/usr/share/perl5/LWP/Protocol/mailto.pm is in libwww-perl 6.31-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | package LWP::Protocol::mailto;
# This module implements the mailto protocol. It is just a simple
# frontend to the Unix sendmail program except on MacOS, where it uses
# Mail::Internet.
require HTTP::Request;
require HTTP::Response;
require HTTP::Status;
use Carp;
use strict;
our $VERSION = '6.31';
use base qw(LWP::Protocol);
our $SENDMAIL;
unless ($SENDMAIL = $ENV{SENDMAIL}) {
for my $sm (qw(/usr/sbin/sendmail
/usr/lib/sendmail
/usr/ucblib/sendmail
))
{
if (-x $sm) {
$SENDMAIL = $sm;
last;
}
}
die "Can't find the 'sendmail' program" unless $SENDMAIL;
}
sub request
{
my($self, $request, $proxy, $arg, $size) = @_;
my ($mail, $addr) if $^O eq "MacOS";
my @text = () if $^O eq "MacOS";
# check proxy
if (defined $proxy)
{
return HTTP::Response->new(HTTP::Status::RC_BAD_REQUEST,
'You can not proxy with mail');
}
# check method
my $method = $request->method;
if ($method ne 'POST') {
return HTTP::Response->new( HTTP::Status::RC_BAD_REQUEST,
'Library does not allow method ' .
"$method for 'mailto:' URLs");
}
# check url
my $url = $request->uri;
my $scheme = $url->scheme;
if ($scheme ne 'mailto') {
return HTTP::Response->new( HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"LWP::Protocol::mailto::request called for '$scheme'");
}
if ($^O eq "MacOS") {
eval {
require Mail::Internet;
};
if($@) {
return HTTP::Response->new( HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"You don't have MailTools installed");
}
unless ($ENV{SMTPHOSTS}) {
return HTTP::Response->new( HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"You don't have SMTPHOSTS defined");
}
}
else {
unless (-x $SENDMAIL) {
return HTTP::Response->new( HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"You don't have $SENDMAIL");
}
}
if ($^O eq "MacOS") {
$mail = Mail::Internet->new or
return HTTP::Response->new( HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"Can't get a Mail::Internet object");
}
else {
open(SENDMAIL, "| $SENDMAIL -oi -t") or
return HTTP::Response->new( HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"Can't run $SENDMAIL: $!");
}
if ($^O eq "MacOS") {
$addr = $url->encoded822addr;
}
else {
$request = $request->clone; # we modify a copy
my @h = $url->headers; # URL headers override those in the request
while (@h) {
my $k = shift @h;
my $v = shift @h;
next unless defined $v;
if (lc($k) eq "body") {
$request->content($v);
}
else {
$request->push_header($k => $v);
}
}
}
if ($^O eq "MacOS") {
$mail->add(To => $addr);
$mail->add(split(/[:\n]/,$request->headers_as_string));
}
else {
print SENDMAIL $request->headers_as_string;
print SENDMAIL "\n";
}
my $content = $request->content;
if (defined $content) {
my $contRef = ref($content) ? $content : \$content;
if (ref($contRef) eq 'SCALAR') {
if ($^O eq "MacOS") {
@text = split("\n",$$contRef);
foreach (@text) {
$_ .= "\n";
}
}
else {
print SENDMAIL $$contRef;
}
}
elsif (ref($contRef) eq 'CODE') {
# Callback provides data
my $d;
if ($^O eq "MacOS") {
my $stuff = "";
while (length($d = &$contRef)) {
$stuff .= $d;
}
@text = split("\n",$stuff);
foreach (@text) {
$_ .= "\n";
}
}
else {
print SENDMAIL $d;
}
}
}
if ($^O eq "MacOS") {
$mail->body(\@text);
unless ($mail->smtpsend) {
return HTTP::Response->new(HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"Mail::Internet->smtpsend unable to send message to <$addr>");
}
}
else {
unless (close(SENDMAIL)) {
my $err = $! ? "$!" : "Exit status $?";
return HTTP::Response->new(HTTP::Status::RC_INTERNAL_SERVER_ERROR,
"$SENDMAIL: $err");
}
}
my $response = HTTP::Response->new(HTTP::Status::RC_ACCEPTED,
"Mail accepted");
$response->header('Content-Type', 'text/plain');
if ($^O eq "MacOS") {
$response->header('Server' => "Mail::Internet $Mail::Internet::VERSION");
$response->content("Message sent to <$addr>\n");
}
else {
$response->header('Server' => $SENDMAIL);
my $to = $request->header("To");
$response->content("Message sent to <$to>\n");
}
return $response;
}
1;
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