| // Copyright (C) 2018 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.change; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| import static com.google.gerrit.extensions.client.ReviewerState.CC; |
| import static com.google.gerrit.extensions.client.ReviewerState.REVIEWER; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableListMultimap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.ListMultimap; |
| import com.google.common.collect.Lists; |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.common.data.GroupDescription; |
| import com.google.gerrit.extensions.api.changes.AddReviewerInput; |
| import com.google.gerrit.extensions.api.changes.AddReviewerResult; |
| import com.google.gerrit.extensions.api.changes.NotifyHandling; |
| import com.google.gerrit.extensions.api.changes.RecipientType; |
| import com.google.gerrit.extensions.api.changes.ReviewerInfo; |
| import com.google.gerrit.extensions.client.ReviewerState; |
| import com.google.gerrit.extensions.common.AccountInfo; |
| import com.google.gerrit.extensions.restapi.AuthException; |
| import com.google.gerrit.extensions.restapi.BadRequestException; |
| import com.google.gerrit.extensions.restapi.UnprocessableEntityException; |
| import com.google.gerrit.mail.Address; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.reviewdb.client.AccountGroup; |
| import com.google.gerrit.reviewdb.client.BooleanProjectConfig; |
| import com.google.gerrit.reviewdb.client.Branch; |
| import com.google.gerrit.reviewdb.client.PatchSetApproval; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.AnonymousUser; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.account.AccountLoader; |
| import com.google.gerrit.server.account.AccountResolver; |
| import com.google.gerrit.server.account.GroupMembers; |
| import com.google.gerrit.server.config.GerritServerConfig; |
| import com.google.gerrit.server.group.GroupResolver; |
| import com.google.gerrit.server.group.SystemGroupBackend; |
| import com.google.gerrit.server.mail.send.OutgoingEmailValidator; |
| import com.google.gerrit.server.notedb.ChangeNotes; |
| import com.google.gerrit.server.notedb.NotesMigration; |
| import com.google.gerrit.server.permissions.ChangePermission; |
| import com.google.gerrit.server.permissions.PermissionBackend; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.gerrit.server.permissions.RefPermission; |
| import com.google.gerrit.server.project.NoSuchProjectException; |
| import com.google.gerrit.server.project.ProjectCache; |
| import com.google.gerrit.server.query.change.ChangeData; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.eclipse.jgit.errors.ConfigInvalidException; |
| import org.eclipse.jgit.lib.Config; |
| |
| public class ReviewerAdder { |
| public static final int DEFAULT_MAX_REVIEWERS_WITHOUT_CHECK = 10; |
| public static final int DEFAULT_MAX_REVIEWERS = 20; |
| |
| private final AccountResolver accountResolver; |
| private final PermissionBackend permissionBackend; |
| private final GroupResolver groupResolver; |
| private final GroupMembers groupMembers; |
| private final AccountLoader.Factory accountLoaderFactory; |
| private final Provider<ReviewDb> dbProvider; |
| private final Config cfg; |
| private final ReviewerJson json; |
| private final NotesMigration migration; |
| private final NotifyUtil notifyUtil; |
| private final ProjectCache projectCache; |
| private final Provider<AnonymousUser> anonymousProvider; |
| private final AddReviewersOp.Factory addReviewersOpFactory; |
| private final OutgoingEmailValidator validator; |
| |
| @Inject |
| ReviewerAdder( |
| AccountResolver accountResolver, |
| PermissionBackend permissionBackend, |
| GroupResolver groupResolver, |
| GroupMembers groupMembers, |
| AccountLoader.Factory accountLoaderFactory, |
| Provider<ReviewDb> db, |
| @GerritServerConfig Config cfg, |
| ReviewerJson json, |
| NotesMigration migration, |
| NotifyUtil notifyUtil, |
| ProjectCache projectCache, |
| Provider<AnonymousUser> anonymousProvider, |
| AddReviewersOp.Factory addReviewersOpFactory, |
| OutgoingEmailValidator validator) { |
