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<?php /** * Handles API calls to BitBucket * * @since 2.5.4 * * @package LearnDash / if ( !class_exists( 'LearnDash_BitBucket_API' ) ) { class LearnDash_BitBucket_API { // Production private $bb_OAuth = null; private $bb_OAuth_sets = array( 'fUEfEERS8FdprEzNMX' => 'gnBPjny5yummKe6zGv5MMCa5w9tDGstT', // ld_updates '32uKmTweF7WGUgXC2H' => 'qmUveCQvaZXD9LmAE8GFAd6a6H5SMk6U', // ld_updates2 'P2xXBphWPZP8Cbr8Rw' => 'qFvD9zrt9RVVpEJ6j2jEWjZJEgvhpzPZ', // ld_updates3 '8tvevj3YQQnyFJE5a2' => 'C5BuSGZBanNbmaEE7hjeQEnmPLwma3JE', // ld_updates4 '2LdbzTV4u5UhfTPS8t' => 'Y5eMpRVnFAWkvb3dmZuq64jTzNU9x93c', // ld_updates5 'jYyJyBctJ6wkxVVk7h' => 'NeKUN87Npyu8tGwN4eLCh5ZFjjazdu4e', // ld_updates6 'bn6Phmn3jVyQ2NfdPa' => 'Ct7MbLpuCyr56s8qvy6Eh7VteBEGshDp', // ld_updates7 'bTtudTumX8jQ56aJxc' => 'czwT3Cr75sBDTkDzGzwExwDhHcH6wVbL', // ld_updates8 'uAPE6cvgWjbHdEYpJg' => 'butXFuD3QNbX3uXrwf49J8vvDNMsPbpA', // ld_updates9 'P6xDsLKNTxGdSfUpnC' => 'XFk6PVJCu5bHmcJB7WN3v5afzEsyqAxL', // ld_updates10 'YUKnZucTb2pJchuDZS' => 'W6n5vBVz4vsvF4GQ7xu4zKA2JkA2DVHm', // ld_updates11 'YFfyNFaLKtU6cMm9c4' => 'WAnwBKqsj4r2YMU2zMVYSLwqDCt8hc4s', // ld_updates12 'asHX3Me2k68jf4ALms' => 'EMR6rEtFv8HKfqKhrzkwmYK6knkGTsq6', // ld_updates13 'J94b6KjjBaZDG8Awau' => '9b7nMpTSFBXR7mbc7rmF2hFZduRptjaW', // ld_updates14 'VGXFPJcysa83QWgGqY' => 'VUYEtkDG6L3jVCmJARyzRYTZpeWckD8B', // ld_updates15 'tKqG3xaLt5dawwLYJu' => 'AEdAJEyHUP9UuTEJ38E36rapvgHG9z3B', // ld_updates16 'TxNgg8AkcyhQDLmAaA' => 'usAw3tGPWW6k43KmdqKxZcLRbaVyMWvj', // ld_updates17 'r62wGrYYDGz2kTMjcN' => 'C4CWjLFeM2WaJg6egVJcFQK6XZSmZjgZ', // ld_updates18 'epKULsTE7DqP5SsJFw' => 'HjYQ8G5Npekq92Xf6vrbt8b79su8r2wb', // ld_updates19 'APfwmF6D4VaeAxLprB' => 'U7hyxFwX27mWYzgE5x5DzjHyCaCfqFK4', // ld_updates20 ); private $request_method = 'GET'; private $repo_url_base = 'https://api.bitbucket.org/2.0/repositories/learndash'; private $download_url_base = 'https://bitbucket.org/learndash'; function __construct() { } function init_oauth_key_set() { if ( empty( $this->bb_OAuth ) ) { $set_key = array_rand( $this->bb_OAuth_sets, 1 ); if ( !empty( $set_key ) ) { $this->bb_OAuth = array( 'consumer_key' => $set_key, 'consumer_secret' => $this->bb_OAuth_sets[$set_key], ); } } } function get_bb_nonce() { $mt = microtime(); $rand = mt_rand(); return md5($mt . '_' . $rand); } function get_repo_base_url() { return $this->repo_url_base; } function get_download_base_url() { return $this->download_url_base; } function get_readme_base_url() { return $this->readme_url_base; } function setup_url_params( $request_url = '' ) { if ( !empty( $request_url ) ) { $this->init_oauth_key_set(); $request_url_params = array( 'oauth_consumer_key' => $this->bb_OAuth['consumer_key'], 'oauth_nonce' => $this->get_bb_nonce(), 'oauth_signature_method' => 'HMAC-SHA1', 'oauth_timestamp' => time(), 'oauth_version' => '1.0', 'pagelen' => 100 ); ksort( $request_url_params ); //The most complicated part of the request - generating the signature. //The string to sign contains the HTTP method, the URL path, and all of //our query parameters. Everything is URL encoded. Then we concatenate //them with ampersands into a single string to hash. $encodedVerb = urlencode( $this->request_method ); $encodedUrl = urlencode( $request_url ); $encodedParams = urlencode( http_build_query( $request_url_params, '', '&' ) ); $stringToSign = $encodedVerb . '&' . $encodedUrl . '&' . $encodedParams; //Since we only have one OAuth token (the consumer secret) we only have //to use it as our HMAC key. However, we still have to append an & to it //as if we were using it with additional tokens. $secret = urlencode( $this->bb_OAuth['consumer_secret'] ) . '&'; //The signature is a hash of the consumer key and the base string. Note //that we have to get the raw output from hash_hmac and base64 encode //the binary data result. $request_url_params['oauth_signature'] = base64_encode( hash_hmac('sha1', $stringToSign, $secret, true ) ); $request_url .= '?' . http_build_query( $request_url_params ); } return $request_url; } function get_bitbucket_repositories() { // Clear out the existiing plugins array. $repository_data = array(); $request_url = $this->repo_url_base .'/learndash-add-ons/src/master/repositories.txt'; $request_url = $this->setup_url_params( $request_url ); if ( !empty( $request_url ) ) { $options = array('timeout' => LEARNDASH_HTTP_REMOTE_GET_TIMEOUT); $response = wp_remote_get( $request_url, $options ); if ( is_wp_error( $response ) ) { return $response; } $code = wp_remote_retrieve_response_code( $response ); $body = wp_remote_retrieve_body( $response ); if ( ( $code === 200 ) && ( !empty( $body ) ) ) { $repository_data = $this->parse_repository_txt( $body ); } } return $repository_data; } function get_bitbucket_repositories_ORG() { // Clear out the existiing plugins array. $repository_data = array(); $request_url = $this->repo_url_base; $request_url = $this->setup_url_params( $request_url ); if ( !empty( $request_url ) ) { $options = array('timeout' => LEARNDASH_HTTP_REMOTE_GET_TIMEOUT); $response = wp_remote_get( $request_url, $options ); if ( is_wp_error( $response ) ) { return $response; } $code = wp_remote_retrieve_response_code( $response ); $body = wp_remote_retrieve_body( $response ); if ( ( $code === 