| 1 | 1 | simandl | <?php |
| 2 | | | // WebSVN - Subversion repository viewing via the web using PHP |
| 3 | | | // Copyright (C) 2004-2006 Tim Armes |
| 4 | | | // |
| 5 | | | // This program is free software; you can redistribute it and/or modify |
| 6 | | | // it under the terms of the GNU General Public License as published by |
| 7 | | | // the Free Software Foundation; either version 2 of the License, or |
| 8 | | | // (at your option) any later version. |
| 9 | | | // |
| 10 | | | // This program is distributed in the hope that it will be useful, |
| 11 | | | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | | | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | | | // GNU General Public License for more details. |
| 14 | | | // |
| 15 | | | // You should have received a copy of the GNU General Public License |
| 16 | | | // along with this program; if not, write to the Free Software |
| 17 | | | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | | | // |
| 19 | | | // -- |
| 20 | | | // |
| 21 | | | // dl.php |
| 22 | | | // |
| 23 | | | // Create gz/tar files of the requested item |
| 24 | | | |
| 25 | | | require_once("include/setup.php"); |
| 26 | | | require_once("include/svnlook.php"); |
| 27 | | | require_once("include/utils.php"); |
| 28 | | | |
| 29 | 3 | simandl | ini_set('include_path', $locwebsvnreal.'/lib/pear'.$config->pathSeparator.ini_get('include_path')); |
| 30 | | | @include_once("Archive/Tar.php"); |
| 31 | | | |
| 32 | | | function setDirectoryTimestamp($dir, $ts) { |
| 33 | | | global $config; |
| 34 | | | // changing the modification time of a directory under windows is only supported since php 5.3.0 |
| 35 | | | if (!$config->serverIsWindows || version_compare(PHP_VERSION, '5.3.0alpha') !== -1) { |
| 36 | | | touch($dir, $ts); |
| 37 | | | |
| 38 | | | $handle = opendir($dir); |
| 39 | | | if ($handle) { |
| 40 | | | while (($file = readdir($handle)) !== false) { |
| 41 | | | if ($file == '.' || $file == '..') { |
| 42 | | | continue; |
| 43 | | | } |
| 44 | | | $f = $dir.DIRECTORY_SEPARATOR.$file; |
| 45 | | | if (is_dir($f)) { |
| 46 | | | setDirectoryTimestamp($f, $ts); |
| 47 | | | } |
| 48 | | | } |
| 49 | | | closedir($handle); |
| 50 | | | } |
| 51 | | | } |
| 52 | | | } |
| 53 | | | |
| 54 | 1 | simandl | function removeDirectory($dir) { |
| 55 | | | if (is_dir($dir)) { |
| 56 | | | $dir = rtrim($dir, '/'); |
| 57 | | | $handle = dir($dir); |
| 58 | | | while (($file = $handle->read()) !== false) { |
| 59 | | | if ($file == '.' || $file == '..') { |
| 60 | | | continue; |
| 61 | | | } |
| 62 | | | |
| 63 | | | $f = $dir.DIRECTORY_SEPARATOR.$file; |
| 64 | | | if (!is_link($f) && is_dir($f)) { |
| 65 | | | removeDirectory($f); |
| 66 | | | } else { |
| 67 | | | @unlink($f); |
| 68 | | | } |
| 69 | | | } |
| 70 | | | $handle->close(); |
| 71 | | | @rmdir($dir); |
| 72 | | | return true; |
| 73 | | | } |
| 74 | | | return false; |
| 75 | | | } |
| 76 | | | |
| 77 | | | // Make sure that this operation is allowed |
| 78 | | | |
| 79 | | | if (!$rep->isDownloadAllowed($path)) { |
| 80 | 3 | simandl | header('HTTP/1.x 403 Forbidden', true, 403); |
| 81 | | | print 'Unable to download path '.$path."\n"; |
| 82 | 1 | simandl | exit; |
| 83 | | | } |
| 84 | | | |
| 85 | | | $svnrep = new SVNRepository($rep); |
