Fixed source folder name typo!

GCDWebServer/Core/GCDWebServer.h

@@ -0,0 +1,96 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <TargetConditionals.h>
+
+#import "GCDWebServerRequest.h"
+#import "GCDWebServerResponse.h"
+
+typedef NS_ENUM(int, GCDWebServerLogLevel) {
+  kGCDWebServerLogLevel_Debug = 0,  // Only available if "NDEBUG" is not defined when building
+  kGCDWebServerLogLevel_Verbose,
+  kGCDWebServerLogLevel_Info,
+  kGCDWebServerLogLevel_Warning,
+  kGCDWebServerLogLevel_Error,
+  kGCDWebServerLogLevel_Exception,
+};
+
+typedef GCDWebServerRequest* (^GCDWebServerMatchBlock)(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery);
+typedef GCDWebServerResponse* (^GCDWebServerProcessBlock)(GCDWebServerRequest* request);
+
+@interface GCDWebServer : NSObject
+@property(nonatomic, readonly, getter=isRunning) BOOL running;
+@property(nonatomic, readonly) NSUInteger port;
+@property(nonatomic, readonly) NSString* bonjourName;  // Only non-nil if Bonjour registration is active
+- (instancetype)init;
+- (void)addHandlerWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)processBlock;
+- (void)removeAllHandlers;
+
+- (BOOL)start;  // Default is port 8080 (OS X & iOS Simulator) or 80 (iOS) and computer name
+- (BOOL)startWithPort:(NSUInteger)port bonjourName:(NSString*)name;  // Pass nil name to disable Bonjour or empty string to use computer name
+- (void)stop;
+@end
+
+@interface GCDWebServer (Subclassing)
++ (Class)connectionClass;
++ (NSString*)serverName;  // Default is class name
++ (BOOL)shouldAutomaticallyMapHEADToGET;  // Default is YES which means HEAD requests are mapped to GET requests with the response body being discarded
+@end
+
+@interface GCDWebServer (Extensions)
+@property(nonatomic, readonly) NSURL* serverURL;  // Only non-nil if server is running
+@property(nonatomic, readonly) NSURL* bonjourServerURL;  // Only non-nil if server is running and Bonjour registration is active
+#if !TARGET_OS_IPHONE
+@property(nonatomic, getter=isRecordingEnabled) BOOL recordingEnabled;  // Creates files in the current directory containing the raw data for all requests and responses (directory most NOT contain prior recordings)
+- (BOOL)runWithPort:(NSUInteger)port;  // Starts then automatically stops on SIGINT i.e. Ctrl-C (use on main thread only)
+#endif
+#ifdef __GCDWEBSERVER_ENABLE_TESTING__
+- (NSInteger)runTestsInDirectory:(NSString*)path withPort:(NSUInteger)port;  // Returns number of failed tests or -1 if server failed to start
+#endif
+@end
+
+@interface GCDWebServer (Handlers)
+- (void)addDefaultHandlerForMethod:(NSString*)method requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block;
+- (void)addHandlerForMethod:(NSString*)method path:(NSString*)path requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block;  // Path is case-insensitive
+- (void)addHandlerForMethod:(NSString*)method pathRegex:(NSString*)regex requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block;  // Regular expression is case-insensitive
+@end
+
+@interface GCDWebServer (GETHandlers)
+- (void)addGETHandlerForPath:(NSString*)path staticData:(NSData*)staticData contentType:(NSString*)contentType cacheAge:(NSUInteger)cacheAge;  // Path is case-insensitive
+- (void)addGETHandlerForPath:(NSString*)path filePath:(NSString*)filePath isAttachment:(BOOL)isAttachment cacheAge:(NSUInteger)cacheAge allowRangeRequests:(BOOL)allowRangeRequests;  // Path is case-insensitive
+- (void)addGETHandlerForBasePath:(NSString*)basePath directoryPath:(NSString*)directoryPath indexFilename:(NSString*)indexFilename cacheAge:(NSUInteger)cacheAge allowRangeRequests:(BOOL)allowRangeRequests;  // Base path is recursive and case-sensitive
+@end
+
+@interface GCDWebServer (Logging)
+#ifndef __GCDWEBSERVER_LOGGING_HEADER__
++ (void)setLogLevel:(GCDWebServerLogLevel)level;  // Default level is DEBUG or INFO if "NDEBUG" is defined when building (it can also be set at runtime with the "logLevel" environment variable)
+#endif
+- (void)logVerbose:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logInfo:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logWarning:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+- (void)logError:(NSString*)format, ... NS_FORMAT_FUNCTION(1,2);
+@end

GCDWebServer/Core/GCDWebServer.m

@@ -0,0 +1,772 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <TargetConditionals.h>
+#import <netinet/in.h>
+
+#import "GCDWebServerPrivate.h"
+
+#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
+#define kDefaultPort 80
+#else
+#define kDefaultPort 8080
+#endif
+#define kMaxPendingConnections 16
+
+@interface GCDWebServer () {
+@private
+  NSMutableArray* _handlers;
+  
+  NSUInteger _port;
+  dispatch_source_t _source;
+  CFNetServiceRef _service;
+#if !TARGET_OS_IPHONE
+  BOOL _recording;
+#endif
+}
+@end
+
+@interface GCDWebServerHandler () {
+@private
+  GCDWebServerMatchBlock _matchBlock;
+  GCDWebServerProcessBlock _processBlock;
+}
+@end
+
+#ifndef __GCDWEBSERVER_LOGGING_HEADER__
+#ifdef NDEBUG
+GCDWebServerLogLevel GCDLogLevel = kGCDWebServerLogLevel_Info;
+#else
+GCDWebServerLogLevel GCDLogLevel = kGCDWebServerLogLevel_Debug;
+#endif
+#endif
+
+#if !TARGET_OS_IPHONE
+static BOOL _run;
+#endif
+
+#ifndef __GCDWEBSERVER_LOGGING_HEADER__
+
+void GCDLogMessage(GCDWebServerLogLevel level, NSString* format, ...) {
+  static const char* levelNames[] = {"DEBUG", "VERBOSE", "INFO", "WARNING", "ERROR", "EXCEPTION"};
+  va_list arguments;
+  va_start(arguments, format);
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  va_end(arguments);
+  fprintf(stderr, "[%s] %s\n", levelNames[level], [message UTF8String]);
+  ARC_RELEASE(message);
+}
+
+#endif
+
+#if !TARGET_OS_IPHONE
+
+static void _SignalHandler(int signal) {
+  _run = NO;
+  printf("\n");
+}
+
+#endif
+
+@implementation GCDWebServerHandler
+
+@synthesize matchBlock=_matchBlock, processBlock=_processBlock;
+
+- (id)initWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)processBlock {
+  if ((self = [super init])) {
+    _matchBlock = [matchBlock copy];
+    _processBlock = [processBlock copy];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_matchBlock);
+  ARC_RELEASE(_processBlock);
+  
+  ARC_DEALLOC(super);
+}
+
+@end
+
+@implementation GCDWebServer
+
+@synthesize handlers=_handlers, port=_port;
+
+#ifndef __GCDWEBSERVER_LOGGING_HEADER__
+
++ (void)load {
+  const char* logLevel = getenv("logLevel");
+  if (logLevel) {
+    GCDLogLevel = atoi(logLevel);
+  }
+}
+
+#endif
+
++ (void)initialize {
+  GCDWebServerInitializeFunctions();
+}
+
+- (instancetype)init {
+  if ((self = [super init])) {
+    _handlers = [[NSMutableArray alloc] init];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  if (_source) {
+    [self stop];
+  }
+  
+  ARC_RELEASE(_handlers);
+  
+  ARC_DEALLOC(super);
+}
+
+- (NSString*)bonjourName {
+  CFStringRef name = _service ? CFNetServiceGetName(_service) : NULL;
+  return name && CFStringGetLength(name) ? ARC_BRIDGE_RELEASE(CFStringCreateCopy(kCFAllocatorDefault, name)) : nil;
+}
+
+- (void)addHandlerWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)handlerBlock {
+  DCHECK(_source == NULL);
+  GCDWebServerHandler* handler = [[GCDWebServerHandler alloc] initWithMatchBlock:matchBlock processBlock:handlerBlock];
+  [_handlers insertObject:handler atIndex:0];
+  ARC_RELEASE(handler);
+}
+
+- (void)removeAllHandlers {
+  DCHECK(_source == NULL);
+  [_handlers removeAllObjects];
+}
+
+- (BOOL)start {
+  return [self startWithPort:kDefaultPort bonjourName:@""];
+}
+
+static void _NetServiceClientCallBack(CFNetServiceRef service, CFStreamError* error, void* info) {
+  @autoreleasepool {
+    if (error->error) {
+      LOG_ERROR(@"Bonjour error %i (domain %i)", (int)error->error, (int)error->domain);
+    } else {
+      GCDWebServer* server = (ARC_BRIDGE GCDWebServer*)info;
+      LOG_INFO(@"%@ now reachable at %@", [server class], server.bonjourServerURL);
+    }
+  }
+}
+
+- (BOOL)startWithPort:(NSUInteger)port bonjourName:(NSString*)name {
+  DCHECK(_source == NULL);
+  int listeningSocket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
+  if (listeningSocket > 0) {
+    int yes = 1;
+    setsockopt(listeningSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
+    
+    struct sockaddr_in addr4;
+    bzero(&addr4, sizeof(addr4));
+    addr4.sin_len = sizeof(addr4);
+    addr4.sin_family = AF_INET;
+    addr4.sin_port = htons(port);
+    addr4.sin_addr.s_addr = htonl(INADDR_ANY);
+    if (bind(listeningSocket, (void*)&addr4, sizeof(addr4)) == 0) {
+      if (listen(listeningSocket, kMaxPendingConnections) == 0) {
+        _source = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, listeningSocket, 0, kGCDWebServerGCDQueue);
+        dispatch_source_set_cancel_handler(_source, ^{
+          
+          @autoreleasepool {
+            int result = close(listeningSocket);
+            if (result != 0) {
+              LOG_ERROR(@"Failed closing socket (%i): %s", errno, strerror(errno));
+            } else {
+              LOG_DEBUG(@"Closed listening socket");
+            }
+          }
+          
+        });
+        dispatch_source_set_event_handler(_source, ^{
+          
+          @autoreleasepool {
+            struct sockaddr remoteSockAddr;
+            socklen_t remoteAddrLen = sizeof(remoteSockAddr);
+            int socket = accept(listeningSocket, &remoteSockAddr, &remoteAddrLen);
+            if (socket > 0) {
+              NSData* remoteAddress = [NSData dataWithBytes:&remoteSockAddr length:remoteAddrLen];
+              
+              struct sockaddr localSockAddr;
+              socklen_t localAddrLen = sizeof(localSockAddr);
+              NSData* localAddress = nil;
+              if (getsockname(socket, &localSockAddr, &localAddrLen) == 0) {
+                localAddress = [NSData dataWithBytes:&localSockAddr length:localAddrLen];
+              } else {
+                DNOT_REACHED();
+              }
+              
+              int noSigPipe = 1;
+              setsockopt(socket, SOL_SOCKET, SO_NOSIGPIPE, &noSigPipe, sizeof(noSigPipe));  // Make sure this socket cannot generate SIG_PIPE
+              
+              Class connectionClass = [[self class] connectionClass];
+              GCDWebServerConnection* connection = [[connectionClass alloc] initWithServer:self localAddress:localAddress remoteAddress:remoteAddress socket:socket];  // Connection will automatically retain itself while opened
+#if __has_feature(objc_arc)
+              [connection self];  // Prevent compiler from complaining about unused variable / useless statement
+#else
+              [connection release];
+#endif
+            } else {
+              LOG_ERROR(@"Failed accepting socket (%i): %s", errno, strerror(errno));
+            }
+          }
+          
+        });
+        
+        if (port == 0) {  // Determine the actual port we are listening on
+          struct sockaddr addr;
+          socklen_t addrlen = sizeof(addr);
+          if (getsockname(listeningSocket, &addr, &addrlen) == 0) {
+            struct sockaddr_in* sockaddr = (struct sockaddr_in*)&addr;
+            _port = ntohs(sockaddr->sin_port);
+          } else {
+            LOG_ERROR(@"Failed retrieving socket address (%i): %s", errno, strerror(errno));
+          }
+        } else {
+          _port = port;
+        }
+        
+        if (name) {
+          _service = CFNetServiceCreate(kCFAllocatorDefault, CFSTR("local."), CFSTR("_http._tcp"), (ARC_BRIDGE CFStringRef)name, (SInt32)_port);
+          if (_service) {
+            CFNetServiceClientContext context = {0, (ARC_BRIDGE void*)self, NULL, NULL, NULL};
+            CFNetServiceSetClient(_service, _NetServiceClientCallBack, &context);
+            CFNetServiceScheduleWithRunLoop(_service, CFRunLoopGetMain(), kCFRunLoopCommonModes);
+            CFStreamError error = {0};
+            CFNetServiceRegisterWithOptions(_service, 0, &error);
+          } else {
+            LOG_ERROR(@"Failed creating CFNetService");
+          }
+        }
+        
+        dispatch_resume(_source);
+        LOG_INFO(@"%@ started on port %i and reachable at %@", [self class], (int)_port, self.serverURL);
+      } else {
+        LOG_ERROR(@"Failed listening on socket (%i): %s", errno, strerror(errno));
+        close(listeningSocket);
+      }
+    } else {
+      LOG_ERROR(@"Failed binding socket (%i): %s", errno, strerror(errno));
+      close(listeningSocket);
+    }
+  } else {
+    LOG_ERROR(@"Failed creating socket (%i): %s", errno, strerror(errno));
+  }
+  return (_source ? YES : NO);
+}
+
+- (BOOL)isRunning {
+  return (_source ? YES : NO);
+}
+
+- (void)stop {
+  DCHECK(_source != NULL);
+  if (_source) {
+    if (_service) {
+      CFNetServiceUnscheduleFromRunLoop(_service, CFRunLoopGetMain(), kCFRunLoopCommonModes);
+      CFNetServiceSetClient(_service, NULL, NULL);
+      CFRelease(_service);
+      _service = NULL;
+    }
+    
+    dispatch_source_cancel(_source);  // This will close the socket
+    ARC_DISPATCH_RELEASE(_source);
+    _source = NULL;
+    
+    LOG_INFO(@"%@ stopped", [self class]);
+  }
+  _port = 0;
+}
+
+@end
+
+@implementation GCDWebServer (Subclassing)
+
++ (Class)connectionClass {
+  return [GCDWebServerConnection class];
+}
+
++ (NSString*)serverName {
+  return NSStringFromClass(self);
+}
+
++ (BOOL)shouldAutomaticallyMapHEADToGET {
+  return YES;
+}
+
+@end
+
+@implementation GCDWebServer (Extensions)
+
+#if !TARGET_OS_IPHONE
+
+- (void)setRecordingEnabled:(BOOL)flag {
+  _recording = flag;
+}
+
+- (BOOL)isRecordingEnabled {
+  return _recording;
+}
+
+#endif
+
+- (NSURL*)serverURL {
+  if (_source) {
+    NSString* ipAddress = GCDWebServerGetPrimaryIPv4Address();
+    if (ipAddress) {
+      if (_port != 80) {
+        return [NSURL URLWithString:[NSString stringWithFormat:@"http://%@:%i/", ipAddress, (int)_port]];
+      } else {
+        return [NSURL URLWithString:[NSString stringWithFormat:@"http://%@/", ipAddress]];
+      }
+    }
+  }
+  return nil;
+}
+
+- (NSURL*)bonjourServerURL {
+  if (_source && _service) {
+    CFStringRef name = CFNetServiceGetName(_service);
+    if (name && CFStringGetLength(name)) {
+      if (_port != 80) {
+        return [NSURL URLWithString:[NSString stringWithFormat:@"http://%@.local:%i/", name, (int)_port]];
+      } else {
+        return [NSURL URLWithString:[NSString stringWithFormat:@"http://%@.local/", name]];
+      }
+    }
+  }
+  return nil;
+}
+
+#if !TARGET_OS_IPHONE
+
+- (BOOL)runWithPort:(NSUInteger)port {
+  BOOL success = NO;
+  _run = YES;
+  void (*handler)(int) = signal(SIGINT, _SignalHandler);
+  if (handler != SIG_ERR) {
+    if ([self startWithPort:port bonjourName:@""]) {
+      while (_run) {
+        CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, true);
+      }
+      [self stop];
+      success = YES;
+    }
+    signal(SIGINT, handler);
+  }
+  return success;
+}
+
+#endif
+
+#ifdef __GCDWEBSERVER_ENABLE_TESTING__
+
+static CFHTTPMessageRef _CreateHTTPMessageFromData(NSData* data, BOOL isRequest) {
+  CFHTTPMessageRef message = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, isRequest);
+  if (CFHTTPMessageAppendBytes(message, data.bytes, data.length)) {
+    return message;
+  }
+  CFRelease(message);
+  return NULL;
+}
+
+static CFHTTPMessageRef _CreateHTTPMessageFromPerformingRequest(NSData* inData, NSUInteger port) {
+  CFHTTPMessageRef response = NULL;
+  int httpSocket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
+  if (httpSocket > 0) {
+    struct sockaddr_in addr4;
+    bzero(&addr4, sizeof(addr4));
+    addr4.sin_len = sizeof(port);
+    addr4.sin_family = AF_INET;
+    addr4.sin_port = htons(8080);
+    addr4.sin_addr.s_addr = htonl(INADDR_ANY);
+    if (connect(httpSocket, (void*)&addr4, sizeof(addr4)) == 0) {
+      if (write(httpSocket, inData.bytes, inData.length) == (ssize_t)inData.length) {
+        NSMutableData* outData = [[NSMutableData alloc] initWithLength:(256 * 1024)];
+        NSUInteger length = 0;
+        while (1) {
+          ssize_t result = read(httpSocket, (char*)outData.mutableBytes + length, outData.length - length);
+          if (result < 0) {
+            length = NSNotFound;
+            break;
+          } else if (result == 0) {
+            break;
+          }
+          length += result;
+          if (length >= outData.length) {
+            outData.length = 2 * outData.length;
+          }
+        }
+        if (length != NSNotFound) {
+          outData.length = length;
+          response = _CreateHTTPMessageFromData(outData, NO);
+        } else {
+          DNOT_REACHED();
+        }
+        ARC_RELEASE(outData);
+      }
+    }
+    close(httpSocket);
+  }
+  return response;
+}
+
+static void _LogResult(NSString* format, ...) {
+  va_list arguments;
+  va_start(arguments, format);
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  va_end(arguments);
+  fprintf(stdout, "%s\n", [message UTF8String]);
+  ARC_RELEASE(message);
+}
+
+- (NSInteger)runTestsInDirectory:(NSString*)path withPort:(NSUInteger)port {
+  NSArray* ignoredHeaders = @[@"Date", @"Etag"];  // Dates are always different by definition and ETags depend on file system node IDs
+  NSInteger result = -1;
+  if ([self startWithPort:port bonjourName:nil]) {
+    
+    result = 0;
+    NSArray* files = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:NULL];
+    for (NSString* requestFile in files) {
+      if (![requestFile hasSuffix:@".request"]) {
+        continue;
+      }
+      @autoreleasepool {
+        NSString* index = [[requestFile componentsSeparatedByString:@"-"] firstObject];
+        BOOL success = NO;
+        NSData* requestData = [NSData dataWithContentsOfFile:[path stringByAppendingPathComponent:requestFile]];
+        if (requestData) {
+          CFHTTPMessageRef request = _CreateHTTPMessageFromData(requestData, YES);
+          if (request) {
+            NSString* requestMethod = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestMethod(request));
+            NSURL* requestURL = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestURL(request));
+            _LogResult(@"[%i] %@ %@", (int)[index integerValue], requestMethod, requestURL.path);
+            NSString* prefix = [index stringByAppendingString:@"-"];
+            for (NSString* responseFile in files) {
+              if ([responseFile hasPrefix:prefix] && [responseFile hasSuffix:@".response"]) {
+                NSData* responseData = [NSData dataWithContentsOfFile:[path stringByAppendingPathComponent:responseFile]];
+                if (responseData) {
+                CFHTTPMessageRef expectedResponse = _CreateHTTPMessageFromData(responseData, NO);
+                  if (expectedResponse) {
+                    CFHTTPMessageRef actualResponse = _CreateHTTPMessageFromPerformingRequest(requestData, port);
+                    if (actualResponse) {
+                      success = YES;
+                      
+                      CFIndex expectedStatusCode = CFHTTPMessageGetResponseStatusCode(expectedResponse);
+                      CFIndex actualStatusCode = CFHTTPMessageGetResponseStatusCode(actualResponse);
+                      if (actualStatusCode != expectedStatusCode) {
+                        _LogResult(@"  Status code not matching:\n    Expected: %i\n      Actual: %i", (int)expectedStatusCode, (int)actualStatusCode);
+                        success = NO;
+                      }
+                      
+                      NSDictionary* expectedHeaders = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(expectedResponse));
+                      NSDictionary* actualHeaders = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(actualResponse));
+                      for (NSString* expectedHeader in expectedHeaders) {
+                        if ([ignoredHeaders containsObject:expectedHeader]) {
+                          continue;
+                        }
+                        NSString* expectedValue = [expectedHeaders objectForKey:expectedHeader];
+                        NSString* actualValue = [actualHeaders objectForKey:expectedHeader];
+                        if (![actualValue isEqualToString:expectedValue]) {
+                          _LogResult(@"  Header '%@' not matching:\n    Expected: \"%@\"\n      Actual: \"%@\"", expectedHeader, expectedValue, actualValue);
+                          success = NO;
+                        }
+                      }
+                      for (NSString* actualHeader in actualHeaders) {
+                        if (![expectedHeaders objectForKey:actualHeader]) {
+                          _LogResult(@"  Header '%@' not matching:\n    Expected: \"%@\"\n      Actual: \"%@\"", actualHeader, nil, [actualHeaders objectForKey:actualHeader]);
+                          success = NO;
+                        }
+                      }
+                      
+                      NSData* expectedBody = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyBody(expectedResponse));
+                      NSData* actualBody = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyBody(actualResponse));
+                      if (![actualBody isEqualToData:expectedBody]) {
+                        _LogResult(@"  Bodies not matching:\n    Expected: %lu bytes\n      Actual: %lu bytes", (unsigned long)expectedBody.length, (unsigned long)actualBody.length);
+                        success = NO;
+#ifndef NDEBUG
+                        if (GCDWebServerIsTextContentType([expectedHeaders objectForKey:@"Content-Type"])) {
+                          NSString* expectedPath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[[NSProcessInfo processInfo] globallyUniqueString] stringByAppendingPathExtension:@"txt"]];
+                          NSString* actualPath = [NSTemporaryDirectory() stringByAppendingPathComponent:[[[NSProcessInfo processInfo] globallyUniqueString] stringByAppendingPathExtension:@"txt"]];
+                          if ([expectedBody writeToFile:expectedPath atomically:YES] && [actualBody writeToFile:actualPath atomically:YES]) {
+                            NSTask* task = [[NSTask alloc] init];
+                            [task setLaunchPath:@"/usr/bin/opendiff"];
+                            [task setArguments:@[expectedPath, actualPath]];
+                            [task launch];
+                            ARC_RELEASE(task);
+                          }
+                        }
+#endif
+                      }
+                      
+                      CFRelease(actualResponse);
+                    }
+                    CFRelease(expectedResponse);
+                  }
+                } else {
+                  DNOT_REACHED();
+                }
+                break;
+              }
+            }
+            CFRelease(request);
+          }
+        } else {
+          DNOT_REACHED();
+        }
+        _LogResult(@"");
+        if (!success) {
+          ++result;
+        }
+      }
+    }
+    
+    [self stop];
+  }
+  return result;
+}
+
+#endif
+
+@end
+
+@implementation GCDWebServer (Handlers)
+
+- (void)addDefaultHandlerForMethod:(NSString*)method requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block {
+  [self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
+    
+    if (![requestMethod isEqualToString:method]) {
+      return nil;
+    }
+    return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+    
+  } processBlock:block];
+}
+
+- (void)addHandlerForMethod:(NSString*)method path:(NSString*)path requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block {
+  if ([path hasPrefix:@"/"] && [aClass isSubclassOfClass:[GCDWebServerRequest class]]) {
+    [self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
+      
+      if (![requestMethod isEqualToString:method]) {
+        return nil;
+      }
+      if ([urlPath caseInsensitiveCompare:path] != NSOrderedSame) {
+        return nil;
+      }
+      return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+      
+    } processBlock:block];
+  } else {
+    DNOT_REACHED();
+  }
+}
+
+- (void)addHandlerForMethod:(NSString*)method pathRegex:(NSString*)regex requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block {
+  NSRegularExpression* expression = [NSRegularExpression regularExpressionWithPattern:regex options:NSRegularExpressionCaseInsensitive error:NULL];
+  if (expression && [aClass isSubclassOfClass:[GCDWebServerRequest class]]) {
+    [self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
+      
+      if (![requestMethod isEqualToString:method]) {
+        return nil;
+      }
+      if ([expression firstMatchInString:urlPath options:0 range:NSMakeRange(0, urlPath.length)] == nil) {
+        return nil;
+      }
+      return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+      
+    } processBlock:block];
+  } else {
+    DNOT_REACHED();
+  }
+}
+
+@end
+
+@implementation GCDWebServer (GETHandlers)
+
+- (void)addGETHandlerForPath:(NSString*)path staticData:(NSData*)staticData contentType:(NSString*)contentType cacheAge:(NSUInteger)cacheAge {
+  GCDWebServerResponse* response = [GCDWebServerDataResponse responseWithData:staticData contentType:contentType];
+  response.cacheControlMaxAge = cacheAge;
+  [self addHandlerForMethod:@"GET" path:path requestClass:[GCDWebServerRequest class] processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
+    
+    return response;
+    
+  }];
+}
+
+- (void)addGETHandlerForPath:(NSString*)path filePath:(NSString*)filePath isAttachment:(BOOL)isAttachment cacheAge:(NSUInteger)cacheAge allowRangeRequests:(BOOL)allowRangeRequests {
+  [self addHandlerForMethod:@"GET" path:path requestClass:[GCDWebServerRequest class] processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
+    
+    GCDWebServerResponse* response = nil;
+    if (allowRangeRequests) {
+      response = [GCDWebServerFileResponse responseWithFile:filePath byteRange:request.byteRange isAttachment:isAttachment];
+      [response setValue:@"bytes" forAdditionalHeader:@"Accept-Ranges"];
+    } else {
+      response = [GCDWebServerFileResponse responseWithFile:filePath isAttachment:isAttachment];
+    }
+    response.cacheControlMaxAge = cacheAge;
+    return response;
+    
+  }];
+}
+
+- (GCDWebServerResponse*)_responseWithContentsOfDirectory:(NSString*)path {
+  NSDirectoryEnumerator* enumerator = [[NSFileManager defaultManager] enumeratorAtPath:path];
+  if (enumerator == nil) {
+    return nil;
+  }
+  NSMutableString* html = [NSMutableString string];
+  [html appendString:@"<!DOCTYPE html>\n"];
+  [html appendString:@"<html><head><meta charset=\"utf-8\"></head><body>\n"];
+  [html appendString:@"<ul>\n"];
+  for (NSString* file in enumerator) {
+    if (![file hasPrefix:@"."]) {
+      NSString* type = [[enumerator fileAttributes] objectForKey:NSFileType];
+      NSString* escapedFile = [file stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+      DCHECK(escapedFile);
+      if ([type isEqualToString:NSFileTypeRegular]) {
+        [html appendFormat:@"<li><a href=\"%@\">%@</a></li>\n", escapedFile, file];
+      } else if ([type isEqualToString:NSFileTypeDirectory]) {
+        [html appendFormat:@"<li><a href=\"%@/\">%@/</a></li>\n", escapedFile, file];
+      }
+    }
+    [enumerator skipDescendents];
+  }
+  [html appendString:@"</ul>\n"];
+  [html appendString:@"</body></html>\n"];
+  return [GCDWebServerDataResponse responseWithHTML:html];
+}
+
+- (void)addGETHandlerForBasePath:(NSString*)basePath directoryPath:(NSString*)directoryPath indexFilename:(NSString*)indexFilename cacheAge:(NSUInteger)cacheAge allowRangeRequests:(BOOL)allowRangeRequests {
+  if ([basePath hasPrefix:@"/"] && [basePath hasSuffix:@"/"]) {
+#if __has_feature(objc_arc)
+    GCDWebServer* __unsafe_unretained server = self;
+#else
+    __block GCDWebServer* server = self;
+#endif
+    [self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
+      
+      if (![requestMethod isEqualToString:@"GET"]) {
+        return nil;
+      }
+      if (![urlPath hasPrefix:basePath]) {
+        return nil;
+      }
+      return ARC_AUTORELEASE([[GCDWebServerRequest alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
+      
+    } processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
+      
+      GCDWebServerResponse* response = nil;
+      NSString* filePath = [directoryPath stringByAppendingPathComponent:[request.path substringFromIndex:basePath.length]];
+      BOOL isDirectory;
+      if ([[NSFileManager defaultManager] fileExistsAtPath:filePath isDirectory:&isDirectory]) {
+        if (isDirectory) {
+          if (indexFilename) {
+            NSString* indexPath = [filePath stringByAppendingPathComponent:indexFilename];
+            if ([[NSFileManager defaultManager] fileExistsAtPath:indexPath isDirectory:&isDirectory] && !isDirectory) {
+              return [GCDWebServerFileResponse responseWithFile:indexPath];
+            }
+          }
+          response = [server _responseWithContentsOfDirectory:filePath];
+        } else  {
+          if (allowRangeRequests) {
+            response = [GCDWebServerFileResponse responseWithFile:filePath byteRange:request.byteRange];
+            [response setValue:@"bytes" forAdditionalHeader:@"Accept-Ranges"];
+          } else {
+            response = [GCDWebServerFileResponse responseWithFile:filePath];
+          }
+        }
+      }
+      if (response) {
+        response.cacheControlMaxAge = cacheAge;
+      } else {
+        response = [GCDWebServerResponse responseWithStatusCode:kGCDWebServerHTTPStatusCode_NotFound];
+      }
+      return response;
+      
+    }];
+  } else {
+    DNOT_REACHED();
+  }
+}
+
+@end
+
+@implementation GCDWebServer (Logging)
+
+#ifndef __GCDWEBSERVER_LOGGING_HEADER__
+
++ (void)setLogLevel:(GCDWebServerLogLevel)level {
+  GCDLogLevel = level;
+}
+
+#endif
+
+- (void)logVerbose:(NSString*)format, ... {
+  va_list arguments;
+  va_start(arguments, format);
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  va_end(arguments);
+  LOG_VERBOSE(@"%@", message);
+  ARC_RELEASE(message);
+}
+
+- (void)logInfo:(NSString*)format, ... {
+  va_list arguments;
+  va_start(arguments, format);
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  va_end(arguments);
+  LOG_INFO(@"%@", message);
+  ARC_RELEASE(message);
+}
+
+- (void)logWarning:(NSString*)format, ... {
+  va_list arguments;
+  va_start(arguments, format);
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  va_end(arguments);
+  LOG_WARNING(@"%@", message);
+  ARC_RELEASE(message);
+}
+
+- (void)logError:(NSString*)format, ... {
+  va_list arguments;
+  va_start(arguments, format);
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  va_end(arguments);
+  LOG_ERROR(@"%@", message);
+  ARC_RELEASE(message);
+}
+
+@end

