diff options
Diffstat (limited to 'vendor/simplepie/simplepie/library/SimplePie/Misc.php')
| -rw-r--r-- | vendor/simplepie/simplepie/library/SimplePie/Misc.php | 2238 |
1 files changed, 2229 insertions, 9 deletions
diff --git a/vendor/simplepie/simplepie/library/SimplePie/Misc.php b/vendor/simplepie/simplepie/library/SimplePie/Misc.php index 80933e770..4318573ba 100644 --- a/vendor/simplepie/simplepie/library/SimplePie/Misc.php +++ b/vendor/simplepie/simplepie/library/SimplePie/Misc.php @@ -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) 2004-2022, Ryan Parman, Sam 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 @@ -41,15 +41,2235 @@ * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ -use SimplePie\Misc; +/** + * Miscellanous utilities + * + * @package SimplePie + */ +class SimplePie_Misc +{ + public static function time_hms($seconds) + { + $time = ''; + + $hours = floor($seconds / 3600); + $remainder = $seconds % 3600; + if ($hours > 0) + { + $time .= $hours.':'; + } + + $minutes = floor($remainder / 60); + $seconds = $remainder % 60; + if ($minutes < 10 && $hours > 0) + { + $minutes = '0' . $minutes; + } + if ($seconds < 10) + { + $seconds = '0' . $seconds; + } + + $time .= $minutes.':'; + $time .= $seconds; + + return $time; + } + + public static function absolutize_url($relative, $base) + { + $iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative); + if ($iri === false) + { + return false; + } + return $iri->get_uri(); + } + + /** + * Get a HTML/XML element from a HTML string + * + * @deprecated Use DOMDocument instead (parsing HTML with regex is bad!) + * @param string $realname Element name (including namespace prefix if applicable) + * @param string $string HTML document + * @return array + */ + public static function get_element($realname, $string) + { + $return = array(); + $name = preg_quote($realname, '/'); + if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) + { + for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++) + { + $return[$i]['tag'] = $realname; + $return[$i]['full'] = $matches[$i][0][0]; + $return[$i]['offset'] = $matches[$i][0][1]; + if (strlen($matches[$i][3][0]) <= 2) + { + $return[$i]['self_closing'] = true; + } + else + { + $return[$i]['self_closing'] = false; + $return[$i]['content'] = $matches[$i][4][0]; + } + $return[$i]['attribs'] = array(); + if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER)) + { + for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++) + { + if (count($attribs[$j]) === 2) + { + $attribs[$j][2] = $attribs[$j][1]; + } + $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j])); + } + } + } + } + return $return; + } + + public static function element_implode($element) + { + $full = "<$element[tag]"; + foreach ($element['attribs'] as $key => $value) + { + $key = strtolower($key); + $full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"'; + } + if ($element['self_closing']) + { + $full .= ' />'; + } + else + { + $full .= ">$element[content]</$element[tag]>"; + } + return $full; + } + + public static function error($message, $level, $file, $line) + { + if ((ini_get('error_reporting') & $level) > 0) + { + switch ($level) + { + case E_USER_ERROR: + $note = 'PHP Error'; + break; + case E_USER_WARNING: + $note = 'PHP Warning'; + break; + case E_USER_NOTICE: + $note = 'PHP Notice'; + break; + default: + $note = 'Unknown Error'; + break; + } + + $log_error = true; + if (!function_exists('error_log')) + { + $log_error = false; + } + + $log_file = @ini_get('error_log'); + if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file)) + { + $log_error = false; + } + + if ($log_error) + { + @error_log("$note: $message in $file on line $line", 0); + } + } + + return $message; + } + + public static function fix_protocol($url, $http = 1) + { + $url = SimplePie_Misc::normalize_url($url); + $parsed = SimplePie_Misc::parse_url($url); + if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https') + { + return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http); + } + + if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url)) + { + return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http); + } + + if ($http === 2 && $parsed['scheme'] !== '') + { + return "feed:$url"; + } + elseif ($http === 3 && strtolower($parsed['scheme']) === 'http') + { + return substr_replace($url, 'podcast', 0, 4); + } + elseif ($http === 4 && strtolower($parsed['scheme']) === 'http') + { + return substr_replace($url, 'itpc', 0, 4); + } + + return $url; + } + + public static function array_merge_recursive($array1, $array2) + { + foreach ($array2 as $key => $value) + { + if (is_array($value)) + { + $array1[$key] = SimplePie_Misc::array_merge_recursive($array1[$key], $value); + } + else + { + $array1[$key] = $value; + } + } + + return $array1; + } + + public static function parse_url($url) + { + $iri = new SimplePie_IRI($url); + return array( + 'scheme' => (string) $iri->scheme, + 'authority' => (string) $iri->authority, + 'path' => (string) $iri->path, + 'query' => (string) $iri->query, + 'fragment' => (string) $iri->fragment + ); + } + + public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '') + { + $iri = new SimplePie_IRI(''); + $iri->scheme = $scheme; + $iri->authority = $authority; + $iri->path = $path; + $iri->query = $query; + $iri->fragment = $fragment; + return $iri->get_uri(); + } + + public static function normalize_url($url) + { + $iri = new SimplePie_IRI($url); + return $iri->get_uri(); + } + + public static function percent_encoding_normalization($match) + { + $integer = hexdec($match[1]); + if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) + { + return chr($integer); + } + + return strtoupper($match[0]); + } + + /** + * Converts a Windows-1252 encoded string to a UTF-8 encoded string + * + * @static + * @param string $string Windows-1252 encoded string + * @return string UTF-8 encoded string + */ + public static function windows_1252_to_utf8($string) + { + static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF"); + + return strtr($string, $convert_table); + } + + /** + * Change a string from one encoding to another + * + * @param string $data Raw data in $input encoding + * @param string $input Encoding of $data + * @param string $output Encoding you want + * @return string|boolean False if we can't convert it + */ + public static function change_encoding($data, $input, $output) + { + $input = SimplePie_Misc::encoding($input); + $output = SimplePie_Misc::encoding($output); + + // We fail to fail on non US-ASCII bytes + if ($input === 'US-ASCII') + { + static $non_ascii_octects = ''; + if (!$non_ascii_octects) + { + for ($i = 0x80; $i <= 0xFF; $i++) + { + $non_ascii_octects .= chr($i); + } + } + $data = substr($data, 0, strcspn($data, $non_ascii_octects)); + } + + // This is first, as behaviour of this is completely predictable + if ($input === 'windows-1252' && $output === 'UTF-8') + { + return SimplePie_Misc::windows_1252_to_utf8($data); + } + // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported). + elseif (function_exists('mb_convert_encoding') && ($return = SimplePie_Misc::change_encoding_mbstring($data, $input, $output))) + { + return $return; + } + // This is third, as behaviour of this varies with OS userland and PHP version + elseif (function_exists('iconv') && ($return = SimplePie_Misc::change_encoding_iconv($data, $input, $output))) + { + return $return; + } + // This is last, as behaviour of this varies with OS userland and PHP version + elseif (class_exists('\UConverter') && ($return = SimplePie_Misc::change_encoding_uconverter($data, $input, $output))) + { + return $return; + } + + // If we can't do anything, just fail + return false; + } + + protected static function change_encoding_mbstring($data, $input, $output) + { + if ($input === 'windows-949') + { + $input = 'EUC-KR'; + } + if ($output === 'windows-949') + { + $output = 'EUC-KR'; + } + if ($input === 'Windows-31J') + { + $input = 'SJIS'; + } + if ($output === 'Windows-31J') + { + $output = 'SJIS'; + } + + // Check that the encoding is supported + if (!in_array($input, mb_list_encodings())) + { + return false; + } + + if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80") + { + return false; + } + + // Let's do some conversion + if ($return = @mb_convert_encoding($data, $output, $input)) + { + return $return; + } + + return false; + } + + protected static function change_encoding_iconv($data, $input, $output) + { + return @iconv($input, $output, $data); + } + + /** + * @param string $data + * @param string $input + * @param string $output + * @return string|false + */ + protected static function change_encoding_uconverter($data, $input, $output) + { + return @\UConverter::transcode($data, $output, $input); + } + + /** + * Normalize an encoding name + * + * This is automatically generated by create.php + * + * To generate it, run `php create.php` on the command line, and copy the + * output to replace this function. + * + * @param string $charset Character set to standardise + * @return string Standardised name + */ + public static function encoding($charset) + { + // Normalization from UTS #22 + switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset))) + { + case 'adobestandardencoding': + case 'csadobestandardencoding': + return 'Adobe-Standard-Encoding'; + + case 'adobesymbolencoding': + case 'cshppsmath': + return 'Adobe-Symbol-Encoding'; + + case 'ami1251': + case 'amiga1251': + return 'Amiga-1251'; + + case 'ansix31101983': + case 'csat5001983': + case 'csiso99naplps': + case 'isoir99': + case 'naplps': + return 'ANSI_X3.110-1983'; + + case 'arabic7': + case 'asmo449': + case 'csiso89asmo449': + case 'iso9036': + case 'isoir89': + return 'ASMO_449'; + + case 'big5': + case 'csbig5': + return 'Big5'; + + case 'big5hkscs': + return 'Big5-HKSCS'; + + case 'bocu1': + case 'csbocu1': + return 'BOCU-1'; + + case 'brf': + case 'csbrf': + return 'BRF'; + + case 'bs4730': + case 'csiso4unitedkingdom': + case 'gb': + case 'iso646gb': + case 'isoir4': + case 'uk': + return 'BS_4730'; + + case 'bsviewdata': + case 'csiso47bsviewdata': + case 'isoir47': + return 'BS_viewdata'; + + case 'cesu8': + case 'cscesu8': + return 'CESU-8'; + + case 'ca': + case 'csa71': + case 'csaz243419851': + case 'csiso121canadian1': + case 'iso646ca': + case 'isoir121': + return 'CSA_Z243.4-1985-1'; + + case 'csa72': + case 'csaz243419852': + case 'csiso122canadian2': + case 'iso646ca2': + case 'isoir122': + return 'CSA_Z243.4-1985-2'; + + case 'csaz24341985gr': + case 'csiso123csaz24341985gr': + case 'isoir123': + return 'CSA_Z243.4-1985-gr'; + + case 'csiso139csn369103': + case 'csn369103': + case 'isoir139': + return 'CSN_369103'; + + case 'csdecmcs': + case 'dec': + case 'decmcs': + return 'DEC-MCS'; + + case 'csiso21german': + case 'de': + case 