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efrain |
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<?php
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declare(strict_types=1);
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Sam Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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*/
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namespace SimplePie;
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use SimplePie\XML\Declaration\Parser as DeclarationParser;
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/**
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* Parses XML into something sane
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*
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*
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* This class can be overloaded with {@see \SimplePie\SimplePie::set_parser_class()}
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*
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* @package SimplePie
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* @subpackage Parsing
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*/
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class Parser implements RegistryAware
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{
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public $error_code;
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public $error_string;
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public $current_line;
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public $current_column;
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public $current_byte;
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public $separator = ' ';
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public $namespace = [''];
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public $element = [''];
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public $xml_base = [''];
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public $xml_base_explicit = [false];
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public $xml_lang = [''];
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public $data = [];
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public $datas = [[]];
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public $current_xhtml_construct = -1;
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public $encoding;
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protected $registry;
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public function set_registry(\SimplePie\Registry $registry)/* : void */
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{
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$this->registry = $registry;
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}
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public function parse(&$data, $encoding, $url = '')
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{
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if (class_exists('DOMXpath') && function_exists('Mf2\parse')) {
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$doc = new \DOMDocument();
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@$doc->loadHTML($data);
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$xpath = new \DOMXpath($doc);
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// Check for both h-feed and h-entry, as both a feed with no entries
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// and a list of entries without an h-feed wrapper are both valid.
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$query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '.
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'contains(concat(" ", @class, " "), " h-entry ")]';
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$result = $xpath->query($query);
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if ($result->length !== 0) {
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return $this->parse_microformats($data, $url);
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}
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}
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// Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
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if (strtoupper($encoding) === 'US-ASCII') {
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$this->encoding = 'UTF-8';
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} else {
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$this->encoding = $encoding;
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}
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// Strip BOM:
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// UTF-32 Big Endian BOM
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if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") {
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$data = substr($data, 4);
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}
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// UTF-32 Little Endian BOM
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elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") {
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$data = substr($data, 4);
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}
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// UTF-16 Big Endian BOM
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elseif (substr($data, 0, 2) === "\xFE\xFF") {
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$data = substr($data, 2);
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}
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// UTF-16 Little Endian BOM
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elseif (substr($data, 0, 2) === "\xFF\xFE") {
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$data = substr($data, 2);
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}
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// UTF-8 BOM
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elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") {
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$data = substr($data, 3);
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}
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if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false) {
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$declaration = $this->registry->create(DeclarationParser::class, [substr($data, 5, $pos - 5)]);
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if ($declaration->parse()) {
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$data = substr($data, $pos + 2);
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$data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' ."\n". $this->declare_html_entities() . $data;
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} else {
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$this->error_string = 'SimplePie bug! Please report this!';
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return false;
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}
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}
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$return = true;
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static $xml_is_sane = null;
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if ($xml_is_sane === null) {
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$parser_check = xml_parser_create();
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xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
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xml_parser_free($parser_check);
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$xml_is_sane = isset($values[0]['value']);
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}
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// Create the parser
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if ($xml_is_sane) {
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$xml = xml_parser_create_ns($this->encoding, $this->separator);
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xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
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xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
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xml_set_object($xml, $this);
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xml_set_character_data_handler($xml, 'cdata');
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xml_set_element_handler($xml, 'tag_open', 'tag_close');
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// Parse!
