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<?php |
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// @codingStandardsIgnoreFile |
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/** |
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* Shortcode `[s2File /]` (inner processing routines). |
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* |
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* Copyright: © 2009-2011 |
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* {@link http://websharks-inc.com/ WebSharks, Inc.} |
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* (coded in the USA) |
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* |
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* Released under the terms of the GNU General Public License. |
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* You should have received a copy of the GNU General Public License, |
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* along with this software. In the main directory, see: /licensing/ |
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* If not, see: {@link http://www.gnu.org/licenses/}. |
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* |
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* @package s2Member\s2File |
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* @since 110926 |
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*/ |
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if(!defined('WPINC')) // MUST have WordPress. |
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exit('Do not access this file directly.'); |
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|
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if(!class_exists('c_ws_plugin__s2member_sc_files_in')) |
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{ |
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/** |
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* Shortcode `[s2File /]` (inner processing routines). |
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* |
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* @package s2Member\s2File |
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* @since 110926 |
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*/ |
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class c_ws_plugin__s2member_sc_files_in |
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{ |
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/** |
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* Handles the Shortcode for: `[s2File /]`. |
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* |
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* @package s2Member\s2File |
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* @since 110926 |
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* |
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* @attaches-to ``add_shortcode('s2File');`` |
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* |
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* @param array $attr An array of Attributes. |
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* @param string $content Content inside the Shortcode. |
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* @param string $shortcode The actual Shortcode name itself. |
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* |
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* @return string Value of requested File Download URL, streamer array element; or null on failure. |
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*/ |
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public static function sc_get_file($attr = array(), $content = '', $shortcode = '') |
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{ |
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foreach(array_keys(get_defined_vars()) as $__v) $__refs[$__v] =& $$__v; |
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do_action('ws_plugin__s2member_before_sc_get_file', get_defined_vars()); |
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unset($__refs, $__v); // Housekeeping. |
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|
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$attr = c_ws_plugin__s2member_utils_strings::trim_qts_deep((array)$attr); // Force array; trim quote entities. |
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|
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$attr = shortcode_atts(array('download' => '', 'download_key' => '', |
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'stream' => '', 'inline' => '', 'storage' => '', |
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'remote' => '', 'ssl' => '', 'rewrite' => '', 'rewrite_base' => '', |
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'skip_confirmation' => '', 'url_to_storage_source' => '', |
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'count_against_user' => '', 'check_user' => '', |
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'get_streamer_json' => '', 'get_streamer_array' => ''), $attr); |
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|
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//260811 Validate download key. |
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if(!in_array($attr['download_key'], array('ip-forever', 'universal'), true)) |
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$attr['download_key'] = filter_var($attr['download_key'], FILTER_VALIDATE_BOOLEAN) ? 'yes' : ''; |
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|
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foreach(array_keys(get_defined_vars()) as $__v) $__refs[$__v] =& $$__v; |
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do_action('ws_plugin__s2member_before_sc_get_file_after_shortcode_atts', get_defined_vars()); |
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unset($__refs, $__v); // Housekeeping. |
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|
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$get_streamer_json = filter_var($attr['get_streamer_json'], FILTER_VALIDATE_BOOLEAN); |
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$get_streamer_array = filter_var($attr['get_streamer_array'], FILTER_VALIDATE_BOOLEAN); |
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$get_streamer_json = $get_streamer_array = ($get_streamer_array || $get_streamer_json) ? TRUE : FALSE; |
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|
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foreach($attr as $key => $value) // Now we need to go through and a `file_` prefix to certain Attribute keys, for compatibility. |
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if(strlen($value) && in_array($key, array('download', 'download_key', 'stream', 'inline', 'storage', 'remote', 'ssl', 'rewrite', 'rewrite_base'))) |
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$config['file_'.$key] = $value; // Set prefixed config parameter here so we can pass properly in ``$config`` array. |
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else if(strlen($value) && !in_array($key, array('get_streamer_json', 'get_streamer_array'))) |
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$config[$key] = $value; |
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|
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unset($key, $value); // We don't want these bleeding into Hooks/Filters anyway. |
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|
