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// Copyright (C) 2015 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.google.gerrit.server.restapi.config;
import static java.util.stream.Collectors.toList;
import com.google.common.base.CharMatcher;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.ContributorAgreement;
import com.google.gerrit.extensions.common.AccountDefaultDisplayName;
import com.google.gerrit.extensions.common.AccountsInfo;
import com.google.gerrit.extensions.common.AuthInfo;
import com.google.gerrit.extensions.common.ChangeConfigInfo;
import com.google.gerrit.extensions.common.DownloadInfo;
import com.google.gerrit.extensions.common.DownloadSchemeInfo;
import com.google.gerrit.extensions.common.GerritInfo;
import com.google.gerrit.extensions.common.PluginConfigInfo;
import com.google.gerrit.extensions.common.ReceiveInfo;
import com.google.gerrit.extensions.common.ServerInfo;
import com.google.gerrit.extensions.common.SshdInfo;
import com.google.gerrit.extensions.common.SuggestInfo;
import com.google.gerrit.extensions.common.UserConfigInfo;
import com.google.gerrit.extensions.config.CloneCommand;
import com.google.gerrit.extensions.config.DownloadCommand;
import com.google.gerrit.extensions.config.DownloadScheme;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.extensions.webui.WebUiPlugin;
import com.google.gerrit.server.EnableSignedPush;
import com.google.gerrit.server.account.AccountVisibilityProvider;
import com.google.gerrit.server.account.Realm;
import com.google.gerrit.server.avatar.AvatarProvider;
import com.google.gerrit.server.change.ArchiveFormatInternal;
import com.google.gerrit.server.change.MergeabilityComputationBehavior;
import com.google.gerrit.server.config.AllProjectsName;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.config.AnonymousCowardName;
import com.google.gerrit.server.config.AuthConfig;
import com.google.gerrit.server.config.ConfigResource;
import com.google.gerrit.server.config.ConfigUtil;
import com.google.gerrit.server.config.GerritInstanceId;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.config.SitePaths;
import com.google.gerrit.server.documentation.QueryDocumentationExecutor;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.plugincontext.PluginItemContext;
import com.google.gerrit.server.plugincontext.PluginMapContext;
import com.google.gerrit.server.plugincontext.PluginSetContext;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.restapi.change.AllowedFormats;
import com.google.gerrit.server.submit.MergeSuperSet;
import com.google.inject.Inject;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.eclipse.jgit.lib.Config;
public class GetServerInfo implements RestReadView<ConfigResource> {
private final Config config;
private final AccountVisibilityProvider accountVisibilityProvider;
private final AccountDefaultDisplayName accountDefaultDisplayName;
private final AuthConfig authConfig;
private final Realm realm;
private final PluginMapContext<DownloadScheme> downloadSchemes;
private final PluginMapContext<DownloadCommand> downloadCommands;
private final PluginMapContext<CloneCommand> cloneCommands;
private final PluginSetContext<WebUiPlugin> plugins;
private final AllowedFormats archiveFormats;
private final AllProjectsName allProjectsName;
private final AllUsersName allUsersName;
private final String anonymousCowardName;
private final PluginItemContext<AvatarProvider> avatar;
private final boolean enableSignedPush;
private final QueryDocumentationExecutor docSearcher;
private final ProjectCache projectCache;
private final AgreementJson agreementJson;
private final SitePaths sitePaths;
private final @Nullable @GerritInstanceId String instanceId;
@Inject
public GetServerInfo(
@GerritServerConfig Config config,
AccountVisibilityProvider accountVisibilityProvider,
AccountDefaultDisplayName accountDefaultDisplayName,
AuthConfig authConfig,
Realm realm,
PluginMapContext<DownloadScheme> downloadSchemes,
PluginMapContext<DownloadCommand> downloadCommands,
PluginMapContext<CloneCommand> cloneCommands,
PluginSetContext<WebUiPlugin> webUiPlugins,
AllowedFormats archiveFormats,
AllProjectsName allProjectsName,
AllUsersName allUsersName,
@AnonymousCowardName String anonymousCowardName,
