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MDL-21475 weblib: Simplify validate_email() to use existing function.

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This commit is contained in:
Arjen Lentz 2019-02-18 11:30:32 +10:00
parent 124999563a
commit 4b71e99564
2 changed files with 140 additions and 16 deletions
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147
lib/tests/weblib_test.php
View file

@ -484,19 +484,146 @@ EXPECTED;
}
/**
* Tests for validate_email() function.
* Data provider for validate_email() function.
*
* @return array Returns aray of test data for the test_validate_email function
*/
public function test_validate_email() {
public function data_validate_email() {
return [
// Test addresses that should pass.
[
'email' => 'moodle@example.com',
'result' => true
],
[
'email' => 'moodle@localhost.local',
'result' => true
],
[
'email' => 'verp_email+is=mighty@moodle.org',
'result' => true
],
[
'email' => "but_potentially'dangerous'too@example.org",
'result' => true
],
[
'email' => 'posts+AAAAAAAAAAIAAAAAAAAGQQAAAAABFSXz1eM/P/lR2bYyljM+@posts.moodle.org',
'result' => true
],
$this->assertTrue(validate_email('moodle@example.com'));
$this->assertTrue(validate_email('moodle@localhost.local'));
$this->assertTrue(validate_email('verp_email+is=mighty@moodle.org'));
$this->assertTrue(validate_email("but_potentially'dangerous'too@example.org"));
$this->assertTrue(validate_email('posts+AAAAAAAAAAIAAAAAAAAGQQAAAAABFSXz1eM/P/lR2bYyljM+@posts.moodle.org'));
// Test addresses that should NOT pass.
[
'email' => 'moodle@localhost',
'result' => false
],
[
'email' => '"attacker\\" -oQ/tmp/ -X/var/www/vhost/moodle/backdoor.php some"@email.com',
'result' => false
],
[
'email' => "moodle@example.com>\r\nRCPT TO:<victim@example.com",
'result' => false
],
$this->assertFalse(validate_email('moodle@localhost'));
$this->assertFalse(validate_email('"attacker\\" -oQ/tmp/ -X/var/www/vhost/moodle/backdoor.php some"@email.com'));
$this->assertFalse(validate_email("moodle@example.com>\r\nRCPT TO:<victim@example.com"));
// Extra email addresses from Wikipedia page on Email Addresses.
// Valid.
[
'email' => 'simple@example.com',
'result' => true
],
[
'email' => 'very.common@example.com',
'result' => true
],
[
'email' => 'disposable.style.email.with+symbol@example.com',
'result' => true
],
[
'email' => 'other.email-with-hyphen@example.com',
'result' => true
],
[
'email' => 'fully-qualified-domain@example.com',
'result' => true
],
[
'email' => 'user.name+tag+sorting@example.com',
'result' => true
],
// One-letter local-part.
[
'email' => 'x@example.com',
'result' => true
],
[
'email' => 'example-indeed@strange-example.com',
'result' => true
],
// See the List of Internet top-level domains.
[
'email' => 'example@s.example',
'result' => true
],
// Quoted double dot.
[
'email' => '"john..doe"@example.org',
'result' => true
],
// Invalid.
// No @ character.
[
'email' => 'Abc.example.com',
'result' => false
],
// Only one @ is allowed outside quotation marks.
[
'email' => 'A@b@c@example.com',
'result' => false
],
// None of the special characters in this local-part are allowed outside quotation marks.
[
'email' => 'a"b(c)d,e:f;g<h>i[j\k]l@example.com',
'result' => false
],
// Quoted strings must be dot separated or the only element making up the local-part.
[
'email' => 'just"not"right@example.com',
'result' => false
],
// Spaces, quotes, and backslashes may only exist when within quoted strings and preceded by a backslash.
[
'email' => 'this is"not\allowed@example.com',
'result' => false
],
// Even if escaped (preceded by a backslash), spaces, quotes, and backslashes must still be contained by quotes.
[
'email' => 'this\ still\"not\\allowed@example.com',
'result' => false
],
// Local part is longer than 64 characters.
[
'email' => '1234567890123456789012345678901234567890123456789012345678901234+x@example.com',
'result' => false
],
];
}
/**
* Tests valid and invalid email address using the validate_email() function.
*
* @param string $email the email address to test
* @param boolean $result Expected result (true or false)
* @dataProvider data_validate_email
*/
public function test_validate_email($email, $result) {
if ($result) {
$this->assertTrue(validate_email($email));
} else {
$this->assertFalse(validate_email($email));
}
}
/**

9
lib/weblib.php
View file

@ -1104,13 +1104,10 @@ function page_get_doc_link_path(moodle_page $page) {
* @return boolean
*/
function validate_email($address) {
global $CFG;
require_once($CFG->libdir.'/phpmailer/moodle_phpmailer.php');
return (bool)preg_match('#^[-!\#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+'.
'(\.[-!\#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+)*'.
'@'.
'[-!\#$%&\'*+\\/0-9=?A-Z^_`a-z{|}~]+\.'.
'[-!\#$%&\'*+\\./0-9=?A-Z^_`a-z{|}~]+$#',
$address);
return moodle_phpmailer::validateAddress($address);
}
/**