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if(!empty($config) && isset($config['file_download'])) // Looking for a File Download URL? |
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{ |
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$_get = c_ws_plugin__s2member_files::create_file_download_url($config, $get_streamer_array); |
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|
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if($get_streamer_array && $get_streamer_json && is_array($_get)) |
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$get = json_encode($_get); |
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|
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else if($get_streamer_array && $get_streamer_json) |
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$get = 'null'; // Null object value. |
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|
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else if(!empty($_get)) |
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$get = $_get; |
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} |
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return apply_filters('ws_plugin__s2member_sc_get_file', isset($get) ? $get : NULL, get_defined_vars()); |
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} |
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|
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/** |
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* Handles the Shortcode for: `[s2Stream /]`. |
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* |
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* @package s2Member\s2File |
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* @since 130119 |
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* |
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* @attaches-to ``add_shortcode('s2Stream');`` |
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* |
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* @param array $attr An array of Attributes. |
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* @param string $content Content inside the Shortcode. |
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* @param string $shortcode The actual Shortcode name itself. |
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* |
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* @return string HTML markup that produces an audio/video stream for a specific player. |
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*/ |
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public static function sc_get_stream($attr = array(), $content = '', $shortcode = '') |
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{ |
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foreach(array_keys(get_defined_vars()) as $__v) $__refs[$__v] =& $$__v; |
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do_action('ws_plugin__s2member_before_sc_get_stream', get_defined_vars()); |
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unset($__refs, $__v); // Housekeeping. |
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|
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$attr = c_ws_plugin__s2member_utils_strings::trim_qts_deep((array)$attr); |
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|
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$attr = shortcode_atts(array('download' => '', 'file_download' => '', 'download_key' => '', |
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'stream' => 'yes', 'inline' => 'yes', 'storage' => '', |
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'remote' => '', 'ssl' => '', 'rewrite' => 'yes', 'rewrite_base' => '', |
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'skip_confirmation' => '', 'url_to_storage_source' => 'yes', |
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'count_against_user' => 'yes', 'check_user' => 'yes', |
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|
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// Configuration |
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'player' => 'jwplayer-v7-rtmp', 'player_id' => 's2-stream-'.md5(uniqid('', TRUE)), |
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'player_path' => '/jwplayer/jwplayer.js', 'player_key' => '', 'player_title' => '', |
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'player_image' => '', 'player_mediaid' => '', 'player_description' => '', 'player_captions' => '', 'player_tracks' => '', |
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'player_resolutions' => '', // A comma-delimited list of resolution options. |
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|
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// Layout |
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'player_controls' => 'yes', 'player_skin' => '', 'player_stretching' => 'uniform', |
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'player_width' => '480', 'player_height' => '270', 'player_aspectratio' => '', |
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|
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// Playback |
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'player_autostart' => 'no', 'player_fallback' => 'yes', 'player_mute' => 'no', |
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'player_primary' => (($attr['player'] === 'jw-player-v7' || $attr['player'] === 'jw-player-v6') ? 'html5' : 'flash'), |
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'player_repeat' => 'no', 'player_startparam' => '', // `startparam` seems to be JW Player v6 only. |
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|
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// Advanced Option Blocks |
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'player_option_blocks' => ''), $attr); |
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|
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$attr['download'] = (!empty($attr['file_download'])) ? $attr['file_download'] : $attr['download']; |
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|
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//260811 Validate download key. |
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if(!in_array($attr['download_key'], array('ip-forever', 'universal'), true)) |
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$attr['download_key'] = filter_var($attr['download_key'], FILTER_VALIDATE_BOOLEAN) ? 'yes' : ''; |
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|
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foreach(array_keys(get_defined_vars()) as $__v) $__refs[$__v] =& $$__v; |
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do_action('ws_plugin__s2member_before_sc_get_stream_after_shortcode_atts', get_defined_vars()); |
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unset($__refs, $__v); // Housekeeping. |
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|
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//260805 Validate the final player configuration after shortcode hooks, before it affects paths or generated markup. |
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$player_templates = array('jwplayer-v6', 'jwplayer-v6-rtmp', 'jwplayer-v6-rtmp-only', 'jwplayer-v7', 'jwplayer-v7-rtmp', 'jwplayer-v7-rtmp-only'); |
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if(!in_array($attr['player'], $player_templates, TRUE)) |
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$attr['player'] = 'jwplayer-v7-rtmp'; |
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|