| this.accountResolver = accountResolver; |
| this.permissionBackend = permissionBackend; |
| this.groupResolver = groupResolver; |
| this.groupMembers = groupMembers; |
| this.accountLoaderFactory = accountLoaderFactory; |
| this.dbProvider = db; |
| this.cfg = cfg; |
| this.json = json; |
| this.migration = migration; |
| this.notifyUtil = notifyUtil; |
| this.projectCache = projectCache; |
| this.anonymousProvider = anonymousProvider; |
| this.addReviewersOpFactory = addReviewersOpFactory; |
| this.validator = validator; |
| } |
| |
| /** |
| * Prepare application of a single {@link AddReviewerInput}. |
| * |
| * @param notes change notes. |
| * @param user user performing the reviewer addition. |
| * @param input input describing user or group to add as a reviewer. |
| * @param allowGroup whether to allow |
| * @return handle describing the addition operation. If the {@code op} field is present, this |
| * operation may be added to a {@code BatchUpdate}. Otherwise, the {@code error} field |
| * contains information about an error that occurred |
| * @throws OrmException |
| * @throws IOException |
| * @throws PermissionBackendException |
| * @throws ConfigInvalidException |
| */ |
| public ReviewerAddition prepare( |
| ChangeNotes notes, CurrentUser user, AddReviewerInput input, boolean allowGroup) |
| throws OrmException, IOException, PermissionBackendException, ConfigInvalidException { |
| Branch.NameKey dest = notes.getChange().getDest(); |
| String reviewer = checkNotNull(input.reviewer); |
| ReviewerState state = input.state(); |
| NotifyHandling notify = input.notify; |
| ListMultimap<RecipientType, Account.Id> accountsToNotify; |
| try { |
| accountsToNotify = notifyUtil.resolveAccounts(input.notifyDetails); |
| } catch (BadRequestException e) { |
| return fail(reviewer, e.getMessage()); |
| } |
| boolean confirmed = input.confirmed(); |
| boolean allowByEmail = |
| projectCache |
| .checkedGet(dest.getParentKey()) |
| .is(BooleanProjectConfig.ENABLE_REVIEWER_BY_EMAIL); |
| |
| ReviewerAddition byAccountId = |
| addByAccountId( |
| reviewer, dest, user, state, notify, accountsToNotify, allowGroup, allowByEmail); |
| |
| ReviewerAddition wholeGroup = null; |
| if (byAccountId == null || !byAccountId.exactMatchFound) { |
| wholeGroup = |
| addWholeGroup( |
| reviewer, |
| dest, |
| user, |
| state, |
| notify, |
| accountsToNotify, |
| confirmed, |
| allowGroup, |
| allowByEmail); |
| if (wholeGroup != null && wholeGroup.exactMatchFound) { |
| return wholeGroup; |
| } |
| } |
| |
| if (byAccountId != null) { |
| return byAccountId; |
| } |
| if (wholeGroup != null) { |
| return wholeGroup; |
| } |
| |
| return addByEmail(reviewer, notes, user, state, notify, accountsToNotify); |
| } |
| |
| public ReviewerAddition ccCurrentUser(CurrentUser user, RevisionResource revision) { |
| return new ReviewerAddition( |
| user.getUserName().orElse(null), |
| revision.getUser(), |
| ImmutableSet.of(user.getAccountId()), |
| null, |
| CC, |
| NotifyHandling.NONE, |
| ImmutableListMultimap.of(), |
| true); |
| } |
| |
| @Nullable |
| private ReviewerAddition addByAccountId( |
| String reviewer, |
| Branch.NameKey dest, |
| CurrentUser user, |
| ReviewerState state, |
| NotifyHandling notify, |
| ListMultimap<RecipientType, Account.Id> accountsToNotify, |
| boolean allowGroup, |
| boolean allowByEmail) |
| throws OrmException, PermissionBackendException, IOException, ConfigInvalidException { |
| IdentifiedUser reviewerUser; |
| boolean exactMatchFound = false; |
| try { |
| reviewerUser = accountResolver.parse(reviewer); |
| if (reviewer.equalsIgnoreCase(reviewerUser.getName()) |
| || reviewer.equals(String.valueOf(reviewerUser.getAccountId()))) { |
| exactMatchFound = true; |
| } |
| } catch (UnprocessableEntityException | AuthException e) { |
| // AuthException won't occur since the user is authenticated at this point. |
| if (!allowGroup && !allowByEmail) { |
| // Only return failure if we aren't going to try other interpretations. |
| return fail( |
| reviewer, MessageFormat.format(ChangeMessages.get().reviewerNotFoundUser, reviewer)); |
