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com.google.gerrit.server.restapi.change.PostReview Maven / Gradle / Ivy
// 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.google.gerrit.server.restapi.change;
import static com.google.common.base.MoreObjects.firstNonNull;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static com.google.gerrit.entities.Patch.PATCHSET_LEVEL;
import static com.google.gerrit.server.permissions.AbstractLabelPermission.ForUser.ON_BEHALF_OF;
import static com.google.gerrit.server.project.ProjectCache.illegalState;
import static com.google.gerrit.server.update.context.RefUpdateContext.RefUpdateType.CHANGE_MODIFICATION;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.stream.Collectors.groupingBy;
import static java.util.stream.Collectors.toList;
import static javax.servlet.http.HttpServletResponse.SC_BAD_REQUEST;
import com.google.auto.value.AutoValue;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Ordering;
import com.google.common.collect.Streams;
import com.google.common.flogger.FluentLogger;
import com.google.common.hash.HashCode;
import com.google.common.hash.Hashing;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.Address;
import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.Comment;
import com.google.gerrit.entities.HumanComment;
import com.google.gerrit.entities.LabelType;
import com.google.gerrit.entities.LabelTypes;
import com.google.gerrit.entities.Patch;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.extensions.api.changes.NotifyHandling;
import com.google.gerrit.extensions.api.changes.ReviewInput;
import com.google.gerrit.extensions.api.changes.ReviewInput.CommentInput;
import com.google.gerrit.extensions.api.changes.ReviewInput.DraftHandling;
import com.google.gerrit.extensions.api.changes.ReviewInput.RobotCommentInput;
import com.google.gerrit.extensions.api.changes.ReviewResult;
import com.google.gerrit.extensions.api.changes.ReviewerInput;
import com.google.gerrit.extensions.api.changes.ReviewerResult;
import com.google.gerrit.extensions.client.Comment.Range;
import com.google.gerrit.extensions.client.DiffPreferencesInfo.Whitespace;
import com.google.gerrit.extensions.client.ReviewerState;
import com.google.gerrit.extensions.client.Side;
import com.google.gerrit.extensions.common.FixReplacementInfo;
import com.google.gerrit.extensions.common.FixSuggestionInfo;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.BadRequestException;
import com.google.gerrit.extensions.restapi.ResourceConflictException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestModifyView;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.metrics.Counter1;
import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.Field;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.server.ChangeMessagesUtil;
import com.google.gerrit.server.CommentsUtil;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.DraftCommentsReader;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.ReviewerSet;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.AccountResolver;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.approval.ApprovalsUtil;
import com.google.gerrit.server.change.ChangeJson;
import com.google.gerrit.server.change.ChangeResource;
import com.google.gerrit.server.change.ModifyReviewersEmail;
import com.google.gerrit.server.change.NotifyResolver;
import com.google.gerrit.server.change.ReviewerModifier;
import com.google.gerrit.server.change.ReviewerModifier.ReviewerModification;
import com.google.gerrit.server.change.ReviewerOp.Result;
import com.google.gerrit.server.change.RevisionResource;
import com.google.gerrit.server.change.WorkInProgressOp;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.gerrit.server.extensions.events.ReviewerAdded;
import com.google.gerrit.server.logging.Metadata;
import com.google.gerrit.server.logging.TraceContext;
import com.google.gerrit.server.notedb.ChangeNotes;
import com.google.gerrit.server.patch.DiffSummary;
import com.google.gerrit.server.patch.DiffSummaryKey;
import com.google.gerrit.server.patch.PatchListCache;
import com.google.gerrit.server.patch.PatchListKey;
import com.google.gerrit.server.patch.PatchListNotAvailableException;
import com.google.gerrit.server.permissions.ChangePermission;
import com.google.gerrit.server.permissions.LabelPermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.ProjectCache;
import com.google.gerrit.server.project.ProjectState;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gerrit.server.update.BatchUpdate;
import com.google.gerrit.server.update.UpdateException;
import com.google.gerrit.server.update.context.RefUpdateContext;
import com.google.gerrit.server.util.time.TimeUtil;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.time.Instant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.lib.Config;
import org.eclipse.jgit.lib.ObjectId;
@Singleton
public class PostReview implements RestModifyView {
private static final FluentLogger logger = FluentLogger.forEnclosingClass();
@Singleton
private static class Metrics {
final Counter1 draftHandling;
@Inject
Metrics(MetricMaker metricMaker) {
draftHandling =
metricMaker.newCounter(
"change/post_review/draft_handling",
new Description(
"Total number of draft handling option "
+ "(KEEP, PUBLISH, PUBLISH_ALL_REVISIONS) "
+ "selected by users while posting a review.")