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//260805 Shortcode content may select only an exact player script path allowlisted through trusted PHP. |
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$player_paths = array_map('strval', (array)apply_filters('ws_plugin__s2member_sc_get_stream_player_paths', array('/jwplayer/jwplayer.js'), $attr)); |
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$player_paths = array_values(array_unique(array_filter(array_map('trim', $player_paths), 'strlen'))); |
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if(!$player_paths) |
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$player_paths = array('/jwplayer/jwplayer.js'); |
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if(!in_array((string)$attr['player_path'], $player_paths, TRUE)) |
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$attr['player_path'] = $player_paths[0]; |
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|
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//260805 Preserve supported enums and numeric formats; invalid values fall back instead of entering JavaScript syntax. |
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$attr['player_primary'] = strtolower(trim((string)$attr['player_primary'])); |
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if(!in_array($attr['player_primary'], array('html5', 'flash'), TRUE)) |
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$attr['player_primary'] = 'flash'; |
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$attr['player_stretching'] = strtolower(trim((string)$attr['player_stretching'])); |
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if(!in_array($attr['player_stretching'], array('uniform', 'exactfit', 'fill', 'none'), TRUE)) |
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$attr['player_stretching'] = 'uniform'; |
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//260805 Keep JW Player v6 query parameter names as strings; complete output encoding prevents JavaScript-string breakout. |
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$attr['player_startparam'] = trim((string)$attr['player_startparam']); |
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if(!preg_match('/^(?:[0-9]+|[0-9]+(?:\.[0-9]+)?%)$/D', (string)$attr['player_width'])) |
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$attr['player_width'] = '480'; |
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if(!preg_match('/^(?:[0-9]+|[0-9]+(?:\.[0-9]+)?%)$/D', (string)$attr['player_height'])) |
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$attr['player_height'] = '270'; |
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if($attr['player_aspectratio'] && (!preg_match('/^([0-9]+):([0-9]+)$/D', (string)$attr['player_aspectratio'], $_player_aspectratio) || !(int)$_player_aspectratio[1] || !(int)$_player_aspectratio[2])) |
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$attr['player_aspectratio'] = ''; |
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unset($_player_aspectratio); //260805 Housekeeping. |
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|
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//260805 Resolution tokens become filename suffixes and labels, so discard tokens outside the supported token format. |
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$_player_resolutions = array(); |
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foreach(preg_split('/[,;\s]+/', (string)$attr['player_resolutions'], -1, PREG_SPLIT_NO_EMPTY) as $_player_resolution) |
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{ |
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$_player_resolution = ltrim(trim($_player_resolution), 'Rr'); |
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if($_player_resolution !== '' && preg_match('/^[A-Za-z0-9][A-Za-z0-9_-]*$/D', $_player_resolution)) |
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$_player_resolutions[] = $_player_resolution; |
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} |
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$attr['player_resolutions'] = implode(',', $_player_resolutions); |
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unset($_player_resolutions, $_player_resolution); //260805 Housekeeping. |
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|
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//260805 Encode complete JavaScript string literals once; templates receive generated literals instead of shortcode text. |
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$player_json_strings = array(); |
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foreach(array('player_id', 'player_key', 'player_title', 'player_image', 'player_mediaid', 'player_description', 'player_skin', 'player_aspectratio', 'player_stretching', 'player_primary', 'player_startparam') as $_player_json_string_key) |
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{ |
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$_player_json_string = wp_json_encode((string)$attr[$_player_json_string_key], JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); |
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$player_json_strings[$_player_json_string_key] = is_string($_player_json_string) ? $_player_json_string : '""'; |
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} |
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unset($_player_json_string_key, $_player_json_string); //260805 Housekeeping. |
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|
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foreach($attr as $key => $value) // Now we need to go through and a `file_` prefix to certain Attribute keys, for compatibility. |
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if(strlen($value) && in_array($key, array('download', 'download_key', 'stream', 'inline', 'storage', 'remote', 'ssl', 'rewrite', 'rewrite_base'))) |
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$config['file_'.$key] = $value; // Set prefixed config parameter here so we can pass properly in ``$config`` array. |
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else if(strlen($value) && !in_array($key, array('file_download', 'player')) && strpos($key, 'player_') !== 0) |
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$config[$key] = $value; |
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|
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unset($key, $value); // Ditch these now. We don't want these bleeding into Hooks/Filters anyway. |
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|
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if(!empty($config) && isset($config['file_download'])) // Looking for a File Download URL? |
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{ |
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if($attr['player_resolutions'] && c_ws_plugin__s2member_utils_conds::pro_is_installed() /* Pro serves SMIL files. */) |
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{ |
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$file_download_extension = strtolower(ltrim((string)strrchr(basename($config['file_download']), '.'), '.')); |
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$file_download_resolution_wo_extension = substr($config['file_download'], 0, -(strlen($file_download_extension) + 1) /* For the dot. */); |
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$file_download_wo_resolution_extension = preg_replace('/\-r[0-9]+([^.]*)$/i', '', $file_download_resolution_wo_extension); // e.g., `r720p-HD` is removed here. |
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|
