* @author Mark C. Prins */ /** * Twitter Plugin Syntax plugin component. */ class syntax_plugin_twitter extends DokuWiki_Syntax_Plugin { private $_oauth_consumer_key; private $_oauth_consumer_secret; private $_oauth_token; private $_oauth_token_secret; private function replace($data) { $sTitle = $data [1]; $data = $data [0]; $sResponse = '

'; if (!isset($data)) { return $sResponse . '

Twitter error....

'; } // dbglog($data->errors,"error data"); if (is_array($data->errors)) { return $sResponse . '

Twitter error...
' . $data->errors [0]->code . ': ' . $data->errors [0]->message . '

'; } $sResponse .= ''; $sResponse .= ''; foreach ($data as $entry) { // dbglog($entry, "=================entry================="); $text = $entry->text . " "; $image = $entry->user->profile_image_url; $time = $entry->created_at; $time = strtotime($time); $time = $this->Timesince($time); $from = $entry->from_user; $name = ""; if (!empty($entry->user->name)) { $name = $entry->user->name; } if (empty($from)) { $from = $entry->user->screen_name; } $permalink = 'https://twitter.com/' . $from . '/status/' . $entry->id_str; if (isset($entry->profile_image_url)) { $image = $entry->profile_image_url; } // get links $search = array( '`((?:https?|ftp)://\S+[[:alnum:]]/?)`si', '`((?$1 ', '$1' ); $text = preg_replace($search, $replace, $text); // get hashtags if (preg_match_all('/#(.*?)\s/', $text, $arMatches)) { for ($i = 0; $i < count($arMatches [0]); $i ++) { $text = str_replace($arMatches [0] [$i], '' . $arMatches [0] [$i] . "", $text); } } // get twitterer if (preg_match_all('/(^| )@(.*?)\s/', $text, $arMatches)) { for ($i = 0; $i < count($arMatches [0]); $i ++) { $strTwitterer = preg_replace('/\W/', '', $arMatches [0] [$i]); $text = str_replace($strTwitterer, '' . $strTwitterer . "", $text); } } $sResponse .= ''; $sResponse .= ' '; $sResponse .= ' '; $sResponse .= ''; } $sResponse .= '

'; $sResponse .= ''; $sResponse .= $sTitle; $sResponse .= '
' . p_render('xhtml', p_get_instructions('{{' . $image . '?48&nolink\|' . $from . ' avatar}}'), $info) . '	' . $text . ' ' . sprintf($this->getLang('timestamp'), $time) . ' ' . $name . " (@" . $from . ")" . '

