X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=apps%2Firssi%2Fscripts%2Fsilc-mime.pl;fp=apps%2Firssi%2Fscripts%2Fsilc-mime.pl;h=0000000000000000000000000000000000000000;hb=72c2de619079457f7a68100eb13385275a424a23;hp=07ea08def11aa080d2ca7220c08fc6496d8b3468;hpb=e7b6c157b80152bf9fb9266e6bdd93f9fb0db776;p=runtime.git

diff --git a/apps/irssi/scripts/silc-mime.pl b/apps/irssi/scripts/silc-mime.pl
deleted file mode 100644
index 07ea08de..00000000
--- a/apps/irssi/scripts/silc-mime.pl
+++ /dev/null
@@ -1,514 +0,0 @@
-#!/usr/bin/perl
-
-use vars qw($VERSION %IRSSI);
-
-use Irssi 20020704;
-$VERSION = "1.2";
-%IRSSI = (
-    authors	=> "Jochen 'c0ffee' Eisinger",
-    contact	=> "c0ffee\@penguin-breeder.org",
-    name	=> "SILC2 MIME handler",
-    description => "This script implements MIME handlers for SILC2, according to draft-riikonen-silc-flags-payloads-00",
-    license	=> "GPL2 or any later",
-    url		=> "http://www.penguin-breeder.org/silc/",
-    changed	=> "Wed Aug 29 10:45 CET 2003",
-);
-
-use Irssi::Silc;
-
-use MIME::Parser;
-use Mail::Field;
-use Mail::Cap;
-use File::MMagic;
-use IO::Scalar;
-use IO::File;
-use File::Temp qw/ tempfile /;
-use Sys::Hostname;
-use POSIX qw/ ceil /;
-
-my @mcaps;
-my $magic = new File::MMagic;
-
-## 
-# read_mime_database
-# 
-# Loads all mailcap databases specified in the setting
-# mime_database.  Default is ~/.mailcap and /etc/mailcap in
-# that order.  Function is invoked on startup.
-#
-# MIME Magic Info is also read...
-sub read_mime_database {
-    # read mailcap databases rfc1525
-    foreach (split /\s+/, Irssi::settings_get_str("mime_database")) {
-        if (( -f $_ ) and ( -R $_ )) {
-	    Irssi::printformat(MSGLEVEL_CRAP, 'load_mailcap', $_)
-	      if Irssi::settings_get_bool("mime_verbose");
-	    $mcap = new Mail::Cap $_;
-	    push @mcaps, $mcap;
-	} else {
-	    Irssi::printformat(MSGLEVEL_CRAP, 'load_mailcap_fail', $_)
-	      if Irssi::settings_get_bool("mime_verbose");
-	}
-    }
-
-    $mfile = Irssi::settings_get_str("mime_magic");
-
-    if ($mfile ne "") {
-        Irssi::printformat(MSGLEVEL_CRAP, 'load_mime_magic', $mfile);
-        $magic = File::MMagic::new($mfile);
-    }
-
-    if ( not -d Irssi::settings_get_str("mime_temp_dir")) {
-
-        Irssi::printformat(MSGLEVEL_CRAP, 'no_temp_dir',
-            Irssi::settings_get_str("mime_temp_dir"));
-
-        Irssi::settings_set_str("mime_temp_dir", "/tmp");
-
-    }
-}
-
-##
-# privmsg_get_query
-#
-# get or create query
-#
-sub privmsg_get_query {
-  my ($server, $target, $own) = @_;
-
-  $dest = $server->query_find($target);
-  if (not defined $dest && 
-      (Irssi::level2bits(settings_get_str("autocreate_query_level")) &
-       MSGLEVEL_MSGS) &&
-      (!$own || Irssi::settings_get_bool("autocreate_own_query"))) {
-      $dest = Irssi::Silc::Server::query_create($server->{tag}, $target, 1);
-  }
-
-  return $dest;
-}
-
-##
-# unescape
-#
-# Removes the null-byte escaping from a data block.  Returns the
-# unescaped data.  All data send via mime signals must be escaped.
