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package Echolot::Storage::File;
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# (c) 2002 Peter Palfrader <peter@palfrader.org>
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# $Id: File.pm,v 1.7 2002/06/11 16:00:00 weasel Exp $
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#
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=pod
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=head1 Name
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Echolot::Storage::File - Storage backend for echolot
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=head1 DESCRIPTION
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This package provides several functions for data storage for echolot.
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=over
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=cut
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use strict;
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use warnings;
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use XML::Parser;
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use XML::Dumper;
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use IO::Handle;
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use English;
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use Carp qw{cluck confess};
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use Fcntl ':flock'; # import LOCK_* constants
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use Fcntl ':seek'; # import LOCK_* constants
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use Echolot::Tools;
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=item B<new> (I<%args>)
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Creates a new storage backend object.
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args keys:
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=over
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=item I<datadir>
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The basedir where this module may store it's configuration and pinging
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data.
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=back
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=cut
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my $CONSTANTS = {
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'metadatafile' => 'metadata'
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};
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$ENV{'PATH'} = '/bin:/usr/bin';
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delete @ENV{'IFS', 'CDPATH', 'ENV', 'BASH_ENV'};
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my $METADATA_VERSION = 1;
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sub new {
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my ($class, %params) = @_;
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my $self = {};
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bless $self, $class;
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defined($params{'datadir'}) or
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confess ('No datadir option passed to new');
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$self->{'datadir'} = $params{'datadir'};
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$self->{'DELAY_COMMIT'} = 0;
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$self->delay_commit();
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$self->metadata_open() or
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cluck ('Opening Metadata failed. Exiting'),
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exit 1;
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$self->metadata_read() or
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cluck ('Reading Metadata from Storage failed. Exiting'),
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exit 1;
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$self->pingdata_open() or
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cluck ('Opening Ping files failed. Exiting'),
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exit 1;
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$self->enable_commit();
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return $self;
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};
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sub commit($) {
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my ($self) = @_;
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if ($self->{'DELAY_COMMIT'}) {
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$self->{'COMMIT_PENDING'} = 1;
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return;
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};
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$self->metadata_write();
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$self->{'COMMIT_PENDING'} = 0;
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};
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sub delay_commit($) {
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my ($self) = @_;
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$self->{'DELAY_COMMIT'}++;
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};
