[oauth] Re: invalid sinature problem

[John Kristian]

Here's a simpler way, which works for me.

import net.oauth.OAuth;
import net.oauth.OAuthAccessor;
import net.oauth.OAuthConsumer;
import net.oauth.OAuthProblemException;
import net.oauth.OAuthServiceProvider;
import net.oauth.client.OAuthClient;
import net.oauth.client.httpclient4.HttpClient4;
import net.oauth.http.HttpMessage;

public class YahooContacts {
  private static final String consumerKey = ...
  private static final String consumerSecret = ...
  public static void main(String[] args) throws Exception {
    OAuthClient client = new OAuthClient(new HttpClient4());
    OAuthAccessor accessor = new OAuthAccessor(
      new OAuthConsumer(
        null,
        consumerKey,
        consumerSecret,
        new OAuthServiceProvider(
          "https://api.login.yahoo.com/oauth/v2/get_request_token";,
          "https://api.login.yahoo.com/oauth/v2/request_auth";,
          "https://api.login.yahoo.com/oauth/v2/get_token";)));
    final String callback = "oob";
    try {
      client.getRequestToken(accessor, null,
        OAuth.newList(OAuth.OAUTH_CALLBACK, callback));
      System.out.println(OAuth.addParameters(
        accessor.consumer.serviceProvider.userAuthorizationURL,
        OAuth.OAUTH_TOKEN, accessor.requestToken));
    } catch (OAuthProblemException problem) {
      System.err.println(problem.getParameters().get(
        HttpMessage.RESPONSE));
    }
  }
}

The imports are available via Maven:

    <dependency>
      <groupId>net.oauth.core</groupId>
      <artifactId>oauth</artifactId>
      <version>20090825</version>
    </dependency>
    <dependency>
      <groupId>net.oauth.core</groupId>
      <artifactId>oauth-httpclient4</artifactId>
      <version>20090617</version>
    </dependency>

    <repository>
      <id>oauth</id>
      <name>OAuth Repository</name>
      <url>http://oauth.googlecode.com/svn/code/maven</url>
    </repository>

On Aug 25, 6:04 am, stager0909 <stager0...@gmail.com> wrote:
> I want to use yahoo contact api. So I try oauth using HMAC-SHA1
> algorithm. But I fail to acquire request token.
> result message : Unable to respond to any of these challenges:
> {oauth=OAuth oauth_problem=signature_invalid}

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