PluginItemContext<AvatarProvider> avatar,
@EnableSignedPush boolean enableSignedPush,
QueryDocumentationExecutor docSearcher,
ProjectCache projectCache,
AgreementJson agreementJson,
SitePaths sitePaths,
@Nullable @GerritInstanceId String instanceId) {
this.config = config;
this.accountVisibilityProvider = accountVisibilityProvider;
this.accountDefaultDisplayName = accountDefaultDisplayName;
this.authConfig = authConfig;
this.realm = realm;
this.downloadSchemes = downloadSchemes;
this.downloadCommands = downloadCommands;
this.cloneCommands = cloneCommands;
this.plugins = webUiPlugins;
this.archiveFormats = archiveFormats;
this.allProjectsName = allProjectsName;
this.allUsersName = allUsersName;
this.anonymousCowardName = anonymousCowardName;
this.avatar = avatar;
this.enableSignedPush = enableSignedPush;
this.docSearcher = docSearcher;
this.projectCache = projectCache;
this.agreementJson = agreementJson;
this.sitePaths = sitePaths;
this.instanceId = instanceId;
}
@Override
public Response<ServerInfo> apply(ConfigResource rsrc) throws PermissionBackendException {
ServerInfo info = new ServerInfo();
info.accounts = getAccountsInfo();
info.auth = getAuthInfo();
info.change = getChangeInfo();
info.download = getDownloadInfo();
info.gerrit = getGerritInfo();
info.noteDbEnabled = true;
info.plugin = getPluginInfo();
info.defaultTheme = getDefaultTheme();
info.sshd = getSshdInfo();
info.suggest = getSuggestInfo();
info.user = getUserInfo();
info.receive = getReceiveInfo();
info.submitRequirementDashboardColumns = getSubmitRequirementDashboardColumns();
return Response.ok(info);
}
private AccountsInfo getAccountsInfo() {
AccountsInfo info = new AccountsInfo();
info.visibility = accountVisibilityProvider.get();
info.defaultDisplayName = accountDefaultDisplayName;
return info;
}
private AuthInfo getAuthInfo() throws PermissionBackendException {
AuthInfo info = new AuthInfo();
info.authType = authConfig.getAuthType();
info.useContributorAgreements = toBoolean(authConfig.isUseContributorAgreements());
info.editableAccountFields = new ArrayList<>(realm.getEditableFields());
info.switchAccountUrl = authConfig.getSwitchAccountUrl();
info.gitBasicAuthPolicy = authConfig.getGitBasicAuthPolicy();
if (info.useContributorAgreements != null) {
Collection<ContributorAgreement> agreements =
projectCache.getAllProjects().getConfig().getContributorAgreements().values();
if (!agreements.isEmpty()) {
info.contributorAgreements = Lists.newArrayListWithCapacity(agreements.size());
for (ContributorAgreement agreement : agreements) {
info.contributorAgreements.add(agreementJson.format(agreement));
}
}
}
switch (info.authType) {
case LDAP:
case LDAP_BIND:
info.registerUrl = authConfig.getRegisterUrl();
info.registerText = authConfig.getRegisterText();
info.editFullNameUrl = authConfig.getEditFullNameUrl();
break;
case CUSTOM_EXTENSION:
info.registerUrl = authConfig.getRegisterUrl();
info.registerText = authConfig.getRegisterText();
info.editFullNameUrl = authConfig.getEditFullNameUrl();
info.httpPasswordUrl = authConfig.getHttpPasswordUrl();
break;
case HTTP:
case HTTP_LDAP:
info.loginUrl = authConfig.getLoginUrl();
info.loginText = authConfig.getLoginText();
break;
case CLIENT_SSL_CERT_LDAP:
case DEVELOPMENT_BECOME_ANY_ACCOUNT:
case OAUTH:
case OPENID:
case OPENID_SSO:
break;
}
return info;
}
private ChangeConfigInfo getChangeInfo() {
ChangeConfigInfo info = new ChangeConfigInfo();
info.allowBlame = toBoolean(config.getBoolean("change", "allowBlame", true));
info.updateDelay =
(int) ConfigUtil.getTimeUnit(config, "change", null, "updateDelay", 300, TimeUnit.SECONDS);
info.submitWholeTopic = toBoolean(MergeSuperSet.wholeTopicEnabled(config));
info.disablePrivateChanges =
toBoolean(this.config.getBoolean("change", null, "disablePrivateChanges", false));
info.mergeabilityComputationBehavior =
MergeabilityComputationBehavior.fromConfig(config).name();
info.enableRobotComments = toBoolean(config.getBoolean("change", "enableRobotComments", true));
info.conflictsPredicateEnabled =
toBoolean(config.getBoolean("change", "conflictsPredicateEnabled", true));
return info;
}
private DownloadInfo getDownloadInfo() {
DownloadInfo info = new DownloadInfo();
info.schemes = new HashMap<>();
