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Editing: Enclosure.php
<?php // SPDX-FileCopyrightText: 2004-2023 Ryan Parman, Sam Sneddon, Ryan McCue // SPDX-License-Identifier: BSD-3-Clause declare(strict_types=1); namespace SimplePie; /** * Handles everything related to enclosures (including Media RSS and iTunes RSS) * * Used by {@see \SimplePie\Item::get_enclosure()} and {@see \SimplePie\Item::get_enclosures()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_enclosure_class()} */ class Enclosure { /** * @var ?string * @see get_bitrate() */ public $bitrate; /** * @var Caption[]|null * @see get_captions() */ public $captions; /** * @var Category[]|null * @see get_categories() */ public $categories; /** * @var ?int * @see get_channels() */ public $channels; /** * @var ?Copyright * @see get_copyright() */ public $copyright; /** * @var Credit[]|null * @see get_credits() */ public $credits; /** * @var ?string * @see get_description() */ public $description; /** * @var ?int * @see get_duration() */ public $duration; /** * @var ?string * @see get_expression() */ public $expression; /** * @var ?string * @see get_framerate() */ public $framerate; /** * @var ?string * @see get_handler() */ public $handler; /** * @var string[]|null * @see get_hashes() */ public $hashes; /** * @var ?string * @see get_height() */ public $height; /** * @deprecated * @var null */ public $javascript; /** * @var string[]|null * @see get_keywords() */ public $keywords; /** * @var ?string * @see get_language() */ public $lang; /** * @var ?int * @see get_length() */ public $length; /** * @var ?string * @see get_link() */ public $link; /** * @var ?string * @see get_medium() */ public $medium; /** * @var ?string * @see get_player() */ public $player; /** * @var Rating[]|null * @see get_ratings() */ public $ratings; /** * @var ?Restriction[] * @see get_restrictions() */ public $restrictions; /** * @var ?string * @see get_sampling_rate() */ public $samplingrate; /** * @var string[]|null * @see get_thumbnails() */ public $thumbnails; /** * @var ?string * @see get_title() */ public $title; /** * @var ?string * @see get_type() */ public $type; /** * @var ?string * @see get_width() */ public $width; /** * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors * * @uses idn_to_ascii If available, this will convert an IDN * * @param null $javascript * @param Caption[]|null $captions * @param Category[]|null $categories * @param Credit[]|null $credits * @param string[]|null $hashes * @param string[]|null $keywords * @param Rating[]|null $ratings * @param Restriction[]|null $restrictions * @param string[]|null $thumbnails */ public function __construct( ?string $link = null, ?string $type = null, ?int $length = null, $javascript = null, ?string $bitrate = null, ?array $captions = null, ?array $categories = null, ?int $channels = null, ?Copyright $copyright = null, ?array $credits = null, ?string $description = null, ?int $duration = null, ?string $expression = null, ?string $framerate = null, ?array $hashes = null, ?string $height = null, ?array $keywords = null, ?string $lang = null, ?string $medium = null, ?string $player = null, ?array $ratings = null, ?array $restrictions = null, ?string $samplingrate = null, ?array $thumbnails = null, ?string $title = null, ?string $width = null ) { $this->bitrate = $bitrate; $this->captions = $captions; $this->categories = $categories; $this->channels = $channels; $this->copyright = $copyright; $this->credits = $credits; $this->description = $description; $this->duration = $duration; $this->expression = $expression; $this->framerate = $framerate; $this->hashes = $hashes; $this->height = $height; $this->keywords = $keywords; $this->lang = $lang; $this->length = $length; $this->link = $link; $this->medium = $medium; $this->player = $player; $this->ratings = $ratings; $this->restrictions = $restrictions; $this->samplingrate = $samplingrate; $this->thumbnails = $thumbnails; $this->title = $title; $this->type = $type; $this->width = $width; if (function_exists('idn_to_ascii')) { $parsed = \SimplePie\Misc::parse_url($link ?? ''); if ($parsed['authority'] !== '' && !ctype_print($parsed['authority'])) { $authority = (string) \idn_to_ascii($parsed['authority'], \IDNA_NONTRANSITIONAL_TO_ASCII, \INTL_IDNA_VARIANT_UTS46); $this->link = \SimplePie\Misc::compress_parse_url($parsed['scheme'], $authority, $parsed['path'], $parsed['query'], $parsed['fragment']); } } $this->handler = $this->get_handler(); // Needs to load last } /** * String-ified version * * @return string */ public function __toString() { // There is no $this->data here return md5(serialize($this)); } /** * Get the bitrate * * @return string|null */ public function get_bitrate() { if ($this->bitrate !== null) { return $this->bitrate; } return null; } /** * Get a single caption * * @param int $key * @return \SimplePie\Caption|null */ public function get_caption(int $key = 0) { $captions = $this->get_captions(); if (isset($captions[$key])) { return $captions[$key]; } return null; } /** * Get all captions * * @return Caption[]|null */ public function get_captions() { if ($this->captions !