Infrastructure

cfg = cfgFactory.getFromGerritConfig(pluginName + LemonLDAPOAuthService.CONFIG_SUFFIX);

if (cfg.getString(InitOAuth.CLIENT_ID) != null) {

bind(OAuthServiceProvider.class)

.annotatedWith(Exports.named(LemonLDAPOAuthService.CONFIG_SUFFIX))

.to(LemonLDAPOAuthService.class);

}

private final Section lemonldapOAuthProviderSection;

this.lemonldapOAuthProviderSection =

sections.get(PLUGIN_SECTION, pluginName + LemonLDAPOAuthService.CONFIG_SUFFIX);

boolean configureLemonLDAPOAuthProvider =

ui.yesno(true, "Use LemonLDAP OAuth provider for Gerrit login ?");

if (configureLemonLDAPOAuthProvider) {

lemonldapOAuthProviderSection.string("LemonLDAP Root URL", ROOT_URL, null);

configureOAuth(lemonldapOAuthProviderSection);

}

// Copyright (C) 2017 The Android Open Source Project

//

// 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.googlesource.gerrit.plugins.oauth;

import org.scribe.builder.api.DefaultApi20;

import org.scribe.extractors.AccessTokenExtractor;

import org.scribe.model.OAuthConfig;

import org.scribe.model.Verb;

import org.scribe.oauth.OAuthService;

public class LemonLDAPApi extends DefaultApi20 {

private static final String AUTHORIZE_URL =

"%s/oauth2/authorize?client_id=%s&response_type=code&scope=openid+email+profile&redirect_uri=%s";

private final String rootUrl;

public LemonLDAPApi(String rootUrl) {

this.rootUrl = rootUrl;

}

@Override

public String getAuthorizationUrl(OAuthConfig config) {

return String.format(AUTHORIZE_URL, rootUrl, config.getApiKey(), config.getCallback());

}

@Override

public String getAccessTokenEndpoint() {

return String.format("%s/oauth2/token", rootUrl);

}

@Override

public Verb getAccessTokenVerb() {

return Verb.POST;

}

@Override

public OAuthService createService(OAuthConfig config) {

return new OAuth20ServiceImpl(this, config);

}

@Override

public AccessTokenExtractor getAccessTokenExtractor() {

return OAuth2AccessTokenJsonExtractor.instance();

}

}

// Copyright (C) 2017 The Android Open Source Project

//

// 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.googlesource.gerrit.plugins.oauth;

import static com.google.gerrit.server.OutputFormat.JSON;

import static javax.servlet.http.HttpServletResponse.SC_OK;

import static org.slf4j.LoggerFactory.getLogger;

import com.google.common.base.CharMatcher;

import com.google.gerrit.extensions.annotations.PluginName;

import com.google.gerrit.extensions.auth.oauth.OAuthServiceProvider;

import com.google.gerrit.extensions.auth.oauth.OAuthToken;

import com.google.gerrit.extensions.auth.oauth.OAuthUserInfo;

import com.google.gerrit.extensions.auth.oauth.OAuthVerifier;

import com.google.gerrit.server.config.CanonicalWebUrl;

import com.google.gerrit.server.config.PluginConfig;

import com.google.gerrit.server.config.PluginConfigFactory;

import com.google.gson.JsonElement;

import com.google.gson.JsonObject;

import com.google.inject.Inject;

import com.google.inject.Provider;

import com.google.inject.Singleton;

import java.io.IOException;

import org.scribe.builder.ServiceBuilder;

import org.scribe.model.OAuthRequest;

import org.scribe.model.Response;

import org.scribe.model.Token;

import org.scribe.model.Verb;

import org.scribe.model.Verifier;

import org.scribe.oauth.OAuthService;

import org.slf4j.Logger;

@Singleton

public class LemonLDAPOAuthService implements OAuthServiceProvider {

private static final Logger log = getLogger(LemonLDAPOAuthService.class);

static final String CONFIG_SUFFIX = "-lemonldap-oauth";

private static final String PROTECTED_RESOURCE_URL = "%s/oauth2/userinfo";

private static final String LEMONLDAP_PROVIDER_PREFIX = "tdf-oauth:";

private final OAuthService service;

private final String rootUrl;

@Inject

LemonLDAPOAuthService(

PluginConfigFactory cfgFactory,

@PluginName String pluginName,

@CanonicalWebUrl Provider<String> urlProvider) {

PluginConfig cfg = cfgFactory.getFromGerritConfig(pluginName + CONFIG_SUFFIX);

String canonicalWebUrl = CharMatcher.is('/').trimTrailingFrom(urlProvider.get()) + "/";

rootUrl = cfg.getString(InitOAuth.ROOT_URL);

service =

new ServiceBuilder()

.provider(new LemonLDAPApi(rootUrl))

.apiKey(cfg.getString(InitOAuth.CLIENT_ID))

.apiSecret(cfg.getString(InitOAuth.CLIENT_SECRET))

.callback(canonicalWebUrl + "oauth")

.build();

}

@Override

public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {

final String protectedResourceUrl = String.format(PROTECTED_RESOURCE_URL, rootUrl);

OAuthRequest request = new OAuthRequest(Verb.GET, protectedResourceUrl);

Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());

service.signRequest(t, request);

Response response = request.send();

if (response.getCode() != SC_OK) {

throw new IOException(

String.format(

"Status %s (%s) for request %s",

response.getCode(), response.getBody(), request.getUrl()));

}

JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);

if (log.isDebugEnabled()) {

log.debug("User info response: {}", response.getBody());

}

JsonObject jsonObject = userJson.getAsJsonObject();

if (jsonObject == null || jsonObject.isJsonNull()) {

throw new IOException("Response doesn't contain 'user' field" + jsonObject);

}

JsonElement id = jsonObject.get("sub");

JsonElement username = jsonObject.get("username");

JsonElement email = jsonObject.get("email");

JsonElement name = jsonObject.get("name");

return new OAuthUserInfo(

LEMONLDAP_PROVIDER_PREFIX + id.getAsString(),

username == null || username.isJsonNull() ? null : username.getAsString(),

email == null || email.isJsonNull() ? null : email.getAsString(),

name == null || name.isJsonNull() ? null : name.getAsString(),

null);

}

@Override

public OAuthToken getAccessToken(OAuthVerifier rv) {

Verifier vi = new Verifier(rv.getValue());

Token to = service.getAccessToken(null, vi);

return new OAuthToken(to.getToken(), to.getSecret(), to.getRawResponse());

}

@Override

public String getAuthorizationUrl() {

return service.getAuthorizationUrl(null);

}

@Override

public String getVersion() {

return service.getVersion();

}

@Override

public String getName() {

return "The Document Foundation OAuth2";

}

}