mirror of
https://github.com/swisspol/GCDWebServer.git
synced 2024-10-07 16:48:03 +08:00
551 lines
19 KiB
Objective-C
551 lines
19 KiB
Objective-C
/*
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Copyright (c) 2012-2014, Pierre-Olivier Latour
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* The name of Pierre-Olivier Latour may not be used to endorse
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or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL PIERRE-OLIVIER LATOUR BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import <TargetConditionals.h>
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#if TARGET_OS_IPHONE
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#import <MobileCoreServices/MobileCoreServices.h>
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#endif
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#import <netinet/in.h>
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#import "GCDWebServerPrivate.h"
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#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
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#define kDefaultPort 80
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#else
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#define kDefaultPort 8080
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#endif
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#define kMaxPendingConnections 16
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@interface GCDWebServer () {
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@private
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NSMutableArray* _handlers;
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NSUInteger _port;
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dispatch_source_t _source;
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CFNetServiceRef _service;
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}
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@end
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@interface GCDWebServerHandler () {
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@private
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GCDWebServerMatchBlock _matchBlock;
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GCDWebServerProcessBlock _processBlock;
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}
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@end
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#if !TARGET_OS_IPHONE
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static BOOL _run;
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#endif
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#ifndef __GCDWEBSERVER_LOGGING_HEADER__
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void GCDLogMessage(long level, NSString* format, ...) {
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static const char* levelNames[] = {"DEBUG", "VERBOSE", "INFO", "WARNING", "ERROR", "EXCEPTION"};
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static long minLevel = -1;
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if (minLevel < 0) {
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const char* logLevel = getenv("logLevel");
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minLevel = logLevel ? atoi(logLevel) : 0;
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}
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if (level >= minLevel) {
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va_list arguments;
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va_start(arguments, format);
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NSString* message = [[NSString alloc] initWithFormat:format arguments:arguments];
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va_end(arguments);
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fprintf(stderr, "[%s] %s\n", levelNames[level], [message UTF8String]);
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ARC_RELEASE(message);
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}
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}
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#endif
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NSString* GCDWebServerGetMimeTypeForExtension(NSString* extension) {
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static NSDictionary* _overrides = nil;
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if (_overrides == nil) {
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_overrides = @{
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@"css": @"text/css"
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};
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}
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NSString* mimeType = nil;
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extension = [extension lowercaseString];
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if (extension.length) {
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mimeType = [_overrides objectForKey:extension];
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if (mimeType == nil) {
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CFStringRef uti = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (ARC_BRIDGE CFStringRef)extension, NULL);
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if (uti) {
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mimeType = ARC_BRIDGE_RELEASE(UTTypeCopyPreferredTagWithClass(uti, kUTTagClassMIMEType));
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CFRelease(uti);
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}
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}
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}
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return mimeType ? mimeType : kGCDWebServerDefaultMimeType;
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}
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NSString* GCDWebServerEscapeURLString(NSString* string) {
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return ARC_BRIDGE_RELEASE(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, CFSTR(":@/?&=+"), kCFStringEncodingUTF8));
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}
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NSString* GCDWebServerUnescapeURLString(NSString* string) {
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return ARC_BRIDGE_RELEASE(CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""), kCFStringEncodingUTF8));
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}
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NSDictionary* GCDWebServerParseURLEncodedForm(NSString* form) {
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NSMutableDictionary* parameters = [NSMutableDictionary dictionary];
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NSScanner* scanner = [[NSScanner alloc] initWithString:form];
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[scanner setCharactersToBeSkipped:nil];
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while (1) {
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NSString* key = nil;
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if (![scanner scanUpToString:@"=" intoString:&key] || [scanner isAtEnd]) {
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break;
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}
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[scanner setScanLocation:([scanner scanLocation] + 1)];
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NSString* value = nil;
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if (![scanner scanUpToString:@"&" intoString:&value]) {
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break;
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}
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key = [key stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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value = [value stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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if (key && value) {
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[parameters setObject:GCDWebServerUnescapeURLString(value) forKey:GCDWebServerUnescapeURLString(key)];
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} else {
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DNOT_REACHED();
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}
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if ([scanner isAtEnd]) {
