1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
// 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"
#import "GTMDefines.h"
@interface HTTPMultipartUpload(PrivateMethods)
- (NSString *)multipartBoundary;
// Each of the following methods will append the starting multipart boundary,
// but not the ending one.
- (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];
[data appendData:[pre dataUsingEncoding:NSUTF8StringEncoding]];
[data appendData:contents];
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];
[req setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@",
boundary_] forHTTPHeaderField:@"Content-type"];
// Add any parameters to the message
NSArray *parameterKeys = [parameters_ allKeys];
NSString *key;
NSInteger count = [parameterKeys count];
for (NSInteger 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 (NSInteger 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];
}
NSString *epilogue = [NSString stringWithFormat:@"\r\n--%@--\r\n", boundary_];
[postBody appendData:[epilogue dataUsingEncoding:NSUTF8StringEncoding]];
[req setHTTPBody:postBody];
[req setHTTPMethod:@"POST"];
[response_ release];
response_ = nil;
NSData *data = nil;
if ([[req URL] isFileURL]) {
[[req HTTPBody] writeToURL:[req URL] options:0 error:error];
} else {
NSURLResponse *response = nil;
data = [NSURLConnection sendSynchronousRequest:req
returningResponse:&response
error:error];
response_ = (NSHTTPURLResponse *)[response retain];
}
[req release];
return data;
}
//=============================================================================
- (NSHTTPURLResponse *)response {
return response_;
}
@end
|