200 ) && ( !empty( $body ) ) ) { $repositories = json_decode( $body ); if ( ( property_exists( $repositories, 'values' ) ) && ( is_array( $repositories->values ) ) && ( !empty( $repositories->values ) ) ) { foreach( $repositories->values as $plugin ) { if ( property_exists( $plugin, 'slug' ) ) { //if ( in_array( $plugin->slug, array( 'plugin-test-1', 'plugin-test-2' ) ) ) { $repository_data[$plugin->slug] = $plugin; //} } } } } } return $repository_data; } // The following function is used to pull the readme.txt file from BitBucket. // But this was too costly from a connection standpoint. Plus made editing difficult // since a typo or quick change could not be applied to a new update. function get_bitbucket_repository_readme( $plugin_key = '' ) { if ( !empty( $plugin_key ) ) { $plugin_readme_file = ABSPATH . DIRECTORY_SEPARATOR . $plugin_key . '.txt'; if ( file_exists( $plugin_readme_file ) ) { $code = 200; $body = file_get_contents( $plugin_readme_file ); } else { $request_url = $this->repo_url_base .'/'. $plugin_key ."/src/master/readme.txt"; $request_url = $this->setup_url_params( $request_url ); if ( !empty( $request_url ) ) { //$request_url = 'http://local.learndash.com/_readme.txt'; $options = array('timeout' => LEARNDASH_HTTP_REMOTE_GET_TIMEOUT); $response = wp_remote_get( $request_url, $options ); if ( is_wp_error( $response ) ) { return $response; } $code = wp_remote_retrieve_response_code( $response ); $body = wp_remote_retrieve_body( $response ); } } if ( ( $code === 200 ) && ( !empty( $body ) ) ) { $readme_parser = new LearnDashWPReadmeParser(); $body_parsed = $readme_parser->parse_readme_contents( $body ); return $body_parsed; } } } // Retreive the readme.txt file from Amazon S3. // Filenamess should be in the form format <repo slug>_readme.txt // as in learndash-gravity-forms_readme.txt or learndash-edd_readme.txt function get_bitbucket_repository_readme_S3( $plugin_key = '' ) { if ( !empty( $plugin_key ) ) { $request_url = $this->readme_url_base .'/'. $plugin_key ."_readme.txt"; $options = array('timeout' => LEARNDASH_HTTP_REMOTE_GET_TIMEOUT); $response = wp_remote_get( $request_url, $options ); if ( is_wp_error( $response ) ) { return $response; } $code = wp_remote_retrieve_response_code( $response ); $body = wp_remote_retrieve_body( $response ); if ( ( $code === 200 ) && ( !empty( $body ) ) ) { $readme_parser = new LearnDashWPReadmeParser(); $body_parsed = $readme_parser->parse_readme_contents( $body ); return $body_parsed; } } } function get_bitbucket_repository_download_url( $plugin_key = '', $tag_or_version = 'stable' ) { if ( !empty( $plugin_key ) ) { $request_url = $this->download_url_base ."/". $plugin_key ."/get/". $tag_or_version .".zip"; return $request_url; } } / The calling function get_bitbucket_repositories() connects to bitbucket and retreives * a file respoitories.txt. Each line of the file represents a repository and contains * three fields separated by '\|'. * 1. repository slug * 2. current version * 3. last update YYYY-MM-DD hh:mm:ss * * @ since 2.5.7 / function parse_repository_txt( $file_contents = '' ) { $repositories_array = array(); $file_contents = str_replace(array("\r\n", "\r"), "\n", $file_contents); $file_contents = trim($file_contents); $file_contents_array = preg_split("/(\r\n\|\n\|\r)/", $file_contents ); if ( !empty( $file_contents_array ) ) { foreach( $file_contents_array as $repo_item_string ) { if ( !empty( $repo_item_string ) ) { list( $tmp_array['slug'], $tmp_array['version'], $tmp_array['updated_on'] ) = explode( '\|', $repo_item_string ); $tmp_array = array_map( 'trim', $tmp_array ); if ( ( isset( $tmp_array['slug'] ) ) && ( !empty( $tmp_array['slug'] ) ) ) { $repositories_array[$tmp_array['slug']] = (object)$tmp_array; } } } } return $repositories_array; } } } if ( !class_exists( 'LearnDashWPReadmeParser' ) ) { class LearnDashWPReadmeParser { function __construct() { // This space intentially blank } function parse_readme( $file ) { $file_contents = @implode('', @file($file)); return $this->parse_readme_contents( $file_contents ); } function parse_readme_contents( $file_contents ) { global $wpdb; $readme_sections = array(); if ( ! empty( $file_contents ) ) { $file_contents = $wpdb->strip_invalid_text_for_column( $wpdb->options, 'option_value', $file_contents ); } if ( ! empty( $file_contents ) ) { $file_contents = str_replace(array("\r\n", "\r"), "\n", $file_contents); $file_contents = trim($file_contents); if ( 0 === strpos( $file_contents, "\xEF\xBB\xBF" ) ) $file_contents = substr( $file_contents, 3 ); // Markdown transformations $file_contents = preg_replace( "\|^###([^#]+)#?\s?\n\|im", '=$1='."\n", $file_contents ); $file_contents = preg_replace( "\|^##([^#]+)#?\s?\n\|im", '==$1=='."\n", $file_contents ); $file_contents = preg_replace( "\|^#([^#]+)#?\s?\n\|im", '===$1==='."\n", $file_contents ); $file_contents_array = preg_split("/(\r\n\|\n\|\r)/", $file_contents ); if ( !empty( $file_contents_array ) ) { $section_current = ''; $_is_short_description = false; foreach( $file_contents_array as $line ) { if ( substr( $line, 0, 3 ) == '===' ) { $section_current = 'header'; if ( preg_match('\|^===(.)===\|', $line, $_name) ) { $readme_sections['name'] = $this->sanitize_text( trim( $_name[1] ) ); } continue; } else if ( substr( $line, 0, 2 ) == '==' ) { $section_current = ''; if ( preg_match('\|^==(.)