1205 lines
45 KiB
Objective-C
Executable file
1205 lines
45 KiB
Objective-C
Executable file
// AFHTTPClient.m
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//
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// Copyright (c) 2011 Gowalla (http://gowalla.com/)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import <Foundation/Foundation.h>
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#import "AFHTTPClient.h"
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#import "AFHTTPRequestOperation.h"
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#import "AFJSONUtilities.h"
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#import <Availability.h>
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#if __IPHONE_OS_VERSION_MIN_REQUIRED
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#import <UIKit/UIKit.h>
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#import <MobileCoreServices/MobileCoreServices.h>
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#else
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#import <CoreServices/CoreServices.h>
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#endif
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#ifdef _SYSTEMCONFIGURATION_H
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#import <SystemConfiguration/SystemConfiguration.h>
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#import <netinet/in.h>
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#import <netinet6/in6.h>
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#import <arpa/inet.h>
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#import <ifaddrs.h>
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#import <netdb.h>
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#endif
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NSString * const AFNetworkingReachabilityDidChangeNotification = @"com.alamofire.networking.reachability.change";
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@interface AFStreamingMultipartFormData : NSObject <AFStreamingMultipartFormData>
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- (id)initWithURLRequest:(NSMutableURLRequest *)request
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stringEncoding:(NSStringEncoding)encoding;
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- (NSMutableURLRequest *)requestByFinalizingMultipartFormData;
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@end
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@interface AFMultipartBodyStream : NSInputStream <NSStreamDelegate>
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- (id)initWithStringEncoding:(NSStringEncoding)encoding;
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- (BOOL)addFileFromURL:(NSURL *)fileURL name:(NSString *)name error:(NSError **)error;
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- (void)addFormData:(NSData *)data name:(NSString *)name;
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- (BOOL)empty;
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- (NSUInteger)contentLength;
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@end
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#pragma mark -
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#ifdef _SYSTEMCONFIGURATION_H
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typedef SCNetworkReachabilityRef AFNetworkReachabilityRef;
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typedef void (^AFNetworkReachabilityStatusBlock)(AFNetworkReachabilityStatus status);
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#else
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typedef id AFNetworkReachabilityRef;
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#endif
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typedef void (^AFCompletionBlock)(void);
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static NSString * AFBase64EncodedStringFromString(NSString *string) {
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NSData *data = [NSData dataWithBytes:[string UTF8String] length:[string lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];
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NSUInteger length = [data length];
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NSMutableData *mutableData = [NSMutableData dataWithLength:((length + 2) / 3) * 4];
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uint8_t *input = (uint8_t *)[data bytes];
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uint8_t *output = (uint8_t *)[mutableData mutableBytes];
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for (NSUInteger i = 0; i < length; i += 3) {
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NSUInteger value = 0;
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for (NSUInteger j = i; j < (i + 3); j++) {
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value <<= 8;
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if (j < length) {
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value |= (0xFF & input[j]);
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}
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}
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static uint8_t const kAFBase64EncodingTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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NSUInteger idx = (i / 3) * 4;
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output[idx + 0] = kAFBase64EncodingTable[(value >> 18) & 0x3F];
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output[idx + 1] = kAFBase64EncodingTable[(value >> 12) & 0x3F];
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output[idx + 2] = (i + 1) < length ? kAFBase64EncodingTable[(value >> 6) & 0x3F] : '=';
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output[idx + 3] = (i + 2) < length ? kAFBase64EncodingTable[(value >> 0) & 0x3F] : '=';
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}
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return [[[NSString alloc] initWithData:mutableData encoding:NSASCIIStringEncoding] autorelease];
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}
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NSString * AFURLEncodedStringFromStringWithEncoding(NSString *string, NSStringEncoding encoding) {
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static NSString * const kAFLegalCharactersToBeEscaped = @"?!@#$^&%*+=,:;'\"`<>()[]{}/\\|~ ";
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return [(NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, (CFStringRef)kAFLegalCharactersToBeEscaped, CFStringConvertNSStringEncodingToEncoding(encoding)) autorelease];
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}
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#pragma mark -
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@interface AFQueryStringComponent : NSObject {
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@private
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NSString *_key;
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NSString *_value;
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}
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@property (readwrite, nonatomic, retain) id key;
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@property (readwrite, nonatomic, retain) id value;
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- (id)initWithKey:(id)key value:(id)value;
