/** * Deliver the download file * * If enabled, the file is symlinked to better support large file downloads * * @access public * @param string $file * @param bool $redirect True if we should perform a header redirect instead of calling edd_readfile_chunked() * @return void */ function edd_deliver_download($file = '', $redirect = false) { /* * If symlinks are enabled, a link to the file will be created * This symlink is used to hide the true location of the file, even when the file URL is revealed * The symlink is deleted after it is used */ if (edd_symlink_file_downloads() && edd_is_local_file($file)) { $file = edd_get_local_path_from_url($file); // Generate a symbolic link $ext = edd_get_file_extension($file); $parts = explode('.', $file); $name = basename($parts[0]); $md5 = md5($file); $file_name = $name . '_' . substr($md5, 0, -15) . '.' . $ext; $path = edd_get_symlink_dir() . '/' . $file_name; $url = edd_get_symlink_url() . '/' . $file_name; // Set a transient to ensure this symlink is not deleted before it can be used set_transient(md5($file_name), '1', 30); // Schedule deletion of the symlink if (!wp_next_scheduled('edd_cleanup_file_symlinks')) { wp_schedule_single_event(current_time('timestamp') + 60, 'edd_cleanup_file_symlinks'); } // Make sure the symlink doesn't already exist before we create it if (!file_exists($path)) { $link = @symlink(realpath($file), $path); } else { $link = true; } if ($link) { // Send the browser to the file header('Location: ' . $url); } else { edd_readfile_chunked($file); } } elseif ($redirect) { header('Location: ' . $file); } else { // Read the file and deliver it in chunks edd_readfile_chunked($file); } }
/** * Deliver the download file * * If enabled, the file is symlinked to better support large file downloads * * @access public * @param string file * @return void */ function edd_deliver_download($file = '') { global $edd_options; $symlink = apply_filters('edd_symlink_file_downloads', isset($edd_options['symlink_file_downloads'])); /* * If symlinks are enabled, a link to the file will be created * This symlink is used to hide the true location of the file, even when the file URL is revealed * The symlink is deleted after it is used */ if ($symlink && function_exists('symlink')) { // Generate a symbolic link $ext = edd_get_file_extension($file); $parts = explode('.', $file); $name = basename($parts[0]); $md5 = md5($file); $file_name = $name . '_' . substr($md5, 0, -15) . '.' . $ext; $path = edd_get_symlink_dir() . '/' . $file_name; $url = edd_get_symlink_url() . '/' . $file_name; // Set a transient to ensure this symlink is not deleted before it can be used set_transient(md5($file_name), '1', 30); // Schedule deletion of the symlink if (!wp_next_scheduled('edd_cleanup_file_symlinks')) { wp_schedule_single_event(time() + 60, 'edd_cleanup_file_symlinks'); } // Make sure the symlink doesn't already exist before we create it if (!file_exists($path)) { $link = symlink($file, $path); } else { $link = true; } if ($link) { // Send the browser to the file header('Location: ' . $url); } else { @edd_readfile_chunked($file); } } else { // Read the file and deliver it in chunks @edd_readfile_chunked($file); } }
