diff -r 3d4e9c994f10 -r a86126ab1dd4 wp/wp-includes/SimplePie/Parser.php --- a/wp/wp-includes/SimplePie/Parser.php Tue Oct 22 16:11:46 2019 +0200 +++ b/wp/wp-includes/SimplePie/Parser.php Tue Dec 15 13:49:49 2020 +0100 @@ -5,7 +5,7 @@ * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * - * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are @@ -33,10 +33,9 @@ * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie - * @version 1.3.1 - * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman - * @author Geoffrey Sneddon + * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License @@ -75,8 +74,22 @@ $this->registry = $registry; } - public function parse(&$data, $encoding) + public function parse(&$data, $encoding, $url = '') { + if (class_exists('DOMXpath') && function_exists('Mf2\parse')) { + $doc = new DOMDocument(); + @$doc->loadHTML($data); + $xpath = new DOMXpath($doc); + // Check for both h-feed and h-entry, as both a feed with no entries + // and a list of entries without an h-feed wrapper are both valid. + $query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '. + 'contains(concat(" ", @class, " "), " h-entry ")]'; + $result = $xpath->query($query); + if ($result->length !== 0) { + return $this->parse_microformats($data, $url); + } + } + // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character if (strtoupper($encoding) === 'US-ASCII') { @@ -120,7 +133,7 @@ if ($declaration->parse()) { $data = substr($data, $pos + 2); - $data = 'version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data; + $data = 'version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' ."\n". $this->declare_html_entities() . $data; } else { @@ -163,76 +176,72 @@ xml_parser_free($xml); return $return; } - else + + libxml_clear_errors(); + $xml = new XMLReader(); + $xml->xml($data); + while (@$xml->read()) { - libxml_clear_errors(); - $xml = new XMLReader(); - $xml->xml($data); - while (@$xml->read()) + switch ($xml->nodeType) { - switch ($xml->nodeType) - { - case constant('XMLReader::END_ELEMENT'): + case constant('XMLReader::END_ELEMENT'): + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $this->tag_close(null, $tagName); + break; + case constant('XMLReader::ELEMENT'): + $empty = $xml->isEmptyElement; + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $attributes = array(); + while ($xml->moveToNextAttribute()) + { if ($xml->namespaceURI !== '') { - $tagName = $xml->namespaceURI . $this->separator . $xml->localName; - } - else - { - $tagName = $xml->localName; - } - $this->tag_close(null, $tagName); - break; - case constant('XMLReader::ELEMENT'): - $empty = $xml->isEmptyElement; - if ($xml->namespaceURI !== '') - { - $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + $attrName = $xml->namespaceURI . $this->separator . $xml->localName; } else { - $tagName = $xml->localName; - } - $attributes = array(); - while ($xml->moveToNextAttribute()) - { - if ($xml->namespaceURI !== '') - { - $attrName = $xml->namespaceURI . $this->separator . $xml->localName; - } - else - { - $attrName = $xml->localName; - } - $attributes[$attrName] = $xml->value; - } - $this->tag_open(null, $tagName, $attributes); - if ($empty) - { - $this->tag_close(null, $tagName); + $attrName = $xml->localName; } - break; - case constant('XMLReader::TEXT'): + $attributes[$attrName] = $xml->value; + } + $this->tag_open(null, $tagName, $attributes); + if ($empty) + { + $this->tag_close(null, $tagName); + } + break; + case constant('XMLReader::TEXT'): - case constant('XMLReader::CDATA'): - $this->cdata(null, $xml->value); - break; - } - } - if ($error = libxml_get_last_error()) - { - $this->error_code = $error->code; - $this->error_string = $error->message; - $this->current_line = $error->line; - $this->current_column = $error->column; - return false; - } - else - { - return true; + case constant('XMLReader::CDATA'): + $this->cdata(null, $xml->value); + break; } } + if ($error = libxml_get_last_error()) + { + $this->error_code = $error->code; + $this->error_string = $error->message; + $this->current_line = $error->line; + $this->current_column = $error->column; + return false; + } + + return true; } public function get_error_code() @@ -404,4 +413,249 @@ } return $cache[$string]; } + + private function parse_hcard($data, $category = false) { + $name = ''; + $link = ''; + // Check if h-card is set and pass that information on in the link. + if (isset($data['type']) && in_array('h-card', $data['type'])) { + if (isset($data['properties']['name'][0])) { + $name = $data['properties']['name'][0]; + } + if (isset($data['properties']['url'][0])) { + $link = $data['properties']['url'][0]; + if ($name === '') { + $name = $link; + } + else { + // can't have commas in categories. + $name = str_replace(',', '', $name); + } + $person_tag = $category ? '' : ''; + return ''.$person_tag.$name.''; + } + } + return isset($data['value']) ? $data['value'] : ''; + } + + private function parse_microformats(&$data, $url) { + $feed_title = ''; + $feed_author = NULL; + $author_cache = array(); + $items = array(); + $entries = array(); + $mf = Mf2\parse($data, $url); + // First look for an h-feed. + $h_feed = array(); + foreach ($mf['items'] as $mf_item) { + if (in_array('h-feed', $mf_item['type'])) { + $h_feed = $mf_item; + break; + } + // Also look for h-feed or h-entry in the children of each top level item. + if (!isset($mf_item['children'][0]['type'])) continue; + if (in_array('h-feed', $mf_item['children'][0]['type'])) { + $h_feed = $mf_item['children'][0]; + // In this case the parent of the h-feed may be an h-card, so use it as + // the feed_author. + if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item; + break; + } + else if (in_array('h-entry', $mf_item['children'][0]['type'])) { + $entries = $mf_item['children']; + // In this case the parent of the h-entry list may be an h-card, so use + // it as the feed_author. + if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item; + break; + } + } + if (isset($h_feed['children'])) { + $entries = $h_feed['children']; + // Also set the feed title and store author from the h-feed if available. + if (isset($mf['items'][0]['properties']['name'][0])) { + $feed_title = $mf['items'][0]['properties']['name'][0]; + } + if (isset($mf['items'][0]['properties']['author'][0])) { + $feed_author = $mf['items'][0]['properties']['author'][0]; + } + } + else if (count($entries) === 0) { + $entries = $mf['items']; + } + for ($i = 0; $i < count($entries); $i++) { + $entry = $entries[$i]; + if (in_array('h-entry', $entry['type'])) { + $item = array(); + $title = ''; + $description = ''; + if (isset($entry['properties']['url'][0])) { + $link = $entry['properties']['url'][0]; + if (isset($link['value'])) $link = $link['value']; + $item['link'] = array(array('data' => $link)); + } + if (isset($entry['properties']['uid'][0])) { + $guid = $entry['properties']['uid'][0]; + if (isset($guid['value'])) $guid = $guid['value']; + $item['guid'] = array(array('data' => $guid)); + } + if (isset($entry['properties']['name'][0])) { + $title = $entry['properties']['name'][0]; + if (isset($title['value'])) $title = $title['value']; + $item['title'] = array(array('data' => $title)); + } + if (isset($entry['properties']['author'][0]) || isset($feed_author)) { + // author is a special case, it can be plain text or an h-card array. + // If it's plain text it can also be a url that should be followed to + // get the actual h-card. + $author = isset($entry['properties']['author'][0]) ? + $entry['properties']['author'][0] : $feed_author; + if (!is_string($author)) { + $author = $this->parse_hcard($author); + } + else if (strpos($author, 'http') === 0) { + if (isset($author_cache[$author])) { + $author = $author_cache[$author]; + } + else { + $mf = Mf2\fetch($author); + foreach ($mf['items'] as $hcard) { + // Only interested in an h-card by itself in this case. + if (!in_array('h-card', $hcard['type'])) { + continue; + } + // It must have a url property matching what we fetched. + if (!isset($hcard['properties']['url']) || + !(in_array($author, $hcard['properties']['url']))) { + continue; + } + // Save parse_hcard the trouble of finding the correct url. + $hcard['properties']['url'][0] = $author; + // Cache this h-card for the next h-entry to check. + $author_cache[$author] = $this->parse_hcard($hcard); + $author = $author_cache[$author]; + break; + } + } + } + $item['author'] = array(array('data' => $author)); + } + if (isset($entry['properties']['photo'][0])) { + // If a photo is also in content, don't need to add it again here. + $content = ''; + if (isset($entry['properties']['content'][0]['html'])) { + $content = $entry['properties']['content'][0]['html']; + } + $photo_list = array(); + for ($j = 0; $j < count($entry['properties']['photo']); $j++) { + $photo = $entry['properties']['photo'][$j]; + if (!empty($photo) && strpos($content, $photo) === false) { + $photo_list[] = $photo; + } + } + // When there's more than one photo show the first and use a lightbox. + // Need a permanent, unique name for the image set, but don't have + // anything unique except for the content itself, so use that. + $count = count($photo_list); + if ($count > 1) { + $image_set_id = preg_replace('/[[:^alnum:]]/', '', $photo_list[0]); + $description = '

'; + for ($j = 0; $j < $count; $j++) { + $hidden = $j === 0 ? '' : 'class="hidden" '; + $description .= ''. + ''; + } + $description .= '
'.$count.' photos

'; + } + else if ($count == 1) { + $description = '

'; + } + } + if (isset($entry['properties']['content'][0]['html'])) { + // e-content['value'] is the same as p-name when they are on the same + // element. Use this to replace title with a strip_tags version so + // that alt text from images is not included in the title. + if ($entry['properties']['content'][0]['value'] === $title) { + $title = strip_tags($entry['properties']['content'][0]['html']); + $item['title'] = array(array('data' => $title)); + } + $description .= $entry['properties']['content'][0]['html']; + if (isset($entry['properties']['in-reply-to'][0])) { + $in_reply_to = ''; + if (is_string($entry['properties']['in-reply-to'][0])) { + $in_reply_to = $entry['properties']['in-reply-to'][0]; + } + else if (isset($entry['properties']['in-reply-to'][0]['value'])) { + $in_reply_to = $entry['properties']['in-reply-to'][0]['value']; + } + if ($in_reply_to !== '') { + $description .= '

'. + ''.$in_reply_to.'