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- (NSString *)URLEncodedStringValueWithEncoding:(NSStringEncoding)stringEncoding;
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@end
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@implementation AFQueryStringComponent
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@synthesize key = _key;
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@synthesize value = _value;
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- (id)initWithKey:(id)key value:(id)value {
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self = [super init];
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if (!self) {
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return nil;
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}
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self.key = key;
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self.value = value;
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return self;
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}
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- (void)dealloc {
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[_key release];
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[_value release];
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[super dealloc];
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}
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- (NSString *)URLEncodedStringValueWithEncoding:(NSStringEncoding)stringEncoding {
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return [NSString stringWithFormat:@"%@=%@", self.key, AFURLEncodedStringFromStringWithEncoding([self.value description], stringEncoding)];
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}
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@end
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#pragma mark -
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extern NSArray * AFQueryStringComponentsFromKeyAndValue(NSString *key, id value);
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extern NSArray * AFQueryStringComponentsFromKeyAndDictionaryValue(NSString *key, NSDictionary *value);
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extern NSArray * AFQueryStringComponentsFromKeyAndArrayValue(NSString *key, NSArray *value);
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NSString * AFQueryStringFromParametersWithEncoding(NSDictionary *parameters, NSStringEncoding stringEncoding) {
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NSMutableArray *mutableComponents = [NSMutableArray array];
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for (AFQueryStringComponent *component in AFQueryStringComponentsFromKeyAndValue(nil, parameters)) {
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[mutableComponents addObject:[component URLEncodedStringValueWithEncoding:stringEncoding]];
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}
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return [mutableComponents componentsJoinedByString:@"&"];
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}
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NSArray * AFQueryStringComponentsFromKeyAndValue(NSString *key, id value) {
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NSMutableArray *mutableQueryStringComponents = [NSMutableArray array];
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if([value isKindOfClass:[NSDictionary class]]) {
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[mutableQueryStringComponents addObjectsFromArray:AFQueryStringComponentsFromKeyAndDictionaryValue(key, value)];
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} else if([value isKindOfClass:[NSArray class]]) {
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[mutableQueryStringComponents addObjectsFromArray:AFQueryStringComponentsFromKeyAndArrayValue(key, value)];
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} else {
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[mutableQueryStringComponents addObject:[[[AFQueryStringComponent alloc] initWithKey:key value:value] autorelease]];
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}
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return mutableQueryStringComponents;
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}
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NSArray * AFQueryStringComponentsFromKeyAndDictionaryValue(NSString *key, NSDictionary *value){
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NSMutableArray *mutableQueryStringComponents = [NSMutableArray array];
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[value enumerateKeysAndObjectsUsingBlock:^(id nestedKey, id nestedValue, BOOL *stop) {
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[mutableQueryStringComponents addObjectsFromArray:AFQueryStringComponentsFromKeyAndValue((key ? [NSString stringWithFormat:@"%@[%@]", key, nestedKey] : nestedKey), nestedValue)];
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}];
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return mutableQueryStringComponents;
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}
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NSArray * AFQueryStringComponentsFromKeyAndArrayValue(NSString *key, NSArray *value) {
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NSMutableArray *mutableQueryStringComponents = [NSMutableArray array];
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[value enumerateObjectsUsingBlock:^(id nestedValue, NSUInteger idx, BOOL *stop) {
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[mutableQueryStringComponents addObjectsFromArray:AFQueryStringComponentsFromKeyAndValue([NSString stringWithFormat:@"%@[]", key], nestedValue)];
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}];
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return mutableQueryStringComponents;
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}
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static NSString * AFJSONStringFromParameters(NSDictionary *parameters) {
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NSError *error = nil;
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NSData *JSONData = AFJSONEncode(parameters, &error);
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if (!error) {
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return [[[NSString alloc] initWithData:JSONData encoding:NSUTF8StringEncoding] autorelease];
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} else {
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return nil;
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}
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}
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static NSString * AFPropertyListStringFromParameters(NSDictionary *parameters) {
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NSString *propertyListString = nil;
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NSError *error = nil;
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NSData *propertyListData = [NSPropertyListSerialization dataWithPropertyList:parameters format:NSPropertyListXMLFormat_v1_0 options:0 error:&error];
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if (!error) {
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propertyListString = [[[NSString alloc] initWithData:propertyListData encoding:NSUTF8StringEncoding] autorelease];
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}