/** * Process Download * * Handles the file download process. * * @access private * @since 1.0 * @return void */ function edd_process_download() { $args = apply_filters('edd_process_download_args', array('download' => isset($_GET['download']) ? (int) $_GET['download'] : '', 'email' => isset($_GET['email']) ? rawurldecode($_GET['email']) : '', 'expire' => isset($_GET['expire']) ? base64_decode(rawurldecode($_GET['expire'])) : '', 'file_key' => isset($_GET['file']) ? (int) $_GET['file'] : '', 'key' => isset($_GET['download_key']) ? $_GET['download_key'] : '')); if ($args['download'] === '' || $args['email'] === '' || $args['file_key'] === '') { return false; } extract($args); $payment = edd_verify_download_link($download, $key, $email, $expire, $file_key); // Defaulting this to true for now because the method below doesn't work well $has_access = apply_filters('edd_file_download_has_access', true, $payment, $args); //$has_access = ( edd_logged_in_only() && is_user_logged_in() ) || !edd_logged_in_only() ? true : false; if ($payment && $has_access) { do_action('edd_process_verified_download', $download, $email); // payment has been verified, setup the download $download_files = edd_get_download_files($download); $requested_file = apply_filters('edd_requested_file', $download_files[$file_key]['file']); $user_info = array(); $user_info['email'] = $email; if (is_user_logged_in()) { global $user_ID; $user_data = get_userdata($user_ID); $user_info['id'] = $user_ID; $user_info['name'] = $user_data->display_name; } edd_record_download_in_log($download, $file_key, $user_info, edd_get_ip(), $payment); $file_extension = edd_get_file_extension($requested_file); $ctype = edd_get_file_ctype($file_extension); if (!edd_is_func_disabled('set_time_limit') && !ini_get('safe_mode')) { set_time_limit(0); } if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime()) { set_magic_quotes_runtime(0); } @session_write_close(); if (function_exists('apache_setenv')) { @apache_setenv('no-gzip', 1); } @ini_set('zlib.output_compression', 'Off'); @ob_end_clean(); if (ob_get_level()) { @ob_end_clean(); } // Zip corruption fix nocache_headers(); header("Robots: none"); header("Content-Type: " . $ctype . ""); header("Content-Description: File Transfer"); header("Content-Disposition: attachment; filename=\"" . apply_filters('edd_requested_file_name', basename($requested_file)) . "\";"); header("Content-Transfer-Encoding: binary"); if (strpos($requested_file, 'http://') === false && strpos($requested_file, 'https://') === false && strpos($requested_file, 'ftp://') === false) { // this is an absolute path $requested_file = realpath($requested_file); if (file_exists($requested_file)) { if ($size = @filesize($requested_file)) { header("Content-Length: " . $size); } @edd_readfile_chunked($requested_file); } else { wp_die(__('Sorry but this file does not exist.', 'edd'), __('Error', 'edd')); } } else { if (strpos($requested_file, WP_CONTENT_URL) !== false) { // This is a local file given by URL $upload_dir = wp_upload_dir(); $requested_file = str_replace(WP_CONTENT_URL, WP_CONTENT_DIR, $requested_file); $requested_file = realpath($requested_file); if (file_exists($requested_file)) { if ($size = @filesize($requested_file)) { header("Content-Length: " . $size); } @edd_readfile_chunked($requested_file); } else { wp_die(__('Sorry but this file does not exist.', 'edd'), __('Error', 'edd')); } } else { // This is a remote file header("Location: " . $requested_file); } } exit; } else { $error_message = __('You do not have permission to download this file', 'edd'); wp_die(apply_filters('edd_deny_download_message', $error_message, __('Purchase Verification Failed', 'edd'))); } exit; }
/** * Process Download * * Handles the file download process. * * @access private * @since 1.0 * @return void */ function edd_process_download() { if (isset($_GET['download']) && isset($_GET['email']) && isset($_GET['file'])) { $download = urldecode($_GET['download']); $key = urldecode($_GET['download_key']); $email = rawurldecode($_GET['email']); $file_key = urldecode($_GET['file']); $expire = urldecode(base64_decode($_GET['expire'])); $payment = edd_verify_download_link($download, $key, $email, $expire, $file_key); // defaulting this to true for now because the method