83 lines
2.2 KiB
PHP
83 lines
2.2 KiB
PHP
<?php
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namespace Api\External;
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use \Api\Parameter\Parameter;
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use \Api\Parameter\StringType;
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class RequestData extends \Api\Request {
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public function __construct($user, $externCall = false) {
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parent::__construct($user, $externCall, array(
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"url" => new StringType("url", 256)
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));
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$this->isPublic = false;
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}
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private function requestURL() {
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$url = $this->getParam("url");
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$ckfile = tempnam("/tmp", 'cookiename');
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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// curl_setopt($ch, CURLOPT_HEADER, 1);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_COOKIESESSION, true);
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curl_setopt($ch, CURLOPT_COOKIEJAR, $ckfile);
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curl_setopt($ch, CURLOPT_COOKIEFILE, $ckfile);
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$data = curl_exec($ch);
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$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$success = false;
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if(curl_errno($ch)) {
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$this->lastError = curl_error($ch);
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} else if($statusCode != 200) {
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$this->lastError = "External Site returned status code: " . $statusCode;
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} else {
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$this->result["data"] = $data;
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$this->result["cached"] = false;
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$success = true;
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}
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unlink($ckfile);
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curl_close ($ch);
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return $success;
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}
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public function execute($values = array()) {
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if(!parent::execute($values)) {
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return false;
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}
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$url = $this->getParam("url");
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$expires = $this->getParam("expires");
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$query = "SELECT data, expires FROM ExternalSiteCache WHERE url=?";
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$req = new \Api\ExecuteSelect($this->user);
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$this->success = $req->execute(array("query" => $query, $url));
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$this->lastError = $req->getLastError();
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if($this->success) {
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$mustRevalidate = true;
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if(!empty($req->getResult()['rows'])) {
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$row = $req->getResult()['rows'][0];
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if($row["expires"] == null || !isinPast($row["expires"])) {
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$mustRevalidate = false;
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$this->result["data"] = $row["data"];
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$this->result["expires"] = $row["expires"];
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$this->result["cached"] = true;
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}
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}
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if($mustRevalidate) {
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$this->success = $this->requestURL();
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}
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}
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return $this->success;
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}
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};
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?>
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