-sub unescape {
-    my ($escaped) = @_;
-    $escaped =~ s/\001\001/\000/g;
-    $escaped =~ s/\001\002/\001/g;
-
-    return $escaped;
-}
-
-##
-# escape
-#
-# Escapes null-bytes for signal transfer.  Used to transfer binary data
-# in null-terminated strings.  Returns the escaped data.  All data send
-# via mime signals must be escaped.
-sub escape {
-    my ($unescaped) = @_;
-    $unescaped =~ s/\001/\001\002/g;
-    $unescaped =~ s/\000/\001\001/g;
-
-    return $unescaped;
-}
-
-##
-# background_exec
-#
-# fork and execute
-#
-sub background_exec {
-  my ($server, $witem, $signed, $sender, $type, $cmd) = @_;
-
-  if ($signed == -1) {
-    $format = "mime_data_received";
-  } elsif ($signed == 0) {
-    $format = "mime_data_received_signed";
-  } elsif ($signed == 1) {
-    $format = "mime_data_received_unknown";
-  } elsif ($signed == 2) {
-    $format = "mime_data_received_failed";
-  }
-
-  if (not $witem->{type}) {
-    $witem = privmsg_get_query($server, $sender, 0);
-  }
-
-  if ($witem->{type}) {
-    $witem->printformat(MSGLEVEL_CRAP, $format, $sender, $type);
-    $witem->window()->command("EXEC " . Irssi::settings_get_str("mime_exec_param") . " " .
-    		    $cmd);
-  } else {
-    Irssi::printformat(MSGLEVEL_CRAP, $format, $sender, $type);
-    Irssi::command("EXEC " . Irssi::settings_get_str("mime_exec_param") . " " .
-  		   $cmd);
-  }
-
-}
-
-my %partial;
-
-##
-# process_mime_entity(WI_ITEM_REC, $signed, $sender, MIME::Entity $msg)
-#
-# -1 failure, 0 success
-sub process_mime_entity {
-  my ($server, $witem, $signed, $sender, $entity) = @_;
-
-  my ($mimetype, $fh, $tempfile, $parser, $ret, $io, $mcap, $cmd);  
-
-  $mimetype = Mail::Field->new('Content-type', $entity->head->get('Content-Type'));
-
-  # check whether this is message/partial
-  if ($mimetype->type eq  "message/partial") {
-
-    # without an ID i don't know what stream this is related to
-    if ($mimetype->id eq "") {
-      Irssi::printformat(MSGLEVEL_CRAP, 'message_partial_failure', "no ID");
-      return -1;
-    }
-
-    # the first packet is treated seperatly
-    if ($mimetype->number == 1) {
-
-      # the IDs should be unique
-      if (defined $partial{$mimetype->id}) {
-        Irssi::printformat(MSGLEVEL_CRAP, 'message_partial_failure', "duplicate ID");
-        $fh = $partial{$mimetype->id}{file};
-        $fh->close;
-	unlink $partial{$mimetype->id}{name};
-	undef $partial{$mimetype->id};
-        return -1;
-      }
-
-      # create a new record
-      $partial{$mimetype->id}{received} = 1;
-      ($fh, $partial{$mimetype->id}{name})= tempfile("msg-XXXXXXXX", SUFFIX => ".dat", DIR => Irssi::settings_get_str("mime_temp_dir"));
-      $partial{$mimetype->id}{file} = $fh;
-      $partial{$mimetype->id}{count} = 1;
-      $partial{$mimetype->id}{total} = $mimetype->total;
-      
-    } else { # 2nd and later packets
-
-      # detect unknown IDs
-      if (not defined $partial{$mimetype->id}) {
-        Irssi::printformat(MSGLEVEL_CRAP, 'message_partial_failure', "unknown ID");
-        return -1;
-      }
-      
-      # the 'total' information can be set in any packet,
-      # however it has to be the same all the time
-      if ($mimetype->total > 0) {
-      
-        if (($partial{$mimetype->id}{total} > 0) &&
-            ($partial{$mimetype->id}{total} != $mimetype->total)) {
-          Irssi::printformat(MSGLEVEL_CRAP, 'message_partial_failure', "invalid count");
-      	  $fh = $partial{$mimetype->id}{file};
-      	  $fh->close;
-	  unlink $partial{$mimetype->id}{name};
-      	  undef $partial{$mimetype->id};
-      	  return -1;
-        }
-      
-        $partial{$mimetype->id}{total} = $mimetype->total;
-      
