ENH Use symfony/validation logic

_config/backtrace.yml

@@ -28,7 +28,8 @@ SilverStripe\Dev\Backtrace:
     - ['SilverStripe\Security\PasswordEncryptor_Blowfish', 'encryptA']
     - ['SilverStripe\Security\PasswordEncryptor_Blowfish', 'encryptX']
     - ['SilverStripe\Security\PasswordEncryptor_Blowfish', 'encryptY']
-    - ['SilverStripe\Security\PasswordValidator', 'validate']
+    - ['SilverStripe\Security\Validation\RulesPasswordValidator', 'validate']
+    - ['SilverStripe\Security\Validation\EntropyPasswordValidator', 'validate']
     - ['SilverStripe\Security\RememberLoginHash', 'setToken']
     - ['SilverStripe\Security\Security', 'encrypt_password']
     - ['*', 'checkPassword']

_config/passwords.yml

@@ -2,12 +2,5 @@
 Name: corepasswords
 ---
 SilverStripe\Core\Injector\Injector:
-  SilverStripe\Security\PasswordValidator:
-    properties:
-      MinLength: 8
-      HistoricCount: 6
-
-# In the case someone uses `new PasswordValidator` instead of Injector, provide some safe defaults through config.
-SilverStripe\Security\PasswordValidator:
-  min_length: 8
-  historic_count: 6
+  SilverStripe\Security\Validation\PasswordValidator:
+    class: 'SilverStripe\Security\Validation\EntropyPasswordValidator'

composer.json

@@ -50,7 +50,7 @@
         "symfony/mailer": "^7.0",
         "symfony/mime": "^7.0",
         "symfony/translation": "^7.0",
-        "symfony/validator": "^7.0",
+        "symfony/validator": "^7.1",
         "symfony/yaml": "^7.0",
         "ext-ctype": "*",
         "ext-dom": "*",

src/Control/Email/Email.php

@@ -4,14 +4,13 @@
 
 use Exception;
 use RuntimeException;
-use Egulias\EmailValidator\EmailValidator;
-use Egulias\EmailValidator\Validation\RFCValidation;
 use SilverStripe\Control\Director;
 use SilverStripe\Core\Config\Configurable;
 use SilverStripe\Core\Environment;
 use SilverStripe\Core\Extensible;
 use SilverStripe\Core\Injector\Injectable;
 use SilverStripe\Core\Injector\Injector;
+use SilverStripe\Core\Validation\ConstraintValidator;
 use SilverStripe\ORM\FieldType\DBField;
 use SilverStripe\Model\ArrayData;
 use SilverStripe\View\Requirements;
@@ -22,6 +21,8 @@
 use Symfony\Component\Mime\Address;
 use Symfony\Component\Mime\Email as SymfonyEmail;
 use Symfony\Component\Mime\Part\AbstractPart;
+use Symfony\Component\Validator\Constraints\Email as EmailConstraint;
+use Symfony\Component\Validator\Constraints\NotBlank;
 
 class Email extends SymfonyEmail
 {
@@ -63,16 +64,17 @@ class Email extends SymfonyEmail
     private bool $dataHasBeenSet = false;
 
     /**
-     * Checks for RFC822-valid email format.
-     *
-     * @copyright Cal Henderson <cal@iamcal.com>
-     *    This code is licensed under a Creative Commons Attribution-ShareAlike 2.5 License
-     *    http://creativecommons.org/licenses/by-sa/2.5/
+     * Checks for RFC valid email format.
      */
     public static function is_valid_address(string $address): bool
     {
-        $validator = new EmailValidator();
-        return $validator->isValid($address, new RFCValidation());
+        return ConstraintValidator::validate(
+            $address,
+            [
+                new EmailConstraint(mode: EmailConstraint::VALIDATION_MODE_STRICT),
+                new NotBlank()
+            ]
+        )->isValid();
     }
 
