46 lines
1.6 KiB
Java
46 lines
1.6 KiB
Java
// Copyright (C) 2017 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.server.util;
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import com.google.common.base.Strings;
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import com.google.gerrit.common.Nullable;
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import com.google.gerrit.extensions.restapi.BadRequestException;
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/** Utility functions to manipulate commit messages. */
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public class CommitMessageUtil {
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private CommitMessageUtil() {}
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/**
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* Checks for invalid (empty or containing \0) commit messages and appends a newline character to
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* the commit message.
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*
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* @throws BadRequestException if the commit message is null or empty
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* @returns the trimmed message with a trailing newline character
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*/
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public static String checkAndSanitizeCommitMessage(@Nullable String commitMessage)
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throws BadRequestException {
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String trimmed = Strings.nullToEmpty(commitMessage).trim();
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if (trimmed.isEmpty()) {
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throw new BadRequestException("Commit message cannot be null or empty");
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}
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if (trimmed.indexOf(0) >= 0) {
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throw new BadRequestException("Commit message cannot have NUL character");
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}
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trimmed = trimmed + "\n";
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return trimmed;
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}
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}
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