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$file_download_resolutions = array(); // Initialize the array of resolutions. |
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foreach(preg_split('/[,;\s]+/', $attr['player_resolutions'], -1, PREG_SPLIT_NO_EMPTY) as $_player_resolution) |
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{ |
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$_player_resolution = ltrim($_player_resolution, 'Rr'); // Remove R|r prefix. |
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$file_download_resolutions[$_player_resolution] = $file_download_wo_resolution_extension.'-r'.$_player_resolution.'.'.$file_download_extension; |
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} |
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unset($_player_resolution); // Housekeeping. |
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|
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$file_download_urls = array(); // Initialize array of all file download urls. |
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foreach($file_download_resolutions as $_player_resolution => $_file_download_resolution) // NOTE: these ARE in a specific order. |
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{ |
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$_file_download_config = array_merge($config, array('file_download' => $_file_download_resolution)); |
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|
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if($file_download_urls) // If this is a ANOTHER resolution, don't count it against the user. |
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$_file_download_config = array_merge($_file_download_config, array('check_user' => FALSE, 'count_against_user' => FALSE)); |
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|
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if(!($file_download_urls[str_replace(array('_', '-'), ' ', $_player_resolution)] = c_ws_plugin__s2member_files::create_file_download_url($_file_download_config, TRUE))) |
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return apply_filters('ws_plugin__s2member_sc_get_stream', NULL, get_defined_vars()); // Failure. |
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} |
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unset($_player_resolution, $_file_download_resolution, $_file_download_config); // Housekeeping. |
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} |
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else $file_download_urls = array(c_ws_plugin__s2member_files::create_file_download_url($config, TRUE)); // Default behavior. |
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|
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if($file_download_urls && $attr['player'] && is_file($template = dirname(dirname(__FILE__)).'/templates/players/'.$attr['player'].'.php') && $attr['player_id'] && $attr['player_path']) |
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{ |
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$template = (is_file(TEMPLATEPATH.'/'.basename($template))) ? TEMPLATEPATH.'/'.basename($template) : $template; |
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$template = (is_file(get_stylesheet_directory().'/'.basename($template))) ? get_stylesheet_directory().'/'.basename($template) : $template; |
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$template = (is_file(WP_CONTENT_DIR.'/'.basename($template))) ? WP_CONTENT_DIR.'/'.basename($template) : $template; |
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|
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if(strpos($attr['player'], 'jwplayer-v7') === 0) // JW Player (new v7). |
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{ |
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$player = trim(c_ws_plugin__s2member_utilities::evl(file_get_contents($template))); |
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|
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$_first_file_download_url = array(); // Holds the first one. |
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$_last_file_download_url = array(); // Holds the last one. |
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$_uses_rtmp_streamers = FALSE; // Streamers use RTMP? |
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|
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$_total_player_sources = count($file_download_urls); // Total sources. |
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$_player_sources_counter = 1; // Player sources counter; needed by the loop below. |
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|
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$player_resolution_aspect_ratio_w = 16; // Default aspect ratio width. |
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$player_resolution_aspect_ratio_h = 9; // Default aspect ratio in height. |
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if($attr['player_aspectratio'] && preg_match('/^[0-9]+\:[0-9]+$/', $attr['player_aspectratio'])) |
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list($player_resolution_aspect_ratio_w, $player_resolution_aspect_ratio_h) = explode(':', $attr['player_aspectratio']); |
| 262 |
$player_resolution_aspect_ratio_w = (int)$player_resolution_aspect_ratio_w; // Force integer value. |
| 263 |
$player_resolution_aspect_ratio_h = (int)$player_resolution_aspect_ratio_h; // Force integer value. |
| 264 |
|
| 265 |
// See: <http://wsharks.com/1yzjAl6> and <http://wsharks.com/1yzkhea> regarging the SMIL bitrate hints given here. |
| 266 |
$player_resolution_bitrates = array(2160 => '35000000', 1440 => '10000000', 1080 => '8000000', 720 => '5000000', 640 => '2500001', 480 => '2500000', 360 => '1000000', 320 => '999999', 240 => '500000', 180 => '300000'); |
| 267 |
$player_resolution_bitrates = apply_filters('ws_plugin__s2member_sc_get_stream_resolution_bitrates', $player_resolution_bitrates, get_defined_vars()); |
| 268 |
|
| 269 |
$player_resolution_sources_smil_file_id = md5(serialize($attr).c_ws_plugin__s2member_utils_ip::current()); // Initialize SMIL ID. |
| 270 |
$player_resolution_sources_smil_file_url = home_url('/s2member-rsf-file.smil?s2member_rsf_file='.urlencode($player_resolution_sources_smil_file_id).'&s2member_rsf_file_ip='.urlencode(c_ws_plugin__s2member_utils_ip::current())); |
| 271 |
$player_resolution_sources_smil_file_url = c_ws_plugin__s2member_utils_urls::add_s2member_sig($player_resolution_sources_smil_file_url); |
| 272 |
$player_resolution_sources_smil_file_contents = ''; // Initialize player sources SMIL file contents. |
| 273 |
$player_sources = array(); //260805 Build source configuration as PHP data before JSON serialization. |
| 274 |
|
| 275 |
foreach($file_download_urls as $_file_download_url_label => $_file_download_url) |
| 276 |
{ |
| 277 |
$_is_first_file_download_url = $_player_sources_counter <= 1; |
| 278 |
$_is_last_file_download_url = $_player_sources_counter >= $_total_player_sources; |
| 279 |
|
| 280 |
if($_is_first_file_download_url) // We base this conditional on the first streamer. |
| 281 |
$_uses_rtmp_streamers = stripos($_file_download_url['streamer'], 'rtmp') === 0; |
| 282 |
|
| 283 |
switch($attr['player'])// See: <http://wsharks.com/1Bd6tKy> |
| 284 |
{ |
| 285 |
case 'jwplayer-v7': // New JW Player v7 (very simple). |
| 286 |
|
| 287 |
//260805 Store source fields as data so the JSON encoder controls all JavaScript syntax. |
| 288 |
$_player_source = array('file' => $_file_download_url['url']); |
