Refactor API and database interactions: enhance token management, improve entry handling, and add application name retrieval

.env

@@ -1 +1,3 @@
-TOKEN_SIGNATURE=281361f952279bd9530734c67ed04aed2756f0fe00cb998cd6c28324f491484c
+COOKIE_TOKEN_SIGNATURE=628ef1d351018f7bb15dd5b5bc17fbc478fa6e7c7b993d136d5c03a4c2593c98
+API_TOKEN_SIGNATURE=2740fbb0a179e0e9fd801798e21515cd8a20ae964e3ef0abdeaf92830eaeefb4
+DB_FILE=database.db

api/api.php

@@ -8,6 +8,8 @@ if ($debug) {
 }
 // API Main Library
 class gbAPI {
+    private $db;
+
     function __construct($authRequired) {
         define("APP_PATH", __DIR__ . "/../");
 
@@ -62,7 +64,7 @@ class gbAPI {
         }elseif (isset($_COOKIE["auth_token"]) && isset($_COOKIE["username"])) {
             // Check Token
             $username = $_COOKIE["username"];
-            $expected = $this->generateToken($username);
+            $expected = $this->generateCookieToken($username);
             $given = $_COOKIE["auth_token"];
 
             $result = hash_equals($expected, $given);
@@ -75,7 +77,7 @@ class gbAPI {
             $username = $payload["username"];
 
             $given = $payload["auth_token"];
-            $expected = $this->generateToken($username);
+            $expected = $this->generateAPIToken($username);
 
             $result = hash_equals($expected, $given);
             if ($result) {
@@ -97,12 +99,16 @@ class gbAPI {
     }
 
     function dbCommand($command, $expectResult, $stmtArgsRequired = false, $stmtArgs = []) {
-        $config = $this->getConfig();
+        if (isset($this->db)) {
-        $db_name = $config["DB_NAME"];
+            $db = $this->db;
-        $db_path = APP_PATH . $db_name;
+        }else{
+            $config = $this->getConfig();
+            $db_name = $config["DB_FILE"];
+            $db_path = APP_PATH . $db_name;
 
-        $db = new PDO("sqlite:" . $db_path);
+            $db = new PDO("sqlite:" . $db_path);
-        $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+            $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+        }
 
         $stmt = $db->prepare($command);
         $stmt->execute($stmtArgs);
@@ -114,7 +120,10 @@ class gbAPI {
         }
     }
 
-    function getSetting() {
+    function getSetting($key) {
+        $command = "SELECT name, value FROM settings WHERE name = :name";
 
+        $value = $this->dbCommand($command, true, true, [":name" => $key]);
+        return $value;
     }
 }

api/auth/login.php

@@ -23,7 +23,7 @@ $username = $_POST["username"];
 $password = $_POST["password"];
 
 // Prepare SQL Command
-$hash = hash("sha256", $password);
+$hash = password_hash($password, PASSWORD_DEFAULT);
 
 $command = "SELECT username, password FROM users WHERE username = :username AND password = :password";
 $args = [

api/entrys/add.php

@@ -20,4 +20,33 @@ if (!isset($input["name"]) || !isset($input["text"])) {
     ]);
 }
 
-$api->getSetting("");
+$html_allowed = $api->getSetting("allow_html");
+
+if ($html_allowed == "true") {
+    $name = $input["name"];
+    $text = $input["text"];
+}else{
+    $name = htmlspecialchars($input["name"]);
+    $text = htmlspecialchars($input["text"]);
+}
+
+$date = date("d.m.Y");
+$approve = $api->getSetting("approve_entrys") == "true" ? true : false;
+
+if ($approve) {
+    $status = 0;
+}else{
+    $status = 1;
+}
+
+
+// Insert Into Database
+$command = "INSERT INTO entrys (name, text, date, status) VALUES (:name, :text, :date, :status)";
+$api->dbCommand($command, false, true, [
+    ":name" => $name,
+    ":text" => $text,
+    ":date" => $date,
+    ":status" => $status
+]);
+
+$api->answer(200);

api/entrys/get.php

@@ -32,6 +32,6 @@ foreach($result as $row) {
 $json = json_encode($entrys);
 
 $api->answer(200, [
-    "entrys" => $entrys,
+    "entrys" => $json,
     "empty" => false
 ]);

api/settings/appname.php

@@ -0,0 +1,13 @@
+<?php
+// Load Main Library
+require "../api.php";
+
+$api = new gbAPI(false);
+
+// Get App Name
+$command = "SELECT name, value FROM settings WHERE name = :name";
+$result = $api->dbCommand($command, true, true, [":name" => "application_name"]);
+
+$api->answer(200, [
+    "application_name" => $result["value"]
+]);

api/setup/save.php

@@ -69,25 +69,25 @@ $stmt->execute([":username" => $username, ":password" => $hash, ":owner" => 1]);
 $command = "INSERT INTO settings (name, value) VALUES (:name, :value)";
 
 $settings = [
-    ":application_name" => "",
+    "application_name" => "Guestbook",
-    ":allow_html" => "false",
+    "allow_html" => "false",
-    ":approve_entrys" => "true",
+    "approve_entrys" => "true",
-    ":allow_new_entrys" => "true"
+    "allow_new_entrys" => "true"
 ];
 
 foreach ($settings as $key => $value) {
     $stmt = $db->prepare($command);
-    $stmt->execute([$key => $value]);
+    $stmt->execute([":name" => $key, ":value" => $value]);
 }
 
 // WRITE .env AND GENERATE SECRETS
 $env = "";
 
 $cookie_token = bin2hex(random_bytes(32));
-$env .= "COOKIE_TOKEN_SIGNATURE=" . $cookie_token;
+$env .= "COOKIE_TOKEN_SIGNATURE=" . $cookie_token . "\n";
 
 $api_token = bin2hex(random_bytes(32));
-$env .= "API_TOKEN_SIGNATURE=" . $api_token;
+$env .= "API_TOKEN_SIGNATURE=" . $api_token . "\n";
 
 $env .= "DB_FILE=database.db";
 

db_structure.sql

@@ -9,6 +9,7 @@ CREATE TABLE IF NOT EXISTS "entrys" (
     "id"     INTEGER PRIMARY KEY AUTOINCREMENT,
     "name"   TEXT NOT NULL,
     "text"   TEXT NOT NULL,
+    "date"   TEXT NOT NULL,
     "status" INTEGER NOT NULL DEFAULT 0
 );
 

public/html_loader.php

@@ -60,6 +60,12 @@ class HTMLLoader {
         $page = $json[$template];
         $html = file_get_contents(TEMPLATE_PATH . $page["dir_name"] . "/" . $page["html_file"]);
 
+        $app_name = file_get_contents("http://" . APP_DOMAIN . "/api/settings/appname.php");
+        $app_name = json_decode($app_name, true);
+        $app_name = $app_name["data"]["application_name"];
+
+        $html = str_replace("%appname%", $app_name, $html);
+
         // Get CSS
         $css = "";