Examples with REJECTED_MISSING_OBJECT org.eclipse.jgit.transport.ReceiveCommand.Result.REJECTED_MISSING_OBJECT used on opensource projects

Example 1 with REJECTED_MISSING_OBJECT

use of org.eclipse.jgit.transport.ReceiveCommand.Result.REJECTED_MISSING_OBJECT in project gerrit by GerritCodeReview.

the class ReceiveCommits method parseMagicBranch.

/**
 * Parse the magic branch data (refs/for/BRANCH/OPTIONALTOPIC%OPTIONS) into the magicBranch
 * member.
 *
 * <p>Assumes we are handling a magic branch here.
 */
private void parseMagicBranch(ReceiveCommand cmd) throws PermissionBackendException, IOException {
    try (TraceTimer traceTimer = newTimer("parseMagicBranch")) {
        logger.atFine().log("Found magic branch %s", cmd.getRefName());
        MagicBranchInput magicBranch = new MagicBranchInput(user, projectState, cmd, labelTypes);
        String ref;
        magicBranch.cmdLineParser = optionParserFactory.create(magicBranch);
        // Filter out plugin push options, as the parser would reject them as unknown.
        ImmutableListMultimap<String, String> pushOptionsToParse = pushOptions.entries().stream().filter(e -> !isPluginPushOption(e.getKey())).collect(toImmutableListMultimap(e -> e.getKey(), e -> e.getValue()));
        try {
            ref = magicBranch.parse(pushOptionsToParse);
        } catch (CmdLineException e) {
            if (!magicBranch.cmdLineParser.wasHelpRequestedByOption()) {
                logger.atFine().log("Invalid branch syntax");
                reject(cmd, e.getMessage());
                return;
            }
            // never happens
            ref = null;
        }
        if (magicBranch.skipValidation) {
            reject(cmd, String.format("\"--%s\" option is only supported for direct push", PUSH_OPTION_SKIP_VALIDATION));
            return;
        }
        if (magicBranch.topic != null && magicBranch.topic.length() > ChangeUtil.TOPIC_MAX_LENGTH) {
            reject(cmd, String.format("topic length exceeds the limit (%d)", ChangeUtil.TOPIC_MAX_LENGTH));
        }
        if (magicBranch.cmdLineParser.wasHelpRequestedByOption()) {
            StringWriter w = new StringWriter();
            w.write("\nHelp for refs/for/branch:\n\n");
            magicBranch.cmdLineParser.printUsage(w, null);
            String pluginPushOptionsHelp = StreamSupport.stream(pluginPushOptions.entries().spliterator(), /* parallel= */
            false).map(e -> String.format("-o %s~%s: %s", e.getPluginName(), e.get().getName(), e.get().getDescription())).sorted().collect(joining("\n"));
            if (!pluginPushOptionsHelp.isEmpty()) {
                w.write("\nPlugin push options:\n" + pluginPushOptionsHelp);
            }
            addMessage(w.toString());
            reject(cmd, "see help");
            return;
        }
        if (projectState.isAllUsers() && RefNames.REFS_USERS_SELF.equals(ref)) {
            logger.atFine().log("Handling %s", RefNames.REFS_USERS_SELF);
            ref = RefNames.refsUsers(user.getAccountId());
        }
        // configuration.
        if (receivePackRefCache.exactRef(ref) == null && !ref.equals(readHEAD(repo)) && !ref.equals(RefNames.REFS_CONFIG)) {
            logger.atFine().log("Ref %s not found", ref);
            if (ref.startsWith(Constants.R_HEADS)) {
                String n = ref.substring(Constants.R_HEADS.length());
                reject(cmd, "branch " + n + " not found");
            } else {
                reject(cmd, ref + " not found");
            }
            return;
        }
        magicBranch.dest = BranchNameKey.create(project.getNameKey(), ref);
        magicBranch.perm = permissions.ref(ref);
        Optional<AuthException> err = checkRefPermission(magicBranch.perm, RefPermission.READ).map(Optional::of).orElse(checkRefPermission(magicBranch.perm, RefPermission.CREATE_CHANGE));
        if (err.isPresent()) {
            rejectProhibited(cmd, err.get());
            return;
        }
        if (magicBranch.isPrivate && magicBranch.removePrivate) {
            reject(cmd, "the options 'private' and 'remove-private' are mutually exclusive");
            return;
        }
        boolean privateByDefault = projectCache.get(project.getNameKey()).orElseThrow(illegalState(project.getNameKey())).is(BooleanProjectConfig.PRIVATE_BY_DEFAULT);
        setChangeAsPrivate = magicBranch.isPrivate || (privateByDefault && !magicBranch.removePrivate);