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sub enable_commit($) {
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my ($self) = @_;
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$self->{'DELAY_COMMIT'}--;
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$self->commit() if ($self->{'COMMIT_PENDING'} && ! $self->{'DELAY_COMMIT'});
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};
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sub finish($) {
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my ($self) = @_;
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$self->pingdata_close();
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$self->metadata_write();
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$self->metadata_close();
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};
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sub metadata_open($) {
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my ($self) = @_;
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$self->{'METADATA_FH'} = new IO::Handle;
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my $filename = $self->{'datadir'} .'/'. $CONSTANTS->{'metadatafile'};
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if ( -e $filename ) {
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open($self->{'METADATA_FH'}, '+<' . $filename) or
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cluck("Cannot open $filename for reading: $!"),
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return 0;
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} else {
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open($self->{'METADATA_FH'}, '+>' . $filename) or
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cluck("Cannot open $filename for reading: $!"),
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return 0;
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};
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flock($self->{'METADATA_FH'}, LOCK_SH) or
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cluck("Cannot get shared lock on $filename: $!"),
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return 0;
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};
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sub metadata_close($) {
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my ($self) = @_;
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flock($self->{'METADATA_FH'}, LOCK_UN) or
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cluck("Error when releasing lock on metadata file: $!"),
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return -1;
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close($self->{'METADATA_FH'}) or
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cluck("Error when closing metadata file: $!"),
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return 0;
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};
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sub metadata_read($) {
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my ($self) = @_;
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$self->{'METADATA'} = ();
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seek($self->{'METADATA_FH'}, 0, SEEK_SET) or
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cluck("Cannot seek to start of metadata file: $!"),
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return 0;
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eval {
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my $parser = new XML::Parser(Style => 'Tree');
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my $tree = $parser->parse( $self->{'METADATA_FH'} );
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my $dump = new XML::Dumper;
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$self->{'METADATA'} = $dump->xml2pl($tree);
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};
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$EVAL_ERROR and
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cluck("Error when reading from metadata file: $EVAL_ERROR"),
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return 0;
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defined($self->{'METADATA'}->{'version'}) or
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cluck("Stored data lacks version header"),
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return 0;
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($self->{'METADATA'}->{'version'} == ($METADATA_VERSION)) or
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cluck("Metadata version mismatch ($self->{'METADATA'}->{'version'} vs. $METADATA_VERSION)"),
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return 0;
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defined($self->{'METADATA'}->{'secret'}) or
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$self->{'METADATA'}->{'secret'} = Echolot::Tools::make_random ( 16, armor => 1 ),
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$self->commit();
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return 1;
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};
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sub metadata_write($) {
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my ($self) = @_;
