| # | Code | Descriptions |
| 1 | <?php | |
| 2 | /** | |
| 3 | * File contains all the administration image manipulation functions. | |
| 4 | * | |
| 5 | * @package WordPress | |
| 6 | * @subpackage Administration | |
| 7 | */ | |
| 8 | ||
| 9 | /** The descriptions for theme files. */ | |
| 10 | $wp_file_descriptions = array ( | |
| 11 | 'index.php' => __( 'Main Index Template' ), | |
| 12 | 'style.css' => __( 'Stylesheet' ), | |
| 13 | 'editor-style.css' => __( 'Visual Editor Stylesheet' ), | |
| 14 | 'rtl.css' => __( 'RTL Stylesheet' ), | |
| 15 | 'comments.php' => __( 'Comments' ), | |
| 16 | 'comments-popup.php' => __( 'Popup Comments' ), | |
| 17 | 'footer.php' => __( 'Footer' ), | |
| 18 | 'header.php' => __( 'Header' ), | |
| 19 | 'sidebar.php' => __( 'Sidebar' ), | |
| 20 | 'archive.php' => __( 'Archives' ), | |
| 21 | 'author.php' => __( 'Author Template' ), | |
| 22 | 'tag.php' => __( 'Tag Template' ), | |
| 23 | 'category.php' => __( 'Category Template' ), | |
| 24 | 'page.php' => __( 'Page Template' ), | |
| 25 | 'search.php' => __( 'Search Results' ), | |
| 26 | 'searchform.php' => __( 'Search Form' ), | |
| 27 | 'single.php' => __( 'Single Post' ), | |
| 28 | '404.php' => __( '404 Template' ), | |
| 29 | 'link.php' => __( 'Links Template' ), | |
| 30 | 'functions.php' => __( 'Theme Functions' ), | |
| 31 | 'attachment.php' => __( 'Attachment Template' ), | |
| 32 | 'image.php' => __('Image Attachment Template'), | |
| 33 | 'video.php' => __('Video Attachment Template'), | |
| 34 | 'audio.php' => __('Audio Attachment Template'), | |
| 35 | 'application.php' => __('Application Attachment Template'), | |
| 36 | 'my-hacks.php' => __( 'my-hacks.php (legacy hacks support)' ), | |
| 37 | '.htaccess' => __( '.htaccess (for rewrite rules )' ), | |
| 38 | // Deprecated files | |
| 39 | 'wp-layout.css' => __( 'Stylesheet' ), 'wp-comments.php' => __( 'Comments Template' ), 'wp-comments-popup.php' => __( 'Popup Comments Template' )); | |
| 40 | ||
| 41 | /** | |
| 42 | * {@internal Missing Short Description}} | |
| 43 | * | |
| 44 | * @since unknown | |
| 45 | * | |
| 46 | * @param unknown_type $file | |
| 47 | * @return unknown | |
| 48 | */ | |
| 49 | function get_file_description( $file ) { | |
| 50 | global $wp_file_descriptions; | |
| 51 | ||
| 52 | if ( isset( $wp_file_descriptions[basename( $file )] ) ) { | |
| 53 | return $wp_file_descriptions[basename( $file )]; | |
| 54 | } | |
| 55 | elseif ( file_exists( $file ) && is_file( $file ) ) { | |
| 56 | $template_data = implode( '', file( $file ) ); | //Arbitrary file disclosing |
| 57 | if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name )) | |
| 58 | return _cleanup_header_comment($name[1]) . ' Page Template'; | |
| 59 | } | |
| 60 | ||
| 61 | return basename( $file ); | |
| 62 | } | |
| 63 | ||
| 64 | /** | |
| 65 | * {@internal Missing Short Description}} | |
| 66 | * | |
| 67 | * @since unknown | |
| 68 | * | |
| 69 | * @return unknown | |
| 70 | */ | |
| 71 | function get_home_path() { | |
| 72 | $home = get_option( 'home' ); | |
| 73 | $siteurl = get_option( 'siteurl' ); | |
| 74 | if ( $home != '' && $home != $siteurl ) { | |
| 75 | $wp_path_rel_to_home = str_replace($home, '', $siteurl); /* $siteurl - $home */ | |
| 76 | $pos = strpos($_SERVER["SCRIPT_FILENAME"], $wp_path_rel_to_home); | |
| 77 | $home_path = substr($_SERVER["SCRIPT_FILENAME"], 0, $pos); | |
| 78 | $home_path = trailingslashit( $home_path ); | |
| 79 | } else { | |
| 80 | $home_path = ABSPATH; | |
| 81 | } | |
| 82 | ||
| 83 | return $home_path; | |
| 84 | } | |
| 85 | ||
| 86 | /** | |
| 87 | * {@internal Missing Short Description}} | |
| 88 | * | |
| 89 | * @since unknown | |
| 90 | * | |
| 91 | * @param unknown_type $file | |
| 92 | * @return unknown | |
| 93 | */ | |
| 94 | function get_real_file_to_edit( $file ) { | |
| 95 | if ('index.php' == $file || '.htaccess' == $file ) { | |
| 96 | $real_file = get_home_path() . $file; | |
| 97 | } else { | |
| 98 | $real_file = WP_CONTENT_DIR . $file; | |
| 99 | } | |
| 100 | ||
| 101 | return $real_file; | |
| 102 | } | |
| 103 | ||
| 104 | /** | |
| 105 | * Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep. | |
| 106 | * The depth of the recursiveness can be controlled by the $levels param. | |
| 107 | * | |
| 108 | * @since 2.6.0 | |
| 109 | * | |
| 110 | * @param string $folder Full path to folder | |
| 111 | * @param int $levels (optional) Levels of folders to follow, Default: 100 (PHP Loop limit). | |
| 112 | * @return bool|array False on failure, Else array of files | |
| 113 | */ | |
| 114 | function list_files( $folder = '', $levels = 100 ) { | |
| 115 | if ( empty($folder) ) | |
| 116 | return false; | |
| 117 | ||
| 118 | if ( ! $levels ) | |
| 119 | return false; | |
| 120 | ||
| 121 | $files = array(); | |
| 122 | if ( $dir = @opendir( $folder ) ) { | |
| 123 | while (($file = readdir( $dir ) ) !== false ) { | |
| 124 | if ( in_array($file, array('.', '..') ) ) | |
| 125 | continue; | |
| 126 | if ( is_dir( $folder . '/' . $file ) ) { | |
| 127 | $files2 = list_files( $folder . '/' . $file, $levels - 1); | //Arbitrary file disclosing |
| 128 | if ( $files2 ) | |
| 129 | $files = array_merge($files, $files2 ); | |
| 130 | else | |
| 131 | $files[] = $folder . '/' . $file . '/'; | |
| 132 | } else { | |
| 133 | $files[] = $folder . '/' . $file; | |
| 134 | } | |
| 135 | } | |
| 136 | } | |
| 137 | @closedir( $dir ); | |
| 138 | return $files; | |
| 139 | } | |
| 140 | ||
| 141 | /** | |
| 142 | * Determines a writable directory for temporary files. | |
| 143 | * Function's preference is to WP_CONTENT_DIR followed by the return value of <code>sys_get_temp_dir()</code>, before finally defaulting to /tmp/ | |
| 144 | * | |
| 145 | * In the event that this function does not find a writable location, It may be overridden by the <code>WP_TEMP_DIR</code> constant in your <code>wp-config.php</code> file. | |
| 146 | * | |
| 147 | * @since 2.5.0 | |