GCDWebServer/Core/GCDWebServerConnection.h

@@ -0,0 +1,50 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServer.h"
+
+@class GCDWebServerHandler;
+
+@interface GCDWebServerConnection : NSObject
+@property(nonatomic, readonly) GCDWebServer* server;
+@property(nonatomic, readonly) NSData* localAddressData;  // struct sockaddr
+@property(nonatomic, readonly) NSString* localAddressString;
+@property(nonatomic, readonly) NSData* remoteAddressData;  // struct sockaddr
+@property(nonatomic, readonly) NSString* remoteAddressString;
+@property(nonatomic, readonly) NSUInteger totalBytesRead;
+@property(nonatomic, readonly) NSUInteger totalBytesWritten;
+@end
+
+@interface GCDWebServerConnection (Subclassing)
+- (void)open;
+- (void)didUpdateBytesRead;  // Called from arbitrary thread after @totalBytesRead is updated - Default implementation does nothing
+- (void)didUpdateBytesWritten;  // Called from arbitrary thread after @totalBytesWritten is updated - Default implementation does nothing
+- (GCDWebServerResponse*)processRequest:(GCDWebServerRequest*)request withBlock:(GCDWebServerProcessBlock)block;  // Only called if the request can be processed
+- (GCDWebServerResponse*)replaceResponse:(GCDWebServerResponse*)response forRequest:(GCDWebServerRequest*)request;  // Default implementation replaces any response matching the "ETag" or "Last-Modified-Date" header of the request by a barebone "Not-Modified" (304) one
+- (void)abortRequest:(GCDWebServerRequest*)request withStatusCode:(NSInteger)statusCode;  // If request headers was malformed, "request" will be nil
+- (void)close;
+@end

