mirror of
https://github.com/NuSkooler/enigma-bbs.git
synced 2025-08-03 16:31:59 +02:00
Prepare exported ANSI messages by ensuring they are < 79 characters in length, using ESC[A ESC[<N>C to adjust long lines
This commit is contained in:
Bryan Ashby
parent
968a22c5eb
commit
d132f3932a
3 changed files with 221 additions and 108 deletions
|
|
@ -636,108 +636,144 @@ function Packet(options) {
|
|||
});
|
||||
};
|
||||
|
||||
this.getMessageEntryBuffer = function(message, options) {
|
||||
let basicHeader = new Buffer(34);
|
||||
this.getMessageEntryBuffer = function(message, options, cb) {
|
||||
|
||||
basicHeader.writeUInt16LE(FTN_PACKET_MESSAGE_TYPE, 0);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_orig_node, 2);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_dest_node, 4);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_orig_network, 6);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_dest_network, 8);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_attr_flags, 10);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_cost, 12);
|
||||
|
||||
const dateTimeBuffer = new Buffer(ftn.getDateTimeString(message.modTimestamp) + '\0');
|
||||
dateTimeBuffer.copy(basicHeader, 14);
|
||||
|
||||
// toUserName & fromUserName: up to 36 bytes in length, NULL term'd
|
||||
// :TODO: DRY...
|
||||
let toUserNameBuf = iconv.encode(message.toUserName + '\0', 'CP437').slice(0, 36);
|
||||
toUserNameBuf[toUserNameBuf.length - 1] = '\0'; // ensure it's null term'd
|
||||
|
||||
let fromUserNameBuf = iconv.encode(message.fromUserName + '\0', 'CP437').slice(0, 36);
|
||||
fromUserNameBuf[fromUserNameBuf.length - 1] = '\0'; // ensure it's null term'd
|
||||
|
||||
// subject: up to 72 bytes in length, NULL term'd
|
||||
let subjectBuf = iconv.encode(message.subject + '\0', 'CP437').slice(0, 72);
|
||||
subjectBuf[subjectBuf.length - 1] = '\0'; // ensure it's null term'd
|
||||
|
||||
//
|
||||
// message: unbound length, NULL term'd
|
||||
//
|
||||
// We need to build in various special lines - kludges, area,
|
||||
// seen-by, etc.
|
||||
//
|
||||
// :TODO: Put this in it's own method
|
||||
let msgBody = '';
|
||||
|
||||
function appendMeta(k, m) {
|
||||
function getAppendMeta(k, m) {
|
||||
let append = '';
|
||||
if(m) {
|
||||
let a = m;
|
||||
if(!_.isArray(a)) {
|
||||
a = [ a ];
|
||||
}
|
||||
a.forEach(v => {
|
||||
msgBody += `${k}: ${v}\r`;
|
||||
append += `${k}: ${v}\r`;
|
||||
});
|
||||
}
|
||||
return append;
|
||||
}
|
||||
|
||||
async.waterfall(
|
||||
[
|
||||
function prepareHeaderAndKludges(callback) {
|
||||
const basicHeader = new Buffer(34);
|
||||
|
||||
//
|
||||
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
|
||||
// AREA:CONFERENCE
|
||||
// Should be first line in a message
|
||||
//
|
||||
if(message.meta.FtnProperty.ftn_area) {
|
||||
msgBody += `AREA:${message.meta.FtnProperty.ftn_area}\r`; // note: no ^A (0x01)
|
||||
}
|
||||
|
||||
Object.keys(message.meta.FtnKludge).forEach(k => {
|
||||
// we want PATH to be last
|
||||
if('PATH' !== k) {
|
||||
appendMeta(`\x01${k}`, message.meta.FtnKludge[k]);
|
||||
basicHeader.writeUInt16LE(FTN_PACKET_MESSAGE_TYPE, 0);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_orig_node, 2);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_dest_node, 4);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_orig_network, 6);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_dest_network, 8);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_attr_flags, 10);
|
||||
basicHeader.writeUInt16LE(message.meta.FtnProperty.ftn_cost, 12);
|
||||
|
||||
const dateTimeBuffer = new Buffer(ftn.getDateTimeString(message.modTimestamp) + '\0');
|
||||
dateTimeBuffer.copy(basicHeader, 14);
|
||||
|
||||
// toUserName & fromUserName: up to 36 bytes in length, NULL term'd
|
||||
// :TODO: DRY...
|
||||
let toUserNameBuf = iconv.encode(message.toUserName + '\0', 'CP437').slice(0, 36);
|
||||
toUserNameBuf[toUserNameBuf.length - 1] = '\0'; // ensure it's null term'd
|
||||
|
||||
let fromUserNameBuf = iconv.encode(message.fromUserName + '\0', 'CP437').slice(0, 36);
|
||||
fromUserNameBuf[fromUserNameBuf.length - 1] = '\0'; // ensure it's null term'd
|
||||
|
||||
// subject: up to 72 bytes in length, NULL term'd
|
||||
let subjectBuf = iconv.encode(message.subject + '\0', 'CP437').slice(0, 72);
|
||||
subjectBuf[subjectBuf.length - 1] = '\0'; // ensure it's null term'd
|
||||
|
||||
//
|
||||
// message: unbound length, NULL term'd
|
||||
//
|
||||
// We need to build in various special lines - kludges, area,
|
||||
// seen-by, etc.