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# FIXME XML::Dumper bug workaround
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# There is a bug in pl2xml that changes data passed (cf. Debian Bug #148969 and #148970
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# at http://bugs.debian.org/148969 and http://bugs.debian.org/148970
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require Data::Dumper;
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my $storedata;
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eval ( Data::Dumper->Dump( [ $self->{'METADATA'} ], [ 'storedata' ] ));
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my $dump = new XML::Dumper;
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my $data = $dump->pl2xml($storedata);
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my $fh = $self->{'METADATA_FH'};
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seek($fh, 0, SEEK_SET) or
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cluck("Cannot seek to start of metadata file: $!"),
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return 0;
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truncate($fh, 0) or
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cluck("Cannot truncate metadata file to zero length: $!"),
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return 0;
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print($fh "<!-- vim:set syntax=xml: -->\n") or
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cluck("Error when writing to metadata file: $!"),
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return 0;
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print($fh $data) or
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cluck("Error when writing to metadata file: $!"),
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return 0;
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$fh->flush();
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return 1;
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};
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sub pingdata_open_one($$$$) {
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my ($self, $remailer_addr, $type, $key) = @_;
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defined ($self->{'METADATA'}->{'remailers'}->{$remailer_addr}) or
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cluck ("$remailer_addr does not exist in Metadata"),
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return 0;
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defined ($self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{'keys'}) or
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cluck ("$remailer_addr has no keys in Metadata"),
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return 0;
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defined ($self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{'keys'}->{$type}) or
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cluck ("$remailer_addr type $type does not exist in Metadata"),
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return 0;
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defined ($self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{'keys'}->{$type}->{$key}) or
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cluck ("$remailer_addr type $type key $key does not exist in Metadata"),
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return 0;
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my $basename = $self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{'stats'}->{$type}->{$key};
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defined($basename) or
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$basename = $self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{'stats'}->{$type}->{$key} = $remailer_addr.'.'.$key.'.'.time.'.'.$PROCESS_ID.'_'.Echolot::Globals::get()->{'internalcounter'}++,
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$self->commit();
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my $filename = $self->{'datadir'} .'/'. $basename;
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for my $direction ('out', 'done') {
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my $fh = new IO::Handle;
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if ( -e $filename.'.'.$direction ) {
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open($fh, '+<' . $filename.'.'.$direction) or
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cluck("Cannot open $filename.$direction for reading: $!"),
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return 0;
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$self->{'PING_FHS'}->{$remailer_addr}->{$type}->{$key}->{$direction} = $fh;
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} else {
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open($fh, '+>' . $filename.'.'.$direction) or
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cluck("Cannot open $filename.$direction for reading: $!"),
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return 0;
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$self->{'PING_FHS'}->{$remailer_addr}->{$type}->{$key}->{$direction} = $fh;
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};