'; return $sResponse; } /** * Works out the time since the entry post, takes a an argument in unix time (seconds). * * @param int $original unix time (seconds) * @return string */ public function Timesince($original) { $chunks = [ [ 60 * 60 * 24 * 365, $this->getLang('year'), $this->getLang('years') ], [ 60 * 60 * 24 * 30, $this->getLang('month'), $this->getLang('months') ], [ 60 * 60 * 24 * 7, $this->getLang('week'), $this->getLang('weeks') ], [ 60 * 60 * 24, $this->getLang('day'), $this->getLang('days') ], [ 60 * 60, $this->getLang('hour'), $this->getLang('hours') ], [ 60, $this->getLang('min'), $this->getLang('mins') ], [ 1, $this->getLang('sec'), $this->getLang('secs') ] ]; $today = time(); /* Current unix time */ $since = $today - $original; // $j saves performing the count function each time around the loop for ($i = 0, $j = count($chunks); $i < $j; $i ++) { $seconds = $chunks [$i] [0]; $name = $chunks [$i] [1]; $names = $chunks [$i] [2]; // finding the biggest chunk (if the chunk fits, break) if (($count = floor($since / $seconds)) != 0) { break; } } $print = ($count == 1) ? '1 ' . $name : "$count {$names}"; if ($i + 1 < $j) { // now getting the second item $seconds2 = $chunks [$i + 1] [0]; $name2 = $chunks [$i + 1] [1]; $name2s = $chunks [$i + 1] [2]; // add second item if its greater than 0 if (($count2 = floor(($since - ($seconds * $count)) / $seconds2)) != 0) { $print .= ($count2 == 1) ? ', 1 ' . $name2 : ", $count2 {$name2s}"; } } return $print; } /** * Syntax patterns. * (non-PHPdoc) * * @see Doku_Parser_Mode::connectTo() */ function connectTo($mode) { $this->Lexer->addSpecialPattern('\[TWITTER\:USER\:.*?\]', $mode, 'plugin_twitter'); $this->Lexer->addSpecialPattern('{{twitter>user\:.*?}}', $mode, 'plugin_twitter'); $this->Lexer->addSpecialPattern('\[TWITTER\:SEARCH\:.*?\]', $mode, 'plugin_twitter'); $this->Lexer->addSpecialPattern('{{twitter>search\:.*?}}', $mode, 'plugin_twitter'); } /** * (non-PHPdoc) * * @see DokuWiki_Syntax_Plugin::getType() */ function getType() { return 'substition'; } /** * (non-PHPdoc) * * @see Doku_Parser_Mode::getSort() */ function getSort() { return 314; } /** * Paragraph Type. * * Defines how this syntax is handled regarding paragraphs. This is important * for correct XHTML nesting. Should return one of the following: * * 'normal' - The plugin can be used inside paragraphs * 'block' - Open paragraphs need to be closed before plugin output * 'stack' - Special case. Plugin wraps other paragraphs. * * @see Doku_Handler_Block::getPType() */ function getPType() { return 'block'; } /** * Handler to prepare matched data for the rendering process. * * This function can only pass data to render() via its return value - render() * may be not be run during the object's current life. * * Usually you should only need the $match param. * * @param string $match The text matched by the patterns * @param int $state The lexer state for the match * @param int $pos The character position of the matched text * @param Doku_Handler $handler Reference to the Doku_Handler object * @return array Return an array with all data you want to use in render * * @see DokuWiki_Syntax_Plugin::handle() */ function handle($match, $state, $pos, Doku_Handler $handler) { $match = str_replace(array( ">", "{{", "}}" ), array( ":", "[", "]" ), $match); $match = substr($match, 1, - 1); $data = explode(":", $match); $this->_oauth_consumer_key = $this->getConf('oauth_consumer_key'); $this->_oauth_consumer_secret = $this->getConf('oauth_consumer_secret'); $this->_oauth_token = $this->getConf('oauth_token'); $this->_oauth_token_secret = $this->getConf('oauth_token_secret'); if (empty($this->_oauth_consumer_key) || empty($this->_oauth_consumer_secret) || empty($this->_oauth_token) || empty($this->_oauth_token_secret)) { msg($this->getLang('configerror'), - 1, '', '', MSG_ADMINS_ONLY); dbglog($this->getLang('configerror'), "TWITTER PLUGIN"); } $number = $this->getConf('maxresults'); if (isset($data [3])) { $number = $data [3]; } $data [2] = str_replace(" ", "%20", $data [2]); if (strtoupper($data [1]) == "SEARCH") { $json = $this->getData("https://api.twitter.com/1.1/search/tweets.json", array( 'q' => $data [2], 'count' => $number, 'include_entities' => false )); } else { $json = $this->getData("https://api.twitter.com/1.1/statuses/user_timeline.json", array( 'screen_name' => $data [2], 'count' => $number )); } $decode = json_decode($json); // dbglog($decode, "=======================decoded json from Twitter============================"); if (isset($decode->search_metadata)) { return array( $decode->statuses, $this->getLang('results') . ' ' . str_replace("%20", " and ", $data [2] . '') ); } return array( $decode, $this->getLang('header') . ' @' . $data [2] . '' ); } /** * get the data from twitter using either cURL or file_get_contents. * * @param String $url * @return bool|string */ private function getData($url, $param) { // dbglog($url, "Getting url from Twitter"); if ($this->getConf('useCURL')) { $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; DokuWiki HTTP Client; ' . PHP_OS . ')'); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10); curl_setopt($ch, CURLOPT_URL, $this->signRequest($url, $param)); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); $json = curl_exec($ch); curl_close($ch); } else { global $conf; $ctx = array( 'http' => array( 'proxy' => 'tcp:' . $conf ['proxy'] ['host'] . ':' . $conf ['proxy'] ['port'], 'request_fulluri' => true ) ); $ctx = stream_context_create($ctx); $json = file_get_contents($this->signRequest($url, $param), true, $ctx); } return $json; } /** * (non-PHPdoc) * * @see DokuWiki_Syntax_Plugin::render() */ function render($mode, Doku_Renderer $renderer, $data) { if ($mode == 'xhtml') { // prevent caching to ensure content is always fresh $renderer->info ['cache'] = false; $renderer->doc .= $this->replace($data); return true; } elseif ($mode == 'metadata') { // for metadata renderer $renderer->meta ['relation'] ['haspart'] ['_plugin_twitter'] = true; return true; } return false; } /** * Generates the OAuth signed request url. * * @param string $endpointUrl * The API endpoint to call * @param array $params * @return string The signed API endpoint call including the parameters */ private function signRequest($endpointUrl, $params = array()) { $sign_params = array( 'oauth_consumer_key' => $this->_oauth_consumer_key, 'oauth_version' => '1.0', 'oauth_timestamp' => time(), 'oauth_nonce' => substr(md5(microtime(true)), 0, 16), 'oauth_signature_method' => 'HMAC-SHA1', 'oauth_token' => $this->_oauth_token ); $sign_base_params = array(); foreach ($sign_params as $key => $value) { $sign_base_params [$key] = $this->urlencode($value); } foreach ($params as $key => $value) { $sign_base_params [$key] = $this->urlencode($value); } ksort($sign_base_params); $sign_base_string = ''; foreach ($sign_base_params as $key => $value) { $sign_base_string .= $key . '=' . $value . '&'; } $sign_base_string = substr($sign_base_string, 0, - 1); $signature = base64_encode(hash_hmac('sha1', ('GET&' . $this->urlencode($endpointUrl) . '&' . $this->urlencode($sign_base_string)), $this->_oauth_consumer_secret . '&' . ($this->_oauth_token_secret != null ? $this->_oauth_token_secret : ''), true)); return $endpointUrl . '?' . $sign_base_string . '&oauth_signature=' . $this->urlencode($signature); } /** * URL-encodes the data. * * @param mixed $data * * @return mixed The encoded data */ private function urlencode($data) { if (is_array($data)) { return array_map(array( $this, 'urlencode' ), $data); } elseif (is_scalar($data)) { return str_replace(array( '+', '!', '*', "'", '(', ')' ), array( ' ', '%21', '%2A', '%27', '%28', '%29' ), rawurlencode($data)); } else { return ''; } } }