Myspace Gigs Parser

This is provided AS IS and I will only support it in my free time. Please email the webmaster with questions or suggestions, they will all be read but not necessarily answered.

<?php /* Provided free of charge by DaveCoulierShavesHisBalls.com Distribute this class all you want but please keep this credit intact Questions and concerns, please email webmaster@davecouliershaveshisballs.com NOTE: Myspace Gigs Parser supports cURL and HTTP wrappers for fread(). */ class Myspace_Gigs_Parser { /* Cache Directory will default to the calling scripts directory. */ var $cacheDir = ''; /* strtotime format for expiration time. See php.net/strtotime */ var $cacheExpires = "+1 hour"; var $gigs; var $data; var $contents; var $username; var $transport = false; var $cache = true; var $myspaceDomain = 'www.myspace.com'; public function Myspace_Gigs_Parser($username = false){ return $this->__construct($username); } public function __construct($username = false) { if($username) { if(strpos($username, 'http://'.$this->myspaceDomain.'/') !== false) { /* incase someone just updates the class and not their usage */ $username = str_replace('http://'.$this->myspaceDomain.'/', '', $username); } $this->parse($username); } } public function rss() { if(is_array($this->data)){ header("Content-Type: text/xml"); header("Cache-Control: no-cache"); header("Pragma: nocache"); ob_start(); echo '<?xml version="1.0" ','?','> <rss version="2.0"> <channel> <title>',$this->data['title'],'</title> <link>',$this->data['link'],'</link> <description><![CDATA[',$this->data['description'],']]></description> <lastBuildDate>',date('r', filectime($this->cacheDir.$this->username)),'</lastBuildDate> <image> <title>',$this->data['title'],'</title> <url>',$this->data['image'],'</url> <link>',$this->data['link'],'</link> </image>'; if($this->data['gigs']){ foreach($this->data['gigs'] as $gig){ echo ' <item> <title><![CDATA[',$gig[2],']]></title> <description><![CDATA[',$gig[3],']]></description> <pubDate><![CDATA[',date('r', strtotime($gig[0] . ' ' . $gig[1])),']]></pubDate> <guid><![CDATA[',md5(serialize($gig)),']]></guid> </item>'; } } else { echo ' <item> <title><![CDATA[This profile returned no gigs, please check back later.]]></title> <description><![CDATA[]]></description> <pubDate><![CDATA[',date('r', filectime($this->cacheDir.$this->username)),']]></pubDate> <guid><![CDATA[',md5($this->username),']]></guid> </item>'; } echo ' </channel> </rss>'; $xml = ob_get_clean(); return $xml; } else { return false; } } public function parse($username = false){ $this->_initialize($username); if($username && !$this->data = $this->_getCache($username)) { if($this->profile_page = $this->_get_profile_html($username)) { $this->data['title'] = $this->_parseTitle($this->profile_page); $this->data['link'] = $this->_parseLink($username); $this->data['description'] = $this->_parseDescription($this->profile_page); $this->data['image'] = $this->_parseImage($this->profile_page); $this->data['gigs'] = $this->_parseGigs($this->profile_page); $this->_setCache($username, $this->data); } else { die('No transport protocol supported. Please enable HTTP fopen wrappers or cURL.'); } } //backwards compatability. $this->gigs = $this->data['gigs']; } private function _initialize($username) { $this->username = $username; $this->contents = ''; /* Determine if there is a transport protocol that we can use */ if(ini_get('allow_url_fopen')) { $this->transport = 'fopen'; } if(function_exists(curl_init)) { $this->transport = 'curl'; } if($this->cache) { if(file_exists($this->cacheDir.$username)) { $this->cache = true; } else { if(touch($this->cacheDir.$username)) { $this->cache = true; } else { $this->cache = false; } } } } private function _parseFriendid($contents) { $find = 'friendID='; $sub = substr($contents, strpos($contents, $find) + strlen($find)); $i = 0; $friendid = ''; while(is_numeric($sub[$i])){ $friendid .= $sub[$i]; $i++; } return $friendid; } private function _parseTitle($contents) { if(is_string($contents) && !empty($contents)) { $start = '<span class="nametext">'; $contents = substr($contents, strpos($contents, $start)); $name = substr($contents, 0, strpos($contents, '</td>')); $name = strip_tags(str_replace(array('<br>', '<br />'), ' - ', trim($name))); if(strlen($name) > 0) { $title = ''; $name = explode("\n", $name); foreach($name as $n) { $n = trim($n); if(empty($n)) { if(!