.setRate()
.setUnit("count"),
Field.ofString("type", Metadata.Builder::eventType)
.description(
"The type of the draft handling option"
+ " (KEEP, PUBLISH, PUBLISH_ALL_REVISIONS).")
.build());
}
}
private static final String ERROR_ADDING_REVIEWER = "error adding reviewer";
public static final String ERROR_WIP_READY_MUTUALLY_EXCLUSIVE =
"work_in_progress and ready are mutually exclusive";
private final BatchUpdate.Factory updateFactory;
private final PostReviewOp.Factory postReviewOpFactory;
private final ChangeResource.Factory changeResourceFactory;
private final ChangeData.Factory changeDataFactory;
private final AccountCache accountCache;
private final ApprovalsUtil approvalsUtil;
private final CommentsUtil commentsUtil;
private final DraftCommentsReader draftCommentsReader;
private final PatchListCache patchListCache;
private final AccountResolver accountResolver;
private final ReviewerModifier reviewerModifier;
private final Metrics metrics;
private final ModifyReviewersEmail modifyReviewersEmail;
private final NotifyResolver notifyResolver;
private final WorkInProgressOp.Factory workInProgressOpFactory;
private final ProjectCache projectCache;
private final PermissionBackend permissionBackend;
private final ReplyAttentionSetUpdates replyAttentionSetUpdates;
private final ReviewerAdded reviewerAdded;
private final boolean strictLabels;
private final ChangeJson.Factory changeJsonFactory;
@Inject
PostReview(
BatchUpdate.Factory updateFactory,
PostReviewOp.Factory postReviewOpFactory,
ChangeResource.Factory changeResourceFactory,
ChangeData.Factory changeDataFactory,
AccountCache accountCache,
ApprovalsUtil approvalsUtil,
CommentsUtil commentsUtil,
DraftCommentsReader draftCommentsReader,
PatchListCache patchListCache,
AccountResolver accountResolver,
ReviewerModifier reviewerModifier,
Metrics metrics,
ModifyReviewersEmail modifyReviewersEmail,
NotifyResolver notifyResolver,
@GerritServerConfig Config gerritConfig,
WorkInProgressOp.Factory workInProgressOpFactory,
ProjectCache projectCache,
PermissionBackend permissionBackend,
ReplyAttentionSetUpdates replyAttentionSetUpdates,
ReviewerAdded reviewerAdded,
ChangeJson.Factory changeJsonFactory) {
this.updateFactory = updateFactory;
this.postReviewOpFactory = postReviewOpFactory;
this.changeResourceFactory = changeResourceFactory;
this.changeDataFactory = changeDataFactory;
this.accountCache = accountCache;
this.commentsUtil = commentsUtil;
this.draftCommentsReader = draftCommentsReader;
this.patchListCache = patchListCache;
this.approvalsUtil = approvalsUtil;
this.accountResolver = accountResolver;
this.reviewerModifier = reviewerModifier;
this.metrics = metrics;
this.modifyReviewersEmail = modifyReviewersEmail;
this.notifyResolver = notifyResolver;
this.workInProgressOpFactory = workInProgressOpFactory;
this.projectCache = projectCache;
this.permissionBackend = permissionBackend;
this.replyAttentionSetUpdates = replyAttentionSetUpdates;
this.reviewerAdded = reviewerAdded;
this.strictLabels = gerritConfig.getBoolean("change", "strictLabels", false);
this.changeJsonFactory = changeJsonFactory;
}
@Override
public Response apply(RevisionResource revision, ReviewInput input)
throws RestApiException, UpdateException, IOException, PermissionBackendException,
ConfigInvalidException, PatchListNotAvailableException {
return apply(revision, input, TimeUtil.now());
}
public Response apply(RevisionResource revision, ReviewInput input, Instant ts)
throws RestApiException, UpdateException, IOException, PermissionBackendException,
ConfigInvalidException, PatchListNotAvailableException {
// Respect timestamp, but truncate at change created-on time.