        if (receiveConfig.disablePrivateChanges && setChangeAsPrivate) {
            reject(cmd, "private changes are disabled");
            return;
        }
        if (magicBranch.workInProgress && magicBranch.ready) {
            reject(cmd, "the options 'wip' and 'ready' are mutually exclusive");
            return;
        }
        if (magicBranch.publishComments && magicBranch.noPublishComments) {
            reject(cmd, "the options 'publish-comments' and 'no-publish-comments' are mutually exclusive");
            return;
        }
        if (magicBranch.submit) {
            err = checkRefPermission(magicBranch.perm, RefPermission.UPDATE_BY_SUBMIT);
            if (err.isPresent()) {
                rejectProhibited(cmd, err.get());
                return;
            }
        }
        RevWalk walk = receivePack.getRevWalk();
        RevCommit tip;
        try {
            tip = walk.parseCommit(magicBranch.cmd.getNewId());
            logger.atFine().log("Tip of push: %s", tip.name());
        } catch (IOException ex) {
            magicBranch.cmd.setResult(REJECTED_MISSING_OBJECT);
            logger.atSevere().withCause(ex).log("Invalid pack upload; one or more objects weren't sent");
            return;
        }
        String destBranch = magicBranch.dest.branch();
        try {
            if (magicBranch.merged) {
                if (magicBranch.base != null) {
                    reject(cmd, "cannot use merged with base");
                    return;
                }
                Ref refTip = receivePackRefCache.exactRef(magicBranch.dest.branch());
                if (refTip == null) {
                    reject(cmd, magicBranch.dest.branch() + " not found");
                    return;
                }
                RevCommit branchTip = receivePack.getRevWalk().parseCommit(refTip.getObjectId());
                if (!walk.isMergedInto(tip, branchTip)) {
                    reject(cmd, "not merged into branch");
                    return;
                }
            }
            // if %base or %merged was specified, ignore newChangeForAllNotInTarget.
            if (tip.getParentCount() > 1 || magicBranch.base != null || magicBranch.merged || tip.getParentCount() == 0) {
                logger.atFine().log("Forcing newChangeForAllNotInTarget = false");
                newChangeForAllNotInTarget = false;
            }
            if (magicBranch.base != null) {
                logger.atFine().log("Handling %%base: %s", magicBranch.base);
                magicBranch.baseCommit = Lists.newArrayListWithCapacity(magicBranch.base.size());
                for (ObjectId id : magicBranch.base) {
                    try {
                        magicBranch.baseCommit.add(walk.parseCommit(id));
                    } catch (IncorrectObjectTypeException notCommit) {
                        reject(cmd, "base must be a commit");
                        return;
                    } catch (MissingObjectException e) {
                        reject(cmd, "base not found");
                        return;
                    } catch (IOException e) {
                        throw new StorageException(String.format("Project %s cannot read %s", project.getName(), id.name()), e);
                    }
                }
            } else if (newChangeForAllNotInTarget) {
                Ref refTip = receivePackRefCache.exactRef(magicBranch.dest.branch());
                if (refTip != null) {
                    RevCommit branchTip = receivePack.getRevWalk().parseCommit(refTip.getObjectId());
                    magicBranch.baseCommit = Collections.singletonList(branchTip);
                    logger.atFine().log("Set baseCommit = %s", magicBranch.baseCommit.get(0).name());
                } else {
                    // repository and to review an initial project configuration.
                    if (!ref.equals(readHEAD(repo)) && !ref.equals(RefNames.REFS_CONFIG)) {
                        reject(cmd, magicBranch.dest.branch() + " not found");
                        return;
                    }
                }
            }
        } catch (IOException e) {
            throw new StorageException(String.format("Error walking to %s in project %s", destBranch, project.getName()), e);
        }
        if (validateConnected(magicBranch.cmd, magicBranch.dest, tip)) {
            this.magicBranch = magicBranch;
            this.result.magicPush(true);
        }
    }
}