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// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import "HTTPMultipartUpload.h"
@interface HTTPMultipartUpload(PrivateMethods)
- (NSString *)multipartBoundary;
- (NSData *)formDataForKey:(NSString *)key value:(NSString *)value;
- (NSData *)formDataForFileContents:(NSData *)contents name:(NSString *)name;
- (NSData *)formDataForFile:(NSString *)file name:(NSString *)name;
@end
@implementation HTTPMultipartUpload
//=============================================================================
#pragma mark -
#pragma mark || Private ||
//=============================================================================
- (NSString *)multipartBoundary {
// The boundary has 27 '-' characters followed by 16 hex digits
return [NSString stringWithFormat:@"---------------------------%08X%08X",
rand(), rand()];
}
//=============================================================================
- (NSData *)formDataForKey:(NSString *)key value:(NSString *)value {
NSString *escaped =
[key stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSString *fmt =
@"--%@\r\nContent-Disposition: form-data; name=\"%@\"\r\n\r\n%@\r\n";
NSString *form = [NSString stringWithFormat:fmt, boundary_, escaped, value];
return [form dataUsingEncoding:NSUTF8StringEncoding];
}
//=============================================================================
- (NSData *)formDataForFileContents:(NSData *)contents name:(NSString *)name {
NSMutableData *data = [NSMutableData data];
NSString *escaped =
[name stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSString *fmt = @"--%@\r\nContent-Disposition: form-data; name=\"%@\"; "
"filename=\"minidump.dmp\"\r\nContent-Type: application/octet-stream\r\n\r\n";
NSString *pre = [NSString stringWithFormat:fmt, boundary_, escaped];
NSString *post = [NSString stringWithFormat:@"\r\n--%@--\r\n", boundary_];
[data appendData:[pre dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:contents];
[data appendData:[post dataUsingEncoding:NSUTF8StringEncoding]];
return data;
}
//=============================================================================
- (NSData *)formDataForFile:(NSString *)file name:(NSString *)name {
NSData *contents = [NSData dataWithContentsOfFile:file];
return [self formDataForFileContents:contents name:name];
}
//=============================================================================
#pragma mark -
#pragma mark || Public ||
//=============================================================================
- (id)initWithURL:(NSURL *)url {
if ((self = [super init])) {
url_ = [url copy];
boundary_ = [[self multipartBoundary] retain];
files_ = [[NSMutableDictionary alloc] init];
}
return self;
}
//=============================================================================
- (void)dealloc {
[url_ release];
[parameters_ release];
[files_ release];
[boundary_ release];
[response_ release];
[super dealloc];
}
//=============================================================================
- (NSURL *)URL {
return url_;
}
//=============================================================================
- (void)setParameters:(NSDictionary *)parameters {
if (parameters != parameters_) {
[parameters_ release];
parameters_ = [parameters copy];
}
}
//=============================================================================
- (NSDictionary *)parameters {
return parameters_;
}
//=============================================================================
- (void)addFileAtPath:(NSString *)path name:(NSString *)name {
[files_ setObject:path forKey:name];
}
//=============================================================================
- (void)addFileContents:(NSData *)data name:(NSString *)name {
[files_ setObject:data forKey:name];
}
//=============================================================================
- (NSDictionary *)files {
return files_;
}
//=============================================================================
- (NSData *)send:(NSError **)error {
NSMutableURLRequest *req =
[[NSMutableURLRequest alloc]
initWithURL:url_ cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:10.0 ];
NSMutableData *postBody = [NSMutableData data];
int i, count;
[req setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@",
boundary_] forHTTPHeaderField:@"Content-type"];
// Add any parameters to the message
NSArray *parameterKeys = [parameters_ allKeys];
NSString *key;
count = [parameterKeys count];
for (i = 0; i < count; ++i) {
key = [parameterKeys objectAtIndex:i];
[postBody appendData:[self formDataForKey:key
value:[parameters_ objectForKey:key]]];
}
// Add any files to the message
NSArray *fileNames = [files_ allKeys];
count = [fileNames count];
for (i = 0; i < count; ++i) {
NSString *name = [fileNames objectAtIndex:i];
id fileOrData = [files_ objectForKey:name];
NSData *fileData;
// The object can be either the path to a file (NSString) or the contents
// of the file (NSData).
if ([fileOrData isKindOfClass:[NSData class]])
fileData = [self formDataForFileContents:fileOrData name:name];
else
fileData = [self formDataForFile:fileOrData name:name];
[postBody appendData:fileData];
}
[req setHTTPBody:postBody];
[req setHTTPMethod:@"POST"];
return [NSURLConnection sendSynchronousRequest:req
returningResponse:&response_
error:error];
}
//=============================================================================
- (NSHTTPURLResponse *)response {
return response_;
}
@end
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