ts = Ordering.natural().max(ts, revision.getChange().getCreatedOn());
if (revision.getEdit().isPresent()) {
throw new ResourceConflictException("cannot post review on edit");
}
ProjectState projectState =
projectCache.get(revision.getProject()).orElseThrow(illegalState(revision.getProject()));
LabelTypes labelTypes = projectState.getLabelTypes(revision.getNotes());
logger.atFine().log("strict label checking is %s", (strictLabels ? "enabled" : "disabled"));
metrics.draftHandling.increment(input.drafts == null ? "N/A" : input.drafts.name());
input.drafts = firstNonNull(input.drafts, DraftHandling.KEEP);
logger.atFine().log("draft handling = %s", input.drafts);
if (input.onBehalfOf != null) {
revision = onBehalfOf(revision, labelTypes, input);
}
if (input.labels != null) {
checkLabels(revision, labelTypes, input.labels);
}
if (input.comments != null) {
input.comments = cleanUpComments(input.comments);
checkComments(revision, input.comments);
}
if (input.draftIdsToPublish != null) {
checkDraftIds(revision, input.draftIdsToPublish, input.drafts);
}
if (input.robotComments != null) {
input.robotComments = cleanUpComments(input.robotComments);
checkRobotComments(revision, input.robotComments);
}
if (input.notify == null) {
input.notify = defaultNotify(revision.getChange(), input);
}
logger.atFine().log("notify handling = %s", input.notify);
Map reviewerJsonResults = null;
List reviewerResults = Lists.newArrayList();
boolean hasError = false;
boolean confirm = false;
if (input.reviewers != null) {
reviewerJsonResults = Maps.newHashMap();
for (ReviewerInput reviewerInput : input.reviewers) {
ReviewerModification result =
reviewerModifier.prepare(revision.getNotes(), revision.getUser(), reviewerInput, true);
reviewerJsonResults.put(reviewerInput.reviewer, result.result);
if (result.result.error != null) {
logger.atFine().log(
"Adding %s as reviewer failed: %s", reviewerInput.reviewer, result.result.error);
hasError = true;
continue;
}
if (result.result.confirm != null) {
logger.atFine().log(
"Adding %s as reviewer requires confirmation", reviewerInput.reviewer);
confirm = true;
continue;
}
logger.atFine().log("Adding %s as reviewer was prepared", reviewerInput.reviewer);
reviewerResults.add(result);
}
}
ReviewResult output = new ReviewResult();
output.reviewers = reviewerJsonResults;
if (hasError || confirm) {
output.error = ERROR_ADDING_REVIEWER;
return Response.withStatusCode(SC_BAD_REQUEST, output);
}
output.labels = input.labels;
// Notify based on ReviewInput, ignoring the notify settings from any ReviewerInputs.
NotifyResolver.Result notify = notifyResolver.resolve(input.notify, input.notifyDetails);
try (RefUpdateContext ctx = RefUpdateContext.open(CHANGE_MODIFICATION)) {
try (BatchUpdate bu =
updateFactory.create(revision.getChange().getProject(), revision.getUser(), ts)) {
bu.setNotify(notify);
Account account = revision.getUser().asIdentifiedUser().getAccount();
boolean ccOrReviewer = false;
if (input.labels != null && !input.labels.isEmpty()) {
ccOrReviewer = input.labels.values().stream().anyMatch(v -> v != 0);
if (ccOrReviewer) {
logger.atFine().log(
"calling user is cc/reviewer on the change due to voting on a label");
}
}
if (!ccOrReviewer) {
// Check if user was already CCed or reviewing prior to this review.
ReviewerSet currentReviewers =
approvalsUtil.getReviewers(revision.getChangeResource().getNotes());
ccOrReviewer = currentReviewers.all().contains(account.id());
if (ccOrReviewer) {
logger.atFine().log("calling user is already cc/reviewer on the change");
}
}
// Apply reviewer changes first. Revision emails should be sent to the
// updated set of reviewers. Also keep track of whether the user added
// themselves as a reviewer or to the CC list.
logger.atFine().log("adding reviewer additions");
for (ReviewerModification reviewerResult : reviewerResults) {
reviewerResult.op.suppressEmail(); // Send a single batch email below.
reviewerResult.op.suppressEvent(); // Send events below, if possible as batch.
bu.addOp(revision.getChange().getId(), reviewerResult.op);
if (!ccOrReviewer && reviewerResult.reviewers.contains(account)) {
logger.atFine().log("calling user is explicitly added as reviewer or CC");
ccOrReviewer = true;
}
}
if (!ccOrReviewer) {
// User posting this review isn't currently in the reviewer or CC list,
// isn't being explicitly added, and isn't voting on any label.
