initializing classroom structure using anom framework

1 files changed, 94 insertions, 0 deletions

diff --git a/classes/Request.php b/classes/Request.php
new file mode 100644
index 0000000..20b82c7
--- /dev/null
+++ b/classes/Request.php
@@ -0,0 +1,94 @@
+<?php
+
+class Request 
+{
+    
+    public $URL;        // full request url
+
+    public $PATH;       // Path (decoded)
+
+    public $QUERY;      // Query string (decoded)
+
+    public $HOST;
+
+    public $PORT;
+
+    public $METHOD;     // request method
+
+    public $TIME;       // request timestamp
+
+    public $IP;         // Client's IP address
+
+    public $AGENT;      // Client's User Agent
+
+    public $GET = [];
+
+    public $POST = [];
+
+    public $SIGNATURE;  // user/client's device signature
+
+
+
+    public function __construct($errors = false)
+    {
+        $parsed = parse_url($_SERVER['REQUEST_URI']);
+        $this->URL     = $_SERVER['REQUEST_URI'];
+        $this->PATH    = (!empty($parsed['path'])) ? urldecode($parsed['path']) : '';
+        $this->QUERY   = (!empty($parsed['query'])) ? urldecode($parsed['query']) : false;
+        $this->HOST    = $_SERVER['HTTP_HOST'];
+        $this->PORT    = $_SERVER['SERVER_PORT'];
+        $this->TIME    = $_SERVER['REQUEST_TIME'];
+        $this->CLI_IP  = $_SERVER['REMOTE_ADDR'];
+
+        $this->METHOD = strtolower($_SERVER['REQUEST_METHOD']);
+
+        $this->GET = $_GET;     // $_GET should only used
+            // to request data or specify options (never to perform
+            // system-changes) thus should not need any validation;
+            // * If (for any reason) you requide $_GET sanitization
+            // enable it later on the method's code
+
+        // $this->INTERFACE = php_sapi_name();
+
+        $this->AGENT   = $_SERVER['HTTP_USER_AGENT'] ?? 'unknown';
+        $this->SIGNATURE = sha1(
+                $_SERVER['HTTP_USER_AGENT'] ?? 'unknown'
+                . $_SERVER['HTTP_ACCEPT'] ?? ''
+                . $_SERVER['HTTP_ACCEPT_LANGUAGE'] ?? ''
+                . $_SERVER['HTTP_ACCEPT_ENCODING'] ?? ''
+        );
+
+        // sanitize user input
+        // if (isset($_GET))     {  $this->GET = $this->sanitize($_GET); }
+        $this->GET = $this->sanitize($_GET);
+        if (isset($_POST))    {  $this->POST = $this->sanitize($_POST); }
+        if (isset($_COOKIE))  {  $this->COOKIE = $this->sanitize($_COOKIE); }
+
+        // check anti-CSRF token if needed
+        // (again, GET requests should not need CSRF cheking)
+        if (in_array($this->METHOD, ['post', 'put', 'patch', 'delete'])) {
+            // TODO: only if CSRF protection enabled...
+            $this->checkCsrfToken();
+        }
+
+    }
+
+
+    private function sanitize($array)
+    {
+        // TODO:
+        // ...
+        return $array;
+    }
+
+    
+    public function checkCsrfToken()
+    {
+        // TODO:
+        // ...
+        // if SCRF-token is not valideted, serve 403
+        return $array;
+    }
+    
+}
+