/*
* Copyright 2010 Nabeel Mukhtar
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package com.github.api.v2.services.impl;
import java.util.Set;
import java.util.regex.Matcher;
import com.github.api.v2.services.GitHubException;
import com.github.api.v2.services.OAuthService;
import com.github.api.v2.services.constant.ApplicationConstants;
import com.github.api.v2.services.constant.GitHubApiUrls;
import com.github.api.v2.services.constant.ParameterNames;
import com.github.api.v2.services.constant.GitHubApiUrls.GitHubApiUrlBuilder;
/**
* The Class OAuthServiceImpl.
*/
public class OAuthServiceImpl extends BaseGitHubService implements OAuthService {
/** The client id. */
private final String clientId;
/** The secret. */
private final String secret;
/**
* Instantiates a new o auth service impl.
*
* @param clientId
* the client id
* @param secret
* the secret
*/
public OAuthServiceImpl(String clientId, String secret) {
this.clientId = clientId;
this.secret = secret;
}
/* (non-Javadoc)
* @see com.google.code.facebook.graph.client.oauth.FacebookOAuthService#getAuthorizationUrl(java.lang.String)
*/
@Override
public String getAuthorizationUrl(String callBackUrl) {
GitHubApiUrlBuilder builder = createGitHubApiUrlBuilder(GitHubApiUrls.OAuthUrls.AUTHORIZE_URL);
builder.withParameter(ParameterNames.CLIENT_ID, clientId).withParameter(ParameterNames.REDIRECT_URI, callBackUrl);
return builder.buildUrl();
}
/* (non-Javadoc)
* @see com.google.code.facebook.graph.client.oauth.FacebookOAuthService#getAuthorizationUrl(java.lang.String, java.util.Set)
*/
@Override
public String getAuthorizationUrl(String callBackUrl,
Set<Scope> permissions) {
GitHubApiUrlBuilder builder = createGitHubApiUrlBuilder(GitHubApiUrls.OAuthUrls.AUTHORIZE_URL);
builder.withParameter(ParameterNames.CLIENT_ID, clientId).withParameter(ParameterNames.REDIRECT_URI, callBackUrl);
builder.withParameterEnumSet(ParameterNames.SCOPE, permissions, ",");
return builder.buildUrl();
}
/* (non-Javadoc)
* @see com.google.code.facebook.graph.client.oauth.FacebookOAuthService#getAccessToken(java.lang.String, java.lang.String)
*/
@Override
public String getAccessToken(String callBackUrl, String code) {
try {
GitHubApiUrlBuilder builder = createGitHubApiUrlBuilder(GitHubApiUrls.OAuthUrls.ACCESS_TOKEN_URL);
builder.withParameter(ParameterNames.CLIENT_ID, clientId);
builder.withParameter(ParameterNames.CLIENT_SECRET, secret);
builder.withParameter(ParameterNames.REDIRECT_URI, callBackUrl);
builder.withParameter(ParameterNames.CODE, code);
String response = convertStreamToString(callApiGet(builder.buildUrl()));
Matcher matcher = ApplicationConstants.ACCESS_TOKEN_PATTERN.matcher(response);
if (matcher.find()) {
return matcher.group(1);
} else {
throw new GitHubException(response);
}
} catch (Exception e) {
throw new GitHubException(e);
}
}
}