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POAFOAuth2Client unable to access resource
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copied!<p>Using AFOAuth2Client and AFNetworking on iOS 6 I am able to get an access token, but am unable to access a resource, the server responds with a status code of 401 unauthorized. This is against a custom Rails 3 API backend using doorkeeper as the OAuth provider. The following client ruby code, using the OAuth2 gem, works OK:</p> <pre><code>client = OAuth2::Client.new(app_id, secret, site: "http://subdomain.example.com/") access_token = client.password.get_token('username', 'password') access_token.get('/api/1/products').parsed </code></pre> <p>The iOS code is as below, in the login button handler I authenticate using the username and password, and store the credentials:</p> <pre><code>- (IBAction)login:(id)sender { NSString *username = [usernameField text]; NSString *password = [passwordField text]; NSURL *url = [NSURL URLWithString:kClientBaseURL]; AFOAuth2Client *client = [AFOAuth2Client clientWithBaseURL:url clientID:kClientID secret:kClientSecret]; [client authenticateUsingOAuthWithPath:@"oauth/token" username:username password:password scope:nil success:^(AFOAuthCredential *credential) { NSLog(@"Successfully received OAuth credentials %@", credential.accessToken); [AFOAuthCredential storeCredential:credential withIdentifier:client.serviceProviderIdentifier]; [self performSegueWithIdentifier:@"LoginSegue" sender:sender]; } failure:^(NSError *error) { NSLog(@"Error: %@", error); [passwordField setText:@""]; }]; } </code></pre> <p>and I've subclassed <code>AFHTTPClient</code> for my endpoint and in <code>initWithBaseURL</code> it retrieves the credentials and sets the authorization header with the access token:</p> <pre><code>- (id)initWithBaseURL:(NSURL *)url { self = [super initWithBaseURL:url]; if (!self) { return nil; } [self registerHTTPOperationClass:[AFJSONRequestOperation class]]; [self setDefaultHeader:@"Accept" value:@"application/json"]; AFOAuthCredential *credential = [AFOAuthCredential retrieveCredentialWithIdentifier:@"subdomain.example.com"]; [self setAuthorizationHeaderWithToken:credential.accessToken]; return self; } </code></pre> <p>Is this the correct way to use AFOAuth2Client and AFNetworking? And any idea why this is not working?</p>

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