GCDWebServer/Core/GCDWebServerConnection.m

@@ -0,0 +1,836 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <TargetConditionals.h>
+#import <netdb.h>
+#if !TARGET_OS_IPHONE
+#import <libkern/OSAtomic.h>
+#endif
+
+#import "GCDWebServerPrivate.h"
+
+#define kHeadersReadBuffer 1024
+
+typedef void (^ReadBufferCompletionBlock)(dispatch_data_t buffer);
+typedef void (^ReadDataCompletionBlock)(NSData* data);
+typedef void (^ReadHeadersCompletionBlock)(NSData* extraData);
+typedef void (^ReadBodyCompletionBlock)(BOOL success);
+
+typedef void (^WriteBufferCompletionBlock)(BOOL success);
+typedef void (^WriteDataCompletionBlock)(BOOL success);
+typedef void (^WriteHeadersCompletionBlock)(BOOL success);
+typedef void (^WriteBodyCompletionBlock)(BOOL success);
+
+static NSData* _CRLFData = nil;
+static NSData* _CRLFCRLFData = nil;
+static NSData* _continueData = nil;
+static NSData* _lastChunkData = nil;
+#if !TARGET_OS_IPHONE
+static int32_t _connectionCounter = 0;
+#endif
+
+@interface GCDWebServerConnection () {
+@private
+  GCDWebServer* _server;
+  NSData* _localAddress;
+  NSData* _remoteAddress;
+  CFSocketNativeHandle _socket;
+  NSUInteger _bytesRead;
+  NSUInteger _bytesWritten;
+  BOOL _virtualHEAD;
+  
+  CFHTTPMessageRef _requestMessage;
+  GCDWebServerRequest* _request;
+  GCDWebServerHandler* _handler;
+  CFHTTPMessageRef _responseMessage;
+  GCDWebServerResponse* _response;
+  NSInteger _statusCode;
+  
+#if !TARGET_OS_IPHONE
+  NSUInteger _connectionIndex;
+  NSString* _requestPath;
+  int _requestFD;
+  NSString* _responsePath;
+  int _responseFD;
+#endif
+}
+@end
+
+@implementation GCDWebServerConnection (Read)
+
+- (void)_readBufferWithLength:(NSUInteger)length completionBlock:(ReadBufferCompletionBlock)block {
+  dispatch_read(_socket, length, kGCDWebServerGCDQueue, ^(dispatch_data_t buffer, int error) {
+    
+    @autoreleasepool {
+      if (error == 0) {
+        size_t size = dispatch_data_get_size(buffer);
+        if (size > 0) {
+          LOG_DEBUG(@"Connection received %zu bytes on socket %i", size, _socket);
+          _bytesRead += size;
+          [self didUpdateBytesRead];
+#if !TARGET_OS_IPHONE
+          if (_requestFD > 0) {
+            bool success = dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t chunkOffset, const void* chunkBytes, size_t chunkSize) {
+              return (write(_requestFD, chunkBytes, chunkSize) == (ssize_t)chunkSize);
+            });
+            if (!success) {
+              LOG_ERROR(@"Failed recording request data: %s (%i)", strerror(errno), errno);
+              close(_requestFD);
+              _requestFD = 0;
+            }
+          }
+#endif
+          block(buffer);
+        } else {
+          if (_bytesRead > 0) {
+            LOG_ERROR(@"No more data available on socket %i", _socket);
+          } else {
+            LOG_WARNING(@"No data received from socket %i", _socket);
+          }
+          block(NULL);
+        }
+      } else {
+        LOG_ERROR(@"Error while reading from socket %i: %s (%i)", _socket, strerror(error), error);
+        block(NULL);
+      }
+    }
+    
+  });
+}
+
+- (void)_readDataWithCompletionBlock:(ReadDataCompletionBlock)block {
+  [self _readBufferWithLength:SIZE_T_MAX completionBlock:^(dispatch_data_t buffer) {
+    
+    if (buffer) {
+      NSMutableData* data = [[NSMutableData alloc] initWithCapacity:dispatch_data_get_size(buffer)];
+      dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t chunkOffset, const void* chunkBytes, size_t chunkSize) {
+        [data appendBytes:chunkBytes length:chunkSize];
+        return true;
+      });
+      block(data);
+      ARC_RELEASE(data);
+    } else {
+      block(nil);
+    }
+    
+  }];
+}
+
+- (void)_readHeadersWithCompletionBlock:(ReadHeadersCompletionBlock)block {
+  DCHECK(_requestMessage);
+  [self _readBufferWithLength:SIZE_T_MAX completionBlock:^(dispatch_data_t buffer) {
+    
+    if (buffer) {
+      NSMutableData* data = [NSMutableData dataWithCapacity:kHeadersReadBuffer];
+      dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t chunkOffset, const void* chunkBytes, size_t chunkSize) {
+        [data appendBytes:chunkBytes length:chunkSize];
+        return true;
+      });
+      NSRange range = [data rangeOfData:_CRLFCRLFData options:0 range:NSMakeRange(0, data.length)];
+      if (range.location == NSNotFound) {
+        if (CFHTTPMessageAppendBytes(_requestMessage, data.bytes, data.length)) {
+          [self _readHeadersWithCompletionBlock:block];
+        } else {
+          LOG_ERROR(@"Failed appending request headers data from socket %i", _socket);
+          block(nil);
+        }
+      } else {
+        NSUInteger length = range.location + range.length;
+        if (CFHTTPMessageAppendBytes(_requestMessage, data.bytes, length)) {
+          if (CFHTTPMessageIsHeaderComplete(_requestMessage)) {
+            block([data subdataWithRange:NSMakeRange(length, data.length - length)]);
+          } else {
+            LOG_ERROR(@"Failed parsing request headers from socket %i", _socket);
+            block(nil);
+          }
+        } else {
+          LOG_ERROR(@"Failed appending request headers data from socket %i", _socket);
+          block(nil);
+        }
+      }
+    } else {
+      block(nil);
+    }
+    
+  }];
+}
+
+- (void)_readBodyWithRemainingLength:(NSUInteger)length completionBlock:(ReadBodyCompletionBlock)block {
+  DCHECK([_request hasBody] && ![_request usesChunkedTransferEncoding]);
+  [self _readBufferWithLength:length completionBlock:^(dispatch_data_t buffer) {
+    
+    if (buffer) {
+      if (dispatch_data_get_size(buffer) <= length) {
+        bool success = dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t chunkOffset, const void* chunkBytes, size_t chunkSize) {
+          NSData* data = [NSData dataWithBytesNoCopy:(void*)chunkBytes length:chunkSize freeWhenDone:NO];
+          NSError* error = nil;
+          if (![_request performWriteData:data error:&error]) {
+            LOG_ERROR(@"Failed writing request body on socket %i: %@", _socket, error);
+            return false;
+          }
+          return true;
+        });
+        if (success) {
+          NSUInteger remainingLength = length - dispatch_data_get_size(buffer);
+          if (remainingLength) {
+            [self _readBodyWithRemainingLength:remainingLength completionBlock:block];
+          } else {
+            block(YES);
+          }
+        } else {
+          block(NO);
+        }
+      } else {
+        LOG_ERROR(@"Unexpected extra content reading request body on socket %i", _socket);
+        block(NO);
+        DNOT_REACHED();
+      }
+    } else {
+      block(NO);
+    }
+    
+  }];
+}
+
+static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
+  char buffer[size + 1];
+  bcopy(bytes, buffer, size);
+  buffer[size] = 0;
+  char* end = NULL;
+  long result = strtol(buffer, &end, 16);
+  return ((end != NULL) && (*end == 0) && (result >= 0) ? result : NSNotFound);
+}
+
+- (void)_readNextBodyChunk:(NSMutableData*)chunkData completionBlock:(ReadBodyCompletionBlock)block {
+  DCHECK([_request hasBody] && [_request usesChunkedTransferEncoding]);
+  
+  while (1) {
+    NSRange range = [chunkData rangeOfData:_CRLFData options:0 range:NSMakeRange(0, chunkData.length)];
+    if (range.location == NSNotFound) {
+      break;
+    }
+    NSRange extensionRange = [chunkData rangeOfData:[NSData dataWithBytes:";" length:1] options:0 range:NSMakeRange(0, range.location)];  // Ignore chunk extensions
+    NSUInteger length = _ScanHexNumber((char*)chunkData.bytes, extensionRange.location != NSNotFound ? extensionRange.location : range.location);
+    if (length != NSNotFound) {
+      if (length) {
+        if (chunkData.length < range.location + range.length + length + 2) {
+          break;
+        }
+        const char* ptr = (char*)chunkData.bytes + range.location + range.length + length;
+        if ((*ptr == '\r') && (*(ptr + 1) == '\n')) {
+          NSError* error = nil;
+          if ([_request performWriteData:[chunkData subdataWithRange:NSMakeRange(range.location + range.length, length)] error:&error]) {
+            [chunkData replaceBytesInRange:NSMakeRange(0, range.location + range.length + length + 2) withBytes:NULL length:0];
+          } else {
+            LOG_ERROR(@"Failed writing request body on socket %i: %@", _socket, error);
+            block(NO);
+            return;
+          }
+        } else {
+          LOG_ERROR(@"Missing terminating CRLF sequence for chunk reading request body on socket %i", _socket);
+          block(NO);
+          return;
+        }
+      } else {
+        NSRange trailerRange = [chunkData rangeOfData:_CRLFCRLFData options:0 range:NSMakeRange(range.location, chunkData.length - range.location)];  // Ignore trailers
+        if (trailerRange.location != NSNotFound) {
+          block(YES);
+          return;
+        }
+      }
+    } else {
+      LOG_ERROR(@"Invalid chunk length reading request body on socket %i", _socket);
+      block(NO);
+      return;
+    }
+  }
+  
+  [self _readBufferWithLength:SIZE_T_MAX completionBlock:^(dispatch_data_t buffer) {
+    
+    if (buffer) {
+      dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t chunkOffset, const void* chunkBytes, size_t chunkSize) {
+        [chunkData appendBytes:chunkBytes length:chunkSize];
+        return true;
+      });
+      [self _readNextBodyChunk:chunkData completionBlock:block];
+    } else {
+      block(NO);
+    }
+    
+  }];
+}
+
+@end
+
+@implementation GCDWebServerConnection (Write)
+
+- (void)_writeBuffer:(dispatch_data_t)buffer withCompletionBlock:(WriteBufferCompletionBlock)block {
+  size_t size = dispatch_data_get_size(buffer);
+#if !TARGET_OS_IPHONE
+  ARC_DISPATCH_RETAIN(buffer);
+#endif
+  dispatch_write(_socket, buffer, kGCDWebServerGCDQueue, ^(dispatch_data_t data, int error) {
+    
+    @autoreleasepool {
+      if (error == 0) {
+        DCHECK(data == NULL);
+        LOG_DEBUG(@"Connection sent %zu bytes on socket %i", size, _socket);
+        _bytesWritten += size;
+        [self didUpdateBytesWritten];
+#if !TARGET_OS_IPHONE
+        if (_responseFD > 0) {
+          bool success = dispatch_data_apply(buffer, ^bool(dispatch_data_t region, size_t chunkOffset, const void* chunkBytes, size_t chunkSize) {
+            return (write(_responseFD, chunkBytes, chunkSize) == (ssize_t)chunkSize);
+          });
+          if (!success) {
+            LOG_ERROR(@"Failed recording response data: %s (%i)", strerror(errno), errno);
+            close(_responseFD);
+            _responseFD = 0;
+          }
+        }
+#endif
+        block(YES);
+      } else {
+        LOG_ERROR(@"Error while writing to socket %i: %s (%i)", _socket, strerror(error), error);
+        block(NO);
+      }
+    }
+#if !TARGET_OS_IPHONE
+    ARC_DISPATCH_RELEASE(buffer);
+#endif
+    
+  });
+}
+
+- (void)_writeData:(NSData*)data withCompletionBlock:(WriteDataCompletionBlock)block {
+#if !__has_feature(objc_arc)
+  [data retain];
+#endif
+  dispatch_data_t buffer = dispatch_data_create(data.bytes, data.length, kGCDWebServerGCDQueue, ^{
+#if __has_feature(objc_arc)
+    [data self];  // Keeps ARC from releasing data too early
+#else
+    [data release];
+#endif
+  });
+  [self _writeBuffer:buffer withCompletionBlock:block];
+  ARC_DISPATCH_RELEASE(buffer);
+}
+
+- (void)_writeHeadersWithCompletionBlock:(WriteHeadersCompletionBlock)block {
+  DCHECK(_responseMessage);
+  CFDataRef message = CFHTTPMessageCopySerializedMessage(_responseMessage);
+  [self _writeData:(ARC_BRIDGE NSData*)message withCompletionBlock:block];
+  CFRelease(message);
+}
+
+- (void)_writeBodyWithCompletionBlock:(WriteBodyCompletionBlock)block {
+  DCHECK([_response hasBody]);
+  NSError* error = nil;
+  NSData* data = [_response performReadData:&error];
+  if (data) {
+    if (data.length) {
+      if (_response.usesChunkedTransferEncoding) {
+        const char* hexString = [[NSString stringWithFormat:@"%lx", (unsigned long)data.length] UTF8String];
+        size_t hexLength = strlen(hexString);
+        NSData* chunk = [NSMutableData dataWithLength:(hexLength + 2 + data.length + 2)];
+        if (chunk == nil) {
+          LOG_ERROR(@"Failed allocating memory for response body chunk for socket %i: %@", _socket, error);
+          block(NO);
+          return;
+        }
+        char* ptr = (char*)[(NSMutableData*)chunk mutableBytes];
+        bcopy(hexString, ptr, hexLength);
+        ptr += hexLength;
+        *ptr++ = '\r';
+        *ptr++ = '\n';
+        bcopy(data.bytes, ptr, data.length);
+        ptr += data.length;
+        *ptr++ = '\r';
+        *ptr = '\n';
+        data = chunk;
+      }
+      [self _writeData:data withCompletionBlock:^(BOOL success) {
+        
+        if (success) {
+          [self _writeBodyWithCompletionBlock:block];
+        } else {
+          block(NO);
+        }
+        
+      }];
+    } else {
+      if (_response.usesChunkedTransferEncoding) {
+        [self _writeData:_lastChunkData withCompletionBlock:^(BOOL success) {
+          
+          block(success);
+          
+        }];
+      } else {
+        block(YES);
+      }
+    }
+  } else {
+    LOG_ERROR(@"Failed reading response body for socket %i: %@", _socket, error);
+    block(NO);
+  }
+}
+
+@end
+
+@implementation GCDWebServerConnection
+
+@synthesize server=_server, localAddressData=_localAddress, remoteAddressData=_remoteAddress, totalBytesRead=_bytesRead, totalBytesWritten=_bytesWritten;
+
++ (void)initialize {
+  if (_CRLFData == nil) {
+    _CRLFData = [[NSData alloc] initWithBytes:"\r\n" length:2];
+    DCHECK(_CRLFData);
+  }
+  if (_CRLFCRLFData == nil) {
+    _CRLFCRLFData = [[NSData alloc] initWithBytes:"\r\n\r\n" length:4];
+    DCHECK(_CRLFCRLFData);
+  }
+  if (_continueData == nil) {
+    CFHTTPMessageRef message = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 100, NULL, kCFHTTPVersion1_1);
+#if __has_feature(objc_arc)
+    _continueData = CFBridgingRelease(CFHTTPMessageCopySerializedMessage(message));
+#else
+    _continueData = (NSData*)CFHTTPMessageCopySerializedMessage(message);
+#endif
+    CFRelease(message);
+    DCHECK(_continueData);
+  }
+  if (_lastChunkData == nil) {
+    _lastChunkData = [[NSData alloc] initWithBytes:"0\r\n\r\n" length:5];
+  }
+}
+
+- (void)_initializeResponseHeadersWithStatusCode:(NSInteger)statusCode {
+  _statusCode = statusCode;
+  _responseMessage = CFHTTPMessageCreateResponse(kCFAllocatorDefault, statusCode, NULL, kCFHTTPVersion1_1);
+  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Connection"), CFSTR("Close"));
+  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Server"), (ARC_BRIDGE CFStringRef)[[_server class] serverName]);
+  CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Date"), (ARC_BRIDGE CFStringRef)GCDWebServerFormatRFC822([NSDate date]));
+}
+
+// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+- (void)_processRequest {
+  DCHECK(_responseMessage == NULL);
+  BOOL hasBody = NO;
+  
+  GCDWebServerResponse* response = [self processRequest:_request withBlock:_handler.processBlock];
+  if (response) {
+    response = [self replaceResponse:response forRequest:_request];
+    if (response) {
+      if ([response hasBody]) {
+        [response prepareForReading];
+        hasBody = !_virtualHEAD;
+      }
+      NSError* error = nil;
+      if (hasBody && ![response performOpen:&error]) {
+        LOG_ERROR(@"Failed opening response body for socket %i: %@", _socket, error);
+      } else {
+        _response = ARC_RETAIN(response);
+      }
+    }
+  }
+  
+  if (_response) {
+    [self _initializeResponseHeadersWithStatusCode:_response.statusCode];
+    if (_response.lastModifiedDate) {
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Last-Modified"), (ARC_BRIDGE CFStringRef)GCDWebServerFormatRFC822(_response.lastModifiedDate));
+    }
+    if (_response.eTag) {
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("ETag"), (ARC_BRIDGE CFStringRef)_response.eTag);
+    }
+    if ((_response.statusCode >= 200) && (_response.statusCode < 300)) {
+      if (_response.cacheControlMaxAge > 0) {
+        CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), (ARC_BRIDGE CFStringRef)[NSString stringWithFormat:@"max-age=%i, public", (int)_response.cacheControlMaxAge]);
+      } else {
+        CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Cache-Control"), CFSTR("no-cache"));
+      }
+    }
+    if (_response.contentType != nil) {
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Type"), (ARC_BRIDGE CFStringRef)GCDWebServerNormalizeHeaderValue(_response.contentType));
+    }
+    if (_response.contentLength != NSNotFound) {
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Content-Length"), (ARC_BRIDGE CFStringRef)[NSString stringWithFormat:@"%lu", (unsigned long)_response.contentLength]);
+    }
+    if (_response.usesChunkedTransferEncoding) {
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, CFSTR("Transfer-Encoding"), CFSTR("chunked"));
+    }
+    [_response.additionalHeaders enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL* stop) {
+      CFHTTPMessageSetHeaderFieldValue(_responseMessage, (ARC_BRIDGE CFStringRef)key, (ARC_BRIDGE CFStringRef)obj);
+    }];
+    [self _writeHeadersWithCompletionBlock:^(BOOL success) {
+      
+      if (success) {
+        if (hasBody) {
+          [self _writeBodyWithCompletionBlock:^(BOOL successInner) {
+            
+            [_response performClose];  // TODO: There's nothing we can do on failure as headers have already been sent
+            
+          }];
+        }
+      } else if (hasBody) {
+        [_response performClose];
+      }
+      
+    }];
+  } else {
+    [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+  }
+  
+}
+
+- (void)_readBodyWithLength:(NSUInteger)length initialData:(NSData*)initialData {
+  NSError* error = nil;
+  if (![_request performOpen:&error]) {
+    LOG_ERROR(@"Failed opening request body for socket %i: %@", _socket, error);
+    [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+    return;
+  }
+  
+  if (initialData.length) {
+    if (![_request performWriteData:initialData error:&error]) {
+      LOG_ERROR(@"Failed writing request body on socket %i: %@", _socket, error);
+      if (![_request performClose:&error]) {
+        LOG_ERROR(@"Failed closing request body for socket %i: %@", _socket, error);
+      }
+      [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+      return;
+    }
+    length -= initialData.length;
+  }
+  
+  if (length) {
+    [self _readBodyWithRemainingLength:length completionBlock:^(BOOL success) {
+      
+      NSError* localError = nil;
+      if ([_request performClose:&localError]) {
+        [self _processRequest];
+      } else {
+        LOG_ERROR(@"Failed closing request body for socket %i: %@", _socket, error);
+        [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+      }
+      
+    }];
+  } else {
+    if ([_request performClose:&error]) {
+      [self _processRequest];
+    } else {
+      LOG_ERROR(@"Failed closing request body for socket %i: %@", _socket, error);
+      [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+    }
+  }
+}
+
+- (void)_readChunkedBodyWithInitialData:(NSData*)initialData {
+  NSError* error = nil;
+  if (![_request performOpen:&error]) {
+    LOG_ERROR(@"Failed opening request body for socket %i: %@", _socket, error);
+    [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+    return;
+  }
+  
+  NSMutableData* chunkData = [[NSMutableData alloc] initWithData:initialData];
+  [self _readNextBodyChunk:chunkData completionBlock:^(BOOL success) {
+  
+    NSError* localError = nil;
+    if ([_request performClose:&localError]) {
+      [self _processRequest];
+    } else {
+      LOG_ERROR(@"Failed closing request body for socket %i: %@", _socket, error);
+      [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+    }
+    
+  }];
+  ARC_RELEASE(chunkData);
+}
+
+- (void)_readRequestHeaders {
+  _requestMessage = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, true);
+  [self _readHeadersWithCompletionBlock:^(NSData* extraData) {
+    
+    if (extraData) {
+      NSString* requestMethod = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestMethod(_requestMessage));  // Method verbs are case-sensitive and uppercase
+      if ([[_server class] shouldAutomaticallyMapHEADToGET] && [requestMethod isEqualToString:@"HEAD"]) {
+        requestMethod = @"GET";
+        _virtualHEAD = YES;
+      }
+      NSURL* requestURL = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestURL(_requestMessage));
+      NSString* requestPath = requestURL ? GCDWebServerUnescapeURLString(ARC_BRIDGE_RELEASE(CFURLCopyPath((CFURLRef)requestURL))) : nil;  // Don't use -[NSURL path] which strips the ending slash
+      NSString* queryString = requestURL ? ARC_BRIDGE_RELEASE(CFURLCopyQueryString((CFURLRef)requestURL, NULL)) : nil;  // Don't use -[NSURL query] to make sure query is not unescaped;
+      NSDictionary* requestQuery = queryString ? GCDWebServerParseURLEncodedForm(queryString) : @{};
+      NSDictionary* requestHeaders = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(_requestMessage));  // Header names are case-insensitive but CFHTTPMessageCopyAllHeaderFields() will standardize the common ones
+      if (requestMethod && requestURL && requestHeaders && requestPath && requestQuery) {
+        for (_handler in _server.handlers) {
+          _request = ARC_RETAIN(_handler.matchBlock(requestMethod, requestURL, requestHeaders, requestPath, requestQuery));
+          if (_request) {
+            break;
+          }
+        }
+        if (_request) {
+          if ([_request hasBody]) {
+            [_request prepareForWriting];
+            if (_request.usesChunkedTransferEncoding || (extraData.length <= _request.contentLength)) {
+              NSString* expectHeader = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyHeaderFieldValue(_requestMessage, CFSTR("Expect")));
+              if (expectHeader) {
+                if ([expectHeader caseInsensitiveCompare:@"100-continue"] == NSOrderedSame) {
+                  [self _writeData:_continueData withCompletionBlock:^(BOOL success) {
+                    
+                    if (success) {
+                      if (_request.usesChunkedTransferEncoding) {
+                        [self _readChunkedBodyWithInitialData:extraData];
+                      } else {
+                        [self _readBodyWithLength:_request.contentLength initialData:extraData];
+                      }
+                    }
+                    
+                  }];
+                } else {
+                  LOG_ERROR(@"Unsupported 'Expect' / 'Content-Length' header combination on socket %i", _socket);
+                  [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_ExpectationFailed];
+                }
+              } else {
+                if (_request.usesChunkedTransferEncoding) {
+                  [self _readChunkedBodyWithInitialData:extraData];
+                } else {
+                  [self _readBodyWithLength:_request.contentLength initialData:extraData];
+                }
+              }
+            } else {
+              LOG_ERROR(@"Unexpected 'Content-Length' header value on socket %i", _socket);
+              [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_BadRequest];
+            }
+          } else {
+            [self _processRequest];
+          }
+        } else {
+          _request = [[GCDWebServerRequest alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:requestPath query:requestQuery];
+          DCHECK(_request);
+          [self abortRequest:_request withStatusCode:kGCDWebServerHTTPStatusCode_MethodNotAllowed];
+        }
+      } else {
+        [self abortRequest:nil withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+        DNOT_REACHED();
+      }
+    } else {
+      [self abortRequest:nil withStatusCode:kGCDWebServerHTTPStatusCode_InternalServerError];
+    }
+    
+  }];
+}
+
+- (id)initWithServer:(GCDWebServer*)server localAddress:(NSData*)localAddress remoteAddress:(NSData*)remoteAddress socket:(CFSocketNativeHandle)socket {
+  if ((self = [super init])) {
+    _server = ARC_RETAIN(server);
+    _localAddress = ARC_RETAIN(localAddress);
+    _remoteAddress = ARC_RETAIN(remoteAddress);
+    _socket = socket;
+    
+    [self open];
+  }
+  return self;
+}
+
+static NSString* _StringFromAddressData(NSData* data) {
+  NSString* string = nil;
+  const struct sockaddr* addr = data.bytes;
+  char hostBuffer[NI_MAXHOST];
+  char serviceBuffer[NI_MAXSERV];
+  if (getnameinfo(addr, addr->sa_len, hostBuffer, sizeof(hostBuffer), serviceBuffer, sizeof(serviceBuffer), NI_NUMERICHOST | NI_NUMERICSERV | NI_NOFQDN) >= 0) {
+    string = [NSString stringWithFormat:@"%s:%s", hostBuffer, serviceBuffer];
+  } else {
+    DNOT_REACHED();
+  }
+  return string;
+}
+
+- (NSString*)localAddressString {
+  return _StringFromAddressData(_localAddress);
+}
+
+- (NSString*)remoteAddressString {
+  return _StringFromAddressData(_remoteAddress);
+}
+
+- (void)dealloc {
+  [self close];
+  
+  ARC_RELEASE(_server);
+  ARC_RELEASE(_localAddress);
+  ARC_RELEASE(_remoteAddress);
+  
+  if (_requestMessage) {
+    CFRelease(_requestMessage);
+  }
+  ARC_RELEASE(_request);
+  
+  if (_responseMessage) {
+    CFRelease(_responseMessage);
+  }
+  ARC_RELEASE(_response);
+  
+#if !TARGET_OS_IPHONE
+  ARC_RELEASE(_requestPath);
+  ARC_RELEASE(_responsePath);
+#endif
+  
+  ARC_DEALLOC(super);
+}
+
+@end
+
+@implementation GCDWebServerConnection (Subclassing)
+
+- (void)open {
+  LOG_DEBUG(@"Did open connection on socket %i", _socket);
+  
+#if !TARGET_OS_IPHONE
+  if (_server.recordingEnabled) {
+    _connectionIndex = OSAtomicIncrement32(&_connectionCounter);
+    
+    _requestPath = ARC_RETAIN([NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]]);
+    _requestFD = open([_requestPath fileSystemRepresentation], O_CREAT | O_TRUNC | O_WRONLY);
+    DCHECK(_requestFD > 0);
+    
+    _responsePath = ARC_RETAIN([NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]]);
+    _responseFD = open([_responsePath fileSystemRepresentation], O_CREAT | O_TRUNC | O_WRONLY);
+    DCHECK(_responseFD > 0);
+  }
+#endif
+  
+  [self _readRequestHeaders];
+}
+
+- (void)didUpdateBytesRead {
+  ;
+}
+
+- (void)didUpdateBytesWritten {
+  ;
+}
+
+- (GCDWebServerResponse*)processRequest:(GCDWebServerRequest*)request withBlock:(GCDWebServerProcessBlock)block {
+  LOG_DEBUG(@"Connection on socket %i processing request \"%@ %@\" with %lu bytes body", _socket, _virtualHEAD ? @"HEAD" : _request.method, _request.path, (unsigned long)_bytesRead);
+  GCDWebServerResponse* response = nil;
+  @try {
+    response = block(request);
+  }
+  @catch (NSException* exception) {
+    LOG_EXCEPTION(exception);
+  }
+  return response;
+}
+
+// http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.26
+static inline BOOL _CompareResources(NSString* responseETag, NSString* requestETag, NSDate* responseLastModified, NSDate* requestLastModified) {
+  if ([requestETag isEqualToString:@"*"] && (!responseLastModified || !requestLastModified || ([responseLastModified compare:requestLastModified] != NSOrderedDescending))) {
+    return YES;
+  } else {
+    if ([responseETag isEqualToString:requestETag]) {
+      return YES;
+    }
+    if (responseLastModified && requestLastModified && ([responseLastModified compare:requestLastModified] != NSOrderedDescending)) {
+      return YES;
+    }
+  }
+  return NO;
+}
+
+- (GCDWebServerResponse*)replaceResponse:(GCDWebServerResponse*)response forRequest:(GCDWebServerRequest*)request {
+  if ((response.statusCode >= 200) && (response.statusCode < 300) && _CompareResources(response.eTag, request.ifNoneMatch, response.lastModifiedDate, request.ifModifiedSince)) {
+    NSInteger code = [request.method isEqualToString:@"HEAD"] || [request.method isEqualToString:@"GET"] ? kGCDWebServerHTTPStatusCode_NotModified : kGCDWebServerHTTPStatusCode_PreconditionFailed;
+    GCDWebServerResponse* newResponse = [GCDWebServerResponse responseWithStatusCode:code];
+    newResponse.cacheControlMaxAge = response.cacheControlMaxAge;
+    newResponse.lastModifiedDate = response.lastModifiedDate;
+    newResponse.eTag = response.eTag;
+    DCHECK(newResponse);
+    return newResponse;
+  }
+  return response;
+}
+
+- (void)abortRequest:(GCDWebServerRequest*)request withStatusCode:(NSInteger)statusCode {
+  DCHECK(_responseMessage == NULL);
+  DCHECK((statusCode >= 400) && (statusCode < 600));
+  [self _initializeResponseHeadersWithStatusCode:statusCode];
+  [self _writeHeadersWithCompletionBlock:^(BOOL success) {
+    ;  // Nothing more to do
+  }];
+  LOG_DEBUG(@"Connection aborted with status code %i on socket %i", (int)statusCode, _socket);
+}
+
+- (void)close {
+  int result = close(_socket);
+  if (result != 0) {
+    LOG_ERROR(@"Failed closing socket %i for connection (%i): %s", _socket, errno, strerror(errno));
+  } else {
+    LOG_DEBUG(@"Did close connection on socket %i", _socket);
+  }
+  
+#if !TARGET_OS_IPHONE
+  if (_requestPath) {
+    BOOL success = NO;
+    NSError* error = nil;
+    if (_requestFD > 0) {
+      close(_requestFD);
+      NSString* name = [NSString stringWithFormat:@"%03lu-%@.request", (unsigned long)_connectionIndex, _virtualHEAD ? @"HEAD" : _request.method];
+      success = [[NSFileManager defaultManager] moveItemAtPath:_requestPath toPath:[[[NSFileManager defaultManager] currentDirectoryPath] stringByAppendingPathComponent:name] error:&error];
+    }
+    if (!success) {
+      LOG_ERROR(@"Failed saving recorded request: %@", error);
+      DNOT_REACHED();
+    }
+    unlink([_requestPath fileSystemRepresentation]);
+  }
+  
+  if (_responsePath) {
+    BOOL success = NO;
+    NSError* error = nil;
+    if (_responseFD > 0) {
+      close(_responseFD);
+      NSString* name = [NSString stringWithFormat:@"%03lu-%i.response", (unsigned long)_connectionIndex, (int)_statusCode];
+      success = [[NSFileManager defaultManager] moveItemAtPath:_responsePath toPath:[[[NSFileManager defaultManager] currentDirectoryPath] stringByAppendingPathComponent:name] error:&error];
+    }
+    if (!success) {
+      LOG_ERROR(@"Failed saving recorded response: %@", error);
+      DNOT_REACHED();
+    }
+    unlink([_responsePath fileSystemRepresentation]);
+  }
+#endif
+  if (_request) {
+    LOG_VERBOSE(@"[%@] %@ %i \"%@ %@\" (%lu | %lu)", self.localAddressString, self.remoteAddressString, (int)_statusCode, _virtualHEAD ? @"HEAD" : _request.method, _request.path, (unsigned long)_bytesRead, (unsigned long)_bytesWritten);
+  } else {
+    LOG_VERBOSE(@"[%@] %@ %i \"(invalid request)\" (%lu | %lu)", self.localAddressString, self.remoteAddressString, (int)_statusCode, (unsigned long)_bytesRead, (unsigned long)_bytesWritten);
+  }
+}
+
+@end

