blob: 5be33353188737b351cd5f910c3adacaa549ba6c [file] [log] [blame]
* Copyright 2014 The WebRTC Project Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#import "ARDCEODTURNClient.h"
#import "ARDUtilities.h"
#import "RTCIceServer+JSON.h"
// TODO(tkchin): move this to a configuration object.
static NSString *kTURNOriginURLString = @"";
static NSString *kARDCEODTURNClientErrorDomain = @"ARDCEODTURNClient";
static NSInteger kARDCEODTURNClientErrorBadResponse = -1;
@implementation ARDCEODTURNClient {
NSURL *_url;
- (instancetype)initWithURL:(NSURL *)url {
NSParameterAssert([url absoluteString].length);
if (self = [super init]) {
_url = url;
return self;
- (void)requestServersWithCompletionHandler:
(void (^)(NSArray *turnServers,
NSError *error))completionHandler {
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:_url];
// We need to set origin because TURN provider whitelists requests based on
// origin.
[request addValue:@"Mozilla/5.0" forHTTPHeaderField:@"user-agent"];
[request addValue:kTURNOriginURLString forHTTPHeaderField:@"origin"];
[NSURLConnection sendAsyncRequest:request
completionHandler:^(NSURLResponse *response,
NSData *data,
NSError *error) {
NSArray *turnServers = [NSArray array];
if (error) {
completionHandler(nil, error);
NSDictionary *dict = [NSDictionary dictionaryWithJSONData:data];
turnServers = @[ [RTCIceServer serverFromCEODJSONDictionary:dict] ];
if (!turnServers) {
NSError *responseError =
[[NSError alloc] initWithDomain:kARDCEODTURNClientErrorDomain
NSLocalizedDescriptionKey: @"Bad TURN response.",
completionHandler(turnServers, responseError);
completionHandler(turnServers, nil);