$nl) { $nl = true; $title .= ' '; } } else { $nl = false; $title .= ucwords(strtolower($n)); } } return ucwords(strtolower(trim($title))); } else { return false; } } else { return false; } } private function _parseLink($username) { return 'http://'.$this->myspaceDomain.'/'.$username; } private function _parseDescription($contents, $profileType = false) { if(is_string($contents) && !empty($contents)){ if(!$profileType) { //determine what type of profile this is, music or comedy $profileType = $this->_getProfileType($contents); } switch($profileType) { case 'music': $start = '<td width="193" height="75" bgcolor="#ffffff" class="text">'; break; case 'comedy': $start = '<td class="text" width="193" bgcolor="#ffffff" height="75" align="left">'; break; } $tail = substr($contents, strpos($contents, $start) + strlen($start)); $blurb = substr($tail, 0, strpos($tail, '</td>')); $blurb = strip_tags($blurb); $blurb = trim(str_replace(array(' ', "\n", "\t"), '', $blurb)); $blurb = explode("\r", $blurb); $br = false; $desc = ''; foreach($blurb as $b) { $b = trim($b); if(empty($b)) { if(!$nl) { $nl = true; $desc .= '<br />'; } } else { $nl = false; $desc .= ucwords(strtolower($b)); } } return $desc; } } private function _parseImage($contents) { if(is_string($contents) && !empty($contents)){ $start = 'rel="myspace:photo"'; $tail = substr($contents, strpos($contents, $start)); $src = substr($tail, strpos($tail, 'src="')+5); $src = substr($src, 0, strpos($src, '"')); return $src; } } private function _getProfileType($contents) { if(is_string($contents) && !empty($contents)) { $start = '<title>'; $pageTitle = substr($contents, strpos($contents, $start) + strlen($start)); $pageTitle = strtolower(trim(substr($pageTitle, 0, strpos($pageTitle, '<')))); if(strpos($pageTitle, 'comedy') !== false || strpos($pageTitle, 'comic') !== false) { return 'comedy'; } else if(strpos($pageTitle, 'music') !== false) { return 'music'; } } } private function _strip_selected_tags($str, $tags = "", $stripContent = false) { preg_match_all("/<([^>]+)>/i", $tags, $allTags, PREG_PATTERN_ORDER); foreach ($allTags[1] as $tag) { $replace = "%(<$tag.*".'?'.">)(.*?)(<\/$tag.*".'?'.">)%is"; if ($stripContent) { $str = preg_replace($replace,'',$str); } $str = preg_replace($replace,'${2}',$str); } return $str; } private function _strip_selected_attributes($str, $attributes = ""){ $all_attributes = explode(',', $attributes); foreach ($all_attributes as $attribute) { $attribute = trim($attribute); $pattern = "!\s$attribute=s*\"[#-_:\s\w]*\"!"; $str = preg_replace($pattern,'',$str); } return $str; } private function _strip_whitespace($str) { $r = preg_replace('/[\n\r\t]+/', ' ', $str); return preg_replace('/\s{2,}/', ' ', $r); } private function _setCache($username = false, $data = array()) { if($username && $this->cache) { return file_put_contents($this->cacheDir.$username, serialize($data)); } else { return false; } } private function _getCache($username = false) { if($username && $this->cache) { if($this->cache) { $alive = time() - filemtime($this->cacheDir.$username); $expiry = strtotime($this->cacheExpires) - time(); if($alive > $expiry) { unlink($this->cacheDir.$username); return false; } else { return unserialize(file_get_contents($this->cacheDir.$username)); } } } else { return false; } } private function _get_profile_html($username = false) { if(is_string($username) && ctype_alnum($username)){ $url = 'http://www.myspace.com/' . $username; return $this->_http_request($url); } } private function _get_shows_html($friendid) { if(is_string($friendid) && ctype_alnum($friendid)){ $url = 'http://collect.myspace.com/index.cfm?fuseaction=bandprofile.listAllShows&friendid='.