== null) { return $this->captions; } return null; } /** * Get a single category * * @param int $key * @return \SimplePie\Category|null */ public function get_category(int $key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } /** * Get all categories * * @return \SimplePie\Category[]|null */ public function get_categories() { if ($this->categories !== null) { return $this->categories; } return null; } /** * Get the number of audio channels * * @return int|null */ public function get_channels() { if ($this->channels !== null) { return $this->channels; } return null; } /** * Get the copyright information * * @return \SimplePie\Copyright|null */ public function get_copyright() { if ($this->copyright !== null) { return $this->copyright; } return null; } /** * Get a single credit * * @param int $key * @return \SimplePie\Credit|null */ public function get_credit(int $key = 0) { $credits = $this->get_credits(); if (isset($credits[$key])) { return $credits[$key]; } return null; } /** * Get all credits * * @return Credit[]|null */ public function get_credits() { if ($this->credits !== null) { return $this->credits; } return null; } /** * Get the description of the enclosure * * @return string|null */ public function get_description() { if ($this->description !== null) { return $this->description; } return null; } /** * Get the duration of the enclosure * * @param bool $convert Convert seconds into hh:mm:ss * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found) */ public function get_duration(bool $convert = false) { if ($this->duration !== null) { if ($convert) { $time = \SimplePie\Misc::time_hms($this->duration); return $time; } return $this->duration; } return null; } /** * Get the expression * * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full' */ public function get_expression() { if ($this->expression !== null) { return $this->expression; } return 'full'; } /** * Get the file extension * * @return string|null */ public function get_extension() { if ($this->link !== null) { $url = \SimplePie\Misc::parse_url($this->link); if ($url['path'] !== '') { return pathinfo($url['path'], PATHINFO_EXTENSION); } } return null; } /** * Get the framerate (in frames-per-second) * * @return string|null */ public function get_framerate() { if ($this->framerate !== null) { return $this->framerate; } return null; } /** * Get the preferred handler * * @return string|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3' */ public function get_handler() { return $this->get_real_type(true); } /** * Get a single hash * * @link http://www.rssboard.org/media-rss#media-hash * @param int $key * @return string|null Hash as per `media:hash`, prefixed with "$algo:" */ public function get_hash(int $key = 0) { $hashes = $this->get_hashes(); if (isset($hashes[$key])) { return $hashes[$key]; } return null; } /** * Get all credits * * @return string[]|null Array of strings, see {@see get_hash()} */ public function get_hashes() { if ($this->hashes !== null) { return $this->hashes; } return null; } /** * Get the height * * @return string|null */ public function get_height() { if ($this->height !== null) { return $this->height; } return null; } /** * Get the language * * @link http://tools.ietf.org/html/rfc3066 * @return string|null Language code as per RFC 3066 */ public function get_language() { if ($this->lang !== null) { return $this->lang; } return null; } /** * Get a single keyword * * @param int $key * @return string|null */ public function get_keyword(int $key = 0) { $keywords = $this->get_keywords(); if (isset($keywords[$key])) { return $keywords[$key]; } return null; } /** * Get all keywords * * @return string[]|null */ public function get_keywords() { if ($this->keywords !== null) { return $this->keywords; } return null; } /** * Get length * * @return ?int Length in bytes */ public function get_length() { if ($this->length !== null) { return $this->length; } return null; } /** * Get the URL * * @return string|null */ public function get_link() { if ($this->link !== null) { return $this->link; } return null; } /** * Get the medium * * @link http://www.rssboard.org/media-rss#media-content * @return string|null Should be one of 'image', 'audio', 'video', 'document', 'executable' */ public function get_medium() { if ($this->medium !== null) { return $this->medium; } return null; } /** * Get the player URL * * Typically the same as {@see get_permalink()} * @return string|null Player URL */ public function get_player() { if ($this->player !== null) { return $this->player; } return null; } /** * Get a single rating * * @param int $key * @return \SimplePie\Rating|null */ public function get_rating(int $key = 0) { $ratings = $this->get_ratings(); if (isset($ratings[$key])) { return $ratings[$key]; } return null; } /** * Get all ratings * * @return Rating[]|null */ public function get_ratings() { if ($this->ratings !== null) { return $this->ratings; } return null; } /** * Get a single restriction * * @param int $key * @return \SimplePie\Restriction|null */ public function get_restriction(int $key = 0) { $restrictions = $this->get_restrictions(); if (isset($restrictions[$key])) { return $restrictions[$key]; } return null; } /** * Get all restrictions * * @return Restriction[]|null */ public function get_restrictions() { if ($this->restrictions !