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break;
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}
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[scanner setScanLocation:([scanner scanLocation] + 1)];
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}
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ARC_RELEASE(scanner);
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return parameters;
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}
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#if !TARGET_OS_IPHONE
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static void _SignalHandler(int signal) {
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_run = NO;
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printf("\n");
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}
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#endif
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@implementation GCDWebServerHandler
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@synthesize matchBlock=_matchBlock, processBlock=_processBlock;
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- (id)initWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)processBlock {
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if ((self = [super init])) {
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_matchBlock = [matchBlock copy];
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_processBlock = [processBlock copy];
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}
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return self;
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}
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- (void)dealloc {
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ARC_RELEASE(_matchBlock);
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ARC_RELEASE(_processBlock);
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ARC_DEALLOC(super);
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}
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@end
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@implementation GCDWebServer
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@synthesize handlers=_handlers, port=_port;
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+ (void)initialize {
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[GCDWebServerConnection class]; // Initialize class immediately to make sure it happens on the main thread
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}
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- (id)init {
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if ((self = [super init])) {
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_handlers = [[NSMutableArray alloc] init];
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}
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return self;
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}
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- (void)dealloc {
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if (_source) {
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[self stop];
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}
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ARC_RELEASE(_handlers);
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ARC_DEALLOC(super);
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}
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- (NSString*)bonjourName {
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CFStringRef name = _service ? CFNetServiceGetName(_service) : NULL;
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return name && CFStringGetLength(name) ? ARC_BRIDGE_RELEASE(CFStringCreateCopy(kCFAllocatorDefault, name)) : nil;
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}
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- (void)addHandlerWithMatchBlock:(GCDWebServerMatchBlock)matchBlock processBlock:(GCDWebServerProcessBlock)handlerBlock {
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DCHECK(_source == NULL);
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GCDWebServerHandler* handler = [[GCDWebServerHandler alloc] initWithMatchBlock:matchBlock processBlock:handlerBlock];
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[_handlers insertObject:handler atIndex:0];
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ARC_RELEASE(handler);
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}
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- (void)removeAllHandlers {
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DCHECK(_source == NULL);
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[_handlers removeAllObjects];
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}
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- (BOOL)start {
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return [self startWithPort:kDefaultPort bonjourName:@""];
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}
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static void _NetServiceClientCallBack(CFNetServiceRef service, CFStreamError* error, void* info) {
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@autoreleasepool {
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if (error->error) {
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LOG_ERROR(@"Bonjour error %i (domain %i)", (int)error->error, (int)error->domain);
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} else {
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LOG_VERBOSE(@"Registered Bonjour service \"%@\" in domain \"%@\" with type '%@' on port %i", CFNetServiceGetName(service), CFNetServiceGetDomain(service), CFNetServiceGetType(service), (int)CFNetServiceGetPortNumber(service));
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}
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}
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}
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- (BOOL)startWithPort:(NSUInteger)port bonjourName:(NSString*)name {
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DCHECK(_source == NULL);
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int listeningSocket = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (listeningSocket > 0) {
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int yes = 1;
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setsockopt(listeningSocket, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
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setsockopt(listeningSocket, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes));
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struct sockaddr_in addr4;
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bzero(&addr4, sizeof(addr4));
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addr4.sin_len = sizeof(addr4);
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addr4.sin_family = AF_INET;
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addr4.sin_port = htons(port);
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addr4.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(listeningSocket, (void*)&addr4, sizeof(addr4)) == 0) {
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if (listen(listeningSocket, kMaxPendingConnections) == 0) {
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_source = dispatch_source_create(DISPATCH_SOURCE_TYPE_READ, listeningSocket, 0, kGCDWebServerGCDQueue);
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dispatch_source_set_cancel_handler(_source, ^{
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@autoreleasepool {
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int result = close(listeningSocket);
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if (result != 0) {
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LOG_ERROR(@"Failed closing socket (%i): %s", errno, strerror(errno));
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} else {
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LOG_DEBUG(@"Closed listening socket");
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}
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}
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});
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dispatch_source_set_event_handler(_source, ^{
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@autoreleasepool {
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struct sockaddr addr;
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socklen_t addrlen = sizeof(addr);