|
||||
//
|
||||
// :TODO: Put this in it's own method
|
||||
let msgBody = '';
|
||||
|
||||
//
|
||||
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
|
||||
// AREA:CONFERENCE
|
||||
// Should be first line in a message
|
||||
//
|
||||
if(message.meta.FtnProperty.ftn_area) {
|
||||
msgBody += `AREA:${message.meta.FtnProperty.ftn_area}\r`; // note: no ^A (0x01)
|
||||
}
|
||||
|
||||
Object.keys(message.meta.FtnKludge).forEach(k => {
|
||||
// we want PATH to be last
|
||||
if('PATH' !== k) {
|
||||
msgBody += getAppendMeta(`\x01${k}`, message.meta.FtnKludge[k]);
|
||||
}
|
||||
});
|
||||
|
||||
return callback(null, basicHeader, toUserNameBuf, fromUserNameBuf, subjectBuf, msgBody);
|
||||
},
|
||||
function prepareAnsiMessageBody(basicHeader, toUserNameBuf, fromUserNameBuf, subjectBuf, msgBody, callback) {
|
||||
if(!strUtil.isAnsi(message.message)) {
|
||||
return callback(null, basicHeader, toUserNameBuf, fromUserNameBuf, subjectBuf, msgBody, message.message);
|
||||
}
|
||||
|
||||
strUtil.prepAnsi(
|
||||
message.message,
|
||||
{
|
||||
cols : 80,
|
||||
rows : 'auto',
|
||||
preserveTextLines : true,
|
||||
forceLineTerm : true,
|
||||
exportMode : true,
|
||||
},
|
||||
(err, preppedMsg) => {
|
||||
return callback(null, basicHeader, toUserNameBuf, fromUserNameBuf, subjectBuf, msgBody, preppedMsg || message.message);
|
||||
}
|
||||
);
|
||||
},
|
||||
function addMessageBody(basicHeader, toUserNameBuf, fromUserNameBuf, subjectBuf, msgBody, preppedMsg, callback) {
|
||||
msgBody += preppedMsg + '\r';
|
||||
|
||||
//
|
||||
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
|
||||
// Tear line should be near the bottom of a message
|
||||
//
|
||||
if(message.meta.FtnProperty.ftn_tear_line) {
|
||||
msgBody += `${message.meta.FtnProperty.ftn_tear_line}\r`;
|
||||
}
|
||||
|
||||
//
|
||||
// Origin line should be near the bottom of a message
|
||||
//
|
||||
if(message.meta.FtnProperty.ftn_origin) {
|
||||
msgBody += `${message.meta.FtnProperty.ftn_origin}\r`;
|
||||
}
|
||||
|
||||
//
|
||||
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
|
||||
// SEEN-BY and PATH should be the last lines of a message
|
||||
//
|
||||
msgBody += getAppendMeta('SEEN-BY', message.meta.FtnProperty.ftn_seen_by); // note: no ^A (0x01)
|
||||
msgBody += getAppendMeta('\x01PATH', message.meta.FtnKludge['PATH']);
|
||||
|
||||
let msgBodyEncoded;
|
||||
try {
|
||||
msgBodyEncoded = iconv.encode(msgBody + '\0', options.encoding);
|
||||
} catch(e) {
|
||||
msgBodyEncoded = iconv.encode(msgBody + '\0', 'ascii');
|
||||
}
|
||||
|
||||
return callback(
|
||||
null,
|
||||
Buffer.concat( [
|
||||
basicHeader,
|
||||
toUserNameBuf,
|
||||
fromUserNameBuf,
|
||||
subjectBuf,
|
||||
msgBodyEncoded
|
||||
])
|
||||
);
|
||||
}
|
||||
],
|
||||
(err, msgEntryBuffer) => {
|
||||
return cb(err, msgEntryBuffer);
|
||||
}
|
||||
});
|
||||
|
||||
msgBody += message.message + '\r';
|
||||
|
||||
//
|
||||
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
|
||||
// Tear line should be near the bottom of a message
|
||||
//
|
||||
if(message.meta.FtnProperty.ftn_tear_line) {
|
||||
msgBody += `${message.meta.FtnProperty.ftn_tear_line}\r`;
|
||||
}
|
||||
|
||||
//
|
||||
// Origin line should be near the bottom of a message
|
||||
//
|
||||
if(message.meta.FtnProperty.ftn_origin) {
|
||||
msgBody += `${message.meta.FtnProperty.ftn_origin}\r`;
|
||||
}
|
||||
|
||||
//
|
||||
// FTN-0004.001 @ http://ftsc.org/docs/fts-0004.001
|
||||
// SEEN-BY and PATH should be the last lines of a message
|
||||
//
|
||||
appendMeta('SEEN-BY', message.meta.FtnProperty.ftn_seen_by); // note: no ^A (0x01)
|
||||
|
||||
appendMeta('\x01PATH', message.meta.FtnKludge['PATH']);
|
||||
|
||||
let msgBodyEncoded;
|
||||
try {
|
||||
msgBodyEncoded = iconv.encode(msgBody + '\0', options.encoding);
|
||||
} catch(e) {
|
||||
msgBodyEncoded = iconv.encode(msgBody + '\0', 'ascii');
|
||||
}
|
||||
|
||||
return Buffer.concat( [
|
||||
basicHeader,
|
||||
toUserNameBuf,
|
||||
fromUserNameBuf,
|
||||
subjectBuf,
|
||||
msgBodyEncoded
|
||||
]);
|
||||
);
|
||||
};
|
||||
|
||||
this.writeMessage = function(message, ws, options) {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue