解决 macOS 10.12 下 PAC 模式下Safari 或 Twitter 客户端 tweetbot客户端不能FQ的问题
解决 macOS 10.12 下 PAC 模式下Safari 或 Twitter 客户端 tweetbot客户端不能FQ的问题 https://github.com/qiuyuzhou/ShadowsocksX-NG/issues/30 PS 手头没有 macOS 10.12 的机器，麻烦有的请帮忙测试一下 或者可以从 https://github.com/qinyuhang/ShadowsocksX-NG/tree/webserver 下载去 Xcode build 一下
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qinyuhang
307
Pods/GCDWebServer/GCDWebServer/Core/GCDWebServerFunctions.m
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Pods/GCDWebServer/GCDWebServer/Core/GCDWebServerFunctions.m
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/*
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Copyright (c) 2012-2015, 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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#if !__has_feature(objc_arc)
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#error GCDWebServer requires ARC
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#endif
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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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#else
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#import <SystemConfiguration/SystemConfiguration.h>
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#endif
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#import <CommonCrypto/CommonDigest.h>
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#import <ifaddrs.h>
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#import <net/if.h>
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#import <netdb.h>
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#import "GCDWebServerPrivate.h"
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static NSDateFormatter* _dateFormatterRFC822 = nil;
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static NSDateFormatter* _dateFormatterISO8601 = nil;
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static dispatch_queue_t _dateFormatterQueue = NULL;
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// TODO: Handle RFC 850 and ANSI C's asctime() format
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void GCDWebServerInitializeFunctions() {
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GWS_DCHECK([NSThread isMainThread]); // NSDateFormatter should be initialized on main thread
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if (_dateFormatterRFC822 == nil) {
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_dateFormatterRFC822 = [[NSDateFormatter alloc] init];
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_dateFormatterRFC822.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
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_dateFormatterRFC822.dateFormat = @"EEE',' dd MMM yyyy HH':'mm':'ss 'GMT'";
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_dateFormatterRFC822.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];
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GWS_DCHECK(_dateFormatterRFC822);
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}
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if (_dateFormatterISO8601 == nil) {
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_dateFormatterISO8601 = [[NSDateFormatter alloc] init];
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_dateFormatterISO8601.timeZone = [NSTimeZone timeZoneWithAbbreviation:@"GMT"];
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_dateFormatterISO8601.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss'+00:00'";
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_dateFormatterISO8601.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];
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GWS_DCHECK(_dateFormatterISO8601);
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}
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if (_dateFormatterQueue == NULL) {
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_dateFormatterQueue = dispatch_queue_create(NULL, DISPATCH_QUEUE_SERIAL);
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GWS_DCHECK(_dateFormatterQueue);
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}
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}
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NSString* GCDWebServerNormalizeHeaderValue(NSString* value) {
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if (value) {
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NSRange range = [value rangeOfString:@";"]; // Assume part before ";" separator is case-insensitive
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if (range.location != NSNotFound) {
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value = [[[value substringToIndex:range.location] lowercaseString] stringByAppendingString:[value substringFromIndex:range.location]];
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} else {
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value = [value lowercaseString];
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}
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}
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return value;
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}
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NSString* GCDWebServerTruncateHeaderValue(NSString* value) {
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NSRange range = [value rangeOfString:@";"];
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return range.location != NSNotFound ? [value substringToIndex:range.location] : value;
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}
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NSString* GCDWebServerExtractHeaderValueParameter(NSString* value, NSString* name) {
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NSString* parameter = nil;
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NSScanner* scanner = [[NSScanner alloc] initWithString:value];
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[scanner setCaseSensitive:NO]; // Assume parameter names are case-insensitive
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NSString* string = [NSString stringWithFormat:@"%@=", name];
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if ([scanner scanUpToString:string intoString:NULL]) {
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[scanner scanString:string intoString:NULL];
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if ([scanner scanString:@"\"" intoString:NULL]) {
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[scanner scanUpToString:@"\"" intoString:¶meter];
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} else {
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[scanner scanUpToCharactersFromSet:[NSCharacterSet whitespaceCharacterSet] intoString:¶meter];
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}
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}
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return parameter;
