CasperSecurity
# Copyrights 1995-2019 by [Mark Overmeer <markov@cpan.org>].
# For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.02.
# This code is part of the bundle MailTools. Meta-POD processed with
# OODoc into POD and HTML manual-pages. See README.md for Copyright.
# Licensed under the same terms as Perl itself.
package Mail::Address;
use vars '$VERSION';
$VERSION = '2.21';
use strict;
use Carp;
# use locale; removed in version 1.78, because it causes taint problems
sub Version { our $VERSION }
# given a comment, attempt to extract a person's name
sub _extract_name
{ # This function can be called as method as well
my $self = @_ && ref $_[0] ? shift : undef;
local $_ = shift
or return '';
# Using encodings, too hard. See Mail::Message::Field::Full.
return '' if m/\=\?.*?\?\=/;
# trim whitespace
s/^\s+//;
s/\s+$//;
s/\s+/ /;
# Disregard numeric names (e.g. 123456.1234@compuserve.com)
return "" if /^[\d ]+$/;
s/^\((.*)\)$/$1/; # remove outermost parenthesis
s/^"(.*)"$/$1/; # remove outer quotation marks
s/\(.*?\)//g; # remove minimal embedded comments
s/\\//g; # remove all escapes
s/^"(.*)"$/$1/; # remove internal quotation marks
s/^([^\s]+) ?, ?(.*)$/$2 $1/; # reverse "Last, First M." if applicable
s/,.*//;
# Change casing only when the name contains only upper or only
# lower cased characters.
unless( m/[A-Z]/ && m/[a-z]/ )
{ # Set the case of the name to first char upper rest lower
s/\b(\w+)/\L\u$1/igo; # Upcase first letter on name
s/\bMc(\w)/Mc\u$1/igo; # Scottish names such as 'McLeod'
s/\bo'(\w)/O'\u$1/igo; # Irish names such as 'O'Malley, O'Reilly'
s/\b(x*(ix)?v*(iv)?i*)\b/\U$1/igo; # Roman numerals, eg 'Level III Support'
}
# some cleanup
s/\[[^\]]*\]//g;
s/(^[\s'"]+|[\s'"]+$)//g;
s/\s{2,}/ /g;
$_;
}
sub _tokenise
{ local $_ = join ',', @_;
my (@words,$snippet,$field);
s/\A\s+//;
s/[\r\n]+/ /g;
while ($_ ne '')
{ $field = '';
if(s/^\s*\(/(/ ) # (...)
{ my $depth = 0;
PAREN: while(s/^(\(([^\(\)\\]|\\.)*)//)
{ $field .= $1;
$depth++;
while(s/^(([^\(\)\\]|\\.)*\)\s*)//)
{ $field .= $1;
last PAREN unless --$depth;
$field .= $1 if s/^(([^\(\)\\]|\\.)+)//;
}
}
carp "Unmatched () '$field' '$_'"
if $depth;
$field =~ s/\s+\Z//;
push @words, $field;
next;
}
if( s/^("(?:[^"\\]+|\\.)*")\s*// # "..."
|| s/^(\[(?:[^\]\\]+|\\.)*\])\s*// # [...]
|| s/^([^\s()<>\@,;:\\".[\]]+)\s*//
|| s/^([()<>\@,;:\\".[\]])\s*//
)
{ push @words, $1;
next;
}
croak "Unrecognised line: $_";
}
push @words, ",";
\@words;
}
sub _find_next
{ my ($idx, $tokens, $len) = @_;
while($idx < $len)
{ my $c = $tokens->[$idx];
return $c if $c eq ',' || $c eq ';' || $c eq '<';
$idx++;
}
"";
}
sub _complete
{ my ($class, $phrase, $address, $comment) = @_;
@$phrase || @$comment || @$address
or return undef;
my $o = $class->new(join(" ",@$phrase), join("",@$address), join(" ",@$comment));
@$phrase = @$address = @$comment = ();
$o;
}
#------------
sub new(@)
{ my $class = shift;
bless [@_], $class;
}
sub parse(@)
{ my $class = shift;
my @line = grep {defined} @_;
my $line = join '', @line;
my (@phrase, @comment, @address, @objs);
my ($depth, $idx) = (0, 0);
my $tokens = _tokenise @line;
my $len = @$tokens;
my $next = _find_next $idx, $tokens, $len;
local $_;
for(my $idx = 0; $idx < $len; $idx++)
{ $_ = $tokens->[$idx];
if(substr($_,0,1) eq '(') { push @comment, $_ }
elsif($_ eq '<') { $depth++ }
elsif($_ eq '>') { $depth-- if $depth }
elsif($_ eq ',' || $_ eq ';')
{ warn "Unmatched '<>' in $line" if $depth;
my $o = $class->_complete(\@phrase, \@address, \@comment);
push @objs, $o if defined $o;
$depth = 0;
$next = _find_next $idx+1, $tokens, $len;
}
elsif($depth) { push @address, $_ }
elsif($next eq '<') { push @phrase, $_ }
elsif( /^[.\@:;]$/ || !@address || $address[-1] =~ /^[.\@:;]$/ )
{ push @address, $_ }
else
{ warn "Unmatched '<>' in $line" if $depth;
my $o = $class->_complete(\@phrase, \@address, \@comment);
push @objs, $o if defined $o;
$depth = 0;
push @address, $_;
}
}
@objs;
}
#------------
sub phrase { shift->set_or_get(0, @_) }
sub address { shift->set_or_get(1, @_) }
sub comment { shift->set_or_get(2, @_) }
sub set_or_get($)
{ my ($self, $i) = (shift, shift);
@_ or return $self->[$i];
my $val = $self->[$i];
$self->[$i] = shift if @_;
$val;
}
my $atext = '[\-\w !#$%&\'*+/=?^`{|}~]';
sub format
{ my @addrs;
foreach (@_)
{ my ($phrase, $email, $comment) = @$_;
my @addr;
if(defined $phrase && length $phrase)
{ push @addr
, $phrase =~ /^(?:\s*$atext\s*)+$/o ? $phrase
: $phrase =~ /(?<!\\)"/ ? $phrase
: qq("$phrase");
push @addr, "<$email>"
if defined $email && length $email;
}
elsif(defined $email && length $email)
{ push @addr, $email;
}
if(defined $comment && $comment =~ /\S/)
{ $comment =~ s/^\s*\(?/(/;
$comment =~ s/\)?\s*$/)/;
}
push @addr, $comment
if defined $comment && length $comment;
push @addrs, join(" ", @addr)
if @addr;
}
join ", ", @addrs;
}
#------------
sub name
{ my $self = shift;
my $phrase = $self->phrase;
my $addr = $self->address;
$phrase = $self->comment
unless defined $phrase && length $phrase;
my $name = $self->_extract_name($phrase);
# first.last@domain address
if($name eq '' && $addr =~ /([^\%\.\@_]+([\._][^\%\.\@_]+)+)[\@\%]/)
{ ($name = $1) =~ s/[\._]+/ /g;
$name = _extract_name $name;
}
if($name eq '' && $addr =~ m#/g=#i) # X400 style address
{ my ($f) = $addr =~ m#g=([^/]*)#i;
my ($l) = $addr =~ m#s=([^/]*)#i;
$name = _extract_name "$f $l";
}
length $name ? $name : undef;
}
sub host
{ my $addr = shift->address || '';
my $i = rindex $addr, '@';
$i >= 0 ? substr($addr, $i+1) : undef;
}
sub user
{ my $addr = shift->address || '';
my $i = rindex $addr, '@';
$i >= 0 ? substr($addr,0,$i) : $addr;
}
1;