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return propertyListString;
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}
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@interface AFHTTPClient ()
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@property (readwrite, nonatomic, retain) NSURL *baseURL;
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@property (readwrite, nonatomic, retain) NSMutableArray *registeredHTTPOperationClassNames;
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@property (readwrite, nonatomic, retain) NSMutableDictionary *defaultHeaders;
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@property (readwrite, nonatomic, retain) NSOperationQueue *operationQueue;
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#ifdef _SYSTEMCONFIGURATION_H
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@property (readwrite, nonatomic, assign) AFNetworkReachabilityRef networkReachability;
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@property (readwrite, nonatomic, assign) AFNetworkReachabilityStatus networkReachabilityStatus;
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@property (readwrite, nonatomic, copy) AFNetworkReachabilityStatusBlock networkReachabilityStatusBlock;
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#endif
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#ifdef _SYSTEMCONFIGURATION_H
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- (void)startMonitoringNetworkReachability;
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- (void)stopMonitoringNetworkReachability;
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#endif
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@end
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@implementation AFHTTPClient
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@synthesize baseURL = _baseURL;
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@synthesize stringEncoding = _stringEncoding;
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@synthesize parameterEncoding = _parameterEncoding;
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@synthesize registeredHTTPOperationClassNames = _registeredHTTPOperationClassNames;
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@synthesize defaultHeaders = _defaultHeaders;
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@synthesize operationQueue = _operationQueue;
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#ifdef _SYSTEMCONFIGURATION_H
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@synthesize networkReachability = _networkReachability;
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@synthesize networkReachabilityStatus = _networkReachabilityStatus;
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@synthesize networkReachabilityStatusBlock = _networkReachabilityStatusBlock;
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#endif
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+ (AFHTTPClient *)clientWithBaseURL:(NSURL *)url {
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return [[[self alloc] initWithBaseURL:url] autorelease];
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}
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- (id)initWithBaseURL:(NSURL *)url {
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self = [super init];
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if (!self) {
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return nil;
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}
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// Ensure terminal slash for baseURL path, so that NSURL +URLWithString:relativeToURL: works as expected
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if ([[url path] length] > 0 && ![[url absoluteString] hasSuffix:@"/"]) {
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url = [url URLByAppendingPathComponent:@""];
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}
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self.baseURL = url;
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self.stringEncoding = NSUTF8StringEncoding;
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self.parameterEncoding = AFFormURLParameterEncoding;
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self.registeredHTTPOperationClassNames = [NSMutableArray array];
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self.defaultHeaders = [NSMutableDictionary dictionary];
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// Accept-Encoding HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.3
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[self setDefaultHeader:@"Accept-Encoding" value:@"gzip"];
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// Accept-Language HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
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NSString *preferredLanguageCodes = [[NSLocale preferredLanguages] componentsJoinedByString:@", "];
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[self setDefaultHeader:@"Accept-Language" value:[NSString stringWithFormat:@"%@, en-us;q=0.8", preferredLanguageCodes]];
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#if __IPHONE_OS_VERSION_MIN_REQUIRED
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// User-Agent Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.43
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[self setDefaultHeader:@"User-Agent" value:[NSString stringWithFormat:@"%@/%@ (%@, %@ %@, %@, Scale/%f)", [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleIdentifierKey], [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleVersionKey], @"unknown", [[UIDevice currentDevice] systemName], [[UIDevice currentDevice] systemVersion], [[UIDevice currentDevice] model], ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] ? [[UIScreen mainScreen] scale] : 1.0)]];
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#elif __MAC_OS_X_VERSION_MIN_REQUIRED
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[self setDefaultHeader:@"User-Agent" value:[NSString stringWithFormat:@"%@/%@ (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleIdentifierKey], [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString *)kCFBundleVersionKey], @"unknown"]];
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#endif
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#ifdef _SYSTEMCONFIGURATION_H
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self.networkReachabilityStatus = AFNetworkReachabilityStatusUnknown;
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[self startMonitoringNetworkReachability];
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#endif
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self.operationQueue = [[[NSOperationQueue alloc] init] autorelease];
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[self.operationQueue setMaxConcurrentOperationCount:NSOperationQueueDefaultMaxConcurrentOperationCount];
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return self;
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}
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- (void)dealloc {
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#ifdef _SYSTEMCONFIGURATION_H
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[self stopMonitoringNetworkReachability];
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[_networkReachabilityStatusBlock release];