| 289 |
if(is_string($_file_download_url_label)) $_player_source['label'] = $_file_download_url_label; |
| 290 |
if($_is_first_file_download_url) $_player_source['default'] = 'true'; |
| 291 |
$player_sources[] = $_player_source; |
| 292 |
|
| 293 |
break; // Break switch loop. |
| 294 |
|
| 295 |
case 'jwplayer-v7-rtmp': // RTMP w/ downloadable fallback (mobile compatibility). |
| 296 |
case 'jwplayer-v7-rtmp-only': // RTMP streaming only (flash player only). |
| 297 |
|
| 298 |
if($attr['player_resolutions'] && $_total_player_sources > 1 && $_uses_rtmp_streamers) |
| 299 |
{ |
| 300 |
if($_is_first_file_download_url) // The first source is the SMIL file. |
| 301 |
{ |
| 302 |
//260805 The generated SMIL URL is serialized as data with the other player sources. |
| 303 |
$_player_source = array('file' => $player_resolution_sources_smil_file_url); |
| 304 |
if($_is_first_file_download_url) $_player_source['default'] = 'true'; |
| 305 |
$player_sources[] = $_player_source; |
| 306 |
} |
| 307 |
$_file_download_url['smil']['height'] = (int)$_file_download_url_label; // e.g., `720p-HD` becomes `720`. |
| 308 |
if(!$_file_download_url['smil']['height']) $_file_download_url['smil']['height'] = 720; // Use a default height if invalid. |
| 309 |
$_file_download_url['smil']['width'] = ceil(($_file_download_url['smil']['height'] / $player_resolution_aspect_ratio_h) * $player_resolution_aspect_ratio_w); |
| 310 |
|
| 311 |
$_file_download_url['smil']['system-bitrate'] = '1'; // Default value. |
| 312 |
if(!empty($player_resolution_bitrates[$_file_download_url['smil']['height']])) |
| 313 |
$_file_download_url['smil']['system-bitrate'] = $player_resolution_bitrates[$_file_download_url['smil']['height']]; |
| 314 |
|
| 315 |
$player_resolution_sources_smil_file_contents .= '<video src="'.esc_attr($_file_download_url['file']).'"'. |
| 316 |
' width="'.esc_attr($_file_download_url['smil']['width']).'"'. |
| 317 |
' height="'.esc_attr($_file_download_url['smil']['height']).'"'. |
| 318 |
' system-bitrate="'.esc_attr($_file_download_url['smil']['system-bitrate']).'" />'; |
| 319 |
} |
| 320 |
else // Build them inline; i.e., don't create a SMIL file in this case; not necessary. |
| 321 |
{ |
| 322 |
//260805 Store RTMP source fields as data before serialization. |
| 323 |
$_player_source = array('file' => $_file_download_url['streamer'].'/'.$_file_download_url['prefix'].$_file_download_url['file']); |
| 324 |
if(is_string($_file_download_url_label)) $_player_source['label'] = $_file_download_url_label; |
| 325 |
if($_is_first_file_download_url) $_player_source['default'] = 'true'; |
| 326 |
$player_sources[] = $_player_source; |
| 327 |
} |
| 328 |
if($_is_last_file_download_url && $attr['player'] === 'jwplayer-v7-rtmp') // Provide a fallback also. |
| 329 |
{ |
| 330 |
//260805 Store the downloadable fallback as data before serialization. |
| 331 |
$player_sources[] = array('file' => $_file_download_url['url']); |
| 332 |
} |
| 333 |
break; // Break switch loop. |
| 334 |
} |
| 335 |
if($_is_first_file_download_url) // Record first one; also run back compat. replacements. |
| 336 |
{ |
| 337 |
$_first_file_download_url = $_file_download_url; // Record for use later. |
| 338 |
//260805 Use literal replacement for legacy placeholders in trusted custom player templates. |
| 339 |
$player = str_replace(array('%%streamer%%', '%%prefix%%', '%%file%%', '%%url%%'), array($_file_download_url['streamer'], $_file_download_url['prefix'], $_file_download_url['file'], $_file_download_url['url']), $player); |
| 340 |
} |
| 341 |
if($_is_last_file_download_url) // Record last one; which could be the same as the first one. |
| 342 |
{ |
| 343 |
$_last_file_download_url = $_file_download_url; // Record for use later. |
| 344 |
} |
| 345 |
$_player_sources_counter++; // Increment the counter. |
| 346 |
} |
| 347 |
//260805 Serialize the complete source list once, including HTML-safe escaping for the inline script context. |
| 348 |
$player_sources = wp_json_encode($player_sources, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); |
| 349 |
if(!is_string($player_sources)) $player_sources = '[]'; |
| 350 |
|
| 351 |
if($player_resolution_sources_smil_file_contents && $_first_file_download_url) // Build SMIL file. |
| 352 |
{ |
| 353 |
$player_resolution_sources_smil_file_contents = '<smil>'. // See: <http://wsharks.com/1ruqGVu> |
| 354 |
' <head><meta base="'.esc_attr($_first_file_download_url['streamer']).'" /></head>'. |
| 355 |
' <body><switch>'.$player_resolution_sources_smil_file_contents.'</switch></body>'. |
| 356 |
'</smil>'; |
| 357 |
set_transient('s2m_rsf_'.$player_resolution_sources_smil_file_id, $player_resolution_sources_smil_file_contents, 86400); |
| 358 |
} |
| 359 |
unset($_first_file_download_url, $_last_file_download_url, $_uses_rtmp_streamers, // Housekeeping. |
| 360 |
$_total_player_sources, $_player_sources_counter, $_is_first_file_download_url, $_is_last_file_download_url, |
| 361 |
$_file_download_url_label, $_file_download_url, $_player_source); |
| 362 |
|
| 363 |
//260805 Parse flexible attributes as data and substitute only values encoded for their exact output contexts. |
| 364 |
$_player_tracks = self::sc_get_stream_json_data($attr['player_tracks'], 'array'); |
| 365 |
$_player_option_blocks = self::sc_get_stream_json_data($attr['player_option_blocks'], 'object-properties'); |
| 366 |
$_player_width = (strpos($attr['player_width'], '%') !== FALSE) ? wp_json_encode((string)$attr['player_width']) : (string)(int)$attr['player_width']; |
| 367 |
$_player_height = $attr['player_aspectratio'] ? '""' : ((strpos($attr['player_height'], '%') !== FALSE) ? wp_json_encode((string)$attr['player_height']) : (string)(int)$attr['player_height']); |
| 368 |
if(!is_string($_player_width)) $_player_width = '480'; |
| 369 |
if(!is_string($_player_height)) $_player_height = '270'; |
| 370 |
|
| 371 |
//260805 strtr() replaces literal placeholders without reprocessing placeholder-like text inside generated values. |
| 372 |
$player = strtr($player, array( |
| 373 |
"'%%player_id%%'" => $player_json_strings['player_id'], |
| 374 |
'%%player_id%%' => esc_attr($attr['player_id']), |
| 375 |
'%%player_path%%' => esc_url($attr['player_path']), |
| 376 |
"'%%player_key%%'" => $player_json_strings['player_key'], |
| 377 |
"'%%player_title%%'" => $player_json_strings['player_title'], |
| 378 |
"'%%player_image%%'" => $player_json_strings['player_image'], |
| 379 |
"'%%player_mediaid%%'" => $player_json_strings['player_mediaid'], |
| 380 |
"'%%player_description%%'" => $player_json_strings['player_description'], |
| 381 |
'%%player_tracks%%' => $_player_tracks, |
| 382 |
'%%player_sources%%' => $player_sources, |
| 383 |
'%%player_controls%%' => filter_var($attr['player_controls'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 384 |
'%%player_width%%' => $_player_width, |
| 385 |
'%%player_height%%' => $_player_height, |
| 386 |
"'%%player_aspectratio%%'" => $player_json_strings['player_aspectratio'], |
| 387 |
"'%%player_stretching%%'" => $player_json_strings['player_stretching'], |
| 388 |
'%%player_autostart%%' => filter_var($attr['player_autostart'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 389 |
'%%player_fallback%%' => filter_var($attr['player_fallback'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 390 |
'%%player_mute%%' => filter_var($attr['player_mute'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 391 |
'%%player_repeat%%' => filter_var($attr['player_repeat'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 392 |