| 86 | | | |
| 87 | | | // Fetch information about latest revision for this path |
| 88 | | | if (empty($rev)) { |
| 89 | | | $history = $svnrep->getLog($path, 'HEAD', '', true, 1); |
| 90 | | | } else { |
| 91 | | | $history = $svnrep->getLog($path, $rev, $rev - 1, true, 1); |
| 92 | | | } |
| 93 | 3 | simandl | if (is_string($history)) { |
| 94 | | | echo $history; |
| 95 | | | exit; |
| 96 | | | } |
| 97 | 1 | simandl | $logEntry = $history->entries[0]; |
| 98 | | | |
| 99 | | | if (empty($rev)) { |
| 100 | | | $rev = $logEntry->rev; |
| 101 | | | } |
| 102 | | | |
| 103 | | | // Create a temporary directory. Here we have an unavoidable but highly |
| 104 | | | // unlikely to occure race condition |
| 105 | | | |
| 106 | | | $tmpname = tempnam($config->getTarballTmpDir(), 'wsvn'); |
| 107 | | | @unlink($tmpname); |
| 108 | | | |
| 109 | | | if (mkdir($tmpname)) { |
| 110 | | | // Get the name of the directory being archived |
| 111 | | | $arcname = $path; |
| 112 | 3 | simandl | $isDir = (substr($arcname, -1) == '/'); |
| 113 | | | if ($isDir) { |
| 114 | 1 | simandl | $arcname = substr($arcname, 0, -1); |
| 115 | | | } |
| 116 | | | $arcname = basename($arcname); |
| 117 | | | if ($arcname == '') { |
| 118 | | | $arcname = $rep->name; |
| 119 | | | } |
| 120 | | | |
| 121 | 3 | simandl | $plainfilename = $arcname; |
| 122 | 1 | simandl | $arcname = $arcname.'.r'.$rev; |
| 123 | | | |
| 124 | | | $svnrep->exportDirectory($path, $tmpname.DIRECTORY_SEPARATOR.$arcname, $rev); |
| 125 | | | |
| 126 | 3 | simandl | // Set datetime of exported directory (and subdirectories) to datetime of revision so that every archive is equal |
| 127 | | | $date = $logEntry->date; |
| 128 | | | $ts = mktime(substr($date, 11, 2), substr($date, 14, 2), substr($date, 17, 2), substr($date, 5, 2), substr($date, 8, 2), substr($date, 0, 4)); |
| 129 | | | setDirectoryTimestamp($tmpname.DIRECTORY_SEPARATOR.$arcname, $ts); |
| 130 | | | |
| 131 | 1 | simandl | // change to temp directory so that only relative paths are stored in tar |
| 132 | | | chdir($tmpname); |
| 133 | | | |
| 134 | 3 | simandl | if ($isDir) { |
| 135 | | | $dlmode = $config->getDefaultFolderDlMode(); |
| 136 | | | } else { |
| 137 | | | $dlmode = $config->getDefaultFileDlMode(); |
| 138 | | | } |
| 139 | 1 | simandl | |
| 140 | 3 | simandl | // $_REQUEST parameter can override dlmode |
| 141 | | | if (!empty($_REQUEST['dlmode'])) { |
| 142 | | | $dlmode = $_REQUEST['dlmode']; |
| 143 | | | if (substr($logEntry->path, -1) == '/') { |
| 144 | | | if (!in_array($dlmode, $config->validFolderDlModes)) { |
| 145 | | | $dlmode = $config->getDefaultFolderDlMode(); |
| 146 | | | } |
| 147 | | | } else { |
| 148 | | | if (!in_array($dlmode, $config->validFileDlModes)) { |
| 149 | | | $dlmode = $config->getDefaultFileDlMode(); |
| 150 | | | } |
| 151 | | | } |
| 152 | | | } |
| 153 | 1 | simandl | |
| 154 | 3 | simandl | if ($dlmode == 'plain') { |
| 155 | | | $dlarc = $arcname; |
| 156 | | | $dlmime = 'application/octetstream'; |
| 157 | 1 | simandl | |
| 158 | 3 | simandl | } else if ($dlmode == 'zip') { |
| 159 | | | $dlarc = $arcname.'.zip'; |
| 160 | | | $dlmime = 'application/x-zip'; |
| 161 | | | // Create zip file |
| 162 | | | $cmd = $config->zip.' -r '.quote($dlarc).' '.quote($arcname); |
