001 package org.apache.maven.scm.provider.cvslib.command.login;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import org.apache.maven.scm.ScmException;
023 import org.apache.maven.scm.log.ScmLogger;
024
025 import java.io.BufferedReader;
026 import java.io.File;
027 import java.io.FileReader;
028 import java.io.FileWriter;
029 import java.io.IOException;
030 import java.io.PrintWriter;
031
032 /**
033 * Adds an new entry to a CVS password file.
034 *
035 * @version $Id: CvsPass.java 1306867 2012-03-29 13:45:10Z olamy $
036 * @todo Update this class for support password storage in cvsnt. CVSNT use the windows registry, so, we need a jni
037 * tool for access to the windows registry
038 */
039 public class CvsPass
040 {
041 /**
042 * CVS Root
043 */
044 private String cvsRoot = null;
045
046 /**
047 * Password file to add password to
048 */
049 private File passFile = null;
050
051 /**
052 * Password to add to file
053 */
054 private String password = null;
055
056 private ScmLogger logger;
057
058 /**
059 * Array contain char conversion data
060 */
061 private final char[] shifts = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
062 24, 25, 26, 27, 28, 29, 30, 31, 114, 120, 53, 79, 96, 109, 72, 108, 70, 64, 76, 67, 116, 74, 68, 87, 111, 52,
063 75, 119, 49, 34, 82, 81, 95, 65, 112, 86, 118, 110, 122, 105, 41, 57, 83, 43, 46, 102, 40, 89, 38, 103, 45, 50,
064 42, 123, 91, 35, 125, 55, 54, 66, 124, 126, 59, 47, 92, 71, 115, 78, 88, 107, 106, 56, 36, 121, 117, 104, 101,
065 100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48, 58, 113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85, 223,
066 225, 216, 187, 166, 229, 189, 222, 188, 141, 249, 148, 200, 184, 136, 248, 190, 199, 170, 181, 204, 138, 232,
067 218, 183, 255, 234, 220, 247, 213, 203, 226, 193, 174, 172, 228, 252, 217, 201, 131, 230, 197, 211, 145, 238,
068 161, 179, 160, 212, 207, 221, 254, 173, 202, 146, 224, 151, 140, 196, 205, 130, 135, 133, 143, 246, 192, 159,
069 244, 239, 185, 168, 215, 144, 139, 165, 180, 157, 147, 186, 214, 176, 227, 231, 219, 169, 175, 156, 206, 198,
070 129, 164, 150, 210, 154, 177, 134, 127, 182, 128, 158, 208, 162, 132, 167, 209, 149, 241, 153, 251, 237, 236,
071 171, 195, 243, 233, 253, 240, 194, 250, 191, 155, 142, 137, 245, 235, 163, 242, 178, 152};
072
073 /**
074 * Create a CVS task using the default cvspass file location.
075 */
076 public CvsPass( ScmLogger logger )
077 {
078 passFile = new File( System.getProperty( "cygwin.user.home", System.getProperty( "user.home" ) ) + File
079 .separatorChar + ".cvspass" );
080 this.logger = logger;
081 }
082
083 /**
084 * Does the work.
085 *
086 * @throws ScmException if something is missing
087 * @throws IOException if something goes wrong
088 */
089 public final void execute()
090 throws ScmException, IOException
091 {
092 if ( cvsRoot == null )
093 {
094 throw new ScmException( "cvsroot is required" );
095 }
096
097 if ( logger.isDebugEnabled() )
098 {
099 logger.debug( "cvsRoot: " + cvsRoot );
100 logger.debug( "passFile: " + passFile );
101 }
102
103 BufferedReader reader = null;
104
105 PrintWriter writer = null;
106 try
107 {
108 StringBuilder buf = new StringBuilder();
109
110 if ( passFile.exists() )
111 {
112 reader = new BufferedReader( new FileReader( passFile ) );
113
114 String line = null;
115
116 while ( ( line = reader.readLine() ) != null )
117 {
118 if ( !line.startsWith( cvsRoot ) && !line.startsWith( "/1 " + cvsRoot ) )
119 {
120 buf.append( line ).append( "\n" );
121 }
122 else
123 {
124 if ( logger.isDebugEnabled() )
125 {
126 logger.debug( "cvsroot " + cvsRoot + " already exist in " + passFile.getAbsolutePath()
127 + ". SKIPPED." );
128 }
129
130 return;
131 }
132 }
133 }
134 else
135 {
136 passFile.getParentFile().mkdirs();
137 }
138
139 if ( password == null )
140 {
141 throw new ScmException( "password is required. You must run a 'cvs -d " + cvsRoot
142 + " login' first or provide it in the connection url." );
143 }
144
145 //logger.debug( "password: " + password );
146
147 String pwdfile = buf.toString() + "/1 " + cvsRoot + " A" + mangle( password );
148
149 if ( logger.isDebugEnabled() )
150 {
151 logger.debug( "Writing -> " + pwdfile + " in " + passFile.getAbsolutePath() );
152 }
153
154 writer = new PrintWriter( new FileWriter( passFile ) );
155
156 writer.println( pwdfile );
157 }
158 finally
159 {
160 if ( reader != null )
161 {
162 try
163 {
164 reader.close();
165 }
166 catch ( IOException e )
167 {
168 // ignore
169 }
170 }
171 if ( writer != null )
172 {
173 writer.close();
174 }
175 }
176 }
177
178 private String mangle( String password )
179 {
180 StringBuilder buf = new StringBuilder();
181 for ( int i = 0; i < password.length(); i++ )
182 {
183 buf.append( shifts[password.charAt( i )] );
184 }
185 return buf.toString();
186 }
187
188 /**
189 * The CVS repository to add an entry for.
190 *
191 * @param cvsRoot the CVS repository
192 */
193 public void setCvsroot( String cvsRoot )
194 {
195 this.cvsRoot = cvsRoot;
196 }
197
198 /**
199 * Password file to add the entry to.
200 *
201 * @param passFile the password file.
202 */
203 public void setPassfile( File passFile )
204 {
205 this.passFile = passFile;
206 }
207
208 /**
209 * Password to be added to the password file.
210 *
211 * @param password the password.
212 */
213 public void setPassword( String password )
214 {
215 this.password = password;
216 }
217
218 }