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| 1 | <?php |
| 2 | /** |
| 3 | * Generate fancy captchas using a python script and copy them into storage. |
| 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 along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @author Aaron Schulz |
| 22 | * @ingroup Maintenance |
| 23 | */ |
| 24 | if ( getenv( 'MW_INSTALL_PATH' ) ) { |
| 25 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 26 | } else { |
| 27 | $IP = __DIR__ . '/../../..'; |
| 28 | } |
| 29 | |
| 30 | require_once "$IP/maintenance/Maintenance.php"; |
| 31 | |
| 32 | use MediaWiki\Extension\ConfirmEdit\FancyCaptcha\FancyCaptcha; |
| 33 | use MediaWiki\Extension\ConfirmEdit\Hooks; |
| 34 | use MediaWiki\Shell\Shell; |
| 35 | use MediaWiki\Status\Status; |
| 36 | |
| 37 | /** |
| 38 | * Maintenance script to generate fancy captchas using a python script and copy them into storage. |
| 39 | * |
| 40 | * @ingroup Maintenance |
| 41 | */ |
| 42 | class GenerateFancyCaptchas extends Maintenance { |
| 43 | public function __construct() { |
| 44 | parent::__construct(); |
| 45 | |
| 46 | // See captcha.py for argument usage |
| 47 | $this->addOption( "wordlist", 'A list of words', true, true ); |
| 48 | $this->addOption( "font", "The font to use", true, true ); |
| 49 | $this->addOption( "font-size", "The font size ", false, true ); |
| 50 | $this->addOption( "badwordlist", "A list of words that should not be used", false, true ); |
| 51 | $this->addOption( "fill", "Fill the captcha container to N files", true, true ); |
| 52 | $this->addOption( |
| 53 | "verbose", |
| 54 | "Show debugging information when running the captcha python script" |
| 55 | ); |
| 56 | $this->addOption( |
| 57 | "oldcaptcha", |
| 58 | "DEPRECATED: Whether to use captcha-old.py which doesn't have OCR fighting improvements" |
| 59 | ); |
| 60 | $this->addOption( "delete", "Deletes all the old captchas" ); |
| 61 | $this->addOption( "threads", "The number of threads to use to generate the images", |
| 62 | false, true ); |
| 63 | $this->addOption( |
| 64 | 'captchastoragedir', |
| 65 | 'Overrides the value of $wgCaptchaStorageDirectory', |
| 66 | false, |
| 67 | true |
| 68 | ); |
| 69 | $this->addDescription( "Generate new fancy captchas and move them into storage" ); |
| 70 | |
| 71 | $this->requireExtension( "FancyCaptcha" ); |
| 72 | } |
| 73 | |
| 74 | public function execute() { |
| 75 | global $wgCaptchaSecret, $wgCaptchaDirectoryLevels; |
| 76 | |
| 77 | $totalTime = -microtime( true ); |
| 78 | |
| 79 | $instance = Hooks::getInstance(); |
| 80 | if ( !( $instance instanceof FancyCaptcha ) ) { |
| 81 | $this->fatalError( "\$wgCaptchaClass is not FancyCaptcha.\n", 1 ); |
| 82 | } |
| 83 | |
| 84 | // Overrides $wgCaptchaStorageDirectory for this script run |
| 85 | if ( $this->hasOption( 'captchastoragedir' ) ) { |
| 86 | global $wgCaptchaStorageDirectory; |
| 87 | $wgCaptchaStorageDirectory = $this->getOption( 'captchastoragedir' ); |
| 88 | } |
| 89 | |
| 90 | $backend = $instance->getBackend(); |
| 91 | |
| 92 | $deleteOldCaptchas = $this->getOption( 'delete' ); |
| 93 | |
| 94 | $countGen = (int)$this->getOption( 'fill' ); |
| 95 | if ( !$deleteOldCaptchas ) { |
| 96 | $countAct = $instance->getCaptchaCount(); |