| 163 | | | execCommand($cmd, $retcode); |
| 164 | | | if ($retcode != 0) { |
| 165 | | | print'Unable to call zip command "'.$config->zip.'"'; |
| 166 | | | } |
| 167 | 1 | simandl | |
| 168 | 3 | simandl | } else { |
| 169 | | | $tararc = $arcname.'.tar'; |
| 170 | | | $dlarc = $arcname.'.tar.gz'; |
| 171 | | | $dlmime = 'application/x-gzip'; |
| 172 | | | |
| 173 | | | // Create the tar file |
| 174 | | | $retcode = 0; |
| 175 | | | if (class_exists('Archive_Tar')) { |
| 176 | | | $tar = new Archive_Tar($tararc); |
| 177 | | | $created = $tar->create($arcname); |
| 178 | | | if (!$created) { |
| 179 | | | $retcode = 1; |
| 180 | | | print'Unable to create tar archive'; |
| 181 | | | } |
| 182 | | | |
| 183 | | | } else { |
| 184 | | | $cmd = $config->tar.' -cf '.quote($tararc).' '.quote($arcname); |
| 185 | | | execCommand($cmd, $retcode); |
| 186 | | | if ($retcode != 0) { |
| 187 | | | print'Unable to call tar command "'.$config->tar.'"'; |
| 188 | | | } |
| 189 | | | } |
| 190 | | | if ($retcode != 0) { |
| 191 | | | chdir('..'); |
| 192 | | | removeDirectory($tmpname); |
| 193 | | | exit(0); |
| 194 | | | } |
| 195 | | | |
| 196 | | | // Set datetime of tar file to datetime of revision |
| 197 | | | touch($tararc, $ts); |
| 198 | | | |
| 199 | | | // GZIP it up |
| 200 | | | if (function_exists('gzopen')) { |
| 201 | | | $srcHandle = fopen($tmpname.DIRECTORY_SEPARATOR.$tararc, 'rb'); |
| 202 | | | $dstHandle = gzopen($tmpname.DIRECTORY_SEPARATOR.$dlarc, 'wb'); |
| 203 | | | if (!$srcHandle || !$dstHandle) { |
| 204 | | | print'Unable to open file for gz-compression'; |
| 205 | | | chdir('..'); |
| 206 | | | removeDirectory($tmpname); |
| 207 | | | exit(0); |
| 208 | | | } |
| 209 | | | while (!feof($srcHandle)) { |
| 210 | | | gzwrite($dstHandle, fread($srcHandle, 1024 * 512)); |
| 211 | | | } |
| 212 | | | fclose($srcHandle); |
| 213 | | | gzclose($dstHandle); |
| 214 | | | |
| 215 | | | } else { |
| 216 | | | $cmd = $config->gzip.' '.quote($tararc); |
| 217 | | | $retcode = 0; |
| 218 | | | execCommand($cmd, $retcode); |
| 219 | | | if ($retcode != 0) { |
| 220 | | | print'Unable to call gzip command "'.$config->gzip.'"'; |
| 221 | | | chdir('..'); |
| 222 | | | removeDirectory($tmpname); |
| 223 | | | exit(0); |
| 224 | | | } |
| 225 | | | } |
| 226 | | | } |
| 227 | | | |
| 228 | 1 | simandl | // Give the file to the browser |
| 229 | 3 | simandl | if (is_readable($dlarc)) { |
| 230 | | | $size = filesize($dlarc); |
| 231 | 1 | simandl | |
| 232 | 3 | simandl | if ($dlmode == 'plain') { |
| 233 | | | $dlfilename = $plainfilename; |
| 234 | | | } else { |
| 235 | | | $dlfilename = $rep->name.'-'.$dlarc; |
| 236 | | | } |
| 237 | | | |
| 238 | | | header('Content-Type: '.$dlmime); |
| 239 | 1 | simandl | header('Content-Length: '.$size); |
| 240 | 3 | simandl | header('Content-Disposition: attachment; filename="'. $dlfilename .'"'); |
| 241 | 1 | simandl | |
| 242 | 3 | simandl | readfile($dlarc); |
| 243 | | | |
| 244 | 1 | simandl | } else { |
| 245 | 3 | simandl | header('HTTP/1.x 404 Not Found', true, 404); |
| 246 | | | |
| 247 | | | print 'Unable to open file '.$dlarc."\n"; |
| 248 | 1 | simandl | } |
| 249 | | | |
| 250 | | | chdir('..'); |
| 251 | | | |
| 252 | | | removeDirectory($tmpname); |
| 253 | | | } |
