| package org.apache.maven.plugins.enforcer; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.commons.codec.digest.DigestUtils; |
| import org.apache.maven.enforcer.rule.api.EnforcerRuleException; |
| import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper; |
| import org.codehaus.plexus.util.IOUtil; |
| |
| /** |
| * Rule to validate a file to match the specified checksum. |
| * |
| * @author Edward Samson |
| * @author Lyubomyr Shaydariv |
| */ |
| public class RequireFileChecksum |
| extends AbstractNonCacheableEnforcerRule |
| { |
| |
| private File file; |
| |
| private String checksum; |
| |
| private String type; |
| |
| @Override |
| public void execute( EnforcerRuleHelper helper ) |
| throws EnforcerRuleException |
| { |
| if ( this.file == null ) |
| { |
| throw new EnforcerRuleException( "Input file unspecified" ); |
| } |
| |
| if ( this.type == null ) |
| { |
| throw new EnforcerRuleException( "Hash type unspecified" ); |
| } |
| |
| if ( this.checksum == null ) |
| { |
| throw new EnforcerRuleException( "Checksum unspecified" ); |
| } |
| |
| InputStream inputStream = null; |
| try |
| { |
| if ( this.file.isDirectory() || !this.file.canRead() ) |
| { |
| throw new EnforcerRuleException( "Cannot read file: " + this.file.getAbsolutePath() ); |
| } |
| |
| inputStream = new FileInputStream( this.file ); |
| String checksum; |
| if ( "md5".equals( this.type ) ) |
| { |
| checksum = DigestUtils.md5Hex( inputStream ); |
| } |
| else if ( "sha1".equals( this.type ) ) |
| { |
| checksum = DigestUtils.shaHex( inputStream ); |
| } |
| else if ( "sha256".equals( this.type ) ) |
| { |
| checksum = DigestUtils.sha256Hex( inputStream ); |
| } |
| else if ( "sha384".equals( this.type ) ) |
| { |
| checksum = DigestUtils.sha384Hex( inputStream ); |
| } |
| else if ( "sha512".equals( this.type ) ) |
| { |
| checksum = DigestUtils.sha512Hex( inputStream ); |
| } |
| else |
| { |
| throw new EnforcerRuleException( "Unsupported hash type: " + this.type ); |
| } |
| if ( !checksum.equalsIgnoreCase( this.checksum ) ) |
| { |
| throw new EnforcerRuleException( this.type + " hash of " + this.file + " was " + checksum |
| + " but expected " + this.checksum ); |
| } |
| } |
| catch ( IOException e ) |
| { |
| throw new EnforcerRuleException( "Unable to calculate checksum", e ); |
| } |
| finally |
| { |
| IOUtil.close( inputStream ); |
| } |
| } |
| |
| /** |
| * The file to check. |
| * |
| * @param file file |
| */ |
| public void setFile( File file ) |
| { |
| this.file = file; |
| } |
| |
| /** |
| * The expected checksum value. |
| * |
| * @param checksum checksum |
| */ |
| public void setChecksum( String checksum ) |
| { |
| this.checksum = checksum; |
| } |
| |
| /** |
| * The checksum algorithm to use. Possible values: "md5", "sha1", "sha256", "sha384", "sha512". |
| * |
| * @param type algorithm |
| */ |
| public void setType( String type ) |
| { |
| this.type = type; |
| } |
| |
| } |