palm-paste/post.php

61 lines
1.9 KiB
PHP

<?php
include "config/config.php";
function generate_uid () {
global $conn;
$name = '';
// We start at N retries, and --N until we give up
$tries = 500;
do {
// Iterate until we reach the maximum number of retries
if ($tries-- == 0) throw new Exception('Gave up trying to find an unused name', 500);
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
$name = '';
for ($i = 0; $i < 8; $i++) {
$name .= $chars[mt_rand(0, 61)];
// $chars string length is hardcoded, should use a variable to store it?
}
// Check if a paste with the same uid does already exist in the database
$q = $conn->prepare('SELECT COUNT(uid) FROM pastes WHERE uid = (:name)');
$q->bindValue(':name', $name, PDO::PARAM_STR);
$q->execute();
$result = $q->fetchColumn();
// If it does, generate a new uid
} while($result > 0);
return $name;
}
if(isset($_POST["type"])){
//===New_Paste===//
if($_POST["type"]=="paste" && isset($_POST["text"])){
/* Set paste details */
$title = "Untitled";
$text = $_POST["text"];
if(isset($_POST["title"]))
$title = $_POST["title"];
$uid = generate_uid();
$created = time();
$expire = 0;
if(isset($_POST["expire"]) && is_numeric($_POST["expire"]))
$expire = $created + $_POST["expire"];
/* Add paste to database */
$QuerySTR = "INSERT INTO pastes (uid,title,text,created)
VALUES (:uid, :tit, :txt, :cre)";
if($expire!=0)
$QuerySTR = "INSERT INTO pastes (uid,title,text,created,expire)
VALUES (:uid, :tit, :txt, :cre, :exp)";
$stmt = $conn->prepare($QuerySTR);
if($expire!=0)
$stmt->bindParam(':exp', $expire);
$stmt->bindParam(':uid', $uid);
$stmt->bindParam(':tit', $title);
$stmt->bindParam(':txt', $text);
$stmt->bindParam(':cre', $created);
$stmt->execute();
$conn = null; //close connection to database
header("Location: ".$uid);
die();
}
}
$conn = null;
?>