'din66003': + case 'iso646de': + case 'isoir21': + return 'DIN_66003'; + + case 'csdkus': + case 'dkus': + return 'dk-us'; + + case 'csiso646danish': + case 'dk': + case 'ds2089': + case 'iso646dk': + return 'DS_2089'; + + case 'csibmebcdicatde': + case 'ebcdicatde': + return 'EBCDIC-AT-DE'; + + case 'csebcdicatdea': + case 'ebcdicatdea': + return 'EBCDIC-AT-DE-A'; + + case 'csebcdiccafr': + case 'ebcdiccafr': + return 'EBCDIC-CA-FR'; + + case 'csebcdicdkno': + case 'ebcdicdkno': + return 'EBCDIC-DK-NO'; + + case 'csebcdicdknoa': + case 'ebcdicdknoa': + return 'EBCDIC-DK-NO-A'; + + case 'csebcdices': + case 'ebcdices': + return 'EBCDIC-ES'; + + case 'csebcdicesa': + case 'ebcdicesa': + return 'EBCDIC-ES-A'; + + case 'csebcdicess': + case 'ebcdicess': + return 'EBCDIC-ES-S'; + + case 'csebcdicfise': + case 'ebcdicfise': + return 'EBCDIC-FI-SE'; + + case 'csebcdicfisea': + case 'ebcdicfisea': + return 'EBCDIC-FI-SE-A'; + + case 'csebcdicfr': + case 'ebcdicfr': + return 'EBCDIC-FR'; + + case 'csebcdicit': + case 'ebcdicit': + return 'EBCDIC-IT'; + + case 'csebcdicpt': + case 'ebcdicpt': + return 'EBCDIC-PT'; + + case 'csebcdicuk': + case 'ebcdicuk': + return 'EBCDIC-UK'; + + case 'csebcdicus': + case 'ebcdicus': + return 'EBCDIC-US'; + + case 'csiso111ecmacyrillic': + case 'ecmacyrillic': + case 'isoir111': + case 'koi8e': + return 'ECMA-cyrillic'; + + case 'csiso17spanish': + case 'es': + case 'iso646es': + case 'isoir17': + return 'ES'; + + case 'csiso85spanish2': + case 'es2': + case 'iso646es2': + case 'isoir85': + return 'ES2'; + + case 'cseucpkdfmtjapanese': + case 'eucjp': + case 'extendedunixcodepackedformatforjapanese': + return 'EUC-JP'; + + case 'cseucfixwidjapanese': + case 'extendedunixcodefixedwidthforjapanese': + return 'Extended_UNIX_Code_Fixed_Width_for_Japanese'; + + case 'gb18030': + return 'GB18030'; + + case 'chinese': + case 'cp936': + case 'csgb2312': + case 'csiso58gb231280': + case 'gb2312': + case 'gb231280': + case 'gbk': + case 'isoir58': + case 'ms936': + case 'windows936': + return 'GBK'; + + case 'cn': + case 'csiso57gb1988': + case 'gb198880': + case 'iso646cn': + case 'isoir57': + return 'GB_1988-80'; + + case 'csiso153gost1976874': + case 'gost1976874': + case 'isoir153': + case 'stsev35888': + return 'GOST_19768-74'; + + case 'csiso150': + case 'csiso150greekccitt': + case 'greekccitt': + case 'isoir150': + return 'greek-ccitt'; + + case 'csiso88greek7': + case 'greek7': + case 'isoir88': + return 'greek7'; + + case 'csiso18greek7old': + case 'greek7old': + case 'isoir18': + return 'greek7-old'; + + case 'cshpdesktop': + case 'hpdesktop': + return 'HP-DeskTop'; + + case 'cshplegal': + case 'hplegal': + return 'HP-Legal'; + + case 'cshpmath8': + case 'hpmath8': + return 'HP-Math8'; + + case 'cshppifont': + case 'hppifont': + return 'HP-Pi-font'; + + case 'cshproman8': + case 'hproman8': + case 'r8': + case 'roman8': + return 'hp-roman8'; + + case 'hzgb2312': + return 'HZ-GB-2312'; + + case 'csibmsymbols': + case 'ibmsymbols': + return 'IBM-Symbols'; + + case 'csibmthai': + case 'ibmthai': + return 'IBM-Thai'; + + case 'cp37': + case 'csibm37': + case 'ebcdiccpca': + case 'ebcdiccpnl': + case 'ebcdiccpus': + case 'ebcdiccpwt': + case 'ibm37': + return 'IBM037'; + + case 'cp38': + case 'csibm38': + case 'ebcdicint': + case 'ibm38': + return 'IBM038'; + + case 'cp273': + case 'csibm273': + case 'ibm273': + return 'IBM273'; + + case 'cp274': + case 'csibm274': + case 'ebcdicbe': + case 'ibm274': + return 'IBM274'; + + case 'cp275': + case 'csibm275': + case 'ebcdicbr': + case 'ibm275': + return 'IBM275'; + + case 'csibm277': + case 'ebcdiccpdk': + case 'ebcdiccpno': + case 'ibm277': + return 'IBM277'; + + case 'cp278': + case 'csibm278': + case 'ebcdiccpfi': + case 'ebcdiccpse': + case 'ibm278': + return 'IBM278'; + + case 'cp280': + case 'csibm280': + case 'ebcdiccpit': + case 'ibm280': + return 'IBM280'; + + case 'cp281': + case 'csibm281': + case 'ebcdicjpe': + case 'ibm281': + return 'IBM281'; + + case 'cp284': + case 'csibm284': + case 'ebcdiccpes': + case 'ibm284': + return 'IBM284'; + + case 'cp285': + case 'csibm285': + case 'ebcdiccpgb': + case 'ibm285': + return 'IBM285'; + + case 'cp290': + case 'csibm290': + case 'ebcdicjpkana': + case 'ibm290': + return 'IBM290'; + + case 'cp297': + case 'csibm297': + case 'ebcdiccpfr': + case 'ibm297': + return 'IBM297'; + + case 'cp420': + case 'csibm420': + case 'ebcdiccpar1': + case 'ibm420': + return 'IBM420'; + + case 'cp423': + case 'csibm423': + case 'ebcdiccpgr': + case 'ibm423': + return 'IBM423'; + + case 'cp424': + case 'csibm424': + case 'ebcdiccphe': + case 'ibm424': + return 'IBM424'; + + case '437': + case 'cp437': + case 'cspc8codepage437': + case 'ibm437': + return 'IBM437'; + + case 'cp500': + case 'csibm500': + case 'ebcdiccpbe': + case 'ebcdiccpch': + case 'ibm500': + return 'IBM500'; + + case 'cp775': + case 'cspc775baltic': + case 'ibm775': + return 'IBM775'; + + case '850': + case 'cp850': + case 'cspc850multilingual': + case 'ibm850': + return 'IBM850'; + + case '851': + case 'cp851': + case 'csibm851': + case 'ibm851': + return 'IBM851'; + + case '852': + case 'cp852': + case 'cspcp852': + case 'ibm852': + return 'IBM852'; + + case '855': + case 'cp855': + case 'csibm855': + case 'ibm855': + return 'IBM855'; + + case '857': + case 'cp857': + case 'csibm857': + case 'ibm857': + return 'IBM857'; + + case 