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#endif
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[_baseURL release];
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[_registeredHTTPOperationClassNames release];
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[_defaultHeaders release];
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[_operationQueue release];
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[super dealloc];
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"<%@: %p, baseURL: %@, defaultHeaders: %@, registeredOperationClasses: %@, operationQueue: %@>", NSStringFromClass([self class]), self, [self.baseURL absoluteString], self.defaultHeaders, self.registeredHTTPOperationClassNames, self.operationQueue];
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}
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#pragma mark -
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#ifdef _SYSTEMCONFIGURATION_H
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static BOOL AFURLHostIsIPAddress(NSURL *url) {
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struct sockaddr_in sa_in;
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struct sockaddr_in6 sa_in6;
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return [url host] && (inet_pton(AF_INET, [[url host] UTF8String], &sa_in) == 1 || inet_pton(AF_INET6, [[url host] UTF8String], &sa_in6) == 1);
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}
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static AFNetworkReachabilityStatus AFNetworkReachabilityStatusForFlags(SCNetworkReachabilityFlags flags) {
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BOOL isReachable = ((flags & kSCNetworkReachabilityFlagsReachable) != 0);
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BOOL needsConnection = ((flags & kSCNetworkReachabilityFlagsConnectionRequired) != 0);
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BOOL isNetworkReachable = (isReachable && !needsConnection);
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AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusUnknown;
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if(isNetworkReachable == NO){
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status = AFNetworkReachabilityStatusNotReachable;
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}
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#if TARGET_OS_IPHONE
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else if((flags & kSCNetworkReachabilityFlagsIsWWAN) != 0){
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status = AFNetworkReachabilityStatusReachableViaWWAN;
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}
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#endif
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else {
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status = AFNetworkReachabilityStatusReachableViaWiFi;
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}
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return status;
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}
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static void AFNetworkReachabilityCallback(SCNetworkReachabilityRef __unused target, SCNetworkReachabilityFlags flags, void *info) {
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AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusForFlags(flags);
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AFNetworkReachabilityStatusBlock block = (AFNetworkReachabilityStatusBlock)info;
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if (block) {
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block(status);
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}
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[[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingReachabilityDidChangeNotification object:[NSNumber numberWithInt:status]];
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}
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static const void * AFNetworkReachabilityRetainCallback(const void *info) {
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return [(AFNetworkReachabilityStatusBlock)info copy];
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}
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static void AFNetworkReachabilityReleaseCallback(const void *info) {
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[(AFNetworkReachabilityStatusBlock)info release];
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}
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- (void)startMonitoringNetworkReachability {
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[self stopMonitoringNetworkReachability];
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if (!self.baseURL) {
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return;
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}
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self.networkReachability = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, [[self.baseURL host] UTF8String]);
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AFNetworkReachabilityStatusBlock callback = ^(AFNetworkReachabilityStatus status){
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self.networkReachabilityStatus = status;
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if (self.networkReachabilityStatusBlock) {
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self.networkReachabilityStatusBlock(status);
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}
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};
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SCNetworkReachabilityContext context = {0, callback, AFNetworkReachabilityRetainCallback, AFNetworkReachabilityReleaseCallback, NULL};
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SCNetworkReachabilitySetCallback(self.networkReachability, AFNetworkReachabilityCallback, &context);
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SCNetworkReachabilityScheduleWithRunLoop(self.networkReachability, CFRunLoopGetMain(), (CFStringRef)NSRunLoopCommonModes);
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/* Network reachability monitoring does not establish a baseline for IP addresses as it does for hostnames, so if the base URL host is an IP address, the initial reachability callback is manually triggered.
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*/
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if (AFURLHostIsIPAddress(self.baseURL)) {
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SCNetworkReachabilityFlags flags;
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SCNetworkReachabilityGetFlags(self.networkReachability, &flags);
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dispatch_async(dispatch_get_main_queue(), ^{
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AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusForFlags(flags);
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callback(status);
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});
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}
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}
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- (void)stopMonitoringNetworkReachability {
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if (_networkReachability) {
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SCNetworkReachabilityUnscheduleFromRunLoop(_networkReachability, CFRunLoopGetMain(), (CFStringRef)NSRunLoopCommonModes);
