1 package org.apache.archiva.policies;
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22 import org.apache.archiva.checksum.ChecksumAlgorithm;
23 import org.apache.archiva.checksum.ChecksummedFile;
24 import org.apache.commons.lang.StringUtils;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27 import org.springframework.stereotype.Service;
30 import java.util.ArrayList;
31 import java.util.List;
32 import java.util.Properties;
35 * ChecksumPolicy - a policy applied after the download to see if the file has been downloaded
36 * successfully and completely (or not).
40 @Service( "postDownloadPolicy#checksum" )
41 public class ChecksumPolicy
42 implements PostDownloadPolicy
44 private Logger log = LoggerFactory.getLogger( ChecksumPolicy.class );
47 * The IGNORE policy indicates that if the checksum policy is ignored, and
48 * the state of, contents of, or validity of the checksum files are not
51 public static final String IGNORE = "ignore";
54 * The FAIL policy indicates that if the checksum does not match the
55 * downloaded file, then remove the downloaded artifact, and checksum
56 * files, and fail the transfer to the client side.
58 public static final String FAIL = "fail";
61 * The FIX policy indicates that if the checksum does not match the
62 * downloaded file, then fix the checksum file locally, and return
63 * to the client side the corrected checksum.
65 public static final String FIX = "fix";
67 private ChecksumAlgorithm[] algorithms = new ChecksumAlgorithm[]{ ChecksumAlgorithm.SHA1, ChecksumAlgorithm.MD5 };
69 private List<String> options = new ArrayList<>( 3 );
71 public ChecksumPolicy()
75 options.add( IGNORE );
79 public void applyPolicy( String policySetting, Properties request, File localFile )
80 throws PolicyViolationException, PolicyConfigurationException
82 if ( "resource".equals( request.getProperty( "filetype" ) ) )
87 if ( !options.contains( policySetting ) )
90 throw new PolicyConfigurationException(
91 "Unknown checksum policy setting [" + policySetting + "], valid settings are [" + StringUtils.join(
92 options.iterator(), "," ) + "]" );
95 if ( IGNORE.equals( policySetting ) )
98 log.debug( "Checksum policy set to IGNORE." );
102 if ( !localFile.exists() )
104 // Local File does not exist.
105 throw new PolicyViolationException(
106 "Checksum policy failure, local file " + localFile.getAbsolutePath() + " does not exist to check." );
109 if ( FAIL.equals( policySetting ) )
111 ChecksummedFile checksum = new ChecksummedFile( localFile.toPath() );
112 if ( checksum.isValidChecksums( algorithms ) )
117 for ( ChecksumAlgorithm algorithm : algorithms )
119 File file = new File( localFile.getAbsolutePath() + "." + algorithm.getExt() );
127 throw new PolicyViolationException(
128 "Checksums do not match, policy set to FAIL, " + "deleting checksum files and local file "
129 + localFile.getAbsolutePath() + "." );
132 if ( FIX.equals( policySetting ) )
134 ChecksummedFile checksum = new ChecksummedFile( localFile.toPath() );
135 if ( checksum.fixChecksums( algorithms ) )
137 log.debug( "Checksum policy set to FIX, checksum files have been updated." );
142 throw new PolicyViolationException(
143 "Checksum policy set to FIX, " + "yet unable to update checksums for local file "
144 + localFile.getAbsolutePath() + "." );
148 throw new PolicyConfigurationException(
149 "Unable to process checksum policy of [" + policySetting + "], please file a bug report." );
153 public String getDefaultOption()
159 public String getId()
165 public String getName()
171 public List<String> getOptions()