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$wrapper = @is_writable(sys_get_temp_dir()) ? 'php://temp' : 'php://memory';
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if (($stream = fopen($wrapper, 'r+')) &&
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fwrite($stream, $data) &&
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rewind($stream)) {
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//Parse by chunks not to use too much memory
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do {
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$stream_data = fread($stream, 1048576);
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if (!xml_parse($xml, $stream_data === false ? '' : $stream_data, feof($stream))) {
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$this->error_code = xml_get_error_code($xml);
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$this->error_string = xml_error_string($this->error_code);
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$return = false;
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break;
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}
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} while (!feof($stream));
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fclose($stream);
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} else {
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$return = false;
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}
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$this->current_line = xml_get_current_line_number($xml);
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$this->current_column = xml_get_current_column_number($xml);
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$this->current_byte = xml_get_current_byte_index($xml);
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xml_parser_free($xml);
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return $return;
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}
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libxml_clear_errors();
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$xml = new \XMLReader();
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$xml->xml($data);
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while (@$xml->read()) {
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switch ($xml->nodeType) {
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case constant('XMLReader::END_ELEMENT'):
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if ($xml->namespaceURI !== '') {
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$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
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} else {
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$tagName = $xml->localName;
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}
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$this->tag_close(null, $tagName);
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break;
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case constant('XMLReader::ELEMENT'):
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$empty = $xml->isEmptyElement;
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if ($xml->namespaceURI !== '') {
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$tagName = $xml->namespaceURI . $this->separator . $xml->localName;
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} else {
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$tagName = $xml->localName;
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}
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$attributes = [];
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while ($xml->moveToNextAttribute()) {
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if ($xml->namespaceURI !== '') {
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$attrName = $xml->namespaceURI . $this->separator . $xml->localName;
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} else {
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$attrName = $xml->localName;
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}
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$attributes[$attrName] = $xml->value;
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}
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$this->tag_open(null, $tagName, $attributes);
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if ($empty) {
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$this->tag_close(null, $tagName);
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}
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break;
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case constant('XMLReader::TEXT'):
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case constant('XMLReader::CDATA'):
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$this->cdata(null, $xml->value);
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break;
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}
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}
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if ($error = libxml_get_last_error()) {
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$this->error_code = $error->code;
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$this->error_string = $error->message;
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$this->current_line = $error->line;
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$this->current_column = $error->column;
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return false;
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}
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return true;
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}
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public function get_error_code()
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{
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return $this->error_code;
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}
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public function get_error_string()
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{
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return $this->error_string;
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}
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public function get_current_line()
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{
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return $this->current_line;
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}
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public function get_current_column()
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{
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return $this->current_column;
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}
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public function get_current_byte()
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{
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return $this->current_byte;
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}
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public function get_data()
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{
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return $this->data;
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}
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public function tag_open($parser, $tag, $attributes)
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{
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[$this->namespace[], $this->element[]] = $this->split_ns($tag);
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$attribs = [];
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foreach ($attributes as $name => $value) {
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[$attrib_namespace, $attribute] = $this->split_ns($name);
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$attribs[$attrib_namespace][$attribute] = $value;
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}
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if (isset($attribs[\SimplePie\SimplePie::NAMESPACE_XML]['base'])) {
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$base = $this->registry->call(Misc::class, 'absolutize_url', [$attribs[\SimplePie\SimplePie::NAMESPACE_XML]['base'], end($this->xml_base)]);