"'%%player_primary%%'" => $player_json_strings['player_primary'], |
| 393 |
'%%player_option_blocks%%' => $_player_option_blocks, |
| 394 |
)); |
| 395 |
unset($_player_tracks, $_player_option_blocks, $_player_width, $_player_height); //260805 Housekeeping. |
| 396 |
} |
| 397 |
else if(strpos($attr['player'], 'jwplayer-v6') === 0) // JW Player (old v6). |
| 398 |
{ |
| 399 |
$player = trim(c_ws_plugin__s2member_utilities::evl(file_get_contents($template))); |
| 400 |
|
| 401 |
$_first_file_download_url = array(); // Holds the first one. |
| 402 |
$_last_file_download_url = array(); // Holds the last one. |
| 403 |
$_uses_rtmp_streamers = FALSE; // Streamers use RTMP? |
| 404 |
|
| 405 |
$_total_player_sources = count($file_download_urls); // Total sources. |
| 406 |
$_player_sources_counter = 1; // Player sources counter; needed by the loop below. |
| 407 |
|
| 408 |
$player_resolution_aspect_ratio_w = 16; // Default aspect ratio width. |
| 409 |
$player_resolution_aspect_ratio_h = 9; // Default aspect ratio in height. |
| 410 |
if($attr['player_aspectratio'] && preg_match('/^[0-9]+\:[0-9]+$/', $attr['player_aspectratio'])) |
| 411 |
list($player_resolution_aspect_ratio_w, $player_resolution_aspect_ratio_h) = explode(':', $attr['player_aspectratio']); |
| 412 |
$player_resolution_aspect_ratio_w = (int)$player_resolution_aspect_ratio_w; // Force integer value. |
| 413 |
$player_resolution_aspect_ratio_h = (int)$player_resolution_aspect_ratio_h; // Force integer value. |
| 414 |
|
| 415 |
// See: <http://wsharks.com/1yzjAl6> and <http://wsharks.com/1yzkhea> regarging the SMIL bitrate hints given here. |
| 416 |
$player_resolution_bitrates = array(2160 => '35000000', 1440 => '10000000', 1080 => '8000000', 720 => '5000000', 640 => '2500001', 480 => '2500000', 360 => '1000000', 320 => '999999', 240 => '500000', 180 => '300000'); |
| 417 |
$player_resolution_bitrates = apply_filters('ws_plugin__s2member_sc_get_stream_resolution_bitrates', $player_resolution_bitrates, get_defined_vars()); |
| 418 |
|
| 419 |
$player_resolution_sources_smil_file_id = md5(serialize($attr).c_ws_plugin__s2member_utils_ip::current()); // Initialize SMIL ID. |
| 420 |
$player_resolution_sources_smil_file_url = home_url('/s2member-rsf-file.smil?s2member_rsf_file='.urlencode($player_resolution_sources_smil_file_id).'&s2member_rsf_file_ip='.urlencode(c_ws_plugin__s2member_utils_ip::current())); |
| 421 |
$player_resolution_sources_smil_file_url = c_ws_plugin__s2member_utils_urls::add_s2member_sig($player_resolution_sources_smil_file_url); |
| 422 |
$player_resolution_sources_smil_file_contents = ''; // Initialize player sources SMIL file contents. |
| 423 |
$player_sources = array(); //260805 Build source configuration as PHP data before JSON serialization. |
| 424 |
|
| 425 |
foreach($file_download_urls as $_file_download_url_label => $_file_download_url) |
| 426 |
{ |
| 427 |
$_is_first_file_download_url = $_player_sources_counter <= 1; |
| 428 |
$_is_last_file_download_url = $_player_sources_counter >= $_total_player_sources; |
| 429 |
|
| 430 |
if($_is_first_file_download_url) // We base this conditional on the first streamer. |
| 431 |
$_uses_rtmp_streamers = stripos($_file_download_url['streamer'], 'rtmp') === 0; |
| 432 |
|
| 433 |
switch($attr['player'])// See: <http://wsharks.com/1Bd6tKy> |
| 434 |
{ |
| 435 |
case 'jwplayer-v6': // Default w/ a direct URL (very simple). |
| 436 |
|
| 437 |
//260805 Store source fields as data so the JSON encoder controls all JavaScript syntax. |
| 438 |
$_player_source = array('file' => $_file_download_url['url']); |
| 439 |
if(is_string($_file_download_url_label)) $_player_source['label'] = $_file_download_url_label; |
| 440 |
if($_is_first_file_download_url) $_player_source['default'] = 'true'; |
| 441 |
$player_sources[] = $_player_source; |
| 442 |
|
| 443 |
break; // Break switch loop. |
| 444 |
|
| 445 |
case 'jwplayer-v6-rtmp': // RTMP w/ downloadable fallback (mobile compatibility). |
| 446 |
case 'jwplayer-v6-rtmp-only': // RTMP streaming only (flash player only). |
| 447 |
|
| 448 |
if($attr['player_resolutions'] && $_total_player_sources > 1 && $_uses_rtmp_streamers) |
| 449 |
{ |
| 450 |
if($_is_first_file_download_url) // The first source is the SMIL file. |
| 451 |
{ |
| 452 |
//260805 The generated SMIL URL is serialized as data with the other player sources. |
| 453 |
$_player_source = array('file' => $player_resolution_sources_smil_file_url); |
| 454 |
if($_is_first_file_download_url) $_player_source['default'] = 'true'; |
| 455 |
$player_sources[] = $_player_source; |
| 456 |
} |
| 457 |
$_file_download_url['smil']['height'] = (int)$_file_download_url_label; // e.g., `720p-HD` becomes `720`. |
| 458 |
if(!$_file_download_url['smil']['height']) $_file_download_url['smil']['height'] = 720; // Use a default height if invalid. |
| 459 |
$_file_download_url['smil']['width'] = ceil(($_file_download_url['smil']['height'] / $player_resolution_aspect_ratio_h) * $player_resolution_aspect_ratio_w); |
| 460 |
|
| 461 |
$_file_download_url['smil']['system-bitrate'] = '1'; // Default value. |
| 462 |
if(!empty($player_resolution_bitrates[$_file_download_url['smil']['height']])) |
| 463 |
$_file_download_url['smil']['system-bitrate'] = $player_resolution_bitrates[$_file_download_url['smil']['height']]; |
| 464 |
|
| 465 |
$player_resolution_sources_smil_file_contents .= '<video src="'.esc_attr($_file_download_url['file']).'"'. |
| 466 |
' width="'.esc_attr($_file_download_url['smil']['width']).'"'. |
| 467 |
' height="'.esc_attr($_file_download_url['smil']['height']).'"'. |
| 468 |
' system-bitrate="'.esc_attr($_file_download_url['smil']['system-bitrate']).'" />'; |
| 469 |
} |
| 470 |
else // Build them inline; i.e., don't create a SMIL file in this case; not necessary. |
| 471 |
{ |
| 472 |
//260805 Store RTMP source fields as data before serialization. |
| 473 |
$_player_source = array('file' => $_file_download_url['streamer'].'/'.$_file_download_url['prefix'].$_file_download_url['file']); |
| 474 |
if(is_string($_file_download_url_label)) $_player_source['label'] = $_file_download_url_label; |
| 475 |
if($_is_first_file_download_url) $_player_source['default'] = 'true'; |
| 476 |
$player_sources[] = $_player_source; |
| 477 |
} |
| 478 |
if($_is_last_file_download_url && $attr['player'] === 'jwplayer-v6-rtmp') // Provide a fallback also. |
| 479 |
{ |
| 480 |
//260805 Store the downloadable fallback as data before serialization. |
| 481 |
$player_sources[] = array('file' => $_file_download_url['url']); |
| 482 |
} |
| 483 |
break; // Break switch loop. |
| 484 |
} |
| 485 |
if($_is_first_file_download_url) // Record first one; also run back compat. replacements. |
| 486 |
{ |
| 487 |
$_first_file_download_url = $_file_download_url; // Record for use later. |
| 488 |
//260805 Use literal replacement for legacy placeholders in trusted custom player templates. |
| 489 |
$player = str_replace(array('%%streamer%%', '%%prefix%%', '%%file%%', '%%url%%'), array($_file_download_url['streamer'], $_file_download_url['prefix'], $_file_download_url['file'], $_file_download_url['url']), $player); |
| 490 |
} |
| 491 |
if($_is_last_file_download_url) // Record last one; which could be the same as the first one. |
| 492 |
{ |
| 493 |
$_last_file_download_url = $_file_download_url; // Record for use later. |
| 494 |
} |
| 495 |
$_player_sources_counter++; // Increment the counter. |
| 496 |
} |
| 497 |
//260805 Serialize the complete source list once, including HTML-safe escaping for the inline script context. |
| 498 |
$player_sources = wp_json_encode($player_sources, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); |
