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Pastes now get an unique text id and can only be accessed by it

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pikami
2016-06-11 16:32:49 +00:00
parent 5d1d051760
commit 01448c5d65
4 changed files with 40 additions and 14 deletions
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34
post.php
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@@ -1,5 +1,30 @@
<?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, 25)];
// $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"])){
@@ -8,15 +33,16 @@ if(isset($_POST["type"])){
$text = $_POST["text"];
if(isset($_POST["title"]))
$title = $_POST["title"];
$uid = generate_uid();
/* Add paste to database */
$stmt = $conn->prepare("INSERT INTO pastes (title,text)
VALUES (:tit, :txt)");
$stmt = $conn->prepare("INSERT INTO pastes (uid,title,text)
VALUES (:uid, :tit, :txt)");
$stmt->bindParam(':uid', $uid);
$stmt->bindParam(':tit', $title);
$stmt->bindParam(':txt', $text);
$stmt->execute();
$id = $conn->lastInsertId();
$conn = null; //close connection to database
header("Location: ".$id);
header("Location: ".$uid);
die();
}
}