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flock($fh, LOCK_EX) or
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cluck("Cannot get exclusive lock on $remailer_addr $type $key $direction pings: $!"),
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return 0;
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};
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return 1;
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};
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sub pingdata_open($) {
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my ($self) = @_;
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for my $remailer_addr ( keys %{$self->{'METADATA'}->{'remailers'}} ) {
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for my $type ( keys %{$self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{'keys'}} ) {
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for my $key ( keys %{$self->{'METADATA'}->{'remailers'}->{$remailer_addr}->{$type}->{'keys'}} ) {
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$self->pingdata_open_one($remailer_addr, $type, $key);
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};
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};
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};
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return 1;
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};
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sub get_ping_fh($$$$$) {
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my ($self, $remailer_addr, $type, $key, $direction) = @_;
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defined ($self->{'METADATA'}->{'remailers'}->{$remailer_addr}) or
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cluck ("$remailer_addr does not exist in Metadata"),
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return 0;
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my @pings;
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my $fh = $self->{'PING_FHS'}->{$remailer_addr}->{$type}->{$key}->{$direction};
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defined ($fh) or
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$self->pingdata_open_one($remailer_addr, $type, $key),
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$fh = $self->{'PING_FHS'}->{$remailer_addr}->{$type}->{$key}->{$direction};
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defined ($fh) or
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cluck ("$remailer_addr; type=$type; key=$key has no assigned filehandle for $direction pings"),
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return 0;
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return $fh;
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};
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sub pingdata_close() {
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my ($self) = @_;
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for my $remailer_addr ( keys %{$self->{'PING_FHS'}} ) {
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for my $type ( keys %{$self->{'PING_FHS'}->{$remailer_addr}} ) {
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for my $key ( keys %{$self->{'PING_FHS'}->{$remailer_addr}->{$type}} ) {
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for my $direction ( keys %{$self->{'PING_FHS'}->{$remailer_addr}->{$type}->{$key}} ) {
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my $fh = $self->{'PING_FHS'}->{$remailer_addr}->{$type}->{$key}->{$direction};
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flock($fh, LOCK_UN) or
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cluck("Error when releasing lock on $remailer_addr type $type key $key direction $direction pings: $!"),
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return 0;
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close ($fh) or
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cluck("Error when closing $remailer_addr type $type key $key direction $direction pings: $!"),
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return 0;
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};
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};
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};
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};
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return 1;
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};
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sub get_pings($$$$$) {
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my ($self, $remailer_addr, $type, $key, $direction) = @_;
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my @pings;
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my $fh = $self->get_ping_fh($remailer_addr, $type, $key, $direction) or
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cluck ("$remailer_addr; type=$type; key=$key has no assigned filehandle for $direction pings"),
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return 0;
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seek($fh, 0, SEEK_SET) or
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cluck("Cannot seek to start of $remailer_addr type $type key $key direction $direction pings: $!"),
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return 0;