| 148 | * | |
| 149 | * @return string Writable temporary directory | |
| 150 | */ | |
| 151 | function get_temp_dir() { | |
| 152 | static $temp; | |
| 153 | if ( defined('WP_TEMP_DIR') ) | |
| 154 | return trailingslashit(WP_TEMP_DIR); | |
| 155 | ||
| 156 | if ( $temp ) | |
| 157 | return trailingslashit($temp); | |
| 158 | ||
| 159 | $temp = WP_CONTENT_DIR . '/'; | |
| 160 | if ( is_dir($temp) && @is_writable($temp) ) | |
| 161 | return $temp; | |
| 162 | ||
| 163 | if ( function_exists('sys_get_temp_dir') ) { | |
| 164 | $temp = sys_get_temp_dir(); | |
| 165 | if ( @is_writable($temp) ) | |
| 166 | return trailingslashit($temp); | |
| 167 | } | |
| 168 | ||
| 169 | $temp = ini_get('upload_tmp_dir'); | |
| 170 | if ( is_dir($temp) && @is_writable($temp) ) | |
| 171 | return trailingslashit($temp); | |
| 172 | ||
| 173 | $temp = '/tmp/'; | |
| 174 | return $temp; | |
| 175 | } | |
| 176 | ||
| 177 | /** | |
| 178 | * Returns a filename of a Temporary unique file. | |
| 179 | * Please note that the calling function must unlink() this itself. | |
| 180 | * | |
| 181 | * The filename is based off the passed parameter or defaults to the current unix timestamp, | |
| 182 | * while the directory can either be passed as well, or by leaving it blank, default to a writable temporary directory. | |
| 183 | * | |
| 184 | * @since 2.6.0 | |
| 185 | * | |
| 186 | * @param string $filename (optional) Filename to base the Unique file off | |
| 187 | * @param string $dir (optional) Directory to store the file in | |
| 188 | * @return string a writable filename | |
| 189 | */ | |
| 190 | function wp_tempnam($filename = '', $dir = '') { | |
| 191 | if ( empty($dir) ) | |
| 192 | $dir = get_temp_dir(); | |
| 193 | $filename = basename($filename); | |
| 194 | if ( empty($filename) ) | |
| 195 | $filename = time(); | |
| 196 | ||
| 197 | $filename = preg_replace('|\..*$|', '.tmp', $filename); | |
| 198 | $filename = $dir . wp_unique_filename($dir, $filename); | |
| 199 | touch($filename); | //Arbitrary file manipulations |
| 200 | return $filename; | |
| 201 | } | |
| 202 | ||
| 203 | /** | |
| 204 | * {@internal Missing Short Description}} | |
| 205 | * | |
| 206 | * @since unknown | |
| 207 | * | |
| 208 | * @param unknown_type $file | |
| 209 | * @param unknown_type $allowed_files | |
| 210 | * @return unknown | |
| 211 | */ | |
| 212 | function validate_file_to_edit( $file, $allowed_files = '' ) { | |
| 213 | $code = validate_file( $file, $allowed_files ); | //Arbitrary file disclosing |
| 214 | ||
| 215 | if (!$code ) | |
| 216 | return $file; | |
| 217 | ||
| 218 | switch ( $code ) { | |
| 219 | case 1 : | |
| 220 | wp_die( __('Sorry, can’t edit files with “..” in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.' )); | |
| 221 | ||
| 222 | //case 2 : | |
| 223 | // wp_die( __('Sorry, can’t call files with their real path.' )); | |
| 224 | ||
| 225 | case 3 : | |
| 226 | wp_die( __('Sorry, that file cannot be edited.' )); | |
| 227 | } | |
| 228 | } | |
| 229 | ||
| 230 | /** | |
| 231 | * {@internal Missing Short Description}} | |
| 232 | * | |
| 233 | * @since unknown | |
| 234 | * | |
| 235 | * @param array $file Reference to a single element of $_FILES. Call the function once for each uploaded file. | |
| 236 | * @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ). | |
| 237 | * @return array On success, returns an associative array of file attributes. On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ). | |
| 238 | */ | |
| 239 | function wp_handle_upload( &$file, $overrides = false, $time = null ) { | |
| 240 | // The default error handler. | |
| 241 | if ( ! function_exists( 'wp_handle_upload_error' ) ) { | |
| 242 | function wp_handle_upload_error( &$file, $message ) { | |
| 243 | return array( 'error'=>$message ); | |
| 244 | } | |
| 245 | } | |
| 246 | ||
| 247 | $file = apply_filters( 'wp_handle_upload_prefilter', $file ); | |
| 248 | ||
| 249 | // You may define your own function and pass the name in $overrides['upload_error_handler'] | |
| 250 | $upload_error_handler = 'wp_handle_upload_error'; | |
| 251 | ||
| 252 | // You may have had one or more 'wp_handle_upload_prefilter' functions error out the file. Handle that gracefully. | |
| 253 | if ( isset( $file['error'] ) && !is_numeric( $file['error'] ) && $file['error'] ) | |
| 254 | return $upload_error_handler( $file, $file['error'] ); | //Arbitrary file disclosing |
| 255 | ||
| 256 | // You may define your own function and pass the name in $overrides['unique_filename_callback'] | |
| 257 | $unique_filename_callback = null; | |
| 258 | ||
| 259 | // $_POST['action'] must be set and its value must equal $overrides['action'] or this: | |
| 260 | $action = 'wp_handle_upload'; | |
| 261 | ||
| 262 | // Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error']. | |
| 263 | $upload_error_strings = array( false, | |
| 264 | __( "The uploaded file exceeds the <code>upload_max_filesize</code> directive in <code>php.ini</code>." ), | |
| 265 | __( "The uploaded file exceeds the <em>MAX_FILE_SIZE</em> directive that was specified in the HTML form." ), | |
| 266 | __( "The uploaded file was only partially uploaded." ), | |
| 267 | __( "No file was uploaded." ), | |
| 268 | '', | |
| 269 | __( "Missing a temporary folder." ), | |
| 270 | __( "Failed to write file to disk." ), | |
| 271 | __( "File upload stopped by extension." )); | |
| 272 | ||
| 273 | // All tests are on by default. Most can be turned off by $override[{test_name}] = false; | |
| 274 | $test_form = true; | |
| 275 | $test_size = true; | |
| 276 | $test_upload = true; | |
| 277 | ||
| 278 | // If you override this, you must provide $ext and $type!!!! | |
| 279 | $test_type = true; | |
| 280 | $mimes = false; | |
| 281 | ||
| 282 | // Install user overrides. Did we mention that this voids your warranty? | |
| 283 | if ( is_array( $overrides ) ) | |
| 284 | extract( $overrides, EXTR_OVERWRITE ); | //Possible Control Flow |
| 285 | ||
