2183dbbbcc
The "Content-disposition" should only be "file" if one of multiple files in a subpart. See the end of http://www.w3.org/TR/html4/interact/forms.html, section 17.13.4, for details. AFNetworking does not currently support creation of subparts where "file" should be used. This fixes Tornado from failing to parse our file upload.
495 lines
21 KiB
Objective-C
495 lines
21 KiB
Objective-C
// 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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#endif
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static NSString * const kAFMultipartFormLineDelimiter = @"\r\n"; // CRLF
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static NSString * const kAFMultipartFormBoundary = @"Boundary+0xAbCdEfGbOuNdArY";
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@interface AFMultipartFormData : NSObject <AFMultipartFormData> {
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@private
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NSStringEncoding _stringEncoding;
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NSMutableData *_mutableData;
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}
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@property (readonly) NSData *data;
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- (id)initWithStringEncoding:(NSStringEncoding)encoding;
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@end
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#pragma mark -
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static NSUInteger const kAFHTTPClientDefaultMaxConcurrentOperationCount = 4;
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static NSString * AFBase64EncodedStringFromString(NSString *string) {
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NSData *data = [NSData dataWithBytes:[string UTF8String] length:[string length]];
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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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// Following the suggestion in documentation for `CFURLCreateStringByAddingPercentEscapes` to "pre-process" URL strings (using stringByReplacingPercentEscapesUsingEncoding) with unpredictable sequences that may already contain percent escapes.
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return [(NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)[string stringByReplacingPercentEscapesUsingEncoding:encoding], NULL, (CFStringRef)kAFLegalCharactersToBeEscaped, CFStringConvertNSStringEncodingToEncoding(encoding)) autorelease];
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}
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NSString * AFQueryStringFromParametersWithEncoding(NSDictionary *parameters, NSStringEncoding encoding) {
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NSMutableArray *mutableParameterComponents = [NSMutableArray array];
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for (id key in [parameters allKeys]) {
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NSString *component = [NSString stringWithFormat:@"%@=%@", AFURLEncodedStringFromStringWithEncoding([key description], encoding), AFURLEncodedStringFromStringWithEncoding([[parameters valueForKey:key] description], encoding)];
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[mutableParameterComponents addObject:component];
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}
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return [mutableParameterComponents componentsJoinedByString:@"&"];
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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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@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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+ (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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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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self.operationQueue = [[[NSOperationQueue alloc] init] autorelease];
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[self.operationQueue setMaxConcurrentOperationCount:kAFHTTPClientDefaultMaxConcurrentOperationCount];
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return self;
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}
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- (void)dealloc {
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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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#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
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parameters:(NSDictionary *)parameters
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{
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NSURL *url = [NSURL URLWithString:path relativeToURL:self.baseURL];
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NSMutableURLRequest *request = [[[NSMutableURLRequest alloc] initWithURL:url] autorelease];
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[request setHTTPMethod:method];
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[request setAllHTTPHeaderFields:self.defaultHeaders];
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if (parameters) {
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if ([method isEqualToString:@"GET"]) {
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url = [NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:[path rangeOfString:@"?"].location == NSNotFound ? @"?%@" : @"&%@", AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding)]];
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[request setURL:url];
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} else {
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NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding(self.stringEncoding));
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switch (self.parameterEncoding) {
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case AFFormURLParameterEncoding:;
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[request setValue:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
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[request setHTTPBody:[AFQueryStringFromParametersWithEncoding(parameters, self.stringEncoding) dataUsingEncoding:self.stringEncoding]];
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break;
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case AFJSONParameterEncoding:;
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[request setValue:[NSString stringWithFormat:@"application/json; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
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[request setHTTPBody:[AFJSONStringFromParameters(parameters) dataUsingEncoding:self.stringEncoding]];
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break;
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case AFPropertyListParameterEncoding:;
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[request setValue:[NSString stringWithFormat:@"application/x-plist; charset=%@", charset] forHTTPHeaderField:@"Content-Type"];
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[request setHTTPBody:[AFPropertyListStringFromParameters(parameters) dataUsingEncoding:self.stringEncoding]];
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break;
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}
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}
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}
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return request;
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}