| } |
| return null; |
| } |
| |
| if (isValidReviewer(dest, reviewerUser.getAccount())) { |
| return new ReviewerAddition( |
| reviewer, |
| user, |
| ImmutableSet.of(reviewerUser.getAccountId()), |
| null, |
| state, |
| notify, |
| accountsToNotify, |
| exactMatchFound); |
| } |
| if (!reviewerUser.getAccount().isActive()) { |
| if (allowByEmail && state == CC) { |
| return null; |
| } |
| return fail(reviewer, MessageFormat.format(ChangeMessages.get().reviewerInactive, reviewer)); |
| } |
| return fail( |
| reviewer, MessageFormat.format(ChangeMessages.get().reviewerCantSeeChange, reviewer)); |
| } |
| |
| @Nullable |
| private ReviewerAddition addWholeGroup( |
| String reviewer, |
| Branch.NameKey dest, |
| CurrentUser user, |
| ReviewerState state, |
| NotifyHandling notify, |
| ListMultimap<RecipientType, Account.Id> accountsToNotify, |
| boolean confirmed, |
| boolean allowGroup, |
| boolean allowByEmail) |
| throws IOException, PermissionBackendException { |
| if (!allowGroup) { |
| return null; |
| } |
| |
| GroupDescription.Basic group; |
| try { |
| group = groupResolver.parseInternal(reviewer); |
| } catch (UnprocessableEntityException e) { |
| if (!allowByEmail) { |
| return fail( |
| reviewer, |
| MessageFormat.format(ChangeMessages.get().reviewerNotFoundUserOrGroup, reviewer)); |
| } |
| return null; |
| } |
| |
| if (!isLegalReviewerGroup(group.getGroupUUID())) { |
| return fail( |
| reviewer, MessageFormat.format(ChangeMessages.get().groupIsNotAllowed, group.getName())); |
| } |
| |
| Set<Account.Id> reviewers = new HashSet<>(); |
| Set<Account> members; |
| try { |
| members = groupMembers.listAccounts(group.getGroupUUID(), dest.getParentKey()); |
| } catch (NoSuchProjectException e) { |
| return fail(reviewer, e.getMessage()); |
| } |
| |
| // if maxAllowed is set to 0, it is allowed to add any number of |
| // reviewers |
| int maxAllowed = cfg.getInt("addreviewer", "maxAllowed", DEFAULT_MAX_REVIEWERS); |
| if (maxAllowed > 0 && members.size() > maxAllowed) { |
| return fail( |
| reviewer, |
| MessageFormat.format(ChangeMessages.get().groupHasTooManyMembers, group.getName())); |
| } |
| |
| // if maxWithoutCheck is set to 0, we never ask for confirmation |
| int maxWithoutConfirmation = |
| cfg.getInt("addreviewer", "maxWithoutConfirmation", DEFAULT_MAX_REVIEWERS_WITHOUT_CHECK); |
| if (!confirmed && maxWithoutConfirmation > 0 && members.size() > maxWithoutConfirmation) { |
| return fail( |
| reviewer, |
| true, |
| MessageFormat.format( |
| ChangeMessages.get().groupManyMembersConfirmation, group.getName(), members.size())); |
| } |
| |
| for (Account member : members) { |
| if (isValidReviewer(dest, member)) { |
| reviewers.add(member.getId()); |
| } |
| } |
| |
| return new ReviewerAddition( |
| reviewer, user, reviewers, null, state, notify, accountsToNotify, true); |
| } |
| |
| @Nullable |
| private ReviewerAddition addByEmail( |
| String reviewer, |
| ChangeNotes notes, |
| CurrentUser user, |
| ReviewerState state, |
| NotifyHandling notify, |
| ListMultimap<RecipientType, Account.Id> accountsToNotify) |
| throws PermissionBackendException { |
| try { |
| permissionBackend |
| .user(anonymousProvider.get()) |
| .database(dbProvider) |
| .change(notes) |
| .check(ChangePermission.READ); |
| } catch (AuthException e) { |
| return fail( |
| reviewer, MessageFormat.format(ChangeMessages.get().reviewerCantSeeChange, reviewer)); |
| } |
| |
| if (!migration.readChanges()) { |
| // addByEmail depends on NoteDb. |
| return fail( |
| reviewer, MessageFormat.format(ChangeMessages.get().reviewerNotFoundUser, reviewer)); |
| } |
| Address adr = Address.tryParse(reviewer); |
| if (adr == null || !validator.isValid(adr.getEmail())) { |
| return fail(reviewer, MessageFormat.format(ChangeMessages.get().reviewerInvalid, reviewer)); |
| } |
| return new ReviewerAddition( |
| reviewer, user, null, ImmutableList.of(adr), state, notify, accountsToNotify, true); |
| } |
| |
| private boolean isValidReviewer(Branch.NameKey branch, Account member) |
| throws PermissionBackendException { |
