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rss-bridge/bridges/InstagramBridge.php
2013-10-29 15:59:22 +01:00

84 lines
2.2 KiB
PHP

<?php
/**
* RssBridgeInstagram
* Returns the newest photos
*
* @name Instagram Bridge
* @description Returns the newest images
* @use1(u="username")
*/
class InstagramBridge extends BridgeAbstract{
private $request;
public function collectData(array $param){
$html = '';
if (isset($param['u'])) { /* user timeline mode */
$this->request = $param['u'];
$html = file_get_html('http://instagram.com/'.urlencode($this->request)) or $this->returnError('Could not request Instagram.', 404);
}
else {
$this->returnError('You must specify a Instagram username (?u=...).', 400);
}
$innertext = null;
foreach($html->find('script') as $script)
{
if ('' === $script->innertext) {
continue;
}
$pos = strpos($script->innertext, 'window._jscalls');
if (false === $pos)
{
continue;
}
$innertext = $script->innertext;
break;
}
$json = trim(substr($innertext, $pos+15), ' =;');
$pos = strpos($json, '}]],');
$json = substr($json, $pos+4, -4);
$data = json_decode($json);
$userMedia = $data[2][0]->props->userMedia;
foreach($userMedia as $media)
{
$image = $media->images->standard_resolution;
$item = new \Item();
$item->uri = $media->link;
$item->content = '<img src="' . htmlentities($image->url) . '" width="'.htmlentities($image->width).'" height="'.htmlentities($image->height).'" />';
if (isset($media->caption))
{
$item->title = $media->caption->text;
} else {
$item->title = basename($image->url);
}
$item->timestamp = $media->created_time;
$this->items[] = $item;
}
}
public function getName(){
return (!empty($this->request) ? $this->request .' - ' : '') .'Instagram Bridge';
}
public function getURI(){
return 'http://instagram.com/';
}
public function getCacheDuration(){
return 0;
return 21600; // 6 hours
}
}