Initial version of singleusergroup plugin
This is a simple GroupBackend that makes a group out of a single user.
By making each user its own group, users can be individually added to
any project's access control list.
Change-Id: Ida02ea6d6f1391ce2a1c80cfefd8b688130779a0
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..194bedc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+/target
+/.classpath
+/.project
+/.settings/org.maven.ide.eclipse.prefs
+/.settings/org.eclipse.m2e.core.prefs
\ No newline at end of file
diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..f15f85d
--- /dev/null
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,5 @@
+#Tue May 15 09:19:33 PDT 2012
+eclipse.preferences.version=1
+encoding//src/main/java=UTF-8
+encoding//src/test/java=UTF-8
+encoding//src/test/resources=UTF-8
diff --git a/.settings/org.eclipse.core.runtime.prefs b/.settings/org.eclipse.core.runtime.prefs
new file mode 100644
index 0000000..8667cfd
--- /dev/null
+++ b/.settings/org.eclipse.core.runtime.prefs
@@ -0,0 +1,3 @@
+#Tue Sep 02 16:59:24 PDT 2008
+eclipse.preferences.version=1
+line.separator=\n
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..2f45466
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,264 @@
+#Fri Jul 16 23:39:13 PDT 2010
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+org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=true
+org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.lineSplit=80
+org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=3
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=false
+org.eclipse.jdt.core.formatter.tabulation.char=space
+org.eclipse.jdt.core.formatter.tabulation.size=2
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
+org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000..d4218a5
--- /dev/null
+++ b/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,61 @@
+#Wed Jul 29 11:31:38 PDT 2009
+eclipse.preferences.version=1
+editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
+formatter_profile=_Google Format
+formatter_settings_version=11
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=com.google;com;junit;net;org;java;javax;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates/>
+sp_cleanup.add_default_serial_version_id=true
+sp_cleanup.add_generated_serial_version_id=false
+sp_cleanup.add_missing_annotations=false
+sp_cleanup.add_missing_deprecated_annotations=true
+sp_cleanup.add_missing_methods=false
+sp_cleanup.add_missing_nls_tags=false
+sp_cleanup.add_missing_override_annotations=true
+sp_cleanup.add_serial_version_id=false
+sp_cleanup.always_use_blocks=true
+sp_cleanup.always_use_parentheses_in_expressions=false
+sp_cleanup.always_use_this_for_non_static_field_access=false
+sp_cleanup.always_use_this_for_non_static_method_access=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.correct_indentation=false
+sp_cleanup.format_source_code=false
+sp_cleanup.format_source_code_changes_only=false
+sp_cleanup.make_local_variable_final=true
+sp_cleanup.make_parameters_final=true
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=false
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.organize_imports=false
+sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
+sp_cleanup.remove_private_constructors=true
+sp_cleanup.remove_trailing_whitespaces=true
+sp_cleanup.remove_trailing_whitespaces_all=true
+sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
+sp_cleanup.remove_unnecessary_casts=false
+sp_cleanup.remove_unnecessary_nls_tags=false
+sp_cleanup.remove_unused_imports=false
+sp_cleanup.remove_unused_local_variables=false
+sp_cleanup.remove_unused_private_fields=true
+sp_cleanup.remove_unused_private_members=false
+sp_cleanup.remove_unused_private_methods=true
+sp_cleanup.remove_unused_private_types=true
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.use_blocks=false
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_parentheses_in_expressions=false
+sp_cleanup.use_this_for_non_static_field_access=false
+sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true
+sp_cleanup.use_this_for_non_static_method_access=false
+sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=true
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..11069ed
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Derivative Works" shall mean any work, whether in Source or Object
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+5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
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+ the terms of any separate license agreement you may have executed
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+ unless required by applicable law (such as deliberate and grossly
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+ on Your own behalf and on Your sole responsibility, not on behalf
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+ defend, and hold each Contributor harmless for any liability
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+ To apply the Apache License to your work, attach the following
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+Licensed under the Apache License, Version 2.0 (the "License");
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+ 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.