// Automatically CC them on this change so they receive replies.
logger.atFine().log("CCing calling user");
ReviewerModification selfAddition =
reviewerModifier.ccCurrentUser(revision.getUser(), revision);
selfAddition.op.suppressEmail();
selfAddition.op.suppressEvent();
bu.addOp(revision.getChange().getId(), selfAddition.op);
}
// Add WorkInProgressOp if requested.
if ((input.ready || input.workInProgress)
&& didWorkInProgressChange(revision.getChange().isWorkInProgress(), input)) {
if (input.ready && input.workInProgress) {
output.error = ERROR_WIP_READY_MUTUALLY_EXCLUSIVE;
return Response.withStatusCode(SC_BAD_REQUEST, output);
}
revision
.getChangeResource()
.permissions()
.check(ChangePermission.TOGGLE_WORK_IN_PROGRESS_STATE);
if (input.ready) {
output.ready = true;
}
logger.atFine().log("setting work-in-progress to %s", input.workInProgress);
WorkInProgressOp wipOp =
workInProgressOpFactory.create(input.workInProgress, new WorkInProgressOp.Input());
wipOp.suppressEmail();
bu.addOp(revision.getChange().getId(), wipOp);
}
// Add the review ops.
logger.atFine().log("posting review");
PostReviewOp postReviewOp =
postReviewOpFactory.create(
projectState, revision.getPatchSet().id(), input, revision.getAccountId());
bu.addOp(revision.getChange().getId(), postReviewOp);
// Adjust the attention set based on the input
replyAttentionSetUpdates.updateAttentionSet(
bu, revision.getNotes(), input, revision.getUser());
bu.execute();
}
}
// Re-read change to take into account results of the update.
ChangeData cd = changeDataFactory.create(revision.getProject(), revision.getChange().getId());
for (ReviewerModification reviewerResult : reviewerResults) {
reviewerResult.gatherResults(cd);
}
// Sending emails and events from ReviewersOps was suppressed so we can send a single batch
// email/event here.
batchEmailReviewers(revision.getUser(), revision.getChange(), reviewerResults, notify);
batchReviewerEvents(revision.getUser(), cd, revision.getPatchSet(), reviewerResults, ts);
if (input.responseFormatOptions != null) {
output.changeInfo = changeJsonFactory.create(input.responseFormatOptions).format(cd);
}
return Response.ok(output);
}
private boolean didWorkInProgressChange(boolean currentWorkInProgress, ReviewInput input) {
return input.ready == currentWorkInProgress || input.workInProgress != currentWorkInProgress;
}
private NotifyHandling defaultNotify(Change c, ReviewInput in) {
boolean workInProgress = c.isWorkInProgress();
if (in.workInProgress) {
workInProgress = true;
}
if (in.ready) {
workInProgress = false;
}
if (ChangeMessagesUtil.isAutogenerated(in.tag)) {
// Autogenerated comments default to lower notify levels.
return workInProgress ? NotifyHandling.OWNER : NotifyHandling.OWNER_REVIEWERS;
}
if (workInProgress && !c.hasReviewStarted()) {
// If review hasn't started we want to eliminate notifications, no matter who the author is.
return NotifyHandling.NONE;
}
// Otherwise, it's either a non-WIP change, or a WIP change where review has started. Notify
// everyone.