downloadSchemes.runEach(
extension -> {
DownloadScheme scheme = extension.get();
if (scheme.isEnabled() && !scheme.isHidden() && scheme.getUrl("${project}") != null) {
info.schemes.put(extension.getExportName(), getDownloadSchemeInfo(scheme));
}
});
info.archives =
archiveFormats.getAllowed().stream()
.map(ArchiveFormatInternal::getShortName)
.collect(toList());
return info;
}
private DownloadSchemeInfo getDownloadSchemeInfo(DownloadScheme scheme) {
DownloadSchemeInfo info = new DownloadSchemeInfo();
info.url = scheme.getUrl("${project}");
info.isAuthRequired = toBoolean(scheme.isAuthRequired());
info.isAuthSupported = toBoolean(scheme.isAuthSupported());
info.commands = new HashMap<>();
downloadCommands.runEach(
extension -> {
String commandName = extension.getExportName();
DownloadCommand command = extension.get();
String c = command.getCommand(scheme, "${project}", "${ref}");
if (c != null) {
info.commands.put(commandName, c);
}
});
info.cloneCommands = new HashMap<>();
cloneCommands.runEach(
extension -> {
String commandName = extension.getExportName();
CloneCommand command = extension.getProvider().get();
String c = command.getCommand(scheme, "${project-path}/${project-base-name}");
if (c != null) {
c =
c.replaceAll(
"\\$\\{project-path\\}/\\$\\{project-base-name\\}", "\\$\\{project\\}");
info.cloneCommands.put(commandName, c);
}
});
return info;
}
private GerritInfo getGerritInfo() {
GerritInfo info = new GerritInfo();
info.allProjects = allProjectsName.get();
info.allUsers = allUsersName.get();
info.reportBugUrl = config.getString("gerrit", null, "reportBugUrl");
info.docUrl = getDocUrl();
info.docSearch = docSearcher.isAvailable();
info.editGpgKeys =
toBoolean(enableSignedPush && config.getBoolean("gerrit", null, "editGpgKeys", true));
info.primaryWeblinkName = config.getString("gerrit", null, "primaryWeblinkName");
info.instanceId = instanceId;
return info;
}
@Nullable
private String getDocUrl() {
String docUrl = config.getString("gerrit", null, "docUrl");
if (Strings.isNullOrEmpty(docUrl)) {
return null;
}
return CharMatcher.is('/').trimTrailingFrom(docUrl) + '/';
}
private PluginConfigInfo getPluginInfo() {
PluginConfigInfo info = new PluginConfigInfo();
info.hasAvatars = toBoolean(avatar.hasImplementation());
info.jsResourcePaths = new ArrayList<>();
plugins.runEach(
plugin -> {
String path =
String.format(
"plugins/%s/%s", plugin.getPluginName(), plugin.getJavaScriptResourcePath());
info.jsResourcePaths.add(path);
});
return info;
}
private static final String DEFAULT_THEME_JS = "/static/" + SitePaths.THEME_JS_FILENAME;
@Nullable
private String getDefaultTheme() {
if (config.getString("theme", null, "enableDefault") == null) {
// If not explicitly enabled or disabled, check for the existence of the theme file.
return Files.exists(sitePaths.site_theme_js) ? DEFAULT_THEME_JS : null;
}
if (config.getBoolean("theme", null, "enableDefault", true)) {
// Return non-null theme path without checking for file existence. Even if the file doesn't
// exist under the site path, it may be served from a CDN (in which case it's up to the admin
// to also pass a proper asset path to the index Soy template).
return DEFAULT_THEME_JS;
}
return null;
}
@Nullable
private SshdInfo getSshdInfo() {
String[] addr = config.getStringList("sshd", null, "listenAddress");
if (addr.length == 1 && isOff(addr[0])) {
return null;
}
return new SshdInfo();
}
private static boolean isOff(String listenHostname) {
return "off".equalsIgnoreCase(listenHostname)
|| "none".equalsIgnoreCase(listenHostname)
|| "no".equalsIgnoreCase(listenHostname);
}
private SuggestInfo getSuggestInfo() {
SuggestInfo info = new SuggestInfo();
info.from = config.getInt("suggest", "from", 0);
return info;
}
private UserConfigInfo getUserInfo() {
UserConfigInfo info = new UserConfigInfo();
info.anonymousCowardName = anonymousCowardName;
return info;
}
private ReceiveInfo getReceiveInfo() {
ReceiveInfo info = new ReceiveInfo();
info.enableSignedPush = enableSignedPush;
return info;
}
private List<String> getSubmitRequirementDashboardColumns() {
return Arrays.asList(config.getStringList("dashboard", null, "submitRequirementColumns"));
}
@Nullable
private static Boolean toBoolean(boolean v) {
return v ? Boolean.TRUE : null;
}
}