363 lines
11 KiB
Mathematica
363 lines
11 KiB
Mathematica
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//
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// ASIFormDataRequest.m
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// Part of ASIHTTPRequest -> http://allseeing-i.com/ASIHTTPRequest
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//
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// Created by Ben Copsey on 07/11/2008.
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// Copyright 2008-2009 All-Seeing Interactive. All rights reserved.
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//
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#import "ASIFormDataRequest.h"
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// Private stuff
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@interface ASIFormDataRequest ()
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- (void)buildMultipartFormDataPostBody;
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- (void)buildURLEncodedPostBody;
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- (void)appendPostString:(NSString *)string;
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@property (retain) NSMutableArray *postData;
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@property (retain) NSMutableArray *fileData;
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#if DEBUG_FORM_DATA_REQUEST
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- (void)addToDebugBody:(NSString *)string;
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@property (retain, nonatomic) NSString *debugBodyString;
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#endif
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@end
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@implementation ASIFormDataRequest
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#pragma mark utilities
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- (NSString*)encodeURL:(NSString *)string
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{
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NSString *newString = [NSMakeCollectable(CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)string, NULL, CFSTR(":/?#[]@!$ &'()*+,;=\"<>%{}|\\^~`"), CFStringConvertNSStringEncodingToEncoding([self stringEncoding]))) autorelease];
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if (newString) {
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return newString;
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}
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return @"";
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}
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#pragma mark init / dealloc
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+ (id)requestWithURL:(NSURL *)newURL
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{
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return [[[self alloc] initWithURL:newURL] autorelease];
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}
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- (id)initWithURL:(NSURL *)newURL
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{
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self = [super initWithURL:newURL];
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[self setPostFormat:ASIURLEncodedPostFormat];
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[self setStringEncoding:NSUTF8StringEncoding];
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[self setRequestMethod:@"POST"];
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return self;
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}
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- (void)dealloc
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{
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#if DEBUG_FORM_DATA_REQUEST
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[debugBodyString release];
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#endif
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[postData release];
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[fileData release];
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[super dealloc];
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}
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#pragma mark setup request
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- (void)addPostValue:(id <NSObject>)value forKey:(NSString *)key
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{
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if (!key) {
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return;
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}
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if (![self postData]) {
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[self setPostData:[NSMutableArray array]];
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}
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NSMutableDictionary *keyValuePair = [NSMutableDictionary dictionaryWithCapacity:2];
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[keyValuePair setValue:key forKey:@"key"];
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[keyValuePair setValue:[value description] forKey:@"value"];
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[[self postData] addObject:keyValuePair];
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}
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- (void)setPostValue:(id <NSObject>)value forKey:(NSString *)key
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{
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// Remove any existing value
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NSUInteger i;
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for (i=0; i<[[self postData] count]; i++) {
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NSDictionary *val = [[self postData] objectAtIndex:i];
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if ([[val objectForKey:@"key"] isEqualToString:key]) {
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[[self postData] removeObjectAtIndex:i];
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i--;
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}
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}
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[self addPostValue:value forKey:key];
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}
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- (void)addFile:(NSString *)filePath forKey:(NSString *)key
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{
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[self addFile:filePath withFileName:nil andContentType:nil forKey:key];
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}
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- (void)addFile:(NSString *)filePath withFileName:(NSString *)fileName andContentType:(NSString *)contentType forKey:(NSString *)key
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{
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BOOL isDirectory = NO;
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BOOL fileExists = [[[[NSFileManager alloc] init] autorelease] fileExistsAtPath:filePath isDirectory:&isDirectory];
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if (!fileExists || isDirectory) {
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[self failWithError:[NSError errorWithDomain:NetworkRequestErrorDomain code:ASIInternalErrorWhileBuildingRequestType userInfo:[NSDictionary dictionaryWithObjectsAndKeys:[NSString stringWithFormat:@"No file exists at %@",filePath],NSLocalizedDescriptionKey,nil]]];
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}
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// If the caller didn't specify a custom file name, we'll use the file name of the file we were passed
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if (!fileName) {