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if ($direction eq 'out') {
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@pings = map {chomp; $_; } <$fh>;
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} elsif ($direction eq 'done') {
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@pings = map {chomp; my @arr = split (/\s+/, $_, 2); \@arr; } <$fh>;
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} else {
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confess("What the hell am I doing here? $remailer_addr; $type; $key; $direction"),
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return 0;
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};
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return @pings;
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};
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sub register_pingout($$$$) {
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my ($self, $remailer_addr, $type, $key, $sent_time) = @_;
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#require Data::Dumper;
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#print Data::Dumper->Dump( [ $self->{'PING_FHS'} ] );
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my $fh = $self->get_ping_fh($remailer_addr, $type, $key, 'out') or
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cluck ("$remailer_addr; type=$type; key=$key has no assigned filehandle for out pings"),
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return 0;
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seek($fh, 0, SEEK_END) or
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cluck("Cannot seek to end of $remailer_addr; type=$type; key=$key; out pings: $!"),
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return 0;
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print($fh $sent_time."\n") or
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cluck("Error when writing to $remailer_addr; type=$type; key=$key; out pings: $!"),
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return 0;
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$fh->flush();
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print "registering pingout at $sent_time for $remailer_addr\n";
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return 1;
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};
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sub register_pingdone($$$$$) {
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my ($self, $remailer_addr, $type, $key, $sent_time, $latency) = @_;
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defined ($self->{'METADATA'}->{'remailers'}->{$remailer_addr}) or
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cluck ("$remailer_addr does not exist in Metadata"),
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return 0;
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my @outpings = $self->get_pings($remailer_addr, $type, $key, 'out');
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my $origlen = scalar (@outpings);
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@outpings = grep { print "_: '$_'; st: '$sent_time'\n" ; $_ != $sent_time } @outpings;
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($origlen == scalar (@outpings)) and
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warn("No ping outstanding for $remailer_addr, $key, $sent_time\n"),
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| 378 |
return 1;
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| 379 |
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| 380 |
# write ping to done
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| 381 |
my $fh = $self->get_ping_fh($remailer_addr, $type, $key, 'done') or
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| 382 |
cluck ("$remailer_addr; type=$type; key=$key has no assigned filehandle for done pings"),
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| 383 |
return 0;
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| 384 |
seek($fh, 0, SEEK_END) or
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| 385 |
cluck("Cannot seek to end of $remailer_addr out pings: $!"),
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| 386 |
return 0;
|
| 387 |
print($fh $sent_time." ".$latency."\n") or
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| 388 |
cluck("Error when writing to $remailer_addr out pings: $!"),
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| 389 |
return 0;
|
| 390 |
$fh->flush();
|
| 391 |
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| 392 |
# rewrite outstanding pings
|
| 393 |
$fh = $self->get_ping_fh($remailer_addr, $type, $key, 'out') or
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| 394 |
cluck ("$remailer_addr; type=$type; key=$key has no assigned filehandle for out pings"),
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| 395 |
return 0;
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| 396 |
seek($fh, 0, SEEK_SET) or
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| 397 |
cluck("Cannot seek to start of outgoing pings file for remailer $remailer_addr; key=$key: $!"),
|
| 398 |
return 0;
|
| 399 |
truncate($fh, 0) or
|
| 400 |
cluck("Cannot truncate outgoing pings file for remailer $remailer_addr; key=$key file to zero length: $!"),