-      }
-      
-      # we expect to receive packets in order
-      if ($mimetype->number != ($partial{$mimetype->id}{count} + 1)) {
-        Irssi::printformat(MSGLEVEL_CRAP, 'message_partial_failure', "invalid sequence number");
-        $fh = $partial{$mimetype->id}{file};
-        $fh->close;
-	unlink $partial{$mimetype->id}{name};
-        undef $partial{$mimetype->id};
-        return -1;
-      }
-      
-      # update our sequence record and save the packet
-      $partial{$mimetype->id}{count} = $mimetype->number;
-
-    }
-
-    # and save the packet
-    $fh = $partial{$mimetype->id}{file};
-    if ($io = $entity->bodyhandle->open("r")) {
-      while (defined($_ = $io->getline)) { print $fh $_ }
-      $io->close;
-    }
-
-    # return if this wasn't the last packet
-    if (($partial{$mimetype->id}{total} == 0) || 
-        ($partial{$mimetype->id}{count} < $partial{$mimetype->id}{total})) {
-      return 1;
-    }
-
-    # last packet...
-    $tempfile = $partial{$mimetype->id}{name};
-    $fh = $partial{$mimetype->id}{file};
-    $fh->close;
-    undef $partial{$mimetype->id};
-
-    $parser = new MIME::Parser;
-    $parser->output_dir(Irssi::settings_get_str("mime_temp_dir"));
-    $mime = $parser->parse_open($tempfile);
-
-    $ret = process_mime_entity($server, $witem, $signed, $sender, $mime);
-
-    $parser->filer->purge;
-    unlink $tempfile;
-    return $ret;
-
-  }
-
-  # we could check for */parityfec (RTP packets) rfc2733, 3009
-
-  # save to temporary file
-  ($fh, $tempfile) = tempfile("msg-XXXXXXXX", SUFFIX => ".dat", DIR => Irssi::settings_get_str("mime_temp_dir"));
-  if ($io = $entity->open("r")) {
-    while (defined($_ = $io->getline)) { print $fh $_; }
-    $io->close;
-  }
-  close $fh;  
-
-  # try to handle it
-  foreach $mcap (@mcaps) {
-
-    $cmd = $mcap->viewCmd($mimetype->type, $tempfile);
-    next if not defined $cmd;
-
-    background_exec($server, $witem, $signed, $sender, $mimetype->type, $cmd);
-    return 1;
-  }
-
-  unlink $tempfile if Irssi::settings_get_bool("mime_unlink_tempfiles");
-  return $mimetype->type;
-}
-
-##
-# sig_mime
-#
-# signal handler for incoming MIME type messages.  If the encoding or
-# the content type are missing or not parsable, they default to binary
-# and application/octet-stream respectivly.  If a decoder for the given
-# transfer encoding is available, the message is decoded.  If a handler
-# for the given content type is available in one of the mailcap databases,
-# the handler is invoked and the signal is stopped.  The mailcap databases
-# are scanned in order of loading.  Temporary files are unlinked if the
-# setting mime_unlink_tempfiles is true.
-sub sig_mime {
-
-    my ($server, $witem, $blob, $sender, $verified) = @_;
-
-    $parser = new MIME::Parser;
-    $parser->output_dir(Irssi::settings_get_str("mime_temp_dir"));
-    $mime = $parser->parse_data(unescape($blob));
-
-    $ret = process_mime_entity($server, $witem, $verified, $sender, $mime);
-
-    $parser->filer->purge;
-
-    if ($ret == 1) {
-        Irssi::signal_stop();
-    } elsif  ($ret == -1) {
-        return;
-    } else {
-    	if (not $witem->{type}) {
-	  $witem = privmsg_get_query($server, $sender, 0);
-	}
-        $theme = $witem->{theme} || Irssi::current_theme;
-	$format = $theme->get_format("fe-common/silc", "message_data");
-	$format =~ s/\$0/$sender/;
-	$format =~ s/\$1/$ret/;
-	if ($witem->{type}) {
-            $witem->print($theme->format_expand($format));
-        } else {
-            Irssi::print($theme->format_expand($format));
-        }
-        Irssi::signal_stop();
-    }
-}
-
-##
-# cmd_mmsg
-#
-# Sends a file with a given MIME type and transfer encoding.