GCDWebServer/Core/GCDWebServerFunctions.h

@@ -0,0 +1,46 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <Foundation/Foundation.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension);
+NSString* GCDWebServerEscapeURLString(NSString* string);
+NSString* GCDWebServerUnescapeURLString(NSString* string);
+NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form);
+NSString* GCDWebServerGetPrimaryIPv4Address();  // Returns IPv4 address of primary connected service on OS X or of WiFi interface on iOS if connected
+NSString* GCDWebServerFormatRFC822(NSDate* date);
+NSDate* GCDWebServerParseRFC822(NSString* string);
+NSString* GCDWebServerFormatISO8601(NSDate* date);
+NSDate* GCDWebServerParseISO8601(NSString* string);
+
+#ifdef __cplusplus
+}
+#endif

GCDWebServer/Core/GCDWebServerFunctions.m

@@ -0,0 +1,268 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <TargetConditionals.h>
+#if TARGET_OS_IPHONE
+#import <MobileCoreServices/MobileCoreServices.h>
+#else
+#import <SystemConfiguration/SystemConfiguration.h>
+#endif
+
+#import <ifaddrs.h>
+#import <net/if.h>
+#import <netdb.h>
+
+#import "GCDWebServerPrivate.h"
+
+static NSDateFormatter* _dateFormatterRFC822 = nil;
+static NSDateFormatter* _dateFormatterISO8601 = nil;
+static dispatch_queue_t _dateFormatterQueue = NULL;
+
+// HTTP/1.1 server must use RFC822
+// TODO: Handle RFC 850 and ANSI C's asctime() format (http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3)
+void GCDWebServerInitializeFunctions() {
+  DCHECK([NSThread isMainThread]);  // NSDateFormatter should be initialized on main thread
+  if (_dateFormatterRFC822 == nil) {
+    _dateFormatterRFC822 = [[NSDateFormatter alloc] init];
+    _dateFormatterRFC822.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
+    _dateFormatterRFC822.dateFormat = @"EEE',' dd MMM yyyy HH':'mm':'ss 'GMT'";
+    _dateFormatterRFC822.locale = ARC_AUTORELEASE([[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]);
+    DCHECK(_dateFormatterRFC822);
+  }
+  if (_dateFormatterISO8601 == nil) {
+    _dateFormatterISO8601 = [[NSDateFormatter alloc] init];
+    _dateFormatterISO8601.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
+    _dateFormatterISO8601.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss'+00:00'";
+    _dateFormatterISO8601.locale = ARC_AUTORELEASE([[NSLocale alloc] initWithLocaleIdentifier:@"en_US"]);
+    DCHECK(_dateFormatterISO8601);
+  }
+  if (_dateFormatterQueue == NULL) {
+    _dateFormatterQueue = dispatch_queue_create(NULL, DISPATCH_QUEUE_SERIAL);
+    DCHECK(_dateFormatterQueue);
+  }
+}
+
+NSString* GCDWebServerNormalizeHeaderValue(NSString* value) {
+  if (value) {
+    NSRange range = [value rangeOfString:@";"];  // Assume part before ";" separator is case-insensitive
+    if (range.location != NSNotFound) {
+      value = [[[value substringToIndex:range.location] lowercaseString] stringByAppendingString:[value substringFromIndex:range.location]];
+    } else {
+      value = [value lowercaseString];
+    }
+  }
+  return value;
+}
+
+NSString* GCDWebServerTruncateHeaderValue(NSString* value) {
+  DCHECK([value isEqualToString:GCDWebServerNormalizeHeaderValue(value)]);
+  NSRange range = [value rangeOfString:@";"];
+  return range.location != NSNotFound ? [value substringToIndex:range.location] : value;
+}
+
+NSString* GCDWebServerExtractHeaderValueParameter(NSString* value, NSString* name) {
+  DCHECK([value isEqualToString:GCDWebServerNormalizeHeaderValue(value)]);
+  NSString* parameter = nil;
+  NSScanner* scanner = [[NSScanner alloc] initWithString:value];
+  [scanner setCaseSensitive:NO];  // Assume parameter names are case-insensitive
+  NSString* string = [NSString stringWithFormat:@"%@=", name];
+  if ([scanner scanUpToString:string intoString:NULL]) {
+    [scanner scanString:string intoString:NULL];
+    if ([scanner scanString:@"\"" intoString:NULL]) {
+      [scanner scanUpToString:@"\"" intoString:&parameter];
+    } else {
+      [scanner scanUpToCharactersFromSet:[NSCharacterSet whitespaceCharacterSet] intoString:&parameter];
+    }
+  }
+  ARC_RELEASE(scanner);
+  return parameter;
+}
+
+// http://www.w3schools.com/tags/ref_charactersets.asp
+NSStringEncoding GCDWebServerStringEncodingFromCharset(NSString* charset) {
+  NSStringEncoding encoding = kCFStringEncodingInvalidId;
+  if (charset) {
+    encoding = CFStringConvertEncodingToNSStringEncoding(CFStringConvertIANACharSetNameToEncoding((CFStringRef)charset));
+  }
+  return (encoding != kCFStringEncodingInvalidId ? encoding : NSUTF8StringEncoding);
+}
+
+NSString* GCDWebServerFormatRFC822(NSDate* date) {
+  __block NSString* string;
+  dispatch_sync(_dateFormatterQueue, ^{
+    string = [_dateFormatterRFC822 stringFromDate:date];
+  });
+  return string;
+}
+
+NSDate* GCDWebServerParseRFC822(NSString* string) {
+  __block NSDate* date;
+  dispatch_sync(_dateFormatterQueue, ^{
+    date = [_dateFormatterRFC822 dateFromString:string];
+  });
+  return date;
+}
+
+NSString* GCDWebServerFormatISO8601(NSDate* date) {
+  __block NSString* string;
+  dispatch_sync(_dateFormatterQueue, ^{
+    string = [_dateFormatterISO8601 stringFromDate:date];
+  });
+  return string;
+}
+
+NSDate* GCDWebServerParseISO8601(NSString* string) {
+  __block NSDate* date;
+  dispatch_sync(_dateFormatterQueue, ^{
+    date = [_dateFormatterISO8601 dateFromString:string];
+  });
+  return date;
+}
+
+BOOL GCDWebServerIsTextContentType(NSString* type) {
+  return ([type hasPrefix:@"text/"] || [type hasPrefix:@"application/json"] || [type hasPrefix:@"application/xml"]);
+}
+
+NSString* GCDWebServerDescribeData(NSData* data, NSString* type) {
+  if (GCDWebServerIsTextContentType(type)) {
+    NSString* charset = GCDWebServerExtractHeaderValueParameter(type, @"charset");
+    NSString* string = [[NSString alloc] initWithData:data encoding:GCDWebServerStringEncodingFromCharset(charset)];
+    if (string) {
+      return ARC_AUTORELEASE(string);
+    }
+  }
+  return [NSString stringWithFormat:@"<%lu bytes>", (unsigned long)data.length];
+}
+
+NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension) {
+  static NSDictionary* _overrides = nil;
+  if (_overrides == nil) {
+    _overrides = [[NSDictionary alloc] initWithObjectsAndKeys:
+                  @"text/css", @"css",
+                  nil];
+  }
+  NSString* mimeType = nil;
+  extension = [extension lowercaseString];
+  if (extension.length) {
+    mimeType = [_overrides objectForKey:extension];
+    if (mimeType == nil) {
+      CFStringRef uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (ARC_BRIDGE CFStringRef)extension, NULL);
+      if (uti) {
+        mimeType = ARC_BRIDGE_RELEASE(UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType));
+        CFRelease(uti);
+      }
+    }
+  }
+  return mimeType ? mimeType : kGCDWebServerDefaultMimeType;
+}
+
+NSString* GCDWebServerEscapeURLString(NSString* string) {
+  return ARC_BRIDGE_RELEASE(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, CFSTR(":@/?&=+"), kCFStringEncodingUTF8));
+}
+
+NSString* GCDWebServerUnescapeURLString(NSString* string) {
+  return ARC_BRIDGE_RELEASE(CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""), kCFStringEncodingUTF8));
+}
+
+// http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1
+NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form) {
+  NSMutableDictionary* parameters = [NSMutableDictionary dictionary];
+  NSScanner* scanner = [[NSScanner alloc] initWithString:form];
+  [scanner setCharactersToBeSkipped:nil];
+  while (1) {
+    NSString* key = nil;
+    if (![scanner scanUpToString:@"=" intoString:&key] || [scanner isAtEnd]) {
+      break;
+    }
+    [scanner setScanLocation:([scanner scanLocation] + 1)];
+    
+    NSString* value = nil;
+    if (![scanner scanUpToString:@"&" intoString:&value]) {
+      break;
+    }
+    
+    key = [key stringByReplacingOccurrencesOfString:@"+" withString:@" "];
+    value = [value stringByReplacingOccurrencesOfString:@"+" withString:@" "];
+    if (key && value) {
+      [parameters setObject:GCDWebServerUnescapeURLString(value) forKey:GCDWebServerUnescapeURLString(key)];
+    } else {
+      DNOT_REACHED();
+    }
+    
+    if ([scanner isAtEnd]) {
+      break;
+    }
+    [scanner setScanLocation:([scanner scanLocation] + 1)];
+  }
+  ARC_RELEASE(scanner);
+  return parameters;
+}
+
+NSString* GCDWebServerGetPrimaryIPv4Address() {
+  NSString* address = nil;
+#if TARGET_OS_IPHONE
+#if !TARGET_IPHONE_SIMULATOR
+  const char* primaryInterface = "en0";  // WiFi interface on iOS
+#endif
+#else
+  const char* primaryInterface = NULL;
+  SCDynamicStoreRef store = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("GCDWebServer"), NULL, NULL);
+  if (store) {
+    CFPropertyListRef info = SCDynamicStoreCopyValue(store, CFSTR("State:/Network/Global/IPv4"));
+    if (info) {
+      primaryInterface = [[NSString stringWithString:[(ARC_BRIDGE NSDictionary*)info objectForKey:@"PrimaryInterface"]] UTF8String];
+      CFRelease(info);
+    }
+    CFRelease(store);
+  }
+  if (primaryInterface == NULL) {
+    primaryInterface = "lo0";
+  }
+#endif
+  struct ifaddrs* list;
+  if (getifaddrs(&list) >= 0) {
+    for (struct ifaddrs* ifap = list; ifap; ifap = ifap->ifa_next) {
+#if TARGET_IPHONE_SIMULATOR
+      if (strcmp(ifap->ifa_name, "en0") && strcmp(ifap->ifa_name, "en1"))  // Assume en0 is Ethernet and en1 is WiFi since there is no way to use SystemConfiguration framework in iOS Simulator
+#else
+      if (strcmp(ifap->ifa_name, primaryInterface))
+#endif
+      {
+        continue;
+      }
+      if ((ifap->ifa_flags & IFF_UP) && (ifap->ifa_addr->sa_family == AF_INET)) {
+        char buffer[NI_MAXHOST];
+        if (getnameinfo(ifap->ifa_addr, ifap->ifa_addr->sa_len, buffer, sizeof(buffer), NULL, 0, NI_NUMERICHOST | NI_NOFQDN) >= 0) {
+          address = [NSString stringWithUTF8String:buffer];
+        }
+        break;
+      }
+    }
+    freeifaddrs(list);
+  }
+  return address;
+}