'ccsid858': + case 'cp858': + case 'ibm858': + case 'pcmultilingual850euro': + return 'IBM00858'; + + case '860': + case 'cp860': + case 'csibm860': + case 'ibm860': + return 'IBM860'; + + case '861': + case 'cp861': + case 'cpis': + case 'csibm861': + case 'ibm861': + return 'IBM861'; + + case '862': + case 'cp862': + case 'cspc862latinhebrew': + case 'ibm862': + return 'IBM862'; + + case '863': + case 'cp863': + case 'csibm863': + case 'ibm863': + return 'IBM863'; + + case 'cp864': + case 'csibm864': + case 'ibm864': + return 'IBM864'; + + case '865': + case 'cp865': + case 'csibm865': + case 'ibm865': + return 'IBM865'; + + case '866': + case 'cp866': + case 'csibm866': + case 'ibm866': + return 'IBM866'; + + case 'cp868': + case 'cpar': + case 'csibm868': + case 'ibm868': + return 'IBM868'; + + case '869': + case 'cp869': + case 'cpgr': + case 'csibm869': + case 'ibm869': + return 'IBM869'; + + case 'cp870': + case 'csibm870': + case 'ebcdiccproece': + case 'ebcdiccpyu': + case 'ibm870': + return 'IBM870'; + + case 'cp871': + case 'csibm871': + case 'ebcdiccpis': + case 'ibm871': + return 'IBM871'; + + case 'cp880': + case 'csibm880': + case 'ebcdiccyrillic': + case 'ibm880': + return 'IBM880'; + + case 'cp891': + case 'csibm891': + case 'ibm891': + return 'IBM891'; + + case 'cp903': + case 'csibm903': + case 'ibm903': + return 'IBM903'; + + case '904': + case 'cp904': + case 'csibbm904': + case 'ibm904': + return 'IBM904'; + + case 'cp905': + case 'csibm905': + case 'ebcdiccptr': + case 'ibm905': + return 'IBM905'; + + case 'cp918': + case 'csibm918': + case 'ebcdiccpar2': + case 'ibm918': + return 'IBM918'; + + case 'ccsid924': + case 'cp924': + case 'ebcdiclatin9euro': + case 'ibm924': + return 'IBM00924'; + + case 'cp1026': + case 'csibm1026': + case 'ibm1026': + return 'IBM1026'; + + case 'ibm1047': + return 'IBM1047'; + + case 'ccsid1140': + case 'cp1140': + case 'ebcdicus37euro': + case 'ibm1140': + return 'IBM01140'; + + case 'ccsid1141': + case 'cp1141': + case 'ebcdicde273euro': + case 'ibm1141': + return 'IBM01141'; + + case 'ccsid1142': + case 'cp1142': + case 'ebcdicdk277euro': + case 'ebcdicno277euro': + case 'ibm1142': + return 'IBM01142'; + + case 'ccsid1143': + case 'cp1143': + case 'ebcdicfi278euro': + case 'ebcdicse278euro': + case 'ibm1143': + return 'IBM01143'; + + case 'ccsid1144': + case 'cp1144': + case 'ebcdicit280euro': + case 'ibm1144': + return 'IBM01144'; + + case 'ccsid1145': + case 'cp1145': + case 'ebcdices284euro': + case 'ibm1145': + return 'IBM01145'; + + case 'ccsid1146': + case 'cp1146': + case 'ebcdicgb285euro': + case 'ibm1146': + return 'IBM01146'; + + case 'ccsid1147': + case 'cp1147': + case 'ebcdicfr297euro': + case 'ibm1147': + return 'IBM01147'; + + case 'ccsid1148': + case 'cp1148': + case 'ebcdicinternational500euro': + case 'ibm1148': + return 'IBM01148'; + + case 'ccsid1149': + case 'cp1149': + case 'ebcdicis871euro': + case 'ibm1149': + return 'IBM01149'; + + case 'csiso143iecp271': + case 'iecp271': + case 'isoir143': + return 'IEC_P27-1'; + + case 'csiso49inis': + case 'inis': + case 'isoir49': + return 'INIS'; + + case 'csiso50inis8': + case 'inis8': + case 'isoir50': + return 'INIS-8'; + + case 'csiso51iniscyrillic': + case 'iniscyrillic': + case 'isoir51': + return 'INIS-cyrillic'; + + case 'csinvariant': + case 'invariant': + return 'INVARIANT'; + + case 'iso2022cn': + return 'ISO-2022-CN'; + + case 'iso2022cnext': + return 'ISO-2022-CN-EXT'; + + case 'csiso2022jp': + case 'iso2022jp': + return 'ISO-2022-JP'; + + case 'csiso2022jp2': + case 'iso2022jp2': + return 'ISO-2022-JP-2'; + + case 'csiso2022kr': + case 'iso2022kr': + return 'ISO-2022-KR'; + + case 'cswindows30latin1': + case 'iso88591windows30latin1': + return 'ISO-8859-1-Windows-3.0-Latin-1'; + + case 'cswindows31latin1': + case 'iso88591windows31latin1': + return 'ISO-8859-1-Windows-3.1-Latin-1'; + + case 'csisolatin2': + case 'iso88592': + case 'iso885921987': + case 'isoir101': + case 'l2': + case 'latin2': + return 'ISO-8859-2'; + + case 'cswindows31latin2': + case 'iso88592windowslatin2': + return 'ISO-8859-2-Windows-Latin-2'; + + case 'csisolatin3': + case 'iso88593': + case 'iso885931988': + case 'isoir109': + case 'l3': + case 'latin3': + return 'ISO-8859-3'; + + case 'csisolatin4': + case 'iso88594': + case 'iso885941988': + case 'isoir110': + case 'l4': + case 'latin4': + return 'ISO-8859-4'; + + case 'csisolatincyrillic': + case 'cyrillic': + case 'iso88595': + case 'iso885951988': + case 'isoir144': + return 'ISO-8859-5'; + + case 'arabic': + case 'asmo708': + case 'csisolatinarabic': + case 'ecma114': + case 'iso88596': + case 'iso885961987': + case 'isoir127': + return 'ISO-8859-6'; -class_exists('SimplePie\Misc'); + case 'csiso88596e': + case 'iso88596e': + return 'ISO-8859-6-E'; -// @trigger_error(sprintf('Using the "SimplePie_Misc" class is deprecated since SimplePie 1.7, use "SimplePie\Misc" instead.'), \E_USER_DEPRECATED); + case 'csiso88596i': + case 'iso88596i': + return 'ISO-8859-6-I'; -if (\false) { - /** @deprecated since SimplePie 1.7, use "SimplePie\Misc" instead */ - class SimplePie_Misc extends Misc - { - } + case 'csisolatingreek': + case 'ecma118': + case 'elot928': + case 'greek': + case 'greek8': + case 'iso88597': + case 'iso885971987': + case 'isoir126': + return 'ISO-8859-7'; + + case 'csisolatinhebrew': + case 'hebrew': + case 'iso88598': + case 'iso885981988': + case 