-#
-# MMSG [<-sign>] [<-channel>] <target> <file> [<type>  [<encoding>]]
-#
-# Sends a private data message to other user in the network.  The message
-# will be send as a MIME encoded data message.
-#
-# If -channel option is provided then this command actually send channel
-# message to the specified channel.  The message IS NOT private message, it
-# is normal channel message.
-#
-# If the -sign optin is provided, the message will be additionally
-# signed.
-#
-# Messages that exceed roughly 64k have to be split up into smaller packets.
-# This is done automatically.
-#
-# If no transfer-encoding is given it defaults to binary or 7bit for messages
-# that have to be split up.
-#
-# If no content-type is given it is guessed using a MIME magic file.
-#
-# Settings
-#
-#   mime_magic            - path to MIME magic file, or internal 
-#                           defaults if empty
-#   mime_default_encoding - encoding to use if none specified
-#   mime_temp_dir         - where to store temporary files
-#
-# Examples
-#
-# /MMSG Foobar smiley.gif image/gif binary
-# /MMSG -channel silc silc.patch text/x-patch 7bit
-# /MMSG * boing.mp3 audio/mpeg
-sub cmd_mmsg {
-    my ($data, $server, $witem) = @_;
-
-    if ($server->{chat_type} ne "SILC") {
-	Irssi::printformat(MSGLEVEL_CRAP, 'mmsg_chattype');
-	return;
-    }
-
-    ($sign, $is_channel, $target, $file, $type, $encoding) =
-        $data =~ /^\s*(?:(-sign)?\s+)?    # match the -sign
-		  \s*(?:(-channel)?\s+)?  # match the -channel
-	          (\*|\S+)\s+             # target
-		  (\S+)                   # filename
-		  (?:\s+(\S+)             # mime type
-		     (?:\s+(\S+))?)?\s*   # encoding
-		 $/ix;
-
-    Irssi::printformat(MSGLEVEL_CRAP, 'mmsg_parameters'), return
-        if ($target eq "") or ($file eq "");
-
-    Irssi::printformat(MSGLEVEL_CRAP, 'mmsg_file', $file), return
-        if not ( -f $file );
-
-    $type = $magic->checktype_filename($file)
-        if not defined $type;
-    $encoding = Irssi::settings_get_str("mime_default_encoding")
-        if not defined $encoding;
-
-    # does the target exist? we don't test that... especially the
-    # -channel parameter is ignored :/
-
-    if ($target eq "*") {
-
-      $is_channel = ($witem->{type} eq "CHANNEL" ? "-channel" : "");
-      $target = $witem->{name};
-
-    }
-
-    $entity = new MIME::Entity->build(
-        'MIME-Version' => "1.0",
-    	Encoding       => $encoding,
-	Type	       => $type,
-	Path	       => $file
-    );
-
-    ($fh, $tempfile) = tempfile( DIR => Irssi::settings_get_str("mime_temp_dir"));
-    $entity->print($fh);
-    close $fh;
-
-    $is_channel = (lc($is_channel) eq "-channel" ? 1 : 0);
-    $sign = (lc($sign) eq "-sign" ? 1 : 0);
-
-    if ($is_channel) {
-      $dest = $server->channel_find($target);
-    } else {
-      $dest = privmsg_get_query($server, $target, 1);
-    }
-
-    
-    # 21:27 <@pekka> c0ffee: the core routines will crop the message if it
-    #                doesn't fit.. I would use a bit shorter than the MAX_LEN
-    # 21:28 <@pekka> c0ffee: -1024 bytes is sufficient
-    # 21:28 <@pekka> c0ffee: should be sufficient in all possible cases
-    if ((stat($tempfile))[7] < 0xfbff) {
