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FEATURE Added Email::obfuscate()

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@63462 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2008-10-01 14:40:01 +00:00
parent 497d760bcd
commit 40fd160743
1 changed files with 40 additions and 1 deletions
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41
email/Email.php
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@ -342,7 +342,18 @@ class Email extends ViewableData {
return $result;
}
/**
* Used as a default sender address in the {@link Email} class
* unless overwritten. Also shown to users on live environments
* as a contact address on system error pages.
*
* @usedby Email->send()
* @usedby Email->sendPlain()
* @usedby Debug->friendlyError()
*
* @param string $newEmail
*/
public static function setAdminEmail( $newEmail ) {
self::$admin_email_address = $newEmail;
}
@ -419,6 +430,34 @@ class Email extends ViewableData {
return preg_match("!^$addr_spec$!", $email) ? 1 : 0;
}
/**
* Encode an email-address to protect it from spambots.
* At the moment only simple string substitutions,
* which are not 100% safe from email harvesting.
*
* @todo Integrate javascript-based solution
*
* @param string $email Email-address
* @param string $method Method for obfuscating/encoding the address
* - 'visible': Simple string substitution ('@' to '[at]', '.' to '[dot], '-' to [dash])
* - 'hex': Hexadecimal URL-Encoding - useful for mailto: links
* @return string
*/
public static function obfuscate($email, $method = 'visible') {
switch($method) {
case 'visible' :
$obfuscated = array('@' => ' [at] ', '.' => ' [dot] ', '-' => ' [dash] ');
return strtr($email, $obfuscated);
case 'hex' :
$encoded = '';
for ($x=0; $x < strlen($email); $x++) $encoded .= '&#x' . bin2hex($email{$x}).';';
return $encoded;
default:
user_error('Email::obfuscate(): Unknown obfuscation method', E_USER_NOTICE);
return $email;
}
}
}
/**