GCDWebServer/Core/GCDWebServerHTTPStatusCodes.h

@@ -0,0 +1,101 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+// http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+
+#import <Foundation/Foundation.h>
+
+typedef NS_ENUM(NSInteger, GCDWebServerInformationalHTTPStatusCode) {
+  kGCDWebServerHTTPStatusCode_Continue = 100,
+  kGCDWebServerHTTPStatusCode_SwitchingProtocols = 101,
+  kGCDWebServerHTTPStatusCode_Processing = 102
+};
+
+typedef NS_ENUM(NSInteger, GCDWebServerSuccessfulHTTPStatusCode) {
+  kGCDWebServerHTTPStatusCode_OK = 200,
+  kGCDWebServerHTTPStatusCode_Created = 201,
+  kGCDWebServerHTTPStatusCode_Accepted = 202,
+  kGCDWebServerHTTPStatusCode_NonAuthoritativeInformation = 203,
+  kGCDWebServerHTTPStatusCode_NoContent = 204,
+  kGCDWebServerHTTPStatusCode_ResetContent = 205,
+  kGCDWebServerHTTPStatusCode_PartialContent = 206,
+  kGCDWebServerHTTPStatusCode_MultiStatus = 207,
+  kGCDWebServerHTTPStatusCode_AlreadyReported = 208
+};
+
+typedef NS_ENUM(NSInteger, GCDWebServerRedirectionHTTPStatusCode) {
+  kGCDWebServerHTTPStatusCode_MultipleChoices = 300,
+  kGCDWebServerHTTPStatusCode_MovedPermanently = 301,
+  kGCDWebServerHTTPStatusCode_Found = 302,
+  kGCDWebServerHTTPStatusCode_SeeOther = 303,
+  kGCDWebServerHTTPStatusCode_NotModified = 304,
+  kGCDWebServerHTTPStatusCode_UseProxy = 305,
+  kGCDWebServerHTTPStatusCode_TemporaryRedirect = 307,
+  kGCDWebServerHTTPStatusCode_PermanentRedirect = 308
+};
+
+typedef NS_ENUM(NSInteger, GCDWebServerClientErrorHTTPStatusCode) {
+  kGCDWebServerHTTPStatusCode_BadRequest = 400,
+  kGCDWebServerHTTPStatusCode_Unauthorized = 401,
+  kGCDWebServerHTTPStatusCode_PaymentRequired = 402,
+  kGCDWebServerHTTPStatusCode_Forbidden = 403,
+  kGCDWebServerHTTPStatusCode_NotFound = 404,
+  kGCDWebServerHTTPStatusCode_MethodNotAllowed = 405,
+  kGCDWebServerHTTPStatusCode_NotAcceptable = 406,
+  kGCDWebServerHTTPStatusCode_ProxyAuthenticationRequired = 407,
+  kGCDWebServerHTTPStatusCode_RequestTimeout = 408,
+  kGCDWebServerHTTPStatusCode_Conflict = 409,
+  kGCDWebServerHTTPStatusCode_Gone = 410,
+  kGCDWebServerHTTPStatusCode_LengthRequired = 411,
+  kGCDWebServerHTTPStatusCode_PreconditionFailed = 412,
+  kGCDWebServerHTTPStatusCode_RequestEntityTooLarge = 413,
+  kGCDWebServerHTTPStatusCode_RequestURITooLong = 414,
+  kGCDWebServerHTTPStatusCode_UnsupportedMediaType = 415,
+  kGCDWebServerHTTPStatusCode_RequestedRangeNotSatisfiable = 416,
+  kGCDWebServerHTTPStatusCode_ExpectationFailed = 417,
+  kGCDWebServerHTTPStatusCode_UnprocessableEntity = 422,
+  kGCDWebServerHTTPStatusCode_Locked = 423,
+  kGCDWebServerHTTPStatusCode_FailedDependency = 424,
+  kGCDWebServerHTTPStatusCode_UpgradeRequired = 426,
+  kGCDWebServerHTTPStatusCode_PreconditionRequired = 428,
+  kGCDWebServerHTTPStatusCode_TooManyRequests = 429,
+  kGCDWebServerHTTPStatusCode_RequestHeaderFieldsTooLarge = 431
+};
+
+typedef NS_ENUM(NSInteger, GCDWebServerServerErrorHTTPStatusCode) {
+  kGCDWebServerHTTPStatusCode_InternalServerError = 500,
+  kGCDWebServerHTTPStatusCode_NotImplemented = 501,
+  kGCDWebServerHTTPStatusCode_BadGateway = 502,
+  kGCDWebServerHTTPStatusCode_ServiceUnavailable = 503,
+  kGCDWebServerHTTPStatusCode_GatewayTimeout = 504,
+  kGCDWebServerHTTPStatusCode_HTTPVersionNotSupported = 505,
+  kGCDWebServerHTTPStatusCode_InsufficientStorage = 507,
+  kGCDWebServerHTTPStatusCode_LoopDetected = 508,
+  kGCDWebServerHTTPStatusCode_NotExtended = 510,
+  kGCDWebServerHTTPStatusCode_NetworkAuthenticationRequired = 511
+};

GCDWebServer/Core/GCDWebServerPrivate.h

@@ -0,0 +1,154 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <TargetConditionals.h>
+#import <AvailabilityMacros.h>
+
+#if __has_feature(objc_arc)
+#define ARC_BRIDGE __bridge
+#define ARC_BRIDGE_RELEASE(__OBJECT__) CFBridgingRelease(__OBJECT__)
+#define ARC_RETAIN(__OBJECT__) __OBJECT__
+#define ARC_RELEASE(__OBJECT__)
+#define ARC_AUTORELEASE(__OBJECT__) __OBJECT__
+#define ARC_DEALLOC(__OBJECT__)
+#if (TARGET_OS_IPHONE && (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0)) || (!TARGET_OS_IPHONE && (__MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8))
+#define ARC_DISPATCH_RETAIN(__OBJECT__)
+#define ARC_DISPATCH_RELEASE(__OBJECT__)
+#else
+#define ARC_DISPATCH_RETAIN(__OBJECT__) dispatch_retain(__OBJECT__)
+#define ARC_DISPATCH_RELEASE(__OBJECT__) dispatch_release(__OBJECT__)
+#endif
+#else
+#define ARC_BRIDGE
+#define ARC_BRIDGE_RELEASE(__OBJECT__) [(id)__OBJECT__ autorelease]
+#define ARC_RETAIN(__OBJECT__) [__OBJECT__ retain]
+#define ARC_RELEASE(__OBJECT__) [__OBJECT__ release]
+#define ARC_AUTORELEASE(__OBJECT__) [__OBJECT__ autorelease]
+#define ARC_DEALLOC(__OBJECT__) [__OBJECT__ dealloc]
+#define ARC_DISPATCH_RETAIN(__OBJECT__) dispatch_retain(__OBJECT__)
+#define ARC_DISPATCH_RELEASE(__OBJECT__) dispatch_release(__OBJECT__)
+#endif
+
+#import "GCDWebServerHTTPStatusCodes.h"
+#import "GCDWebServerFunctions.h"
+
+#import "GCDWebServer.h"
+#import "GCDWebServerConnection.h"
+
+#import "GCDWebServerDataRequest.h"
+#import "GCDWebServerFileRequest.h"
+#import "GCDWebServerMultiPartFormRequest.h"
+#import "GCDWebServerURLEncodedFormRequest.h"
+
+#import "GCDWebServerDataResponse.h"
+#import "GCDWebServerErrorResponse.h"
+#import "GCDWebServerFileResponse.h"
+#import "GCDWebServerStreamingResponse.h"
+
+#ifdef __GCDWEBSERVER_LOGGING_HEADER__
+
+// Define __GCDWEBSERVER_LOGGING_HEADER__ as a preprocessor constant to redirect GCDWebServer logging to your own system
+#import __GCDWEBSERVER_LOGGING_HEADER__
+
+#else
+
+extern GCDWebServerLogLevel GCDLogLevel;
+extern void GCDLogMessage(GCDWebServerLogLevel level, NSString* format, ...) NS_FORMAT_FUNCTION(2, 3);
+
+#define LOG_VERBOSE(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Verbose) GCDLogMessage(kGCDWebServerLogLevel_Verbose, __VA_ARGS__); } while (0)
+#define LOG_INFO(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Info) GCDLogMessage(kGCDWebServerLogLevel_Info, __VA_ARGS__); } while (0)
+#define LOG_WARNING(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Warning) GCDLogMessage(kGCDWebServerLogLevel_Warning, __VA_ARGS__); } while (0)
+#define LOG_ERROR(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Error) GCDLogMessage(kGCDWebServerLogLevel_Error, __VA_ARGS__); } while (0)
+#define LOG_EXCEPTION(__EXCEPTION__) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Exception) GCDLogMessage(kGCDWebServerLogLevel_Exception, @"%@", __EXCEPTION__); } while (0)
+
+#ifdef NDEBUG
+
+#define DCHECK(__CONDITION__)
+#define DNOT_REACHED()
+#define LOG_DEBUG(...)
+
+#else
+
+#define DCHECK(__CONDITION__) \
+  do { \
+    if (!(__CONDITION__)) { \
+      abort(); \
+    } \
+  } while (0)
+#define DNOT_REACHED() abort()
+#define LOG_DEBUG(...) do { if (GCDLogLevel <= kGCDWebServerLogLevel_Debug) GCDLogMessage(kGCDWebServerLogLevel_Debug, __VA_ARGS__); } while (0)
+
+#endif
+
+#endif
+
+#define kGCDWebServerDefaultMimeType @"application/octet-stream"
+#define kGCDWebServerGCDQueue dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
+#define kGCDWebServerErrorDomain @"GCDWebServerErrorDomain"
+
+static inline BOOL GCDWebServerIsValidByteRange(NSRange range) {
+  return ((range.location != NSNotFound) || (range.length > 0));
+}
+
+extern void GCDWebServerInitializeFunctions();
+extern NSString* GCDWebServerNormalizeHeaderValue(NSString* value);
+extern NSString* GCDWebServerTruncateHeaderValue(NSString* value);
+extern NSString* GCDWebServerExtractHeaderValueParameter(NSString* header, NSString* attribute);
+extern NSStringEncoding GCDWebServerStringEncodingFromCharset(NSString* charset);
+extern BOOL GCDWebServerIsTextContentType(NSString* type);
+extern NSString* GCDWebServerDescribeData(NSData* data, NSString* contentType);
+
+@interface GCDWebServerConnection ()
+- (id)initWithServer:(GCDWebServer*)server localAddress:(NSData*)localAddress remoteAddress:(NSData*)remoteAddress socket:(CFSocketNativeHandle)socket;
+@end
+
+@interface GCDWebServer ()
+@property(nonatomic, readonly) NSArray* handlers;
+@end
+
+@interface GCDWebServerHandler : NSObject
+@property(nonatomic, readonly) GCDWebServerMatchBlock matchBlock;
+@property(nonatomic, readonly) GCDWebServerProcessBlock processBlock;
+- (id)initWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)processBlock;
+@end
+
+@interface GCDWebServerRequest ()
+@property(nonatomic, readonly) BOOL usesChunkedTransferEncoding;
+- (void)prepareForWriting;
+- (BOOL)performOpen:(NSError**)error;
+- (BOOL)performWriteData:(NSData*)data error:(NSError**)error;
+- (BOOL)performClose:(NSError**)error;
+@end
+
+@interface GCDWebServerResponse ()
+@property(nonatomic, readonly) NSDictionary* additionalHeaders;
+@property(nonatomic, readonly) BOOL usesChunkedTransferEncoding;
+- (void)prepareForReading;
+- (BOOL)performOpen:(NSError**)error;
+- (NSData*)performReadData:(NSError**)error;
+- (void)performClose;
+@end

GCDWebServer/Core/GCDWebServerRequest.h

@@ -0,0 +1,51 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <Foundation/Foundation.h>
+
+@protocol GCDWebServerBodyWriter <NSObject>
+- (BOOL)open:(NSError**)error;  // Return NO on error ("error" is guaranteed to be non-NULL)
+- (BOOL)writeData:(NSData*)data error:(NSError**)error;  // Return NO on error ("error" is guaranteed to be non-NULL)
+- (BOOL)close:(NSError**)error;  // Return NO on error ("error" is guaranteed to be non-NULL)
+@end
+
+@interface GCDWebServerRequest : NSObject <GCDWebServerBodyWriter>
+@property(nonatomic, readonly) NSString* method;
+@property(nonatomic, readonly) NSURL* URL;
+@property(nonatomic, readonly) NSDictionary* headers;
+@property(nonatomic, readonly) NSString* path;
+@property(nonatomic, readonly) NSDictionary* query;  // May be nil
+@property(nonatomic, readonly) NSString* contentType;  // Automatically parsed from headers (nil if request has no body or set to "application/octet-stream" if a body is present without a "Content-Type" header)
+@property(nonatomic, readonly) NSUInteger contentLength;  // Automatically parsed from headers (NSNotFound if request has no "Content-Length" header)
+@property(nonatomic, readonly) NSDate* ifModifiedSince;  // Automatically parsed from headers (nil if request has no "If-Modified-Since" header or it is malformatted)
+@property(nonatomic, readonly) NSString* ifNoneMatch;  // Automatically parsed from headers (nil if request has no "If-None-Match" header)
+@property(nonatomic, readonly) NSRange byteRange;  // Automatically parsed from headers ([NSNotFound, 0] if request has no "Range" header, [offset, length] for byte range from beginning or [NSNotFound, -bytes] from end)
+@property(nonatomic, readonly) BOOL acceptsGzipContentEncoding;  // Automatically parsed from headers
+- (instancetype)initWithMethod:(NSString*)method url:(NSURL*)url headers:(NSDictionary*)headers path:(NSString*)path query:(NSDictionary*)query;
+- (BOOL)hasBody;  // Convenience method that checks if "contentType" is not nil
+- (BOOL)hasByteRange;  // Convenience method that checks "byteRange"
+@end

