Initial commit

Couldnt keep the history unfortunately.
2021-03-03 17:55:48 +01:00
commit a8056b66cc
67 changed files with 7759 additions and 0 deletions
@@ -0,0 +1,188 @@
+<?php
+
+namespace App\Classes;
+
+use \Klein\Klein;
+
+class Form {
+
+	private $router;
+
+	private $data = [];
+	private $resetLabel = '';
+	private $submitLabel = 'Submit';
+	private $errorKey = '';
+
+	public function __construct(Klein $router)
+	{
+		$this->router = $router;
+		$this->router->service()->csrfToken = Session::token();
+		$this->router->service()->form = $this;
+		$this->router->service()->injectView = '../app/views/form.php';
+	}
+
+	//-------------------------------------//
+
+	public function addField(string $name, array $field): void
+	{
+		// "name" => [
+		// 	"label",
+		// 	"type",	   text, email, tel, password, radio, textarea, checkbox(?), comment
+		// 	"data",	   (for radio fields) [ 'value' => 'Label', 'value' => 'Label']
+		// 	"rules",   (server side rules)
+		// 	"message", (server side error message)
+		// 	"pattern", (client sided rule)
+		// 	"title",
+		// ],
+
+		$this->data[$name] = [
+			$field[0] ?? '',
+			$field[1] ?? '',
+			$field[2] ?? '',
+			$field[3] ?? '',
+			$field[4] ?? '',
+			$field[5] ?? '',
+			$field[6] ?? '',
+		];
+	}
+
+	public function validated(array $submit = []): bool
+	{
+		$result = false;
+
+		if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+
+			$result = true;
+
+			if (empty($submit)) {
+				$submit = $_POST;
+			}
+
+			if (!Session::validateToken($submit)) {
+				$result = false;
+			}
+
+			// Only check fields if CSRF token is valid
+			if ($result) {
+				// Check field rules
+				foreach ($this->data as $ruleName => $ruleValue) {
+
+					$found = false;
+					$value = '';
+					foreach ($submit as $submitName => $submitValue) {
+
+						if ($ruleName == $submitName) {
+							$found = true;
+							$value = $submitValue;
+							break;
+						}
+
+						if ($ruleValue[1] == 'comment') {
+							$found = true;
+							break;
+						}
+					}
+
+					if (!$found || !$this->matchRule($ruleName, $value)) {
+						$this->errorKey = $ruleName;
+						$result = false;
+						break;
+					}
+				}
+			}
+
+			// If unsuccessful, remember the form fields
+			if (!$result) {
+				foreach (array_keys($this->data) as $name) {
+					if ($name == 'captcha') {
+						continue;
+					}
+
+					$this->router->service()->{$name} = $submit[$name] ?? '';
+				}
+			}
+		}
+
+		Session::delete('captcha');
+
+		return $result;
+	}
+
+	public function matchRule(string $key, string $value): bool
+	{
+		// Get the rule(s)
+		$rule = $this->data[$key];
+		$rules = explode('|', $rule[3]);
+
+		if (array_search('required', $rules) !== false) {
+			if (empty($value)) {
+				return false;
+			}
+		}
+
+		if (array_search('email', $rules) !== false) {
+			if (!filter_var($value, FILTER_VALIDATE_EMAIL)) {
+				return false;
+			}
+		}
+
+		if (array_search('tel', $rules) !== false) {
+			if (!filter_var($value, FILTER_VALIDATE_REGEXP, [
+				'options' => [
+					'regexp' => '/^([0-9]{2}-?[0-9]{8})|([0-9]{3}-?[0-9]{7})$/',
+				]
+			])) {
+				return false;
+			}
+		}
+
+		if (array_search('captcha', $rules) !== false) {
+			if (!Session::exists('captcha')) {
+				return false;
+			}
+			else if ($value != Session::get('captcha')) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	public function errorMessage(): string
+	{
+		return $this->errorKey != '' ? $this->data[$this->errorKey][4] : '';
+	}
+
+	//-------------------------------------//
+
+	public function getFields(): array
+	{
+		return $this->data;
+	}
+
+	public function getReset(): string
+	{
+		return $this->resetLabel;
+	}
+
+	public function getSubmit(): string
+	{
+		return $this->submitLabel;
+	}
+
+	public function setData(array $data): void
+	{
+		$this->data = $data;
+	}
+
+	public function setReset(string $resetLabel): void
+	{
+		$this->resetLabel = $resetLabel;
+	}
+
+	public function setSubmit(string $submitLabel): void
+	{
+		$this->submitLabel = $submitLabel;
+	}
+
+}