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if ($base !== false) {
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$this->xml_base[] = $base;
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$this->xml_base_explicit[] = true;
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}
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} else {
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$this->xml_base[] = end($this->xml_base);
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$this->xml_base_explicit[] = end($this->xml_base_explicit);
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}
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if (isset($attribs[\SimplePie\SimplePie::NAMESPACE_XML]['lang'])) {
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$this->xml_lang[] = $attribs[\SimplePie\SimplePie::NAMESPACE_XML]['lang'];
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} else {
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$this->xml_lang[] = end($this->xml_lang);
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}
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if ($this->current_xhtml_construct >= 0) {
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$this->current_xhtml_construct++;
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if (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_XHTML) {
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$this->data['data'] .= '<' . end($this->element);
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if (isset($attribs[''])) {
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foreach ($attribs[''] as $name => $value) {
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$this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
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}
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}
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$this->data['data'] .= '>';
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}
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} else {
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$this->datas[] =& $this->data;
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$this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
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$this->data = ['data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)];
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if ((end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_ATOM_03 && in_array(end($this->element), ['title', 'tagline', 'copyright', 'info', 'summary', 'content']) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml')
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|| (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_ATOM_10 && in_array(end($this->element), ['rights', 'subtitle', 'summary', 'info', 'title', 'content']) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml')
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|| (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_20 && in_array(end($this->element), ['title']))
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|| (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_090 && in_array(end($this->element), ['title']))
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|| (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_RSS_10 && in_array(end($this->element), ['title']))) {
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$this->current_xhtml_construct = 0;
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315 |
}
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316 |
}
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317 |
}
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319 |
public function cdata($parser, $cdata)
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{
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321 |
if ($this->current_xhtml_construct >= 0) {
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322 |
$this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
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323 |
} else {
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$this->data['data'] .= $cdata;
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}
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}
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328 |
public function tag_close($parser, $tag)
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329 |
{
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330 |
if ($this->current_xhtml_construct >= 0) {
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331 |
$this->current_xhtml_construct--;
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|
332 |
if (end($this->namespace) === \SimplePie\SimplePie::NAMESPACE_XHTML && !in_array(end($this->element), ['area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'])) {
|
|
|
333 |
$this->data['data'] .= '</' . end($this->element) . '>';
|
|
|
334 |
}
|
|
|
335 |
}
|
|
|
336 |
if ($this->current_xhtml_construct === -1) {
|
|
|
337 |
$this->data =& $this->datas[count($this->datas) - 1];
|
|
|
338 |
array_pop($this->datas);
|
|
|
339 |
}
|
|
|
340 |
|
|
|
341 |
array_pop($this->element);
|
|
|
342 |
array_pop($this->namespace);
|
|
|
343 |
array_pop($this->xml_base);
|
|
|
344 |
array_pop($this->xml_base_explicit);
|
|
|
345 |
array_pop($this->xml_lang);
|
|
|
346 |
}
|
|
|
347 |
|
|
|
348 |
public function split_ns($string)
|
|
|
349 |
{
|
|
|
350 |
static $cache = [];
|
|
|
351 |
if (!isset($cache[$string])) {
|
|
|
352 |
if ($pos = strpos($string, $this->separator)) {
|
|
|
353 |
static $separator_length;
|
|
|
354 |
if (!$separator_length) {
|
|
|
355 |
$separator_length = strlen($this->separator);
|
|
|
356 |
}
|
|
|
357 |
$namespace = substr($string, 0, $pos);
|
|
|
358 |
$local_name = substr($string, $pos + $separator_length);
|
|
|
359 |
if (strtolower($namespace) === \SimplePie\SimplePie::NAMESPACE_ITUNES) {
|
|
|
360 |
$namespace = \SimplePie\SimplePie::NAMESPACE_ITUNES;
|
|
|
361 |
}
|
|
|
362 |
|
|
|
363 |
// Normalize the Media RSS namespaces
|
|
|
364 |
if ($namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG ||
|
|
|
365 |
$namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG2 ||
|
|
|
366 |
$namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG3 ||
|
|
|
367 |
$namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG4 ||
|
|
|
368 |
$namespace === \SimplePie\SimplePie::NAMESPACE_MEDIARSS_WRONG5) {
|
|
|
369 |
$namespace = \SimplePie\SimplePie::NAMESPACE_MEDIARSS;
|
|
|
370 |
}
|
|
|
371 |
$cache[$string] = [$namespace, $local_name];
|
|
|
372 |
} else {
|
|
|
373 |
$cache[$string] = ['', $string];
|
|
|
374 |
}
|
|
|
375 |
}
|
|
|
376 |
return $cache[$string];
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
private function parse_hcard($data, $category = false)
|
|
|
380 |
{
|
|
|
381 |
$name = '';
|
|
|
382 |
$link = '';
|
|
|
383 |
// Check if h-card is set and pass that information on in the link.
|
|
|
384 |
if (isset($data['type']) && in_array('h-card', $data['type'])) {
|
|
|
385 |
if (isset($data['properties']['name'][0])) {
|
|
|
386 |
$name = $data['properties']['name'][0];
|
|
|
387 |
}
|
|
|
388 |
if (isset($data['properties']['url'][0])) {
|
|
|
389 |
$link = $data['properties']['url'][0];
|
|
|
390 |
if ($name === '') {
|
|
|
391 |
$name = $link;
|
|
|
392 |
} else {
|
|
|
393 |
// can't have commas in categories.
|
|
|
394 |
$name = str_replace(',', '', $name);
|
|
|
395 |
}
|
|
|
396 |
$person_tag = $category ? '<span class="person-tag"></span>' : '';
|
|
|
397 |
return '<a class="h-card" href="'.$link.'">'.$person_tag.$name.'</a>';
|
|
|
398 |
}
|
|
|
399 |
}
|
|
|
400 |
return $data['value'] ?? '';
|
|
|
401 |
}
|
|
|
402 |
|
|
|
403 |
private function parse_microformats(&$data, $url)
|
|
|
404 |
{
|
|
|
405 |
$feed_title = '';
|
|
|
406 |
$feed_author = null;
|
|
|
407 |
$author_cache = [];
|
|
|
408 |
$items = [];
|
|
|
409 |
$entries = [];
|
|
|
410 |
$mf = \Mf2\parse($data, $url);
|
|
|
411 |
// First look for an h-feed.
|
|
|
412 |
$h_feed = [];
|
|
|
413 |
foreach ($mf['items'] as $mf_item) {
|
|
|
414 |
if (in_array('h-feed', $mf_item['type'])) {
|
|
|
415 |
$h_feed = $mf_item;
|
|
|
416 |
break;
|
|
|
417 |
}
|
|
|
418 |
// Also look for h-feed or h-entry in the children of each top level item.
