Initial import

lib/Session.php

@@ -0,0 +1,71 @@
+<?php
+
+class Session {
+
+	public static $cache = null;
+	public static $id = null;
+
+	public static function getID() {
+
+
+		if (array_key_exists("SESSION_ID", $_COOKIE)) {
+			Session::$id = $_COOKIE["SESSION_ID"];
+		}
+
+		if (Session::$id) return Session::$id;
+
+		Session::$id = uniqid("decpdf", true);
+
+		setcookie("SESSION_ID", Session::$id, time() + 60*60*24*30);
+		return Session::$id;
+	}
+
+	public static function init($host, $port, $weight = 50) {
+		if (Session::$cache == null) {
+			Session::$cache = new Memcached();
+		}
+		Session::$cache->addServer($host, $port, $weight);
+	}
+
+	public static function get(string $key) : mixed {
+		$sid = Session::getID();
+
+		$key = "Session::" . $sid . "::" . $key;
+
+		$t = Session::$cache->get($key);
+		if ($t) {
+			return unserialize($t);
+		} else {
+			return false;
+		}
+	}	
+
+	public static function set(string $key, mixed $value) : void {
+		$sid = Session::getID();
+		$fkey = "Session::" . $sid . "::" . $key;
+		Session::$cache->set($fkey, serialize($value));//, 60*60*24*30);
+	}
+
+	public static function unset(string $key) : void {
+		$sid = Session::getID();
+		$fkey = "Session::" . $sid . "::" . $key;
+		Session::$cache->delete($fkey);
+	}
+
+	public static function all_data() {
+        	$sid = Session::getID();
+		$fkey = "Session::" . $sid . "::";
+		$keys = Session::$cache->getAllKeys();
+        	$data = [];
+		foreach ($keys as $k) {
+			if (str_starts_with($k, $fkey)) {
+				$d = Session::get($k);
+				if (!$d) {
+					$d = [];
+            			}		
+				$out[$k] = $data;
+			}
+        	}
+		return $out;
+	}
+}