public function slug($slug)
{
$slug || ($slug = Web::instance()->slug($this->title));
$that = clone $this;
$that->findBySlugBegin($slug)->get();
return $slug . ($that->dry() ? '' : '-' . ($that->count() + 1));
}
/**
* Return weather data based on specified latitude/longitude
* @return array|FALSE
* @param $latitude float
* @param $longitude float
**/
function weather($latitude, $longitude)
{
$fw = Base::instance();
$web = Web::instance();
$query = array('lat' => $latitude, 'lon' => $longitude);
$req = $web->request('http://api.openweathermap.org/data/2.5/weather?' . http_build_query($query));
return ($req = $web->request('http://api.openweathermap.org/data/2.5/weather?' . http_build_query($query))) ? json_decode($req['body'], TRUE) : FALSE;
}
/**
* Generate map
* @return string
**/
function dump()
{
$fw = Base::instance();
$web = Web::instance();
$out = '';
return ($req = $web->request(self::URL_Static . '?' . array_reduce($this->query, function ($out, $item) {
return $out .= ($out ? '&' : '') . urlencode($item[0]) . '=' . urlencode($item[1]);
}))) && $req['body'] ? $req['body'] : FALSE;
}
/**
* Receive ping, check if local page is pingback-enabled, verify
* source contents, and return XML-RPC response
* @return string
* @param $func callback
* @param $path string
**/
function listen($func, $path = NULL)
{
$fw = Base::instance();
if (PHP_SAPI != 'cli') {
header('X-Powered-By: ' . $fw->get('PACKAGE'));
header('Content-Type: application/xml; ' . 'charset=' . ($charset = $fw->get('ENCODING')));
}
if (!$path) {
$path = $fw->get('BASE');
}
$web = Web::instance();
$args = xmlrpc_decode_request($fw->get('BODY'), $method, $charset);
$options = array('encoding' => $charset);
if ($method == 'pingback.ping' && isset($args[0], $args[1])) {
list($source, $permalink) = $args;
$doc = new DOMDocument('1.0', $fw->get('ENCODING'));
// Check local page if pingback-enabled
$parts = parse_url($permalink);
if ((empty($parts['scheme']) || $parts['host'] == $fw->get('HOST')) && preg_match('/^' . preg_quote($path, '/') . '/' . ($fw->get('CASELESS') ? 'i' : ''), $parts['path']) && $this->enabled($permalink)) {
// Check source
$parts = parse_url($source);
if ((empty($parts['scheme']) || $parts['host'] == $fw->get('HOST')) && ($req = $web->request($source)) && $doc->loadhtml($req['body'])) {
$links = $doc->getelementsbytagname('a');
foreach ($links as $link) {
if ($link->getattribute('href') == $permalink) {
call_user_func_array($func, array($source, $req['body']));
// Success
die(xmlrpc_encode_request(NULL, $source, $options));
}
}
// No link to local page
die(xmlrpc_encode_request(NULL, 0x11, $options));
}
// Source failure
die(xmlrpc_encode_request(NULL, 0x10, $options));
}
// Doesn't exist (or not pingback-enabled)
die(xmlrpc_encode_request(NULL, 0x21, $options));
}
// Access denied
die(xmlrpc_encode_request(NULL, 0x31, $options));
}
/**
* Process setext-style heading
* @return string
* @param $str string
* @param $type string
**/
protected function _setext($str, $type)
{
$level = strpos('=-', $type) + 1;
return '<h' . $level . ' id="' . Web::instance()->slug($str) . '">' . $this->scan($str) . '</h' . $level . '>' . "\n\n";
}
/**
* Return TRUE if OpenID verification was successful
* @return bool
* @param $proxy string
**/
function verified($proxy = NULL)
{
preg_match_all('/(?<=^|&)openid\\.([^=]+)=([^&]+)/', $_SERVER['QUERY_STRING'], $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$this->args[$match[1]] = urldecode($match[2]);
}
if (isset($this->args['mode']) && $this->args['mode'] != 'error' && ($this->url = $this->discover($proxy))) {
$this->args['mode'] = 'check_authentication';
$var = array();
foreach ($this->args as $key => $val) {
$var['openid.' . $key] = $val;
}
$req = Web::instance()->request($this->url, array('method' => 'POST', 'content' => http_build_query($var), 'proxy' => $proxy));
return (bool) preg_match('/is_valid:true/i', $req['body']);
}
return FALSE;
}