return NotifyHandling.ALL;
}
private void batchEmailReviewers(
CurrentUser user,
Change change,
List reviewerModifications,
NotifyResolver.Result notify) {
try (TraceContext.TraceTimer ignored =
TraceContext.newTimer(
getClass().getSimpleName() + "#batchEmailReviewers", Metadata.empty())) {
List to = new ArrayList<>();
List cc = new ArrayList<>();
List removed = new ArrayList<>();
List toByEmail = new ArrayList<>();
List ccByEmail = new ArrayList<>();
List removedByEmail = new ArrayList<>();
for (ReviewerModification modification : reviewerModifications) {
Result reviewAdditionResult = modification.op.getResult();
if (modification.state() == ReviewerState.REVIEWER
&& (!reviewAdditionResult.addedReviewers().isEmpty()
|| !reviewAdditionResult.addedReviewersByEmail().isEmpty())) {
to.addAll(modification.reviewers.stream().map(Account::id).collect(toImmutableSet()));
toByEmail.addAll(modification.reviewersByEmail);
} else if (modification.state() == ReviewerState.CC
&& (!reviewAdditionResult.addedCCs().isEmpty()
|| !reviewAdditionResult.addedCCsByEmail().isEmpty())) {
cc.addAll(modification.reviewers.stream().map(Account::id).collect(toImmutableSet()));
ccByEmail.addAll(modification.reviewersByEmail);
} else if (modification.state() == ReviewerState.REMOVED
&& (reviewAdditionResult.deletedReviewer().isPresent()
|| reviewAdditionResult.deletedReviewerByEmail().isPresent())) {
reviewAdditionResult.deletedReviewer().ifPresent(d -> removed.add(d));
reviewAdditionResult.deletedReviewerByEmail().ifPresent(d -> removedByEmail.add(d));
}
}
modifyReviewersEmail.emailReviewersAsync(
user.asIdentifiedUser(),
change,
to,
cc,
removed,
toByEmail,
ccByEmail,
removedByEmail,
notify);
}
}
private void batchReviewerEvents(
CurrentUser user,
ChangeData cd,
PatchSet patchSet,
List reviewerModifications,
Instant when) {
List newlyAddedReviewers = new ArrayList<>();
// There are no events for CCs and reviewers added/deleted by email.
for (ReviewerModification modification : reviewerModifications) {
Result reviewerAdditionResult = modification.op.getResult();
if (modification.state() == ReviewerState.REVIEWER) {
newlyAddedReviewers.addAll(
reviewerAdditionResult.addedReviewers().stream()
.map(psa -> psa.accountId())
.map(accountId -> accountCache.get(accountId))
.flatMap(Streams::stream)
.collect(toList()));
} else if (modification.state() == ReviewerState.REMOVED) {
// There is no batch event for reviewer removals, hence fire the event for each
// modification that deleted a reviewer immediately.
modification.op.sendEvent();
}
}
// Fire a batch event for all newly added reviewers.
reviewerAdded.fire(cd, patchSet, newlyAddedReviewers, user.asIdentifiedUser().state(), when);
}
private RevisionResource onBehalfOf(RevisionResource rev, LabelTypes labelTypes, ReviewInput in)
throws BadRequestException, AuthException, UnprocessableEntityException,
ResourceConflictException, PermissionBackendException, IOException,
ConfigInvalidException {
logger.atFine().log("request is executed on behalf of %s", in.onBehalfOf);
if (in.labels == null || in.labels.isEmpty()) {
throw new AuthException(
String.format("label required to post review on behalf of \"%s\"", in.onBehalfOf));
}
if (in.drafts != DraftHandling.KEEP) {
throw new AuthException("not allowed to modify other user's drafts");
}
logger.atFine().log("label input: %s", in.labels);
CurrentUser caller = rev.getUser();
PermissionBackend.ForChange perm = rev.permissions();
Iterator> itr = in.labels.entrySet().iterator();
while (itr.hasNext()) {
Map.Entry ent = itr.next();
Optional type = labelTypes.byLabel(ent.getKey());
if (!type.isPresent()) {
logger.atFine().log("label %s not found", ent.getKey());
if (strictLabels) {
throw new BadRequestException(
String.format("label \"%s\" is not a configured label", ent.getKey()));
}
logger.atFine().log("ignoring input for unknown label %s", ent.getKey());
itr.remove();
continue;
}
if (caller.isInternalUser()) {
logger.atFine().log(
"skipping on behalf of permission check for label %s"
+ " because caller is an internal user",
type.get().getName());
} else {
try {
perm.check(new LabelPermission.WithValue(ON_BEHALF_OF, type.get(), ent.getValue()));
} catch (AuthException e) {
throw new AuthException(
String.format(
"not permitted to modify label \"%s\" on behalf of \"%s\"",
type.get().getName(), in.onBehalfOf),
e);
}
}
}
if (in.labels.isEmpty()) {
logger.atFine().log("labels are empty after unknown labels have been removed");
throw new AuthException(
String.format("label required to post review on behalf of \"%s\"", in.onBehalfOf));
}
IdentifiedUser reviewer = accountResolver.resolve(in.onBehalfOf).asUniqueUserOnBehalfOf(caller);
logger.atFine().log("on behalf of user was resolved to %s", reviewer.getLoggableName());
try {
permissionBackend.user(reviewer).change(rev.getNotes()).check(ChangePermission.READ);
} catch (AuthException e) {
throw new ResourceConflictException(
String.format("on_behalf_of account %s cannot see change", reviewer.getAccountId()), e);
}
return new RevisionResource(
changeResourceFactory.create(rev.getNotes(), reviewer), rev.getPatchSet());
}
private void checkLabels(RevisionResource rsrc, LabelTypes labelTypes, Map labels)
throws BadRequestException, AuthException, PermissionBackendException {
logger.atFine().log("checking label input: %s", labels);
PermissionBackend.ForChange perm = rsrc.permissions();
Iterator> itr = labels.entrySet().iterator();
while (itr.hasNext()) {
Map.Entry ent = itr.next();
Optional lt = labelTypes.byLabel(ent.getKey());
if (!lt.isPresent()) {
logger.atFine().log("label %s not found", ent.getKey());
if (strictLabels) {
throw new BadRequestException(
String.format("label \"%s\" is not a configured label", ent.getKey()));
}
logger.atFine().log("ignoring input for unknown label %s", ent.getKey());
itr.remove();
continue;
}
if (ent.getValue() == null || ent.getValue() == 0) {
// Always permit 0, even if it is not within range.