| 286 | // A correct form post will pass this test. | |
| 287 | if ( $test_form && (!isset( $_POST['action'] ) || ($_POST['action'] != $action ) ) ) | |
| 288 | return call_user_func($upload_error_handler, $file, __( 'Invalid form submission.' )); | |
| 289 | ||
| 290 | // A successful upload will pass this test. It makes no sense to override this one. | |
| 291 | if ( $file['error'] > 0 ) | |
| 292 | return call_user_func($upload_error_handler, $file, $upload_error_strings[$file['error']] ); | //Arbitrary file disclosing |
| 293 | ||
| 294 | // A non-empty file will pass this test. | |
| 295 | if ( $test_size && !($file['size'] > 0 ) ) { | |
| 296 | if ( is_multisite() ) | |
| 297 | $error_msg = __( 'File is empty. Please upload something more substantial.' ); | |
| 298 | else | |
| 299 | $error_msg = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' ); | |
| 300 | return call_user_func($upload_error_handler, $file, $error_msg); | //Arbitrary file disclosing |
| 301 | } | |
| 302 | ||
| 303 | // A properly uploaded file will pass this test. There should be no reason to override this one. | |
| 304 | if ( $test_upload && ! @ is_uploaded_file( $file['tmp_name'] ) ) | |
| 305 | return call_user_func($upload_error_handler, $file, __( 'Specified file failed upload test.' )); | |
| 306 | ||
| 307 | // A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter. | |
| 308 | if ( $test_type ) { | |
| 309 | $wp_filetype = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes ); | |
| 310 | ||
| 311 | extract( $wp_filetype ); | //Possible Control Flow |
| 312 | ||
| 313 | // Check to see if wp_check_filetype_and_ext() determined the filename was incorrect | |
| 314 | if ( $proper_filename ) | |
| 315 | $file['name'] = $proper_filename; | |
| 316 | ||
| 317 | if ( ( !$type || !$ext ) && !current_user_can( 'unfiltered_upload' ) ) | |
| 318 | return call_user_func($upload_error_handler, $file, __( 'File type does not meet security guidelines. Try another.' )); | |
| 319 | ||
| 320 | if ( !$ext ) | |
| 321 | $ext = ltrim(strrchr($file['name'], '.'), '.'); | |
| 322 | ||
| 323 | if ( !$type ) | |
| 324 | $type = $file['type']; | |
| 325 | } else { | |
| 326 | $type = ''; | |
| 327 | } | |
| 328 | ||
| 329 | // A writable uploads dir will pass this test. Again, there's no point overriding this one. | |
| 330 | if ( ! ( ( $uploads = wp_upload_dir($time) ) && false === $uploads['error'] ) ) | |
| 331 | return call_user_func($upload_error_handler, $file, $uploads['error'] ); | //Arbitrary file disclosing |
| 332 | ||
| 333 | $filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback ); | |
| 334 | ||
| 335 | // Move the file to the uploads dir | |
| 336 | $new_file = $uploads['path'] . "/$filename"; | //Arbitrary file disclosing |
| 337 | if ( false === @ move_uploaded_file( $file['tmp_name'], $new_file ) ) | |
| 338 | return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ) ); | |
| 339 | ||
| 340 | // Set correct file permissions | |
| 341 | $stat = stat( dirname( $new_file )); | |
| 342 | $perms = $stat['mode'] & 0000666; | |
| 343 | @ chmod( $new_file, $perms ); | //Arbitrary file disclosing //Arbitrary file manipulations |
| 344 | ||
| 345 | // Compute the URL | |
| 346 | $url = $uploads['url'] . "/$filename"; | |
| 347 | ||
| 348 | if ( is_multisite() ) | |
| 349 | delete_transient( 'dirsize_cache' ); | |
| 350 | ||
| 351 | return apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ), 'upload' ); | //Arbitrary file disclosing |
| 352 | } | |
| 353 | ||
| 354 | /** | |
| 355 | * {@internal Missing Short Description}} | |
| 356 | * | |
| 357 | * Pass this function an array similar to that of a $_FILES POST array. | |
| 358 | * | |
| 359 | * @since unknown | |
| 360 | * | |
| 361 | * @param unknown_type $file | |
| 362 | * @param unknown_type $overrides | |
| 363 | * @return unknown | |
| 364 | */ | |
| 365 | function wp_handle_sideload( &$file, $overrides = false ) { | |
| 366 | // The default error handler. | |
| 367 | if (! function_exists( 'wp_handle_upload_error' ) ) { | |
| 368 | function wp_handle_upload_error( &$file, $message ) { | |
| 369 | return array( 'error'=>$message ); | |
| 370 | } | |
| 371 | } | |
| 372 | ||
| 373 | // You may define your own function and pass the name in $overrides['upload_error_handler'] | |
| 374 | $upload_error_handler = 'wp_handle_upload_error'; | |
| 375 | ||
| 376 | // You may define your own function and pass the name in $overrides['unique_filename_callback'] | |
| 377 | $unique_filename_callback = null; | |
| 378 | ||
| 379 | // $_POST['action'] must be set and its value must equal $overrides['action'] or this: | |
| 380 | $action = 'wp_handle_sideload'; | |
| 381 | ||
| 382 | // Courtesy of php.net, the strings that describe the error indicated in $_FILES[{form field}]['error']. | |
| 383 | $upload_error_strings = array( false, | |
| 384 | __( "The uploaded file exceeds the <code>upload_max_filesize</code> directive in <code>php.ini</code>." ), | |
| 385 | __( "The uploaded file exceeds the <em>MAX_FILE_SIZE</em> directive that was specified in the HTML form." ), | |
| 386 | __( "The uploaded file was only partially uploaded." ), | |
| 387 | __( "No file was uploaded." ), | |
| 388 | '', | |
| 389 | __( "Missing a temporary folder." ), | |
| 390 | __( "Failed to write file to disk." ), | |
| 391 | __( "File upload stopped by extension." )); | |
| 392 | ||
| 393 | // All tests are on by default. Most can be turned off by $override[{test_name}] = false; | |
| 394 | $test_form = true; | |
| 395 | $test_size = true; | |
| 396 | ||
| 397 | // If you override this, you must provide $ext and $type!!!! | |
| 398 | $test_type = true; | |
| 399 | $mimes = false; | |
| 400 | ||
| 401 | // Install user overrides. Did we mention that this voids your warranty? | |
| 402 | if ( is_array( $overrides ) ) | |
| 403 | extract( $overrides, EXTR_OVERWRITE ); | //Possible Control Flow |
| 404 | ||
| 405 | // A correct form post will pass this test. | |
