From 62a4d0a39166df5bcb9c9a89431b32ec6fab8acb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emmanuel=20Beno=C3=AEt?= <tseeker@nocternity.net>
Date: Mon, 6 Feb 2012 00:10:24 +0100
Subject: [PATCH] E-mail validator
Added an e-mail validator to the form package. The validator is really
primitive and will only accept a small subset of email addresses, but I
needed one *now*.
---
includes/form/package.inc.php | 1 +
includes/form/validators.inc.php | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/includes/form/package.inc.php b/includes/form/package.inc.php
index 458cf18..470d331 100644
--- a/includes/form/package.inc.php
+++ b/includes/form/package.inc.php
@@ -22,3 +22,4 @@ $package[ 'extras' ][] = 'Modifier_TrimString';
$package[ 'extras' ][] = 'Validator_StringLength';
$package[ 'extras' ][] = 'Validator_InArray';
$package[ 'extras' ][] = 'Validator_IntValue';
+$package[ 'extras' ][] = 'Validator_Email';
diff --git a/includes/form/validators.inc.php b/includes/form/validators.inc.php
index ac39f24..b1be026 100644
--- a/includes/form/validators.inc.php
+++ b/includes/form/validators.inc.php
@@ -99,3 +99,26 @@ class Validator_IntValue
}
}
}
+
+
+class Validator_Email
+ implements FieldValidator
+{
+ private $errorText;
+
+ public function __construct( $errorText )
+ {
+ $this->errorText = $errorText;
+ }
+
+ public function validate( $value )
+ {
+ if ( preg_match( "/^[a-zA-Z0-9\._-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/" , $value ) ) {
+ list( $username , $domain ) = split( '@' , $value );
+ if ( checkdnsrr( $domain , 'MX' ) ) {
+ return null;
+ }
+ }
+ return array( $this->errorText );
+ }
+}