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fileName = [filePath lastPathComponent];
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}
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// If we were given the path to a file, and the user didn't specify a mime type, we can detect it from the file extension
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if (!contentType) {
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contentType = [ASIHTTPRequest mimeTypeForFileAtPath:filePath];
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}
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[self addData:filePath withFileName:fileName andContentType:contentType forKey:key];
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}
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- (void)setFile:(NSString *)filePath forKey:(NSString *)key
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{
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[self setFile:filePath withFileName:nil andContentType:nil forKey:key];
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}
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- (void)setFile:(id)data withFileName:(NSString *)fileName andContentType:(NSString *)contentType forKey:(NSString *)key
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{
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// Remove any existing value
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NSUInteger i;
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for (i=0; i<[[self fileData] count]; i++) {
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NSDictionary *val = [[self fileData] objectAtIndex:i];
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if ([[val objectForKey:@"key"] isEqualToString:key]) {
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[[self fileData] removeObjectAtIndex:i];
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i--;
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}
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}
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[self addFile:data withFileName:fileName andContentType:contentType forKey:key];
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}
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- (void)addData:(NSData *)data forKey:(NSString *)key
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{
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[self addData:data withFileName:@"file" andContentType:nil forKey:key];
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}
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- (void)addData:(id)data withFileName:(NSString *)fileName andContentType:(NSString *)contentType forKey:(NSString *)key
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{
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if (![self fileData]) {
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[self setFileData:[NSMutableArray array]];
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}
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if (!contentType) {
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contentType = @"application/octet-stream";
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}
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NSMutableDictionary *fileInfo = [NSMutableDictionary dictionaryWithCapacity:4];
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[fileInfo setValue:key forKey:@"key"];
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[fileInfo setValue:fileName forKey:@"fileName"];
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[fileInfo setValue:contentType forKey:@"contentType"];
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[fileInfo setValue:data forKey:@"data"];
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[[self fileData] addObject:fileInfo];
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}
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- (void)setData:(NSData *)data forKey:(NSString *)key
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{
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[self setData:data withFileName:@"file" andContentType:nil forKey:key];
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}
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- (void)setData:(id)data withFileName:(NSString *)fileName andContentType:(NSString *)contentType forKey:(NSString *)key
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{
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// Remove any existing value
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NSUInteger i;
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for (i=0; i<[[self fileData] count]; i++) {
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NSDictionary *val = [[self fileData] objectAtIndex:i];
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if ([[val objectForKey:@"key"] isEqualToString:key]) {
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[[self fileData] removeObjectAtIndex:i];
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i--;
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}
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}
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[self addData:data withFileName:fileName andContentType:contentType forKey:key];
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}
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- (void)buildPostBody
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{
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if ([self haveBuiltPostBody]) {
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return;
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}
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#if DEBUG_FORM_DATA_REQUEST
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[self setDebugBodyString:@""];
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#endif
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if (![self postData] && ![self fileData]) {
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[super buildPostBody];
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return;
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}
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if ([[self fileData] count] > 0) {
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[self setShouldStreamPostDataFromDisk:YES];
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}
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if ([self postFormat] == ASIURLEncodedPostFormat) {
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[self buildURLEncodedPostBody];
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} else {
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[self buildMultipartFormDataPostBody];
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}
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[super buildPostBody];
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#if DEBUG_FORM_DATA_REQUEST
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ASI_DEBUG_LOG(@"%@",[self debugBodyString]);
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[self setDebugBodyString:nil];
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#endif
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}
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- (void)buildMultipartFormDataPostBody
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{
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#if DEBUG_FORM_DATA_REQUEST
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[self addToDebugBody:@"\r\n==== Building a multipart/form-data body ====\r\n"];
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#endif
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NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding([self stringEncoding]));
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// We don't bother to check if post data contains the boundary, since it's pretty unlikely that it does.