|
|
|
419 |
if (!isset($mf_item['children'][0]['type'])) {
|
|
|
420 |
continue;
|
|
|
421 |
}
|
|
|
422 |
if (in_array('h-feed', $mf_item['children'][0]['type'])) {
|
|
|
423 |
$h_feed = $mf_item['children'][0];
|
|
|
424 |
// In this case the parent of the h-feed may be an h-card, so use it as
|
|
|
425 |
// the feed_author.
|
|
|
426 |
if (in_array('h-card', $mf_item['type'])) {
|
|
|
427 |
$feed_author = $mf_item;
|
|
|
428 |
}
|
|
|
429 |
break;
|
|
|
430 |
} elseif (in_array('h-entry', $mf_item['children'][0]['type'])) {
|
|
|
431 |
$entries = $mf_item['children'];
|
|
|
432 |
// In this case the parent of the h-entry list may be an h-card, so use
|
|
|
433 |
// it as the feed_author.
|
|
|
434 |
if (in_array('h-card', $mf_item['type'])) {
|
|
|
435 |
$feed_author = $mf_item;
|
|
|
436 |
}
|
|
|
437 |
break;
|
|
|
438 |
}
|
|
|
439 |
}
|
|
|
440 |
if (isset($h_feed['children'])) {
|
|
|
441 |
$entries = $h_feed['children'];
|
|
|
442 |
// Also set the feed title and store author from the h-feed if available.
|
|
|
443 |
if (isset($mf['items'][0]['properties']['name'][0])) {
|
|
|
444 |
$feed_title = $mf['items'][0]['properties']['name'][0];
|
|
|
445 |
}
|
|
|
446 |
if (isset($mf['items'][0]['properties']['author'][0])) {
|
|
|
447 |
$feed_author = $mf['items'][0]['properties']['author'][0];
|
|
|
448 |
}
|
|
|
449 |
} elseif (count($entries) === 0) {
|
|
|
450 |
$entries = $mf['items'];
|
|
|
451 |
}
|
|
|
452 |
for ($i = 0; $i < count($entries); $i++) {
|
|
|
453 |
$entry = $entries[$i];
|
|
|
454 |
if (in_array('h-entry', $entry['type'])) {
|
|
|
455 |
$item = [];
|
|
|
456 |
$title = '';
|
|
|
457 |
$description = '';
|
|
|
458 |
if (isset($entry['properties']['url'][0])) {
|
|
|
459 |
$link = $entry['properties']['url'][0];
|
|
|
460 |
if (isset($link['value'])) {
|
|
|
461 |
$link = $link['value'];
|
|
|
462 |
}
|
|
|
463 |
$item['link'] = [['data' => $link]];
|
|
|
464 |
}
|
|
|
465 |
if (isset($entry['properties']['uid'][0])) {
|
|
|
466 |
$guid = $entry['properties']['uid'][0];
|
|
|
467 |
if (isset($guid['value'])) {
|
|
|
468 |
$guid = $guid['value'];
|
|
|
469 |
}
|
|
|
470 |
$item['guid'] = [['data' => $guid]];
|
|
|
471 |
}
|
|
|
472 |
if (isset($entry['properties']['name'][0])) {
|
|
|
473 |
$title = $entry['properties']['name'][0];
|
|
|
474 |
if (isset($title['value'])) {
|
|
|
475 |
$title = $title['value'];
|
|
|
476 |
}
|
|
|
477 |
$item['title'] = [['data' => $title]];
|
|
|
478 |
}
|
|
|
479 |
if (isset($entry['properties']['author'][0]) || isset($feed_author)) {
|
|
|
480 |
// author is a special case, it can be plain text or an h-card array.
|
|
|
481 |
// If it's plain text it can also be a url that should be followed to
|
|
|
482 |
// get the actual h-card.
|
|
|
483 |
$author = $entry['properties']['author'][0] ?? $feed_author;
|
|
|
484 |
if (!is_string($author)) {
|
|
|
485 |
$author = $this->parse_hcard($author);
|
|
|
486 |
} elseif (strpos($author, 'http') === 0) {
|
|
|
487 |
if (isset($author_cache[$author])) {
|
|
|
488 |
$author = $author_cache[$author];
|
|
|
489 |
} else {
|
|
|
490 |
$mf = \Mf2\fetch($author);
|
|
|
491 |
foreach ($mf['items'] as $hcard) {
|
|
|
492 |
// Only interested in an h-card by itself in this case.