'; + } + } + $item['description'] = array(array('data' => $description)); + } + if (isset($entry['properties']['category'])) { + $category_csv = ''; + // Categories can also contain h-cards. + foreach ($entry['properties']['category'] as $category) { + if ($category_csv !== '') $category_csv .= ', '; + if (is_string($category)) { + // Can't have commas in categories. + $category_csv .= str_replace(',', '', $category); + } + else { + $category_csv .= $this->parse_hcard($category, true); + } + } + $item['category'] = array(array('data' => $category_csv)); + } + if (isset($entry['properties']['published'][0])) { + $timestamp = strtotime($entry['properties']['published'][0]); + $pub_date = date('F j Y g:ia', $timestamp).' GMT'; + $item['pubDate'] = array(array('data' => $pub_date)); + } + // The title and description are set to the empty string to represent + // a deleted item (which also makes it an invalid rss item). + if (isset($entry['properties']['deleted'][0])) { + $item['title'] = array(array('data' => '')); + $item['description'] = array(array('data' => '')); + } + $items[] = array('child' => array('' => $item)); + } + } + // Mimic RSS data format when storing microformats. + $link = array(array('data' => $url)); + $image = ''; + if (!is_string($feed_author) && + isset($feed_author['properties']['photo'][0])) { + $image = array(array('child' => array('' => array('url' => + array(array('data' => $feed_author['properties']['photo'][0])))))); + } + // Use the name given for the h-feed, or get the title from the html. + if ($feed_title !== '') { + $feed_title = array(array('data' => htmlspecialchars($feed_title))); + } + else if ($position = strpos($data, '')) { + $start = $position < 200 ? 0 : $position - 200; + $check = substr($data, $start, 400); + $matches = array(); + if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) { + $feed_title = array(array('data' => htmlspecialchars($matches[1]))); + } + } + $channel = array('channel' => array(array('child' => array('' => + array('link' => $link, 'image' => $image, 'title' => $feed_title, + 'item' => $items))))); + $rss = array(array('attribs' => array('' => array('version' => '2.0')), + 'child' => array('' => $channel))); + $this->data = array('child' => array('' => array('rss' => $rss))); + return true; + } + + private function declare_html_entities() { + // This is required because the RSS specification says that entity-encoded + // html is allowed, but the xml specification says they must be declared. + return '<!DOCTYPE html [ <!ENTITY nbsp " "> <!ENTITY iexcl "¡"> <!ENTITY cent "¢"> <!ENTITY pound "£"> <!ENTITY curren "¤"> <!ENTITY yen "¥"> <!ENTITY brvbar "¦"> <!ENTITY sect "§"> <!ENTITY uml "¨"> <!ENTITY copy "©"> <!ENTITY ordf "ª"> <!ENTITY laquo "«"> <!ENTITY not "¬"> <!ENTITY shy "­"> <!ENTITY reg "®"> <!ENTITY macr "¯"> <!ENTITY deg "°"> <!ENTITY plusmn "±"> <!ENTITY sup2 "²"> <!ENTITY sup3 "³"> <!ENTITY acute "´"> <!ENTITY micro "µ"> <!ENTITY para "¶"> <!ENTITY middot "·"> <!ENTITY cedil "¸"> <!ENTITY sup1 "¹"> <!ENTITY ordm "º"> <!ENTITY raquo "»"> <!ENTITY frac14 "¼"> <!ENTITY frac12 "½"> <!ENTITY frac34 "¾"> <!ENTITY iquest "¿"> <!ENTITY Agrave "À"> <!ENTITY Aacute "Á"> <!ENTITY Acirc "Â"> <!ENTITY Atilde "Ã"> <!ENTITY Auml "Ä"> <!ENTITY Aring "Å"> <!ENTITY AElig "Æ"> <!ENTITY Ccedil "Ç"> <!ENTITY Egrave "È"> <!ENTITY Eacute "É"> <!ENTITY Ecirc "Ê"> <!ENTITY Euml "Ë"> <!ENTITY Igrave "Ì"> <!ENTITY Iacute "Í"> <!ENTITY Icirc "Î"> <!ENTITY Iuml "Ï"> <!ENTITY ETH "Ð"> <!ENTITY Ntilde "Ñ"> <!ENTITY Ograve "Ò"> <!ENTITY Oacute "Ó"> <!ENTITY Ocirc "Ô"> <!ENTITY Otilde "Õ"> <!ENTITY Ouml "Ö"> <!ENTITY times "×"> <!ENTITY Oslash "Ø"> <!ENTITY Ugrave "Ù"> <!ENTITY Uacute "Ú"> <!ENTITY Ucirc "Û"> <!ENTITY Uuml "Ü"> <!ENTITY Yacute "Ý"> <!ENTITY THORN "Þ"> <!ENTITY szlig "ß"> <!ENTITY agrave "à"> <!ENTITY