'isoir138': + return 'ISO-8859-8'; + + case 'csiso88598e': + case 'iso88598e': + return 'ISO-8859-8-E'; + + case 'csiso88598i': + case 'iso88598i': + return 'ISO-8859-8-I'; + + case 'cswindows31latin5': + case 'iso88599windowslatin5': + return 'ISO-8859-9-Windows-Latin-5'; + + case 'csisolatin6': + case 'iso885910': + case 'iso8859101992': + case 'isoir157': + case 'l6': + case 'latin6': + return 'ISO-8859-10'; + + case 'iso885913': + return 'ISO-8859-13'; + + case 'iso885914': + case 'iso8859141998': + case 'isoceltic': + case 'isoir199': + case 'l8': + case 'latin8': + return 'ISO-8859-14'; + + case 'iso885915': + case 'latin9': + return 'ISO-8859-15'; + + case 'iso885916': + case 'iso8859162001': + case 'isoir226': + case 'l10': + case 'latin10': + return 'ISO-8859-16'; + + case 'iso10646j1': + return 'ISO-10646-J-1'; + + case 'csunicode': + case 'iso10646ucs2': + return 'ISO-10646-UCS-2'; + + case 'csucs4': + case 'iso10646ucs4': + return 'ISO-10646-UCS-4'; + + case 'csunicodeascii': + case 'iso10646ucsbasic': + return 'ISO-10646-UCS-Basic'; + + case 'csunicodelatin1': + case 'iso10646': + case 'iso10646unicodelatin1': + return 'ISO-10646-Unicode-Latin1'; + + case 'csiso10646utf1': + case 'iso10646utf1': + return 'ISO-10646-UTF-1'; + + case 'csiso115481': + case 'iso115481': + case 'isotr115481': + return 'ISO-11548-1'; + + case 'csiso90': + case 'isoir90': + return 'iso-ir-90'; + + case 'csunicodeibm1261': + case 'isounicodeibm1261': + return 'ISO-Unicode-IBM-1261'; + + case 'csunicodeibm1264': + case 'isounicodeibm1264': + return 'ISO-Unicode-IBM-1264'; + + case 'csunicodeibm1265': + case 'isounicodeibm1265': + return 'ISO-Unicode-IBM-1265'; + + case 'csunicodeibm1268': + case 'isounicodeibm1268': + return 'ISO-Unicode-IBM-1268'; + + case 'csunicodeibm1276': + case 'isounicodeibm1276': + return 'ISO-Unicode-IBM-1276'; + + case 'csiso646basic1983': + case 'iso646basic1983': + case 'ref': + return 'ISO_646.basic:1983'; + + case 'csiso2intlrefversion': + case 'irv': + case 'iso646irv1983': + case 'isoir2': + return 'ISO_646.irv:1983'; + + case 'csiso2033': + case 'e13b': + case 'iso20331983': + case 'isoir98': + return 'ISO_2033-1983'; + + case 'csiso5427cyrillic': + case 'iso5427': + case 'isoir37': + return 'ISO_5427'; + + case 'iso5427cyrillic1981': + case 'iso54271981': + case 'isoir54': + return 'ISO_5427:1981'; + + case 'csiso5428greek': + case 'iso54281980': + case 'isoir55': + return 'ISO_5428:1980'; + + case 'csiso6937add': + case 'iso6937225': + case 'isoir152': + return 'ISO_6937-2-25'; + + case 'csisotextcomm': + case 'iso69372add': + case 'isoir142': + return 'ISO_6937-2-add'; + + case 'csiso8859supp': + case 'iso8859supp': + case 'isoir154': + case 'latin125': + return 'ISO_8859-supp'; + + case 'csiso10367box': + case 'iso10367box': + case 'isoir155': + return 'ISO_10367-box'; + + case 'csiso15italian': + case 'iso646it': + case 'isoir15': + case 'it': + return 'IT'; + + case 'csiso13jisc6220jp': + case 'isoir13': + case 'jisc62201969': + case 'jisc62201969jp': + case 'katakana': + case 'x2017': + return 'JIS_C6220-1969-jp'; + + case 'csiso14jisc6220ro': + case 'iso646jp': + case 'isoir14': + case 'jisc62201969ro': + case 'jp': + return 'JIS_C6220-1969-ro'; + + case 'csiso42jisc62261978': + case 'isoir42': + case 'jisc62261978': + return 'JIS_C6226-1978'; + + case 'csiso87jisx208': + case 'isoir87': + case 'jisc62261983': + case 'jisx2081983': + case 'x208': + return 'JIS_C6226-1983'; + + case 'csiso91jisc62291984a': + case 'isoir91': + case 'jisc62291984a': + case 'jpocra': + return 'JIS_C6229-1984-a'; + + case 'csiso92jisc62991984b': + case 'iso646jpocrb': + case 'isoir92': + case 'jisc62291984b': + case 'jpocrb': + return 'JIS_C6229-1984-b'; + + case 'csiso93jis62291984badd': + case 'isoir93': + case 'jisc62291984badd': + case 'jpocrbadd': + return 'JIS_C6229-1984-b-add'; + + case 'csiso94jis62291984hand': + case 'isoir94': + case 'jisc62291984hand': + case 'jpocrhand': + return 'JIS_C6229-1984-hand'; + + case 'csiso95jis62291984handadd': + case 'isoir95': + case 'jisc62291984handadd': + case 'jpocrhandadd': + return 'JIS_C6229-1984-hand-add'; + + case 'csiso96jisc62291984kana': + case 'isoir96': + case 'jisc62291984kana': + return 'JIS_C6229-1984-kana'; + + case 'csjisencoding': + case 'jisencoding': + return 'JIS_Encoding'; + + case 'cshalfwidthkatakana': + case 'jisx201': + case 'x201': + return 'JIS_X0201'; + + case 'csiso159jisx2121990': + case 'isoir159': + case 'jisx2121990': + case 'x212': + return 'JIS_X0212-1990'; + + case 'csiso141jusib1002': + case 'iso646yu': + case 'isoir141': + case 'js': + case 'jusib1002': + case 'yu': + return 'JUS_I.B1.002'; + + case 'csiso147macedonian': + case 'isoir147': + case 'jusib1003mac': + case 'macedonian': + return 'JUS_I.B1.003-mac'; + + case 'csiso146serbian': + case 'isoir146': + case 'jusib1003serb': + case 'serbian': + return 'JUS_I.B1.003-serb'; + + case 'koi7switched': + return 'KOI7-switched'; + + case 'cskoi8r': + case 'koi8r': + return 'KOI8-R'; + + case 'koi8u': + return 'KOI8-U'; + + case 'csksc5636': + case 'iso646kr': + case 'ksc5636': + return 'KSC5636'; + + case 'cskz1048': + case 'kz1048': + case 'rk1048': + case 'strk10482002': + return 'KZ-1048'; + + case 'csiso19latingreek': + case 'isoir19': + case 'latingreek': + return 'latin-greek'; + + case 'csiso27latingreek1': + case 'isoir27': + case 'latingreek1': + return 