diff options
Diffstat (limited to 'perl/Git/SVN/Prompt.pm')
| -rw-r--r-- | perl/Git/SVN/Prompt.pm | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/perl/Git/SVN/Prompt.pm b/perl/Git/SVN/Prompt.pm new file mode 100644 index 0000000000..3a6f8af0d9 --- /dev/null +++ b/perl/Git/SVN/Prompt.pm @@ -0,0 +1,202 @@ +package Git::SVN::Prompt; +use strict; +use warnings; +require SVN::Core; +use vars qw/$_no_auth_cache $_username/; + +sub simple { + my ($cred, $realm, $default_username, $may_save, $pool) = @_; + $may_save = undef if $_no_auth_cache; + $default_username = $_username if defined $_username; + if (defined $default_username && length $default_username) { + if (defined $realm && length $realm) { + print STDERR "Authentication realm: $realm\n"; + STDERR->flush; + } + $cred->username($default_username); + } else { + username($cred, $realm, $may_save, $pool); + } + $cred->password(_read_password("Password for '" . + $cred->username . "': ", $realm)); + $cred->may_save($may_save); + $SVN::_Core::SVN_NO_ERROR; +} + +sub ssl_server_trust { + my ($cred, $realm, $failures, $cert_info, $may_save, $pool) = @_; + $may_save = undef if $_no_auth_cache; + print STDERR "Error validating server certificate for '$realm':\n"; + { + no warnings 'once'; + # All variables SVN::Auth::SSL::* are used only once, + # so we're shutting up Perl warnings about this. + if ($failures & $SVN::Auth::SSL::UNKNOWNCA) { + print STDERR " - The certificate is not issued ", + "by a trusted authority. Use the\n", + " fingerprint to validate ", + "the certificate manually!\n"; + } + if ($failures & $SVN::Auth::SSL::CNMISMATCH) { + print STDERR " - The certificate hostname ", + "does not match.\n"; + } + if ($failures & $SVN::Auth::SSL::NOTYETVALID) { + print STDERR " - The certificate is not yet valid.\n"; + } + if ($failures & $SVN::Auth::SSL::EXPIRED) { + print STDERR " - The certificate has expired.\n"; + } + if ($failures & $SVN::Auth::SSL::OTHER) { + print STDERR " - The certificate has ", + "an unknown error.\n"; + } + } # no warnings 'once' + printf STDERR + "Certificate information:\n". + " - Hostname: %s\n". + " - Valid: from %s until %s\n". + " - Issuer: %s\n". + " - Fingerprint: %s\n", + map $cert_info->$_, qw(hostname valid_from valid_until + issuer_dname fingerprint); + my $choice; +prompt: + print STDERR $may_save ? + "(R)eject, accept (t)emporarily or accept (p)ermanently? " : + "(R)eject or accept (t)emporarily? "; + STDERR->flush; + $choice = lc(substr(<STDIN> || 'R', 0, 1)); + if ($choice =~ /^t$/i) { + $cred->may_save(undef); + } elsif ($choice =~ /^r$/i) { + return -1; + } elsif ($may_save && $choice =~ /^p$/i) { + $cred->may_save($may_save); + } else { + goto prompt; + } + $cred->accepted_failures($failures); + $SVN::_Core::SVN_NO_ERROR; +} + +sub ssl_client_cert { + my ($cred, $realm, $may_save, $pool) = @_; + $may_save = undef if $_no_auth_cache; + print STDERR "Client certificate filename: "; + STDERR->flush; + chomp(my $filename = <STDIN>); + $cred->cert_file($filename); + $cred->may_save($may_save); + $SVN::_Core::SVN_NO_ERROR; +} + +sub ssl_client_cert_pw { + my ($cred, $realm, $may_save, $pool) = @_; + $may_save = undef if $_no_auth_cache; + $cred->password(_read_password("Password: ", $realm)); + $cred->may_save($may_save); + $SVN::_Core::SVN_NO_ERROR; +} + +sub username { + my ($cred, $realm, $may_save, $pool) = @_; + $may_save = undef if $_no_auth_cache; + if (defined $realm && length $realm) { + print STDERR "Authentication realm: $realm\n"; + } + my $username; + if (defined $_username) { + $username = $_username; + } else { + print STDERR "Username: "; + STDERR->flush; + chomp($username = <STDIN>); + } + $cred->username($username); + $cred->may_save($may_save); + $SVN::_Core::SVN_NO_ERROR; +} + +sub _read_password { + my ($prompt, $realm) = @_; + my $password = ''; + if (exists $ENV{GIT_ASKPASS}) { + open(PH, "-|", $ENV{GIT_ASKPASS}, $prompt); + $password = <PH>; + $password =~ s/[\012\015]//; # \n\r + close(PH); + } else { + print STDERR $prompt; + STDERR->flush; + require Term::ReadKey; + Term::ReadKey::ReadMode('noecho'); + while (defined(my $key = Term::ReadKey::ReadKey(0))) { + last if $key =~ /[\012\015]/; # \n\r + $password .= $key; + } + Term::ReadKey::ReadMode('restore'); + print STDERR "\n"; + STDERR->flush; + } + $password; +} + +1; +__END__ + +Git::SVN::Prompt - authentication callbacks for git-svn + +=head1 SYNOPSIS + + use Git::SVN::Prompt qw(simple ssl_client_cert ssl_client_cert_pw + ssl_server_trust username); + use SVN::Client (); + + my $cached_simple = SVN::Client::get_simple_provider(); + my $git_simple = SVN::Client::get_simple_prompt_provider(\&simple, 2); + my $cached_ssl = SVN::Client::get_ssl_server_trust_file_provider(); + my $git_ssl = SVN::Client::get_ssl_server_trust_prompt_provider( + \&ssl_server_trust); + my $cached_cert = SVN::Client::get_ssl_client_cert_file_provider(); + my $git_cert = SVN::Client::get_ssl_client_cert_prompt_provider( + \&ssl_client_cert, 2); + my $cached_cert_pw = SVN::Client::get_ssl_client_cert_pw_file_provider(); + my $git_cert_pw = SVN::Client::get_ssl_client_cert_pw_prompt_provider( + \&ssl_client_cert_pw, 2); + my $cached_username = SVN::Client::get_username_provider(); + my $git_username = SVN::Client::get_username_prompt_provider( + \&username, 2); + + my $ctx = new SVN::Client( + auth => [ + $cached_simple, $git_simple, + $cached_ssl, $git_ssl, + $cached_cert, $git_cert, + $cached_cert_pw, $git_cert_pw, + $cached_username, $git_username + ]); + +=head1 DESCRIPTION + +This module is an implementation detail of the "git svn" command. +It implements git-svn's authentication policy. Do not use it unless +you are developing git-svn. + +The interface will change as git-svn evolves. + +=head1 DEPENDENCIES + +L<SVN::Core>. + +=head1 SEE ALSO + +L<SVN::Client>. + +=head1 INCOMPATIBILITIES + +None reported. + +=head1 BUGS + +None. |