// Later null/0 will be deleted and revoke the label.
continue;
}
if (lt.get().getValue(ent.getValue()) == null) {
logger.atFine().log("label value %s not found", ent.getValue());
if (strictLabels) {
throw new BadRequestException(
String.format("label \"%s\": %d is not a valid value", ent.getKey(), ent.getValue()));
}
logger.atFine().log(
"ignoring input for label %s because label value is unknown", ent.getKey());
itr.remove();
continue;
}
short val = ent.getValue();
try {
perm.check(new LabelPermission.WithValue(lt.get(), val));
} catch (AuthException e) {
throw new AuthException(
String.format("Applying label \"%s\": %d is restricted", lt.get().getName(), val), e);
}
}
}
private static
Map> cleanUpComments(Map> commentsPerPath) {
Map> cleanedUpCommentMap = new HashMap<>();
for (Map.Entry> e : commentsPerPath.entrySet()) {
String path = e.getKey();
List comments = e.getValue();
if (comments == null) {
continue;
}
List cleanedUpComments = cleanUpComments(comments);
if (!cleanedUpComments.isEmpty()) {
cleanedUpCommentMap.put(path, cleanedUpComments);
}
}
return cleanedUpCommentMap;
}
private static List cleanUpComments(
List comments) {
return comments.stream()
.filter(Objects::nonNull)
.filter(comment -> !Strings.nullToEmpty(comment.message).trim().isEmpty())
.collect(toList());
}
private void checkComments(
RevisionResource revision, Map> commentsPerPath)
throws BadRequestException, PatchListNotAvailableException {
logger.atFine().log("checking comments");
Set revisionFilePaths = getAffectedFilePaths(revision);
for (Map.Entry> entry : commentsPerPath.entrySet()) {
String path = entry.getKey();
PatchSet.Id patchSetId = revision.getPatchSet().id();
ensurePathRefersToAvailableOrMagicFile(path, revisionFilePaths, patchSetId);
List comments = entry.getValue();
for (T comment : comments) {
ensureLineIsNonNegative(comment.line, path);
ensureCommentNotOnMagicFilesOfAutoMerge(path, comment);
ensureRangeIsValid(path, comment.range);
ensureValidPatchsetLevelComment(path, comment);
ensureValidInReplyTo(revision.getNotes(), comment.inReplyTo);
}
}
}
/**
* Asserts that the draft IDs to publish are valid, i.e. they exist and belong to the current
* user. If the {@code draftHandling} parameter is equal to {@link DraftHandling#PUBLISH}, then
* draft IDs should all correspond to the target revision, otherwise we throw a
* BadRequestException.