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..00a91b1
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (C) 2012 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>com.googlesource.gerrit.plugins.singleusergroup</groupId>
+ <artifactId>singleusergroup</artifactId>
+ <packaging>jar</packaging>
+ <version>1.0-SNAPSHOT</version>
+
+ <properties>
+ <Gerrit-ApiType>plugin</Gerrit-ApiType>
+ <Gerrit-ApiVersion>2.5-SNAPSHOT</Gerrit-ApiVersion>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <version>2.4</version>
+ <configuration>
+ <archive>
+ <manifestEntries>
+ <Gerrit-Module>com.googlesource.gerrit.plugins.singleusergroup.SingleUserGroup$Module</Gerrit-Module>
+
+ <Implementation-Vendor>Gerrit Code Review</Implementation-Vendor>
+ <Implementation-URL>http://code.google.com/p/gerrit/</Implementation-URL>
+
+ <Implementation-Title>Plugin ${project.artifactId}</Implementation-Title>
+ <Implementation-Version>${project.version}</Implementation-Version>
+
+ <Gerrit-ApiType>${Gerrit-ApiType}</Gerrit-ApiType>
+ <Gerrit-ApiVersion>${Gerrit-ApiVersion}</Gerrit-ApiVersion>
+ </manifestEntries>
+ </archive>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>2.3.2</version>
+ <configuration>
+ <source>1.6</source>
+ <target>1.6</target>
+ <encoding>UTF-8</encoding>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>com.google.gerrit</groupId>
+ <artifactId>gerrit-${Gerrit-ApiType}-api</artifactId>
+ <version>${Gerrit-ApiVersion}</version>
+ <scope>provided</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.8.1</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+
+ <repositories>
+ <repository>
+ <id>gerrit-api-repository</id>
+ <url>https://gerrit-api.commondatastorage.googleapis.com/snapshot/</url>
+ </repository>
+ </repositories>
+</project>
diff --git a/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java b/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
new file mode 100644
index 0000000..a71c565
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/singleusergroup/SingleUserGroup.java
@@ -0,0 +1,274 @@
+// Copyright (C) 2012 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.singleusergroup;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import com.google.gerrit.common.data.GroupDescription;
+import com.google.gerrit.common.data.GroupReference;
+import com.google.gerrit.extensions.registration.DynamicSet;
+import com.google.gerrit.reviewdb.client.Account;
+import com.google.gerrit.reviewdb.client.AccountExternalId;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.account.AccountCache;
+import com.google.gerrit.server.account.AccountControl;
+import com.google.gerrit.server.account.AccountState;
+import com.google.gerrit.server.account.GroupBackend;
+import com.google.gerrit.server.account.GroupMembership;
+import com.google.gerrit.server.account.ListGroupMembership;
+import com.google.gwtorm.server.OrmException;
+import com.google.gwtorm.server.SchemaFactory;
+import com.google.inject.AbstractModule;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Makes a group out of each user.
+ * <p>
+ * UUIDs for the groups are derived from the unique username attached to the
+ * account. A user can only be used as a group if it has a username.
+ */
+@Singleton
+public class SingleUserGroup implements GroupBackend {
+ private static final Logger log =
+ LoggerFactory.getLogger(SingleUserGroup.class);
+
+ private static final String UUID_PREFIX = "user:";
+ private static final String NAME_PREFIX = "user/";
+ private static final String ACCOUNT_PREFIX = "userid/";
+ private static final String ACCOUNT_ID_PATTERN = "[1-9][0-9]*";
+ private static final int MAX = 10;
+
+ public static class Module extends AbstractModule {
+ @Override
+ protected void configure() {
+ DynamicSet.bind(binder(), GroupBackend.class).to(SingleUserGroup.class);
+ }
+ }
+
+ private final SchemaFactory<ReviewDb> schemaFactory;
+ private final AccountCache accountCache;
+ private final AccountControl.Factory accountControlFactory;
+
+ @Inject
+ SingleUserGroup(SchemaFactory<ReviewDb> schemaFactory,
+ AccountCache accountCache,
+ AccountControl.Factory accountControlFactory) {
+ this.schemaFactory = schemaFactory;
+ this.accountCache = accountCache;
+ this.accountControlFactory = accountControlFactory;
+ }
+
+ @Override
+ public boolean handles(AccountGroup.UUID uuid) {
+ return uuid.get().startsWith(UUID_PREFIX);
+ }
+
+ @Override
+ public GroupMembership membershipsOf(final IdentifiedUser user) {
+ ImmutableList.Builder<AccountGroup.UUID> groups = ImmutableList.builder();
+ groups.add(uuid(user.getAccountId()));