GCDWebServer/Core/GCDWebServerRequest.m

@@ -0,0 +1,322 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <zlib.h>
+
+#import "GCDWebServerPrivate.h"
+
+#define kZlibErrorDomain @"ZlibErrorDomain"
+#define kGZipInitialBufferSize (256 * 1024)
+
+@interface GCDWebServerBodyDecoder : NSObject <GCDWebServerBodyWriter>
+- (id)initWithRequest:(GCDWebServerRequest*)request writer:(id<GCDWebServerBodyWriter>)writer;
+@end
+
+@interface GCDWebServerGZipDecoder : GCDWebServerBodyDecoder
+@end
+
+@interface GCDWebServerBodyDecoder () {
+@private
+  GCDWebServerRequest* __unsafe_unretained _request;
+  id<GCDWebServerBodyWriter> __unsafe_unretained _writer;
+}
+@end
+
+@implementation GCDWebServerBodyDecoder
+
+- (id)initWithRequest:(GCDWebServerRequest*)request writer:(id<GCDWebServerBodyWriter>)writer {
+  if ((self = [super init])) {
+    _request = request;
+    _writer = writer;
+  }
+  return self;
+}
+
+- (BOOL)open:(NSError**)error {
+  return [_writer open:error];
+}
+
+- (BOOL)writeData:(NSData*)data error:(NSError**)error {
+  return [_writer writeData:data error:error];
+}
+
+- (BOOL)close:(NSError**)error {
+  return [_writer close:error];
+}
+
+@end
+
+@interface GCDWebServerGZipDecoder () {
+@private
+  z_stream _stream;
+  BOOL _finished;
+}
+@end
+
+@implementation GCDWebServerGZipDecoder
+
+- (BOOL)open:(NSError**)error {
+  int result = inflateInit2(&_stream, 15 + 16);
+  if (result != Z_OK) {
+    *error = [NSError errorWithDomain:kZlibErrorDomain code:result userInfo:nil];
+    return NO;
+  }
+  if (![super open:error]) {
+    deflateEnd(&_stream);
+    return NO;
+  }
+  return YES;
+}
+
+- (BOOL)writeData:(NSData*)data error:(NSError**)error {
+  DCHECK(!_finished);
+  _stream.next_in = (Bytef*)data.bytes;
+  _stream.avail_in = (uInt)data.length;
+  NSMutableData* decodedData = [[NSMutableData alloc] initWithLength:kGZipInitialBufferSize];
+  if (decodedData == nil) {
+    DNOT_REACHED();
+    return NO;
+  }
+  NSUInteger length = 0;
+  while (1) {
+    NSUInteger maxLength = decodedData.length - length;
+    _stream.next_out = (Bytef*)((char*)decodedData.mutableBytes + length);
+    _stream.avail_out = (uInt)maxLength;
+    int result = inflate(&_stream, Z_NO_FLUSH);
+    if ((result != Z_OK) && (result != Z_STREAM_END)) {
+      ARC_RELEASE(decodedData);
+      *error = [NSError errorWithDomain:kZlibErrorDomain code:result userInfo:nil];
+      return NO;
+    }
+    length += maxLength - _stream.avail_out;
+    if (_stream.avail_out > 0) {
+      if (result == Z_STREAM_END) {
+        _finished = YES;
+      }
+      break;
+    }
+    decodedData.length = 2 * decodedData.length;  // zlib has used all the output buffer so resize it and try again in case more data is available
+  }
+  decodedData.length = length;
+  BOOL success = length ? [super writeData:decodedData error:error] : YES;  // No need to call writer if we have no data yet
+  ARC_RELEASE(decodedData);
+  return success;
+}
+
+- (BOOL)close:(NSError**)error {
+  DCHECK(_finished);
+  inflateEnd(&_stream);
+  return [super close:error];
+}
+
+@end
+
+@interface GCDWebServerRequest () {
+@private
+  NSString* _method;
+  NSURL* _url;
+  NSDictionary* _headers;
+  NSString* _path;
+  NSDictionary* _query;
+  NSString* _type;
+  BOOL _chunked;
+  NSUInteger _length;
+  NSDate* _modifiedSince;
+  NSString* _noneMatch;
+  NSRange _range;
+  BOOL _gzipAccepted;
+  
+  BOOL _opened;
+  NSMutableArray* _decoders;
+  id<GCDWebServerBodyWriter> __unsafe_unretained _writer;
+}
+@end
+
+@implementation GCDWebServerRequest : NSObject
+
+@synthesize method=_method, URL=_url, headers=_headers, path=_path, query=_query, contentType=_type, contentLength=_length, ifModifiedSince=_modifiedSince, ifNoneMatch=_noneMatch,
+            byteRange=_range, acceptsGzipContentEncoding=_gzipAccepted, usesChunkedTransferEncoding=_chunked;
+
+- (instancetype)initWithMethod:(NSString*)method url:(NSURL*)url headers:(NSDictionary*)headers path:(NSString*)path query:(NSDictionary*)query {
+  if ((self = [super init])) {
+    _method = [method copy];
+    _url = ARC_RETAIN(url);
+    _headers = ARC_RETAIN(headers);
+    _path = [path copy];
+    _query = ARC_RETAIN(query);
+    
+    _type = ARC_RETAIN(GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Content-Type"]));
+    _chunked = [GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Transfer-Encoding"]) isEqualToString:@"chunked"];
+    NSString* lengthHeader = [_headers objectForKey:@"Content-Length"];
+    if (lengthHeader) {
+      NSInteger length = [lengthHeader integerValue];
+      if (_chunked || (length < 0)) {
+        DNOT_REACHED();
+        ARC_RELEASE(self);
+        return nil;
+      }
+      _length = length;
+      if (_type == nil) {
+        _type = kGCDWebServerDefaultMimeType;
+      }
+    } else if (_chunked) {
+      if (_type == nil) {
+        _type = kGCDWebServerDefaultMimeType;
+      }
+      _length = NSNotFound;
+    } else {
+      if (_type) {
+        DNOT_REACHED();
+        ARC_RELEASE(self);
+        return nil;
+      }
+      _length = NSNotFound;
+    }
+    
+    NSString* modifiedHeader = [_headers objectForKey:@"If-Modified-Since"];
+    if (modifiedHeader) {
+      _modifiedSince = [GCDWebServerParseRFC822(modifiedHeader) copy];
+    }
+    _noneMatch = ARC_RETAIN([_headers objectForKey:@"If-None-Match"]);
+    
+    _range = NSMakeRange(NSNotFound, 0);
+    NSString* rangeHeader = GCDWebServerNormalizeHeaderValue([_headers objectForKey:@"Range"]);
+    if (rangeHeader) {
+      if ([rangeHeader hasPrefix:@"bytes="]) {
+        NSArray* components = [[rangeHeader substringFromIndex:6] componentsSeparatedByString:@","];
+        if (components.count == 1) {
+          components = [[components firstObject] componentsSeparatedByString:@"-"];
+          if (components.count == 2) {
+            NSString* startString = [components objectAtIndex:0];
+            NSInteger startValue = [startString integerValue];
+            NSString* endString = [components objectAtIndex:1];
+            NSInteger endValue = [endString integerValue];
+            if (startString.length && (startValue >= 0) && endString.length && (endValue >= startValue)) {  // The second 500 bytes: "500-999"
+              _range.location = startValue;
+              _range.length = endValue - startValue + 1;
+            } else if (startString.length && (startValue >= 0)) {  // The bytes after 9500 bytes: "9500-"
+              _range.location = startValue;
+              _range.length = NSUIntegerMax;
+            } else if (endString.length && (endValue > 0)) {  // The final 500 bytes: "-500"
+              _range.location = NSNotFound;
+              _range.length = endValue;
+            }
+          }
+        }
+      }
+      if ((_range.location == NSNotFound) && (_range.length == 0)) {  // Ignore "Range" header if syntactically invalid
+        LOG_WARNING(@"Failed to parse 'Range' header \"%@\" for url: %@", rangeHeader, url);
+      }
+    }
+    
+    if ([[_headers objectForKey:@"Accept-Encoding"] rangeOfString:@"gzip"].location != NSNotFound) {
+      _gzipAccepted = YES;
+    }
+    
+    _decoders = [[NSMutableArray alloc] init];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_method);
+  ARC_RELEASE(_url);
+  ARC_RELEASE(_headers);
+  ARC_RELEASE(_path);
+  ARC_RELEASE(_query);
+  ARC_RELEASE(_type);
+  ARC_RELEASE(_modifiedSince);
+  ARC_RELEASE(_noneMatch);
+  ARC_RELEASE(_decoders);
+  
+  ARC_DEALLOC(super);
+}
+
+- (BOOL)hasBody {
+  return _type ? YES : NO;
+}
+
+- (BOOL)hasByteRange {
+  return GCDWebServerIsValidByteRange(_range);
+}
+
+- (BOOL)open:(NSError**)error {
+  return YES;
+}
+
+- (BOOL)writeData:(NSData*)data error:(NSError**)error {
+  return YES;
+}
+
+- (BOOL)close:(NSError**)error {
+  return YES;
+}
+
+- (void)prepareForWriting {
+  _writer = self;
+  if ([GCDWebServerNormalizeHeaderValue([self.headers objectForKey:@"Content-Encoding"]) isEqualToString:@"gzip"]) {
+    GCDWebServerGZipDecoder* decoder = [[GCDWebServerGZipDecoder alloc] initWithRequest:self writer:_writer];
+    [_decoders addObject:decoder];
+    ARC_RELEASE(decoder);
+    _writer = decoder;
+  }
+}
+
+- (BOOL)performOpen:(NSError**)error {
+  DCHECK(_type);
+  DCHECK(_writer);
+  if (_opened) {
+    DNOT_REACHED();
+    return NO;
+  }
+  _opened = YES;
+  return [_writer open:error];
+}
+
+- (BOOL)performWriteData:(NSData*)data error:(NSError**)error {
+  DCHECK(_opened);
+  return [_writer writeData:data error:error];
+}
+
+- (BOOL)performClose:(NSError**)error {
+  DCHECK(_opened);
+  return [_writer close:error];
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithFormat:@"%@ %@", _method, _path];
+  for (NSString* argument in [[_query allKeys] sortedArrayUsingSelector:@selector(compare:)]) {
+    [description appendFormat:@"\n  %@ = %@", argument, [_query objectForKey:argument]];
+  }
+  [description appendString:@"\n"];
+  for (NSString* header in [[_headers allKeys] sortedArrayUsingSelector:@selector(compare:)]) {
+    [description appendFormat:@"\n%@: %@", header, [_headers objectForKey:header]];
+  }
+  return description;
+}
+
+@end

GCDWebServer/Core/GCDWebServerResponse.h

@@ -0,0 +1,55 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <Foundation/Foundation.h>
+
+@protocol GCDWebServerBodyReader <NSObject>
+- (BOOL)open:(NSError**)error;  // Return NO on error ("error" is guaranteed to be non-NULL)
+- (NSData*)readData:(NSError**)error;  // Must return nil on error or empty NSData if at end ("error" is guaranteed to be non-NULL)
+- (void)close;
+@end
+
+@interface GCDWebServerResponse : NSObject <GCDWebServerBodyReader>
+@property(nonatomic, copy) NSString* contentType;  // Default is nil i.e. no body (must be set if a body is present)
+@property(nonatomic) NSUInteger contentLength;  // Default is NSNotFound i.e. undefined (if a body is present but length is undefined, chunked transfer encoding will be enabled)
+@property(nonatomic) NSInteger statusCode;  // Default is 200
+@property(nonatomic) NSUInteger cacheControlMaxAge;  // Default is 0 seconds i.e. "Cache-Control: no-cache"
+@property(nonatomic, retain) NSDate* lastModifiedDate;  // Default is nil i.e. no "Last-Modified" header
+@property(nonatomic, copy) NSString* eTag;  // Default is nil i.e. no "ETag" header
+@property(nonatomic, getter=isGZipContentEncodingEnabled) BOOL gzipContentEncodingEnabled;  // Default is disabled
++ (instancetype)response;
+- (instancetype)init;
+- (void)setValue:(NSString*)value forAdditionalHeader:(NSString*)header;  // Pass nil value to remove header
+- (BOOL)hasBody;  // Convenience method that checks if "contentType" is not nil
+@end
+
+@interface GCDWebServerResponse (Extensions)
++ (instancetype)responseWithStatusCode:(NSInteger)statusCode;
++ (instancetype)responseWithRedirect:(NSURL*)location permanent:(BOOL)permanent;
+- (instancetype)initWithStatusCode:(NSInteger)statusCode;
+- (instancetype)initWithRedirect:(NSURL*)location permanent:(BOOL)permanent;
+@end

GCDWebServer/Core/GCDWebServerResponse.m

@@ -0,0 +1,308 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <zlib.h>
+
+#import "GCDWebServerPrivate.h"
+
+#define kZlibErrorDomain @"ZlibErrorDomain"
+#define kGZipInitialBufferSize (256 * 1024)
+
+@interface GCDWebServerBodyEncoder : NSObject <GCDWebServerBodyReader>
+- (id)initWithResponse:(GCDWebServerResponse*)response reader:(id<GCDWebServerBodyReader>)reader;
+@end
+
+@interface GCDWebServerGZipEncoder : GCDWebServerBodyEncoder
+@end
+
+@interface GCDWebServerBodyEncoder () {
+@private
+  GCDWebServerResponse* __unsafe_unretained _response;
+  id<GCDWebServerBodyReader> __unsafe_unretained _reader;
+}
+@end
+
+@implementation GCDWebServerBodyEncoder
+
+- (id)initWithResponse:(GCDWebServerResponse*)response reader:(id<GCDWebServerBodyReader>)reader {
+  if ((self = [super init])) {
+    _response = response;
+    _reader = reader;
+  }
+  return self;
+}
+
+- (BOOL)open:(NSError**)error {
+  return [_reader open:error];
+}
+
+- (NSData*)readData:(NSError**)error {
+  return [_reader readData:error];
+}
+
+- (void)close {
+  [_reader close];
+}
+
+@end
+
+@interface GCDWebServerGZipEncoder () {
+@private
+  z_stream _stream;
+  BOOL _finished;
+}
+@end
+
+@implementation GCDWebServerGZipEncoder
+
+- (id)initWithResponse:(GCDWebServerResponse*)response reader:(id<GCDWebServerBodyReader>)reader {
+  if ((self = [super initWithResponse:response reader:reader])) {
+    response.contentLength = NSNotFound;  // Make sure "Content-Length" header is not set since we don't know it (client will determine body length when connection is closed)
+    [response setValue:@"gzip" forAdditionalHeader:@"Content-Encoding"];
+  }
+  return self;
+}
+
+- (BOOL)open:(NSError**)error {
+  int result = deflateInit2(&_stream, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 15 + 16, 8, Z_DEFAULT_STRATEGY);
+  if (result != Z_OK) {
+    *error = [NSError errorWithDomain:kZlibErrorDomain code:result userInfo:nil];
+    return NO;
+  }
+  if (![super open:error]) {
+    deflateEnd(&_stream);
+    return NO;
+  }
+  return YES;
+}
+
+- (NSData*)readData:(NSError**)error {
+  NSMutableData* encodedData;
+  if (_finished) {
+    encodedData = [[NSMutableData alloc] init];
+  } else {
+    encodedData = [[NSMutableData alloc] initWithLength:kGZipInitialBufferSize];
+    if (encodedData == nil) {
+      DNOT_REACHED();
+      return nil;
+    }
+    NSUInteger length = 0;
+    do {
+      NSData* data = [super readData:error];
+      if (data == nil) {
+        return nil;
+      }
+      _stream.next_in = (Bytef*)data.bytes;
+      _stream.avail_in = (uInt)data.length;
+      while (1) {
+        NSUInteger maxLength = encodedData.length - length;
+        _stream.next_out = (Bytef*)((char*)encodedData.mutableBytes + length);
+        _stream.avail_out = (uInt)maxLength;
+        int result = deflate(&_stream, data.length ? Z_NO_FLUSH : Z_FINISH);
+        if (result == Z_STREAM_END) {
+          _finished = YES;
+        } else if (result != Z_OK) {
+          ARC_RELEASE(encodedData);
+          *error = [NSError errorWithDomain:kZlibErrorDomain code:result userInfo:nil];
+          return nil;
+        }
+        length += maxLength - _stream.avail_out;
+        if (_stream.avail_out > 0) {
+          break;
+        }
+        encodedData.length = 2 * encodedData.length;  // zlib has used all the output buffer so resize it and try again in case more data is available
+      }
+      DCHECK(_stream.avail_in == 0);
+    } while (length == 0);  // Make sure we don't return an empty NSData if not in finished state
+    encodedData.length = length;
+  }
+  return ARC_AUTORELEASE(encodedData);
+}
+
+- (void)close {
+  deflateEnd(&_stream);
+  [super close];
+}
+
+@end
+
+@interface GCDWebServerResponse () {
+@private
+  NSString* _type;
+  NSUInteger _length;
+  NSInteger _status;
+  NSUInteger _maxAge;
+  NSDate* _lastModified;
+  NSString* _eTag;
+  NSMutableDictionary* _headers;
+  BOOL _chunked;
+  BOOL _gzipped;
+  
+  BOOL _opened;
+  NSMutableArray* _encoders;
+  id<GCDWebServerBodyReader> __unsafe_unretained _reader;
+}
+@end
+
+@implementation GCDWebServerResponse
+
+@synthesize contentType=_type, contentLength=_length, statusCode=_status, cacheControlMaxAge=_maxAge, lastModifiedDate=_lastModified, eTag=_eTag,
+            gzipContentEncodingEnabled=_gzipped, additionalHeaders=_headers;
+
++ (instancetype)response {
+  return ARC_AUTORELEASE([[[self class] alloc] init]);
+}
+
+- (instancetype)init {
+  if ((self = [super init])) {
+    _type = nil;
+    _length = NSNotFound;
+    _status = kGCDWebServerHTTPStatusCode_OK;
+    _maxAge = 0;
+    _headers = [[NSMutableDictionary alloc] init];
+    _encoders = [[NSMutableArray alloc] init];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_type);
+  ARC_RELEASE(_lastModified);
+  ARC_RELEASE(_eTag);
+  ARC_RELEASE(_headers);
+  ARC_RELEASE(_encoders);
+  
+  ARC_DEALLOC(super);
+}
+
+- (void)setValue:(NSString*)value forAdditionalHeader:(NSString*)header {
+  [_headers setValue:value forKey:header];
+}
+
+- (BOOL)hasBody {
+  return _type ? YES : NO;
+}
+
+- (BOOL)usesChunkedTransferEncoding {
+  return (_type != nil) && (_length == NSNotFound);
+}
+
+- (BOOL)open:(NSError**)error {
+  return YES;
+}
+
+- (NSData*)readData:(NSError**)error {
+  return [NSData data];
+}
+
+- (void)close {
+  ;
+}
+
+- (void)prepareForReading {
+  _reader = self;
+  if (_gzipped) {
+    GCDWebServerGZipEncoder* encoder = [[GCDWebServerGZipEncoder alloc] initWithResponse:self reader:_reader];
+    [_encoders addObject:encoder];
+    ARC_RELEASE(encoder);
+    _reader = encoder;
+  }
+}
+
+- (BOOL)performOpen:(NSError**)error {
+  DCHECK(_type);
+  DCHECK(_reader);
+  if (_opened) {
+    DNOT_REACHED();
+    return NO;
+  }
+  _opened = YES;
+  return [_reader open:error];
+}
+
+- (NSData*)performReadData:(NSError**)error {
+  DCHECK(_opened);
+  return [_reader readData:error];
+}
+
+- (void)performClose {
+  DCHECK(_opened);
+  [_reader close];
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithFormat:@"Status Code = %i", (int)_status];
+  if (_type) {
+    [description appendFormat:@"\nContent Type = %@", _type];
+  }
+  if (_length != NSNotFound) {
+    [description appendFormat:@"\nContent Length = %lu", (unsigned long)_length];
+  }
+  [description appendFormat:@"\nCache Control Max Age = %lu", (unsigned long)_maxAge];
+  if (_lastModified) {
+    [description appendFormat:@"\nLast Modified Date = %@", _lastModified];
+  }
+  if (_eTag) {
+    [description appendFormat:@"\nETag = %@", _eTag];
+  }
+  if (_headers.count) {
+    [description appendString:@"\n"];
+    for (NSString* header in [[_headers allKeys] sortedArrayUsingSelector:@selector(compare:)]) {
+      [description appendFormat:@"\n%@: %@", header, [_headers objectForKey:header]];
+    }
+  }
+  return description;
+}
+
+@end
+
+@implementation GCDWebServerResponse (Extensions)
+
++ (instancetype)responseWithStatusCode:(NSInteger)statusCode {
+  return ARC_AUTORELEASE([[self alloc] initWithStatusCode:statusCode]);
+}
+
++ (instancetype)responseWithRedirect:(NSURL*)location permanent:(BOOL)permanent {
+  return ARC_AUTORELEASE([[self alloc] initWithRedirect:location permanent:permanent]);
+}
+
+- (instancetype)initWithStatusCode:(NSInteger)statusCode {
+  if ((self = [self init])) {
+    self.statusCode = statusCode;
+  }
+  return self;
+}
+
+- (instancetype)initWithRedirect:(NSURL*)location permanent:(BOOL)permanent {
+  if ((self = [self init])) {
+    self.statusCode = permanent ? kGCDWebServerHTTPStatusCode_MovedPermanently : kGCDWebServerHTTPStatusCode_TemporaryRedirect;
+    [self setValue:[location absoluteString] forAdditionalHeader:@"Location"];
+  }
+  return self;
+}
+
+@end

GCDWebServer/Requests/GCDWebServerDataRequest.h

@@ -0,0 +1,37 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerRequest.h"
+
+@interface GCDWebServerDataRequest : GCDWebServerRequest
+@property(nonatomic, readonly) NSData* data;
+@end
+
+@interface GCDWebServerDataRequest (Extensions)
+@property(nonatomic, readonly) NSString* text;  // Text encoding is extracted from Content-Type or defaults to UTF-8 - Returns nil on error
+@property(nonatomic, readonly) id jsonObject;  // Returns nil on error
+@end

GCDWebServer/Requests/GCDWebServerDataRequest.m

@@ -0,0 +1,109 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+@interface GCDWebServerDataRequest () {
+@private
+  NSMutableData* _data;
+  
+  NSString* _text;
+  id _jsonObject;
+}
+@end
+
+@implementation GCDWebServerDataRequest
+
+@synthesize data=_data;
+
+- (void)dealloc {
+  ARC_RELEASE(_data);
+  ARC_RELEASE(_text);
+  ARC_RELEASE(_jsonObject);
+  
+  ARC_DEALLOC(super);
+}
+
+- (BOOL)open:(NSError**)error {
+  if (self.contentLength != NSNotFound) {
+    _data = [[NSMutableData alloc] initWithCapacity:self.contentLength];
+  } else {
+    _data = [[NSMutableData alloc] init];
+  }
+  if (_data == nil) {
+    *error = [NSError errorWithDomain:kGCDWebServerErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey: @"Failed allocating memory"}];
+    return NO;
+  }
+  return YES;
+}
+
+- (BOOL)writeData:(NSData*)data error:(NSError**)error {
+  [_data appendData:data];
+  return YES;
+}
+
+- (BOOL)close:(NSError**)error {
+  return YES;
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  if (_data) {
+    [description appendString:@"\n\n"];
+    [description appendString:GCDWebServerDescribeData(_data, self.contentType)];
+  }
+  return description;
+}
+
+@end
+
+@implementation GCDWebServerDataRequest (Extensions)
+
+- (NSString*)text {
+  if (_text == nil) {
+    if ([self.contentType hasPrefix:@"text/"]) {
+      NSString* charset = GCDWebServerExtractHeaderValueParameter(self.contentType, @"charset");
+      _text = [[NSString alloc] initWithData:self.data encoding:GCDWebServerStringEncodingFromCharset(charset)];
+    } else {
+      DNOT_REACHED();
+    }
+  }
+  return _text;
+}
+
+- (id)jsonObject {
+  if (_jsonObject == nil) {
+    if ([self.contentType isEqualToString:@"application/json"] || [self.contentType isEqualToString:@"text/json"] || [self.contentType isEqualToString:@"text/javascript"]) {
+      _jsonObject = ARC_RETAIN([NSJSONSerialization JSONObjectWithData:_data options:0 error:NULL]);
+    } else {
+      DNOT_REACHED();
+    }
+  }
+  return _jsonObject;
+}
+
+@end