-      $format = ($sign ? "mime_data_send_signed" : "mime_data_send");
-      if ($dest->{type}) {
-        $dest->printformat(MSGLEVEL_CRAP, $format, $type);
-      } else {
-        Irssi::printformat(MSGLEVEL_CRAP, $format, $type);
-      }
-
-      unlink $tempfile;
-      Irssi::signal_emit("mime-send", $server, \$is_channel,
-			 $target, escape($entity->stringify), \$sign);
-    } else {
-
-      $format = ($sign ? "mime_data_multi_signed" : "mime_data_multi");
-      $chunks = ceil((stat $tempfile)[7] / 0xfb00);
-      if ($dest->{type}) {
-        $dest->printformat(MSGLEVEL_CRAP, $format, $type, $chunks);
-      } else {
-        Irssi::printformat(MSGLEVEL_CRAP, $format, $type, $chunks);
-      }
-
-      open TFILE, $tempfile;
-      $id = sprintf "id-%06d-%08d\@%s", int(rand(65535)), time(), hostname();;
-      $chunks = 0;
-      do {
-        read TFILE, $data, 0xfb00;
-	$chunks++;
-
-        $entity = new MIME::Entity->build(
-            'MIME-Version' => "1.0",
-    	    Encoding       => "binary",
-	    Type           => "message/partial; id=\"$id\"; number=$chunks" . 
-	    			(eof(TFILE) ? "; total=$chunks" : ""),
-	    Data           => $data
-        );
-        Irssi::signal_emit("mime-send", $server, \$is_channel,
-				$target, escape($entity->stringify), \$sign);
-
-    } while (!eof(TFILE));
-    close TFILE;
-    
-    unlink $tempfile;
-  }
-}
-
-# Signal handlers
-Irssi::signal_add("mime", "sig_mime");
-
-# Commands
-Irssi::command_bind("mmsg", "cmd_mmsg");
-
-# Settings
-Irssi::settings_add_str("misc", "mime_database", 
-    "$ENV{HOME}/.mailcap /etc/mailcap");
-Irssi::settings_add_bool("misc", "mime_unlink_tempfiles", 1);
-Irssi::settings_add_str("misc", "mime_default_encoding", "binary");
-Irssi::settings_add_bool("misc", "mime_verbose", 0);
-Irssi::settings_add_str("misc", "mime_temp_dir", "/tmp");
-Irssi::settings_add_str("misc", "mime_magic", "");
-Irssi::settings_add_str("misc", "mime_exec_param", "-");
-
-# Init
-Irssi::theme_register(['load_mailcap', 'Loading mailcaps from {hilight $0}',
-	'load_mailcap_fail', 'Couldn\'t find {hilight $0}',
-	'message_partial_failure', 'message/partial: {hilight $0-}',
-	'mmsg_chattype', 'command was not designed for this chat type',
-	'mmsg_parameters', 'not enough parameters given',
-	'mmsg_file', 'File {hilight $0} not found',
-	'load_mime_magic', 'Loading MIME magic types from {hilight $0}',
-	'no_temp_dir', 'Directory {hilight $0} does not exist, defaulting to /tmp',
-	'mime_data_received', '{nick $0} sent "{hilight $1}" data message',
-	'mime_data_received_signed', '{nick $0} sent "{hilight $1}" data message (signature {flag_signed})',
-	'mime_data_received_unknown', '{nick $0} sent "{hilight $1}" data message (signature {flag_unknown})',
-	'mime_data_received_failed', '{nick $0} sent "{hilight $1}" data message (signature {flag_failed})',
-	'mime_data_send', 'sending "{hilight $0}" data message',
-	'mime_data_send_signed', 'sending "{hilight $0}" data message (signature {flag_signed})',
-	'mime_data_multi', 'sending "{hilight $0}" data message ($1 chunks)',
-	'mime_data_multi_signed', 'sending "{hilight $0}" data message ($1 chunks, signature {flag_signed})']);
-
-
-
-read_mime_database();