'Latin-greek-1'; + + case 'csiso158lap': + case 'isoir158': + case 'lap': + case 'latinlap': + return 'latin-lap'; + + case 'csmacintosh': + case 'mac': + case 'macintosh': + return 'macintosh'; + + case 'csmicrosoftpublishing': + case 'microsoftpublishing': + return 'Microsoft-Publishing'; + + case 'csmnem': + case 'mnem': + return 'MNEM'; + + case 'csmnemonic': + case 'mnemonic': + return 'MNEMONIC'; + + case 'csiso86hungarian': + case 'hu': + case 'iso646hu': + case 'isoir86': + case 'msz77953': + return 'MSZ_7795.3'; + + case 'csnatsdano': + case 'isoir91': + case 'natsdano': + return 'NATS-DANO'; + + case 'csnatsdanoadd': + case 'isoir92': + case 'natsdanoadd': + return 'NATS-DANO-ADD'; + + case 'csnatssefi': + case 'isoir81': + case 'natssefi': + return 'NATS-SEFI'; + + case 'csnatssefiadd': + case 'isoir82': + case 'natssefiadd': + return 'NATS-SEFI-ADD'; + + case 'csiso151cuba': + case 'cuba': + case 'iso646cu': + case 'isoir151': + case 'ncnc1081': + return 'NC_NC00-10:81'; + + case 'csiso69french': + case 'fr': + case 'iso646fr': + case 'isoir69': + case 'nfz62010': + return 'NF_Z_62-010'; + + case 'csiso25french': + case 'iso646fr1': + case 'isoir25': + case 'nfz620101973': + return 'NF_Z_62-010_(1973)'; + + case 'csiso60danishnorwegian': + case 'csiso60norwegian1': + case 'iso646no': + case 'isoir60': + case 'no': + case 'ns45511': + return 'NS_4551-1'; + + case 'csiso61norwegian2': + case 'iso646no2': + case 'isoir61': + case 'no2': + case 'ns45512': + return 'NS_4551-2'; + + case 'osdebcdicdf3irv': + return 'OSD_EBCDIC_DF03_IRV'; + + case 'osdebcdicdf41': + return 'OSD_EBCDIC_DF04_1'; + + case 'osdebcdicdf415': + return 'OSD_EBCDIC_DF04_15'; + + case 'cspc8danishnorwegian': + case 'pc8danishnorwegian': + return 'PC8-Danish-Norwegian'; + + case 'cspc8turkish': + case 'pc8turkish': + return 'PC8-Turkish'; + + case 'csiso16portuguese': + case 'iso646pt': + case 'isoir16': + case 'pt': + return 'PT'; + + case 'csiso84portuguese2': + case 'iso646pt2': + case 'isoir84': + case 'pt2': + return 'PT2'; + + case 'cp154': + case 'csptcp154': + case 'cyrillicasian': + case 'pt154': + case 'ptcp154': + return 'PTCP154'; + + case 'scsu': + return 'SCSU'; + + case 'csiso10swedish': + case 'fi': + case 'iso646fi': + case 'iso646se': + case 'isoir10': + case 'se': + case 'sen850200b': + return 'SEN_850200_B'; + + case 'csiso11swedishfornames': + case 'iso646se2': + case 'isoir11': + case 'se2': + case 'sen850200c': + return 'SEN_850200_C'; + + case 'csiso102t617bit': + case 'isoir102': + case 't617bit': + return 'T.61-7bit'; + + case 'csiso103t618bit': + case 'isoir103': + case 't61': + case 't618bit': + return 'T.61-8bit'; + + case 'csiso128t101g2': + case 'isoir128': + case 't101g2': + return 'T.101-G2'; + + case 'cstscii': + case 'tscii': + return 'TSCII'; + + case 'csunicode11': + case 'unicode11': + return 'UNICODE-1-1'; + + case 'csunicode11utf7': + case 'unicode11utf7': + return 'UNICODE-1-1-UTF-7'; + + case 'csunknown8bit': + case 'unknown8bit': + return 'UNKNOWN-8BIT'; + + case 'ansix341968': + case 'ansix341986': + case 'ascii': + case 'cp367': + case 'csascii': + case 'ibm367': + case 'iso646irv1991': + case 'iso646us': + case 'isoir6': + case 'us': + case 'usascii': + return 'US-ASCII'; + + case 'csusdk': + case 'usdk': + return 'us-dk'; + + case 'utf7': + return 'UTF-7'; + + case 'utf8': + return 'UTF-8'; + + case 'utf16': + return 'UTF-16'; + + case 'utf16be': + return 'UTF-16BE'; + + case 'utf16le': + return 'UTF-16LE'; + + case 'utf32': + return 'UTF-32'; + + case 'utf32be': + return 'UTF-32BE'; + + case 'utf32le': + return 'UTF-32LE'; + + case 'csventurainternational': + case 'venturainternational': + return 'Ventura-International'; + + case 'csventuramath': + case 'venturamath': + return 'Ventura-Math'; + + case 'csventuraus': + case 'venturaus': + return 'Ventura-US'; + + case 'csiso70videotexsupp1': + case 'isoir70': + case 'videotexsuppl': + return 'videotex-suppl'; + + case 'csviqr': + case 'viqr': + return 'VIQR'; + + case 'csviscii': + case 'viscii': + return 'VISCII'; + + case 'csshiftjis': + case 'cswindows31j': + case 'mskanji': + case 'shiftjis': + case 'windows31j': + return 'Windows-31J'; + + case 'iso885911': + case 'tis620': + return 'windows-874'; + + case 'cseuckr': + case 'csksc56011987': + case 'euckr': + case 'isoir149': + case 'korean': + case 'ksc5601': + case 'ksc56011987': + case 'ksc56011989': + case 'windows949': + return 'windows-949'; + + case 'windows1250': + return 'windows-1250'; + + case 'windows1251': + return 'windows-1251'; + + case 'cp819': + case 'csisolatin1': + case 'ibm819': + case 'iso88591': + case 'iso885911987': + case 'isoir100': + case 'l1': + case 'latin1': + case 'windows1252': + return 'windows-1252'; + + case 'windows1253': + return 'windows-1253'; + + case 'csisolatin5': + case 'iso88599': + case 'iso885991989': + case 'isoir148': + case 'l5': + case 'latin5': + case 'windows1254': + return 'windows-1254'; + + case 'windows1255': + return 'windows-1255'; + + case 'windows1256': + return 'windows-1256'; + + case 'windows1257': + return 'windows-1257'; + + case 'windows1258': + return 'windows-1258'; + + default: + return $charset; + } + } + + public static function get_curl_version() + { + if (is_array($curl = curl_version())) + { + $curl = $curl['version']; + } + elseif (substr($curl, 0, 5) === 'curl/') + { + $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5)); + } + elseif (substr($curl, 0, 8) === 'libcurl/') + { + $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8)); + } + else + { + $curl = 0; + } + return $curl; + } + + /** + * Strip HTML comments + * + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public static function strip_comments($data) + { + $output = ''; + while (($start = strpos($data, '<!