$friendid; return $this->_http_request($url); } } private function _http_request($url) { if(is_string($url)) { switch($this->transport) { case 'curl': $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); $response = curl_exec($curl); $code = curl_getinfo($curl, CURLINFO_HTTP_CODE); switch($code) { case '200': return $response; break; default: return "Bad cURL response."; break; } break; case 'fopen': return file_get_contents($url); break; default: return false; break; } } } private function _parseGigs($contents) { if(is_string($contents) && !empty($contents)) { /* Pattern match to find the beginning of the table, the weirdest inconsistency was the bordercolor and bgcolor attributes would alternate between caps and no caps for the letters in the hex codes. */ if(!$profileType) { //determine what type of profile this is, music or comedy $profileType = $this->_getProfileType($contents); } switch($profileType) { case 'music': return $this->_parseMusicGigs($contents); break; case 'comedy': return $this->_parseOtherGigs($contents); break; } } } private function _parseMusicGigs($contents) { $shows = $this->_get_shows_html($this->_parseFriendid($contents)); $find = '<table width="615" border="0" cellspacing="0" cellpadding="0" align="center">'; $i = 0; $gigs = array(); /* Simple algorithm to push every 4 items onto a return array in this form... [0] month day year of gig, format: date('M j Y') [1] time of gig [2] venue of gig [3] city state of gig */ while(strpos($shows, $find) !== false) { $gig = array(); $shows = substr($shows, strpos($shows, $find)); $show = trim(substr($shows, strlen($find), strpos($shows, '</table>') - strlen($find))); $date = strtotime(str_replace('-', '/', $this->_get_hidden_form_value('calEvtDateTime', $show))); $gig[0] = date('M j Y', $date); $gig[1] = date('g:i A', $date); $gig[2] = $this->_get_hidden_form_value('calEvtLocation', $show); $tr = '<tr valign="top">'; $td = trim(substr($show, strpos($show, $tr, strpos($show, $tr) + strlen($tr)) + strlen($tr))); $td = substr($td, 4); $gig[3] = substr($td, 0, strpos($td, '</td>')); $matches = array(); if(preg_match_all('@\[tickets:http://?(.+)\]@i', $gig[3], $matches)) { for($i = 0; $i < count($matches[0]); $i++) { $replace = "<a href=\"http://{$matches[1][$i]}\" target=\"_blank\">Buy Tickets</a>"; $gig[3] = str_replace($matches[0][$i], $replace, $gig[3]); } } $shows = substr($shows, strpos($shows, '</table>')); $gigs[] = $gig; } return $gigs; } private function _get_hidden_form_value($name, $html) { $find = 'type="hidden" name="'.$name.'" value="'; $start = substr($html, strpos($html, $find) + strlen($find)); $value = substr($start, 0, strpos($start, '"')); return $value; } private function _parseOtherGigs($contents) { $pattern = '<table bordercolor="#[0-9A-Za-z]*" cellspacing="0" cellpadding="0" width="[0-9]*" bgcolor="#[0-9A-Za-z]*" border="0">'; $match = array(); preg_match($pattern, $contents, $match); /* Found the start of the Upcoming Gigs table, now substr it out so we can focus our attention to it */ $start = strpos($contents, "<{$match[0]}>"); if($start !== false){ $first = substr($contents, $start); $html = strpos($first, "<br>"); $xhtml = strpos($first, "<br />"); $end = ($html < $xhtml ? $html : $xhtml); $gigs = substr($first, 0, $end); /* strip extra tags tags and attributes */ $gigs = $this->_strip_selected_tags($gigs, '<font><a><span>'); $gigs = $this->_strip_selected_attributes($gigs, 'width, bgcolor, align, cellspacing, cellpadding, border, style, class, bordercolor'); /* Find all content within a <td></td> tag */ $tds = array(); $tag = 'td'; $pattern = "%(<$tag.*".'?'.">)(.*?)(<\/$tag.*".'?'.">)%is"; preg_match_all($pattern, $gigs, $tds); /* Reset gigs to an array and strip out extra garbage tags and white space */ $gigs = array(); foreach($tds[2] as $data){ $gigs[] = trim($this->_strip_whitespace(strip_tags($data))); } /* Slice out td's that contained "Upcoming Gigs" and empty string which which we got from empty <td></td> in header table. */ $output = array_slice($gigs, 2); /* Simple algorithm to push every 4 items onto a return array in this form... [0] month day year of gig, format: date('M j Y') [1] time of gig [2] venue of gig [3] city state of gig */ $gigs = array(); $one_gig = array(); for($i = 0; $i < count($output); $i++){ if($i % 4 == 1){ /* Tack on the M so strtotime() will calc properly */ $output[$i] = $output[$i] . 'M'; } $one_gig[] = $output[$i]; if($i % 4 == 3){ $gigs[] = $one_gig; $one_gig = array(); } } return $gigs; } else{ $this->gigs = false; return false; } } } ?>