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}
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// http://www.w3schools.com/tags/ref_charactersets.asp
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NSStringEncoding GCDWebServerStringEncodingFromCharset(NSString* charset) {
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NSStringEncoding encoding = kCFStringEncodingInvalidId;
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if (charset) {
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encoding = CFStringConvertEncodingToNSStringEncoding(CFStringConvertIANACharSetNameToEncoding((CFStringRef)charset));
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}
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return (encoding != kCFStringEncodingInvalidId ? encoding : NSUTF8StringEncoding);
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}
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NSString* GCDWebServerFormatRFC822(NSDate* date) {
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__block NSString* string;
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dispatch_sync(_dateFormatterQueue, ^{
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string = [_dateFormatterRFC822 stringFromDate:date];
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});
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return string;
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}
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NSDate* GCDWebServerParseRFC822(NSString* string) {
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__block NSDate* date;
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dispatch_sync(_dateFormatterQueue, ^{
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date = [_dateFormatterRFC822 dateFromString:string];
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});
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return date;
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}
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NSString* GCDWebServerFormatISO8601(NSDate* date) {
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__block NSString* string;
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dispatch_sync(_dateFormatterQueue, ^{
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string = [_dateFormatterISO8601 stringFromDate:date];
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});
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return string;
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}
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NSDate* GCDWebServerParseISO8601(NSString* string) {
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__block NSDate* date;
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dispatch_sync(_dateFormatterQueue, ^{
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date = [_dateFormatterISO8601 dateFromString:string];
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});
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return date;
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}
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BOOL GCDWebServerIsTextContentType(NSString* type) {
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return ([type hasPrefix:@"text/"] || [type hasPrefix:@"application/json"] || [type hasPrefix:@"application/xml"]);
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}
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NSString* GCDWebServerDescribeData(NSData* data, NSString* type) {
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if (GCDWebServerIsTextContentType(type)) {
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NSString* charset = GCDWebServerExtractHeaderValueParameter(type, @"charset");
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NSString* string = [[NSString alloc] initWithData:data encoding:GCDWebServerStringEncodingFromCharset(charset)];
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if (string) {
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return string;
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}
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}
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return [NSString stringWithFormat:@"<%lu bytes>", (unsigned long)data.length];
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}
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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 = [[NSDictionary alloc] initWithObjectsAndKeys:
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@"text/css", @"css",
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nil];
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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, (__bridge CFStringRef)extension, NULL);
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if (uti) {
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mimeType = CFBridgingRelease(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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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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return CFBridgingRelease(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, CFSTR(":@/?&=+"), kCFStringEncodingUTF8));
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#pragma clang diagnostic pop
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}
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NSString* GCDWebServerUnescapeURLString(NSString* string) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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return CFBridgingRelease(CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)string, CFSTR(""), kCFStringEncodingUTF8));
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#pragma clang diagnostic pop
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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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[scanner scanUpToString:@"&" intoString:&value];
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if (value == nil) {
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value = @"";
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}
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key = [key stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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NSString* unescapedKey = key ? GCDWebServerUnescapeURLString(key) : nil;
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value = [value stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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NSString* unescapedValue = value ? GCDWebServerUnescapeURLString(value) : nil;
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if (unescapedKey && unescapedValue) {
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[parameters setObject:unescapedValue forKey:unescapedKey];
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} else {