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CFRelease(_networkReachability);
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}
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}
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- (void)setReachabilityStatusChangeBlock:(void (^)(AFNetworkReachabilityStatus status))block {
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self.networkReachabilityStatusBlock = block;
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}
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#endif
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#pragma mark -
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- (BOOL)registerHTTPOperationClass:(Class)operationClass {
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if (![operationClass isSubclassOfClass:[AFHTTPRequestOperation class]]) {
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return NO;
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}
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NSString *className = NSStringFromClass(operationClass);
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[self.registeredHTTPOperationClassNames removeObject:className];
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[self.registeredHTTPOperationClassNames insertObject:className atIndex:0];
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return YES;
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}
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- (void)unregisterHTTPOperationClass:(Class)operationClass {
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NSString *className = NSStringFromClass(operationClass);
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[self.registeredHTTPOperationClassNames removeObject:className];
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}
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#pragma mark -
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- (NSString *)defaultValueForHeader:(NSString *)header {
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return [self.defaultHeaders valueForKey:header];
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}
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- (void)setDefaultHeader:(NSString *)header value:(NSString *)value {
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[self.defaultHeaders setValue:value forKey:header];
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}
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- (void)setAuthorizationHeaderWithUsername:(NSString *)username password:(NSString *)password {
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NSString *basicAuthCredentials = [NSString stringWithFormat:@"%@:%@", username, password];
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[self setDefaultHeader:@"Authorization" value:[NSString stringWithFormat:@"Basic %@", AFBase64EncodedStringFromString(basicAuthCredentials)]];
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}
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- (void)setAuthorizationHeaderWithToken:(NSString *)token {
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[self setDefaultHeader:@"Authorization" value:[NSString stringWithFormat:@"Token token=\"%@\"", token]];
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}
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- (void)clearAuthorizationHeader {
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[self.defaultHeaders removeObjectForKey:@"Authorization"];
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}
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#pragma mark -
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- (NSMutableURLRequest *)requestWithMethod:(NSString *)method
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path:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
{
|
|
NSURL *url = [NSURL URLWithString:path relativeToURL:self.baseURL];
|
|
NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] initWithURL:url] autorelease];
|
|
[request setHTTPMethod:method];
|
|
[request setAllHTTPHeaderFields:self.defaultHeaders];
|
|
|
|
if (parameters) {
|
|
if ([method isEqualToString:@"GET"] || [method isEqualToString:@"HEAD"] || [method isEqualToString:@"DELETE"]) {
|
|
url = [NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:[path rangeOfString:@"?"].location == NSNotFound ? @"?%@" : @"&%@", AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding)]];
|
|
[request setURL:url];
|
|
} else {
|
|
NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(self.stringEncoding));
|
|
switch (self.parameterEncoding) {
|
|
case AFFormURLParameterEncoding:;
|
|
[request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
|
|
[request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding) dataUsingEncoding:self.stringEncoding]];
|
|
break;
|
|
case AFJSONParameterEncoding:;
|
|
[request setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
|
|
[request setHTTPBody:[AFJSONStringFromParameters(parameters) dataUsingEncoding:self.stringEncoding]];
|
|
break;
|
|
case AFPropertyListParameterEncoding:;
|
|
[request setValue:[NSString stringWithFormat:@"application/x-plist; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
|
|
[request setHTTPBody:[AFPropertyListStringFromParameters(parameters) dataUsingEncoding:self.stringEncoding]];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return request;
|
|
}
|
|
|
|
- (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
|
|
path:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
constructingBodyWithBlock:(void (^)(id <AFStreamingMultipartFormData>formData))block
|
|
{
|
|
NSMutableURLRequest *request = [self requestWithMethod:method path:path parameters:nil];
|
|
|
|
__block AFStreamingMultipartFormData * formData = [[[AFStreamingMultipartFormData alloc] initWithURLRequest:request stringEncoding:self.stringEncoding] autorelease];
|
|
|
|
// __block AFMultipartFormData *formData = [[[AFMultipartFormData alloc] initWithURLRequest:request stringEncoding:self.stringEncoding] autorelease];
|
|
|
|
for (AFQueryStringComponent *component in AFQueryStringComponentsFromKeyAndValue(nil, parameters)) {
|
|
NSData *data = nil;
|
|
if ([component.value isKindOfClass:[NSData class]]) {
|
|
data = component.value;
|
|
} else {
|
|
data = [[component.value description] dataUsingEncoding:self.stringEncoding];
|
|
}
|
|
|
|
if (data) {
|
|
[formData appendPartWithFormData:data name:[component.key description]];
|
|
}
|
|
}
|
|
|
|
if (block) {
|
|
block(formData);
|
|
}
|
|
|
|
return [formData requestByFinalizingMultipartFormData];
|
|
}
|
|
|
|
- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)urlRequest
|
|
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
|
|
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
|
|
{
|
|
AFHTTPRequestOperation *operation = nil;
|
|
NSString *className = nil;
|
|
NSEnumerator *enumerator = [self.registeredHTTPOperationClassNames reverseObjectEnumerator];
|
|
while (!operation && (className = [enumerator nextObject])) {
|
|
Class op_class = NSClassFromString(className);
|
|
if (op_class && [op_class canProcessRequest:urlRequest]) {
|
|
operation = [[(AFHTTPRequestOperation *)[op_class alloc] initWithRequest:urlRequest] autorelease];
|
|
}
|
|
}
|
|
|
|
if (!operation) {
|
|
operation = [[[AFHTTPRequestOperation alloc] initWithRequest:urlRequest] autorelease];
|
|
}
|
|
|