*/
private void checkDraftIds(
RevisionResource resource, List draftIds, DraftHandling draftHandling)
throws BadRequestException {
Map draftsByUuid =
draftCommentsReader
.getDraftsByChangeAndDraftAuthor(resource.getNotes(), resource.getUser().getAccountId())
.stream()
.collect(Collectors.toMap(c -> c.key.uuid, c -> c));
List nonExistingDraftIds =
draftIds.stream().filter(id -> !draftsByUuid.containsKey(id)).collect(toList());
if (!nonExistingDraftIds.isEmpty()) {
throw new BadRequestException("Non-existing draft IDs: " + nonExistingDraftIds);
}
if (draftHandling == DraftHandling.PUBLISH_ALL_REVISIONS
|| draftHandling == DraftHandling.KEEP) {
return;
}
List draftsForOtherRevisions =
draftIds.stream()
.filter(id -> draftsByUuid.get(id).key.patchSetId != resource.getPatchSet().number())
.collect(toList());
if (!draftsForOtherRevisions.isEmpty()) {
throw new BadRequestException(
String.format(
"Draft comments for other revisions cannot be published when DraftHandling = PUBLISH."
+ " (draft IDs: %s)",
draftsForOtherRevisions));
}
}
private Set getAffectedFilePaths(RevisionResource revision)
throws PatchListNotAvailableException {
ObjectId newId = revision.getPatchSet().commitId();
DiffSummaryKey key =
DiffSummaryKey.fromPatchListKey(
PatchListKey.againstDefaultBase(newId, Whitespace.IGNORE_NONE));
DiffSummary ds = patchListCache.getDiffSummary(key, revision.getProject());
return new HashSet<>(ds.getPaths());
}
private static void ensurePathRefersToAvailableOrMagicFile(
String path, Set availableFilePaths, PatchSet.Id patchSetId)
throws BadRequestException {
if (!availableFilePaths.contains(path) && !Patch.isMagic(path)) {
throw new BadRequestException(
String.format("file %s not found in revision %s", path, patchSetId));
}
}
private static void ensureLineIsNonNegative(Integer line, String path)
throws BadRequestException {
if (line != null && line < 0) {
throw new BadRequestException(
String.format("negative line number %d not allowed on %s", line, path));
}
}
private static
void ensureCommentNotOnMagicFilesOfAutoMerge(String path, T comment)
throws BadRequestException {
if (Patch.isMagic(path) && comment.side == Side.PARENT && comment.parent == null) {
throw new BadRequestException(String.format("cannot comment on %s on auto-merge", path));
}
}
private static
void ensureValidPatchsetLevelComment(String path, T comment) throws BadRequestException {
if (path.equals(PATCHSET_LEVEL)
&& (comment.side != null || comment.range != null || comment.line != null)) {
throw new BadRequestException("Patchset-level comments can't have side, range, or line");
}
}
private void ensureValidInReplyTo(ChangeNotes changeNotes, String inReplyTo)
throws BadRequestException {
if (inReplyTo != null
&& !commentsUtil.getPublishedHumanComment(changeNotes, inReplyTo).isPresent()
&& !commentsUtil.getRobotComment(changeNotes, inReplyTo).isPresent()) {
throw new BadRequestException(
String.format("Invalid inReplyTo, comment %s not found", inReplyTo));
}
}
private void checkRobotComments(
RevisionResource revision, Map> in)
throws BadRequestException, PatchListNotAvailableException {
logger.atFine().log("checking robot comments");
for (Map.Entry> e : in.entrySet()) {
String commentPath = e.getKey();
for (RobotCommentInput c : e.getValue()) {
ensureRobotIdIsSet(c.robotId, commentPath);
ensureRobotRunIdIsSet(c.robotRunId, commentPath);
ensureFixSuggestionsAreAddable(c.fixSuggestions, commentPath);
// Size is validated later, in CommentLimitsValidator.
