refactor shortenviayourls.php for our MVC framework
El RIDO
parent
304ae76a04
commit
0dc9ab7576
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@ -136,6 +136,9 @@ class Controller
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case 'jsonld':
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$this->_jsonld($this->_request->getParam('jsonld'));
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return;
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case 'yourlsproxy':
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$this->_yourlsproxy($this->_request->getParam('link'));
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break;
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}
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// output JSON or HTML
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@ -378,9 +381,15 @@ class Controller
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);
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$page = new View;
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$page->assign('CSPHEADER', $metacspheader);
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$page->assign('ERROR', I18n::_($this->_error));
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if ($this->_request->getOperation() === 'yourlsproxy') {
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$page->assign('SHORTURL', $this->_status);
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$page->draw('yourlsproxy');
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return;
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}
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$page->assign('NAME', $this->_conf->getKey('name'));
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$page->assign('BASEPATH', I18n::_($this->_conf->getKey('basepath')));
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$page->assign('ERROR', I18n::_($this->_error));
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$page->assign('STATUS', I18n::_($this->_status));
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$page->assign('VERSION', self::VERSION);
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$page->assign('DISCUSSION', $this->_conf->getKey('discussion'));
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@ -405,7 +414,6 @@ class Controller
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$page->assign('HTTPWARNING', $this->_conf->getKey('httpwarning'));
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$page->assign('HTTPSLINK', 'https://' . $this->_request->getHost() . $this->_request->getRequestUri());
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$page->assign('COMPRESSION', $this->_conf->getKey('compression'));
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$page->assign('CSPHEADER', $metacspheader);
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$page->draw($this->_conf->getKey('template'));
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}
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@ -439,6 +447,22 @@ class Controller
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echo $content;
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}
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/**
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* proxies link to YOURLS, updates status or error with response
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*
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* @access private
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* @param string $link
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*/
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private function _yourlsproxy($link)
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{
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$yourls = new YourlsProxy($this->_conf, $link);
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if ($yourls->isError()) {
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$this->_error = $yourls->getError();
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} else {
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$this->_status = $yourls->getUrl();
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}
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}
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/**
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* prepares JSON encoded status message
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*
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@ -120,6 +120,7 @@ class Request
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if (
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!array_key_exists('pasteid', $this->_params) &&
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!array_key_exists('jsonld', $this->_params) &&
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!array_key_exists('link', $this->_params) &&
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array_key_exists('QUERY_STRING', $_SERVER) &&
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!empty($_SERVER['QUERY_STRING'])
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) {
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@ -135,6 +136,11 @@ class Request
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}
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} elseif (array_key_exists('jsonld', $this->_params) && !empty($this->_params['jsonld'])) {
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$this->_operation = 'jsonld';
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} elseif (array_key_exists('link', $this->_params) && !empty($this->_params['link'])) {
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$request_url = filter_var($_SERVER['REQUEST_URI'], FILTER_SANITIZE_URL);
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if (strpos($request_url, '/shortenviayourls?link=') !== false) {
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$this->_operation = 'yourlsproxy';
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}
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}
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}
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@ -0,0 +1,120 @@
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<?php
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/**
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* PrivateBin
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*
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* a zero-knowledge paste bin
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*
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* @link https://github.com/PrivateBin/PrivateBin
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* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
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* @license https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
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* @version 1.4.0
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*/
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namespace PrivateBin;
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use PrivateBin\Configuration;
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/**
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* YourlsProxy
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*
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* Forwards a URL for shortening to YOURLS (your own URL shortener) and stores
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* the result.
