Add Database structure

.env

@@ -0,0 +1 @@
+TOKEN_SIGNATURE=281361f952279bd9530734c67ed04aed2756f0fe00cb998cd6c28324f491484c

api/api.php

@@ -0,0 +1,93 @@
+<?php
+// API Main Library
+class gbAPI {
+    function __construct($authRequired) {
+        define("APP_PATH", __DIR__ . "/../");
+
+        if ($authRequired) {
+            if (!$this->checkAuth()) {
+                $status = 401;
+                $data = [
+                    "error" => "unauthorized",
+                    "error_text" => "Authentication failed."
+                ];
+
+                $this->answer($status, $data);
+            }
+        }
+    }
+
+    function getConfig() {
+        return parse_ini_file(APP_PATH . ".env");
+    }
+
+    function generateToken($username) {
+        $config = $this->getConfig();
+
+        // Generate Token
+        $payload = [
+            "user" => $username,
+            "auth" => true
+        ];
+        $string = json_encode($payload);
+        $secret = $config["TOKEN_SIGNATURE"];
+
+        return hash_hmac("sha256", $string, $secret);
+    }
+
+    function checkAuth() {
+        if (!isset($_SERVER["HTTP_X_API_KEY"]) && !isset($_COOKIE["auth_token"])) {
+            return false;
+        }elseif (isset($_COOKIE["auth_token"]) && isset($_COOKIE["username"])) {
+            // Check Token
+            $username = $_COOKIE["username"];
+            $expected = $this->generateToken($username);
+            $given = $_COOKIE["auth_token"];
+
+            $result = hash_equals($expected, $given);
+            if ($result) {
+                return true;
+            }
+        }elseif (isset($_SERVER["HTTP_X_API_KEY"])) {
+            // Decode Token
+            $payload = json_decode(base64_decode($_SERVER["HTTP_X_API_KEY"]), true);
+            $username = $payload["username"];
+
+            $given = $payload["auth_token"];
+            $expected = $this->generateToken($username);
+
+            $result = hash_equals($expected, $given);
+            if ($result) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    function answer($status, $data) {
+        http_response_code($status);
+        Header ("Content-Type: application/json; charset=UTF-8");
+
+        $data = json_encode($data);
+
+        $json = '{"status":' . $status . ',"data":' . $data . '}';
+        die($json);
+    }
+
+    function dbCommand($command, $expectResult, $stmtArgsRequired = false, $stmtArgs = []) {
+        $db_path = APP_PATH . "database.db";
+
+        $db = new PDO("sqlite:" . $db_path);
+        $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+
+        $stmt = $db->prepare($command);
+        $stmt->execute($stmtArgs);
+
+        if ($expectResult) {
+            $result = $stmt->fetch(PDO::FETCH_ASSOC);
+
+            return $result;
+        }
+    }
+}

api/auth/login.php

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+<?php
+// Load API Library
+require "../api.php";
+
+$api = new gbAPI(false);
+
+// Check Request Body
+if ($_SERVER["REQUEST_METHOD"] !== "POST") {
+    $api->answer(400, [
+        "error" => "false_request_method",
+        "error_text" => "Only POST allowed"
+    ]);
+}
+
+if (!isset($_POST["username"]) || !isset($_POST["password"])) {
+    $api->answer(400, [
+        "error" => "missing_fields",
+        "error_text" => "Some fields are missing"
+    ]);
+}
+
+$username = $_POST["username"];
+$password = $_POST["password"];
+
+// Prepare SQL Command
+$hash = hash("sha256", $password);
+
+$command = "SELECT username, password FROM users WHERE username = :username AND password = :password";
+$args = [
+    ":username" => $username,
+    ":password" => $hash
+];
+
+// Execute SQL Command
+$result = $api->dbCommand($command, true, true, $args);
+
+// Check Result
+if ($result && password_verify($password, $result["password"])) {
+    // Login successful. Generate Auth Token
+    $token = $api->generateToken($username);
+
+    // Set cookies
+    setcookie("auth_token", $token, time() + 86400, "/");
+    setcookie("username", $username, time() + 86400, "/");
+}else{
+    $api->answer(401, [
+        "error" => "unauthorized",
+        "error_text" => "A user with this password does not exists."
+    ]);
+}

