-
Notifications
You must be signed in to change notification settings - Fork 213
/
SRHttpHelper.m
236 lines (210 loc) · 10 KB
/
SRHttpHelper.m
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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
//
// SRHttpHelper.m
// SignalR
//
// Created by Alex Billingsley on 10/18/11.
// Copyright (c) 2011 DyKnow LLC. (http://dyknow.com/)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of
// the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#import "SRHttpHelper.h"
#import "SRSignalRConfig.h"
#import "AFNetworking.h"
#import "NSDictionary+QueryString.h"
@interface SRHttpHelper ()
#pragma mark -
#pragma mark GET Requests Implementation
/**
* Helper for getAsync functions, performs the GET request
* Subclasses should override this function
*
* @param url: The url relative to the server endpoint
* @param parameters: An Object that conforms to proxyForJSON to pass as parameters to the endpoint
* @param requestPreparer: A function to be called on the NSMutableURLRequest created for the request
* This can be used to modify properties of the POST, for example timeout or cache protocol
* @param block: A function to be called when the post finishes. The block should handle both SUCCESS and FAILURE
*/
- (void)getInternal:(NSString *)url requestPreparer:(void(^)(id))requestPreparer parameters:(id)parameters continueWith:(void (^)(id response))block;
#pragma mark -
#pragma mark POST Requests Implementation
/**
* Helper for postAsync functions, performs the POST request
* Subclasses should override this function
*
* @param url: The url relative to the server endpoint
* @param postData: An Object that conforms to proxyForJSON to post at the url
* @param requestPreparer: A function to be called on the NSMutableURLRequest created for the request
* This can be used to modify properties of the POST, for example timeout or cache protocol
* @param block: A function to be called when the post finishes. The block should handle both SUCCESS and FAILURE
*/
- (void)postInternal:(NSString *)url requestPreparer:(void(^)(id))requestPreparer postData:(id)postData continueWith:(void (^)(id response))block;
@end
static id sharedHttpRequestManager = nil;
@implementation SRHttpHelper
+ (id)sharedHttpRequestManager
{
if (sharedHttpRequestManager == nil) {
sharedHttpRequestManager = [[self alloc] init];
}
return sharedHttpRequestManager;
}
#pragma mark -
#pragma mark GET Requests Implementation
+ (void)getAsync:(NSString *)url continueWith:(void (^)(id response))block
{
[[self class] getAsync:url requestPreparer:nil continueWith:block];
}
+ (void)getAsync:(NSString *)url requestPreparer:(void(^)(id))requestPreparer continueWith:(void (^)(id response))block
{
[[self class] getAsync:url requestPreparer:requestPreparer parameters:[[NSDictionary alloc] init] continueWith:block];
}
+ (void)getAsync:(NSString *)url parameters:(id)parameters continueWith:(void (^)(id response))block;
{
[[self class] getAsync:url requestPreparer:nil parameters:parameters continueWith:block];
}
+ (void)getAsync:(NSString *)url requestPreparer:(void(^)(id))requestPreparer parameters:(id)parameters continueWith:(void (^)(id response))block
{
[[self sharedHttpRequestManager] getInternal:url requestPreparer:requestPreparer parameters:parameters continueWith:block];
}
- (void)getInternal:(NSString *)url requestPreparer:(void(^)(id))requestPreparer parameters:(id)parameters continueWith:(void (^)(id response))block
{
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]];
[request setHTTPMethod:@"GET"];
[request setValue:@"Keep-Alive" forHTTPHeaderField:@"Connection"];
[request setTimeoutInterval:240];
if(requestPreparer != nil)
{
requestPreparer(request);
}
#if DEBUG_HTTP_HELPER
NSString *debugOutput = [NSString stringWithFormat:@"%@ %@\n",request.HTTPMethod,[request.URL absoluteString]];
debugOutput = [debugOutput stringByAppendingFormat:@"HEADERS=%@ \n",request.allHTTPHeaderFields];
debugOutput = [debugOutput stringByAppendingFormat:@"BODY=%@ \n",request.HTTPBody];
debugOutput = [debugOutput stringByAppendingFormat:@"TIMEOUT=%@ \n",request.timeoutInterval];
SR_DEBUG_LOG(@"[HTTPHELPER] %@",debugOutput);
#endif
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
if(requestPreparer != nil)
{
requestPreparer(operation);
}
