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
187
Pods/GCDWebServer/GCDWebServer/Responses/GCDWebServerFileResponse.m
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187
Pods/GCDWebServer/GCDWebServer/Responses/GCDWebServerFileResponse.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 <sys/stat.h>
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#import "GCDWebServerPrivate.h"
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#define kFileReadBufferSize (32 * 1024)
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@interface GCDWebServerFileResponse () {
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@private
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NSString* _path;
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NSUInteger _offset;
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NSUInteger _size;
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int _file;
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}
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@end
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@implementation GCDWebServerFileResponse
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+ (instancetype)responseWithFile:(NSString*)path {
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return [[[self class] alloc] initWithFile:path];
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}
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+ (instancetype)responseWithFile:(NSString*)path isAttachment:(BOOL)attachment {
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return [[[self class] alloc] initWithFile:path isAttachment:attachment];
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}
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+ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range {
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return [[[self class] alloc] initWithFile:path byteRange:range];
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}
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+ (instancetype)responseWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment {
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return [[[self class] alloc] initWithFile:path byteRange:range isAttachment:attachment];
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}
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- (instancetype)initWithFile:(NSString*)path {
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return [self initWithFile:path byteRange:NSMakeRange(NSUIntegerMax, 0) isAttachment:NO];
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}
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- (instancetype)initWithFile:(NSString*)path isAttachment:(BOOL)attachment {
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return [self initWithFile:path byteRange:NSMakeRange(NSUIntegerMax, 0) isAttachment:attachment];
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}
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- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range {
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return [self initWithFile:path byteRange:range isAttachment:NO];
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}
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static inline NSDate* _NSDateFromTimeSpec(const struct timespec* t) {
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return [NSDate dateWithTimeIntervalSince1970:((NSTimeInterval)t->tv_sec + (NSTimeInterval)t->tv_nsec / 1000000000.0)];
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}
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- (instancetype)initWithFile:(NSString*)path byteRange:(NSRange)range isAttachment:(BOOL)attachment {
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struct stat info;
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if (lstat([path fileSystemRepresentation], &info) || !(info.st_mode & S_IFREG)) {
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GWS_DNOT_REACHED();
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return nil;
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}
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#ifndef __LP64__
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if (info.st_size >= (off_t)4294967295) { // In 32 bit mode, we can't handle files greater than 4 GiBs (don't use "NSUIntegerMax" here to avoid potential unsigned to signed conversion issues)
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GWS_DNOT_REACHED();
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return nil;
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}
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#endif
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NSUInteger fileSize = (NSUInteger)info.st_size;
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BOOL hasByteRange = GCDWebServerIsValidByteRange(range);
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if (hasByteRange) {
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if (range.location != NSUIntegerMax) {
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range.location = MIN(range.location, fileSize);
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range.length = MIN(range.length, fileSize - range.location);
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} else {
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range.length = MIN(range.length, fileSize);
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range.location = fileSize - range.length;
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}
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if (range.length == 0) {
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return nil; // TODO: Return 416 status code and "Content-Range: bytes */{file length}" header
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}
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} else {
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range.location = 0;
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range.length = fileSize;
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}
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if ((self = [super init])) {
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_path = [path copy];
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_offset = range.location;
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_size = range.length;
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if (hasByteRange) {
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[self setStatusCode:kGCDWebServerHTTPStatusCode_PartialContent];
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[self setValue:[NSString stringWithFormat:@"bytes %lu-%lu/%lu", (unsigned long)_offset, (unsigned long)(_offset + _size - 1), (unsigned long)fileSize] forAdditionalHeader:@"Content-Range"];
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GWS_LOG_DEBUG(@"Using content bytes range [%lu-%lu] for file \"%@\"", (unsigned long)_offset, (unsigned long)(_offset + _size - 1), path);
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}
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if (attachment) {
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NSString* fileName = [path lastPathComponent];
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NSData* data = [[fileName stringByReplacingOccurrencesOfString:@"\"" withString:@""] dataUsingEncoding:NSISOLatin1StringEncoding allowLossyConversion:YES];
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NSString* lossyFileName = data ? [[NSString alloc] initWithData:data encoding:NSISOLatin1StringEncoding] : nil;
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if (lossyFileName) {
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NSString* value = [NSString stringWithFormat:@"attachment; filename=\"%@\"; filename*=UTF-8''%@", lossyFileName, GCDWebServerEscapeURLString(fileName)];
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[self setValue:value forAdditionalHeader:@"Content-Disposition"];
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} else {
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GWS_DNOT_REACHED();
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}
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}
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self.contentType = GCDWebServerGetMimeTypeForExtension([_path pathExtension]);
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self.contentLength = _size;
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self.lastModifiedDate = _NSDateFromTimeSpec(&info.st_mtimespec);
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self.eTag = [NSString stringWithFormat:@"%llu/%li/%li", info.st_ino, info.st_mtimespec.tv_sec, info.st_mtimespec.tv_nsec];
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}
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return self;
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}
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- (BOOL)open:(NSError**)error {
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_file = open([_path fileSystemRepresentation], O_NOFOLLOW | O_RDONLY);
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if (_file <= 0) {
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if (error) {
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*error = GCDWebServerMakePosixError(errno);
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}
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return NO;
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}
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if (lseek(_file, _offset, SEEK_SET) != (off_t)_offset) {
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if (error) {
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*error = GCDWebServerMakePosixError(errno);
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}
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close(_file);
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return NO;
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}
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return YES;
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}
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- (NSData*)readData:(NSError**)error {
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size_t length = MIN((NSUInteger)kFileReadBufferSize, _size);
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NSMutableData* data = [[NSMutableData alloc] initWithLength:length];
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ssize_t result = read(_file, data.mutableBytes, length);
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if (result < 0) {
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if (error) {
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*error = GCDWebServerMakePosixError(errno);
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}
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return nil;
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}
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if (result > 0) {
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[data setLength:result];
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_size -= result;
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}
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return data;
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}
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- (void)close {
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close(_file);
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}
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- (NSString*)description {
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NSMutableString* description = [NSMutableString stringWithString:[super description]];
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[description appendFormat:@"\n\n{%@}", _path];
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return description;
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}
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@end
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