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<?php
require 'functions.php';
require 'config.php';
require 'class/db.php';
if ( ! isset($_REQUEST['url']) || $_REQUEST['url'] == "" ){
if ( ! isset($_REQUEST['checkpassword']) || $_REQUEST['checkpassword'] != 1 )
require 'view/templ-index.php';
else {
if ( ! isset($_REQUEST["short"]) || $_REQUEST["short"] == "" ){
header($_SERVER["SERVER_PROTOCOL"] . " 404 Not Found");
_do_output("Failure!", "Requested ID not found.");
}
$db = new Database(REDIS_CONNECT, REDIS_SELECT);
$options = json_decode( $db->get($_REQUEST["short"]), true );
if ( password_verify( $_REQUEST["password"] . PEPPER, $options["password"] ) )
redirect($options["url"]);
else
_do_output("Failure!", "Wrong password supplied");
}
} else {
$url = trim($_REQUEST['url']);
if( ! preg_match("/^https?:\/\//", $url) ){
$heading = "Failure!";
$reason = "This doesn't look like a valid URL.";
_do_output($heading, $reason);
}
$options = array("url" => $url);
if ( ! isset($_REQUEST["short"]) || $_REQUEST["short"] == "" )
$options["short"] = "";
else
$options["short"] = $_REQUEST["short"];
if ( ! isset($_REQUEST["ttl"]) || $_REQUEST["ttl"] == "" )
$options["ttl"] = "";
else {
if ( ! preg_match( "/^[0-9]+$/", trim($_REQUEST["ttl"]) ) ){
_do_output("Failure!", "Your Lifetime doesn't look like a valid number.");
}
$options["ttl"] = $_REQUEST["ttl"];
}
if ( ! isset($_REQUEST["password"]) || $_REQUEST["password"] == "" )
$options["password"] = "";
else
$options["password"] = password_hash($_REQUEST["password"] . PEPPER, PASSWORD_DEFAULT);
$db = new Database(REDIS_CONNECT, REDIS_SELECT);
if ( $options["short"] != "" && $db->exists($options["short"]) )
_do_output("Failure!", "Query string '".htmlentities($options["short"])."' already taken. Please choose a different one.");
if ( $options["short"] == "" )
$options["short"] = getToken();
if ( $options["ttl"] != "" ){
if ( ! $db->set($options["short"], json_encode($options), $options["ttl"]) ){
_do_output("Failure!", "Database went away. :(");
}
} else {
if ( ! $db->set($options["short"], json_encode($options)) ){
_do_output("Failure!", "Database went away. :(");
}
}
_do_output("Success!", "Your short link is " . SHORTDOMAIN . htmlentities($options["short"]) . ".");
}
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