== null) { return $this->restrictions; } return null; } /** * Get the sampling rate (in kHz) * * @return string|null */ public function get_sampling_rate() { if ($this->samplingrate !== null) { return $this->samplingrate; } return null; } /** * Get the file size (in MiB) * * @return float|null File size in mebibytes (1048 bytes) */ public function get_size() { $length = $this->get_length(); if ($length !== null) { return round($length / 1048576, 2); } return null; } /** * Get a single thumbnail * * @param int $key * @return string|null Thumbnail URL */ public function get_thumbnail(int $key = 0) { $thumbnails = $this->get_thumbnails(); if (isset($thumbnails[$key])) { return $thumbnails[$key]; } return null; } /** * Get all thumbnails * * @return string[]|null Array of thumbnail URLs */ public function get_thumbnails() { if ($this->thumbnails !== null) { return $this->thumbnails; } return null; } /** * Get the title * * @return string|null */ public function get_title() { if ($this->title !== null) { return $this->title; } return null; } /** * Get mimetype of the enclosure * * @see get_real_type() * @return string|null MIME type */ public function get_type() { if ($this->type !== null) { return $this->type; } return null; } /** * Get the width * * @return string|null */ public function get_width() { if ($this->width !== null) { return $this->width; } return null; } /** * Embed the enclosure using `<embed>` * * @deprecated Use the second parameter to {@see embed} instead * * @param array<string, mixed>|string $options See first parameter to {@see embed} * @return string HTML string to output */ public function native_embed($options = '') { return $this->embed($options, true); } /** * Embed the enclosure using Javascript * * `$options` is an array or comma-separated key:value string, with the * following properties: * * - `alt` (string): Alternate content for when an end-user does not have * the appropriate handler installed or when a file type is * unsupported. Can be any text or HTML. Defaults to blank. * - `altclass` (string): If a file type is unsupported, the end-user will * see the alt text (above) linked directly to the content. That link * will have this value as its class name. Defaults to blank. * - `audio` (string): This is an image that should be used as a * placeholder for audio files before they're loaded (QuickTime-only). * Can be any relative or absolute URL. Defaults to blank. * - `bgcolor` (string): The background color for the media, if not * already transparent. Defaults to `#ffffff`. * - `height` (integer): The height of the embedded media. Accepts any * numeric pixel value (such as `360`) or `auto`. Defaults to `auto`, * and it is recommended that you use this default. * - `loop` (boolean): Do you want the media to loop when it's done? * Defaults to `false`. * - `mediaplayer` (string): The location of the included * `mediaplayer.swf` file. This allows for the playback of Flash Video * (`.flv`) files, and is the default handler for non-Odeo MP3's. * Defaults to blank. * - `video` (string): This is an image that should be used as a * placeholder for video files before they're loaded (QuickTime-only). * Can be any relative or absolute URL. Defaults to blank. * - `width` (integer): The width of the embedded media. Accepts any * numeric pixel value (such as `480`) or `auto`. Defaults to `auto`, * and it is recommended that you use this default. * - `widescreen` (boolean): Is the enclosure widescreen or standard? * This applies only to video enclosures, and will automatically resize * the content appropriately. Defaults to `false`, implying 4:3 mode. * * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto` * will default to 480x360 video resolution. Widescreen (16:9) mode with * `width` and `height` set to `auto` will default to 480x270 video resolution. * * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'. * @param array<string, mixed>|string $options Comma-separated key:value list, or array * @param bool $native Use `<embed>` * @return string HTML string to output */ public function embed($options = '', bool $native = false) { // Set up defaults $audio = ''; $video = ''; $alt = ''; $altclass = ''; $loop = 'false'; $width = 'auto'; $height = 'auto'; $bgcolor = '#ffffff'; $mediaplayer = ''; $widescreen = false; $handler = $this->get_handler(); $type = $this->get_real_type(); $placeholder = ''; // Process options and reassign values as necessary if (is_array($options)) { extract($options); } else { $options = explode(',', $options); foreach ($options as $option) { $opt = explode(':', $option, 2); if (isset($opt[0], $opt[1])) { $opt[0] = trim($opt[0]); $opt[1] = trim($opt[1]); switch ($opt[0]) { case 'audio': $audio = $opt[1]; break; case 'video': $video = $opt[1]; break; case 'alt': $alt = $opt[1]; break; case 'altclass': $altclass = $opt[1]; break; case 'loop': $loop = $opt[1]; break; case 'width': $width = $opt[1]; break; case 'height': $height = $opt[1]; break; case 