| 499 |
if(!is_string($player_sources)) $player_sources = '[]'; |
| 500 |
|
| 501 |
if($player_resolution_sources_smil_file_contents && $_first_file_download_url) // Build SMIL file. |
| 502 |
{ |
| 503 |
$player_resolution_sources_smil_file_contents = '<smil>'. // See: <http://wsharks.com/1ruqGVu> |
| 504 |
' <head><meta base="'.esc_attr($_first_file_download_url['streamer']).'" /></head>'. |
| 505 |
' <body><switch>'.$player_resolution_sources_smil_file_contents.'</switch></body>'. |
| 506 |
'</smil>'; |
| 507 |
set_transient('s2m_rsf_'.$player_resolution_sources_smil_file_id, $player_resolution_sources_smil_file_contents, 86400); |
| 508 |
} |
| 509 |
unset($_first_file_download_url, $_last_file_download_url, $_uses_rtmp_streamers, // Housekeeping. |
| 510 |
$_total_player_sources, $_player_sources_counter, $_is_first_file_download_url, $_is_last_file_download_url, |
| 511 |
$_file_download_url_label, $_file_download_url, $_player_source); |
| 512 |
|
| 513 |
//260805 Parse flexible attributes as data and substitute only values encoded for their exact output contexts. |
| 514 |
$_player_captions = self::sc_get_stream_json_data($attr['player_captions'], 'array'); |
| 515 |
$_player_option_blocks = self::sc_get_stream_json_data($attr['player_option_blocks'], 'object-properties'); |
| 516 |
$_player_width = (strpos($attr['player_width'], '%') !== FALSE) ? wp_json_encode((string)$attr['player_width']) : (string)(int)$attr['player_width']; |
| 517 |
$_player_height = $attr['player_aspectratio'] ? '""' : ((strpos($attr['player_height'], '%') !== FALSE) ? wp_json_encode((string)$attr['player_height']) : (string)(int)$attr['player_height']); |
| 518 |
if(!is_string($_player_width)) $_player_width = '480'; |
| 519 |
if(!is_string($_player_height)) $_player_height = '270'; |
| 520 |
|
| 521 |
//260805 strtr() replaces literal placeholders without reprocessing placeholder-like text inside generated values. |
| 522 |
$player = strtr($player, array( |
| 523 |
"'%%player_id%%'" => $player_json_strings['player_id'], |
| 524 |
'%%player_id%%' => esc_attr($attr['player_id']), |
| 525 |
'%%player_path%%' => esc_url($attr['player_path']), |
| 526 |
"'%%player_key%%'" => $player_json_strings['player_key'], |
| 527 |
"'%%player_title%%'" => $player_json_strings['player_title'], |
| 528 |
"'%%player_image%%'" => $player_json_strings['player_image'], |
| 529 |
"'%%player_mediaid%%'" => $player_json_strings['player_mediaid'], |
| 530 |
"'%%player_description%%'" => $player_json_strings['player_description'], |
| 531 |
'%%player_captions%%' => $_player_captions, |
| 532 |
'%%player_sources%%' => $player_sources, |
| 533 |
'%%player_controls%%' => filter_var($attr['player_controls'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 534 |
"'%%player_skin%%'" => $player_json_strings['player_skin'], |
| 535 |
"'%%player_stretching%%'" => $player_json_strings['player_stretching'], |
| 536 |
'%%player_width%%' => $_player_width, |
| 537 |
'%%player_height%%' => $_player_height, |
| 538 |
"'%%player_aspectratio%%'" => $player_json_strings['player_aspectratio'], |
| 539 |
'%%player_autostart%%' => filter_var($attr['player_autostart'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 540 |
'%%player_fallback%%' => filter_var($attr['player_fallback'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 541 |
'%%player_mute%%' => filter_var($attr['player_mute'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 542 |
"'%%player_primary%%'" => $player_json_strings['player_primary'], |
| 543 |
'%%player_repeat%%' => filter_var($attr['player_repeat'], FILTER_VALIDATE_BOOLEAN) ? 'true' : 'false', |
| 544 |
"'%%player_startparam%%'" => $player_json_strings['player_startparam'], |
| 545 |
'%%player_option_blocks%%' => $_player_option_blocks, |
| 546 |
)); |
| 547 |
unset($_player_captions, $_player_option_blocks, $_player_width, $_player_height); //260805 Housekeeping. |
| 548 |
} |
| 549 |
} |
| 550 |
} |
| 551 |
unset($player_json_strings, $player_templates, $player_paths); //260805 Housekeeping. |
| 552 |
return apply_filters('ws_plugin__s2member_sc_get_stream', isset($player) ? $player : NULL, get_defined_vars()); |
| 553 |
} |
| 554 |
|
| 555 |
/** |
| 556 |
* Parses a structured player attribute and returns safe JSON for the existing template placeholder. |
| 557 |
* |
| 558 |
* @package s2Member\s2File |
| 559 |
* @since 260805 |
| 560 |
* |
| 561 |
* @param mixed $value Attribute value, optionally base64 encoded. |
| 562 |
* @param string $container Expected top-level container: `array` or `object-properties`. |
| 563 |
* |
| 564 |
* @return string Safe JSON, or the appropriate empty value when invalid. |
| 565 |
*/ |
| 566 |
protected static function sc_get_stream_json_data($value = '', $container = 'array') |
| 567 |
{ |
| 568 |
$value = trim((string)$value); |
| 569 |
$empty = ($container === 'array') ? '[]' : ''; |
| 570 |
if($value === '') |
| 571 |
return $empty; |
| 572 |
|
| 573 |
//260805 Try the documented plain-text form first, then a canonical strict-base64 form for backward compatibility. |
| 574 |
$candidates = array($value); |
| 575 |
$_base64 = preg_replace('/\s+/', '', $value); |
| 576 |
if($_base64 !== '' && preg_match('/^[A-Za-z0-9+\/]+={0,2}$/D', $_base64)) |
| 577 |
{ |
| 578 |
$_decoded = base64_decode($_base64, TRUE); |
| 579 |
if($_decoded !== FALSE && rtrim(base64_encode($_decoded), '=') === rtrim($_base64, '=')) |
| 580 |
$candidates[] = trim($_decoded); |
| 581 |
} |
| 582 |
unset($_base64, $_decoded); //260805 Housekeeping. |
| 583 |
|
| 584 |
foreach($candidates as $_candidate) |
| 585 |
{ |
| 586 |
//260805 Bound parser work and reject oversized shortcode configuration instead of attempting partial recovery. |
| 587 |
if($_candidate === '' || strlen($_candidate) > 65536) |
| 588 |
continue; |
| 589 |
|
| 590 |
$_candidate = trim($_candidate); |
| 591 |
if($container === 'array') |
| 592 |
$_input = (substr($_candidate, 0, 1) === '[') ? $_candidate : '['.$_candidate.']'; |
| 593 |
else $_input = (substr($_candidate, 0, 1) === '{' && substr($_candidate, -1) === '}') ? $_candidate : '{'.$_candidate.'}'; |
| 594 |
|
| 595 |
$_position = 0; |
| 596 |
$_parsed = self::sc_parse_stream_data($_input, $_position); |
| 597 |
while(isset($_input[$_position]) && strpos(" \t\r\n\f\v", $_input[$_position]) !== FALSE) |
| 598 |
$_position++; |
| 599 |
if(!$_parsed[0] || $_position !== strlen($_input)) |
| 600 |
continue; |
| 601 |
if($container === 'array' && !is_array($_parsed[1])) |
| 602 |
continue; |
| 603 |
if($container === 'object-properties' && !is_object($_parsed[1])) |
| 604 |
continue; |
| 605 |
|
| 606 |
if($container === 'object-properties') |
| 607 |
{ |
| 608 |
//260805 These top-level JW Player settings can select or load executable player/plugin code and are not accepted from post content. |
| 609 |
foreach(array_keys(get_object_vars($_parsed[1])) as $_property) |
| 610 |
if(in_array(strtolower($_property), array('plugins', 'html5player', 'flashplayer', 'flashloader', 'modes', 'base'), TRUE)) |
| 611 |
continue 2; |
| 612 |
} |
| 613 |
|
| 614 |
$_json = wp_json_encode($_parsed[1], JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT); |
| 615 |
if(!is_string($_json)) |
| 616 |
continue; |
| 617 |
|
| 618 |
//260805 Option blocks already sit inside setup object braces, so return only the safely generated object properties there. |
| 619 |
return ($container === 'array') ? $_json : substr($_json, 1, -1); |
| 620 |
} |
| 621 |
return $empty; |
| 622 |
} |
| 623 |
|
| 624 |
/** |
| 625 |
* Parses the data-only subset of legacy JavaScript object notation used by player shortcode attributes. |