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CFUUIDRef uuid = CFUUIDCreate(nil);
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NSString *uuidString = [(NSString*)CFUUIDCreateString(nil, uuid) autorelease];
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CFRelease(uuid);
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NSString *stringBoundary = [NSString stringWithFormat:@"0xKhTmLbOuNdArY-%@",uuidString];
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[self addRequestHeader:@"Content-Type" value:[NSString stringWithFormat:@"multipart/form-data; charset=%@; boundary=%@", charset, stringBoundary]];
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[self appendPostString:[NSString stringWithFormat:@"--%@\r\n",stringBoundary]];
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// Adds post data
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NSString *endItemBoundary = [NSString stringWithFormat:@"\r\n--%@\r\n",stringBoundary];
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NSUInteger i=0;
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for (NSDictionary *val in [self postData]) {
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[self appendPostString:[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",[val objectForKey:@"key"]]];
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[self appendPostString:[val objectForKey:@"value"]];
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i++;
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if (i != [[self postData] count] || [[self fileData] count] > 0) { //Only add the boundary if this is not the last item in the post body
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[self appendPostString:endItemBoundary];
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}
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}
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// Adds files to upload
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i=0;
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for (NSDictionary *val in [self fileData]) {
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[self appendPostString:[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n", [val objectForKey:@"key"], [val objectForKey:@"fileName"]]];
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[self appendPostString:[NSString stringWithFormat:@"Content-Type: %@\r\n\r\n", [val objectForKey:@"contentType"]]];
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id data = [val objectForKey:@"data"];
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if ([data isKindOfClass:[NSString class]]) {
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[self appendPostDataFromFile:data];
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} else {
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[self appendPostData:data];
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}
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i++;
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// Only add the boundary if this is not the last item in the post body
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if (i != [[self fileData] count]) {
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[self appendPostString:endItemBoundary];
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}
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}
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[self appendPostString:[NSString stringWithFormat:@"\r\n--%@--\r\n",stringBoundary]];
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#if DEBUG_FORM_DATA_REQUEST
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[self addToDebugBody:@"==== End of multipart/form-data body ====\r\n"];
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#endif
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}
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- (void)buildURLEncodedPostBody
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{
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// We can't post binary data using application/x-www-form-urlencoded
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if ([[self fileData] count] > 0) {
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[self setPostFormat:ASIMultipartFormDataPostFormat];
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[self buildMultipartFormDataPostBody];
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return;
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}
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#if DEBUG_FORM_DATA_REQUEST
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[self addToDebugBody:@"\r\n==== Building an application/x-www-form-urlencoded body ====\r\n"];
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#endif
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NSString *charset = (NSString *)CFStringConvertEncodingToIANACharSetName(CFStringConvertNSStringEncodingToEncoding([self stringEncoding]));
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[self addRequestHeader:@"Content-Type" value:[NSString stringWithFormat:@"application/x-www-form-urlencoded; charset=%@",charset]];
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NSUInteger i=0;
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NSUInteger count = [[self postData] count]-1;
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for (NSDictionary *val in [self postData]) {
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NSString *data = [NSString stringWithFormat:@"%@=%@%@", [self encodeURL:[val objectForKey:@"key"]], [self encodeURL:[val objectForKey:@"value"]],(i<count ? @"&" : @"")];
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[self appendPostString:data];
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i++;
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}
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#if DEBUG_FORM_DATA_REQUEST
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[self addToDebugBody:@"\r\n==== End of application/x-www-form-urlencoded body ====\r\n"];
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#endif
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}
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- (void)appendPostString:(NSString *)string
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{
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#if DEBUG_FORM_DATA_REQUEST
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[self addToDebugBody:string];
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#endif
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[super appendPostData:[string dataUsingEncoding:[self stringEncoding]]];
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}
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#if DEBUG_FORM_DATA_REQUEST
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- (void)appendPostData:(NSData *)data
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{
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[self addToDebugBody:[NSString stringWithFormat:@"[%lu bytes of data]",(unsigned long)[data length]]];
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[super appendPostData:data];
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}
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- (void)appendPostDataFromFile:(NSString *)file
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{
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NSError *err = nil;
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unsigned long long fileSize = [[[[[[NSFileManager alloc] init] autorelease] attributesOfItemAtPath:file error:&err] objectForKey:NSFileSize] unsignedLongLongValue];
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if (err) {
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[self addToDebugBody:[NSString stringWithFormat:@"[Error: Failed to obtain the size of the file at '%@']",file]];
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} else {
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[self addToDebugBody:[NSString stringWithFormat:@"[%llu bytes of data from file '%@']",fileSize,file]];
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}
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[super appendPostDataFromFile:file];
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}
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- (void)addToDebugBody:(NSString *)string
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{
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if (string) {
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[self setDebugBodyString:[[self debugBodyString] stringByAppendingString:string]];
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}
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}
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#endif
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#pragma mark NSCopying
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- (id)copyWithZone:(NSZone *)zone
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{
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ASIFormDataRequest *newRequest = [super copyWithZone:zone];
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[newRequest setPostData:[[[self postData] mutableCopyWithZone:zone] autorelease]];
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[newRequest setFileData:[[[self fileData] mutableCopyWithZone:zone] autorelease]];
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[newRequest setPostFormat:[self postFormat]];
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[newRequest setStringEncoding:[self stringEncoding]];
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[newRequest setRequestMethod:[self requestMethod]];
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return newRequest;
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}
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@synthesize postData;
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@synthesize fileData;
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@synthesize postFormat;
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@synthesize stringEncoding;
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#if DEBUG_FORM_DATA_REQUEST
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@synthesize debugBodyString;
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#endif
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@end
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