==\|', $line, $_name) ) { $title = $this->sanitize_text( trim( $_name[1] ) ); $section_current = str_replace(' ', '_', strtolower( $title ) ); $readme_sections[$section_current] = array('title' => $title, 'content_raw' => '', 'content' => ''); continue; } } if ( !empty( $section_current ) ) { if ( $section_current == 'header' ) { if ( !empty( $line ) ) { if ( $_is_short_description == true ) { $short_desc_filtered = $this->sanitize_text( $line ); $short_desc_length = strlen($short_desc_filtered); $short_description = substr($short_desc_filtered, 0, 150); $readme_sections['short_description'] = $short_description; if ( $short_desc_length > strlen($short_description) ) $truncated = true; else $truncated = false; $readme_sections['is_truncated'] = $truncated; } else { $line_parts = explode(':', $line, 2 ); if ( count( $line_parts ) > 1 ) { $title = $this->sanitize_text( trim( $line_parts[0] ) ); $title = str_replace(' ', '_', strtolower($title)); $readme_sections[$title] = trim( $line_parts[1] ); } } } else { $_is_short_description = true; } } else if ( isset( $readme_sections[$section_current]['content_raw'] ) ) { if ( ( empty( $line ) ) && ( empty( $readme_sections[$section_current]['content_raw'] ) ) ) continue; else $readme_sections[$section_current]['content_raw'] .= $line ."\r\n"; } } } } if ( ( isset( $readme_sections['tags'] ) ) && ( !empty( $readme_sections['tags'] ) ) ) { $tags_str = $readme_sections['tags']; $readme_sections['tags'] = array(); $tags_array = preg_split('\|,[\s]?\|', trim( $tags_str ) ); if ( count( $tags_array ) > 1 ) { //foreach ( array_keys( $tags_array ) as $t ) { // $readme_sections['tags'][$t] = $this->sanitize_text( $tags_array[$t] ); //} $readme_sections['tags'] = array_map( array( $this, 'sanitize_text'), $tags_array ); } } else { $readme_sections['tags'] = array(); } /* if ( ( isset( $readme_sections['contributors'] ) ) && ( !empty( $readme_sections['contributors'] ) ) ) { $contributors_str = $readme_sections['contributors']; $readme_sections['contributors'] = array(); $contributors_array = preg_split('\|,[\s]?\|', trim( $contributors_str ) ); if ( count( $contributors_array ) > 1 ) { //foreach ( array_keys( $contributors_array ) as $t ) { // $readme_sections['contributors'][$t] = $this->user_sanitize( $contributors_array[$t] ); //} $readme_sections['contributors'] = array_map( array( $this, 'user_sanitize'), $contributors_array ); } } else { / $readme_sections['contributors'] = array(); //} foreach( array( 'changelog', 'upgrade_notice', 'upgrade_notice_admin' ) as $section_key ) { if ( ( isset( $readme_sections[$section_key]['content_raw'] ) ) && ( !empty( $readme_sections[$section_key]['content_raw'] ) ) ) { $split = preg_split( '#=(.?)=#', $readme_sections[$section_key]['content_raw'], -1, PREG_SPLIT_DELIM_CAPTURE \| PREG_SPLIT_NO_EMPTY ); $readme_sections[$section_key]['content'] = array(); for ( $i = 0; $i < count( $split ); $i += 2 ) { $readme_sections[$section_key]['content'][$this->sanitize_text( $split[$i] )] = $this->filter_text( $this->sanitize_text( $split[$i + 1] ), true ); } } } foreach( array( 'icons', 'banners' ) as $section_key ) { if ( ( isset( $readme_sections[$section_key]['content_raw'] ) ) && ( !empty( $readme_sections[$section_key]['content_raw'] ) ) ) { $items = explode( PHP_EOL, $readme_sections[$section_key]['content_raw'] ); if ( !empty( $items ) ) { $readme_sections[$section_key] = array(); foreach( $items as $item ) { $item = trim( $item ); if ( !empty( $item ) ) { $item_split = explode( ':', $item, 2 ); $readme_sections[$section_key][$item_split[0]] = $item_split[1]; } } } } } $readme_sections['sections'] = array(); foreach( array( 'description', 'installation', 'frequently_asked_questions', 'changelog', 'arbitrary_section' ) as $section_key ) { if ( ( isset( $readme_sections[$section_key]['content_raw'] ) ) && ( !empty( $readme_sections[$section_key]['content_raw'] ) ) ) { $readme_sections[$section_key]['content'] = preg_replace('/^[\s]=[\s]+(.+?)[\s]+=/m', '<h4>$1</h4>', $readme_sections[$section_key]['content_raw'] ); $readme_sections[$section_key]['content'] = $this->filter_text( $readme_sections[$section_key]['content'], true ); $readme_sections['sections'][$section_key] = $readme_sections[$section_key]['content']; } } } return $readme_sections; } function sanitize_text( $text ) { // not fancy $text = strip_tags($text); $text = esc_html($text); $text = trim($text); return $text; } function filter_text( $text, $markdown = false ) { // fancy, Markdown $text = trim($text); $text = call_user_func( array( __CLASS__, 'code_trick' ), $text, $markdown ); // A better parser than Markdown's for: backticks -> CODE //if ( $markdown ) { // Parse markdown. // if ( !function_exists('Markdown') ) // require( WORDPRESS_README_MARKDOWN ); // $text = Markdown($text); //} if ( $markdown ) { // Parse markdown. //if ( !class_exists('LeanDashParsedown', false) ) { // /** @noinspection PhpIncludeInspection / // require_once(dirname(__FILE__) . '/Parsedown' . (version_compare(PHP_VERSION, '5.3.0', '>=') ? '' : 'Legacy') . '.php'); //} $instance = LeanDashParsedown::instance(); $text = $instance->text($text); } $allowed = array( 'a' => array( 'href' => array(), 'title' => array(), 'rel' => array()), 'blockquote' => array('cite' => array()), 'br' => array(), 'p' => array(), 'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(), 'h3' => array(), 'h4' => array() ); $text = balanceTags($text); $text = wp_kses( $text, $allowed ); $text = trim($text); return $text; } function code_trick( $text, $markdown ) { // Don't use bbPress native function - it's incompatible with Markdown // If doing markdown, first take any user formatted code blocks and turn them into backticks so that // markdown will preserve things like underscores in code blocks if ( $markdown ) $text = preg_replace_callback("!