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*/
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class YourlsProxy
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{
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/**
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* error message
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*
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* @access private
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* @var string
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*/
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private $_error = '';
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/**
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* shortened URL
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*
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* @access private
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* @var string
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*/
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private $_url = '';
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/**
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* constructor
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*
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* initializes and runs PrivateBin
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*
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* @access public
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* @param string $link
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*/
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public function __construct(Configuration $conf, $link)
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{
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if (strpos($link, $conf->getKey('basepath') . '/?') !== false) {
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// Init the CURL session
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $conf->getKey("apiurl", "yourls"));
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curl_setopt($ch, CURLOPT_HEADER, 0); // No header in the result
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // Return, do not echo result
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curl_setopt($ch, CURLOPT_POST, 1); // This is a POST request
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curl_setopt($ch, CURLOPT_POSTFIELDS, array( // Data to POST
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'signature' => $conf->getKey("signature", "yourls"),
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'format' => 'json',
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'action' => 'shorturl',
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'url' => $link
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));
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// Fetch and return content
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$data = curl_exec($ch);
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curl_close($ch);
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if (!($data === FALSE) && is_string($data))
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{
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$data = json_decode( $data, true);
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if (!is_null($data) && array_key_exists('statusCode', $data)
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&& array_key_exists('shorturl', $data) && ($data['statusCode'] == 200))
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{
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$this->_url = $data['shorturl'];
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$opSuccess = TRUE;
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} else {
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$this->_error = 'Error parsing YOURLS response.';
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}
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} else {
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$this->_error = 'Error calling YOURLS. Probably a configuration issue, like wrong or missing "apiurl" or "signature".';
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}
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} else {
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$this->_error = 'Trying to shorten a URL not pointing to our PrivateBin instance.';
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}
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}
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/**
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* Returns the (untranslated) error message
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*
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* @access public
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* @return string
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*/
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public function getError()
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{
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return $this->_error;
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}
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/**
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* Returns the shortened URL
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*
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* @access public
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* @return string
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*/
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public function getUrl()
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{
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return $this->_url;
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}
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/**
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* Returns true if any error has occurred
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*
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* @access public
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* @return bool
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*/
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public function isError()
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{
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return !empty($this->_error);
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}
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}
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@ -1,85 +0,0 @@
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<?php
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// change this, if your php files and data is outside of your webservers document root
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define('PATH', '');
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define('PUBLIC_PATH', __DIR__);
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require PATH . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
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$link = $_SERVER['REQUEST_URI'];
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$response = getGetData();
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$arr = explode('=',$response);
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$c = count ($arr);
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$opSuccess = FALSE;
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$errCode = 0;
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$shortenedUrl = "";
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$originalUrl = "";
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if(($c == 2) && ($arr[0] == "link") && (strlen($arr[1]) < 256)) {
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// read in configuration values
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$conf = new PrivateBin\Configuration;
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$originalUrl = urldecode($arr[1]);
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if (startsWith($originalUrl, $conf->getKey( "basepath") . "/?")) {
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// Init the CURL session
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $conf->getKey( "apiurl", "yourls"));
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curl_setopt($ch, CURLOPT_HEADER, 0); // No header in the result
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // Return, do not echo result
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curl_setopt($ch, CURLOPT_POST, 1); // This is a POST request
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curl_setopt($ch, CURLOPT_POSTFIELDS, array( // Data to POST
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'signature' => $conf->getKey( "signature", "yourls"),
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'format' => 'json',
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'action' => 'shorturl',
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'url' => $originalUrl
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));
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// Fetch and return content
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$data = curl_exec($ch);
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curl_close($ch);
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if (!($data === FALSE) && is_string($data))
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{
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$data = json_decode( $data, true);
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if (!is_null($data) && array_key_exists('statusCode', $data)
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&& array_key_exists('shorturl', $data) && ($data['statusCode'] == 200))
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{
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$shortenedUrl = $data['shorturl'];
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$opSuccess = TRUE;
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} else {
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// error with contents of YOURLS response.
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$errCode = 3;
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}
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} else {
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// error when calling YOURLS - probably a PrivateBin configuration issue, like wrong/missing apiurl or signature
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$errCode = 2;
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}
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} else {
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// trying to shorten a URL not pointing to our PrivateBin instance.
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$errCode = 1;
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}
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}
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if ($opSuccess)
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{
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print("<br>Your shortened paste is <span class=\"shortensuccess\"><a href=\"$shortenedUrl\">$shortenedUrl</a></span>");
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}
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else
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{
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print("<br><span class=\"shortenerror\">Error: An error occured while trying to shorten the given URL (error code $errCode)</span>");
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}
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function getGetData() {
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$data = http_build_query($_GET);
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return $data;
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}
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function startsWith($haystack, $needle)
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{
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$length = strlen($needle);
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return (substr($haystack, 0, $length) === $needle);
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}
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?>
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@ -0,0 +1,25 @@
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<?php
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use PrivateBin\I18n;
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?><!DOCTYPE html>
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<html lang="<?php echo I18n::_('en'); ?>">
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="Content-Security-Policy" content="<?php echo I18n::encode($CSPHEADER); ?>">
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<meta name="robots" content="noindex" />
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<meta name="google" content="notranslate">
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<title><?php echo I18n::_($NAME); ?></title>
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</head>
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<body>
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<?php
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if (empty($ERROR)) :
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?>
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<p><?php echo I18n::_('Your paste is <a id="pasteurl" href="%s">%s</a> <span id="copyhint">(Hit [Ctrl]+[c] to copy)</span>', $SHORTURL, $SHORTURL); ?></p>
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<?php
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else:
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?>
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<p><?php echo I18n::_('Could not create paste: %s', $ERROR); ?></p>
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<?php
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endif;
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?>
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</body>
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</html>
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