| // Copyright (C) 2023 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.patch; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.gerrit.server.config.GerritServerConfig; |
| import com.google.gerrit.server.git.LargeObjectException; |
| import com.google.gerrit.server.patch.filediff.FileDiffOutput; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import org.eclipse.jgit.lib.Config; |
| |
| @Singleton |
| public class DiffFileSizeValidator implements DiffValidator { |
| static final int DEFAULT_MAX_FILE_SIZE = 0; |
| private static final String ERROR_MESSAGE = |
| "File size for file %s exceeded the max file size threshold. Threshold = %d MiB, " |
| + "Actual size = %d MiB"; |
| |
| @VisibleForTesting int maxFileSize; |
| |
| @VisibleForTesting |
| void setMaxFileSize(int threshold) { |
| this.maxFileSize = threshold; |
| } |
| |
| @Inject |
| public DiffFileSizeValidator(@GerritServerConfig Config cfg) { |
| this.maxFileSize = cfg.getInt("change", "maxFileSizeDiff", DEFAULT_MAX_FILE_SIZE); |
| } |
| |
| @Override |
| public void validate(FileDiffOutput fileDiff) throws LargeObjectException { |
| if (maxFileSize <= 0) { |
| // Do not apply limits if the config is not set. |
| return; |
| } |
| if (fileDiff.size() > maxFileSize) { |
| throw new LargeObjectException( |
| String.format(ERROR_MESSAGE, fileDiff.getDefaultPath(), maxFileSize, fileDiff.size())); |
| } |
| if (fileDiff.sizeDelta() > maxFileSize) { |
| throw new LargeObjectException( |
| String.format( |
| ERROR_MESSAGE, fileDiff.getDefaultPath(), maxFileSize, fileDiff.sizeDelta())); |
| } |
| } |
| } |