|
[operation setCompletionBlockWithSuccess:success failure:failure];
|
|
|
|
return operation;
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
- (void)enqueueHTTPRequestOperation:(AFHTTPRequestOperation *)operation {
|
|
[self.operationQueue addOperation:operation];
|
|
}
|
|
|
|
- (void)cancelAllHTTPOperationsWithMethod:(NSString *)method path:(NSString *)path {
|
|
for (NSOperation *operation in [self.operationQueue operations]) {
|
|
if (![operation isKindOfClass:[AFHTTPRequestOperation class]]) {
|
|
continue;
|
|
}
|
|
|
|
if ((!method || [method isEqualToString:[[(AFHTTPRequestOperation *)operation request] HTTPMethod]]) && [path isEqualToString:[[[(AFHTTPRequestOperation *)operation request] URL] path]]) {
|
|
[operation cancel];
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void)enqueueBatchOfHTTPRequestOperationsWithRequests:(NSArray *)requests
|
|
progressBlock:(void (^)(NSUInteger numberOfCompletedOperations, NSUInteger totalNumberOfOperations))progressBlock
|
|
completionBlock:(void (^)(NSArray *operations))completionBlock
|
|
{
|
|
NSMutableArray *mutableOperations = [NSMutableArray array];
|
|
for (NSURLRequest *request in requests) {
|
|
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:nil failure:nil];
|
|
[mutableOperations addObject:operation];
|
|
}
|
|
|
|
[self enqueueBatchOfHTTPRequestOperations:mutableOperations progressBlock:progressBlock completionBlock:completionBlock];
|
|
}
|
|
|
|
- (void)enqueueBatchOfHTTPRequestOperations:(NSArray *)operations
|
|
progressBlock:(void (^)(NSUInteger numberOfCompletedOperations, NSUInteger totalNumberOfOperations))progressBlock
|
|
completionBlock:(void (^)(NSArray *operations))completionBlock
|
|
{
|
|
__block dispatch_group_t dispatchGroup = dispatch_group_create();
|
|
NSBlockOperation *batchedOperation = [NSBlockOperation blockOperationWithBlock:^{
|
|
dispatch_group_notify(dispatchGroup, dispatch_get_main_queue(), ^{
|
|
if (completionBlock) {
|
|
completionBlock(operations);
|
|
}
|
|
});
|
|
dispatch_release(dispatchGroup);
|
|
}];
|
|
|
|
NSPredicate *finishedOperationPredicate = [NSPredicate predicateWithFormat:@"isFinished == YES"];
|
|
|
|
for (AFHTTPRequestOperation *operation in operations) {
|
|
AFCompletionBlock originalCompletionBlock = [[operation.completionBlock copy] autorelease];
|
|
operation.completionBlock = ^{
|
|
dispatch_queue_t queue = operation.successCallbackQueue ? operation.successCallbackQueue : dispatch_get_main_queue();
|
|
dispatch_group_async(dispatchGroup, queue, ^{
|
|
if (originalCompletionBlock) {
|
|
originalCompletionBlock();
|
|
}
|
|
|
|
if (progressBlock) {
|
|
progressBlock([[operations filteredArrayUsingPredicate:finishedOperationPredicate] count], [operations count]);
|
|
}
|
|
|
|
dispatch_group_leave(dispatchGroup);
|
|
});
|
|
};
|
|
|
|
dispatch_group_enter(dispatchGroup);
|
|
[batchedOperation addDependency:operation];
|
|
|
|
[self enqueueHTTPRequestOperation:operation];
|
|
}
|
|
[self.operationQueue addOperation:batchedOperation];
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
- (void)getPath:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
|
|
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
|
|
{
|
|
NSURLRequest *request = [self requestWithMethod:@"GET" path:path parameters:parameters];
|
|
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
|
|
[self enqueueHTTPRequestOperation:operation];
|
|
}
|
|
|
|
- (void)postPath:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
|
|
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
|
|
{
|
|
NSURLRequest *request = [self requestWithMethod:@"POST" path:path parameters:parameters];
|
|
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
|
|
[self enqueueHTTPRequestOperation:operation];
|
|
}
|
|
|
|
- (void)putPath:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
|
|
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
|
|
{
|
|
NSURLRequest *request = [self requestWithMethod:@"PUT" path:path parameters:parameters];
|
|
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
|
|
[self enqueueHTTPRequestOperation:operation];
|
|
}
|
|
|
|
- (void)deletePath:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
|
|
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
|
|
{
|
|
NSURLRequest *request = [self requestWithMethod:@"DELETE" path:path parameters:parameters];
|
|
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
|
|
[self enqueueHTTPRequestOperation:operation];
|
|
}
|
|
|
|
- (void)patchPath:(NSString *)path
|
|
parameters:(NSDictionary *)parameters
|
|
success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
|
|
failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
|
|
{
|
|
NSURLRequest *request = [self requestWithMethod:@"PATCH" path:path parameters:parameters];
|
|
AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
|
|
[self enqueueHTTPRequestOperation:operation];
|
|
}
|
|
|
|
#pragma mark - NSCoding
|
|
|
|
- (id)initWithCoder:(NSCoder *)aDecoder {
|
|
NSURL *baseURL = [aDecoder decodeObjectForKey:@"baseURL"];
|
|
|
|
self = [self initWithBaseURL:baseURL];
|
|
if (!self) {
|
|
return nil;
|
|
}
|
|
|
|
self.stringEncoding = [aDecoder decodeIntegerForKey:@"stringEncoding"];
|
|
self.parameterEncoding = [aDecoder decodeIntegerForKey:@"parameterEncoding"];
|
|
self.registeredHTTPOperationClassNames = [aDecoder decodeObjectForKey:@"registeredHTTPOperationClassNames"];
|
|
self.defaultHeaders = [aDecoder decodeObjectForKey:@"defaultHeaders"];
|
|
|
|
return self;
|
|
}
|
|
|
|
- (void)encodeWithCoder:(NSCoder *)aCoder {
|
|
[aCoder encodeObject:self.baseURL forKey:@"baseURL"];
|
|
[aCoder encodeInteger:self.stringEncoding forKey:@"stringEncoding"];
|
|
[aCoder encodeInteger:self.parameterEncoding forKey:@"parameterEncoding"];
|
|
[aCoder encodeObject:self.registeredHTTPOperationClassNames forKey:@"registeredHTTPOperationClassNames"];
|
|
[aCoder encodeObject:self.defaultHeaders forKey:@"defaultHeaders"];
|
|
}
|
|
|
|
#pragma mark - NSCopying
|
|
|
|
- (id)copyWithZone:(NSZone *)zone {
|
|
AFHTTPClient *HTTPClient = [[[self class] allocWithZone:zone] initWithBaseURL:self.baseURL];
|
|
|
|
HTTPClient.stringEncoding = self.stringEncoding;
|
|
HTTPClient.parameterEncoding = self.parameterEncoding;
|
|
HTTPClient.registeredHTTPOperationClassNames = [[self.registeredHTTPOperationClassNames copyWithZone:zone] autorelease];
|
|
HTTPClient.defaultHeaders = [[self.defaultHeaders copyWithZone:zone] autorelease];
|
|
#ifdef _SYSTEMCONFIGURATION_H
|
|
HTTPClient.networkReachabilityStatusBlock = self.networkReachabilityStatusBlock;
|
|
#endif
|
|
return HTTPClient;
|
|
}
|
|
|
|
@end
|
|
|
|
#pragma mark -
|
|
|
|
static NSString * const kAFMultipartTemporaryFileDirectoryName = @"com.alamofire.uploads";
|
|
|
|
static NSString * AFMultipartTemporaryFileDirectoryPath() {
|
|
static NSString *multipartTemporaryFilePath = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
multipartTemporaryFilePath = [[NSTemporaryDirectory() stringByAppendingPathComponent:kAFMultipartTemporaryFileDirectoryName] copy];
|
|
|
|
NSError *error = nil;
|
|
if(![[NSFileManager defaultManager] createDirectoryAtPath:multipartTemporaryFilePath withIntermediateDirectories:YES attributes:nil error:&error]) {
|
|
NSLog(@"Failed to create multipary temporary file directory at %@", multipartTemporaryFilePath);
|
|
}
|
|
});
|
|
|
|
return multipartTemporaryFilePath;
|
|
}
|
|
|
|
static NSString * const kAFMultipartFormBoundary = @"Boundary+0xAbCdEfGbOuNdArY";
|
|
|
|
