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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 6 #error "This file requires ARC support." |
| 7 #endif |
| 8 |
| 9 #import "remoting/ios/authorize.h" |
| 10 |
| 11 // TODO (aboone) This include is for The Google Toolbox for Mac OAuth 2 |
| 12 // Controllers https://code.google.com/p/gtm-oauth2/ This may need to be added |
| 13 // as a third-party or locate the proper project in Chromium. |
| 14 #import "GTMOAuth2ViewControllerTouch.h" |
| 15 |
| 16 #include "google_apis/google_api_keys.h" |
| 17 // TODO (aboone) Pulling in some service values from the host side. The cc's |
| 18 // are also compiled as part of this project because the target remoting_host |
| 19 // does not build on iOS right now. |
| 20 #include "remoting/host/service_urls.h" |
| 21 #include "remoting/host/setup/oauth_helper.h" |
| 22 |
| 23 namespace { |
| 24 static NSString* const kKeychainItemName = @"Google Chromoting iOS"; |
| 25 |
| 26 NSString* ClientId() { |
| 27 return |
| 28 [NSString stringWithUTF8String:google_apis::GetOAuth2ClientID( |
| 29 google_apis::CLIENT_REMOTING).c_str()]; |
| 30 } |
| 31 |
| 32 NSString* ClientSecret() { |
| 33 return |
| 34 [NSString stringWithUTF8String:google_apis::GetOAuth2ClientSecret( |
| 35 google_apis::CLIENT_REMOTING).c_str()]; |
| 36 } |
| 37 |
| 38 NSString* Scopes() { |
| 39 return [NSString stringWithUTF8String:remoting::GetOauthScope().c_str()]; |
| 40 } |
| 41 |
| 42 NSMutableString* HostURL() { |
| 43 return |
| 44 [NSMutableString stringWithUTF8String:remoting::ServiceUrls::GetInstance() |
| 45 ->directory_hosts_url() |
| 46 .c_str()]; |
| 47 } |
| 48 |
| 49 NSString* APIKey() { |
| 50 return [NSString stringWithUTF8String:google_apis::GetAPIKey().c_str()]; |
| 51 } |
| 52 |
| 53 } // namespace |
| 54 |
| 55 @implementation Authorize |
| 56 |
| 57 + (GTMOAuth2Authentication*)getAnyExistingAuthorization { |
| 58 // Ensure the google_apis lib has keys |
| 59 // If this check fails then google_apis was not built right |
| 60 // TODO (aboone) For now we specify the preprocessor macros for |
| 61 // GOOGLE_CLIENT_SECRET_REMOTING and GOOGLE_CLIENT_ID_REMOTING when building |
| 62 // the google_apis target. The values may be developer specific, and should |
| 63 // be well know to the project staff. |
| 64 // See http://www.chromium.org/developers/how-tos/api-keys for more general |
| 65 // information. |
| 66 DCHECK(![ClientId() isEqualToString:@"dummytoken"]); |
| 67 |
| 68 return [GTMOAuth2ViewControllerTouch |
| 69 authForGoogleFromKeychainForName:kKeychainItemName |
| 70 clientID:ClientId() |
| 71 clientSecret:ClientSecret()]; |
| 72 } |
| 73 |
| 74 + (void)beginRequest:(GTMOAuth2Authentication*)authReq |
| 75 delegate:(id)delegate |
| 76 didFinishSelector:(SEL)sel { |
| 77 // Build request URL using API HTTP endpoint, and our api key |
| 78 NSMutableString* hostsUrl = HostURL(); |
| 79 [hostsUrl appendString:@"?key="]; |
| 80 [hostsUrl appendString:APIKey()]; |
| 81 |
| 82 NSMutableURLRequest* theRequest = |
| 83 [NSMutableURLRequest requestWithURL:[NSURL URLWithString:hostsUrl]]; |
| 84 |
| 85 // Add scopes if needed |
| 86 NSString* scope = authReq.scope; |
| 87 |
| 88 if ([scope rangeOfString:Scopes()].location == NSNotFound) { |
| 89 scope = [GTMOAuth2Authentication scopeWithStrings:scope, Scopes(), nil]; |
| 90 authReq.scope = scope; |
| 91 } |
| 92 |
| 93 // Execute request async |
| 94 [authReq authorizeRequest:theRequest delegate:delegate didFinishSelector:sel]; |
| 95 } |
| 96 |
| 97 + (void)appendCredentials:(NSMutableURLRequest*)request { |
| 98 // Add credentials for service |
| 99 [request addValue:ClientId() forHTTPHeaderField:@"client_id"]; |
| 100 [request addValue:ClientSecret() forHTTPHeaderField:@"client_secret"]; |
| 101 } |
| 102 |
| 103 + (UINavigationController*)createLoginController:(id)delegate |
| 104 finishedSelector:(SEL)finishedSelector { |
| 105 [GTMOAuth2ViewControllerTouch |
| 106 removeAuthFromKeychainForName:kKeychainItemName]; |
| 107 |
| 108 // When the sign in is complete a http redirection occurs, and the |
| 109 // user would see the output. We do not want the user to notice this |
| 110 // transition. Wrapping the oAuth2 Controller in a |
| 111 // UINavigationController causes the view to render as a blank/black |
| 112 // page when a http redirection occurs. |
| 113 return [[UINavigationController alloc] |
| 114 initWithRootViewController:[[GTMOAuth2ViewControllerTouch alloc] |
| 115 initWithScope:Scopes() |
| 116 clientID:ClientId() |
| 117 clientSecret:ClientSecret() |
| 118 keychainItemName:kKeychainItemName |
| 119 delegate:delegate |
| 120 finishedSelector:finishedSelector]]; |
| 121 } |
| 122 |
| 123 @end |
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