(<pre><code>\|<code>)(.?)(</code></pre>\|</code>)!s", array( __CLASS__,'decodeit'), $text); $text = str_replace(array("\r\n", "\r"), "\n", $text); if ( !$markdown ) { // This gets the "inline" code blocks, but can't be used with Markdown. $text = preg_replace_callback("\|(`)(.?)`\|", array( __CLASS__, 'encodeit'), $text); // This gets the "block level" code blocks and converts them to PRE CODE $text = preg_replace_callback("!(^\|\n)`(.?)`!s", array( __CLASS__, 'encodeit'), $text); } else { // Markdown can do inline code, we convert bbPress style block level code to Markdown style $text = preg_replace_callback("!(^\|\n)([ \t]?)`(.?)`!s", array( __CLASS__, 'indent'), $text); } return $text; } function indent( $matches ) { $text = $matches[3]; $text = preg_replace('\|^\|m', $matches[2] . ' ', $text); return $matches[1] . $text; } function encodeit( $matches ) { if ( function_exists('encodeit') ) // bbPress native return encodeit( $matches ); $text = trim($matches[2]); $text = htmlspecialchars($text, ENT_QUOTES); $text = str_replace(array("\r\n", "\r"), "\n", $text); $text = preg_replace("\|\n\n\n+\|", "\n\n", $text); $text = str_replace('&lt;', '<', $text); $text = str_replace('&gt;', '>', $text); $text = "<code>$text</code>"; if ( "`" != $matches[1] ) $text = "<pre>$text</pre>"; return $text; } function decodeit( $matches ) { if ( function_exists('decodeit') ) // bbPress native return decodeit( $matches ); $text = $matches[2]; $trans_table = array_flip(get_html_translation_table(HTML_ENTITIES)); $text = strtr($text, $trans_table); $text = str_replace('<br />', '', $text); $text = str_replace('&', '&', $text); $text = str_replace(''', "'", $text); if ( '<pre><code>' == $matches[1] ) $text = "\n$text\n"; return "`$text`"; } } # # # LeanDashParsedown # http://parsedown.org # # (c) Emanuil Rusev # http://erusev.com # # For the full license information, view the LICENSE file that was distributed # with this source code. # # class LeanDashParsedown { # ~ const version = '1.6.0'; # ~ function text($text) { # make sure no definitions are set $this->DefinitionData = array(); # standardize line breaks $text = str_replace(array("\r\n", "\r"), "\n", $text); # remove surrounding line breaks $text = trim($text, "\n"); # split text into lines $lines = explode("\n", $text); # iterate through lines to identify blocks $markup = $this->lines($lines); # trim line breaks $markup = trim($markup, "\n"); return $markup; } # # Setters # function setBreaksEnabled($breaksEnabled) { $this->breaksEnabled = $breaksEnabled; return $this; } protected $breaksEnabled; function setMarkupEscaped($markupEscaped) { $this->markupEscaped = $markupEscaped; return $this; } protected $markupEscaped; function setUrlsLinked($urlsLinked) { $this->urlsLinked = $urlsLinked; return $this; } protected $urlsLinked = true; # # Lines # protected $BlockTypes = array( '#' => array('Header'), '' => array('Rule', 'List'), '+' => array('List'), '-' => array('SetextHeader', 'Table', 'Rule', 'List'), '0' => array('List'), '1' => array('List'), '2' => array('List'), '3' => array('List'), '4' => array('List'), '5' => array('List'), '6' => array('List'), '7' => array('List'), '8' => array('List'), '9' => array('List'), ':' => array('Table'), '<' => array('Comment', 'Markup'), '=' => array('SetextHeader'), '>' => array('Quote'), '[' => array('Reference'), '_' => array('Rule'), '`' => array('FencedCode'), '\|' => array('Table'), '~' => array('FencedCode'), ); # ~ protected $unmarkedBlockTypes = array( 'Code', ); # # Blocks # protected function lines(array $lines) { $CurrentBlock = null; foreach ($lines as $line) { if (chop($line) === '') { if (isset($CurrentBlock)) { $CurrentBlock['interrupted'] = true; } continue; } if (strpos($line, "\t") !== false) { $parts = explode("\t", $line); $line = $parts[0]; unset($parts[0]); foreach ($parts as $part) { $shortage = 4 - mb_strlen($line, 'utf-8') % 4; $line .= str_repeat(' ', $shortage); $line .= $part; } } $indent = 0; while (isset($line[$indent]) and $line[$indent] === ' ') { $indent ++; } $text = $indent > 0 ? substr($line, $indent) : $line; # ~ $Line = array('body' => $line, 'indent' => $indent, 'text' => $text); # ~ if (isset($CurrentBlock['continuable'])) { $Block = $this->{'block'.$CurrentBlock['type'].'Continue'}($Line, $CurrentBlock); if (isset($Block)) { $CurrentBlock = $Block; continue; } else { if ($this->isBlockCompletable($CurrentBlock['type'])) { $CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock); } } } # ~ $marker = $text[0]; # ~ $blockTypes = $this->unmarkedBlockTypes; if (isset($this->BlockTypes[$marker])) { foreach ($this->BlockTypes[$marker] as $blockType) { $blockTypes []= $blockType; } } # # ~ foreach ($blockTypes as $blockType) { $Block = $this->{'block'.