static NSString * const kAFMultipartFormCRLF = @"\r\n";
|
|
|
|
static NSInteger const kAFStreamToStreamBufferSize = 1024*1024; //1 meg default
|
|
|
|
static inline NSString * AFMultipartFormInitialBoundary() {
|
|
return [NSString stringWithFormat:@"--%@%@", kAFMultipartFormBoundary, kAFMultipartFormCRLF];
|
|
}
|
|
|
|
static inline NSString * AFMultipartFormEncapsulationBoundary() {
|
|
return [NSString stringWithFormat:@"%@--%@%@", kAFMultipartFormCRLF, kAFMultipartFormBoundary, kAFMultipartFormCRLF];
|
|
}
|
|
|
|
static inline NSString * AFMultipartFormFinalBoundary() {
|
|
return [NSString stringWithFormat:@"%@--%@--%@", kAFMultipartFormCRLF, kAFMultipartFormBoundary, kAFMultipartFormCRLF];
|
|
}
|
|
|
|
#pragma mark --
|
|
#pragma mark AFStreamingMultipartFormData
|
|
|
|
|
|
@interface AFStreamingMultipartFormData () {
|
|
AFMultipartBodyStream * bodyStream;
|
|
}
|
|
|
|
@property (readwrite, nonatomic, retain) NSMutableURLRequest *request;
|
|
@property (readwrite, nonatomic, assign) NSStringEncoding stringEncoding;
|
|
|
|
@end
|
|
|
|
@implementation AFStreamingMultipartFormData
|
|
|
|
@synthesize request = _request;
|
|
@synthesize stringEncoding = _stringEncoding;
|
|
|
|
- (id)initWithURLRequest:(NSMutableURLRequest *)request
|
|
stringEncoding:(NSStringEncoding)encoding
|
|
{
|
|
self = [super init];
|
|
if (!self) {
|
|
return nil;
|
|
}
|
|
self.request = request;
|
|
self.stringEncoding = encoding;
|
|
bodyStream = [[AFMultipartBodyStream alloc] initWithStringEncoding:encoding];
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[bodyStream release];
|
|
[super dealloc];
|
|
}
|
|
|
|
- (void)appendPartWithFormData:(NSData *)data name:(NSString *)name {
|
|
[bodyStream addFormData:data name:name];
|
|
}
|
|
|
|
- (BOOL)appendPartWithFileURL:(NSURL *)fileURL name:(NSString *)name error:(NSError **)error {
|
|
return [bodyStream addFileFromURL:fileURL name:name error:error];
|
|
}
|
|
|
|
- (NSMutableURLRequest *)requestByFinalizingMultipartFormData {
|
|
//return the original request if no data has been added
|
|
if ([bodyStream empty]) {
|
|
return self.request;
|
|
}
|
|
[self.request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", kAFMultipartFormBoundary] forHTTPHeaderField:@"Content-Type"];
|
|
[self.request setValue:[NSString stringWithFormat:@"%d",[bodyStream contentLength]] forHTTPHeaderField:@"Content-Length"];
|
|
[self.request setHTTPBodyStream:bodyStream];
|
|
return self.request;
|
|
}
|
|
|
|
- (void)appendData:(NSData *)data {
|
|
|
|
}
|
|
|
|
@end
|
|
|
|
#pragma mark - AFMultipartBodyStream
|
|
|
|
@interface AFMultipartBodyStream () {
|
|
CFReadStreamClientCallBack copiedCallback;
|
|
CFStreamClientContext copiedContext;
|
|
CFOptionFlags requestedEvents;
|
|
NSStreamStatus streamStatus;
|
|
id <NSStreamDelegate> delegate;
|
|
|
|
NSMutableArray *fileNames;
|
|
NSMutableDictionary *fileURLs;
|
|
NSMutableDictionary *fileHeaders;
|
|
NSMutableArray *formNames;
|
|
NSMutableDictionary *formDatas;
|
|
NSMutableDictionary *formHeaders;
|
|
NSUInteger readElementCursor;
|
|
NSUInteger readOffsetCursor;
|
|
NSUInteger readHeaderOffsetCursor;
|
|
NSInputStream * currentFileStream;
|
|
NSStringEncoding stringEncoding;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation AFMultipartBodyStream
|
|
|
|
|
|
- (id)init {
|
|
self = [super init];
|
|
fileNames = [[NSMutableArray alloc] init];
|
|
fileURLs = [[NSMutableDictionary alloc] init];
|
|
fileHeaders = [[NSMutableDictionary alloc] init];
|
|
formNames = [[NSMutableArray alloc] init];
|
|
formDatas = [[NSMutableDictionary alloc] init];
|
|
formHeaders = [[NSMutableDictionary alloc] init];
|
|
currentFileStream = NULL;
|
|
stringEncoding = NSUTF8StringEncoding;
|
|
streamStatus = NSStreamStatusNotOpen;
|
|
[self resetCursors];
|
|
// [self setDelegate:self];
|
|
return self;
|
|
}
|
|
|
|
- (id)initWithStringEncoding:(NSStringEncoding)encoding {
|
|
self = [self init];
|
|
stringEncoding = encoding;
|
|
return self;
|
|
}
|
|
|
|
- (void)resetCursors {
|
|
readElementCursor = 0;
|
|
readOffsetCursor = 0;
|
|
readHeaderOffsetCursor = 0;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[fileNames release];
|
|
[fileURLs release];
|
|
[fileHeaders release];
|
|
[formNames release];
|
|
[formDatas release];
|
|
[formHeaders release];
|
|
if (currentFileStream) {
|
|
[currentFileStream close];
|
|
[currentFileStream release];
|
|
currentFileStream = NULL;
|
|
}
|
|
[super dealloc];
|
|
}
|
|
|
|
- (BOOL)empty {
|
|
if (([fileURLs count] + [formDatas count]) == 0)
|
|
return YES;
|
|
else
|
|
return NO;
|
|
}
|
|
|
|
|
|
- (BOOL)addFileFromURL:(NSURL *)fileURL name:(NSString *)name error:(NSError **)error {
|
|
assert([self streamStatus] == NSStreamStatusNotOpen);
|
|
|
|
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
|
|
[userInfo setValue:fileURL forKey:NSURLErrorFailingURLErrorKey];
|
|
|
|
if (![fileURL isFileURL]) {
|
|
[userInfo setValue:NSLocalizedString(@"Expected URL to be a file URL", nil) forKey:NSLocalizedFailureReasonErrorKey];
|
|
if (error != NULL) {
|
|
*error = [[[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorBadURL userInfo:userInfo] autorelease];
|
|
}
|
|
return NO;
|
|
}
|
|
|
|
if ([fileURL checkResourceIsReachableAndReturnError:error] == NO) {
|
|
[userInfo setValue:NSLocalizedString(@"File URL not reachable.", nil) forKey:NSLocalizedFailureReasonErrorKey];
|
|
if (error != NULL) {
|
|
*error = [[[NSError alloc] initWithDomain:AFNetworkingErrorDomain code:NSURLErrorBadURL userInfo:userInfo] autorelease];
|
|
}
|
|
|
|
return NO;
|
|
}
|
|
|
|
[fileNames addObject:name];
|
|
[fileURLs setObject:fileURL forKey:name];
|
|
[self generateHeaders];
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (void)addFormData:(NSData *)data name:(NSString *)name {
|
|
assert([self streamStatus] == NSStreamStatusNotOpen);
|
|
[formNames addObject:name];
|
|
[formDatas setObject:data forKey:name];
|
|
[self generateHeaders];
|
|
}
|
|
|
|
- (void)generateHeaders {
|
|
[formHeaders removeAllObjects];
|
|
for (NSString * formName in formNames) {
|
|
[formHeaders setObject:[self headersDataForForm:formName] forKey:formName];
|
|
}
|
|
[fileHeaders removeAllObjects];
|
|
for (NSString * fileName in fileNames) {
|
|
[fileHeaders setObject:[self headersDataForFile:fileName] forKey:fileName];
|
|
}
|
|
}
|
|
|
|
- (NSString *)stringForHeaders:(NSDictionary *)headers {
|
|
NSMutableString * headerString = [NSMutableString string];
|
|
for (NSString *field in [headers allKeys]) {
|
|
[headerString appendString:[NSString stringWithFormat:@"%@: %@%@", field, [headers valueForKey:field], kAFMultipartFormCRLF]];
|
|
}
|
|
return [NSString stringWithString:headerString];
|
|
}
|
|
|
|
- (NSData *)headersDataForDict:(NSDictionary *)headersDict {
|
|
NSMutableString * headerString = [NSMutableString string];
|
|
if ([formHeaders count] == 0 && [fileHeaders count] == 0) {
|
|
[headerString appendString:AFMultipartFormInitialBoundary()];
|
|
} else {
|
|
[headerString appendString:AFMultipartFormEncapsulationBoundary()];
|
|
}
|
|
[headerString appendString:[self stringForHeaders:headersDict]];
|
|
[headerString appendString:kAFMultipartFormCRLF];
|
|
|
|
return [headerString dataUsingEncoding:stringEncoding];
|
|
}
|
|
|
|
- (NSData *)headersDataForFile:(NSString *)name {
|
|
NSURL * fileURL = [fileURLs objectForKey:name];
|
|
NSString * fileName = [[fileURL pathComponents] objectAtIndex:([[fileURL pathComponents] count] - 1)];
|
|
NSMutableDictionary * mutableHeaders = [NSMutableDictionary dictionary];