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int socket = accept(listeningSocket, &addr, &addrlen);
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if (socket > 0) {
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int yes = 1;
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setsockopt(socket, SOL_SOCKET, SO_NOSIGPIPE, &yes, sizeof(yes)); // Make sure this socket cannot generate SIG_PIPE
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NSData* data = [NSData dataWithBytes:&addr length:addrlen];
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Class connectionClass = [[self class] connectionClass];
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GCDWebServerConnection* connection = [[connectionClass alloc] initWithServer:self address:data socket:socket]; // Connection will automatically retain itself while opened
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#if __has_feature(objc_arc)
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[connection self]; // Prevent compiler from complaining about unused variable / useless statement
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#else
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[connection release];
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#endif
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} else {
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LOG_ERROR(@"Failed accepting socket (%i): %s", errno, strerror(errno));
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}
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}
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});
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if (port == 0) { // Determine the actual port we are listening on
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struct sockaddr addr;
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socklen_t addrlen = sizeof(addr);
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if (getsockname(listeningSocket, &addr, &addrlen) == 0) {
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struct sockaddr_in* sockaddr = (struct sockaddr_in*)&addr;
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_port = ntohs(sockaddr->sin_port);
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} else {
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LOG_ERROR(@"Failed retrieving socket address (%i): %s", errno, strerror(errno));
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}
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} else {
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_port = port;
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}
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if (name) {
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_service = CFNetServiceCreate(kCFAllocatorDefault, CFSTR("local."), CFSTR("_http._tcp"), (ARC_BRIDGE CFStringRef)name, (SInt32)_port);
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if (_service) {
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CFNetServiceClientContext context = {0, (ARC_BRIDGE void*)self, NULL, NULL, NULL};
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CFNetServiceSetClient(_service, _NetServiceClientCallBack, &context);
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CFNetServiceScheduleWithRunLoop(_service, CFRunLoopGetMain(), kCFRunLoopCommonModes);
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CFStreamError error = {0};
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CFNetServiceRegisterWithOptions(_service, 0, &error);
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} else {
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LOG_ERROR(@"Failed creating CFNetService");
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}
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}
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dispatch_resume(_source);
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LOG_VERBOSE(@"%@ started on port %i", [self class], (int)_port);
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} else {
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LOG_ERROR(@"Failed listening on socket (%i): %s", errno, strerror(errno));
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close(listeningSocket);
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}
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} else {
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LOG_ERROR(@"Failed binding socket (%i): %s", errno, strerror(errno));
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close(listeningSocket);
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}
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} else {
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LOG_ERROR(@"Failed creating socket (%i): %s", errno, strerror(errno));
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}
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return (_source ? YES : NO);
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}
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- (BOOL)isRunning {
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return (_source ? YES : NO);
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}
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- (void)stop {
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DCHECK(_source != NULL);
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if (_source) {
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if (_service) {
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CFNetServiceUnscheduleFromRunLoop(_service, CFRunLoopGetMain(), kCFRunLoopCommonModes);
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CFNetServiceSetClient(_service, NULL, NULL);
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CFRelease(_service);
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_service = NULL;
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}
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dispatch_source_cancel(_source); // This will close the socket
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ARC_DISPATCH_RELEASE(_source);
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_source = NULL;
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LOG_VERBOSE(@"%@ stopped", [self class]);
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}
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_port = 0;
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}
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@end
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@implementation GCDWebServer (Subclassing)
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+ (Class)connectionClass {
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return [GCDWebServerConnection class];
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}
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+ (NSString*)serverName {
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return NSStringFromClass(self);
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}
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@end
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#if !TARGET_OS_IPHONE
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@implementation GCDWebServer (Extensions)
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- (BOOL)runWithPort:(NSUInteger)port {
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BOOL success = NO;
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_run = YES;
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void (*handler)(int) = signal(SIGINT, _SignalHandler);
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if (handler != SIG_ERR) {
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if ([self startWithPort:port bonjourName:@""]) {
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while (_run) {
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CFRunLoopRunInMode(kCFRunLoopDefaultMode, 1.0, true);
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}
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[self stop];
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success = YES;
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}
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signal(SIGINT, handler);
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}
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return success;
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}
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@end
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#endif
