Bug 395632: [SECURITY] XML-RPC WebService Bugzilla::User::offer_account_by_email…

Bugzilla/WebService/Constants.pm

@@ -83,6 +83,8 @@ use constant WS_ERROR_CODE => {
     # User errors are 500-600.
     account_exists        => 500,
     illegal_email_address => 501,
+    account_creation_disabled   => 501,
+    account_creation_restricted => 501,
     password_too_short    => 502,
     password_too_long     => 503,
     invalid_username      => 504,

Bugzilla/WebService/User.pm

@@ -74,6 +74,14 @@ sub offer_account_by_email {
     my $email = trim($params->{email})
         || ThrowCodeError('param_required', { param => 'email' });
 
+    my $createexp = Bugzilla->params->{'createemailregexp'};
+    if (!$createexp) {
+        ThrowUserError("account_creation_disabled");
+    }
+    elsif ($email !~ /$createexp/) {
+        ThrowUserError("account_creation_restricted");
+    }
+
     $email = Bugzilla::User->check_login_name_for_creation($email);
 
     # Create and send a token for this new account.