10000 [Validator] check for empty host when calling checkdnsrr() by apetitpa · Pull Request #22109 · symfony/symfony · GitHub
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[Validator] check for empty host when calling checkdnsrr() #22109

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[Validator] check for empty host when calling checkdnsrr() #22109

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74629a4
[Validator] Allow checkMX() to return false when $host is empty
Mar 22, 2017
b7f6db6
Add empty check on host in other methods + add unit tests
Mar 23, 2017
af3b0d9
Remove malformed EmailValidatorTest + Update UrlValidator test
Mar 23, 2017
fd9843a
fix coding standard to comply with fabbot
Mar 23, 2017
61e2439
Use LF line separator
Mar 23, 2017
1683fee
Move empty condition in return statement
Mar 23, 2017
00f8e7b
Add a test case to prevent future regressions
Mar 23, 2017
6a919dd
Remove unnecessary parentheses
Mar 23, 2017
628c2d8
Switch to `is_string` native method
Mar 24, 2017
794f63d
remove non relevant test case
Mar 24, 2017
756f9ce
Switch to `empty` native function to check emptiness
Mar 24, 2017
b6f471a
Add a test to prevent future regressions
Mar 24, 2017
7defce7
rename dataset provider
Mar 24, 2017
c9b4613
cast substr result to string and remove empty function use
Mar 24, 2017
67e1dcc
update dataProvider function name
Mar 24, 2017
bb05115
move provider after test 8000
Mar 27, 2017
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cast substr result to string and remove empty function use
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apetitpa committed Mar 27, 2017
commit c9b4613f2f991f72dced573d2f7aeb79a009cd48
6 changes: 3 additions & 3 deletions src/Symfony/Component/Validator/Constraints/EmailValidator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ public function validate($value, Constraint $constraint)
return;
}

$host = substr($value, strrpos($value, '@') + 1);
$host = (string) substr($value, strrpos($value, '@') + 1);

// Check for host DNS resource records
if ($constraint->checkMX) {
Expand Down Expand Up @@ -118,7 +118,7 @@ public function validate($value, Constraint $constraint)
*/
private function checkMX($host)
{
return !empty($host) && checkdnsrr($host, 'MX');
return '' !== $host && checkdnsrr($host, 'MX');
}

/**
Expand All @@ -130,6 +130,6 @@ private function checkMX($host)
*/
private function checkHost($host)
{
return !empty($host) && ($this->checkMX($host) || (checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA')));
return '' !== $host && ($this->checkMX($host) || (checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA')));
}
}
0