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@implementation GCDWebServer (Handlers)
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- (void)addDefaultHandlerForMethod:(NSString*)method requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block {
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[self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
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return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
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} processBlock:block];
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}
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- (void)addHandlerForMethod:(NSString*)method path:(NSString*)path requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block {
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if ([path hasPrefix:@"/"] && [aClass isSubclassOfClass:[GCDWebServerRequest class]]) {
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[self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
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if (![requestMethod isEqualToString:method]) {
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return nil;
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}
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if ([urlPath caseInsensitiveCompare:path] != NSOrderedSame) {
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return nil;
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}
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return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
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} processBlock:block];
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} else {
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DNOT_REACHED();
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}
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}
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- (void)addHandlerForMethod:(NSString*)method pathRegex:(NSString*)regex requestClass:(Class)aClass processBlock:(GCDWebServerProcessBlock)block {
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NSRegularExpression* expression = [NSRegularExpression regularExpressionWithPattern:regex options:NSRegularExpressionCaseInsensitive error:NULL];
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if (expression && [aClass isSubclassOfClass:[GCDWebServerRequest class]]) {
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[self addHandlerWithMatchBlock:^GCDWebServerRequest *(NSString* requestMethod, NSURL* requestURL, NSDictionary* requestHeaders, NSString* urlPath, NSDictionary* urlQuery) {
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if (![requestMethod isEqualToString:method]) {
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return nil;
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}
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if ([expression firstMatchInString:urlPath options:0 range:NSMakeRange(0, urlPath.length)] == nil) {
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return nil;
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}
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return ARC_AUTORELEASE([[aClass alloc] initWithMethod:requestMethod url:requestURL headers:requestHeaders path:urlPath query:urlQuery]);
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} processBlock:block];
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} else {
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DNOT_REACHED();
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}
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}
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@end
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@implementation GCDWebServer (GETHandlers)
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- (void)addGETHandlerForPath:(NSString*)path staticData:(NSData*)staticData contentType:(NSString*)contentType cacheAge:(NSUInteger)cacheAge {
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GCDWebServerResponse* response = [GCDWebServerDataResponse responseWithData:staticData contentType:contentType];
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response.cacheControlMaxAge = cacheAge;
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[self addHandlerForMethod:@"GET" path:path requestClass:[GCDWebServerRequest class] processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
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return response;
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}];
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}
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- (void)addGETHandlerForPath:(NSString*)path filePath:(NSString*)filePath isAttachment:(BOOL)isAttachment cacheAge:(NSUInteger)cacheAge allowRangeRequests:(BOOL)allowRangeRequests {
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[self addHandlerForMethod:@"GET" path:path requestClass:[GCDWebServerRequest class] processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
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GCDWebServerResponse* response = nil;
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if (allowRangeRequests) {
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response = [GCDWebServerFileResponse responseWithFile:filePath byteRange:request.byteRange isAttachment:isAttachment];
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[response setValue:@"bytes" forAdditionalHeader:@"Accept-Ranges"];
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} else {
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response = [GCDWebServerFileResponse responseWithFile:filePath isAttachment:isAttachment];
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}
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response.cacheControlMaxAge = cacheAge;
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return response;
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}];
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}
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- (GCDWebServerResponse*)_responseWithContentsOfDirectory:(NSString*)path {
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NSDirectoryEnumerator* enumerator = [[NSFileManager defaultManager] enumeratorAtPath:path];
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if (enumerator == nil) {
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return nil;
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}
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NSMutableString* html = [NSMutableString string];
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[html appendString:@"<!DOCTYPE html>\n"];
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[html appendString:@"<html><head><meta charset=\"utf-8\"></head><body>\n"];
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[html appendString:@"<ul>\n"];
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for (NSString* file in enumerator) {
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if (![file hasPrefix:@"."]) {
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NSString* type = [[enumerator fileAttributes] objectForKey:NSFileType];
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NSString* escapedFile = [file stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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DCHECK(escapedFile);
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if ([type isEqualToString:NSFileTypeRegular]) {
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[html appendFormat:@"<li><a href=\"%@\">%@</a></li>\n", escapedFile, file];
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} else if ([type isEqualToString:NSFileTypeDirectory]) {
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[html appendFormat:@"<li><a href=\"%@/\">%@/</a></li>\n", escapedFile, file];
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}
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}
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[enumerator skipDescendents];
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}
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[html appendString:@"</ul>\n"];
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|
[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)
|
|
__unsafe_unretained GCDWebServer* server = self;
|
|
#else
|
|
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:404];
|
|
}
|
|
return response;
|
|
|
|
}];
|
|
} else {
|
|
DNOT_REACHED();
|
|
}
|
|
}
|
|
|
|
@end
|