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BUG10963: implement a better email verification

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We now check all allowed chars in the address before the @ sign.
The domainpart after the '@' sign is just checked for valid chars, so that user@ipfire is valid, too

Signed-off-by: Alexander Marx <alexander.marx@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Alexander Marx
2015-11-19 11:09:49 +01:00
committed by Michael Tremer
parent 915c88931a
commit b00797e260
1 changed files with 20 additions and 9 deletions
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27
config/cfgroot/general-functions.pl
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@@ -747,14 +747,25 @@ sub ipcidr2msk {
}
sub validemail {
my $mail = shift;
return 0 if ( $mail !~ /^[0-9a-zA-Z\.\-\_]+\@[0-9a-zA-Z\.\-]+$/ );
return 0 if ( $mail =~ /^[^0-9a-zA-Z]|[^0-9a-zA-Z]$/);
return 0 if ( $mail !~ /([0-9a-zA-Z]{1})\@./ );
return 0 if ( $mail !~ /.\@([0-9a-zA-Z]{1})/ );
return 0 if ( $mail =~ /.\.\-.|.\-\..|.\.\..|.\-\-./g );
return 0 if ( $mail =~ /.\.\_.|.\-\_.|.\_\..|.\_\-.|.\_\_./g );
return 0 if ( $mail !~ /\.([a-zA-Z]{2,4})$/ );
my $address = shift;
my @parts = split( /\@/, $address );
my $count=@parts;
#check if we have one part before and after '@'
return 0 if ( $count != 2 );
#check if one of the parts starts or ends with a dot
return 0 if ( substr($parts[0],0,1) eq '.' );
return 0 if ( substr($parts[0],-1,1) eq '.' );
return 0 if ( substr($parts[1],0,1) eq '.' );
return 0 if ( substr($parts[1],-1,1) eq '.' );
#check first addresspart (before '@' sign)
return 0 if ( $parts[0] !~ m/^[a-zA-Z0-9\.!\-\+#]+$/ );
#check second addresspart (after '@' sign)
return 0 if ( $parts[1] !~ m/^[a-zA-Z0-9\.\-]+$/ );
return 1;
}