--')) !== false) + { + $output .= substr($data, 0, $start); + if (($end = strpos($data, '-->', $start)) !== false) + { + $data = substr_replace($data, '', 0, $end + 3); + } + else + { + $data = ''; + } + } + return $output . $data; + } + + public static function parse_date($dt) + { + $parser = SimplePie_Parse_Date::get(); + return $parser->parse($dt); + } + + /** + * Decode HTML entities + * + * @deprecated Use DOMDocument instead + * @param string $data Input data + * @return string Output data + */ + public static function entities_decode($data) + { + $decoder = new SimplePie_Decode_HTML_Entities($data); + return $decoder->parse(); + } + + /** + * Remove RFC822 comments + * + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public static function uncomment_rfc822($string) + { + $string = (string) $string; + $position = 0; + $length = strlen($string); + $depth = 0; + + $output = ''; + + while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) + { + $output .= substr($string, $position, $pos - $position); + $position = $pos + 1; + if ($string[$pos - 1] !== '\\') + { + $depth++; + while ($depth && $position < $length) + { + $position += strcspn($string, '()', $position); + if ($string[$position - 1] === '\\') + { + $position++; + continue; + } + elseif (isset($string[$position])) + { + switch ($string[$position]) + { + case '(': + $depth++; + break; + + case ')': + $depth--; + break; + } + $position++; + } + else + { + break; + } + } + } + else + { + $output .= '('; + } + } + $output .= substr($string, $position); + + return $output; + } + + public static function parse_mime($mime) + { + if (($pos = strpos($mime, ';')) === false) + { + return trim($mime); + } + + return trim(substr($mime, 0, $pos)); + } + + public static function atom_03_construct_type($attribs) + { + if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64')) + { + $mode = SIMPLEPIE_CONSTRUCT_BASE64; + } + else + { + $mode = SIMPLEPIE_CONSTRUCT_NONE; + } + if (isset($attribs['']['type'])) + { + switch (strtolower(trim($attribs['']['type']))) + { + case 'text': + case 'text/plain': + return SIMPLEPIE_CONSTRUCT_TEXT | $mode; + + case 'html': + case 'text/html': + return SIMPLEPIE_CONSTRUCT_HTML | $mode; + + case 'xhtml': + case 'application/xhtml+xml': + return SIMPLEPIE_CONSTRUCT_XHTML | $mode; + + default: + return SIMPLEPIE_CONSTRUCT_NONE | $mode; + } + } + + return SIMPLEPIE_CONSTRUCT_TEXT | $mode; + } + + public static function atom_10_construct_type($attribs) + { + if (isset($attribs['']['type'])) + { + switch (strtolower(trim($attribs['']['type']))) + { + case 'text': + return SIMPLEPIE_CONSTRUCT_TEXT; + + case 'html': + return SIMPLEPIE_CONSTRUCT_HTML; + + case 'xhtml': + return SIMPLEPIE_CONSTRUCT_XHTML; + + default: + return SIMPLEPIE_CONSTRUCT_NONE; + } + } + return SIMPLEPIE_CONSTRUCT_TEXT; + } + + public static function atom_10_content_construct_type($attribs) + { + if (isset($attribs['']['type'])) + { + $type = strtolower(trim($attribs['']['type'])); + switch ($type) + { + case 'text': + return SIMPLEPIE_CONSTRUCT_TEXT; + + case 'html': + return SIMPLEPIE_CONSTRUCT_HTML; + + case 'xhtml': + return SIMPLEPIE_CONSTRUCT_XHTML; + } + if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/') + { + return SIMPLEPIE_CONSTRUCT_NONE; + } + else + { + return SIMPLEPIE_CONSTRUCT_BASE64; + } + } + + return SIMPLEPIE_CONSTRUCT_TEXT; + } + + public static function is_isegment_nz_nc($string) + { + return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string); + } + + public static function space_separated_tokens($string) + { + $space_characters = "\x20\x09\x0A\x0B\x0C\x0D"; + $string_length = strlen($string); + + $position = strspn($string, $space_characters); + $tokens = array(); + + while ($position < $string_length) + { + $len = strcspn($string, $space_characters, $position); + $tokens[] = substr($string, $position, $len); + $position += $len; + $position += strspn($string, $space_characters, $position); + } + + return $tokens; + } + + /** + * Converts a unicode codepoint to a UTF-8 character + * + * @static + * @param int $codepoint Unicode codepoint + * @return string UTF-8 character + */ + public static function codepoint_to_utf8($codepoint) + { + $codepoint = (int) $codepoint; + if ($codepoint < 0) + { + return false; + } + else if ($codepoint <= 0x7f) + { + return chr($codepoint); + } + else if ($codepoint <= 0x7ff) + { + return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f)); + } + else if ($codepoint <= 0xffff) + { + return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); + } + else if ($codepoint <= 0x10ffff) + { + return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); + } + + // U+FFFD REPLACEMENT CHARACTER + return "\xEF\xBF\xBD"; + } + + /** + * Similar to parse_str() + * + * Returns an associative array of name/value pairs, where the value is an + * array of values that have used the same name + * + * @static + * @param string $str The input string. + * @return array + */ + public static function parse_str($str) + { + $return = array(); + $str = explode('&', $str); + + foreach ($str as $section) + { + if (strpos($section, '=') !