+ if (user.getUserName() != null) {
+ groups.add(uuid(user.getUserName()));
+ }
+ return new ListGroupMembership(groups.build());
+ }
+
+ @Override
+ public GroupDescription.Basic get(final AccountGroup.UUID uuid) {
+ String ident = username(uuid);
+ AccountState state;
+ if (ident.matches(ACCOUNT_ID_PATTERN)) {
+ state = accountCache.get(new Account.Id(Integer.parseInt(ident)));
+ } else if (ident.matches(Account.USER_NAME_PATTERN)) {
+ state = accountCache.getByUsername(ident);
+ } else {
+ return null;
+ }
+ if (state != null) {
+ final String name = nameOf(uuid, state);
+ return new GroupDescription.Basic() {
+ @Override
+ public AccountGroup.UUID getGroupUUID() {
+ return uuid;
+ }
+
+ @Override
+ public String getName() {
+ return name;
+ }
+
+ @Override
+ public boolean isVisibleToAll() {
+ return false;
+ }
+ };
+ }
+ return null;
+ }
+
+ @Override
+ public Collection<GroupReference> suggest(String name) {
+ if (name.startsWith(NAME_PREFIX)) {
+ name = name.substring(NAME_PREFIX.length());
+ } else if (name.startsWith(ACCOUNT_PREFIX)) {
+ name = name.substring(ACCOUNT_PREFIX.length());
+ }
+ if (name.isEmpty()) {
+ return Collections.emptyList();
+ }
+ try {
+ AccountControl ctl = accountControlFactory.get();
+ Set<Account.Id> ids = Sets.newHashSet();
+ List<GroupReference> matches = Lists.newArrayListWithCapacity(MAX);
+ String a = name;
+ String b = end(a);
+ ReviewDb db = schemaFactory.open();
+ try {
+ if (name.matches(ACCOUNT_ID_PATTERN)) {
+ Account.Id id = new Account.Id(Integer.parseInt(name));
+ if (db.accounts().get(id) != null) {
+ add(matches, ids, ctl, id);
+ return matches;
+ }
+ }
+
+ if (name.matches(Account.USER_NAME_PATTERN)) {
+ for (AccountExternalId e : db.accountExternalIds().suggestByKey(
+ new AccountExternalId.Key(AccountExternalId.SCHEME_USERNAME + a),
+ new AccountExternalId.Key(AccountExternalId.SCHEME_USERNAME + b),
+ MAX)) {
+ if (!e.getSchemeRest().startsWith(a)) {
+ break;
+ }
+ add(matches, ids, ctl, e.getAccountId());
+ }
+ }
+
+ for (Account p : db.accounts().suggestByFullName(a, b, MAX)) {
+ if (!p.getFullName().startsWith(a)) {
+ break;
+ }
+ add(matches, ids, ctl, p.getId());
+ }
+
+ for (Account p : db.accounts().suggestByPreferredEmail(a, b, MAX)) {
+ if (!p.getPreferredEmail().startsWith(a)) {
+ break;
+ }
+ add(matches, ids, ctl, p.getId());
+ }
+
+ for (AccountExternalId e : db.accountExternalIds()
+ .suggestByEmailAddress(a, b, MAX)) {
+ if (!e.getEmailAddress().startsWith(a)) {
+ break;
+ }
+ add(matches, ids, ctl, e.getAccountId());
+ }
+
+ return matches;
+ } finally {
+ db.close();
+ }
+ } catch (OrmException err) {
+ log.warn("Cannot suggest users", err);
+ return Collections.emptyList();
+ }
+ }
+
+ private static String end(String a) {
+ char next = (char) (a.charAt(a.length() - 1) + 1);
+ return a.substring(0, a.length() - 1) + next;
+ }
+
+ private void add(List<GroupReference> matches, Set<Account.Id> ids,
+ AccountControl ctl, Account.Id id) {
+ if (!ids.add(id) || !ctl.canSee(id)) {
+ return;
+ }
+
+ AccountState state = accountCache.get(id);
+ if (state == null) {
+ return;
+ }
+
+ AccountGroup.UUID uuid;
+ if (state.getUserName() != null) {
+ uuid = uuid(state.getUserName());
+ } else {
+ uuid = uuid(id);
+ }
+ matches.add(new GroupReference(uuid, nameOf(uuid, state)));
+ }
+
+ private static String username(AccountGroup.UUID uuid) {
+ checkUUID(uuid);
+ return uuid.get().substring(UUID_PREFIX.length());
+ }
+
+ private static AccountGroup.UUID uuid(Account.Id ident) {
+ return uuid(Integer.toString(ident.get()));
+ }
+
+ private static AccountGroup.UUID uuid(String username) {
+ return new AccountGroup.UUID(UUID_PREFIX + username);
+ }
+
+ private static void checkUUID(AccountGroup.UUID uuid) {
+ checkArgument(
+ uuid.get().startsWith(UUID_PREFIX),
+ "SingleUserGroup does not handle %s", uuid.get());
+ }
+
+ private static String nameOf(AccountGroup.UUID uuid, AccountState account) {
+ StringBuilder buf = new StringBuilder();
+ if (account.getAccount().getFullName() != null) {
+ buf.append(account.getAccount().getFullName());
+ }
+ if (account.getUserName() != null) {
+ if (buf.length() > 0) {
+ buf.append(" (").append(account.getUserName()).append(")");
+ } else {
+ buf.append(account.getUserName());
+ }
+ } else if (buf.length() > 0) {
+ buf.append(" (").append(account.getAccount().getId().get()).append(")");
+ } else {
+ buf.append(account.getAccount().getId().get());
+ }
+
+ String ident = username(uuid);
+ if (ident.matches(ACCOUNT_ID_PATTERN)) {
+ buf.insert(0, ACCOUNT_PREFIX);
+ } else {
+ buf.insert(0, NAME_PREFIX);
+ }
+ return buf.toString();
+ }
+}