$blockType}($Line, $CurrentBlock); if (isset($Block)) { $Block['type'] = $blockType; if ( ! isset($Block['identified'])) { $Blocks []= $CurrentBlock; $Block['identified'] = true; } if ($this->isBlockContinuable($blockType)) { $Block['continuable'] = true; } $CurrentBlock = $Block; continue 2; } } # ~ if (isset($CurrentBlock) and ! isset($CurrentBlock['type']) and ! isset($CurrentBlock['interrupted'])) { $CurrentBlock['element']['text'] .= "\n".$text; } else { $Blocks []= $CurrentBlock; $CurrentBlock = $this->paragraph($Line); $CurrentBlock['identified'] = true; } } # ~ if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type'])) { $CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock); } # ~ $Blocks []= $CurrentBlock; unset($Blocks[0]); # ~ $markup = ''; foreach ($Blocks as $Block) { if (isset($Block['hidden'])) { continue; } $markup .= "\n"; $markup .= isset($Block['markup']) ? $Block['markup'] : $this->element($Block['element']); } $markup .= "\n"; # ~ return $markup; } protected function isBlockContinuable($Type) { return method_exists($this, 'block'.$Type.'Continue'); } protected function isBlockCompletable($Type) { return method_exists($this, 'block'.$Type.'Complete'); } # # Code protected function blockCode($Line, $Block = null) { if (isset($Block) and ! isset($Block['type']) and ! isset($Block['interrupted'])) { return; } if ($Line['indent'] >= 4) { $text = substr($Line['body'], 4); $Block = array( 'element' => array( 'name' => 'pre', 'handler' => 'element', 'text' => array( 'name' => 'code', 'text' => $text, ), ), ); return $Block; } } protected function blockCodeContinue($Line, $Block) { if ($Line['indent'] >= 4) { if (isset($Block['interrupted'])) { $Block['element']['text']['text'] .= "\n"; unset($Block['interrupted']); } $Block['element']['text']['text'] .= "\n"; $text = substr($Line['body'], 4); $Block['element']['text']['text'] .= $text; return $Block; } } protected function blockCodeComplete($Block) { $text = $Block['element']['text']['text']; $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8'); $Block['element']['text']['text'] = $text; return $Block; } # # Comment protected function blockComment($Line) { if ($this->markupEscaped) { return; } if (isset($Line['text'][3]) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!') { $Block = array( 'markup' => $Line['body'], ); if (preg_match('/-->$/', $Line['text'])) { $Block['closed'] = true; } return $Block; } } protected function blockCommentContinue($Line, array $Block) { if (isset($Block['closed'])) { return; } $Block['markup'] .= "\n" . $Line['body']; if (preg_match('/-->$/', $Line['text'])) { $Block['closed'] = true; } return $Block; } # # Fenced Code protected function blockFencedCode($Line) { if (preg_match('/^['.$Line['text'][0].']{3,}[ ]([\w-]+)?[ ]$/', $Line['text'], $matches)) { $Element = array( 'name' => 'code', 'text' => '', ); if (isset($matches[1])) { $class = 'language-'.$matches[1]; $Element['attributes'] = array( 'class' => $class, ); } $Block = array( 'char' => $Line['text'][0], 'element' => array( 'name' => 'pre', 'handler' => 'element', 'text' => $Element, ), ); return $Block; } } protected function blockFencedCodeContinue($Line, $Block) { if (isset($Block['complete'])) { return; } if (isset($Block['interrupted'])) { $Block['element']['text']['text'] .= "\n"; unset($Block['interrupted']); } if (preg_match('/^'.$Block['char'].'{3,}[ ]$/', $Line['text'])) { $Block['element']['text']['text'] = substr($Block['element']['text']['text'], 1); $Block['complete'] = true; return $Block; } $Block['element']['text']['text'] .= "\n".$Line['body'];; return $Block; } protected function blockFencedCodeComplete($Block) { $text = $Block['element']['text']['text']; $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8'); $Block['element']['text']['text'] = $text; return $Block; } # # Header protected function blockHeader($Line) { if (isset($Line['text'][1])) { $level = 1; while (isset($Line['text'][$level]) and $Line['text'][$level] === '#') { $level ++; } if ($level > 6) { return; } $text = trim($Line['text'], '# '); $Block = array( 'element' => array( 'name' => 'h' . min(6, $level), 'text' => $text, 'handler' => 'line', ), ); return $Block; } } # # List protected function blockList($Line) { list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[+-]') : array('ol', '[0-9]+[.]'); if (preg_match('/^('.$pattern.'[ ]+)(.)/', $Line['text'], $matches)) { $Block = array( 'indent' => $Line['indent'], 'pattern' => $pattern, 'element' => array( 'name' => $name, 'handler' => 'elements', ), ); $Block['li'] = array( 'name' => 'li', 'handler' => 'li', 'text' => array( $matches[2], ), ); $Block['element']['text'] []= & $Block['li']; return $Block; } } protected function blockListContinue($Line, array $Block) { if ($Block['indent'] === $Line['indent'] and preg_match('/^'.$Block['pattern'].'(?:[ ]+(.)\|$)/', $Line['text'], $matches)) { if (isset($Block['interrupted'])) { $Block['li']['text'] []= ''; unset($Block['interrupted']); } unset($Block['li']); $text = isset($matches[1]) ? $matches[1] : ''; $Block['li'] = array( 'name' => 'li', 'handler' => 'li', 'text' => array( $text, ), ); $Block['element']['text'] []= & $Block['li']; return $Block; } if ($Line['text'][0] === '[' and $this->blockReference($Line)) { return $Block; } if ( ! isset($Block['interrupted'])) { $text = preg_replace('/^[ ]{0,4}/', '', $Line['body']); $Block['li']['text'] []= $text; return $Block; } if ($Line['indent'] > 0) { $Block['li']['text'] []= ''; $text = preg_replace('/^[ ]{0,4}/', '', $Line['body']); $Block['li']['text'] []= $text; unset($Block['interrupted']); return $Block; } } # # Quote protected function blockQuote($Line) { if (preg_match('/^>[ ]?