| 406 | if ( $test_form && (!isset( $_POST['action'] ) || ($_POST['action'] != $action ) ) ) | |
| 407 | return $upload_error_handler( $file, __( 'Invalid form submission.' )); | |
| 408 | ||
| 409 | // A successful upload will pass this test. It makes no sense to override this one. | |
| 410 | if ( ! empty( $file['error'] ) ) | |
| 411 | return $upload_error_handler( $file, $upload_error_strings[$file['error']] ); | //Arbitrary file disclosing |
| 412 | ||
| 413 | // A non-empty file will pass this test. | |
| 414 | if ( $test_size && !(filesize($file['tmp_name']) > 0 ) ) | |
| 415 | return $upload_error_handler( $file, __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini.' )); | |
| 416 | ||
| 417 | // A properly uploaded file will pass this test. There should be no reason to override this one. | |
| 418 | if (! @ is_file( $file['tmp_name'] ) ) | |
| 419 | return $upload_error_handler( $file, __( 'Specified file does not exist.' )); | |
| 420 | ||
| 421 | // A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter. | |
| 422 | if ( $test_type ) { | |
| 423 | $wp_filetype = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes ); | |
| 424 | ||
| 425 | extract( $wp_filetype ); | //Possible Control Flow |
| 426 | ||
| 427 | // Check to see if wp_check_filetype_and_ext() determined the filename was incorrect | |
| 428 | if ( $proper_filename ) | |
| 429 | $file['name'] = $proper_filename; | |
| 430 | ||
| 431 | if ( ( !$type || !$ext ) && !current_user_can( 'unfiltered_upload' ) ) | |
| 432 | return $upload_error_handler( $file, __( 'File type does not meet security guidelines. Try another.' )); | |
| 433 | ||
| 434 | if ( !$ext ) | |
| 435 | $ext = ltrim(strrchr($file['name'], '.'), '.'); | |
| 436 | ||
| 437 | if ( !$type ) | |
| 438 | $type = $file['type']; | |
| 439 | } | |
| 440 | ||
| 441 | // A writable uploads dir will pass this test. Again, there's no point overriding this one. | |
| 442 | if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) ) | |
| 443 | return $upload_error_handler( $file, $uploads['error'] ); | //Arbitrary file disclosing |
| 444 | ||
| 445 | $filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback ); | |
| 446 | ||
| 447 | // Strip the query strings. | |
| 448 | $filename = str_replace('?','-', $filename); | |
| 449 | $filename = str_replace('&','-', $filename); | |
| 450 | ||
| 451 | // Move the file to the uploads dir | |
| 452 | $new_file = $uploads['path'] . "/$filename"; | //Arbitrary file disclosing |
| 453 | if ( false === @ rename( $file['tmp_name'], $new_file ) ) { | |
| 454 | return $upload_error_handler( $file, sprintf( __('The uploaded file could not be moved to %s.' ), $uploads['path'] ) ); | |
| 455 | } | |
| 456 | ||
| 457 | // Set correct file permissions | |
| 458 | $stat = stat( dirname( $new_file )); | |
| 459 | $perms = $stat['mode'] & 0000666; | |
| 460 | @ chmod( $new_file, $perms ); | //Arbitrary file disclosing //Arbitrary file manipulations |
| 461 | ||
| 462 | // Compute the URL | |
| 463 | $url = $uploads['url'] . "/$filename"; | |
| 464 | ||
| 465 | $return = apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $type ), 'sideload' ); | //Arbitrary file disclosing |
| 466 | ||
| 467 | return $return; | |
| 468 | } | |
| 469 | ||
| 470 | /** | |
| 471 | * Downloads a url to a local temporary file using the WordPress HTTP Class. | |
| 472 | * Please note, That the calling function must unlink() the file. | |
| 473 | * | |
| 474 | * @since 2.5.0 | |
| 475 | * | |
| 476 | * @param string $url the URL of the file to download | |
| 477 | * @return mixed WP_Error on failure, string Filename on success. | |
| 478 | */ | |
| 479 | function download_url( $url ) { | |
| 480 | //WARNING: The file is not automatically deleted, The script must unlink() the file. | |
| 481 | if ( ! $url ) | |
| 482 | return new WP_Error('http_no_url', __('Invalid URL Provided.')); | |
| 483 | ||
| 484 | $tmpfname = wp_tempnam($url); | |
| 485 | if ( ! $tmpfname ) | |
| 486 | return new WP_Error('http_no_file', __('Could not create Temporary file.')); | |
| 487 | ||
| 488 | $handle = @fopen($tmpfname, 'wb'); | |
| 489 | if ( ! $handle ) | |
| 490 | return new WP_Error('http_no_file', __('Could not create Temporary file.')); | |
| 491 | ||
| 492 | $response = wp_remote_get($url, array('timeout' => 300)); | |
| 493 | ||
| 494 | if ( is_wp_error($response) ) { | |
| 495 | fclose($handle); | |
| 496 | unlink($tmpfname); | //Arbitrary file manipulations |
| 497 | return $response; | |
| 498 | } | |
| 499 | ||
| 500 | if ( $response['response']['code'] != '200' ){ | |
| 501 | fclose($handle); | |
| 502 | unlink($tmpfname); | //Arbitrary file manipulations |
| 503 | return new WP_Error('http_404', trim($response['response']['message'])); | |
| 504 | } | |
| 505 | ||
| 506 | fwrite($handle, $response['body']); | //Arbitrary file manipulations |
| 507 | fclose($handle); | |
| 508 | ||
| 509 | return $tmpfname; | |
| 510 | } | |
| 511 | ||
| 512 | /** | |
| 513 | * Unzip's a specified ZIP file to a location on the Filesystem via the WordPress Filesystem Abstraction. | |
| 514 | * Assumes that WP_Filesystem() has already been called and set up. Does not extract a root-level __MACOSX directory, if present. | |
| 515 | * | |
| 516 | * Attempts to increase the PHP Memory limit to 256M before uncompressing, | |
| 517 | * However, The most memory required shouldn't be much larger than the Archive itself. | |
| 518 | * | |
| 519 | * @since 2.5.0 | |
| 520 | * | |
| 521 | * @param string $file Full path and filename of zip archive | |
| 522 | * @param string $to Full path on the filesystem to extract archive to | |
| 523 | * @return mixed WP_Error on failure, True on success | |
| 524 | */ | |
| 525 | function unzip_file($file, $to) { | |
| 526 | global $wp_filesystem; | |
| 527 | ||
| 528 | if ( ! $wp_filesystem || !is_object($wp_filesystem) ) | |
| 529 | return new WP_Error('fs_unavailable', __('Could not access filesystem.')); | |
