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/*******************************************************************************
* Copyright (c) 2013 Frank Becker and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Frank Becker - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.bugzilla.rest.core;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.text.MessageFormat;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpRequestBase;
import org.eclipse.mylyn.commons.core.operations.IOperationMonitor;
import org.eclipse.mylyn.commons.repositories.core.auth.AuthenticationException;
import org.eclipse.mylyn.commons.repositories.core.auth.AuthenticationRequest;
import org.eclipse.mylyn.commons.repositories.core.auth.AuthenticationType;
import org.eclipse.mylyn.commons.repositories.core.auth.UserCredentials;
import org.eclipse.mylyn.commons.repositories.http.core.CommonHttpResponse;
import org.eclipse.mylyn.commons.repositories.http.core.HttpUtil;
import org.eclipse.mylyn.internal.bugzilla.rest.core.response.data.LoginToken;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
public class BugzillaRestAuthenticatedGetRequest<T> extends BugzillaRestRequest<T> {
private final String urlSuffix;
private final TypeToken<?> responseType;
public BugzillaRestAuthenticatedGetRequest(BugzillaRestHttpClient client, String urlSuffix,
TypeToken<?> responseType) {
super(client);
this.urlSuffix = urlSuffix;
this.responseType = responseType;
}
@Override
protected void authenticate(IOperationMonitor monitor) throws IOException {
UserCredentials credentials = getClient().getLocation().getCredentials(AuthenticationType.REPOSITORY);
if (credentials == null) {
throw new IllegalStateException("Authentication requested without valid credentials"); //$NON-NLS-1$
}
HttpRequestBase request = new HttpGet(baseUrl() + MessageFormat.format("/login?login={0}&password={1}", //$NON-NLS-1$
new Object[] { credentials.getUserName(), credentials.getPassword() }));
request.setHeader(CONTENT_TYPE, TEXT_XML_CHARSET_UTF_8);
request.setHeader(ACCEPT, APPLICATION_JSON);
HttpResponse response = getClient().execute(request, monitor);
try {
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
getClient().setAuthenticated(false);
throw new AuthenticationException("Authentication failed", //$NON-NLS-1$
new AuthenticationRequest<AuthenticationType<UserCredentials>>(getClient().getLocation(),
AuthenticationType.REPOSITORY));
} else {
TypeToken<LoginToken> type = new TypeToken<LoginToken>() {
};
InputStream is = response.getEntity().getContent();
InputStreamReader in = new InputStreamReader(is);
LoginToken loginToken = new Gson().fromJson(in, type.getType());
((BugzillaRestHttpClient) getClient()).setLoginToken(loginToken);
getClient().setAuthenticated(true);
}
} finally {
HttpUtil.release(request, response, monitor);
}
}
@Override
protected HttpRequestBase createHttpRequestBase() {
String bugUrl = getUrlSuffix();
LoginToken token = ((BugzillaRestHttpClient) getClient()).getLoginToken();
if ((!(this instanceof BugzillaRestValidateRequest) && !(this instanceof BugzillaRestUnauthenticatedGetRequest))
&& token != null && bugUrl.length() > 0) {
if (!bugUrl.endsWith("?")) { //$NON-NLS-1$
bugUrl += "&"; //$NON-NLS-1$
}
bugUrl += "token=" + token.getToken(); //$NON-NLS-1$
}
HttpRequestBase request = new HttpGet(baseUrl() + bugUrl);
request.setHeader(CONTENT_TYPE, TEXT_XML_CHARSET_UTF_8);
request.setHeader(ACCEPT, APPLICATION_JSON);
return request;
}
@Override
protected T execute(IOperationMonitor monitor) throws IOException, BugzillaRestException {
if (needsAuthentication()) {
authenticate(monitor);
}
HttpRequestBase request = createHttpRequestBase();
CommonHttpResponse response = execute(request, monitor);
return processAndRelease(response, monitor);
}
@Override
protected T parseFromJson(InputStreamReader in) throws BugzillaRestException {
return new Gson().fromJson(in, responseType.getType());
}
@Override
protected String getUrlSuffix() {
return urlSuffix;
}
}
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