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package play.libs;
import oauth.signpost.OAuthConsumer;
import oauth.signpost.OAuthProvider;
import oauth.signpost.basic.DefaultOAuthConsumer;
import oauth.signpost.basic.DefaultOAuthProvider;
import oauth.signpost.exception.OAuthCommunicationException;
import oauth.signpost.exception.OAuthException;
import oauth.signpost.exception.OAuthExpectationFailedException;
import oauth.signpost.exception.OAuthMessageSignerException;
import oauth.signpost.exception.OAuthNotAuthorizedException;
import play.mvc.Http.Request;
import play.mvc.Scope.Params;
/**
* Library to access ressources protected by OAuth 1.0a. For OAuth 2.0, see play.libs.OAuth2.
*
*/
public class OAuth {
private ServiceInfo info;
private OAuthProvider provider;
private OAuth(ServiceInfo info) {
this.info = info;
provider = new DefaultOAuthProvider(info.requestTokenURL, info.accessTokenURL, info.authorizationURL);
provider.setOAuth10a(true);
}
/**
* Create an OAuth object for the service described in info
* @param info must contain all informations related to the service
* @return the OAuth object
*/
public static OAuth service(ServiceInfo info) {
return new OAuth(info);
}
public static boolean isVerifierResponse() {
return Params.current().get("oauth_verifier") != null;
}
/**
* Request the request token and secret.
* @return a Response object holding either the result in case of a success or the error
*/
public Response retrieveRequestToken() {
return retrieveRequestToken(Request.current().getBase() + Request.current().url);
}
/**
* Request the request token and secret.
* @param callbackURL the URL where the provider should redirect to
* @return a Response object holding either the result in case of a success or the error
*/
public Response retrieveRequestToken(String callbackURL) {
OAuthConsumer consumer = new DefaultOAuthConsumer(info.consumerKey, info.consumerSecret);
try {
provider.retrieveRequestToken(consumer, callbackURL);
} catch (OAuthException e) {
return Response.error(new Error(e));
}
return Response.success(consumer.getToken(), consumer.getTokenSecret());
}
/**
* Exchange a request token for an access token.
* @param requestTokenResponse a successful response obtained from retrieveRequestToken
* @return a Response object holding either the result in case of a success or the error
*/
public Response retrieveAccessToken(Response requestTokenResponse) {
return retrieveAccessToken(requestTokenResponse.token, requestTokenResponse.secret);
}
/**
* Exchange a request token for an access token.
* @param token the token obtained from a previous call
* @param secret your application secret
* @return a Response object holding either the result in case of a success or the error
*/
public Response retrieveAccessToken(String token, String secret) {
OAuthConsumer consumer = new DefaultOAuthConsumer(info.consumerKey, info.consumerSecret);
consumer.setTokenWithSecret(token, secret);
String verifier = Params.current().get("oauth_verifier");
try {
provider.retrieveAccessToken(consumer, verifier);
} catch (OAuthException e) {
return Response.error(new Error(e));
}
return Response.success(consumer.getToken(), consumer.getTokenSecret());
}
/**
* Request the unauthorized token and secret. They can then be read with getTokens()
* @return the url to redirect the user to get the verifier and continue the process
* @deprecated use retrieveRequestToken() instead
*/
@Deprecated
public TokenPair requestUnauthorizedToken() {
Response response = retrieveRequestToken();
return new TokenPair(response.token, response.secret);
}
/**
* @deprecated use retrieveAccessToken() instead
*/
@Deprecated
public TokenPair requestAccessToken(TokenPair tokenPair) {
Response response = retrieveAccessToken(tokenPair.token, tokenPair.secret);
return new TokenPair(response.token, response.secret);
}
public String redirectUrl(String token) {
return oauth.signpost.OAuth.addQueryParameters(provider.getAuthorizationWebsiteUrl(),
oauth.signpost.OAuth.OAUTH_TOKEN, token);
}
@Deprecated
public String redirectUrl(TokenPair tokenPair) {
return oauth.signpost.OAuth.addQueryParameters(provider.getAuthorizationWebsiteUrl(),
oauth.signpost.OAuth.OAUTH_TOKEN, tokenPair.token);
}
/**
* Information relative to an OAuth 1.0 provider.
*
*/
public static class ServiceInfo {
public String requestTokenURL;
public String accessTokenURL;
public String authorizationURL;
public String consumerKey;
public String consumerSecret;
public ServiceInfo(String requestTokenURL,
String accessTokenURL,
String authorizationURL,
String consumerKey,
String consumerSecret) {
this.requestTokenURL = requestTokenURL;
this.accessTokenURL = accessTokenURL;
this.authorizationURL = authorizationURL;
this.consumerKey = consumerKey;
this.consumerSecret = consumerSecret;
}
}
/**
* Response to an OAuth 1.0 request.
* If success token and secret are non null, and error is null.
* If error token and secret are null, and error is non null.
*
*/
public static class Response {
public final String token;
public final String secret;
public final Error error;
private Response(String token, String secret, Error error) {
this.token = token;
this.secret = secret;
this.error = error;
}
/**
* Create a new success response
* @param pair the TokenPair returned by the provider
* @return a new Response object holding the token pair
*/
private static Response success(String token, String secret) {
return new Response(token, secret, null);
}
private static Response error(Error error) {
return new Response(null, null, error);
}
@Override public String toString() {
return (error == null) ? ("Error: " + error)
: ("Success: " + token + " - " + secret);
}
}
public static class Error {
public final OAuthException exception;
public final Type type;
public final String details;
public enum Type {
MESSAGE_SIGNER,
NOT_AUTHORIZED,
EXPECTATION_FAILED,
COMMUNICATION,
OTHER
}
private Error(OAuthException exception) {
this.exception = exception;
if (this.exception instanceof OAuthMessageSignerException) {
this.type = Type.MESSAGE_SIGNER;
} else if (this.exception instanceof OAuthNotAuthorizedException) {
this.type = Type.NOT_AUTHORIZED;
} else if (this.exception instanceof OAuthExpectationFailedException) {
this.type = Type.EXPECTATION_FAILED;
} else if (this.exception instanceof OAuthCommunicationException) {
this.type = Type.COMMUNICATION;
} else {
this.type = Type.OTHER;
}
this.details = exception.getMessage();
}
public String details() { return details; }
@Override public String toString() {
return "OAuth.Error: " + type + " - " + details;
}
}
@Deprecated
public static class TokenPair {
public String token;
public String secret;
public TokenPair(String token, String secret) {
this.token = token;
this.secret = secret;
}
@Override
public String toString() {
return token + " - " + secret;
}
}
}