|
| 401 |
return 0;
|
| 402 |
print($fh (join "\n", @outpings), (scalar @outpings ? "\n" : '') ) or
|
| 403 |
cluck("Error when writing to outgoing pings file for remailer $remailer_addr; key=$key file: $!"),
|
| 404 |
return 0;
|
| 405 |
$fh->flush();
|
| 406 |
print "registering pingdone from $sent_time with latency $latency for $remailer_addr\n";
|
| 407 |
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| 408 |
return 1;
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| 409 |
};
|
| 410 |
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|
| 412 |
|
| 413 |
|
| 414 |
|
| 415 |
sub add_prospective_address($$$$) {
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| 416 |
my ($self, $addr, $reason, $additional) = @_;
|
| 417 |
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| 418 |
return 1 if defined $self->{'METADATA'}->{'addresses'}->{$addr};
|
| 419 |
push @{ $self->{'METADATA'}->{'prospective_addresses'}{$addr} }, time().'; '. $reason. '; '. $additional;
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| 420 |
$self->commit();
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| 421 |
};
|
| 422 |
|
| 423 |
sub get_addresses($) {
|
| 424 |
my ($self) = @_;
|
| 425 |
|
| 426 |
my @addresses = keys %{$self->{'METADATA'}->{'addresses'}};
|
| 427 |
my @return_data = map { my %tmp = %{$self->{'METADATA'}->{'addresses'}->{$_}}; $tmp{'address'} = $_; \%tmp; } @addresses;
|
| 428 |
return @return_data;
|
| 429 |
};
|
| 430 |
|
| 431 |
sub get_address_by_id($$) {
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| 432 |
my ($self, $id) = @_;
|
| 433 |
|
| 434 |
my @addresses = grep {$self->{'METADATA'}->{'addresses'}->{$_}->{'id'} == $id}
|
| 435 |
keys %{$self->{'METADATA'}->{'addresses'}};
|
| 436 |
return undef unless (scalar @addresses);
|
| 437 |
if (scalar @addresses >= 2) {
|
| 438 |
cluck("Searching for address by id '$id' gives more than one result");
|
| 439 |
};
|
| 440 |
my %return_data = %{$self->{'METADATA'}->{'addresses'}->{$addresses[0]}};
|
| 441 |
$return_data{'address'} = $addresses[0];
|
| 442 |
return \%return_data;
|
| 443 |
};
|
| 444 |
|
| 445 |
sub decrease_ttl($$) {
|
| 446 |
my ($self, $address) = @_;
|
| 447 |
|
| 448 |
defined ($self->{'METADATA'}->{'addresses'}->{$address}) or
|
| 449 |
cluck ("$address does not exist in Metadata address list"),
|
| 450 |
return 0;
|
| 451 |
$self->{'METADATA'}->{'addresses'}->{$address}->{'ttl'} --;
|
| 452 |
$self->{'METADATA'}->{'addresses'}->{$address}->{'status'} = 'disabled',
|
| 453 |
warn("Remailer $address disablesd: ttl expired\n")
|
| 454 |
if ($self->{'METADATA'}->{'addresses'}->{$address}->{'ttl'} <= 0);
|
| 455 |
# FIXME have proper logging
|
| 456 |
$self->commit();
|
| 457 |
return 1;
|
| 458 |
};
|
| 459 |
|
| 460 |
sub restore_ttl($$) {
|
| 461 |
my ($self, $address) = @_;
|
| 462 |
|
| 463 |
defined ($self->{'METADATA'}->{'addresses'}->{$address}) or
|
| 464 |
cluck ("$address does not exist in Metadata address list"),
|
| 465 |
return 0;
|
| 466 |
$self->{'METADATA'}->{'addresses'}->{$address}->{'ttl'} = Echolot::Config::get()->{'addresses_default_ttl'};
|
| 467 |
$self->commit();
|
| 468 |
return 1;
|
| 469 |
};
|
| 470 |
|
| 471 |
sub set_caps($$$$$$) {
|
| 472 |
my ($self, $type, $caps, $nick, $address, $timestamp) = @_;
|
| 473 |
|
| 474 |
if (! defined $self->{'METADATA'}->{'remailers'}->{$address}) {
|
| 475 |
$self->{'METADATA'}->{'remailers'}->{$address} =
|
| 476 |
{
|
| 477 |
status => 'active',
|
| 478 |
pingit => Echolot::Config::get()->{'ping_new'},
|
| 479 |
showit => Echolot::Config::get()->{'show_new'},
|
| 480 |
conf => {
|
| 481 |
nick => $nick,
|
| 482 |
type => $type,
|
| 483 |
capabilities => $caps,
|
| 484 |
last_update => $timestamp
|
| 485 |
}
|
| 486 |
};
|
| 487 |
} else {
|
| 488 |
my $conf = $self->{'METADATA'}->{'remailers'}->{$address}->{'conf'};
|
| 489 |
if ($conf->{'last_update'} >= $timestamp) {
|
| 490 |
warn ("Stored data is already newer for remailer $nick\n");
|
| 491 |
return 1;
|
| 492 |
};
|
| 493 |
$conf->{'last_update'} = $timestamp;
|
| 494 |
if ($conf->{'nick'} ne $nick) {
|
| 495 |
warn ($conf->{'nick'}." was renamed to $nick\n");
|
| 496 |
$conf->{'nick'} = $nick;
|
| 497 |
};
|
| 498 |
if ($conf->{'capabilities'} ne $caps) {
|
| 499 |
warn ("$nick has a new caps string '$caps' old: '".$conf->{'capabilities'}."'\n");
|
| 500 |
$conf->{'capabilities'} = $caps;
|
| 501 |
};
|
| 502 |
if ($conf->{'type'} ne $type) {
|
| 503 |
warn ("$nick has a new type string '$type'\n");
|
| 504 |
$conf->{'type'} = $type;
|
| 505 |
};
|
| 506 |
};
|
| 507 |
$self->commit();
|
| 508 |
|
| 509 |
return 1;
|
| 510 |
};
|
| 511 |
|
| 512 |
sub set_key($$$$$$$$$) {
|
| 513 |
my ($self, $type, $nick, $address, $key, $keyid, $version, $caps, $summary, $timestamp) = @_;
|
| 514 |
|
| 515 |
if (! defined $self->{'METADATA'}->{'remailers'}->{$address}) {
|
| 516 |
$self->{'METADATA'}->{'remailers'}->{$address} =
|
| 517 |
{
|
| 518 |
status => 'active',
|
| 519 |
pingit => Echolot::Config::get()->{'ping_new'},
|
| 520 |
showit => Echolot::Config::get()->{'show_new'},
|
| 521 |
};
|
| 522 |
};
|
| 523 |
|
| 524 |
if (! defined $self->{'METADATA'}->{'remailers'}->{$address}->{'keys'}) {
|
| 525 |
$self->{'METADATA'}->{'remailers'}->{$address}->{'keys'} = {};
|
| 526 |
};
|
| 527 |