| 530 | ||
| 531 | // Unzip can use a lot of memory, but not this much hopefully | |
| 532 | @ini_set('memory_limit', '256M'); | |
| 533 | ||
| 534 | $needed_dirs = array(); | |
| 535 | $to = trailingslashit($to); | |
| 536 | ||
| 537 | // Determine any parent dir's needed (of the upgrade directory) | |
| 538 | if ( ! $wp_filesystem->is_dir($to) ) { //Only do parents if no children exist | |
| 539 | $path = preg_split('![/\\\]!', untrailingslashit($to)); | |
| 540 | for ( $i = count($path); $i >= 0; $i-- ) { | |
| 541 | if ( empty($path[$i]) ) | |
| 542 | continue; | |
| 543 | ||
| 544 | $dir = implode('/', array_slice($path, 0, $i+1) ); | |
| 545 | if ( preg_match('!^[a-z]:$!i', $dir) ) // Skip it if it looks like a Windows Drive letter. | |
| 546 | continue; | |
| 547 | ||
| 548 | if ( ! $wp_filesystem->is_dir($dir) ) | |
| 549 | $needed_dirs[] = $dir; | |
| 550 | else | |
| 551 | break; // A folder exists, therefor, we dont need the check the levels below this | |
| 552 | } | |
| 553 | } | |
| 554 | ||
| 555 | if ( class_exists('ZipArchive') && apply_filters('unzip_file_use_ziparchive', true ) ) { | |
| 556 | $result = _unzip_file_ziparchive($file, $to, $needed_dirs); | //Arbitrary file disclosing |
| 557 | if ( true === $result ) { | |
| 558 | return $result; | |
| 559 | } elseif ( is_wp_error($result) ) { | |
| 560 | if ( 'incompatible_archive' != $result->get_error_code() ) | |
| 561 | return $result; | |
| 562 | } | |
| 563 | } | |
| 564 | // Fall through to PclZip if ZipArchive is not available, or encountered an error opening the file. | |
| 565 | return _unzip_file_pclzip($file, $to, $needed_dirs); | //Arbitrary file disclosing |
| 566 | } | |
| 567 | ||
| 568 | /** | |
| 569 | * This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the ZipArchive class. | |
| 570 | * Assumes that WP_Filesystem() has already been called and set up. | |
| 571 | * | |
| 572 | * @since 3.0.0 | |
| 573 | * @see unzip_file | |
| 574 | * @access private | |
| 575 | * | |
| 576 | * @param string $file Full path and filename of zip archive | |
| 577 | * @param string $to Full path on the filesystem to extract archive to | |
| 578 | * @param array $needed_dirs A partial list of required folders needed to be created. | |
| 579 | * @return mixed WP_Error on failure, True on success | |
| 580 | */ | |
| 581 | function _unzip_file_ziparchive($file, $to, $needed_dirs = array() ) { | |
| 582 | global $wp_filesystem; | |
| 583 | ||
| 584 | $z = new ZipArchive(); | |
| 585 | ||
| 586 | // PHP4-compat - php4 classes can't contain constants | |
| 587 | $zopen = $z->open($file, /* ZIPARCHIVE::CHECKCONS */ 4); | |
| 588 | if ( true !== $zopen ) | |
| 589 | return new WP_Error('incompatible_archive', __('Incompatible Archive.')); | |
| 590 | ||
| 591 | for ( $i = 0; $i < $z->numFiles; $i++ ) { | |
| 592 | if ( ! $info = $z->statIndex($i) ) | |
| 593 | return new WP_Error('stat_failed', __('Could not retrieve file from archive.')); | |
| 594 | ||
| 595 | if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Skip the OS X-created __MACOSX directory | |
| 596 | continue; | |
| 597 | ||
| 598 | if ( '/' == substr($info['name'], -1) ) // directory | |
| 599 | $needed_dirs[] = $to . untrailingslashit($info['name']); | |
| 600 | else | |
| 601 | $needed_dirs[] = $to . untrailingslashit(dirname($info['name'])); | |
| 602 | } | |
| 603 | ||
| 604 | $needed_dirs = array_unique($needed_dirs); | |
| 605 | foreach ( $needed_dirs as $dir ) { | |
| 606 | // Check the parent folders of the folders all exist within the creation array. | |
| 607 | if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist) | |
| 608 | continue; | |
| 609 | if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it | |
| 610 | continue; | |
| 611 | ||
| 612 | $parent_folder = dirname($dir); | |
| 613 | while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) { | |
| 614 | $needed_dirs[] = $parent_folder; | |
| 615 | $parent_folder = dirname($parent_folder); | |
| 616 | } | |
| 617 | } | |
| 618 | asort($needed_dirs); | |
| 619 | ||
| 620 | // Create those directories if need be: | |
| 621 | foreach ( $needed_dirs as $_dir ) { | |
| 622 | if ( ! $wp_filesystem->mkdir($_dir, FS_CHMOD_DIR) && ! $wp_filesystem->is_dir($_dir) ) // Only check to see if the Dir exists upon creation failure. Less I/O this way. | |
| 623 | return new WP_Error('mkdir_failed', __('Could not create directory.'), $_dir); | |
| 624 | } | |
| 625 | unset($needed_dirs); | |
| 626 | ||
| 627 | for ( $i = 0; $i < $z->numFiles; $i++ ) { | |
| 628 | if ( ! $info = $z->statIndex($i) ) | |
| 629 | return new WP_Error('stat_failed', __('Could not retrieve file from archive.')); | |
| 630 | ||
| 631 | if ( '/' == substr($info['name'], -1) ) // directory | |
| 632 | continue; | |
| 633 | ||
| 634 | if ( '__MACOSX/' === substr($info['name'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files | |
| 635 | continue; | |
| 636 | ||
| 637 | $contents = $z->getFromIndex($i); | |
| 638 | if ( false === $contents ) | |
| 639 | return new WP_Error('extract_failed', __('Could not extract file from archive.'), $info['name']); | |
| 640 | ||
| 641 | if ( ! $wp_filesystem->put_contents( $to . $info['name'], $contents, FS_CHMOD_FILE) ) | |
| 642 | return new WP_Error('copy_failed', __('Could not copy file.'), $to . $info['filename']); | //Arbitrary file disclosing |
| 643 | } | |
| 644 | ||
| 645 | $z->close(); | |
| 646 | ||
| 647 | return true; | |
| 648 | } | |
| 649 | ||
| 650 | /** | |
| 651 | * This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the PclZip library. | |
| 652 | * Assumes that WP_Filesystem() has already been called and set up. | |
| 653 | * | |
| 654 | * @since 3.0.0 | |
| 655 | * @see unzip_file | |
| 656 | * @access private | |
| 657 | * | |
| 658 | * @param string $file Full path and filename of zip archive | |
| 659 | * @param string $to Full path on the filesystem to extract archive to | |