}
}
checkComments(revision, in);
}
private static void ensureRobotIdIsSet(String robotId, String commentPath)
throws BadRequestException {
if (robotId == null) {
throw new BadRequestException(
String.format("robotId is missing for robot comment on %s", commentPath));
}
}
private static void ensureRobotRunIdIsSet(String robotRunId, String commentPath)
throws BadRequestException {
if (robotRunId == null) {
throw new BadRequestException(
String.format("robotRunId is missing for robot comment on %s", commentPath));
}
}
private static void ensureFixSuggestionsAreAddable(
List fixSuggestionInfos, String commentPath) throws BadRequestException {
if (fixSuggestionInfos == null) {
return;
}
for (FixSuggestionInfo fixSuggestionInfo : fixSuggestionInfos) {
ensureDescriptionIsSet(commentPath, fixSuggestionInfo.description);
ensureFixReplacementsAreAddable(commentPath, fixSuggestionInfo.replacements);
}
}
private static void ensureDescriptionIsSet(String commentPath, String description)
throws BadRequestException {
if (description == null) {
throw new BadRequestException(
String.format(
"A description is required for the suggested fix of the robot comment on %s",
commentPath));
}
}
private static void ensureFixReplacementsAreAddable(
String commentPath, List fixReplacementInfos) throws BadRequestException {
ensureReplacementsArePresent(commentPath, fixReplacementInfos);
for (FixReplacementInfo fixReplacementInfo : fixReplacementInfos) {
ensureReplacementPathIsSetAndNotPatchsetLevel(commentPath, fixReplacementInfo.path);
ensureRangeIsSet(commentPath, fixReplacementInfo.range);
ensureRangeIsValid(commentPath, fixReplacementInfo.range);
ensureReplacementStringIsSet(commentPath, fixReplacementInfo.replacement);
}
Map> replacementsPerFilePath =
fixReplacementInfos.stream().collect(groupingBy(fixReplacement -> fixReplacement.path));
for (List sameFileReplacements : replacementsPerFilePath.values()) {
ensureRangesDoNotOverlap(commentPath, sameFileReplacements);
}
}
private static void ensureReplacementsArePresent(
String commentPath, List fixReplacementInfos) throws BadRequestException {
if (fixReplacementInfos == null || fixReplacementInfos.isEmpty()) {
throw new BadRequestException(
String.format(
"At least one replacement is "
+ "required for the suggested fix of the robot comment on %s",
commentPath));
}
}
private static void ensureReplacementPathIsSetAndNotPatchsetLevel(
String commentPath, String replacementPath) throws BadRequestException {
if (replacementPath == null) {
throw new BadRequestException(
String.format(
"A file path must be given for the replacement of the robot comment on %s",
commentPath));
}
if (replacementPath.equals(PATCHSET_LEVEL)) {
throw new BadRequestException(
String.format(
"A file path must not be %s for the replacement of the robot comment on %s",
PATCHSET_LEVEL, commentPath));
}
}
private static void ensureRangeIsSet(String commentPath, Range range) throws BadRequestException {
if (range == null) {
throw new BadRequestException(
String.format(
"A range must be given for the replacement of the robot comment on %s", commentPath));
}
}
private static void ensureRangeIsValid(String commentPath, Range range)
throws BadRequestException {
if (range == null) {
return;
}
if (!range.isValid()) {
throw new BadRequestException(
String.format(
"Range (%s:%s - %s:%s) is not valid for the comment on %s",
range.startLine,
range.startCharacter,
range.endLine,
range.endCharacter,
commentPath));
}
}
private static void ensureReplacementStringIsSet(String commentPath, String replacement)
throws BadRequestException {
if (replacement == null) {
throw new BadRequestException(
String.format(
"A content for replacement "
+ "must be indicated for the replacement of the robot comment on %s",
commentPath));
}
}
private static void ensureRangesDoNotOverlap(
String commentPath, List fixReplacementInfos) throws BadRequestException {
List sortedRanges =
fixReplacementInfos.stream()
.map(fixReplacementInfo -> fixReplacementInfo.range)
.sorted()
.collect(toList());
int previousEndLine = 0;
int previousOffset = -1;
for (Range range : sortedRanges) {
if (range.startLine < previousEndLine
|| (range.startLine == previousEndLine && range.startCharacter < previousOffset)) {
throw new BadRequestException(
String.format("Replacements overlap for the robot comment on %s", commentPath));
}
previousEndLine = range.endLine;
previousOffset = range.endCharacter;
}
}
/**
* Used to compare existing {@link HumanComment}-s with {@link CommentInput} comments by copying
* only the fields to compare.
*/
@AutoValue
abstract static class CommentSetEntry {
private static CommentSetEntry create(
String filename,
int patchSetId,
Integer line,
Side side,
HashCode message,
Comment.Range range) {
return new AutoValue_PostReview_CommentSetEntry(
filename, patchSetId, line, side, message, range);
}
public static CommentSetEntry create(Comment comment) {
return create(
comment.key.filename,
comment.key.patchSetId,
comment.lineNbr,
Side.fromShort(comment.side),
Hashing.murmur3_128().hashString(comment.message, UTF_8),
comment.range);
}
abstract String filename();
abstract int patchSetId();
@Nullable
abstract Integer line();
abstract Side side();
abstract HashCode message();
@Nullable
abstract Comment.Range range();
}
}