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- (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
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path:(NSString *)path
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parameters:(NSDictionary *)parameters
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constructingBodyWithBlock:(void (^)(id <AFMultipartFormData>formData))block
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{
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if (!([method isEqualToString:@"POST"] || [method isEqualToString:@"PUT"] || [method isEqualToString:@"DELETE"])) {
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[NSException raise:@"Invalid HTTP Method" format:@"%@ is not supported for multipart form requests; must be either POST, PUT, or DELETE", method];
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return nil;
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}
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NSMutableURLRequest *request = [self requestWithMethod:method path:path parameters:nil];
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__block AFMultipartFormData *formData = [[AFMultipartFormData alloc] initWithStringEncoding:self.stringEncoding];
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id key = nil;
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NSEnumerator *enumerator = [parameters keyEnumerator];
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while ((key = [enumerator nextObject])) {
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id value = [parameters valueForKey:key];
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NSData *data = nil;
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if ([value isKindOfClass:[NSData class]]) {
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data = value;
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} else {
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data = [[value description] dataUsingEncoding:self.stringEncoding];
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}
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[formData appendPartWithFormData:data name:[key description]];
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}
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if (block) {
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block(formData);
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}
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[request setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@", kAFMultipartFormBoundary] forHTTPHeaderField:@"Content-Type"];
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[request setHTTPBody:[formData data]];
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[formData autorelease];
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return request;
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}
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- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)urlRequest
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success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
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failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
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{
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AFHTTPRequestOperation *operation = nil;
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NSString *className = nil;
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NSEnumerator *enumerator = [self.registeredHTTPOperationClassNames reverseObjectEnumerator];
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while (!operation && (className = [enumerator nextObject])) {
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Class class = NSClassFromString(className);
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if (class && [class canProcessRequest:urlRequest]) {
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operation = [[(AFHTTPRequestOperation *)[class alloc] initWithRequest:urlRequest] autorelease];
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}
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}
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if (!operation) {
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operation = [[[AFHTTPRequestOperation alloc] initWithRequest:urlRequest] autorelease];
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}
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[operation setCompletionBlockWithSuccess:success failure:failure];
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return operation;
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}
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- (void)enqueueHTTPRequestOperation:(AFHTTPRequestOperation *)operation {
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[self.operationQueue addOperation:operation];
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}
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- (void)cancelHTTPOperationsWithMethod:(NSString *)method andURL:(NSURL *)url {
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for (AFHTTPRequestOperation *operation in [self.operationQueue operations]) {
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if ([[[operation request] HTTPMethod] isEqualToString:method] && [[[operation request] URL] isEqual:url]) {
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[operation cancel];
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}
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}
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}
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#pragma mark -
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- (void)getPath:(NSString *)path
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parameters:(NSDictionary *)parameters
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success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
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failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
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{
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NSURLRequest *request = [self requestWithMethod:@"GET" path:path parameters:parameters];
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AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
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[self enqueueHTTPRequestOperation:operation];
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}
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- (void)postPath:(NSString *)path
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parameters:(NSDictionary *)parameters
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success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
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failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
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{
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NSURLRequest *request = [self requestWithMethod:@"POST" path:path parameters:parameters];
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AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
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[self enqueueHTTPRequestOperation:operation];
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}
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- (void)putPath:(NSString *)path
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parameters:(NSDictionary *)parameters
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success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