     public static function getSendAllEmailsTo(): array
@@ -117,7 +119,7 @@ private static function convertConfigToAddreses(array|string $config): array
         $addresses = [];
         if (is_array($config)) {
             foreach ($config as $key => $val) {
-                if (filter_var($key, FILTER_VALIDATE_EMAIL)) {
+                if (static::is_valid_address($key)) {
                     $addresses[] = new Address($key, $val);
                 } else {
                     $addresses[] = new Address($val);

src/Control/HTTPRequest.php

@@ -7,6 +7,8 @@
 use InvalidArgumentException;
 use SilverStripe\Core\ClassInfo;
 use SilverStripe\Core\ArrayLib;
+use Symfony\Component\Validator\Constraints\Ip;
+use Symfony\Component\Validator\Constraints\IpValidator;
 
 /**
  * Represents a HTTP-request, including a URL that is tokenised for parsing, and a request method
@@ -810,7 +812,8 @@ public function getIP()
      */
     public function setIP($ip)
     {
-        if (!filter_var($ip, FILTER_VALIDATE_IP)) {
+        // We can't use ConstraintValidator here because it relies on injector and the kernel may not have booted yet.
+        if (!IpValidator::checkIp($ip, Ip::ALL)) {
             throw new InvalidArgumentException("Invalid ip $ip");
         }
         $this->ip = $ip;

src/Control/Middleware/TrustedProxyMiddleware.php

@@ -3,7 +3,10 @@
 namespace SilverStripe\Control\Middleware;
 
 use SilverStripe\Control\HTTPRequest;
+use SilverStripe\Core\Validation\ConstraintValidator;
 use Symfony\Component\HttpFoundation\IpUtils;
+use Symfony\Component\Validator\Constraints\Ip;
+use Symfony\Component\Validator\Constraints\NotBlank;
 
 /**
  * This middleware will rewrite headers that provide IP and host details from an upstream proxy.
@@ -220,14 +223,14 @@ protected function getIPFromHeaderValue($headerValue)
 
         // Prioritise filters
         $filters = [
-            FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE,
-            FILTER_FLAG_NO_PRIV_RANGE,
-            null
+            Ip::ALL_ONLY_PUBLIC,
+            Ip::ALL_NO_PRIVATE,
+            Ip::ALL
         ];
         foreach ($filters as $filter) {
             // Find best IP
             foreach ($ips as $ip) {
-                if (filter_var($ip, FILTER_VALIDATE_IP, $filter ?? 0)) {
+                if (ConstraintValidator::validate($ip, [new Ip(version: $filter), new NotBlank()])->isValid()) {
                     return $ip;
                 }
             }

src/Core/Convert.php

@@ -2,9 +2,12 @@
 
 namespace SilverStripe\Core;
 
+use SilverStripe\Core\Validation\ConstraintValidator;
 use SimpleXMLElement;
 use SilverStripe\ORM\DB;
 use SilverStripe\View\Parsers\URLSegmentFilter;
+use Symfony\Component\Validator\Constraints\NotBlank;
+use Symfony\Component\Validator\Constraints\Url;
 
 /**
  * Library of conversion functions, implemented as static methods.
@@ -226,16 +229,14 @@ public static function xml2raw($val)
 
     /**
      * Create a link if the string is a valid URL
-     *
-     * @param string $string The string to linkify
-     * @return string A link to the URL if string is a URL
      */
-    public static function linkIfMatch($string)
-    {
-        if (preg_match('/^[a-z+]+\:\/\/[a-zA-Z0-9$-_.+?&=!*\'()%]+$/', $string ?? '')) {
+    public static function linkIfMatch(
+        string $string,
+        array $protocols = ['file', 'ftp', 'http', 'https', 'imap', 'nntp']
+    ): string {
+        if (ConstraintValidator::validate($string, [new Url(protocols: $protocols), new NotBlank()])->isValid()) {
             return "<a style=\"white-space: nowrap\" href=\"$string\">$string</a>";
         }
-
         return $string;
     }