Minor changes

Moved config into $GLOBALS
Moved request_uri into $GLOBALS
Modified all files accordingly
Modified logout page for future improvements (not deleting the entire $_SESSION)
Fixed LICENSEs, moved LICENSE for PHP files in /lib/php subfolder instead of /lib

LICENSE

@@ -6,7 +6,7 @@ please read carefully every LICENSE file provided
 to fully understand what you can do and what not.
 
 
-errors/* - js/* - functions.php - index.php:
+lib/css/* - lib/errors/* - lib/js/* - functions.php - index.php:
 Copyright © 2019 - Bryan Pedini
 
 Licensed under the Apache License, Version 2.0 (the "License");
@@ -22,7 +22,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 
 
-config.php:
+config.json:
 It's a stupid config file, do you really think I want to
 beat my head to decide what license is it under or to
 create one? Use it to do whatever you want, it may break

functions.php

@@ -1,7 +1,7 @@
 <?php
     require_once ( 'lib/php/classes/Database.php' );
-    function split_uri_array ( string $php_self, string $request_uri ) : Array {
+    function split_uri_array ( ) : Array {
-        $uri = substr ( $request_uri, strlen ( substr ( $php_self, 0, strrpos ( $php_self, 'index.php' ) ) ), strlen ( $request_uri ) - strlen ( substr ( $php_self, 0, strrpos ( $php_self, 'index.php' ) ) ) );
+        $uri = substr ( $_SERVER [ 'REQUEST_URI' ], strlen ( substr ( $_SERVER [ 'REQUEST_URI' ], 0, strrpos ( $_SERVER [ 'REQUEST_URI' ], 'index.php' ) ) ), strlen ( $_SERVER [ 'REQUEST_URI' ] ) - strlen ( substr ( $_SERVER [ 'REQUEST_URI' ], 0, strrpos ( $_SERVER [ 'REQUEST_URI' ], 'index.php' ) ) ) );
         $arr = Array ( );
         $last_arg_pos = 0;
         if ( substr ( $uri, strlen ( $uri ) - 1, 1 ) == "/" ) {
@@ -22,4 +22,3 @@
         $config [ 'installation_path' ] = $_SERVER [ 'DOCUMENT_ROOT' ] . $config [ 'installation_path' ];
         return $config;
     }
-?>

index.php

@@ -1,8 +1,8 @@
 <?php
     session_start ( );
     require_once ( 'functions.php' );
-    $config = load_config ( );
+    $GLOBALS [ 'config' ] = load_config ( );
-    $request = split_uri_array ( $_SERVER [ 'SCRIPT_NAME' ], $_SERVER [ 'REQUEST_URI' ] );
+    $GLOBALS [ 'request_uri' ] = split_uri_array ( );
     if ( isset ( $request [ 0 ] ) && $request [ 0 ] != "" ) {
         switch ( $request [ 0 ] ) {
             case "go":
@@ -26,4 +26,3 @@
     else {
         header ( "Location: " . substr ( $_SERVER [ 'SCRIPT_NAME' ], 0, -10 ) . "/login" );
     }
-?>

lib/js/insertnew.js

@@ -10,7 +10,7 @@ function urlinsert() {
                 if ( response [ 'status' ] == 200 ) {
                     document.getElementById ( "responsetext" ).innerHTML = response [ 'message' ];
                     var div = document.createElement ( 'div' );
-                    div.innerHTML = response [ 'new_id' ] + " | " + url;
+                    div.innerHTML = response [ 'last_insert' ] + " | " + url;
                     document.getElementById ( "urllist" ).appendChild ( div );
                     document.getElementById ( "form-url" ).value = "";
                 }

lib/php/LICENSE

@@ -8,9 +8,9 @@ working purposes, and is proprietary software.
 Such this code may not be copied without explicit permission from
 myself only, this code may not be modified within the website,
 you may not copy, edit, share, clone or do anything else but
-use the code as is without explicit permission to do so.
+use the code as is, without explicit permission to do so.
 
 Such permissions can be requested at copyright@bryanpedini.it
 No permissions to do anything against this license is given
 without an explicit and valid motivation to do so, so please
-don't email me asking to do so or so without providing why.
+don't email me asking any permission without providing a valid reason.