| 97 | $this->output( "Current number of captchas is $countAct.\n" ); |
| 98 | $countGen -= $countAct; |
| 99 | } |
| 100 | |
| 101 | if ( $countGen <= 0 ) { |
| 102 | $this->output( "No need to generate any extra captchas.\n" ); |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | $tmpDir = wfTempDir() . '/mw-fancycaptcha-' . time() . '-' . wfRandomString( 6 ); |
| 107 | if ( !wfMkdirParents( $tmpDir ) ) { |
| 108 | $this->fatalError( "Could not create temp directory.\n", 1 ); |
| 109 | } |
| 110 | |
| 111 | $captchaScript = 'captcha.py'; |
| 112 | |
| 113 | if ( $this->hasOption( 'oldcaptcha' ) ) { |
| 114 | $this->output( "Using --oldcaptcha is deprecated, and captcha-old.py will be removed in the future!" ); |
| 115 | $captchaScript = 'captcha-old.py'; |
| 116 | } |
| 117 | |
| 118 | $cmd = [ |
| 119 | "python3", |
| 120 | dirname( __DIR__ ) . '/' . $captchaScript, |
| 121 | "--key", |
| 122 | $wgCaptchaSecret, |
| 123 | "--output", |
| 124 | $tmpDir, |
| 125 | "--count", |
| 126 | (string)$countGen, |
| 127 | "--dirs", |
| 128 | $wgCaptchaDirectoryLevels |
| 129 | ]; |
| 130 | foreach ( |
| 131 | [ 'wordlist', 'font', 'font-size', 'badwordlist', 'verbose', 'threads' ] as $par |
| 132 | ) { |
| 133 | if ( $this->hasOption( $par ) ) { |
| 134 | $cmd[] = "--$par"; |
| 135 | $cmd[] = $this->getOption( $par ); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | $this->output( "Generating $countGen new captchas.." ); |
| 140 | $captchaTime = -microtime( true ); |
| 141 | $result = Shell::command( [] ) |
| 142 | ->params( $cmd ) |
| 143 | ->limits( [ 'time' => 0 ] ) |
| 144 | ->disableSandbox() |
| 145 | ->execute(); |
| 146 | if ( $result->getExitCode() !== 0 ) { |
| 147 | $this->output( " Failed.\n" ); |
| 148 | wfRecursiveRemoveDir( $tmpDir ); |
| 149 | |
| 150 | $this->fatalError( |
| 151 | "An error occurred when running $captchaScript:\n{$result->getStderr()}\n", |
| 152 | 1 |
| 153 | ); |
| 154 | } |
| 155 | |
| 156 | $captchaTime += microtime( true ); |
| 157 | $this->output( " Done.\n" ); |
| 158 | |
| 159 | $this->output( |
| 160 | sprintf( |
| 161 | "\nGenerated %d captchas in %.1f seconds\n", |
| 162 | $countGen, |
| 163 | $captchaTime |
| 164 | ) |
| 165 | ); |
| 166 | |
| 167 | $filesToDelete = []; |
| 168 | if ( $deleteOldCaptchas ) { |
| 169 | $this->output( "Getting a list of old captchas to delete..." ); |
| 170 | $path = $backend->getRootStoragePath() . '/' . $instance->getStorageDir(); |
| 171 | foreach ( $backend->getFileList( [ 'dir' => $path ] ) as $file ) { |
| 172 | $filesToDelete[] = [ |
| 173 | 'op' => 'delete', |
| 174 | 'src' => $path . '/' . $file, |
| 175 | ]; |
| 176 | } |
| 177 | $this->output( " Done.\n" ); |
| 178 | } |
| 179 | |
| 180 | $this->output( "Copying the new captchas to storage..." ); |
| 181 | |
| 182 | $storeTime = -microtime( true ); |
| 183 | $iter = new RecursiveIteratorIterator( |
| 184 | new RecursiveDirectoryIterator( |
| 185 | $tmpDir, |
| 186 | FilesystemIterator::SKIP_DOTS |
| 187 | ), |
| 188 | RecursiveIteratorIterator::LEAVES_ONLY |
| 189 | ); |
| 190 | |
| 191 | $captchasGenerated = iterator_count( $iter ); |
| 192 | $filesToStore = []; |
| 193 | /** |
| 194 | * @var $fileInfo SplFileInfo |
| 195 | */ |
| 196 | foreach ( $iter as $fileInfo ) { |
| 197 | if ( !$fileInfo->isFile() ) { |
