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gpgit
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Implemented --encrypt-mode and --help arguments. We now default to using 

PGP/MIME for encryption at all times, but there are several modes for
using inline encryption too. See --help.
This commit is contained in:
Mike Cardwell 2011-03-13 11:33:39 +00:00
parent e8ce1ea990
commit e6d73b62f6
2 changed files with 61 additions and 12 deletions
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8
TODO
View File

@ -25,12 +25,6 @@ it. Patches welcome.
--on-missing-key output-plain / discard-recipient / die
6.) At the moment, we prefer inline encryption and fall back to PGP/MIME if
the message is multipart. Should provide several different optional modes
of encryption.
--encrypt-mode prefer-inline / pgpmime / inline-or-plain
7.) Optionally specify path to the gpg "homedir" on the command line
6.) Optionally specify path to the gpg "homedir" on the command line
--gpg-home path-to-gnupg-directory

65
gpgit.pl
View File

@ -26,9 +26,28 @@ use Mail::GnuPG;
use MIME::Parser;
## Parse args
my @recipients = @ARGV;
die "Bad arguments. Missing email address\n" unless int(@recipients);
die "Bad arguments. Invalid email address\n" if grep( !/^.+\@.+$/, @recipients );
my $encrypt_mode = 'pgpmime';
my @recipients = ();
{
help() unless @ARGV;
my @args = @ARGV;
while( @args ){
my $key = shift @args;
if( $key eq '--help' || $key eq '-h' ){
help();
} elsif( $key eq '--encrypt-mode' ){
$encrypt_mode = shift @args;
unless( defined $encrypt_mode && grep( $encrypt_mode eq $_, 'prefer-inline', 'pgpmime', 'inline-or-plain' ) ){
die "Bad value for --encrypt-mode\n";
}
} elsif( $key =~ /^.+\@.+$/ ){
push @recipients, $key;
} else {
die "Bad argument: $key\n";
}
}
die "Missing recipients\n" unless @recipients;
}
## Object for GPG encryption
my $gpg = new Mail::GnuPG();
@ -68,10 +87,21 @@ use MIME::Parser;
{
$mime->make_singlepart;
my $code = $mime->mime_type =~ /^text\/plain/
my $code;
if( $encrypt_mode eq 'pgpmime' ){
$code = $gpg->mime_encrypt( $mime, @recipients );
} elsif( $encrypt_mode eq 'prefer-inline' ){
$code = $mime->mime_type =~ /^text\/plain/
? $gpg->ascii_encrypt( $mime, @recipients )
: $gpg->mime_encrypt( $mime, @recipients );
} elsif( $encrypt_mode eq 'inline-or-plain' ){
if( $mime->mime_type =~ /^text\/plain/ ){
$code = $gpg->ascii_encrypt( $mime, @recipients );
} else {
print $plain; exit 0;
}
}
if( $code ){
print $plain;
exit 0;
@ -83,3 +113,28 @@ use MIME::Parser;
## Print out the encrypted version
print $mime->stringify;
sub help {
print << "END_HELP";
Usage: gpgit.pl recipient1 recipient2
Gpgit takes a list of email addresses as its arguments. The email is encrypted
using the public keys associated with those email addresses.
Optional arguments:
--help or -h
Display this usage information.
--encrypt-mode prefer-inline / pgpmime / inline-or-plain
Single part text emails can be encrypted inline, or using PGP/MIME. Multi-part
emails can only be encrypted using PGP/MIME. "pgpmime" is the default for this
argument and means we will always use PGP/MIME. "prefer-inline" means that we
will use inline if possible, and PGP/MIME if not. "inline-or-plain" will use
inline encryption for single part emails, and no encryption for multi-part
emails.
END_HELP
exit 0;
}