api/setup/save.php

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+<?php
+// Load Main Libary
+require "../api.php";
+
+$api = new gbAPI(false);
+
+// Check Request body
+if ($_SERVER["REQUEST_METHOD"] !== "POST") {
+    $api->answer(400, [
+        "error" => "false_request_method",
+        "error_text" => "Only POST allowed"
+    ]);
+}
+
+if (!isset($_POST["username"]) || !isset($_POST["password"]) || !isset($_POST["password_repeat"])) {
+    $api->answer(400, [
+        "error" => "missing_fields",
+        "error_text" => "Some fields are missing"
+    ]);
+}
+
+$username = $_POST["username"];
+$password = $_POST["password"];
+$password_repeat = $_POST["password_repeat"];
+
+// Check Passwords
+if ($password !== $password_repeat) {
+    $api->answer(400, [
+        "error" => "passwords_dont_match",
+        "error_text" => "The passwords does not match."
+    ]);
+}
+
+// Hash Password
+$hash = password_hash($password);
+
+
+
+// CREATE DATABASE STRUCTURE
+file_get_contents(APP_PATH . "db_structure.sql");

db_structure.sql

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+CREATE TABLE IF NOT EXISTS "users" (
+	"id" INTEGER NOT NULL,
+	"username" VARCHAR NOT NULL,
+	"password" VARCHAR NOT NULL,
+	"owner" INTEGER NOT NULL,
+	PRIMARY KEY("id", "username", "owner")
+);
+
+CREATE TABLE IF NOT EXISTS "entrys" (
+	"id" INTEGER NOT NULL,
+	"name" VARCHAR NOT NULL,
+	"text" VARCHAR NOT NULL,
+	"status" INTEGER,
+	PRIMARY KEY("id")
+);

public/templates/entrys_frontend/entrys.html

@@ -1,38 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-  <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap" rel="stylesheet">
-  <script type="importmap">
-    {
-      "imports": {
-        "@material/web/": "https://esm.run/@material/web/"
-      }
-    }
-  </script>
-  <script type="module">
-    import '@material/web/all.js';
-    import {styles as typescaleStyles} from '@material/web/typography/md-typescale-styles.js';
-
-    document.adoptedStyleSheets.push(typescaleStyles.styleSheet);
-  </script>
-
-  <style>
-    body {
-        display: flex;
-        justify-content: center;
-        align-items: center;
-        text-align: center;
-    }
-  </style>
-</head>
-<body>
-    <div class="content">
-        <h1 class="md-typescale-display-medium">Hello!</h1>
-        <p>Welcome to your Guestbook! Enter here your prefered username and password.</p>
-        <md-filled-text-field label="Username" type="text"></md-filled-text-field><br><br>
-        <md-filled-text-field label="Password" type="password"></md-filled-text-field><br><br>
-        <md-filled-text-field label="Repeat Password" type="password"></md-filled-text-field><br><br>
-        <md-filled-button disabled>Save</md-filled-button>
-    </div>
-</body>
-</html>

