| <?php |
| /** |
| * Copyright 2007 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| require_once 'google/appengine/api/users/User.php'; |
| require_once 'google/appengine/api/users/UserService.php'; |
| |
| use google\appengine\api\users\User; |
| use google\appengine\api\users\UserService; |
| |
| $greeting_schema = <<<SCHEMA |
| CREATE TABLE IF NOT EXISTS greeting ( |
| id INT NOT NULL AUTO_INCREMENT, |
| author VARCHAR(100) NOT NULL, |
| content TEXT NOT NULL, |
| PRIMARY KEY (id) |
| ) |
| SCHEMA; |
| |
| if (strpos(getenv('SERVER_SOFTWARE'), 'Development') === false) { |
| $conn = mysqli_connect(null, |
| getenv('PRODUCTION_DB_USERNAME'), |
| getenv('PRODUCTION_DB_PASSWORD'), |
| null, |
| null, |
| getenv('PRODUCTION_CLOUD_SQL_INSTANCE')); |
| $db = getenv('PRODUCTION_DB_NAME'); |
| } else { |
| $conn = mysqli_connect(getenv('DEVELOPMENT_DB_HOST'), |
| getenv('DEVELOPMENT_DB_USERNAME'), |
| getenv('DEVELOPMENT_DB_PASSWORD')); |
| $db = getenv('DEVELOPMENT_DB_NAME'); |
| } |
| |
| if ($conn->connect_error) { |
| die("Could not connect to database: $conn->connect_error " . |
| "[$conn->connect_errno]"); |
| } |
| |
| if ($conn->query("CREATE DATABASE IF NOT EXISTS $db") === FALSE) { |
| die("Could not create database: $conn->error [$conn->errno]"); |
| } |
| |
| if ($conn->select_db($db) === FALSE) { |
| die("Could not select database: $conn->error [$conn->errno]"); |
| } |
| |
| if ($conn->query($greeting_schema) === FALSE) { |
| die("Could not create tables: $conn->error [$conn->errno]"); |
| } |
| |
| $user = UserService::getCurrentUser(); |
| if($user) { |
| $url = UserService::createLogoutURL('', "google.com"); |
| $url_linktext = "Logout"; |
| $author = $user->getNickname(); |
| } |
| else { |
| $url = UserService::createLoginURL(''); |
| $url_linktext = "Login"; |
| $author = ""; |
| } |
| |
| if(isset($_POST['content'])) { |
| $stmt = $conn->prepare( |
| "INSERT INTO greeting (author, content) VALUES (?, ?)"); |
| if ($stmt->bind_param('ss', $author, $_POST['content']) === FALSE) { |
| die("Could not bind prepared statement"); |
| } |
| |
| if ($stmt->execute() === FALSE) { |
| die("Could not execute prepared statement"); |
| } |
| $stmt->close(); |
| header("Location: /"); |
| exit(); |
| } |
| ?> |
| <html> |
| <body> |
| <?php |
| $stmt = $conn->prepare( |
| "SELECT author, content FROM greeting ORDER BY id DESC LIMIT 10"); |
| if ($stmt->execute() === FALSE) { |
| die("Could not execute prepared statement"); |
| } |
| $stmt->bind_result($author, $content); |
| while ($stmt->fetch()) { |
| if($author) { |
| echo '<b>' . htmlentities($author) . '</b> wrote:'; |
| } else { |
| echo 'An anonymous person wrote:'; |
| } |
| echo '<blockquote>' . htmlentities($content) . '</blockquote>'; |
| } |
| $stmt->close(); |
| ?> |
| |
| <form method="post" name="guestbook_form"> |
| <div><textarea name="content" rows="3" cols="60"></textarea></div> |
| <div><input type="submit" value="Sign Guestbook"></div> |
| </form> |
| |
| <a href="<?php echo $url; ?>"><?php echo $url_linktext; ?></a> |
| </body> |
| </html> |