GCDWebServer/Requests/GCDWebServerFileRequest.h

@@ -0,0 +1,32 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerRequest.h"
+
+@interface GCDWebServerFileRequest : GCDWebServerRequest
+@property(nonatomic, readonly) NSString* temporaryPath;
+@end

GCDWebServer/Requests/GCDWebServerFileRequest.m

@@ -0,0 +1,106 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+@interface GCDWebServerFileRequest () {
+@private
+  NSString* _temporaryPath;
+  int _file;
+}
+@end
+
+static inline NSError* _MakePosixError(int code) {
+  return [NSError errorWithDomain:NSPOSIXErrorDomain code:code userInfo:@{NSLocalizedDescriptionKey: [NSString stringWithFormat:@"%s", strerror(code)]}];
+}
+
+@implementation GCDWebServerFileRequest
+
+@synthesize temporaryPath=_temporaryPath;
+
+- (instancetype)initWithMethod:(NSString*)method url:(NSURL*)url headers:(NSDictionary*)headers path:(NSString*)path query:(NSDictionary*)query {
+  if ((self = [super initWithMethod:method url:url headers:headers path:path query:query])) {
+    _temporaryPath = ARC_RETAIN([NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]]);
+  }
+  return self;
+}
+
+- (void)dealloc {
+  unlink([_temporaryPath fileSystemRepresentation]);
+  ARC_RELEASE(_temporaryPath);
+  
+  ARC_DEALLOC(super);
+}
+
+- (BOOL)open:(NSError**)error {
+  _file = open([_temporaryPath fileSystemRepresentation], O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+  if (_file <= 0) {
+    *error = _MakePosixError(errno);
+    return NO;
+  }
+  return YES;
+}
+
+- (BOOL)writeData:(NSData*)data error:(NSError**)error {
+  if (write(_file, data.bytes, data.length) != (ssize_t)data.length) {
+    *error = _MakePosixError(errno);
+    return NO;
+  }
+  return YES;
+}
+
+- (BOOL)close:(NSError**)error {
+  if (close(_file) < 0) {
+    *error = _MakePosixError(errno);
+    return NO;
+  }
+#ifdef __GCDWEBSERVER_ENABLE_TESTING__
+  NSString* creationDateHeader = [self.headers objectForKey:@"X-GCDWebServer-CreationDate"];
+  if (creationDateHeader) {
+    NSDate* date = GCDWebServerParseISO8601(creationDateHeader);
+    if (!date || ![[NSFileManager defaultManager] setAttributes:@{NSFileCreationDate: date} ofItemAtPath:_temporaryPath error:error]) {
+      return NO;
+    }
+  }
+  NSString* modifiedDateHeader = [self.headers objectForKey:@"X-GCDWebServer-ModifiedDate"];
+  if (modifiedDateHeader) {
+    NSDate* date = GCDWebServerParseRFC822(modifiedDateHeader);
+    if (!date || ![[NSFileManager defaultManager] setAttributes:@{NSFileModificationDate: date} ofItemAtPath:_temporaryPath error:error]) {
+      return NO;
+    }
+  }
+#endif
+  return YES;
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  [description appendFormat:@"\n\n{%@}", _temporaryPath];
+  return description;
+}
+
+@end

GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.h

@@ -0,0 +1,49 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerRequest.h"
+
+@interface GCDWebServerMultiPart : NSObject
+@property(nonatomic, readonly) NSString* contentType;  // Defaults to "text/plain" per specifications if undefined
+@property(nonatomic, readonly) NSString* mimeType;
+@end
+
+@interface GCDWebServerMultiPartArgument : GCDWebServerMultiPart
+@property(nonatomic, readonly) NSData* data;
+@property(nonatomic, readonly) NSString* string;  // May be nil (only valid for text mime types)
+@end
+
+@interface GCDWebServerMultiPartFile : GCDWebServerMultiPart
+@property(nonatomic, readonly) NSString* fileName;  // May be nil
+@property(nonatomic, readonly) NSString* temporaryPath;
+@end
+
+@interface GCDWebServerMultiPartFormRequest : GCDWebServerRequest
+@property(nonatomic, readonly) NSDictionary* arguments;
+@property(nonatomic, readonly) NSDictionary* files;
++ (NSString*)mimeType;
+@end

GCDWebServer/Requests/GCDWebServerMultiPartFormRequest.m

@@ -0,0 +1,388 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+#define kMultiPartBufferSize (256 * 1024)
+
+enum {
+  kParserState_Undefined = 0,
+  kParserState_Start,
+  kParserState_Headers,
+  kParserState_Content,
+  kParserState_End
+};
+
+static NSData* _newlineData = nil;
+static NSData* _newlinesData = nil;
+static NSData* _dashNewlineData = nil;
+
+@interface GCDWebServerMultiPart () {
+@private
+  NSString* _contentType;
+  NSString* _mimeType;
+}
+@end
+
+@implementation GCDWebServerMultiPart
+
+@synthesize contentType=_contentType, mimeType=_mimeType;
+
+- (id)initWithContentType:(NSString*)contentType {
+  if ((self = [super init])) {
+    _contentType = [contentType copy];
+    _mimeType = ARC_RETAIN(GCDWebServerTruncateHeaderValue(_contentType));
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_contentType);
+  ARC_RELEASE(_mimeType);
+  
+  ARC_DEALLOC(super);
+}
+
+@end
+
+@interface GCDWebServerMultiPartArgument () {
+@private
+  NSData* _data;
+  NSString* _string;
+}
+@end
+
+@implementation GCDWebServerMultiPartArgument
+
+@synthesize data=_data, string=_string;
+
+- (id)initWithContentType:(NSString*)contentType data:(NSData*)data {
+  if ((self = [super initWithContentType:contentType])) {
+    _data = ARC_RETAIN(data);
+    
+    if ([self.contentType hasPrefix:@"text/"]) {
+      NSString* charset = GCDWebServerExtractHeaderValueParameter(self.contentType, @"charset");
+      _string = [[NSString alloc] initWithData:_data encoding:GCDWebServerStringEncodingFromCharset(charset)];
+    }
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_data);
+  ARC_RELEASE(_string);
+  
+  ARC_DEALLOC(super);
+}
+
+- (NSString*)description {
+  return [NSString stringWithFormat:@"<%@ | '%@' | %lu bytes>", [self class], self.mimeType, (unsigned long)_data.length];
+}
+
+@end
+
+@interface GCDWebServerMultiPartFile () {
+@private
+  NSString* _fileName;
+  NSString* _temporaryPath;
+}
+@end
+
+@implementation GCDWebServerMultiPartFile
+
+@synthesize fileName=_fileName, temporaryPath=_temporaryPath;
+
+- (id)initWithContentType:(NSString*)contentType fileName:(NSString*)fileName temporaryPath:(NSString*)temporaryPath {
+  if ((self = [super initWithContentType:contentType])) {
+    _fileName = [fileName copy];
+    _temporaryPath = [temporaryPath copy];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  unlink([_temporaryPath fileSystemRepresentation]);
+  
+  ARC_RELEASE(_fileName);
+  ARC_RELEASE(_temporaryPath);
+  
+  ARC_DEALLOC(super);
+}
+
+- (NSString*)description {
+  return [NSString stringWithFormat:@"<%@ | '%@' | '%@>'", [self class], self.mimeType, _fileName];
+}
+
+@end
+
+@interface GCDWebServerMultiPartFormRequest () {
+@private
+  NSData* _boundary;
+  
+  NSUInteger _parserState;
+  NSMutableData* _parserData;
+  NSString* _controlName;
+  NSString* _fileName;
+  NSString* _contentType;
+  NSString* _tmpPath;
+  int _tmpFile;
+  
+  NSMutableDictionary* _arguments;
+  NSMutableDictionary* _files;
+}
+@end
+
+@implementation GCDWebServerMultiPartFormRequest
+
+@synthesize arguments=_arguments, files=_files;
+
++ (void)initialize {
+  if (_newlineData == nil) {
+    _newlineData = [[NSData alloc] initWithBytes:"\r\n" length:2];
+    DCHECK(_newlineData);
+  }
+  if (_newlinesData == nil) {
+    _newlinesData = [[NSData alloc] initWithBytes:"\r\n\r\n" length:4];
+    DCHECK(_newlinesData);
+  }
+  if (_dashNewlineData == nil) {
+    _dashNewlineData = [[NSData alloc] initWithBytes:"--\r\n" length:4];
+    DCHECK(_dashNewlineData);
+  }
+}
+
++ (NSString*)mimeType {
+  return @"multipart/form-data";
+}
+
+- (instancetype)initWithMethod:(NSString*)method url:(NSURL*)url headers:(NSDictionary*)headers path:(NSString*)path query:(NSDictionary*)query {
+  if ((self = [super initWithMethod:method url:url headers:headers path:path query:query])) {
+    NSString* boundary = GCDWebServerExtractHeaderValueParameter(self.contentType, @"boundary");
+    if (boundary) {
+      NSData* data = [[NSString stringWithFormat:@"--%@", boundary] dataUsingEncoding:NSASCIIStringEncoding];
+      _boundary = ARC_RETAIN(data);
+    }
+    if (_boundary == nil) {
+      DNOT_REACHED();
+      ARC_RELEASE(self);
+      return nil;
+    }
+    
+    _arguments = [[NSMutableDictionary alloc] init];
+    _files = [[NSMutableDictionary alloc] init];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_arguments);
+  ARC_RELEASE(_files);
+  ARC_RELEASE(_boundary);
+  
+  ARC_DEALLOC(super);
+}
+
+- (BOOL)open:(NSError**)error {
+  _parserData = [[NSMutableData alloc] initWithCapacity:kMultiPartBufferSize];
+  _parserState = kParserState_Start;
+  return YES;
+}
+
+// http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.2
+- (BOOL)_parseData {
+  BOOL success = YES;
+  
+  if (_parserState == kParserState_Headers) {
+    NSRange range = [_parserData rangeOfData:_newlinesData options:0 range:NSMakeRange(0, _parserData.length)];
+    if (range.location != NSNotFound) {
+      
+      ARC_RELEASE(_controlName);
+      _controlName = nil;
+      ARC_RELEASE(_fileName);
+      _fileName = nil;
+      ARC_RELEASE(_contentType);
+      _contentType = nil;
+      ARC_RELEASE(_tmpPath);
+      _tmpPath = nil;
+      CFHTTPMessageRef message = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, true);
+      const char* temp = "GET / HTTP/1.0\r\n";
+      CFHTTPMessageAppendBytes(message, (const UInt8*)temp, strlen(temp));
+      CFHTTPMessageAppendBytes(message, _parserData.bytes, range.location + range.length);
+      if (CFHTTPMessageIsHeaderComplete(message)) {
+        NSString* controlName = nil;
+        NSString* fileName = nil;
+        NSDictionary* headers = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyAllHeaderFields(message));
+        NSString* contentDisposition = GCDWebServerNormalizeHeaderValue([headers objectForKey:@"Content-Disposition"]);
+        if ([GCDWebServerTruncateHeaderValue(contentDisposition) isEqualToString:@"form-data"]) {
+          controlName = GCDWebServerExtractHeaderValueParameter(contentDisposition, @"name");
+          fileName = GCDWebServerExtractHeaderValueParameter(contentDisposition, @"filename");
+        }
+        _controlName = [controlName copy];
+        _fileName = [fileName copy];
+        _contentType = ARC_RETAIN(GCDWebServerNormalizeHeaderValue([headers objectForKey:@"Content-Type"]));
+        if (_contentType == nil) {
+          _contentType = @"text/plain";
+        }
+      }
+      CFRelease(message);
+      if (_controlName) {
+        if (_fileName) {
+          NSString* path = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]];
+          _tmpFile = open([path fileSystemRepresentation], O_CREAT | O_TRUNC | O_WRONLY, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+          if (_tmpFile > 0) {
+            _tmpPath = [path copy];
+          } else {
+            DNOT_REACHED();
+            success = NO;
+          }
+        }
+      } else {
+        DNOT_REACHED();
+        success = NO;
+      }
+      
+      [_parserData replaceBytesInRange:NSMakeRange(0, range.location + range.length) withBytes:NULL length:0];
+      _parserState = kParserState_Content;
+    }
+  }
+  
+  if ((_parserState == kParserState_Start) || (_parserState == kParserState_Content)) {
+    NSRange range = [_parserData rangeOfData:_boundary options:0 range:NSMakeRange(0, _parserData.length)];
+    if (range.location != NSNotFound) {
+      NSRange subRange = NSMakeRange(range.location + range.length, _parserData.length - range.location - range.length);
+      NSRange subRange1 = [_parserData rangeOfData:_newlineData options:NSDataSearchAnchored range:subRange];
+      NSRange subRange2 = [_parserData rangeOfData:_dashNewlineData options:NSDataSearchAnchored range:subRange];
+      if ((subRange1.location != NSNotFound) || (subRange2.location != NSNotFound)) {
+        
+        if (_parserState == kParserState_Content) {
+          const void* dataBytes = _parserData.bytes;
+          NSUInteger dataLength = range.location - 2;
+          if (_tmpPath) {
+            ssize_t result = write(_tmpFile, dataBytes, dataLength);
+            if (result == (ssize_t)dataLength) {
+              if (close(_tmpFile) == 0) {
+                _tmpFile = 0;
+                GCDWebServerMultiPartFile* file = [[GCDWebServerMultiPartFile alloc] initWithContentType:_contentType fileName:_fileName temporaryPath:_tmpPath];
+                [_files setObject:file forKey:_controlName];
+                ARC_RELEASE(file);
+              } else {
+                DNOT_REACHED();
+                success = NO;
+              }
+            } else {
+              DNOT_REACHED();
+              success = NO;
+            }
+            ARC_RELEASE(_tmpPath);
+            _tmpPath = nil;
+          } else {
+            NSData* data = [[NSData alloc] initWithBytes:(void*)dataBytes length:dataLength];
+            GCDWebServerMultiPartArgument* argument = [[GCDWebServerMultiPartArgument alloc] initWithContentType:_contentType data:data];
+            [_arguments setObject:argument forKey:_controlName];
+            ARC_RELEASE(argument);
+            ARC_RELEASE(data);
+          }
+        }
+        
+        if (subRange1.location != NSNotFound) {
+          [_parserData replaceBytesInRange:NSMakeRange(0, subRange1.location + subRange1.length) withBytes:NULL length:0];
+          _parserState = kParserState_Headers;
+          success = [self _parseData];
+        } else {
+          _parserState = kParserState_End;
+        }
+      }
+    } else {
+      NSUInteger margin = 2 * _boundary.length;
+      if (_tmpPath && (_parserData.length > margin)) {
+        NSUInteger length = _parserData.length - margin;
+        ssize_t result = write(_tmpFile, _parserData.bytes, length);
+        if (result == (ssize_t)length) {
+          [_parserData replaceBytesInRange:NSMakeRange(0, length) withBytes:NULL length:0];
+        } else {
+          DNOT_REACHED();
+          success = NO;
+        }
+      }
+    }
+  }
+  return success;
+}
+
+- (BOOL)writeData:(NSData*)data error:(NSError**)error {
+  [_parserData appendBytes:data.bytes length:data.length];
+  if (![self _parseData]) {
+    *error = [NSError errorWithDomain:kGCDWebServerErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey: @"Failed parsing multipart form data"}];
+    return NO;
+  }
+  return YES;
+}
+
+- (BOOL)close:(NSError**)error {
+  ARC_RELEASE(_parserData);
+  _parserData = nil;
+  ARC_RELEASE(_controlName);
+  _controlName = nil;
+  ARC_RELEASE(_fileName);
+  _fileName = nil;
+  ARC_RELEASE(_contentType);
+  _contentType = nil;
+  if (_tmpFile > 0) {
+    close(_tmpFile);
+    unlink([_tmpPath fileSystemRepresentation]);
+    _tmpFile = 0;
+  }
+  ARC_RELEASE(_tmpPath);
+  _tmpPath = nil;
+  if (_parserState != kParserState_End) {
+    *error = [NSError errorWithDomain:kGCDWebServerErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey: @"Failed parsing multipart form data"}];
+    return NO;
+  }
+  return YES;
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  if (_arguments.count) {
+    [description appendString:@"\n"];
+    for (NSString* key in [[_arguments allKeys] sortedArrayUsingSelector:@selector(compare:)]) {
+      GCDWebServerMultiPartArgument* argument = [_arguments objectForKey:key];
+      [description appendFormat:@"\n%@ (%@)\n", key, argument.contentType];
+      [description appendString:GCDWebServerDescribeData(argument.data, argument.contentType)];
+    }
+  }
+  if (_files.count) {
+    [description appendString:@"\n"];
+    for (NSString* key in [[_files allKeys] sortedArrayUsingSelector:@selector(compare:)]) {
+      GCDWebServerMultiPartFile* file = [_files objectForKey:key];
+      [description appendFormat:@"\n%@ (%@): %@\n{%@}", key, file.contentType, file.fileName, file.temporaryPath];
+    }
+  }
+  return description;
+}
+
+@end

GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.h

@@ -0,0 +1,33 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerDataRequest.h"
+
+@interface GCDWebServerURLEncodedFormRequest : GCDWebServerDataRequest
+@property(nonatomic, readonly) NSDictionary* arguments;  // Text encoding is extracted from Content-Type or defaults to UTF-8
++ (NSString*)mimeType;
+@end

GCDWebServer/Requests/GCDWebServerURLEncodedFormRequest.m

@@ -0,0 +1,73 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+@interface GCDWebServerURLEncodedFormRequest () {
+@private
+  NSDictionary* _arguments;
+}
+@end
+
+@implementation GCDWebServerURLEncodedFormRequest
+
+@synthesize arguments=_arguments;
+
++ (NSString*)mimeType {
+  return @"application/x-www-form-urlencoded";
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_arguments);
+  
+  ARC_DEALLOC(super);
+}
+
+- (BOOL)close:(NSError**)error {
+  if (![super close:error]) {
+    return NO;
+  }
+  
+  NSString* charset = GCDWebServerExtractHeaderValueParameter(self.contentType, @"charset");
+  NSString* string = [[NSString alloc] initWithData:self.data encoding:GCDWebServerStringEncodingFromCharset(charset)];
+  _arguments = ARC_RETAIN(GCDWebServerParseURLEncodedForm(string));
+  DCHECK(_arguments);
+  ARC_RELEASE(string);
+  
+  return YES;
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  [description appendString:@"\n"];
+  for (NSString* argument in [[_arguments allKeys] sortedArrayUsingSelector:@selector(compare:)]) {
+    [description appendFormat:@"\n%@ = %@", argument, [_arguments objectForKey:argument]];
+  }
+  return description;
+}
+
+@end