if (! defined $self->{'METADATA'}->{'remailers'}->{$address}->{'keys'}->{$type}) {
|
| 528 |
$self->{'METADATA'}->{'remailers'}->{$address}->{'keys'}->{$type} = {};
|
| 529 |
};
|
| 530 |
|
| 531 |
if (! defined $self->{'METADATA'}->{'remailers'}->{$address}->{'keys'}->{$type}->{$keyid}) {
|
| 532 |
$self->{'METADATA'}->{'remailers'}->{$address}->{'keys'}->{$type}->{$keyid} =
|
| 533 |
{
|
| 534 |
key => $key,
|
| 535 |
summary => $summary,
|
| 536 |
nick => $nick,
|
| 537 |
last_update => $timestamp
|
| 538 |
};
|
| 539 |
} else {
|
| 540 |
my $keyref = $self->{'METADATA'}->{'remailers'}->{$address}->{'keys'}->{$type}->{$keyid};
|
| 541 |
if ($keyref->{'last_update'} >= $timestamp) {
|
| 542 |
warn ("Stored data is already newer for remailer $nick\n");
|
| 543 |
return 1;
|
| 544 |
};
|
| 545 |
$keyref->{'last_update'} = $timestamp;
|
| 546 |
if ($keyref->{'nick'} ne $nick) {
|
| 547 |
warn ("$nick has a new key nick string '$nick' old: '".$keyref->{'nick'}."'\n");
|
| 548 |
$keyref->{'nick'} = $nick;
|
| 549 |
};
|
| 550 |
if ($keyref->{'summary'} ne $summary) {
|
| 551 |
warn ("$nick has a new key summary string '$summary' old: '".$keyref->{'summary'}."'\n");
|
| 552 |
$keyref->{'summary'} = $summary;
|
| 553 |
};
|
| 554 |
if ($keyref->{'key'} ne $key) {
|
| 555 |
warn ("$nick has a new key string '$key' old: '".$keyref->{'key'}."' - This probably should not happen\n");
|
| 556 |
$keyref->{'key'} = $key;
|
| 557 |
};
|
| 558 |
};
|
| 559 |
$self->commit();
|
| 560 |
|
| 561 |
return 1;
|
| 562 |
};
|
| 563 |
|
| 564 |
sub get_secret($) {
|
| 565 |
my ($self) = @_;
|
| 566 |
|
| 567 |
return $self->{'METADATA'}->{'secret'};
|
| 568 |
};
|
| 569 |
|
| 570 |
sub get_remailers($) {
|
| 571 |
my ($self) = @_;
|
| 572 |
|
| 573 |
my @remailers = keys %{$self->{'METADATA'}->{'remailers'}};
|
| 574 |
return @remailers;
|
| 575 |
};
|
| 576 |
|
| 577 |
sub get_types($$) {
|
| 578 |
my ($self, $remailer) = @_;
|
| 579 |
|
| 580 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}) or
|
| 581 |
cluck ("$remailer does not exist in Metadata remailer list"),
|
| 582 |
return 0;
|
| 583 |
|
| 584 |
return () unless defined $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'};
|
| 585 |
my @types = keys %{$self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}};
|
| 586 |
return @types;
|
| 587 |
};
|
| 588 |
|
| 589 |
sub has_type($$$) {
|
| 590 |
my ($self, $remailer, $type) = @_;
|
| 591 |
|
| 592 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}) or
|
| 593 |
cluck ("$remailer does not exist in Metadata remailer list"),
|
| 594 |
return 0;
|
| 595 |
|
| 596 |
return 0 unless defined $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'};
|
| 597 |
return 0 unless defined $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type};
|
| 598 |
return 0 unless scalar keys %{$self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}};
|
| 599 |
return 1;
|
| 600 |
};
|
| 601 |
|
| 602 |
sub get_keys($$) {
|
| 603 |
my ($self, $remailer, $type) = @_;
|
| 604 |
|
| 605 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}) or
|
| 606 |
cluck ("$remailer does not exist in Metadata remailer list"),
|
| 607 |
return 0;
|
| 608 |
|
| 609 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}) or
|
| 610 |
cluck ("$remailer does not have type '$type' in Metadata remailer list"),
|
| 611 |
return 0;
|
| 612 |
|
| 613 |
my @keys = keys %{$self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}};
|
| 614 |
return @keys;
|
| 615 |
};
|
| 616 |
|
| 617 |
sub get_key($$$$) {
|
| 618 |
my ($self, $remailer, $type, $key) = @_;
|
| 619 |
|
| 620 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}) or
|
| 621 |
cluck ("$remailer does not exist in Metadata remailer list"),
|
| 622 |
return 0;
|
| 623 |
|
| 624 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}) or
|
| 625 |
cluck ("$remailer does not have type '$type' in Metadata remailer list"),
|
| 626 |
return 0;
|
| 627 |
|
| 628 |
defined ($self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}->{$key}) or
|
| 629 |
cluck ("$remailer does not have key '$key' in type '$type' in Metadata remailer list"),
|
| 630 |
return 0;
|
| 631 |
|
| 632 |
my %result = (
|
| 633 |
summary => $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}->{$key}->{'summary'},
|
| 634 |
key => $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}->{$key}->{'key'},
|
| 635 |
nick => $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}->{$key}->{'nick'},
|
| 636 |
last_update => $self->{'METADATA'}->{'remailers'}->{$remailer}->{'keys'}->{$type}->{$key}->{'last_update'}
|
| 637 |
);
|
| 638 |
|
| 639 |
return %result;
|
| 640 |
};
|
| 641 |
|
| 642 |
sub get_capabilities($$) {
|
| 643 |
my ($self, $remailer) = @_;
|
| 644 |
|
| 645 |
return undef unless defined $self->{'METADATA'}->{'remailers'}->{$remailer}->{'conf'};
|
| 646 |
return $self->{'METADATA'}->{'remailers'}->{$remailer}->{'conf'}->{'capabilities'};
|
| 647 |
};
|
| 648 |
|
| 649 |
sub get_nick($$) {
|
| 650 |
my ($self, $remailer) = @_;
|
| 651 |
|
| 652 |
return undef unless defined $self->{'METADATA'}->{'remailers'}->{$remailer}->{'conf'};
|
| 653 |
return $self->{'METADATA'}->{'remailers'}->{$remailer}->{'conf'}->{'nick'};
|
| 654 |
};
|
| 655 |
|
| 656 |
=back
|
| 657 |
|
| 658 |
=cut
|
| 659 |
|
| 660 |
# vim: set ts=4 shiftwidth=4:
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