|
|
|
493 |
if (!in_array('h-card', $hcard['type'])) {
|
|
|
494 |
continue;
|
|
|
495 |
}
|
|
|
496 |
// It must have a url property matching what we fetched.
|
|
|
497 |
if (!isset($hcard['properties']['url']) ||
|
|
|
498 |
!(in_array($author, $hcard['properties']['url']))) {
|
|
|
499 |
continue;
|
|
|
500 |
}
|
|
|
501 |
// Save parse_hcard the trouble of finding the correct url.
|
|
|
502 |
$hcard['properties']['url'][0] = $author;
|
|
|
503 |
// Cache this h-card for the next h-entry to check.
|
|
|
504 |
$author_cache[$author] = $this->parse_hcard($hcard);
|
|
|
505 |
$author = $author_cache[$author];
|
|
|
506 |
break;
|
|
|
507 |
}
|
|
|
508 |
}
|
|
|
509 |
}
|
|
|
510 |
$item['author'] = [['data' => $author]];
|
|
|
511 |
}
|
|
|
512 |
if (isset($entry['properties']['photo'][0])) {
|
|
|
513 |
// If a photo is also in content, don't need to add it again here.
|
|
|
514 |
$content = '';
|
|
|
515 |
if (isset($entry['properties']['content'][0]['html'])) {
|
|
|
516 |
$content = $entry['properties']['content'][0]['html'];
|
|
|
517 |
}
|
|
|
518 |
$photo_list = [];
|
|
|
519 |
for ($j = 0; $j < count($entry['properties']['photo']); $j++) {
|
|
|
520 |
$photo = $entry['properties']['photo'][$j];
|
|
|
521 |
if (!empty($photo) && strpos($content, $photo) === false) {
|
|
|
522 |
$photo_list[] = $photo;
|
|
|
523 |
}
|
|
|
524 |
}
|
|
|
525 |
// When there's more than one photo show the first and use a lightbox.
|
|
|
526 |
// Need a permanent, unique name for the image set, but don't have
|
|
|
527 |
// anything unique except for the content itself, so use that.
|
|
|
528 |
$count = count($photo_list);
|
|
|
529 |
if ($count > 1) {
|
|
|
530 |
$image_set_id = preg_replace('/[[:^alnum:]]/', '', $photo_list[0]);
|
|
|
531 |
$description = '<p>';
|
|
|
532 |
for ($j = 0; $j < $count; $j++) {
|
|
|
533 |
$hidden = $j === 0 ? '' : 'class="hidden" ';
|
|
|
534 |
$description .= '<a href="'.$photo_list[$j].'" '.$hidden.
|
|
|
535 |
'data-lightbox="image-set-'.$image_set_id.'">'.
|
|
|
536 |
'<img src="'.$photo_list[$j].'"></a>';
|
|
|
537 |
}
|
|
|
538 |
$description .= '<br><b>'.$count.' photos</b></p>';
|
|
|
539 |
} elseif ($count == 1) {
|
|
|
540 |
$description = '<p><img src="'.$photo_list[0].'"></p>';
|
|
|
541 |
}
|
|
|
542 |
}
|
|
|
543 |
if (isset($entry['properties']['content'][0]['html'])) {
|
|
|
544 |
// e-content['value'] is the same as p-name when they are on the same
|
|
|
545 |
// element. Use this to replace title with a strip_tags version so
|
|
|
546 |
// that alt text from images is not included in the title.
|
|
|
547 |
if ($entry['properties']['content'][0]['value'] === $title) {
|
|
|
548 |
$title = strip_tags($entry['properties']['content'][0]['html']);
|
|
|
549 |
$item['title'] = [['data' => $title]];
|
|
|
550 |
}
|
|
|
551 |
$description .= $entry['properties']['content'][0]['html'];
|
|
|
552 |
if (isset($entry['properties']['in-reply-to'][0])) {
|
|
|
553 |
$in_reply_to = '';
|
|
|
554 |
if (is_string($entry['properties']['in-reply-to'][0])) {
|
|
|
555 |
$in_reply_to = $entry['properties']['in-reply-to'][0];
|
|
|
556 |
} elseif (isset($entry['properties']['in-reply-to'][0]['value'])) {
|
|
|
557 |
$in_reply_to = $entry['properties']['in-reply-to'][0]['value'];
|
|
|
558 |
}
|
|
|
559 |
if ($in_reply_to !== '') {
|
|
|
560 |
$description .= '<p><span class="in-reply-to"></span> '.
