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86 lines
2.1 KiB
PHP
86 lines
2.1 KiB
PHP
<?php
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ob_start();
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session_start();
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require 'vendor/autoload.php';
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require 'database.php';
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define('JSON', true);
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header('Content-Type: application/json');
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header('Access-Control-Allow-Origin: ' . $_SERVER['HTTP_ORIGIN']);
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header('Access-Control-Allow-Credentials: true');
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/**
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* Check if a user exists in the database by username.
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* @param String $username
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*/
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function username_exists($username) {
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global $database;
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return $database->has('users', ['username' => $username]);
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}
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/**
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* Check if a user exists in the database by email.
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* @param String $username
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*/
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function email_exists($email) {
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global $database;
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return $database->has('users', ['email' => $email]);
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}
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/**
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* Checks the given credentials against the database.
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* Can use either email or username for identity.
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* @param string $username
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* @param string $password
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* @return boolean True if OK, else false
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*/
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function authenticate_user($username, $password) {
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global $database;
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$qf = 'username';
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if (!username_exists($username)) {
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if (!email_exists($username)) {
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return false;
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} else {
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$qf = 'email';
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}
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}
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$hash = $database->select('users', ['password'], [$qf => $username])[0]['password'];
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return (password_verify($password, $hash));
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}
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/**
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* Checks if a string or whatever is empty.
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* @param $str The thingy to check
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* @return boolean True if it's empty or whatever.
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*/
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function is_empty($str) {
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return (!isset($str) || $str == '' || $str == null);
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}
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function sendOK($message = "", $die = true) {
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if (!is_empty($message) && JSON) {
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echo '{ "status": "OK", "message": "' . $message . '" }';
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} elseif (is_empty($message) && JSON) {
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echo '{ "status": "OK" }';
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} elseif (!is_empty($message) && !JSON) {
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echo "OK:$message";
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} else {
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echo "OK";
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}
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if ($die) {
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die();
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}
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}
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function sendError($error, $die = true) {
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if (JSON) {
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echo '{ "status": "ERROR", "message": "' . $error . '" }';
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} else {
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echo "Error: $error";
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}
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if ($die) {
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die();
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}
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}
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