| 626 |
* |
| 627 |
* @package s2Member\s2File |
| 628 |
* @since 260805 |
| 629 |
* |
| 630 |
* @param string $input Input being parsed. |
| 631 |
* @param integer $position Current byte offset, passed by reference. |
| 632 |
* @param integer $depth Current nesting depth. |
| 633 |
* |
| 634 |
* @return array A `(success, value)` pair. |
| 635 |
*/ |
| 636 |
protected static function sc_parse_stream_data($input, &$position, $depth = 0) |
| 637 |
{ |
| 638 |
$length = strlen($input); |
| 639 |
while($position < $length && strpos(" \t\r\n\f\v", $input[$position]) !== FALSE) |
| 640 |
$position++; |
| 641 |
if($position >= $length || $depth > 32) |
| 642 |
return array(FALSE, NULL); |
| 643 |
|
| 644 |
$character = $input[$position]; |
| 645 |
if($character === '{') |
| 646 |
{ |
| 647 |
$position++; |
| 648 |
$object = new stdClass(); |
| 649 |
while(TRUE) |
| 650 |
{ |
| 651 |
while($position < $length && strpos(" \t\r\n\f\v", $input[$position]) !== FALSE) |
| 652 |
$position++; |
| 653 |
if($position < $length && $input[$position] === '}') |
| 654 |
{ |
| 655 |
$position++; |
| 656 |
return array(TRUE, $object); |
| 657 |
} |
| 658 |
|
| 659 |
if($position < $length && ($input[$position] === "'" || $input[$position] === '"')) |
| 660 |
{ |
| 661 |
$_key = self::sc_parse_stream_data($input, $position, $depth); |
| 662 |
if(!$_key[0] || !is_string($_key[1])) |
| 663 |
return array(FALSE, NULL); |
| 664 |
$key = $_key[1]; |
| 665 |
} |
| 666 |
else |
| 667 |
{ |
| 668 |
if(!preg_match('/^[A-Za-z_$][A-Za-z0-9_$]*/', substr($input, $position), $_key)) |
| 669 |
return array(FALSE, NULL); |
| 670 |
$key = $_key[0]; |
| 671 |
$position += strlen($key); |
| 672 |
} |
| 673 |
if(in_array(strtolower($key), array('__proto__', 'prototype', 'constructor'), TRUE)) |
| 674 |
return array(FALSE, NULL); |
| 675 |
|
| 676 |
while($position < $length && strpos(" \t\r\n\f\v", $input[$position]) !== FALSE) |
| 677 |
$position++; |
| 678 |
if($position >= $length || $input[$position] !== ':') |
| 679 |
return array(FALSE, NULL); |
| 680 |
$position++; |
| 681 |
|
| 682 |
$_value = self::sc_parse_stream_data($input, $position, $depth + 1); |
| 683 |
if(!$_value[0]) |
| 684 |
return array(FALSE, NULL); |
| 685 |
$object->{$key} = $_value[1]; |
| 686 |
|
| 687 |
while($position < $length && strpos(" \t\r\n\f\v", $input[$position]) !== FALSE) |
| 688 |
$position++; |
| 689 |
if($position < $length && $input[$position] === ',') |
| 690 |
{ |
| 691 |
$position++; |
| 692 |
continue; |
| 693 |
} |
| 694 |
if($position < $length && $input[$position] === '}') |
| 695 |
{ |
| 696 |
$position++; |
| 697 |
return array(TRUE, $object); |
| 698 |
} |
| 699 |
return array(FALSE, NULL); |
| 700 |
} |
| 701 |
} |
| 702 |
if($character === '[') |
| 703 |
{ |
| 704 |
$position++; |
| 705 |
$array = array(); |
| 706 |
while(TRUE) |
| 707 |
{ |
| 708 |
while($position < $length && strpos(" \t\r\n\f\v", $input[$position]) !== FALSE) |
| 709 |
$position++; |
| 710 |
if($position < $length && $input[$position] === ']') |
| 711 |
{ |
| 712 |
$position++; |
| 713 |
return array(TRUE, $array); |
| 714 |
} |
| 715 |
|
| 716 |
$_value = self::sc_parse_stream_data($input, $position, $depth + 1); |
| 717 |
if(!$_value[0]) |
| 718 |
return array(FALSE, NULL); |
| 719 |
$array[] = $_value[1]; |
| 720 |
|
| 721 |
while($position < $length && strpos(" \t\r\n\f\v", $input[$position]) !== FALSE) |
| 722 |
$position++; |
| 723 |
if($position < $length && $input[$position] === ',') |
| 724 |
{ |
| 725 |
$position++; |
| 726 |
continue; |
| 727 |
} |
| 728 |
if($position < $length && $input[$position] === ']') |
| 729 |
{ |
| 730 |
$position++; |
| 731 |
return array(TRUE, $array); |
| 732 |
} |
| 733 |
return array(FALSE, NULL); |
| 734 |
} |
| 735 |
} |
| 736 |
if($character === "'" || $character === '"') |
| 737 |
{ |
| 738 |
$quote = $character; |
| 739 |
$string = ''; |
| 740 |
$position++; |
| 741 |
while($position < $length) |
| 742 |
{ |
| 743 |
$character = $input[$position++]; |
| 744 |
if($character === $quote) |
| 745 |
{ |
| 746 |
//260805 Reject executable URL schemes even when hidden with whitespace or control characters inside structured data. |
| 747 |
$_scheme = strtolower(preg_replace('/[\x00-\x20]+/', '', $string)); |
| 748 |
if(preg_match('/^(?:javascript|vbscript):/i', $_scheme)) |
| 749 |
return array(FALSE, NULL); |
| 750 |
return array(TRUE, $string); |
| 751 |
} |
| 752 |
if($character === '\\') |
| 753 |
{ |
| 754 |
if($position >= $length) |
| 755 |
return array(FALSE, NULL); |
| 756 |
$_escape = $input[$position++]; |
| 757 |
switch($_escape) |
| 758 |
{ |
| 759 |
case "'": case '"': case '\\': case '/': $string .= $_escape; break; |
| 760 |
case 'b': $string .= "\x08"; break; |
| 761 |
case 'f': $string .= "\x0C"; break; |
| 762 |
case 'n': $string .= "\n"; break; |
| 763 |
case 'r': $string .= "\r"; break; |
| 764 |
case 't': $string .= "\t"; break; |
| 765 |
case 'v': $string .= "\x0B"; break; |
| 766 |
case "\n": break; |
| 767 |
case "\r": if($position < $length && $input[$position] === "\n") $position++; break; |
| 768 |
case '0': |
| 769 |
if($position < $length && ctype_digit($input[$position])) return array(FALSE, NULL); |
| 770 |
$string .= "\0"; |
| 771 |
break; |
| 772 |
case 'x': |
| 773 |
$_hex = substr($input, $position, 2); |
| 774 |
if(strlen($_hex) !== 2 || !ctype_xdigit($_hex)) return array(FALSE, NULL); |
| 775 |
$_unicode = json_decode('"\\u00'.$_hex.'"'); |
| 776 |
if(!is_string($_unicode)) return array(FALSE, NULL); |
| 777 |
$string .= $_unicode; |
| 778 |
$position += 2; |
| 779 |
break; |
| 780 |
case 'u': |
| 781 |
$_hex = substr($input, $position, 4); |
| 782 |
if(strlen($_hex) !== 4 || !ctype_xdigit($_hex)) return array(FALSE, NULL); |
| 783 |
$_unicode_escape = '\\u'.$_hex; |
| 784 |
$position += 4; |
| 785 |
if(hexdec($_hex) >= 0xD800 && hexdec($_hex) <= 0xDBFF) |
| 786 |
{ |
| 787 |
if(substr($input, $position, 2) !== '\u') return array(FALSE, NULL); |
| 788 |
$_low_hex = substr($input, $position + 2, 4); |
| 789 |
if(strlen($_low_hex) !== 4 || !ctype_xdigit($_low_hex) || hexdec($_low_hex) < 0xDC00 || hexdec($_low_hex) > 0xDFFF) return array(FALSE, NULL); |
| 790 |
$_unicode_escape .= '\\u'.$_low_hex; |
| 791 |
$position += 6; |
| 792 |
} |
| 793 |
$_unicode = json_decode('"'.$_unicode_escape.'"'); |
| 794 |
if(!is_string($_unicode)) return array(FALSE, NULL); |
| 795 |
$string .= $_unicode; |
| 796 |
break; |
| 797 |
default: $string .= $_escape; break; |
| 798 |
} |
| 799 |
} |
| 800 |
else |
| 801 |
{ |
| 802 |
if(ord($character) < 32) |
| 803 |
return array(FALSE, NULL); |
| 804 |
$string .= $character; |
| 805 |
} |
| 806 |
} |
| 807 |
return array(FALSE, NULL); |
| 808 |
} |
| 809 |
if($character === '-' || ctype_digit($character)) |
| 810 |
{ |
| 811 |
if(!preg_match('/^-?(?:0|[1-9][0-9]*)(?:\.[0-9]+)?(?:[eE][+\-]?[0-9]+)?/', substr($input, $position), $_number)) |
| 812 |
return array(FALSE, NULL); |
| 813 |
$position += strlen($_number[0]); |
| 814 |
$_value = json_decode($_number[0]); |
| 815 |
if(json_last_error() !== JSON_ERROR_NONE || (is_float($_value) && !is_finite($_value))) |
| 816 |
return array(FALSE, NULL); |
| 817 |
return array(TRUE, $_value); |
| 818 |
} |
| 819 |
foreach(array('true' => TRUE, 'false' => FALSE, 'null' => NULL) as $_literal => $_value) |
| 820 |
if(substr($input, $position, strlen($_literal)) === $_literal) |
| 821 |
{ |
| 822 |
$position += strlen($_literal); |
| 823 |
return array(TRUE, $_value); |
| 824 |
} |
| 825 |
return array(FALSE, NULL); |
| 826 |
} |
| 827 |
} |
| 828 |
} |
| 829 |
|