|
|
|
561 |
'<a href="'.$in_reply_to.'">'.$in_reply_to.'</a><p>';
|
|
|
562 |
}
|
|
|
563 |
}
|
|
|
564 |
$item['description'] = [['data' => $description]];
|
|
|
565 |
}
|
|
|
566 |
if (isset($entry['properties']['category'])) {
|
|
|
567 |
$category_csv = '';
|
|
|
568 |
// Categories can also contain h-cards.
|
|
|
569 |
foreach ($entry['properties']['category'] as $category) {
|
|
|
570 |
if ($category_csv !== '') {
|
|
|
571 |
$category_csv .= ', ';
|
|
|
572 |
}
|
|
|
573 |
if (is_string($category)) {
|
|
|
574 |
// Can't have commas in categories.
|
|
|
575 |
$category_csv .= str_replace(',', '', $category);
|
|
|
576 |
} else {
|
|
|
577 |
$category_csv .= $this->parse_hcard($category, true);
|
|
|
578 |
}
|
|
|
579 |
}
|
|
|
580 |
$item['category'] = [['data' => $category_csv]];
|
|
|
581 |
}
|
|
|
582 |
if (isset($entry['properties']['published'][0])) {
|
|
|
583 |
$timestamp = strtotime($entry['properties']['published'][0]);
|
|
|
584 |
$pub_date = date('F j Y g:ia', $timestamp).' GMT';
|
|
|
585 |
$item['pubDate'] = [['data' => $pub_date]];
|
|
|
586 |
}
|
|
|
587 |
// The title and description are set to the empty string to represent
|
|
|
588 |
// a deleted item (which also makes it an invalid rss item).
|
|
|
589 |
if (isset($entry['properties']['deleted'][0])) {
|
|
|
590 |
$item['title'] = [['data' => '']];
|
|
|
591 |
$item['description'] = [['data' => '']];
|
|
|
592 |
}
|
|
|
593 |
$items[] = ['child' => ['' => $item]];
|
|
|
594 |
}
|
|
|
595 |
}
|
|
|
596 |
// Mimic RSS data format when storing microformats.
|
|
|
597 |
$link = [['data' => $url]];
|
|
|
598 |
$image = '';
|
|
|
599 |
if (!is_string($feed_author) &&
|
|
|
600 |
isset($feed_author['properties']['photo'][0])) {
|
|
|
601 |
$image = [['child' => ['' => ['url' =>
|
|
|
602 |
[['data' => $feed_author['properties']['photo'][0]]]]]]];
|
|
|
603 |
}
|
|
|
604 |
// Use the name given for the h-feed, or get the title from the html.
|
|
|
605 |
if ($feed_title !== '') {
|
|
|
606 |
$feed_title = [['data' => htmlspecialchars($feed_title)]];
|
|
|
607 |
} elseif ($position = strpos($data, '<title>')) {
|
|
|
608 |
$start = $position < 200 ? 0 : $position - 200;
|
|
|
609 |
$check = substr($data, $start, 400);
|
|
|
610 |
$matches = [];
|
|
|
611 |
if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) {
|
|
|
612 |
$feed_title = [['data' => htmlspecialchars($matches[1])]];
|
|
|
613 |
}
|
|
|
614 |
}
|
|
|
615 |
$channel = ['channel' => [['child' => ['' =>
|
|
|
616 |
['link' => $link, 'image' => $image, 'title' => $feed_title,
|
|
|
617 |
'item' => $items]]]]];
|
|
|
618 |
$rss = [['attribs' => ['' => ['version' => '2.0']],
|
|
|
619 |
'child' => ['' => $channel]]];
|
|
|
620 |
$this->data = ['child' => ['' => ['rss' => $rss]]];
|
|
|
621 |
return true;
|
|
|
622 |
}
|
|
|
623 |
|
|
|
624 |
private function declare_html_entities()
|
|
|
625 |
{
|
|
|
626 |
// This is required because the RSS specification says that entity-encoded
|
|
|
627 |
// html is allowed, but the xml specification says they must be declared.
|
|
|
628 |
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 "♦"> ]>';
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629 |
}
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630 |
}
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631 |
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632 |
class_alias('SimplePie\Parser', 'SimplePie_Parser');
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