public/templates/setup/setup.html

@@ -1,11 +1,122 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Setup</title>
+  <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap" rel="stylesheet">
+  <script type="importmap">
+    {
+      "imports": {
+        "@material/web/": "https://esm.run/@material/web/"
+      }
+    }
+  </script>
+  <script type="module">
+    import '@material/web/all.js';
+    import {styles as typescaleStyles} from '@material/web/typography/md-typescale-styles.js';
+
+    document.adoptedStyleSheets.push(typescaleStyles.styleSheet);
+  </script>
+
+  <title>Setup</title>
+
+  <style>
+    :root {
+        --md-sys-color-primary: rgb(58, 58, 255);
+    }
+
+    body {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        text-align: center;
+    }
+
+    p {
+        font-family: Verdana, Geneva, Tahoma, sans-serif;
+    }
+  </style>
 </head>
 <body>
-    <h1>La setup</h1>
+    <div class="content">
+        <h1 class="md-typescale-display-medium">Hello!</h1>
+        <p>Welcome to your Guestbook! Enter here your prefered username and password.</p>
+        <md-filled-text-field label="Username" type="text" id="setup-username"></md-filled-text-field><br><br>
+        <md-filled-text-field label="Password" type="password" id="setup-password"></md-filled-text-field><br><br>
+        <md-filled-text-field label="Repeat Password" type="password" id="setup-password-repeat"></md-filled-text-field><br><br>
+        <md-filled-button id="submit-button">Save</md-filled-button>
+    </div>
+    <md-dialog id="http-dialog">
+        <div slot="headline">
+            Warning
+        </div>
+        <form slot="content" method="dialog">
+            Your browser is using http instead of https. That means your connection is not encrypted and everyone in your network can read your credentials.
+        </form>
+        <div slot="actions">
+            <md-text-button id="http-dialog-close-button">I know what i'm doing!</md-text-button>
+        </div>
+    </md-dialog>
+    <md-dialog id="error-dialog">
+        <div slot="headline">
+            Error
+        </div>
+        <form slot="content" method="dialog" id="error-dialog-text">
+            
+        </form>
+        <div slot="actions">
+            <md-filled-button id="close-button">Close</md-filled-button>
+        </div>
+    </md-dialog>
+    <script>
+        if (window.location.protocol == "http:") {
+            document.getElementById("http-dialog").setAttribute("open", "");
+            document.getElementById("http-dialog-close-button").addEventListener("click", function() {
+                document.getElementById("http-dialog").removeAttribute("open");
+            });
+        }
+
+        document.getElementById("submit-button").addEventListener("click", function() {
+            checkSetup();
+        });
+
+        document.getElementById("close-button").addEventListener("click", function() {
+            document.getElementById("error-dialog").removeAttribute("open");
+        })
+
+        function checkSetup() {
+            const username = document.getElementById("setup-username").value;
+            const password = document.getElementById("setup-password").value;
+            const password_repeat = document.getElementById("setup-password-repeat").value;
+
+            // Check if Passwords match
+            if (password !== password_repeat) {
+                console.error("Passwords does not match");
+
+                document.getElementById("error-dialog-text").innerHTML = "Passwords does not match";
+                document.getElementById("error-dialog").setAttribute("open", "");
+            }
+
+            // Send data
+            fetch("/api/setup/save.php", {
+                method: "POST",
+                body: JSON.stringify({
+                    username: username,
+                    password: password,
+                    password_repeat: password_repeat
+                }),
+                headers: {
+                    "Content-type": "application/json; charset=UTF-8"
+                }
+            })
+            .then(response => response.json())
+            .then(data => function() {
+                if (data.status !== 200) {
+                    console.error("Server returned following message: " + data.error);
+
+                    document.getElementById("error-dialog-text").innerHTML = data.display_error;
+                    document.getElementById("error-dialog").setAttribute("open", "");
+                }
+            })
+        }
+    </script>
 </body>
 </html>

public/test.php

@@ -1,5 +1,14 @@
 <?php
 
-foreach($_SERVER as $key => $value) {
+/*foreach($_SERVER as $key => $value) {
     echo $key . " === " . $value . "<br>";
-}
+}*/
+
+//echo $_SERVER["HTTP_X_API_KEY"];
+
+$string = '{"user":"marc", "auth":true}';
+$secret = "281361f952279bd9530734c67ed04aed2756f0fe00cb998cd6c28324f491484c";
+
+echo "Hash: " . hash_hmac("sha256", $string, $secret);
+
+echo "Decode: " . hash_equals($string, $secret);