'bgcolor': $bgcolor = $opt[1]; break; case 'mediaplayer': $mediaplayer = $opt[1]; break; case 'widescreen': $widescreen = $opt[1]; break; } } } } $mime = explode('/', (string) $type, 2); $mime = $mime[0]; // Process values for 'auto' if ($width === 'auto') { if ($mime === 'video') { if ($height === 'auto') { $width = 480; } elseif ($widescreen) { $width = round((intval($height) / 9) * 16); } else { $width = round((intval($height) / 3) * 4); } } else { $width = '100%'; } } if ($height === 'auto') { if ($mime === 'audio') { $height = 0; } elseif ($mime === 'video') { if ($width === 'auto') { if ($widescreen) { $height = 270; } else { $height = 360; } } elseif ($widescreen) { $height = round((intval($width) / 16) * 9); } else { $height = round((intval($width) / 4) * 3); } } else { $height = 376; } } elseif ($mime === 'audio') { $height = 0; } // Set proper placeholder value if ($mime === 'audio') { $placeholder = $audio; } elseif ($mime === 'video') { $placeholder = $video; } $embed = ''; // Flash if ($handler === 'flash') { if ($native) { $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>"; } } // Flash Media Player file types. // Preferred handler for MP3 file types. elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== '')) { if (is_numeric($height)) { $height += 20; } if ($native) { $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>"; } } // QuickTime 7 file types. Need to test with QuickTime 6. // Only handle MP3's if the Flash Media Player is not present. elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === '')) { if (is_numeric($height)) { $height += 16; } if ($native) { if ($placeholder !== '') { $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; } else { $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; } } else { $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>"; } } // Windows Media elseif ($handler === 'wmedia') { if (is_numeric($height)) { $height += 45; } if ($native) { $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>"; } } // Everything else else { $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>'; } return $embed; } /** * Get the real media type * * Often, feeds lie to us, necessitating a bit of deeper inspection. This * converts types to their canonical representations based on the file * extension * * @see get_type() * @param bool $find_handler Internal use only, use {@see get_handler()} instead * @return string|null MIME type */ public function get_real_type(bool $find_handler = false) { // Mime-types by handler. $types_flash = ['application/x-shockwave-flash', 'application/futuresplash']; // Flash $types_fmedia = ['video/flv', 'video/x-flv','flv-application/octet-stream']; // Flash Media Player $types_quicktime = ['audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video']; // QuickTime $types_wmedia = ['application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx']; // Windows Media $types_mp3 = ['audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg']; // MP3 $type = $this->get_type(); if ($type !== null) { $type = strtolower($type); } // If we encounter an unsupported mime-type, check the file extension and guess intelligently. if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3))) { $extension = $this->get_extension(); if ($extension === null) { return null; } switch (strtolower($extension)) { // Audio mime-types case 'aac': case 'adts': $type = 'audio/acc'; break; case 'aif': case 'aifc': case 'aiff': case 'cdda': $type = 'audio/aiff'; break; case 'bwf': $type = 'audio/wav'; break; case 'kar': case 'mid': case 'midi': case 'smf': $type = 'audio/midi'; break; case 'm4a': $type = 'audio/x-m4a'; break; case 'mp3': case 'swa': $type = 'audio/mp3'; break; case 'wav': $type = 'audio/wav'; break; case 'wax': $type = 'audio/x-ms-wax'; break; case 'wma': $type = 'audio/x-ms-wma'; break; case '3gp': case '3gpp': // Video mime-types $type = 'video/3gpp'; break; case '3g2': case '3gp2': $type = 'video/3gpp2'; break; case 'asf': $type = 'video/x-ms-asf'; break; case 'flv': $type = 'video/x-flv'; break; case 'm1a': case 'm1s': case 'm1v': case 'm15': case 'm75': case 'mp2': case 'mpa': case 'mpeg': case 'mpg': case 'mpm': case 'mpv': $type = 'video/mpeg'; break; case 'm4v': $type = 'video/x-m4v'; break; case 'mov': case 'qt': $type = 'video/quicktime'; break; case 'mp4': case 'mpg4': $type = 'video/mp4'; break; case 'sdv': $type = 'video/sd-video'; break; case 'wm': $type = 'video/x-ms-wm'; break; case 'wmv': $type = 'video/x-ms-wmv'; break; case 'wvx': $type = 'video/x-ms-wvx'; break; case 'spl': // Flash mime-types $type = 'application/futuresplash'; break; case 'swf': $type = 'application/x-shockwave-flash'; break; } } if ($find_handler) { if (in_array($type, $types_flash)) { return 'flash'; } elseif (in_array($type, $types_fmedia)) { return 'fmedia'; } elseif (in_array($type, $types_quicktime)) { return 'quicktime'; } elseif (in_array($type, $types_wmedia)) { return 'wmedia'; } elseif (in_array($type, $types_mp3)) { return 'mp3'; } return null; } return $type; } } class_alias('SimplePie\Enclosure', 'SimplePie_Enclosure');
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