| 198 | continue; |
| 199 | } |
| 200 | [ $salt, $hash ] = $instance->hashFromImageName( $fileInfo->getBasename() ); |
| 201 | $dest = $instance->imagePath( $salt, $hash ); |
| 202 | $backend->prepare( [ 'dir' => dirname( $dest ) ] ); |
| 203 | $filesToStore[] = [ |
| 204 | 'op' => 'store', |
| 205 | 'src' => $fileInfo->getPathname(), |
| 206 | 'dst' => $dest, |
| 207 | ]; |
| 208 | } |
| 209 | |
| 210 | $ret = $backend->doQuickOperations( $filesToStore ); |
| 211 | |
| 212 | $storeTime += microtime( true ); |
| 213 | |
| 214 | $storeSucceeded = true; |
| 215 | if ( $ret->isOK() ) { |
| 216 | $this->output( " Done.\n" ); |
| 217 | $this->output( |
| 218 | sprintf( |
| 219 | "\nCopied %d captchas to storage in %.1f seconds\n", |
| 220 | $ret->successCount, |
| 221 | $storeTime |
| 222 | ) |
| 223 | ); |
| 224 | if ( !$ret->isGood() ) { |
| 225 | $this->output( |
| 226 | "Non fatal errors:\n" . |
| 227 | Status::wrap( $ret )->getWikiText( false, false, 'en' ) . |
| 228 | "\n" |
| 229 | ); |
| 230 | } |
| 231 | if ( $ret->failCount ) { |
| 232 | $storeSucceeded = false; |
| 233 | $this->error( sprintf( "\nFailed to copy %d captchas\n", $ret->failCount ) ); |
| 234 | } |
| 235 | if ( $ret->successCount + $ret->failCount !== $captchasGenerated ) { |
| 236 | $storeSucceeded = false; |
| 237 | $this->error( |
| 238 | sprintf( "Internal error: captchasGenerated: %d, successCount: %d, failCount: %d\n", |
| 239 | $captchasGenerated, $ret->successCount, $ret->failCount |
| 240 | ) |
| 241 | ); |
| 242 | } |
| 243 | } else { |
| 244 | $storeSucceeded = false; |
| 245 | $this->output( "Errored.\n" ); |
| 246 | $this->error( |
| 247 | Status::wrap( $ret )->getWikiText( false, false, 'en' ) . |
| 248 | "\n" |
| 249 | ); |
| 250 | } |
| 251 | |
| 252 | if ( $storeSucceeded && $deleteOldCaptchas ) { |
| 253 | $numOriginalFiles = count( $filesToDelete ); |
| 254 | $this->output( "Deleting {$numOriginalFiles} old captchas...\n" ); |
| 255 | $deleteTime = -microtime( true ); |
| 256 | $ret = $backend->doQuickOperations( $filesToDelete ); |
| 257 | |
| 258 | $deleteTime += microtime( true ); |
| 259 | if ( $ret->isOK() ) { |
| 260 | $this->output( "Done.\n" ); |
| 261 | $this->output( |
| 262 | sprintf( |
| 263 | "\nDeleted %d old captchas in %.1f seconds\n", |
| 264 | $numOriginalFiles, |
| 265 | $deleteTime |
| 266 | ) |
| 267 | ); |
| 268 | if ( !$ret->isGood() ) { |
| 269 | $this->output( |
| 270 | "Non fatal errors:\n" . |
| 271 | Status::wrap( $ret )->getWikiText( false, false, 'en' ) . |
| 272 | "\n" |
| 273 | ); |
| 274 | } |
| 275 | } else { |
| 276 | $this->output( "Errored.\n" ); |
| 277 | $this->error( |
| 278 | Status::wrap( $ret )->getWikiText( false, false, 'en' ) . |
| 279 | "\n" |
| 280 | ); |
| 281 | } |
| 282 | |
| 283 | } |
| 284 | $this->output( "Removing temporary files..." ); |
| 285 | wfRecursiveRemoveDir( $tmpDir ); |
| 286 | $this->output( " Done.\n" ); |
| 287 | |
| 288 | $totalTime += microtime( true ); |
| 289 | $this->output( |
| 290 | sprintf( |
| 291 | "\nWhole captchas generation process took %.1f seconds\n", |
| 292 | $totalTime |
| 293 | ) |
| 294 | ); |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | $maintClass = GenerateFancyCaptchas::class; |
| 299 | require_once RUN_MAINTENANCE_IF_MAIN; |