== false) + { + list($name, $value) = explode('=', $section, 2); + $return[urldecode($name)][] = urldecode($value); + } + else + { + $return[urldecode($section)][] = null; + } + } + + return $return; + } + + /** + * Detect XML encoding, as per XML 1.0 Appendix F.1 + * + * @todo Add support for EBCDIC + * @param string $data XML data + * @param SimplePie_Registry $registry Class registry + * @return array Possible encodings + */ + public static function xml_encoding($data, $registry) + { + // UTF-32 Big Endian BOM + if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") + { + $encoding[] = 'UTF-32BE'; + } + // UTF-32 Little Endian BOM + elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") + { + $encoding[] = 'UTF-32LE'; + } + // UTF-16 Big Endian BOM + elseif (substr($data, 0, 2) === "\xFE\xFF") + { + $encoding[] = 'UTF-16BE'; + } + // UTF-16 Little Endian BOM + elseif (substr($data, 0, 2) === "\xFF\xFE") + { + $encoding[] = 'UTF-16LE'; + } + // UTF-8 BOM + elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") + { + $encoding[] = 'UTF-8'; + } + // UTF-32 Big Endian Without BOM + elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C") + { + if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-32BE'; + } + // UTF-32 Little Endian Without BOM + elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00") + { + if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-32LE'; + } + // UTF-16 Big Endian Without BOM + elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C") + { + if ($pos = strpos($data, "\x00\x3F\x00\x3E")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-16BE'; + } + // UTF-16 Little Endian Without BOM + elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00") + { + if ($pos = strpos($data, "\x3F\x00\x3E\x00")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-16LE'; + } + // US-ASCII (or superset) + elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C") + { + if ($pos = strpos($data, "\x3F\x3E")) + { + $parser = $registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-8'; + } + // Fallback to UTF-8 + else + { + $encoding[] = 'UTF-8'; + } + return $encoding; + } + + public static function output_javascript() + { + if (function_exists('ob_gzhandler')) + { + ob_start('ob_gzhandler'); + } + header('Content-type: text/javascript; charset: UTF-8'); + header('Cache-Control: must-revalidate'); + header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days + ?> +function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { + if (placeholder != '') { + document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); + } + else { + document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); + } +} + +function embed_flash(bgcolor, width, height, link, loop, type) { + document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>'); +} + +function embed_flv(width, height, link, placeholder, loop, player) { + document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>'); +} + +function embed_wmedia(width, height, link) { + document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>'); +} + <?php + } + + /** + * Get the SimplePie build timestamp + * + * Uses the git index if it exists, otherwise uses the modification time + * of the newest file. + */ + public static function get_build() + { + $root = dirname(dirname(__FILE__)); + if (file_exists($root . '/.git/index')) + { + return filemtime($root . '/.git/index'); + } + elseif (file_exists($root . '/SimplePie')) + { + $time = 0; + foreach (glob($root . '/SimplePie/*.php') as $file) + { + if (($mtime = filemtime($file)) > $time) + { + $time = $mtime; + } + } + return $time; + } + elseif (file_exists(dirname(__FILE__) . '/Core.php')) + { + return filemtime(dirname(__FILE__) . '/Core.php'); + } + + return filemtime(__FILE__); + } + + /** + * Format debugging information + */ + public static function debug(&$sp) + { + $info = 'SimplePie ' . SIMPLEPIE_VERSION . ' Build ' . SIMPLEPIE_BUILD . "\n"; + $info .= 'PHP ' . PHP_VERSION . "\n"; + if ($sp->error() !== null) + { + $info .= 'Error occurred: ' . $sp->error() . "\n"; + } + else + { + $info .= "No error found.\n"; + } + $info .= "Extensions:\n"; + $extensions = array('pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml'); + foreach ($extensions as $ext) + { + if (extension_loaded($ext)) + { + $info .= " $ext loaded\n"; + switch ($ext) + { + case 'pcre': + $info .= ' Version ' . PCRE_VERSION . "\n"; + break; + case 'curl': + $version = curl_version(); + $info .= ' Version ' . $version['version'] . "\n"; + break; + case 'mbstring': + $info .= ' Overloading: ' . mb_get_info('func_overload') . "\n"; + break; + case 'iconv': + $info .= ' Version ' . ICONV_VERSION . "\n"; + break; + case 'xml': + $info .= ' Version ' . LIBXML_DOTTED_VERSION . "\n"; + break; + } + } + else + { + $info .= " $ext not loaded\n"; + } + } + return $info; + } + + public static function silence_errors($num, $str) + { + // No-op + } + + /** + * Sanitize a URL by removing HTTP credentials. + * @param string $url the URL to sanitize. + * @return string the same URL without HTTP credentials. + */ + public static function url_remove_credentials($url) + { + return preg_replace('#^(https?://)[^/:@]+:[^/:@]+@#i', '$1', $url); + } } + +class_alias('SimplePie_Misc', 'SimplePie\Misc', false); |