(.)/', $Line['text'], $matches)) { $Block = array( 'element' => array( 'name' => 'blockquote', 'handler' => 'lines', 'text' => (array) $matches[1], ), ); return $Block; } } protected function blockQuoteContinue($Line, array $Block) { if ($Line['text'][0] === '>' and preg_match('/^>[ ]?(.)/', $Line['text'], $matches)) { if (isset($Block['interrupted'])) { $Block['element']['text'] []= ''; unset($Block['interrupted']); } $Block['element']['text'] []= $matches[1]; return $Block; } if ( ! isset($Block['interrupted'])) { $Block['element']['text'] []= $Line['text']; return $Block; } } # # Rule protected function blockRule($Line) { if (preg_match('/^(['.$Line['text'][0].'])([ ]\1){2,}[ ]$/', $Line['text'])) { $Block = array( 'element' => array( 'name' => 'hr' ), ); return $Block; } } # # Setext protected function blockSetextHeader($Line, array $Block = null) { if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted'])) { return; } if (chop($Line['text'], $Line['text'][0]) === '') { $Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2'; return $Block; } } # # Markup protected function blockMarkup($Line) { if ($this->markupEscaped) { return; } if (preg_match('/^<(\w)(?:[ ]'.$this->regexHtmlAttribute.')[ ](\/)?>/', $Line['text'], $matches)) { $element = strtolower($matches[1]); if (in_array($element, $this->textLevelElements)) { return; } $Block = array( 'name' => $matches[1], 'depth' => 0, 'markup' => $Line['text'], ); $length = strlen($matches[0]); $remainder = substr($Line['text'], $length); if (trim($remainder) === '') { if (isset($matches[2]) or in_array($matches[1], $this->voidElements)) { $Block['closed'] = true; $Block['void'] = true; } } else { if (isset($matches[2]) or in_array($matches[1], $this->voidElements)) { return; } if (preg_match('/<\/'.$matches[1].'>[ ]$/i', $remainder)) { $Block['closed'] = true; } } return $Block; } } protected function blockMarkupContinue($Line, array $Block) { if (isset($Block['closed'])) { return; } if (preg_match('/^<'.$Block['name'].'(?:[ ]'.$this->regexHtmlAttribute.')[ ]>/i', $Line['text'])) # open { $Block['depth'] ++; } if (preg_match('/(.?)<\/'.$Block['name'].'>[ ]$/i', $Line['text'], $matches)) # close { if ($Block['depth'] > 0) { $Block['depth'] --; } else { $Block['closed'] = true; } } if (isset($Block['interrupted'])) { $Block['markup'] .= "\n"; unset($Block['interrupted']); } $Block['markup'] .= "\n".$Line['body']; return $Block; } # # Reference protected function blockReference($Line) { if (preg_match('/^\[(.+?)\]:[ ]<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]$/', $Line['text'], $matches)) { $id = strtolower($matches[1]); $Data = array( 'url' => $matches[2], 'title' => null, ); if (isset($matches[3])) { $Data['title'] = $matches[3]; } $this->DefinitionData['Reference'][$id] = $Data; $Block = array( 'hidden' => true, ); return $Block; } } # # Table protected function blockTable($Line, array $Block = null) { if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted'])) { return; } if (strpos($Block['element']['text'], '\|') !== false and chop($Line['text'], ' -:\|') === '') { $alignments = array(); $divider = $Line['text']; $divider = trim($divider); $divider = trim($divider, '\|'); $dividerCells = explode('\|', $divider); foreach ($dividerCells as $dividerCell) { $dividerCell = trim($dividerCell); if ($dividerCell === '') { continue; } $alignment = null; if ($dividerCell[0] === ':') { $alignment = 'left'; } if (substr($dividerCell, - 1) === ':') { $alignment = $alignment === 'left' ? 'center' : 'right'; } $alignments []= $alignment; } # ~ $HeaderElements = array(); $header = $Block['element']['text']; $header = trim($header); $header = trim($header, '\|'); $headerCells = explode('\|', $header); foreach ($headerCells as $index => $headerCell) { $headerCell = trim($headerCell); $HeaderElement = array( 'name' => 'th', 'text' => $headerCell, 'handler' => 'line', ); if (isset($alignments[$index])) { $alignment = $alignments[$index]; $HeaderElement['attributes'] = array( 'style' => 'text-align: '.$alignment.';', ); } $HeaderElements []= $HeaderElement; } # ~ $Block = array( 'alignments' => $alignments, 'identified' => true, 'element' => array( 'name' => 'table', 'handler' => 'elements', ), ); $Block['element']['text'] []= array( 'name' => 'thead', 'handler' => 'elements', ); $Block['element']['text'] []= array( 'name' => 'tbody', 'handler' => 'elements', 'text' => array(), ); $Block['element']['text'][0]['text'] []= array( 'name' => 'tr', 'handler' => 'elements', 'text' => $HeaderElements, ); return $Block; } } protected function blockTableContinue($Line, array $Block) { if (isset($Block['interrupted'])) { return; } if ($Line['text'][0] === '\|' or strpos($Line['text'], '\|')) { $Elements = array(); $row = $Line['text']; $row = trim($row); $row = trim($row, '\|'); preg_match_all('/(?:(\\\\[\|])\|[^\|`]\|`[^`]+`\|`)+/', $row, $matches); foreach ($matches[0] as $index => $cell) { $cell = trim($cell); $Element = array( 'name' => 'td', 'handler' => 'line', 'text' => $cell, ); if (isset($Block['alignments'][$index])) { $Element['attributes'] = array( 'style' => 'text-align: '.