| if (!member.isActive()) { |
| return false; |
| } |
| |
| try { |
| // Check ref permission instead of change permission, since change permissions take into |
| // account the private bit, whereas adding a user as a reviewer is explicitly allowing them to |
| // see private changes. |
| permissionBackend |
| .absentUser(member.getId()) |
| .database(dbProvider) |
| .ref(branch) |
| .check(RefPermission.READ); |
| return true; |
| } catch (AuthException e) { |
| return false; |
| } |
| } |
| |
| private ReviewerAddition fail(String reviewer, String error) { |
| return fail(reviewer, false, error); |
| } |
| |
| private ReviewerAddition fail(String reviewer, boolean confirm, String error) { |
| ReviewerAddition addition = new ReviewerAddition(reviewer); |
| addition.result.confirm = confirm ? true : null; |
| addition.result.error = error; |
| return addition; |
| } |
| |
| public class ReviewerAddition { |
| public final AddReviewerResult result; |
| @Nullable public final AddReviewersOp op; |
| public final ImmutableSet<Account.Id> reviewers; |
| public final ImmutableSet<Address> reviewersByEmail; |
| public final ReviewerState state; |
| @Nullable final IdentifiedUser caller; |
| final boolean exactMatchFound; |
| |
| private ReviewerAddition(String reviewer) { |
| result = new AddReviewerResult(reviewer); |
| op = null; |
| reviewers = ImmutableSet.of(); |
| reviewersByEmail = ImmutableSet.of(); |
| state = REVIEWER; |
| caller = null; |
| exactMatchFound = false; |
| } |
| |
| private ReviewerAddition( |
| String reviewer, |
| CurrentUser caller, |
| @Nullable Iterable<Account.Id> reviewers, |
| @Nullable Iterable<Address> reviewersByEmail, |
| ReviewerState state, |
| @Nullable NotifyHandling notify, |
| ListMultimap<RecipientType, Account.Id> accountsToNotify, |
| boolean exactMatchFound) { |
| checkArgument( |
| reviewers != null || reviewersByEmail != null, |
| "must have either reviewers or reviewersByEmail"); |
| |
| result = new AddReviewerResult(reviewer); |
| this.reviewers = reviewers == null ? ImmutableSet.of() : ImmutableSet.copyOf(reviewers); |
| this.reviewersByEmail = |
| reviewersByEmail == null ? ImmutableSet.of() : ImmutableSet.copyOf(reviewersByEmail); |
| this.state = state; |
| this.caller = caller.asIdentifiedUser(); |
| op = |
| addReviewersOpFactory.create( |
| this.reviewers, this.reviewersByEmail, state, notify, accountsToNotify); |
| this.exactMatchFound = exactMatchFound; |
| } |
| |
| public void gatherResults(ChangeData cd) throws OrmException, PermissionBackendException { |
| checkState(op != null, "addition did not result in an update op"); |
| checkState(op.getResult() != null, "op did not return a result"); |
| |
| // Generate result details and fill AccountLoader. This occurs outside |
| // the Op because the accounts are in a different table. |
| AddReviewersOp.Result opResult = op.getResult(); |
| if (migration.readChanges() && state == CC) { |
| result.ccs = Lists.newArrayListWithCapacity(opResult.addedCCs().size()); |
| for (Account.Id accountId : opResult.addedCCs()) { |
| result.ccs.add(json.format(new ReviewerInfo(accountId.get()), accountId, cd)); |
| } |
| accountLoaderFactory.create(true).fill(result.ccs); |
| for (Address a : opResult.addedCCsByEmail()) { |
| result.ccs.add(new AccountInfo(a.getName(), a.getEmail())); |
| } |
| } else { |
| result.reviewers = Lists.newArrayListWithCapacity(opResult.addedReviewers().size()); |
| for (PatchSetApproval psa : opResult.addedReviewers()) { |
| // New reviewers have value 0, don't bother normalizing. |
| result.reviewers.add( |
| json.format( |
| new ReviewerInfo(psa.getAccountId().get()), |
| psa.getAccountId(), |
| cd, |
| ImmutableList.of(psa))); |
| } |
| accountLoaderFactory.create(true).fill(result.reviewers); |
| for (Address a : opResult.addedReviewersByEmail()) { |
| result.reviewers.add(ReviewerInfo.byEmail(a.getName(), a.getEmail())); |
| } |
| } |
| } |
| } |
| |
| public static boolean isLegalReviewerGroup(AccountGroup.UUID groupUUID) { |
| return !SystemGroupBackend.isSystemGroup(groupUUID); |
| } |
| } |