lib/php/classes/Database.php

@@ -5,7 +5,7 @@
         private $statement;
 
         public function __construct ( $config ) {
-            if ( $config ) {
+            if ( $config && $config [ 'host' ] && $config [ 'username' ] && $config [ 'password' ] && $config [ 'name' ] && $config [ 'port' ] ) {
                 $this->config = $config;
             }
             else {
@@ -41,4 +41,4 @@
         public function get_result ( ) : MySQLi_result {
             return $this->statement->get_result ( );
         }
-    }
+    }

lib/php/forgot.php

@@ -1,4 +1,12 @@
 <?php
+    $database = new Database ( $GLOBALS [ 'config' ] [ 'db' ] );
+    $database->connect ( );
+    if ( isset ( $_POST [ 'forgot_email' ] ) ) {
+        //...
+    }
+    elseif ( isset ( $_POST [ 'forgot_username' ] ) ) {
+        //...
+    }
 ?>
 <!DOCTYPE HTML>
 <html>

lib/php/go.php

@@ -1,11 +1,11 @@
 <?php
-    if ( isset ( $request [ 1 ] ) ) {
+    if ( isset ( $GLOBALS [ 'request_uri' ] [ 1 ] ) ) {
-        $link_id = $request [ 1 ];
+        $link_id = $GLOBALS [ 'request_uri' ] [ 1 ];
         if ( ! ctype_digit ( $link_id ) ) {
             die ( "You can't be forwarded to a non numerical URL link ID. If you think this is incorrect, please send an email to shorte@dev.bryanpedini.it with this URL: https://sh.bjphoster.com/?go=" . $link_id . " for more investigations" );
         }
         $link_id = (int) $link_id;
-        $database = new Database ( $config [ 'db' ] );
+        $database = new Database ( $GLOBALS [ 'config' ] [ 'db' ] );
         $database->connect ( );
         $database->prepare ( "SELECT links.URL FROM links WHERE links.ID = ?" );
         $parameters = [
@@ -18,7 +18,7 @@
         $row = $result->fetch_assoc ( );
         if ( ! $row ) {
             http_response_code ( 404 );
-            include ( $config [ 'installation_path' ] . '/lib/errors/404.html' );
+            include ( $GLOBALS [ 'config' ] [ 'installation_path' ] . '/lib/errors/404.html' );
             exit;
         }
         else {
@@ -55,4 +55,3 @@
     else {
         header ( "Location: " . substr ( $_SERVER [ 'SCRIPT_NAME' ], 0, -10 ) );
     }
-?>

lib/php/insert.php

@@ -2,10 +2,10 @@
     if ( ! isset ( $_SESSION [ 'user_id' ] ) ) {
         header ( "Location: " . substr ( $_SERVER [ 'SCRIPT_NAME' ], 0, -10 ) . "/login" );
     }
+    $database = new Database ( $GLOBALS [ 'config' ] [ 'db' ] );
+    $database->connect ( );
     if ( isset ( $_POST [ 'url' ] ) ) {
         $url = $_POST [ 'url' ];
-        $database = new Database ( $config [ 'db' ] );
-        $database->connect ( );
         $database->prepare ( "INSERT INTO `links` ( `ID`, `URL`, `created_by` ) VALUES ( NULL, ?, " . $_SESSION [ 'user_id' ] . " );" );
         $parameters = [
             [ "s" ],
@@ -13,7 +13,7 @@
         ];
         $database->bind ( $parameters );
         $database->execute ( );
-        $database->prepare ( "SELECT COUNT( links.ID ) as `count` FROM links;");
+        $database->prepare ( "SELECT MAX( links.ID ) as `last` FROM links;");
         $database->execute ( );
         $result = $database->get_result ( );
         $row = $result->fetch_assoc ( );
@@ -21,13 +21,12 @@
         $response = [
             'status' => 200,
             'message' => 'URL inserted correctly.',
-            'new_id' => $row [ 'count' ],
+            'last_insert' => $row [ 'last' ],
         ];
         echo ( json_encode ( $response ) );
+        exit;
     }
     else {
-        $database = new Database ( $config [ 'db' ] );
-        $database->connect ( );
         $database->prepare ( "SELECT links.ID, links.URL FROM links WHERE links.created_by = " . $_SESSION [ 'user_id' ] );
         $database->execute ( );
         $result = $database->get_result ( );
@@ -62,4 +61,3 @@
 </html>
 <?php
     }
-?>

lib/php/login.php

@@ -23,6 +23,7 @@
         $row = $result->fetch_assoc ( );
         if ( ! $row ) {
             header ( 'Content-Type: application/json' );
+            http_response_code ( 401 );
             $response = [
                 'status' => 401,
                 'error_message' => 'Username or password not correct.',
@@ -81,4 +82,3 @@
 </html>
 <?php
     }
-?>

lib/php/logout.php

@@ -1,5 +1,3 @@
 <?php
-    $_SESSION = array ( );
+    $_SESSION [ 'user_id' ] = NULL;
-    session_destroy ( );
     header ( "Location: " . substr ( $_SERVER [ 'SCRIPT_NAME' ], 0, -10 ) . "/" );
-?>