$Block['alignments'][$index].';', ); } $Elements []= $Element; } $Element = array( 'name' => 'tr', 'handler' => 'elements', 'text' => $Elements, ); $Block['element']['text'][1]['text'] []= $Element; return $Block; } } # # ~ # protected function paragraph($Line) { $Block = array( 'element' => array( 'name' => 'p', 'text' => $Line['text'], 'handler' => 'line', ), ); return $Block; } # # Inline Elements # protected $InlineTypes = array( '"' => array('SpecialCharacter'), '!' => array('Image'), '&' => array('SpecialCharacter'), '' => array('Emphasis'), ':' => array('Url'), '<' => array('UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter'), '>' => array('SpecialCharacter'), '[' => array('Link'), '_' => array('Emphasis'), '`' => array('Code'), '~' => array('Strikethrough'), '\\' => array('EscapeSequence'), ); # ~ protected $inlineMarkerList = '!"_&[:<>`~\\'; # # ~ # public function line($text) { $markup = ''; # $excerpt is based on the first occurrence of a marker while ($excerpt = strpbrk($text, $this->inlineMarkerList)) { $marker = $excerpt[0]; $markerPosition = strpos($text, $marker); $Excerpt = array('text' => $excerpt, 'context' => $text); foreach ($this->InlineTypes[$marker] as $inlineType) { $Inline = $this->{'inline'.$inlineType}($Excerpt); if ( ! isset($Inline)) { continue; } # makes sure that the inline belongs to "our" marker if (isset($Inline['position']) and $Inline['position'] > $markerPosition) { continue; } # sets a default inline position if ( ! isset($Inline['position'])) { $Inline['position'] = $markerPosition; } # the text that comes before the inline $unmarkedText = substr($text, 0, $Inline['position']); # compile the unmarked text $markup .= $this->unmarkedText($unmarkedText); # compile the inline $markup .= isset($Inline['markup']) ? $Inline['markup'] : $this->element($Inline['element']); # remove the examined text $text = substr($text, $Inline['position'] + $Inline['extent']); continue 2; } # the marker does not belong to an inline $unmarkedText = substr($text, 0, $markerPosition + 1); $markup .= $this->unmarkedText($unmarkedText); $text = substr($text, $markerPosition + 1); } $markup .= $this->unmarkedText($text); return $markup; } # # ~ # protected function inlineCode($Excerpt) { $marker = $Excerpt['text'][0]; if (preg_match('/^('.$marker.'+)[ ](.+?)[ ](?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches)) { $text = $matches[2]; $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8'); $text = preg_replace("/[ ]\n/", ' ', $text); return array( 'extent' => strlen($matches[0]), 'element' => array( 'name' => 'code', 'text' => $text, ), ); } } protected function inlineEmailTag($Excerpt) { if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches)) { $url = $matches[1]; if ( ! isset($matches[2])) { $url = 'mailto:' . $url; } return array( 'extent' => strlen($matches[0]), 'element' => array( 'name' => 'a', 'text' => $matches[1], 'attributes' => array( 'href' => $url, ), ), ); } } protected function inlineEmphasis($Excerpt) { if ( ! isset($Excerpt['text'][1])) { return; } $marker = $Excerpt['text'][0]; if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches)) { $emphasis = 'strong'; } elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches)) { $emphasis = 'em'; } else { return; } return array( 'extent' => strlen($matches[0]), 'element' => array( 'name' => $emphasis, 'handler' => 'line', 'text' => $matches[1], ), ); } protected function inlineEscapeSequence($Excerpt) { if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters)) { return array( 'markup' => $Excerpt['text'][1], 'extent' => 2, ); } } protected function inlineImage($Excerpt) { if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[') { return; } $Excerpt['text']= substr($Excerpt['text'], 1); $Link = $this->inlineLink($Excerpt); if ($Link === null) { return; } $Inline = array( 'extent' => $Link['extent'] + 1, 'element' => array( 'name' => 'img', 'attributes' => array( 'src' => $Link['element']['attributes']['href'], 'alt' => $Link['element']['text'], ), ), ); $Inline['element']['attributes'] += $Link['element']['attributes']; unset($Inline['element']['attributes']['href']); return $Inline; } protected function inlineLink($Excerpt) { $Element = array( 'name' => 'a', 'handler' => 'line', 'text' => null, 'attributes' => array( 'href' => null, 'title' => null, ), ); $extent = 0; $remainder = $Excerpt['text']; if (preg_match('/\[((?:[^][]\|(?R)))\]/', $remainder, $matches)) { $Element['text'] = $matches[1]; $extent += strlen($matches[0]); $remainder = substr($remainder, $extent); } else { return; } if (preg_match('/^[(]((?:[^ ()]\|[(][^ )]+[)])+)(?:[ ]+("[^"]"\|\'[^\']\'))?[)]/', $remainder, $matches)) { $Element['attributes']['href'] = $matches[1]; if (isset($matches[2])) { $Element['attributes']['title'] = substr($matches[2], 1, - 1); } $extent += strlen($matches[0]); } else { if (preg_match('/^\s\[(.?)