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failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
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{
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NSURLRequest *request = [self requestWithMethod:@"PUT" path:path parameters:parameters];
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AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
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[self enqueueHTTPRequestOperation:operation];
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}
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- (void)deletePath:(NSString *)path
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parameters:(NSDictionary *)parameters
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success:(void (^)(AFHTTPRequestOperation *operation, id responseObject))success
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failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
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{
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NSURLRequest *request = [self requestWithMethod:@"DELETE" path:path parameters:parameters];
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AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
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[self enqueueHTTPRequestOperation:operation];
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}
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@end
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#pragma mark -
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static inline NSString * AFMultipartFormInitialBoundary() {
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return [NSString stringWithFormat:@"--%@%@", kAFMultipartFormBoundary, kAFMultipartFormLineDelimiter];
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}
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static inline NSString * AFMultipartFormEncapsulationBoundary() {
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return [NSString stringWithFormat:@"%@--%@%@", kAFMultipartFormLineDelimiter, kAFMultipartFormBoundary, kAFMultipartFormLineDelimiter];
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}
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static inline NSString * AFMultipartFormFinalBoundary() {
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return [NSString stringWithFormat:@"%@--%@--", kAFMultipartFormLineDelimiter, kAFMultipartFormBoundary];
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}
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@interface AFMultipartFormData ()
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@property (readwrite, nonatomic, assign) NSStringEncoding stringEncoding;
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@property (readwrite, nonatomic, retain) NSMutableData *mutableData;
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@end
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@implementation AFMultipartFormData
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@synthesize stringEncoding = _stringEncoding;
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@synthesize mutableData = _mutableData;
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- (id)initWithStringEncoding:(NSStringEncoding)encoding {
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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.stringEncoding = encoding;
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self.mutableData = [NSMutableData dataWithLength:0];
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return self;
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}
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- (void)dealloc {
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[_mutableData release];
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[super dealloc];
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}
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- (NSData *)data {
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NSMutableData *finalizedData = [NSMutableData dataWithData:self.mutableData];
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[finalizedData appendData:[AFMultipartFormFinalBoundary() dataUsingEncoding:self.stringEncoding]];
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return finalizedData;
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}
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#pragma mark - AFMultipartFormData
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- (void)appendPartWithHeaders:(NSDictionary *)headers body:(NSData *)body {
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if ([self.mutableData length] == 0) {
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[self appendString:AFMultipartFormInitialBoundary()];
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} else {
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[self appendString:AFMultipartFormEncapsulationBoundary()];
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}
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for (NSString *field in [headers allKeys]) {
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[self appendString:[NSString stringWithFormat:@"%@: %@%@", field, [headers valueForKey:field], kAFMultipartFormLineDelimiter]];
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}
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[self appendString:kAFMultipartFormLineDelimiter];
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[self appendData:body];
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}
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- (void)appendPartWithFormData:(NSData *)data name:(NSString *)name {
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NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
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[mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"", name] forKey:@"Content-Disposition"];
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[self appendPartWithHeaders:mutableHeaders body:data];
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}
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- (void)appendPartWithFileData:(NSData *)data name:(NSString *)name fileName:(NSString *)fileName mimeType:(NSString *)mimeType {
|
|
NSMutableDictionary *mutableHeaders = [NSMutableDictionary dictionary];
|
|
[mutableHeaders setValue:[NSString stringWithFormat:@"form-data; name=\"%@\"; filename=\"%@\"", name, fileName] forKey:@"Content-Disposition"];
|
|
[mutableHeaders setValue:mimeType forKey:@"Content-Type"];
|
|
|
|
[self appendPartWithHeaders:mutableHeaders body:data];
|
|
}
|
|
|
|
- (BOOL)appendPartWithFileURL:(NSURL *)fileURL name:(NSString *)name error:(NSError **)error {
|
|
if (![fileURL isFileURL]) {
|
|
NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
|
|
[userInfo setValue:fileURL forKey:NSURLErrorFailingURLErrorKey];
|
|
[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;
|
|
}
|
|
|
|
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:fileURL];
|
|
[request setCachePolicy:NSURLCacheStorageNotAllowed];
|
|
|
|
NSURLResponse *response = nil;
|
|
NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:error];
|
|
|
|
if (response && !error) {
|
|
[self appendPartWithFileData:data name:name fileName:[response suggestedFilename] mimeType:[response MIMEType]];
|
|
|
|
return YES;
|
|
} else {
|
|
return NO;
|
|
}
|
|
}
|
|
|
|
- (void)appendData:(NSData *)data {
|
|
[self.mutableData appendData:data];
|
|
}
|
|
|
|
- (void)appendString:(NSString *)string {
|
|
[self appendData:[string dataUsingEncoding:self.stringEncoding]];
|
|
}
|
|
|
|
@end
|