GCDWebServer/Responses/GCDWebServerDataResponse.h

@@ -0,0 +1,46 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerResponse.h"
+
+@interface GCDWebServerDataResponse : GCDWebServerResponse
++ (instancetype)responseWithData:(NSData*)data contentType:(NSString*)type;
+- (instancetype)initWithData:(NSData*)data contentType:(NSString*)type;
+@end
+
+@interface GCDWebServerDataResponse (Extensions)
++ (instancetype)responseWithText:(NSString*)text;
++ (instancetype)responseWithHTML:(NSString*)html;
++ (instancetype)responseWithHTMLTemplate:(NSString*)path variables:(NSDictionary*)variables;
++ (instancetype)responseWithJSONObject:(id)object;
++ (instancetype)responseWithJSONObject:(id)object contentType:(NSString*)type;
+- (instancetype)initWithText:(NSString*)text;  // Encodes using UTF-8
+- (instancetype)initWithHTML:(NSString*)html;  // Encodes using UTF-8
+- (instancetype)initWithHTMLTemplate:(NSString*)path variables:(NSDictionary*)variables;  // Simple template system that replaces all occurences of "%variable%" with corresponding value (encodes using UTF-8)
+- (instancetype)initWithJSONObject:(id)object;
+- (instancetype)initWithJSONObject:(id)object contentType:(NSString*)type;
+@end

GCDWebServer/Responses/GCDWebServerDataResponse.m

@@ -0,0 +1,150 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+@interface GCDWebServerDataResponse () {
+@private
+  NSData* _data;
+  BOOL _done;
+}
+@end
+
+@implementation GCDWebServerDataResponse
+
++ (instancetype)responseWithData:(NSData*)data contentType:(NSString*)type {
+  return ARC_AUTORELEASE([[[self class] alloc] initWithData:data contentType:type]);
+}
+
+- (instancetype)initWithData:(NSData*)data contentType:(NSString*)type {
+  if (data == nil) {
+    DNOT_REACHED();
+    ARC_RELEASE(self);
+    return nil;
+  }
+  
+  if ((self = [super init])) {
+    _data = ARC_RETAIN(data);
+    
+    self.contentType = type;
+    self.contentLength = data.length;
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_data);
+  
+  ARC_DEALLOC(super);
+}
+
+- (NSData*)readData:(NSError**)error {
+  NSData* data;
+  if (_done) {
+    data = [NSData data];
+  } else {
+    data = _data;
+    _done = YES;
+  }
+  return data;
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  [description appendString:@"\n\n"];
+  [description appendString:GCDWebServerDescribeData(_data, self.contentType)];
+  return description;
+}
+
+@end
+
+@implementation GCDWebServerDataResponse (Extensions)
+
++ (instancetype)responseWithText:(NSString*)text {
+  return ARC_AUTORELEASE([[self alloc] initWithText:text]);
+}
+
++ (instancetype)responseWithHTML:(NSString*)html {
+  return ARC_AUTORELEASE([[self alloc] initWithHTML:html]);
+}
+
++ (instancetype)responseWithHTMLTemplate:(NSString*)path variables:(NSDictionary*)variables {
+  return ARC_AUTORELEASE([[self alloc] initWithHTMLTemplate:path variables:variables]);
+}
+
++ (instancetype)responseWithJSONObject:(id)object {
+  return ARC_AUTORELEASE([[self alloc] initWithJSONObject:object]);
+}
+
++ (instancetype)responseWithJSONObject:(id)object contentType:(NSString*)type {
+  return ARC_AUTORELEASE([[self alloc] initWithJSONObject:object contentType:type]);
+}
+
+- (instancetype)initWithText:(NSString*)text {
+  NSData* data = [text dataUsingEncoding:NSUTF8StringEncoding];
+  if (data == nil) {
+    DNOT_REACHED();
+    ARC_RELEASE(self);
+    return nil;
+  }
+  return [self initWithData:data contentType:@"text/plain; charset=utf-8"];
+}
+
+- (instancetype)initWithHTML:(NSString*)html {
+  NSData* data = [html dataUsingEncoding:NSUTF8StringEncoding];
+  if (data == nil) {
+    DNOT_REACHED();
+    ARC_RELEASE(self);
+    return nil;
+  }
+  return [self initWithData:data contentType:@"text/html; charset=utf-8"];
+}
+
+- (instancetype)initWithHTMLTemplate:(NSString*)path variables:(NSDictionary*)variables {
+  NSMutableString* html = [[NSMutableString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:NULL];
+  [variables enumerateKeysAndObjectsUsingBlock:^(NSString* key, NSString* value, BOOL* stop) {
+    [html replaceOccurrencesOfString:[NSString stringWithFormat:@"%%%@%%", key] withString:value options:0 range:NSMakeRange(0, html.length)];
+  }];
+  id response = [self initWithHTML:html];
+  ARC_RELEASE(html);
+  return response;
+}
+
+- (instancetype)initWithJSONObject:(id)object {
+  return [self initWithJSONObject:object contentType:@"application/json"];
+}
+
+- (instancetype)initWithJSONObject:(id)object contentType:(NSString*)type {
+  NSData* data = [NSJSONSerialization dataWithJSONObject:object options:0 error:NULL];
+  if (data == nil) {
+    ARC_RELEASE(self);
+    return nil;
+  }
+  return [self initWithData:data contentType:type];
+}
+
+@end

GCDWebServer/Responses/GCDWebServerErrorResponse.h

@@ -0,0 +1,41 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerDataResponse.h"
+#import "GCDWebServerHTTPStatusCodes.h"
+
+// Returns responses with an HTML body containing the error message
+@interface GCDWebServerErrorResponse : GCDWebServerDataResponse
++ (instancetype)responseWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode message:(NSString*)format, ... NS_FORMAT_FUNCTION(2,3);
++ (instancetype)responseWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode message:(NSString*)format, ... NS_FORMAT_FUNCTION(2,3);
++ (instancetype)responseWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... NS_FORMAT_FUNCTION(3,4);
++ (instancetype)responseWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... NS_FORMAT_FUNCTION(3,4);
+- (instancetype)initWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode message:(NSString*)format, ... NS_FORMAT_FUNCTION(2,3);
+- (instancetype)initWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode message:(NSString*)format, ... NS_FORMAT_FUNCTION(2,3);
+- (instancetype)initWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... NS_FORMAT_FUNCTION(3,4);
+- (instancetype)initWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... NS_FORMAT_FUNCTION(3,4);
+@end

GCDWebServer/Responses/GCDWebServerErrorResponse.m

@@ -0,0 +1,125 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+@interface GCDWebServerErrorResponse ()
+- (instancetype)initWithStatusCode:(NSInteger)statusCode underlyingError:(NSError*)underlyingError messageFormat:(NSString*)format arguments:(va_list)arguments;
+@end
+
+@implementation GCDWebServerErrorResponse
+
++ (instancetype)responseWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 400) && ((NSInteger)errorCode < 500));
+  va_list arguments;
+  va_start(arguments, format);
+  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments]);
+  va_end(arguments);
+  return response;
+}
+
++ (instancetype)responseWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 500) && ((NSInteger)errorCode < 600));
+  va_list arguments;
+  va_start(arguments, format);
+  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments]);
+  va_end(arguments);
+  return response;
+}
+
++ (instancetype)responseWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 400) && ((NSInteger)errorCode < 500));
+  va_list arguments;
+  va_start(arguments, format);
+  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments]);
+  va_end(arguments);
+  return response;
+}
+
++ (instancetype)responseWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 500) && ((NSInteger)errorCode < 600));
+  va_list arguments;
+  va_start(arguments, format);
+  GCDWebServerErrorResponse* response = ARC_AUTORELEASE([[self alloc] initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments]);
+  va_end(arguments);
+  return response;
+}
+
+static inline NSString* _EscapeHTMLString(NSString* string) {
+  return [string stringByReplacingOccurrencesOfString:@"\"" withString:@"&quot;"];
+}
+
+- (instancetype)initWithStatusCode:(NSInteger)statusCode underlyingError:(NSError*)underlyingError messageFormat:(NSString*)format arguments:(va_list)arguments {
+  NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
+  NSString* title = [NSString stringWithFormat:@"HTTP Error %i", (int)statusCode];
+  NSString* error = underlyingError ? [NSString stringWithFormat:@"[%@] %@ (%li)", underlyingError.domain, _EscapeHTMLString(underlyingError.localizedDescription), (long)underlyingError.code] : @"";
+  NSString* html = [NSString stringWithFormat:@"<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"utf-8\"><title>%@</title></head><body><h1>%@: %@</h1><h3>%@</h3></body></html>",
+                                              title, title, _EscapeHTMLString(message), error];
+  if ((self = [self initWithHTML:html])) {
+    self.statusCode = statusCode;
+  }
+  ARC_RELEASE(message);
+  return self;
+}
+
+- (instancetype)initWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 400) && ((NSInteger)errorCode < 500));
+  va_list arguments;
+  va_start(arguments, format);
+  self = [self initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments];
+  va_end(arguments);
+  return self;
+}
+
+- (instancetype)initWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 500) && ((NSInteger)errorCode < 600));
+  va_list arguments;
+  va_start(arguments, format);
+  self = [self initWithStatusCode:errorCode underlyingError:nil messageFormat:format arguments:arguments];
+  va_end(arguments);
+  return self;
+}
+
+- (instancetype)initWithClientError:(GCDWebServerClientErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 400) && ((NSInteger)errorCode < 500));
+  va_list arguments;
+  va_start(arguments, format);
+  self = [self initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments];
+  va_end(arguments);
+  return self;
+}
+
+- (instancetype)initWithServerError:(GCDWebServerServerErrorHTTPStatusCode)errorCode underlyingError:(NSError*)underlyingError message:(NSString*)format, ... {
+  DCHECK(((NSInteger)errorCode >= 500) && ((NSInteger)errorCode < 600));
+  va_list arguments;
+  va_start(arguments, format);
+  self = [self initWithStatusCode:errorCode underlyingError:underlyingError messageFormat:format arguments:arguments];
+  va_end(arguments);
+  return self;
+}
+
+@end

GCDWebServer/Responses/GCDWebServerFileResponse.h

@@ -0,0 +1,39 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerResponse.h"
+
+@interface GCDWebServerFileResponse : GCDWebServerResponse
++ (instancetype)responseWithFile:(NSString*)path;
++ (instancetype)responseWithFile:(NSString*)path isAttachment:(BOOL)attachment;
++ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range;
++ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment;
+- (instancetype)initWithFile:(NSString*)path;
+- (instancetype)initWithFile:(NSString*)path isAttachment:(BOOL)attachment;
+- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range;  // Pass [NSNotFound, 0] to disable byte range entirely, [offset, length] to enable byte range from beginning of file or [NSNotFound, -bytes] from end of file
+- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment;
+@end

GCDWebServer/Responses/GCDWebServerFileResponse.m

@@ -0,0 +1,179 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <sys/stat.h>
+
+#import "GCDWebServerPrivate.h"
+
+#define kFileReadBufferSize (32 * 1024)
+
+@interface GCDWebServerFileResponse () {
+@private
+  NSString* _path;
+  NSUInteger _offset;
+  NSUInteger _size;
+  int _file;
+}
+@end
+
+static inline NSError* _MakePosixError(int code) {
+  return [NSError errorWithDomain:NSPOSIXErrorDomain code:code userInfo:@{NSLocalizedDescriptionKey: [NSString stringWithFormat:@"%s", strerror(code)]}];
+}
+
+@implementation GCDWebServerFileResponse
+
++ (instancetype)responseWithFile:(NSString*)path {
+  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path]);
+}
+
++ (instancetype)responseWithFile:(NSString*)path isAttachment:(BOOL)attachment {
+  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path isAttachment:attachment]);
+}
+
++ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range {
+  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path byteRange:range]);
+}
+
++ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment {
+  return ARC_AUTORELEASE([[[self class] alloc] initWithFile:path byteRange:range isAttachment:attachment]);
+}
+
+- (instancetype)initWithFile:(NSString*)path {
+  return [self initWithFile:path byteRange:NSMakeRange(NSNotFound, 0) isAttachment:NO];
+}
+
+- (instancetype)initWithFile:(NSString*)path isAttachment:(BOOL)attachment {
+  return [self initWithFile:path byteRange:NSMakeRange(NSNotFound, 0) isAttachment:attachment];
+}
+
+- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range {
+  return [self initWithFile:path byteRange:range isAttachment:NO];
+}
+
+static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
+  return [NSDate dateWithTimeIntervalSince1970:((NSTimeInterval)t->tv_sec + (NSTimeInterval)t->tv_nsec / 1000000000.0)];
+}
+
+- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment {
+  struct stat info;
+  if (lstat([path fileSystemRepresentation], &info) || !(info.st_mode & S_IFREG)) {
+    DNOT_REACHED();
+    ARC_RELEASE(self);
+    return nil;
+  }
+  if (GCDWebServerIsValidByteRange(range)) {
+    if (range.location != NSNotFound) {
+      range.location = MIN(range.location, (NSUInteger)info.st_size);
+      range.length = MIN(range.length, (NSUInteger)info.st_size - range.location);
+    } else {
+      range.length = MIN(range.length, (NSUInteger)info.st_size);
+      range.location = (NSUInteger)info.st_size - range.length;
+    }
+    if (range.length == 0) {
+      ARC_RELEASE(self);
+      return nil;  // TODO: Return 416 status code and "Content-Range: bytes */{file length}" header
+    }
+  }
+  
+  if ((self = [super init])) {
+    _path = [path copy];
+    if (range.location != NSNotFound) {
+      _offset = range.location;
+      _size = range.length;
+      [self setStatusCode:kGCDWebServerHTTPStatusCode_PartialContent];
+      [self setValue:[NSString stringWithFormat:@"bytes %i-%i/%i", (int)range.location, (int)(range.location + range.length - 1), (int)info.st_size] forAdditionalHeader:@"Content-Range"];
+      LOG_DEBUG(@"Using content bytes range [%i-%i] for file \"%@\"", (int)range.location, (int)(range.location + range.length - 1), path);
+    } else {
+      _offset = 0;
+      _size = (NSUInteger)info.st_size;
+    }
+    
+    if (attachment) {  // TODO: Use http://tools.ietf.org/html/rfc5987 to encode file names with special characters instead of using lossy conversion to ISO 8859-1
+      NSData* data = [[path lastPathComponent] dataUsingEncoding:NSISOLatin1StringEncoding allowLossyConversion:YES];
+      NSString* fileName = data ? [[NSString alloc] initWithData:data encoding:NSISOLatin1StringEncoding] : nil;
+      if (fileName) {
+        [self setValue:[NSString stringWithFormat:@"attachment; filename=\"%@\"", fileName] forAdditionalHeader:@"Content-Disposition"];
+        ARC_RELEASE(fileName);
+      } else {
+        DNOT_REACHED();
+      }
+    }
+    
+    self.contentType = GCDWebServerGetMimeTypeForExtension([path pathExtension]);
+    self.contentLength = (range.location != NSNotFound ? range.length : (NSUInteger)info.st_size);
+    self.lastModifiedDate = _NSDateFromTimeSpec(&info.st_mtimespec);
+    self.eTag = [NSString stringWithFormat:@"%llu/%li/%li", info.st_ino, info.st_mtimespec.tv_sec, info.st_mtimespec.tv_nsec];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_path);
+  
+  ARC_DEALLOC(super);
+}
+
+- (BOOL)open:(NSError**)error {
+  _file = open([_path fileSystemRepresentation], O_NOFOLLOW | O_RDONLY);
+  if (_file <= 0) {
+    *error = _MakePosixError(errno);
+    return NO;
+  }
+  if (lseek(_file, _offset, SEEK_SET) != (off_t)_offset) {
+    *error = _MakePosixError(errno);
+    close(_file);
+    return NO;
+  }
+  return YES;
+}
+
+- (NSData*)readData:(NSError**)error {
+  size_t length = MIN((NSUInteger)kFileReadBufferSize, _size);
+  NSMutableData* data = [[NSMutableData alloc] initWithLength:length];
+  ssize_t result = read(_file, data.mutableBytes, length);
+  if (result < 0) {
+    *error = _MakePosixError(errno);
+    return nil;
+  }
+  if (result > 0) {
+    [data setLength:result];
+    _size -= result;
+  }
+  return ARC_AUTORELEASE(data);
+}
+
+- (void)close {
+  close(_file);
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  [description appendFormat:@"\n\n{%@}", _path];
+  return description;
+}
+
+@end

GCDWebServer/Responses/GCDWebServerStreamingResponse.h

@@ -0,0 +1,35 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerStreamingResponse.h"
+
+typedef NSData* (^GCDWebServerStreamBlock)(NSError** error);
+
+@interface GCDWebServerStreamingResponse : GCDWebServerResponse  // Automatically enables chunked transfer encoding
++ (instancetype)responseWithContentType:(NSString*)type streamBlock:(GCDWebServerStreamBlock)block;
+- (instancetype)initWithContentType:(NSString*)type streamBlock:(GCDWebServerStreamBlock)block;  // Block must return empty NSData when done or nil on error
+@end

GCDWebServer/Responses/GCDWebServerStreamingResponse.m

@@ -0,0 +1,67 @@
+/*
+ Copyright (c) 2012-2014, Pierre-Olivier Latour
+ All rights reserved.
+ 
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * The name of Pierre-Olivier Latour may not be used to endorse
+ or promote products derived from this software without specific
+ prior written permission.
+ 
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import "GCDWebServerPrivate.h"
+
+@interface GCDWebServerStreamingResponse () {
+@private
+  GCDWebServerStreamBlock _block;
+}
+@end
+
+@implementation GCDWebServerStreamingResponse
+
++ (instancetype)responseWithContentType:(NSString*)type streamBlock:(GCDWebServerStreamBlock)block {
+  return ARC_AUTORELEASE([[[self class] alloc] initWithContentType:type streamBlock:block]);
+}
+
+- (instancetype)initWithContentType:(NSString*)type streamBlock:(GCDWebServerStreamBlock)block {
+  if ((self = [super init])) {
+    _block = [block copy];
+    
+    self.contentType = type;
+  }
+  return self;
+}
+
+- (void)dealloc {
+  ARC_RELEASE(_block);
+  
+  ARC_DEALLOC(super);
+}
+
+- (NSData*)readData:(NSError**)error {
+  return _block(error);
+}
+
+- (NSString*)description {
+  NSMutableString* description = [NSMutableString stringWithString:[super description]];
+  [description appendString:@"\n\n<STREAM>"];
+  return description;
+}
+
+@end