 5f93d0a140
			
		
	
	5f93d0a140
	
	
	
		
			
			BUG=2133 R=juberti@webrtc.org Review URL: https://webrtc-codereview.appspot.com/39559004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@8105 4adac7df-926f-26a2-2b94-8c16560cd09d
		
			
				
	
	
		
			84 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
| /*
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|  * libjingle
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|  * Copyright 2014 Google Inc.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  *  1. Redistributions of source code must retain the above copyright notice,
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|  *     this list of conditions and the following disclaimer.
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|  *  2. Redistributions in binary form must reproduce the above copyright notice,
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|  *     this list of conditions and the following disclaimer in the documentation
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|  *     and/or other materials provided with the distribution.
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|  *  3. The name of the author may not be used to endorse or promote products
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|  *     derived from this software without specific prior written permission.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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|  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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|  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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|  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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|  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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|  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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|  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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|  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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|  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #import "ARDCEODTURNClient.h"
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| 
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| #import "ARDUtilities.h"
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| #import "RTCICEServer+JSON.h"
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| 
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| // TODO(tkchin): move this to a configuration object.
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| static NSString *kTURNOriginURLString = @"https://apprtc.appspot.com";
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| static NSString *kARDCEODTURNClientErrorDomain = @"ARDCEODTURNClient";
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| static NSInteger kARDCEODTURNClientErrorBadResponse = -1;
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| 
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| @implementation ARDCEODTURNClient {
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|   NSURL *_url;
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| }
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| 
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| - (instancetype)initWithURL:(NSURL *)url {
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|   NSParameterAssert([url absoluteString].length);
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|   if (self = [super init]) {
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|     _url = url;
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|   }
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|   return self;
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| }
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| 
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| - (void)requestServersWithCompletionHandler:
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|     (void (^)(NSArray *turnServers,
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|               NSError *error))completionHandler {
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|   NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:_url];
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|   // We need to set origin because TURN provider whitelists requests based on
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|   // origin.
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|   [request addValue:@"Mozilla/5.0" forHTTPHeaderField:@"user-agent"];
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|   [request addValue:kTURNOriginURLString forHTTPHeaderField:@"origin"];
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|   [NSURLConnection sendAsyncRequest:request
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|                   completionHandler:^(NSURLResponse *response,
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|                                       NSData *data,
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|                                       NSError *error) {
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|     NSArray *turnServers = [NSArray array];
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|     if (error) {
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|       completionHandler(turnServers, error);
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|       return;
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|     }
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|     NSDictionary *dict = [NSDictionary dictionaryWithJSONData:data];
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|     turnServers = [RTCICEServer serversFromCEODJSONDictionary:dict];
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|     if (!turnServers) {
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|       NSError *responseError =
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|           [[NSError alloc] initWithDomain:kARDCEODTURNClientErrorDomain
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|                                      code:kARDCEODTURNClientErrorBadResponse
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|                                  userInfo:@{
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|             NSLocalizedDescriptionKey: @"Bad TURN response.",
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|           }];
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|       completionHandler(turnServers, responseError);
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|       return;
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|     }
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|     completionHandler(turnServers, nil);
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|   }];
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| }
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| 
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| @end
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