*** Backup Mirror *** The web interface and JSON api for the ConnectedHumber Air Quality Monitoring Project. https://github.com/ConnectedHumber/Air-Quality-Web
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<?php
namespace AirQuality;
class Validator {
private $target_data;
private $tests = [];
public function __construct($in_target_data) {
$this->target_data = $in_target_data;
}
public function exists($key) {
$this->add_test(
$key,
function($data) { return isset($data); },
400,
"Error: The field $key wasn't found in your request."
);
}
public function is_numberish($key) {
$this->add_test(
$key,
function($data) { return is_numeric($data); },
400,
"Error: The field $key in your request isn't a number."
);
}
public function is_min_length($key, $min_length) {
$this->add_test(
$key,
function($data) use ($min_length) { return mb_strlen($data) >= $min_length; },
400,
"Error: The field $key is too short - it must be a minimum of $min_length characters."
);
}
public function is_max_length($key, $max_length) {
$this->add_test(
$key,
function($data) use ($max_length) { return mb_strlen($data) <= $max_length; },
400,
"Error: The field $key is too long - it must be a maximum of $max_length characters."
);
}
public function are_equal($key_a, $key_b, $message) {
$key_b_data = $this->target_data[$key_b];
$this->add_test(
$key_a,
function($data) use($key_b_data) {
return $data === $key_b_data;
},
400,
$message
);
}
public function matches_regex($key, $regex, $message) {
$this->add_test(
$key,
function($data) use($regex) {
return preg_match($regex, $data) === 1;
},
400,
$message
);
}
public function is_valid_email($key) {
$this->add_test(
$key,
function($data) {
$validator = new \EmailValidator\Validator();
return $validator->isValid($data);
},
400,
"That email address isn't valid."
);
}
public function add_test($key, $test, $response_code, $message) {
$new_test = [
"key" => $key,
"test" => $test,
"response_code" => $response_code,
"message" => $message
];
$this->tests[] = $new_test;
}
protected function send_error($code, $message) {
http_response_code($code);
header("content-type: text/plain");
exit($message);
}
public function run() {
foreach($this->tests as $test) {
if(!isset($this->target_data[$test["key"]]) || !$test["test"]($this->target_data[$test["key"]])) {
$this->send_error($test["response_code"], $test["message"]);
}
}
}
}