below doesn't work well $has_access = true; //$has_access = ( edd_logged_in_only() && is_user_logged_in() ) || !edd_logged_in_only() ? true : false; if ($payment && $has_access) { do_action('edd_process_verified_download', $download, $email); // payment has been verified, setup the download $download_files = edd_get_download_files($download); $requested_file = apply_filters('edd_requested_file', $download_files[$file_key]['file']); $user_info = array(); $user_info['email'] = $email; if (is_user_logged_in()) { global $user_ID; $user_data = get_userdata($user_ID); $user_info['id'] = $user_ID; $user_info['name'] = $user_data->display_name; } edd_record_download_in_log($download, $file_key, $user_info, edd_get_ip(), date('Y-m-d H:i:s')); $file_extension = edd_get_file_extension($requested_file); switch ($file_extension) { case 'ai': $ctype = "application/postscript"; break; case 'aif': $ctype = "audio/x-aiff"; break; case 'aifc': $ctype = "audio/x-aiff"; break; case 'aiff': $ctype = "audio/x-aiff"; break; case 'asc': $ctype = "text/plain"; break; case 'atom': $ctype = "application/atom+xml"; break; case 'au': $ctype = "audio/basic"; break; case 'avi': $ctype = "video/x-msvideo"; break; case 'bcpio': $ctype = "application/x-bcpio"; break; case 'bin': $ctype = "application/octet-stream"; break; case 'bmp': $ctype = "image/bmp"; break; case 'cdf': $ctype = "application/x-netcdf"; break; case 'cgm': $ctype = "image/cgm"; break; case 'class': $ctype = "application/octet-stream"; break; case 'cpio': $ctype = "application/x-cpio"; break; case 'cpt': $ctype = "application/mac-compactpro"; break; case 'csh': $ctype = "application/x-csh"; break; case 'css': $ctype = "text/css"; break; case 'dcr': $ctype = "application/x-director"; break; case 'dif': $ctype = "video/x-dv"; break; case 'dir': $ctype = "application/x-director"; break; case 'djv': $ctype = "image/vnd.djvu"; break; case 'djvu': $ctype = "image/vnd.djvu"; break; case 'dll': $ctype = "application/octet-stream"; break; case 'dmg': $ctype = "application/octet-stream"; break; case 'dms': $ctype = "application/octet-stream"; break; case 'doc': $ctype = "application/msword"; break; case 'dtd': $ctype = "application/xml-dtd"; break; case 'dv': $ctype = "video/x-dv"; break; case 'dvi': $ctype = "application/x-dvi"; break; case 'dxr': $ctype = "application/x-director"; break; case 'eps': $ctype = "application/postscript"; break; case 'etx': $ctype = "text/x-setext"; break; case 'exe': $ctype = "application/octet-stream"; break; case 'ez': $ctype = "application/andrew-inset"; break; case 'gif': $ctype = "image/gif"; break; case 'gram': $ctype = "application/srgs"; break; case 'grxml': $ctype = "application/srgs+xml"; break; case 'gtar': $ctype = "application/x-gtar"; break; case 'hdf': $ctype = "application/x-hdf"; break; case 'hqx': $ctype = "application/mac-binhex40"; break; case 'htm': $ctype = "text/html"; break; case 'html': $ctype = "text/html"; break; case 'ice': $ctype = "x-conference/x-cooltalk"; break; case 'ico': $ctype = "image/x-icon"; break; case 'ics': $ctype = "text/calendar"; break; case 'ief': $ctype = "image/ief"; break; case 'ifb': $ctype = "text/calendar"; break; case 'iges': $ctype = "model/iges"; break; case 'igs': $ctype = "model/iges"; break; case 'jnlp': $ctype = "application/x-java-jnlp-file"; break; case 'jp2': $ctype = "image/jp2"; break; case 'jpe': $ctype = "image/jpeg"; break; case 'jpeg': $ctype = "image/jpeg"; break; case 'jpg': $ctype = "image/jpeg"; break; case 'js': $ctype = "application/x-javascript"; break; case 'kar': $ctype = "audio/midi"; break; case 'latex': $ctype = "application/x-latex"; break; case 'lha': $ctype = "application/octet-stream"; break; case 'lzh': $ctype = "application/octet-stream"; break; case 'm3u': $ctype = "audio/x-mpegurl"; break; case 'm4a': $ctype = "audio/mp4a-latm"; break; case 'm4b': $ctype = "audio/mp4a-latm"; break; case 'm4p': $ctype = "audio/mp4a-latm"; break; case 'm4u': $ctype = "video/vnd.mpegurl"; break; case 'm4v': $ctype = "video/x-m4v"; break; case 'mac': $ctype = "image/x-macpaint"; break; case 'man': $ctype = "application/x-troff-man"; break; case 'mathml': $ctype = "application/mathml+xml"; break; case 'me': $ctype = "application/x-troff-me"; break; case 'mesh': $ctype = "model/mesh"; break; case 'mid': $ctype = "audio/midi"; break; case 'midi': $ctype = "audio/midi"; break; case 'mif': $ctype = "application/vnd.mif"; break; case 'mov': $ctype = "video/quicktime"; break; case 'movie': $ctype = "video/x-sgi-movie"; break; case 'mp2': $ctype = "audio/mpeg"; break; case 'mp3': $ctype = "audio/mpeg"; break; case 'mp4': $ctype = "video/mp4"; break; case 'mpe': $ctype = "video/mpeg"; break; case 'mpeg': $ctype = "video/mpeg"; break; case 'mpg': $ctype = "video/mpeg"; break; case 'mpga': $ctype = "audio/mpeg"; break; case 'ms': $ctype = "application/x-troff-ms"; break; case 'msh': $ctype = "model/mesh"; break; case 'mxu': $ctype = "video/vnd.mpegurl"; break; case 'nc': $ctype = "application/x-netcdf"; break; case 'oda': $ctype = "application/oda"; break; case 'ogg': $ctype = "application/ogg"; break; case 'pbm': $ctype = "image/x-portable-bitmap"; break; case 'pct': $ctype = "image/pict"; break; case 'pdb': $ctype = "chemical/x-pdb"; break; case 'pdf': $ctype = "application/pdf"; break; case 'pgm': $ctype = "image/x-portable-graymap"; break; case 'pgn': $ctype = "application/x-chess-pgn"; break; case 'pic': $ctype = "image/pict"; break; case 'pict': $ctype = "image/pict"; break; case 'png': $ctype = "image/png"; break; case 'pnm': $ctype = "image/x-portable-anymap"; break; case 'pnt': $ctype = "image/x-macpaint"; break; case 'pntg': $ctype = "image/x-macpaint"; break; case 'ppm': $ctype = "image/x-portable-pixmap"; break; case 'ppt': $ctype = "application/vnd.ms-powerpoint"; break; case 'ps': $ctype = "application/postscript"; break; case 'qt': $ctype = "video/quicktime"; break; case 'qti': $ctype = "image/x-quicktime"; break; case 'qtif': $ctype = "image/x-quicktime"; break; case 'ra': $ctype = "audio/x-pn-realaudio"; break; case 'ram': $ctype = "audio/x-pn-realaudio"; break; case 'ras': $ctype = "image/x-cmu-raster"; break; case 'rdf': $ctype = "application/rdf+xml"; break; case 'rgb': $ctype = "image/x-rgb"; break; case 'rm': $ctype = "application/vnd.rn-realmedia"; break; case 'roff': $ctype = "application/x-troff"; break; case 'rtf': $ctype = "text/rtf"; break; case 'rtx': $ctype = "text/richtext"; break; case 'sgm': $ctype = "text/sgml"; break; case 'sgml': $ctype = "text/sgml"; break; case 'sh': $ctype = "application/x-sh"; break; case 'shar': $ctype = "application/x-shar"; break; case 'silo': $ctype = "model/mesh"; break; case 'sit': $ctype = "application/x-stuffit"; break; case 'skd': $ctype = "application/x-koan"; break; case 'skm': $ctype = "application/x-koan"; break; case 'skp': $ctype = "application/x-koan"; break; case 'skt': $ctype = "application/x-koan"; break; case 'smi': $ctype = "application/smil"; break; case 'smil': $ctype = "application/smil"; break; case 'snd': $ctype = "audio/basic"; break; case 'so': $ctype = "application/octet-stream"; break; case 'spl': $ctype = "application/x-futuresplash"; break; case 'src': $ctype = "application/x-wais-source"; break; case 'sv4cpio': $ctype = "application/x-sv4cpio"; break; case 'sv4crc': $ctype = "application/x-sv4crc"; break; case 'svg': $ctype = "image/svg+xml"; break; case 'swf': $ctype = "application/x-shockwave-flash"; break; case 't': $ctype = "application/x-troff"; break; case 'tar': $ctype = "application/x-tar"; break; case 'tcl': $ctype = "application/x-tcl"; break; case 'tex': $ctype = "application/x-tex"; break; case 'texi': $ctype = "application/x-texinfo"; break; case 'texinfo': $ctype = "application/x-texinfo"; break; case 'tif': $ctype = "image/tiff"; break; case 'tiff': $ctype = "image/tiff"; break; case 'tr': $ctype = "application/x-troff"; break; case 'tsv': $ctype = "text/tab-separated-values"; break; case 'txt': $ctype = "text/plain"; break; case 'ustar': $ctype = "application/x-ustar"; break; case 'vcd': $ctype = "application/x-cdlink"; break; case 'vrml': $ctype = "model/vrml"; break; case 'vxml': $ctype = "application/voicexml+xml"; break; case 'wav': $ctype = "audio/x-wav"; break; case 'wbmp': $ctype = "image/vnd.wap.wbmp"; break; case 'wbmxl': $ctype = "application/vnd.wap.wbxml"; break; case 'wml': $ctype = "text/vnd.wap.wml"; break; case 'wmlc': $ctype = "application/vnd.wap.wmlc"; break; case 'wmls': $ctype = "text/vnd.wap.wmlscript"; break; case 'wmlsc': $ctype = "application/vnd.wap.wmlscriptc"; break; case 'wrl': $ctype = "model/vrml"; break; case 'xbm': $ctype = "image/x-xbitmap"; break; case 'xht': $ctype = "application/xhtml+xml"; break; case 'xhtml': $ctype = "application/xhtml+xml"; break; case 'xls': $ctype = "application/vnd.ms-excel"; break; case 'xml': $ctype = "application/xml"; break; case 'xpm': $ctype = "image/x-xpixmap"; break; case 'xsl': $ctype = "application/xml"; break; case 'xslt': $ctype = "application/xslt+xml"; break; case 'xul': $ctype = "application/vnd.mozilla.xul+xml"; break; case 'xwd': $ctype = "image/x-xwindowdump"; break; case 'xyz': $ctype = "chemical/x-xyz"; break; case 'zip': $ctype = "application/zip"; break; default: $ctype = "application/force-download"; } if (!ini_get('safe_mode')) { set_time_limit(0); } if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime()) { set_magic_quotes_runtime(0); } @session_write_close(); if (function_exists('apache_setenv')) { @apache_setenv('no-gzip', 1); } @ini_set('zlib.output_compression', 'Off'); @ob_end_clean(); if (ob_get_level()) { @ob_end_clean(); } // Zip corruption fix header("Pragma: no-cache"); header("Expires: 0"); header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Robots: none"); header("Content-Type: " . $ctype . ""); header("Content-Description: File Transfer"); header("Content-Disposition: attachment; filename=\"" . apply_filters('edd_requested_file_name', basename($requested_file)) . "\";"); header("Content-Transfer-Encoding: binary"); if (strpos($requested_file, 'http://') === false && strpos($requested_file, 'https://') === false && strpos($requested_file, 'ftp://') === false) { // this is an absolute path $requested_file = realpath($requested_file); if (file_exists($requested_file)) { if ($size = @filesize($requested_file)) { header("Content-Length: " . $size); } @edd_readfile_chunked($requested_file); } else { wp_die(__('Sorry but this file does not exist.', 'edd'), __('Error')); } } else { if (strpos($requested_file, WP_CONTENT_URL) !== false) { // this is a local file given by URL $upload_dir = wp_upload_dir(); $requested_file = str_replace(WP_CONTENT_URL, WP_CONTENT_DIR, $requested_file); $requested_file = realpath($requested_file); if (file_exists($requested_file)) { if ($size = @filesize($requested_file)) { header("Content-Length: " . $size); } @edd_readfile_chunked($requested_file); } else { wp_die(__('Sorry but this file does not exist.', 'edd'), __('Error')); } } else { // this is a remote file header("Location: " . $requested_file); } } exit; } else { wp_die(__('You do not have permission to download this file', 'edd'), __('Purchase Verification Failed', 'edd')); } exit; } }