|
|
[mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, fileName] forKey:@"Content-Disposition"];
|
|
CFStringRef UTI = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (CFStringRef)[fileURL pathExtension], NULL);
|
|
NSString * MIMEType = [(NSString*) UTTypeCopyPreferredTagWithClass (UTI, kUTTagClassMIMEType) autorelease];
|
|
CFRelease(UTI);
|
|
[mutableHeaders setValue:MIMEType forKey:@"Content-Type"];
|
|
return [self headersDataForDict:mutableHeaders];
|
|
}
|
|
|
|
- (NSData *)headersDataForForm:(NSString *)name {
|
|
return [self headersDataForDict:[NSDictionary dictionaryWithObject:[NSString stringWithFormat:@"form-data; name=\"%@\"", name] forKey:@"Content-Disposition"]];
|
|
}
|
|
|
|
- (NSInteger)readData:(NSData *)data intoBuffer:(uint8_t *)buffer maxLength:(NSUInteger)len offsetCursor:(NSUInteger*)offsetCursorPtr {
|
|
NSInteger bytesAvailable = [data length] - *offsetCursorPtr;
|
|
if (len > bytesAvailable) {
|
|
[data getBytes:buffer range:NSMakeRange(*offsetCursorPtr, bytesAvailable)];
|
|
*offsetCursorPtr += bytesAvailable;
|
|
return bytesAvailable;
|
|
} else {
|
|
[data getBytes:buffer range:NSMakeRange(*offsetCursorPtr, len)];
|
|
*offsetCursorPtr += len;
|
|
return len;
|
|
}
|
|
}
|
|
|
|
- (void)nextElement {
|
|
readOffsetCursor = 0;
|
|
readHeaderOffsetCursor = 0;
|
|
readElementCursor += 1;
|
|
|
|
if (currentFileStream) {
|
|
[currentFileStream close];
|
|
[currentFileStream release];
|
|
currentFileStream = NULL;
|
|
}
|
|
}
|
|
|
|
- (NSUInteger)contentLength {
|
|
NSUInteger total = 0;
|
|
for (NSString * formName in formNames) {
|
|
total += [[formHeaders objectForKey:formName] length];
|
|
total += [[formDatas objectForKey:formName] length];
|
|
}
|
|
for (NSString * fileName in fileNames) {
|
|
NSError * error;
|
|
NSDictionary *fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:[[fileURLs objectForKey:fileName] path] error:&error];
|
|
total += [[fileHeaders objectForKey:fileName] length];
|
|
total += [[fileAttributes objectForKey:NSFileSize] longValue];
|
|
}
|
|
total += [[self finalBoundaryData] length];
|
|
return total;
|
|
}
|
|
|
|
- (NSUInteger)totalElements {
|
|
return [formDatas count] + [fileURLs count] + 1; //one extra for final boundary
|
|
}
|
|
|
|
- (NSData *)finalBoundaryData {
|
|
return [AFMultipartFormFinalBoundary() dataUsingEncoding:stringEncoding];
|
|
}
|
|
|
|
#pragma mark - NSStream subclass overrides
|
|
|
|
- (void)open {
|
|
streamStatus = NSStreamStatusOpen;
|
|
}
|
|
|
|
- (void)close {
|
|
streamStatus = NSStreamStatusClosed;
|
|
[self resetCursors];
|
|
}
|
|
|
|
- (id <NSStreamDelegate> )delegate {
|
|
return delegate;
|
|
}
|
|
|
|
- (void)setDelegate:(id<NSStreamDelegate>)aDelegate {
|
|
if (aDelegate == nil) {
|
|
delegate = self;
|
|
}
|
|
else {
|
|
delegate = aDelegate;
|
|
}
|
|
}
|
|
|
|
- (void)scheduleInRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode {
|
|
}
|
|
|
|
- (void)removeFromRunLoop:(NSRunLoop *)aRunLoop forMode:(NSString *)mode {
|
|
}
|
|
|
|
- (id)propertyForKey:(NSString *)key {
|
|
return nil;
|
|
}
|
|
|
|
- (BOOL)setProperty:(id)property forKey:(NSString *)key {
|
|
return NO;
|
|
}
|
|
|
|
|
|
- (NSStreamStatus)streamStatus {
|
|
return streamStatus;
|
|
}
|
|
|
|
- (NSError *)streamError {
|
|
return nil;
|
|
}
|
|
|
|
#pragma mark - NSInputStream subclass overrides
|
|
|
|
- (NSInteger)read:(uint8_t *)buffer maxLength:(NSUInteger)len {
|
|
if ([self streamStatus] == NSStreamStatusClosed) {
|
|
return 0;
|
|
}
|
|
|
|
assert ([self streamStatus] == NSStreamStatusOpen);
|
|
|
|
NSInteger bytesRead = 0;
|
|
NSInteger readFileCursor = (readElementCursor - [formNames count]);
|
|
|
|
if (readElementCursor < [formNames count]) {
|
|
//reading from formDatas
|
|
NSString * currentFormName = [formNames objectAtIndex:readElementCursor];
|
|
NSData * currentData = [formDatas objectForKey:currentFormName];
|
|
NSData * headersData = [formHeaders objectForKey:currentFormName];
|
|
|
|
if (readHeaderOffsetCursor < [headersData length]) {
|
|
bytesRead = [self readData:headersData intoBuffer:buffer maxLength:len offsetCursor:&readHeaderOffsetCursor];
|
|
} else {
|
|
bytesRead = [self readData:currentData intoBuffer:buffer maxLength:len offsetCursor:&readOffsetCursor];
|
|
}
|
|
if (readOffsetCursor == [currentData length]) {
|
|
[self nextElement];
|
|
}
|
|
}
|
|
else if (readFileCursor >= 0 && readFileCursor < [fileNames count]) {
|
|
//reading from files
|
|
NSString * currentFileName = [fileNames objectAtIndex:readFileCursor];
|
|
NSURL * currentFileURL = [fileURLs objectForKey:currentFileName];
|
|
NSData * headersData = [fileHeaders objectForKey:currentFileName];
|
|
|
|
assert(headersData != NULL);
|
|
|
|
if (readHeaderOffsetCursor < [headersData length]) {
|
|
bytesRead = [self readData:headersData intoBuffer:buffer maxLength:len offsetCursor:&readHeaderOffsetCursor];
|
|
} else {
|
|
if (!currentFileStream) {
|
|
currentFileStream = [[NSInputStream inputStreamWithURL:currentFileURL] retain];
|
|
// currentFileStream.delegate = self;
|
|
[currentFileStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSRunLoopCommonModes];
|
|
[currentFileStream open];
|
|
}
|
|
|
|
bytesRead = [currentFileStream read:buffer maxLength:len];
|
|
|
|
if (![currentFileStream hasBytesAvailable] || bytesRead == 0) {
|
|
[self nextElement];
|
|
}
|
|
}
|
|
}
|
|
else if (readElementCursor < [self totalElements]) {
|
|
//add final boundary
|
|
bytesRead = [self readData:[self finalBoundaryData] intoBuffer:buffer maxLength:len offsetCursor:&readOffsetCursor];
|
|
if (readOffsetCursor == [[self finalBoundaryData] length]) {
|
|
[self nextElement];
|
|
}
|
|
}
|
|
else {
|
|
[self nextElement];
|
|
}
|
|
|
|
if (readElementCursor <= [self totalElements]) {
|
|
if (bytesRead < len) {
|
|
bytesRead += [self read:buffer+bytesRead maxLength:len-bytesRead];
|
|
} else {
|
|
// no deeper recursion so call callback if necessary
|
|
if (copiedCallback && (requestedEvents & kCFStreamEventHasBytesAvailable)) {
|
|
copiedCallback((CFReadStreamRef)self, kCFStreamEventHasBytesAvailable, &copiedContext);
|
|
}
|
|
}
|
|
}
|
|
|
|
return bytesRead;
|
|
}
|
|
|
|
- (BOOL)hasBytesAvailable {
|
|
if ([self streamStatus] != NSStreamStatusOpen) {
|
|
return NO;
|
|
}
|
|
else {
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
- (BOOL)getBuffer:(uint8_t **)buffer length:(NSUInteger *)len {
|
|
return NO;
|
|
}
|
|
|
|
#pragma mark - Undocumented CFReadStream bridged methods
|
|
|
|
- (void)_scheduleInCFRunLoop:(CFRunLoopRef)aRunLoop forMode:(CFStringRef)aMode {
|
|
}
|
|
|
|
- (BOOL)_setCFClientFlags:(CFOptionFlags)inFlags
|
|
callback:(CFReadStreamClientCallBack)inCallback
|
|
context:(CFStreamClientContext *)inContext {
|
|
|
|
if (inCallback != NULL) {
|
|
requestedEvents = inFlags;
|
|
copiedCallback = inCallback;
|
|
memcpy(&copiedContext, inContext, sizeof(CFStreamClientContext));
|
|
if (copiedContext.info && copiedContext.retain) {
|
|
copiedContext.retain(copiedContext.info);
|
|
}
|
|
copiedCallback((CFReadStreamRef)self, kCFStreamEventHasBytesAvailable, &copiedContext);
|
|
}
|
|
else {
|
|
requestedEvents = kCFStreamEventNone;
|
|
copiedCallback = NULL;
|
|
if (copiedContext.info && copiedContext.release) {
|
|
copiedContext.release(copiedContext.info);
|
|
}
|
|
memset(&copiedContext, 0, sizeof(CFStreamClientContext));
|
|
}
|
|
|
|
return YES;
|
|
|
|
}
|
|
|
|
- (void)_unscheduleFromCFRunLoop:(CFRunLoopRef)aRunLoop forMode:(CFStringRef)aMode {
|
|
}
|
|
|
|
|
|
@end
|
|
|
|
|