<?php
/*
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
*/
include "config.php";
include "feedIndex.php";
$http_referer = $_SERVER['HTTP_REFERER'];
$isOriginValid = false;
$allowOriginDomain = "";
foreach($ALLOWED_DOMAINS as $domain){
if(strrpos($http_referer,$domain) !== false){
$isOriginValid = true;
$allowOriginDomain = $domain;
}
}
// uncomment this line if don't want to maintain a white list. This is not recommended
//$isOriginValid = true;
if(isset($_POST['feedUrl']) and $isOriginValid){
if($_POST['feedUrl'] != ''){
$cache = new feedIndex();
$cache->load();
$result = $cache->search($_POST['feedUrl']);
$channelTitle = "";
$channelUrl = "";
$channelDescription = "";
if(count($result) > 0){
$update = false;
// check if it was updated in the last 24 hours
$lastUpdated = new DateTime($result[0]['lastUpdated']);
$lastUpdated->format('Y-m-d H:i:s');
$now = new DateTime();
$now->format('Y-m-d H:i:s');
$interval = $lastUpdated->diff($now);
if ( $interval->days > 0){
$update = true;
}
//if the limit, sort field or method has chane also update the file
if(isset($_POST['sortField']) and $_POST['sortField'] != '' and $_POST['sortField'] != $result[0]['sort']['field']){
$update = true;
}
if(isset($_POST['sortOrder']) and $_POST['sortOrder'] != '' and $_POST['sortOrder'] != $result[0]['sort']['order']){
$update = true;
}
if(isset($_POST['sortType']) and $_POST['sortType'] != '' and $_POST['sortType'] != $result[0]['sort']['type']){
$update = true;
}
if(isset($_POST['limit']) and $_POST['limit'] != '' and $_POST['limit'] != $result[0]['limit']){
$update = true;
}
if ($update){
$cache->getFeed($_POST['feedUrl'],$_POST['sortField'],$_POST['sortOrder'],$_POST['sortType'],$_POST['limit']);
$cache->updateIndex($result[0]['id'],$_POST['feedUrl'],$_POST['sortField'],$_POST['sortOrder'],$_POST['sortType'],$_POST['limit']);
}
$feed = $BASE_FEED_URL.$result[0]['id'];
$id = $result[0]['id'];
}else{
$result2 = $cache->add($_POST['feedUrl'],$_POST['sortField'],$_POST['sortOrder'],$_POST['sortType'],$_POST['limit']);
if($result2 != false){
$cache->save();
$feed = $BASE_FEED_URL.$result2['id'];
$id = $result2['id'];
}else{
$id = false;
}
}
header("Access-Control-Allow-Origin: $allowOriginDomain");
// uncomment this line (and comment out the one above) if don't want to maintain a white list. This is not recommended
// header("Access-Control-Allow-Origin: *");
if($id != false){
$objRss = new RSS($channelTitle,$channelUrl,$channelDescription,"en-us",'./');
$objRss->parse($feed,false);
echo $objRss->getJSON();
$now = new DateTime();
$log = $now->format("Y-m-d H:i:s")."|".$id.PHP_EOL;
$name = "../cache/logs/requests/".$now->format("Y-m-d").".log";
$fw = fopen($name,'a');
fputs($fw,$log,strlen($log));
fclose($fw);
}else{
echo("{}");
$now = new DateTime();
$log = $now->format("Y-m-d H:i:s")."| (ERROR) can't accees feed: ".$_POST['feedUrl'].PHP_EOL;
$name = "../cache/logs/requests/".$now->format("Y-m-d").".log";
$fw = fopen($name,'a');
fputs($fw,$log,strlen($log));
fclose($fw);
}
}//if($_GET['url'] != ''){
}// if(isset($_GET['url'])){
?>