| 660 | * @param array $needed_dirs A partial list of required folders needed to be created. | |
| 661 | * @return mixed WP_Error on failure, True on success | |
| 662 | */ | |
| 663 | function _unzip_file_pclzip($file, $to, $needed_dirs = array()) { | |
| 664 | global $wp_filesystem; | |
| 665 | ||
| 666 | require_once(ABSPATH . 'wp-admin/includes/class-pclzip.php'); | |
| 667 | ||
| 668 | $archive = new PclZip($file); | |
| 669 | ||
| 670 | // Is the archive valid? | |
| 671 | if ( false == ($archive_files = $archive->extract(PCLZIP_OPT_EXTRACT_AS_STRING)) ) | |
| 672 | return new WP_Error('incompatible_archive', __('Incompatible Archive.'), $archive->errorInfo(true)); | |
| 673 | ||
| 674 | if ( 0 == count($archive_files) ) | |
| 675 | return new WP_Error('empty_archive', __('Empty archive.')); | |
| 676 | ||
| 677 | // Determine any children directories needed (From within the archive) | |
| 678 | foreach ( $archive_files as $file ) { | |
| 679 | if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Skip the OS X-created __MACOSX directory | |
| 680 | continue; | |
| 681 | ||
| 682 | $needed_dirs[] = $to . untrailingslashit( $file['folder'] ? $file['filename'] : dirname($file['filename']) ); | |
| 683 | } | |
| 684 | ||
| 685 | $needed_dirs = array_unique($needed_dirs); | |
| 686 | foreach ( $needed_dirs as $dir ) { | |
| 687 | // Check the parent folders of the folders all exist within the creation array. | |
| 688 | if ( untrailingslashit($to) == $dir ) // Skip over the working directory, We know this exists (or will exist) | |
| 689 | continue; | |
| 690 | if ( strpos($dir, $to) === false ) // If the directory is not within the working directory, Skip it | |
| 691 | continue; | |
| 692 | ||
| 693 | $parent_folder = dirname($dir); | |
| 694 | while ( !empty($parent_folder) && untrailingslashit($to) != $parent_folder && !in_array($parent_folder, $needed_dirs) ) { | |
| 695 | $needed_dirs[] = $parent_folder; | |
| 696 | $parent_folder = dirname($parent_folder); | |
| 697 | } | |
| 698 | } | |
| 699 | asort($needed_dirs); | |
| 700 | ||
| 701 | // Create those directories if need be: | |
| 702 | foreach ( $needed_dirs as $_dir ) { | |
| 703 | if ( ! $wp_filesystem->mkdir($_dir, FS_CHMOD_DIR) && ! $wp_filesystem->is_dir($_dir) ) // Only check to see if the dir exists upon creation failure. Less I/O this way. | |
| 704 | return new WP_Error('mkdir_failed', __('Could not create directory.'), $_dir); | |
| 705 | } | |
| 706 | unset($needed_dirs); | |
| 707 | ||
| 708 | // Extract the files from the zip | |
| 709 | foreach ( $archive_files as $file ) { | |
| 710 | if ( $file['folder'] ) | |
| 711 | continue; | |
| 712 | ||
| 713 | if ( '__MACOSX/' === substr($file['filename'], 0, 9) ) // Don't extract the OS X-created __MACOSX directory files | |
| 714 | continue; | |
| 715 | ||
| 716 | if ( ! $wp_filesystem->put_contents( $to . $file['filename'], $file['content'], FS_CHMOD_FILE) ) | |
| 717 | return new WP_Error('copy_failed', __('Could not copy file.'), $to . $file['filename']); | //Arbitrary file disclosing |
| 718 | } | |
| 719 | return true; | |
| 720 | } | |
| 721 | ||
| 722 | /** | |
| 723 | * Copies a directory from one location to another via the WordPress Filesystem Abstraction. | |
| 724 | * Assumes that WP_Filesystem() has already been called and setup. | |
| 725 | * | |
| 726 | * @since 2.5.0 | |
| 727 | * | |
| 728 | * @param string $from source directory | |
| 729 | * @param string $to destination directory | |
| 730 | * @return mixed WP_Error on failure, True on success. | |
| 731 | */ | |
| 732 | function copy_dir($from, $to) { | |
| 733 | global $wp_filesystem; | |
| 734 | ||
| 735 | $dirlist = $wp_filesystem->dirlist($from); | |
| 736 | ||
| 737 | $from = trailingslashit($from); | |
| 738 | $to = trailingslashit($to); | |
| 739 | ||
| 740 | foreach ( (array) $dirlist as $filename => $fileinfo ) { | |
| 741 | if ( 'f' == $fileinfo['type'] ) { | |
| 742 | if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true) ) { | |
| 743 | // If copy failed, chmod file to 0644 and try again. | |
| 744 | $wp_filesystem->chmod($to . $filename, 0644); | //Arbitrary file manipulations |
| 745 | if ( ! $wp_filesystem->copy($from . $filename, $to . $filename, true) ) | |
| 746 | return new WP_Error('copy_failed', __('Could not copy file.'), $to . $filename); | //Arbitrary file disclosing |
| 747 | } | |
| 748 | $wp_filesystem->chmod($to . $filename, FS_CHMOD_FILE); | //Arbitrary file manipulations |
| 749 | } elseif ( 'd' == $fileinfo['type'] ) { | |
| 750 | if ( !$wp_filesystem->is_dir($to . $filename) ) { | |
| 751 | if ( !$wp_filesystem->mkdir($to . $filename, FS_CHMOD_DIR) ) | |
| 752 | return new WP_Error('mkdir_failed', __('Could not create directory.'), $to . $filename); | |
| 753 | } | |
| 754 | $result = copy_dir($from . $filename, $to . $filename); | |
| 755 | if ( is_wp_error($result) ) | |
| 756 | return $result; | |
| 757 | } | |
| 758 | } | |
| 759 | return true; | |
| 760 | } | |
| 761 | ||
| 762 | /** | |
| 763 | * Initialises and connects the WordPress Filesystem Abstraction classes. | |
| 764 | * This function will include the chosen transport and attempt connecting. | |
| 765 | * | |
| 766 | * Plugins may add extra transports, And force WordPress to use them by returning the filename via the 'filesystem_method_file' filter. | |
| 767 | * | |
| 768 | * @since 2.5.0 | |
| 769 | * | |
| 770 | * @param array $args (optional) Connection args, These are passed directly to the WP_Filesystem_*() classes. | |
| 771 | * @param string $context (optional) Context for get_filesystem_method(), See function declaration for more information. | |
| 772 | * @return boolean false on failure, true on success | |
| 773 | */ | |
| 774 | function WP_Filesystem( $args = false, $context = false ) { | |
| 775 | global $wp_filesystem; | |
| 776 | ||
| 777 | require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php'); | |
| 778 | ||