aacute "á"> <!ENTITY acirc "â"> <!ENTITY atilde "ã"> <!ENTITY auml "ä"> <!ENTITY aring "å"> <!ENTITY aelig "æ"> <!ENTITY ccedil "ç"> <!ENTITY egrave "è"> <!ENTITY eacute "é"> <!ENTITY ecirc "ê"> <!ENTITY euml "ë"> <!ENTITY igrave "ì"> <!ENTITY iacute "í"> <!ENTITY icirc "î"> <!ENTITY iuml "ï"> <!ENTITY eth "ð"> <!ENTITY ntilde "ñ"> <!ENTITY ograve "ò"> <!ENTITY oacute "ó"> <!ENTITY ocirc "ô"> <!ENTITY otilde "õ"> <!ENTITY ouml "ö"> <!ENTITY divide "÷"> <!ENTITY oslash "ø"> <!ENTITY ugrave "ù"> <!ENTITY uacute "ú"> <!ENTITY ucirc "û"> <!ENTITY uuml "ü"> <!ENTITY yacute "ý"> <!ENTITY thorn "þ"> <!ENTITY yuml "ÿ"> <!ENTITY OElig "Œ"> <!ENTITY oelig "œ"> <!ENTITY Scaron "Š"> <!ENTITY scaron "š"> <!ENTITY Yuml "Ÿ"> <!ENTITY fnof "ƒ"> <!ENTITY circ "ˆ"> <!ENTITY tilde "˜"> <!ENTITY Alpha "Α"> <!ENTITY Beta "Β"> <!ENTITY Gamma "Γ"> <!ENTITY Epsilon "Ε"> <!ENTITY Zeta "Ζ"> <!ENTITY Eta "Η"> <!ENTITY Theta "Θ"> <!ENTITY Iota "Ι"> <!ENTITY Kappa "Κ"> <!ENTITY Lambda "Λ"> <!ENTITY Mu "Μ"> <!ENTITY Nu "Ν"> <!ENTITY Xi "Ξ"> <!ENTITY Omicron "Ο"> <!ENTITY Pi "Π"> <!ENTITY Rho "Ρ"> <!ENTITY Sigma "Σ"> <!ENTITY Tau "Τ"> <!ENTITY Upsilon "Υ"> <!ENTITY Phi "Φ"> <!ENTITY Chi "Χ"> <!ENTITY Psi "Ψ"> <!ENTITY Omega "Ω"> <!ENTITY alpha "α"> <!ENTITY beta "β"> <!ENTITY gamma "γ"> <!ENTITY delta "δ"> <!ENTITY epsilon "ε"> <!ENTITY zeta "ζ"> <!ENTITY eta "η"> <!ENTITY theta "θ"> <!ENTITY iota "ι"> <!ENTITY kappa "κ"> <!ENTITY lambda "λ"> <!ENTITY mu "μ"> <!ENTITY nu "ν"> <!ENTITY xi "ξ"> <!ENTITY omicron "ο"> <!ENTITY pi "π"> <!ENTITY rho "ρ"> <!ENTITY sigmaf "ς"> <!ENTITY sigma "σ"> <!ENTITY tau "τ"> <!ENTITY upsilon "υ"> <!ENTITY phi "φ"> <!ENTITY chi "χ"> <!ENTITY psi "ψ"> <!ENTITY omega "ω"> <!ENTITY thetasym "ϑ"> <!ENTITY upsih "ϒ"> <!ENTITY piv "ϖ"> <!ENTITY ensp " "> <!ENTITY emsp " "> <!ENTITY thinsp " "> <!ENTITY zwnj "‌"> <!ENTITY zwj "‍"> <!ENTITY lrm "‎"> <!ENTITY rlm "‏"> <!ENTITY ndash "–"> <!ENTITY mdash "—"> <!ENTITY lsquo "‘"> <!ENTITY rsquo "’"> <!ENTITY sbquo "‚"> <!ENTITY ldquo "“"> <!ENTITY rdquo "”"> <!ENTITY bdquo "„"> <!ENTITY dagger "†"> <!ENTITY Dagger "‡"> <!ENTITY bull "•"> <!ENTITY hellip "…"> <!ENTITY permil "‰"> <!ENTITY prime "′"> <!ENTITY Prime "″"> <!ENTITY lsaquo "‹"> <!ENTITY rsaquo "›"> <!ENTITY oline "‾"> <!ENTITY frasl "⁄"> <!ENTITY euro "€"> <!ENTITY image "ℑ"> <!ENTITY weierp "℘"> <!ENTITY real "ℜ"> <!ENTITY trade "™"> <!ENTITY alefsym "ℵ"> <!ENTITY larr "←"> <!ENTITY uarr "↑"> <!ENTITY rarr "→"> <!ENTITY darr "↓"> <!ENTITY harr "↔"> <!ENTITY crarr "↵"> <!ENTITY lArr "⇐"> <!ENTITY uArr "⇑"> <!ENTITY rArr "⇒"> <!ENTITY dArr "⇓"> <!ENTITY hArr "⇔"> <!ENTITY forall "∀"> <!ENTITY part "∂"> <!ENTITY exist "∃"> <!ENTITY empty "∅"> <!ENTITY nabla "∇"> <!ENTITY isin "∈"> <!ENTITY notin "∉"> <!ENTITY ni "∋"> <!ENTITY prod "∏"> <!ENTITY sum "∑"> <!ENTITY minus "−"> <!ENTITY lowast "∗"> <!ENTITY radic "√"> <!ENTITY prop "∝"> <!ENTITY infin "∞"> <!ENTITY ang "∠"> <!ENTITY and "∧"> <!ENTITY or "∨"> <!ENTITY cap "∩"> <!ENTITY cup "∪"> <!ENTITY int "∫"> <!ENTITY there4 "∴"> <!ENTITY sim "∼"> <!ENTITY cong "≅"> <!ENTITY asymp "≈"> <!ENTITY ne "≠"> <!ENTITY equiv "≡"> <!ENTITY le "≤"> <!ENTITY ge "≥"> <!ENTITY sub "⊂"> <!ENTITY sup "⊃"> <!ENTITY nsub "⊄"> <!ENTITY sube "⊆"> <!ENTITY supe "⊇"> <!ENTITY oplus "⊕"> <!ENTITY otimes "⊗"> <!ENTITY perp "⊥"> <!ENTITY sdot "⋅"> <!ENTITY lceil "⌈"> <!ENTITY rceil "⌉"> <!ENTITY lfloor "⌊"> <!ENTITY rfloor "⌋"> <!ENTITY lang "〈"> <!ENTITY rang "〉"> <!ENTITY loz "◊"> <!ENTITY spades "♠"> <!ENTITY clubs "♣"> <!ENTITY hearts "♥"> <!ENTITY diams "♦"> ]>'; + } }