From decc7e47146584dcc02171793072462ce0f817fe Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Sat, 25 Jan 2025 19:58:27 +0200
Subject: feat(models/cookies): Added model with proper logic for cookie
 creation

---
 migrations/00-initial.sql |  2 +-
 models/cookies.php        | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 models/cookies.php

diff --git a/migrations/00-initial.sql b/migrations/00-initial.sql
index 7b08719..879b5f1 100644
--- a/migrations/00-initial.sql
+++ b/migrations/00-initial.sql
@@ -12,7 +12,7 @@ CREATE TABLE IF NOT EXISTS Users (
 
 CREATE TABLE IF NOT EXISTS Cookies (
     UID     INT NOT NULL AUTO_INCREMENT,
-    Token   CHAR(32) NOT NULL,
+    Token   CHAR(36) NOT NULL,
     Expires DATETIME,
     PRIMARY KEY (UID, Token),
     FOREIGN KEY (UID) REFERENCES Users(UID)
diff --git a/models/cookies.php b/models/cookies.php
new file mode 100644
index 0000000..8a7ea42
--- /dev/null
+++ b/models/cookies.php
@@ -0,0 +1,30 @@
+<?php
+namespace Database;
+use PDO;
+
+class Cookie extends Table {
+    public $UID;
+    public $Token;
+    public $Expires;
+
+    static function create(string $UID) : string {
+        $Token = uuidv4();
+        Table::_create(
+            "Cookies",
+            "(UID, Token, Expires)",
+            "(\"$UID\", \"$Token\", NOW() + INTERVAL 30 DAY)",
+        );
+        return $Token;
+    }
+}
+
+// Taken from https://stackoverflow.com/a/15875555
+function uuidv4()
+{
+  $data = random_bytes(16);
+
+  $data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100
+  $data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10
+
+  return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
+}
-- 
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