| 779 | $method = get_filesystem_method($args, $context); | |
| 780 | ||
| 781 | if ( ! $method ) | |
| 782 | return false; | |
| 783 | ||
| 784 | if ( ! class_exists("WP_Filesystem_$method") ) { | |
| 785 | $abstraction_file = apply_filters('filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method); | //Arbitrary code inclusion //Arbitrary command execution |
| 786 | if ( ! file_exists($abstraction_file) ) | |
| 787 | return; | |
| 788 | ||
| 789 | require_once($abstraction_file); | //Arbitrary code inclusion |
| 790 | } | |
| 791 | $method = "WP_Filesystem_$method"; | //Arbitrary command execution |
| 792 | ||
| 793 | $wp_filesystem = new $method($args); | |
| 794 | ||
| 795 | //Define the timeouts for the connections. Only available after the construct is called to allow for per-transport overriding of the default. | |
| 796 | if ( ! defined('FS_CONNECT_TIMEOUT') ) | |
| 797 | define('FS_CONNECT_TIMEOUT', 30); | |
| 798 | if ( ! defined('FS_TIMEOUT') ) | |
| 799 | define('FS_TIMEOUT', 30); | |
| 800 | ||
| 801 | if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() ) | |
| 802 | return false; | |
| 803 | ||
| 804 | if ( !$wp_filesystem->connect() ) | |
| 805 | return false; //There was an erorr connecting to the server. | |
| 806 | ||
| 807 | // Set the permission constants if not already set. | |
| 808 | if ( ! defined('FS_CHMOD_DIR') ) | |
| 809 | define('FS_CHMOD_DIR', 0755 ); | |
| 810 | if ( ! defined('FS_CHMOD_FILE') ) | |
| 811 | define('FS_CHMOD_FILE', 0644 ); | |
| 812 | ||
| 813 | return true; | |
| 814 | } | |
| 815 | ||
| 816 | /** | |
| 817 | * Determines which Filesystem Method to use. | |
| 818 | * The priority of the Transports are: Direct, SSH2, FTP PHP Extension, FTP Sockets (Via Sockets class, or fsoxkopen()) | |
| 819 | * | |
| 820 | * Note that the return value of this function can be overridden in 2 ways | |
| 821 | * - By defining FS_METHOD in your <code>wp-config.php</code> file | |
| 822 | * - By using the filesystem_method filter | |
| 823 | * Valid values for these are: 'direct', 'ssh', 'ftpext' or 'ftpsockets' | |
| 824 | * Plugins may also define a custom transport handler, See the WP_Filesystem function for more information. | |
| 825 | * | |
| 826 | * @since 2.5.0 | |
| 827 | * | |
| 828 | * @param array $args Connection details. | |
| 829 | * @param string $context Full path to the directory that is tested for being writable. | |
| 830 | * @return string The transport to use, see description for valid return values. | |
| 831 | */ | |
| 832 | function get_filesystem_method($args = array(), $context = false) { | |
| 833 | $method = defined('FS_METHOD') ? FS_METHOD : false; //Please ensure that this is either 'direct', 'ssh', 'ftpext' or 'ftpsockets' | |
| 834 | ||
| 835 | if ( ! $method && function_exists('getmyuid') && function_exists('fileowner') ){ | |
| 836 | if ( !$context ) | |
| 837 | $context = WP_CONTENT_DIR; | |
| 838 | $context = trailingslashit($context); | |
| 839 | $temp_file_name = $context . 'temp-write-test-' . time(); | |
| 840 | $temp_handle = @fopen($temp_file_name, 'w'); | |
| 841 | if ( $temp_handle ) { | |
| 842 | if ( getmyuid() == @fileowner($temp_file_name) ) | |
| 843 | $method = 'direct'; | |
| 844 | @fclose($temp_handle); | |
| 845 | @unlink($temp_file_name); | //Arbitrary file manipulations |
| 846 | } | |
| 847 | } | |
| 848 | ||
| 849 | if ( ! $method && isset($args['connection_type']) && 'ssh' == $args['connection_type'] && extension_loaded('ssh2') && function_exists('stream_get_contents') ) $method = 'ssh2'; | |
| 850 | if ( ! $method && extension_loaded('ftp') ) $method = 'ftpext'; | |
| 851 | if ( ! $method && ( extension_loaded('sockets') || function_exists('fsockopen') ) ) $method = 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread | //Connection Handling |
| 852 | return apply_filters('filesystem_method', $method, $args); | |
| 853 | } | |
| 854 | ||
| 855 | /** | |
| 856 | * Displays a form to the user to request for their FTP/SSH details in order to connect to the filesystem. | |
| 857 | * All chosen/entered details are saved, Excluding the Password. | |
| 858 | * | |
| 859 | * Hostnames may be in the form of hostname:portnumber (eg: wordpress.org:2467) to specify an alternate FTP/SSH port. | |
| 860 | * | |
| 861 | * Plugins may override this form by returning true|false via the <code>request_filesystem_credentials</code> filter. | |
| 862 | * | |
| 863 | * @since 2.5.0 | |
| 864 | * | |
| 865 | * @param string $form_post the URL to post the form to | |
| 866 | * @param string $type the chosen Filesystem method in use | |
| 867 | * @param boolean $error if the current request has failed to connect | |
| 868 | * @param string $context The directory which is needed access to, The write-test will be performed on this directory by get_filesystem_method() | |
| 869 | * @param string $extra_fields Extra POST fields which should be checked for to be included in the post. | |
| 870 | * @return boolean False on failure. True on success. | |
| 871 | */ | |
| 872 | function request_filesystem_credentials($form_post, $type = '', $error = false, $context = false, $extra_fields = null) { | |
| 873 | $req_cred = apply_filters( 'request_filesystem_credentials', '', $form_post, $type, $error, $context, $extra_fields ); | |
| 874 | if ( '' !== $req_cred ) | |
| 875 | return $req_cred; | |
| 876 | ||
| 877 | if ( empty($type) ) | |
| 878 | $type = get_filesystem_method(array(), $context); | |
| 879 | ||
| 880 | if ( 'direct' == $type ) | |
| 881 | return true; | |
| 882 | ||
| 883 | if ( is_null( $extra_fields ) ) | |
| 884 | $extra_fields = array( 'version', 'locale' ); | |
| 885 | ||
| 886 | $credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => '')); | |
| 887 | ||
| 888 | // If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option) | |
| 889 | $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? stripslashes($_POST['hostname']) : $credentials['hostname']); | |