//This is a little hacky but it allows us to only use the output stream for SSE only
BOOL useOutputStream = ([[request.allHTTPHeaderFields objectForKey:@"Accept"] isEqualToString:@"text/event-stream"]);
if(useOutputStream)
{
NSOutputStream *oStream = [NSOutputStream outputStreamToMemory];
if(block)
{
block(oStream);
}
operation.outputStream = oStream;
}
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject)
{
#if DEBUG_HTTP_HELPER
NSString *debugOutput = [NSString stringWithFormat:@"Request (%@ %@) was successful\n",operation.request.HTTPMethod,[operation.request.URL absoluteString]];
debugOutput = [debugOutput stringByAppendingFormat:@"RESPONSE=%@ \n",operation.responseString];
SR_DEBUG_LOG(@"[HTTPHELPER] %@",debugOutput);
#endif
if (block)
{
block((useOutputStream) ? nil : operation.responseString);
}
}
failure:^(AFHTTPRequestOperation *operation, NSError *error)
{
#if DEBUG_HTTP_HELPER
NSString *debugOutput = [NSString stringWithFormat:@"Request (%@ %@) failed \n",operation.request.HTTPMethod,[operation.request.URL absoluteString]];
debugOutput = [debugOutput stringByAppendingFormat:@"ERROR=%@ \n",error];
SR_DEBUG_LOG(@"[HTTPHELPER] %@",debugOutput);
#endif
if (block)
{
block(error);
}
}];
[operation start];
}
#pragma mark -
#pragma mark POST Requests Implementation
+ (void)postAsync:(NSString *)url continueWith:(void (^)(id response))block
{
[[self class] postAsync:url requestPreparer:nil continueWith:block];
}
+ (void)postAsync:(NSString *)url requestPreparer:(void(^)(id))requestPreparer continueWith:(void (^)(id response))block
{
[[self class] postAsync:url requestPreparer:requestPreparer postData:[[NSDictionary alloc] init] continueWith:block];
}
+ (void)postAsync:(NSString *)url postData:(id)postData continueWith:(void (^)(id response))block
{
[[self class] postAsync:url requestPreparer:nil postData:postData continueWith:block];
}
+ (void)postAsync:(NSString *)url requestPreparer:(void(^)(id))requestPreparer postData:(id)postData continueWith:(void (^)(id response))block
{
[[self sharedHttpRequestManager] postInternal:url requestPreparer:requestPreparer postData:postData continueWith:block];
}
- (void)postInternal:(NSString *)url requestPreparer:(void(^)(id))requestPreparer postData:(id)postData continueWith:(void (^)(id response))block
{
NSData *requestData = [[postData stringWithFormEncodedComponents] dataUsingEncoding:NSUTF8StringEncoding allowLossyConversion:YES];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]];
[request setHTTPMethod:@"POST"];
[request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
[request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
[request setValue:[NSString stringWithFormat:@"%d", [requestData length]] forHTTPHeaderField:@"Content-Length"];
[request setHTTPBody: requestData];
[request setTimeoutInterval:240];
if(requestPreparer != nil)
{
requestPreparer(request);
}
#if DEBUG_HTTP_HELPER
NSString *debugOutput = [NSString stringWithFormat:@"%@ %@\n",request.HTTPMethod,[request.URL absoluteString]];
debugOutput = [debugOutput stringByAppendingFormat:@"HEADERS=%@ \n",request.allHTTPHeaderFields];
debugOutput = [debugOutput stringByAppendingFormat:@"BODY=%@ \n",request.HTTPBody];
debugOutput = [debugOutput stringByAppendingFormat:@"TIMEOUT=%@ \n",request.timeoutInterval];
SR_DEBUG_LOG(@"[HTTPHELPER] %@",debugOutput);
#endif
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
if(requestPreparer != nil)
{
requestPreparer(operation);
}
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject)
{
#if DEBUG_HTTP_HELPER
NSString *debugOutput = [NSString stringWithFormat:@"Request (%@ %@) was successful\n",operation.request.HTTPMethod,[operation.request.URL absoluteString]];
debugOutput = [debugOutput stringByAppendingFormat:@"RESPONSE=%@ \n",operation.responseString];
SR_DEBUG_LOG(@"[HTTPHELPER] %@",debugOutput);
#endif
if (block)
{
block(operation.responseString);
}
}
failure:^(AFHTTPRequestOperation *operation, NSError *error)
{
#if DEBUG_HTTP_HELPER
NSString *debugOutput = [NSString stringWithFormat:@"Request (%@ %@) failed \n",operation.request.HTTPMethod,[operation.request.URL absoluteString]];
debugOutput = [debugOutput stringByAppendingFormat:@"ERROR=%@ \n",error];
SR_DEBUG_LOG(@"[HTTPHELPER] %@",debugOutput);
#endif
if (block)
{
block(error);
}
}];
[operation start];
}
@end