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GWS_LOG_WARNING(@"Failed parsing URL encoded form for key \"%@\" and value \"%@\"", key, value);
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GWS_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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return parameters;
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}
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NSString* GCDWebServerStringFromSockAddr(const struct sockaddr* addr, BOOL includeService) {
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NSString* string = nil;
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char hostBuffer[NI_MAXHOST];
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char serviceBuffer[NI_MAXSERV];
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if (getnameinfo(addr, addr->sa_len, hostBuffer, sizeof(hostBuffer), serviceBuffer, sizeof(serviceBuffer), NI_NUMERICHOST | NI_NUMERICSERV | NI_NOFQDN) >= 0) {
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string = includeService ? [NSString stringWithFormat:@"%s:%s", hostBuffer, serviceBuffer] : [NSString stringWithUTF8String:hostBuffer];
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} else {
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GWS_DNOT_REACHED();
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}
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return string;
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}
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NSString* GCDWebServerGetPrimaryIPAddress(BOOL useIPv6) {
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NSString* address = nil;
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#if TARGET_OS_IPHONE
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#if !TARGET_IPHONE_SIMULATOR && !TARGET_OS_TV
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const char* primaryInterface = "en0"; // WiFi interface on iOS
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#endif
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#else
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const char* primaryInterface = NULL;
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SCDynamicStoreRef store = SCDynamicStoreCreate(kCFAllocatorDefault, CFSTR("GCDWebServer"), NULL, NULL);
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if (store) {
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CFPropertyListRef info = SCDynamicStoreCopyValue(store, CFSTR("State:/Network/Global/IPv4")); // There is no equivalent for IPv6 but the primary interface should be the same
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if (info) {
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primaryInterface = [[NSString stringWithString:[(__bridge NSDictionary*)info objectForKey:@"PrimaryInterface"]] UTF8String];
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CFRelease(info);
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}
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CFRelease(store);
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}
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if (primaryInterface == NULL) {
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primaryInterface = "lo0";
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}
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#endif
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struct ifaddrs* list;
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if (getifaddrs(&list) >= 0) {
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for (struct ifaddrs* ifap = list; ifap; ifap = ifap->ifa_next) {
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#if TARGET_IPHONE_SIMULATOR || TARGET_OS_TV
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// Assume en0 is Ethernet and en1 is WiFi since there is no way to use SystemConfiguration framework in iOS Simulator
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// Assumption holds for Apple TV running tvOS
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if (strcmp(ifap->ifa_name, "en0") && strcmp(ifap->ifa_name, "en1"))
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#else
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if (strcmp(ifap->ifa_name, primaryInterface))
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#endif
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{
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continue;
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}
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if ((ifap->ifa_flags & IFF_UP) && ((!useIPv6 && (ifap->ifa_addr->sa_family == AF_INET)) || (useIPv6 && (ifap->ifa_addr->sa_family == AF_INET6)))) {
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address = GCDWebServerStringFromSockAddr(ifap->ifa_addr, NO);
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break;
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}
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}
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freeifaddrs(list);
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}
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return address;
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}
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NSString* GCDWebServerComputeMD5Digest(NSString* format, ...) {
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va_list arguments;
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va_start(arguments, format);
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const char* string = [[[NSString alloc] initWithFormat:format arguments:arguments] UTF8String];
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va_end(arguments);
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unsigned char md5[CC_MD5_DIGEST_LENGTH];
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CC_MD5(string, (CC_LONG)strlen(string), md5);
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char buffer[2 * CC_MD5_DIGEST_LENGTH + 1];
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for (int i = 0; i < CC_MD5_DIGEST_LENGTH; ++i) {
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unsigned char byte = md5[i];
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unsigned char byteHi = (byte & 0xF0) >> 4;
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buffer[2 * i + 0] = byteHi >= 10 ? 'a' + byteHi - 10 : '0' + byteHi;
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unsigned char byteLo = byte & 0x0F;
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buffer[2 * i + 1] = byteLo >= 10 ? 'a' + byteLo - 10 : '0' + byteLo;
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}
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buffer[2 * CC_MD5_DIGEST_LENGTH] = 0;
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return [NSString stringWithUTF8String:buffer];
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}
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