| 890 | $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? stripslashes($_POST['username']) : $credentials['username']); | |
| 891 | $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? stripslashes($_POST['password']) : ''); | |
| 892 | ||
| 893 | // Check to see if we are setting the public/private keys for ssh | |
| 894 | $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? stripslashes($_POST['public_key']) : ''); | |
| 895 | $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? stripslashes($_POST['private_key']) : ''); | |
| 896 | ||
| 897 | //sanitize the hostname, Some people might pass in odd-data: | |
| 898 | $credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off | |
| 899 | ||
| 900 | if ( strpos($credentials['hostname'], ':') ) { | |
| 901 | list( $credentials['hostname'], $credentials['port'] ) = explode(':', $credentials['hostname'], 2); | |
| 902 | if ( ! is_numeric($credentials['port']) ) | |
| 903 | unset($credentials['port']); | |
| 904 | } else { | |
| 905 | unset($credentials['port']); | |
| 906 | } | |
| 907 | ||
| 908 | if ( (defined('FTP_SSH') && FTP_SSH) || (defined('FS_METHOD') && 'ssh' == FS_METHOD) ) | |
| 909 | $credentials['connection_type'] = 'ssh'; | |
| 910 | else if ( (defined('FTP_SSL') && FTP_SSL) && 'ftpext' == $type ) //Only the FTP Extension understands SSL | |
| 911 | $credentials['connection_type'] = 'ftps'; | |
| 912 | else if ( !empty($_POST['connection_type']) ) | |
| 913 | $credentials['connection_type'] = stripslashes($_POST['connection_type']); | |
| 914 | else if ( !isset($credentials['connection_type']) ) //All else fails (And its not defaulted to something else saved), Default to FTP | |
| 915 | $credentials['connection_type'] = 'ftp'; | |
| 916 | ||
| 917 | if ( ! $error && | |
| 918 | ( | |
| 919 | ( !empty($credentials['password']) && !empty($credentials['username']) && !empty($credentials['hostname']) ) || | |
| 920 | ( 'ssh' == $credentials['connection_type'] && !empty($credentials['public_key']) && !empty($credentials['private_key']) ) | |
| 921 | ) ) { | |
| 922 | $stored_credentials = $credentials; | |
| 923 | if ( !empty($stored_credentials['port']) ) //save port as part of hostname to simplify above code. | |
| 924 | $stored_credentials['hostname'] .= ':' . $stored_credentials['port']; | |
| 925 | ||
| 926 | unset($stored_credentials['password'], $stored_credentials['port'], $stored_credentials['private_key'], $stored_credentials['public_key']); | |
| 927 | update_option('ftp_credentials', $stored_credentials); | |
| 928 | return $credentials; | |
| 929 | } | |
| 930 | $hostname = ''; | |
| 931 | $username = ''; | |
| 932 | $password = ''; | |
| 933 | $connection_type = ''; | |
| 934 | if ( !empty($credentials) ) | |
| 935 | extract($credentials, EXTR_OVERWRITE); | //Possible Control Flow |
| 936 | if ( $error ) { | |
| 937 | $error_string = __('<strong>Error:</strong> There was an error connecting to the server, Please verify the settings are correct.'); | |
| 938 | if ( is_wp_error($error) ) | |
| 939 | $error_string = $error->get_error_message(); | |
| 940 | echo '<div id="message" class="error"><p>' . $error_string . '</p></div>'; | |
| 941 | } | |
| 942 | ||
| 943 | $types = array(); | |
| 944 | if ( extension_loaded('ftp') || extension_loaded('sockets') || function_exists('fsockopen') ) | |
| 945 | $types[ 'ftp' ] = __('FTP'); | |
| 946 | if ( extension_loaded('ftp') ) //Only this supports FTPS | |
| 947 | $types[ 'ftps' ] = __('FTPS (SSL)'); | |
| 948 | if ( extension_loaded('ssh2') && function_exists('stream_get_contents') ) | |
| 949 | $types[ 'ssh' ] = __('SSH2'); | |
| 950 | ||
| 951 | $types = apply_filters('fs_ftp_connection_types', $types, $credentials, $type, $error, $context); | |
| 952 | ||
| 953 | ?> | |
| 954 | <script type="text/javascript"> | |
| 955 | <!-- | |
| 956 | jQuery(function($){ | |
| 957 | jQuery("#ssh").click(function () { | |
| 958 | jQuery("#ssh_keys").show(); | |
| 959 | }); | |
| 960 | jQuery("#ftp, #ftps").click(function () { | |
| 961 | jQuery("#ssh_keys").hide(); | |
| 962 | }); | |
| 963 | jQuery('form input[value=""]:first').focus(); | |
| 964 | }); | |
| 965 | --> | |
| 966 | </script> | |
| 967 | <form action="<?php echo $form_post ?>" method="post"> | |
| 968 | <div class="wrap"> | |
| 969 | <?php screen_icon(); ?> | |
| 970 | <h2><?php _e('Connection Information') ?></h2> | |
| 971 | <p><?php | |
| 972 | $label_user = __('Username'); | |
| 973 | $label_pass = __('Password'); | |
| 974 | _e('To perform the requested action, WordPress needs to access to your web server.'); | |
| 975 | echo ' '; | |
| 976 | if ( ( isset( $types['ftp'] ) || isset( $types['ftps'] ) ) ) { | |
| 977 | if ( isset( $types['ssh'] ) ) { | |
| 978 | _e('Please enter your FTP or SSH credentials to proceed.'); | |
| 979 | $label_user = __('FTP/SSH Username'); | |
| 980 | $label_pass = __('FTP/SSH Password'); | |
| 981 | } else { | |
| 982 | _e('Please enter your FTP credentials to proceed.'); | |
| 983 | $label_user = __('FTP Username'); | |
| 984 | $label_pass = __('FTP Password'); | |
| 985 | } | |
| 986 | echo ' '; | |
| 987 | } | |
| 988 | _e('If you do not remember your credentials, you should contact your web host.'); | |
| 989 | ?></p> | |
| 990 | <table class="form-table"> | |
| 991 | <tr valign="top"> | |
| 992 | <th scope="row"><label for="hostname"><?php _e('Hostname') ?></label></th> | |
| 993 | <td><input name="hostname" type="text" id="hostname" value="<?php echo esc_attr($hostname); if ( !empty($port) ) echo ":$port"; ?>"<?php disabled( defined('FTP_HOST') ); ?> size="40" /></td> | //Cross Site Scripting |
| 994 | </tr> | |
| 995 | ||
| 996 | <tr valign="top"> | |
| 997 | <th scope="row"><label for="username"><?php echo $label_user; ?></label></th> | //Cross Site Scripting |
| 998 | <td><input name="username" type="text" id="username" value="<?php echo esc_attr($username) ?>"<?php disabled( defined('FTP_USER') ); ?> size="40" /></td> | |
| 999 | </tr> | |
| 1000 |