function getRemoteFeed($url, $depth=0) {
global $db;
if($depth>3) {
return array(2, null, null);
}
requireComponent('LZ.PHP.HTTPRequest');
$request = new HTTPRequest();
$xml = $request->getPage($url);
if (empty($xml)) {
return array(2, null, null);
}
$feed = array('xmlURL' => $url);
$encoding = '';
if (preg_match('/^<\?xml[^<]*\s+encoding=["\']?([\w-]+)["\']?/', $xml, $matches))
$encoding = $matches[1];
if (strcasecmp($encoding, 'utf-8') != 0) {
$xml = UTF8::bring($xml, $encoding);
$xml = preg_replace('/^(<\?xml[^<]*\s+encoding=)["\']?[\w-]+["\']?/', '$1"utf-8"', $xml, 1);
}
if(preg_match_all('/<meta[ \t].*?http-equiv\s*=\s*[\'"]?refresh.*?>/i', $xml, $matches)) { // 야후코리아 때문 ..
foreach($matches[0] as $link) {
$attributes = func::getAttributesFromString($link);
if (isset($attributes['content'])) {
$attributes = explode(';', $attributes['content']);
$contentURL = substr($attributes[1],4);
if(substr($contentURL,0,7) == 'http://') {
$url = $contentURL;
} else {
$url = func::unionAddress($url,$contentURL);
}
if(!empty($url)) {
return Feed::getRemoteFeed($url, ++$depth);
}
}
}
}
$xmls = new XMLStruct();
if (!$xmls->open($xml)) {
if(preg_match_all('/<link .*?rel\s*=\s*[\'"]?alternate.*?>/i', $xml, $matches)) {
foreach($matches[0] as $link) {
$attributes = func::getAttributesFromString($link);
if (isset($attributes['href'])) {
$urlInfo = parse_url($url);
$rssInfo = parse_url($attributes['href']);
$rssURL = false;
if (isset($rssInfo['scheme']) && $rssInfo['scheme'] == 'http')
$rssURL = $attributes['href'];
else if (isset($rssInfo['path'])) {
if ($rssInfo['path']{0} == '/')
$rssURL = "{$urlInfo['scheme']}://{$urlInfo['host']}{$rssInfo['path']}";
else
$rssURL = "{$urlInfo['scheme']}://{$urlInfo['host']}".(isset($urlInfo['path']) ? rtrim($urlInfo['path'], '/') : '').'/'.$rssInfo['path'];
}
if ($rssURL && $url != $rssURL)
return Feed::getRemoteFeed($rssURL);
}
}
}
return array(3, null, null);
}
$xmlType = '';
$feed['blogTool'] = Func::isWhatBlog($url);
if ($xmls->getAttribute('/rss', 'version')) {
$xmlType = 'rss';
$feed['blogURL'] = $xmls->getValue('/rss/channel/link');
$feed['title'] = $xmls->getValue('/rss/channel/title');
$feed['description'] = $xmls->getValue('/rss/channel/description');
if (Validator::language($xmls->getValue('/rss/channel/language')))
$feed['language'] = $xmls->getValue('/rss/channel/language');
else if (Validator::language($xmls->getValue('/rss/channel/dc:language')))
$feed['language'] = $xmls->getValue('/rss/channel/dc:language');
else
$feed['language'] = 'en-US';
$feed['modified'] = gmmktime();
$feed['logo'] = $xmls->getValue('/rss/channel/image/url');
} else if ($xmls->doesExist('/feed')) {
$xmlType = 'atom';
$feed['blogURL'] = $xmls->getAttribute('/feed/link', 'href');
$feed['title'] = $xmls->getValue('/feed/title');
if (!$feed['description'] = $xmls->getValue('/feed/tagline'))
$feed['description'] = $xmls->getValue('/feed/subtitle');
if (Validator::language($xmls->getAttribute('/feed', 'xml:lang')))
$feed['language'] = $xmls->getAttribute('/feed', 'xml:lang');
else
$feed['language'] = 'en-US';
$feed['modified'] = gmmktime();
} else if ($xmls->getAttribute('/rdf:RDF', 'xmlns')) {
$xmlType = 'rss';
if ($xmls->getAttribute('/rdf:RDF/channel/link', 'href'))
$feed['blogURL'] = $xmls->getAttribute('/rdf:RDF/channel/link', 'href');
else if ($xmls->getValue('/rdf:RDF/channel/link'))
$feed['blogURL'] = $xmls->getValue('/rdf:RDF/channel/link');
else
$feed['blogURL'] = '';
$feed['title'] = $xmls->getValue('/rdf:RDF/channel/title');
$feed['description'] = $xmls->getValue('/rdf:RDF/channel/description');
if (Validator::language($xmls->getValue('/rdf:RDF/channel/dc:language')))
$feed['language'] = $xmls->getValue('/rdf:RDF/channel/dc:language');
else if (Validator::language($xmls->getAttribute('/rdf:RDF', 'xml:lang')))
$feed['language'] = $xmls->getAttribute('/rdf:RDF', 'xml:lang');
else
$feed['language'] = 'en-US';
$feed['modified'] = gmmktime();
} else
return array(3, null, null, null);
$feed['xmlURL'] = $db->escape($db->lessen(UTF8::correct($feed['xmlURL'])));
$feed['xmlType'] = $xmlType;
$feed['blogURL'] = $db->escape($db->lessen(UTF8::correct($feed['blogURL'])));
$feed['title'] = (empty($feed['title']))?_t('제목없음'):$db->escape($db->lessen(UTF8::correct($feed['title'])));
$feed['description'] = $db->escape($db->lessen(UTF8::correct(func::stripHTML($feed['description']))));
$feed['language'] = $db->escape($db->lessen(UTF8::correct($feed['language']), 255));
return array(0, $feed, $xml, $xmlType);
}