\]/', $remainder, $matches)) { $definition = strlen($matches[1]) ? $matches[1] : $Element['text']; $definition = strtolower($definition); $extent += strlen($matches[0]); } else { $definition = strtolower($Element['text']); } if ( ! isset($this->DefinitionData['Reference'][$definition])) { return; } $Definition = $this->DefinitionData['Reference'][$definition]; $Element['attributes']['href'] = $Definition['url']; $Element['attributes']['title'] = $Definition['title']; } $Element['attributes']['href'] = str_replace(array('&', '<'), array('&', '<'), $Element['attributes']['href']); return array( 'extent' => $extent, 'element' => $Element, ); } protected function inlineMarkup($Excerpt) { if ($this->markupEscaped or strpos($Excerpt['text'], '>') === false) { return; } if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[ ]>/s', $Excerpt['text'], $matches)) { return array( 'markup' => $matches[0], 'extent' => strlen($matches[0]), ); } if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?[^-])-->/s', $Excerpt['text'], $matches)) { return array( 'markup' => $matches[0], 'extent' => strlen($matches[0]), ); } if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w(?:[ ]'.$this->regexHtmlAttribute.')[ ]\/?>/s', $Excerpt['text'], $matches)) { return array( 'markup' => $matches[0], 'extent' => strlen($matches[0]), ); } } protected function inlineSpecialCharacter($Excerpt) { if ($Excerpt['text'][0] === '&' and ! preg_match('/^&#?\w+;/', $Excerpt['text'])) { return array( 'markup' => '&', 'extent' => 1, ); } $SpecialCharacter = array('>' => 'gt', '<' => 'lt', '"' => 'quot'); if (isset($SpecialCharacter[$Excerpt['text'][0]])) { return array( 'markup' => '&'.$SpecialCharacter[$Excerpt['text'][0]].';', 'extent' => 1, ); } } protected function inlineStrikethrough($Excerpt) { if ( ! isset($Excerpt['text'][1])) { return; } if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches)) { return array( 'extent' => strlen($matches[0]), 'element' => array( 'name' => 'del', 'text' => $matches[1], 'handler' => 'line', ), ); } } protected function inlineUrl($Excerpt) { if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/') { return; } if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\//ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE)) { $Inline = array( 'extent' => strlen($matches[0][0]), 'position' => $matches[0][1], 'element' => array( 'name' => 'a', 'text' => $matches[0][0], 'attributes' => array( 'href' => $matches[0][0], ), ), ); return $Inline; } } protected function inlineUrlTag($Excerpt) { if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches)) { $url = str_replace(array('&', '<'), array('&', '<'), $matches[1]); return array( 'extent' => strlen($matches[0]), 'element' => array( 'name' => 'a', 'text' => $url, 'attributes' => array( 'href' => $url, ), ), ); } } # ~ protected function unmarkedText($text) { if ($this->breaksEnabled) { $text = preg_replace('/[ ]\n/', "<br />\n", $text); } else { $text = preg_replace('/(?:[ ][ ]+\|[ ]\\\\)\n/', "<br />\n", $text); $text = str_replace(" \n", "\n", $text); } return $text; } # # Handlers # protected function element(array $Element) { $markup = '<'.$Element['name']; if (isset($Element['attributes'])) { foreach ($Element['attributes'] as $name => $value) { if ($value === null) { continue; } $markup .= ' '.$name.'="'.$value.'"'; } } if (isset($Element['text'])) { $markup .= '>'; if (isset($Element['handler'])) { $markup .= $this->{$Element['handler']}($Element['text']); } else { $markup .= $Element['text']; } $markup .= '</'.$Element['name'].'>'; } else { $markup .= ' />'; } return $markup; } protected function elements(array $Elements) { $markup = ''; foreach ($Elements as $Element) { $markup .= "\n" . $this->element($Element); } $markup .= "\n"; return $markup; } # ~ protected function li($lines) { $markup = $this->lines($lines); $trimmedMarkup = trim($markup); if ( ! in_array('', $lines) and substr($trimmedMarkup, 0, 3) === '<p>') { $markup = $trimmedMarkup; $markup = substr($markup, 3); $position = strpos($markup, "</p>"); $markup = substr_replace($markup, '', $position, 4); } return $markup; } # # Deprecated Methods # function parse($text) { $markup = $this->text($text); return $markup; } # # Static Methods # static function instance($name = 'default') { if (isset(self::$instances[$name])) { return self::$instances[$name]; } $instance = new static(); self::$instances[$name] = $instance; return $instance; } private static $instances = array(); # # Fields # protected $DefinitionData; # # Read-Only protected $specialCharacters = array( '\\', '`', '', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '\|', ); protected $StrongRegex = array( '' => '/^[]{2}((?:\\\\\\|[^]\|[][^][])+?)[]{2}(?![])/s', '_' => '/^__((?:\\\\_\|[^_]\|_[^_]_)+?)__(?!_)/us', ); protected $EmRegex = array( '' => '/^[]((?:\\\\\\|[^]\|[][][^]+?[][])+?)[](?![])/s', '_' => '/^_((?:\\\\_\|[^_]\|__[^_]__)+?)_(?!_)\b/us', ); protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-](?:\s=\s(?:[^"\'=<>`\s]+\|"[^"]"\|\'[^\']\'))?'; protected $voidElements = array( 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', ); protected $textLevelElements = array( 'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont', 'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing', 'i', 'rp', 'del', 'code', 'strike', 'marquee', 'q', 'rt', 'ins', 'font', 'strong', 's', 'tt', 'sub', 'mark', 'u', 'xm', 'sup', 'nobr', 'var', 'ruby', 'wbr', 'span', 'time', ); } }

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