732 lines
24 KiB
JavaScript
732 lines
24 KiB
JavaScript
/* jslint node: true */
|
|
'use strict';
|
|
|
|
// enigma-bbs
|
|
const MenuModule = require('./menu_module.js').MenuModule;
|
|
const Config = require('./config.js').get;
|
|
const stringFormat = require('./string_format.js');
|
|
const Errors = require('./enig_error.js').Errors;
|
|
const DownloadQueue = require('./download_queue.js');
|
|
const StatLog = require('./stat_log.js');
|
|
const FileEntry = require('./file_entry.js');
|
|
const Log = require('./logger.js').log;
|
|
const Events = require('./events.js');
|
|
const UserProps = require('./user_property.js');
|
|
const SysProps = require('./system_property.js');
|
|
|
|
// deps
|
|
const async = require('async');
|
|
const _ = require('lodash');
|
|
const pty = require('node-pty');
|
|
const temptmp = require('temptmp').createTrackedSession('transfer_file');
|
|
const paths = require('path');
|
|
const fs = require('graceful-fs');
|
|
const fse = require('fs-extra');
|
|
|
|
// some consts
|
|
const SYSTEM_EOL = require('os').EOL;
|
|
const TEMP_SUFFIX = 'enigtf-'; // temp CWD/etc.
|
|
|
|
/*
|
|
Notes
|
|
-----------------------------------------------------------------------------
|
|
|
|
See core/config.js for external protocol configuration
|
|
|
|
|
|
Resources
|
|
-----------------------------------------------------------------------------
|
|
|
|
ZModem
|
|
* http://gallium.inria.fr/~doligez/zmodem/zmodem.txt
|
|
* https://github.com/protomouse/synchronet/blob/master/src/sbbs3/zmodem.c
|
|
|
|
*/
|
|
|
|
exports.moduleInfo = {
|
|
name: 'Transfer file',
|
|
desc: 'Sends or receives a file(s)',
|
|
author: 'NuSkooler',
|
|
};
|
|
|
|
exports.getModule = class TransferFileModule extends MenuModule {
|
|
constructor(options) {
|
|
super(options);
|
|
|
|
this.config = this.menuConfig.config || {};
|
|
|
|
//
|
|
// Most options can be set via extraArgs or config block
|
|
//
|
|
const config = Config();
|
|
if (options.extraArgs) {
|
|
if (options.extraArgs.protocol) {
|
|
this.protocolConfig =
|
|
config.fileTransferProtocols[options.extraArgs.protocol];
|
|
}
|
|
|
|
if (options.extraArgs.direction) {
|
|
this.direction = options.extraArgs.direction;
|
|
}
|
|
|
|
if (options.extraArgs.sendQueue) {
|
|
this.sendQueue = options.extraArgs.sendQueue;
|
|
}
|
|
|
|
if (options.extraArgs.recvFileName) {
|
|
this.recvFileName = options.extraArgs.recvFileName;
|
|
}
|
|
|
|
if (options.extraArgs.recvDirectory) {
|
|
this.recvDirectory = options.extraArgs.recvDirectory;
|
|
}
|
|
} else {
|
|
if (this.config.protocol) {
|
|
this.protocolConfig = config.fileTransferProtocols[this.config.protocol];
|
|
}
|
|
|
|
if (this.config.direction) {
|
|
this.direction = this.config.direction;
|
|
}
|
|
|
|
if (this.config.sendQueue) {
|
|
this.sendQueue = this.config.sendQueue;
|
|
}
|
|
|
|
if (this.config.recvFileName) {
|
|
this.recvFileName = this.config.recvFileName;
|
|
}
|
|
|
|
if (this.config.recvDirectory) {
|
|
this.recvDirectory = this.config.recvDirectory;
|
|
}
|
|
}
|
|
|
|
this.protocolConfig =
|
|
this.protocolConfig || config.fileTransferProtocols.zmodem8kSz; // try for *something*
|
|
this.direction = this.direction || 'send';
|
|
this.sendQueue = this.sendQueue || [];
|
|
|
|
// Ensure sendQueue is an array of objects that contain at least a 'path' member
|
|
this.sendQueue = this.sendQueue.map(item => {
|
|
if (_.isString(item)) {
|
|
return { path: item };
|
|
} else {
|
|
return item;
|
|
}
|
|
});
|
|
|
|
this.sentFileIds = [];
|
|
}
|
|
|
|
isSending() {
|
|
return 'send' === this.direction;
|
|
}
|
|
|
|
restorePipeAfterExternalProc() {
|
|
if (!this.pipeRestored) {
|
|
this.pipeRestored = true;
|
|
|
|
this.client.restoreDataHandler();
|
|
}
|
|
}
|
|
|
|
sendFiles(cb) {
|
|
// assume *sending* can always batch
|
|
// :TODO: Look into this further
|
|
const allFiles = this.sendQueue.map(f => f.path);
|
|
this.executeExternalProtocolHandlerForSend(allFiles, err => {
|
|
if (err) {
|
|
this.client.log.warn(
|
|
{ files: allFiles, error: err.message },
|
|
'Error sending file(s)'
|
|
);
|
|
} else {
|
|
const sentFiles = [];
|
|
this.sendQueue.forEach(f => {
|
|
f.sent = true;
|
|
sentFiles.push(f.path);
|
|
});
|
|
|
|
this.client.log.info(
|
|
{ sentFiles: sentFiles },
|
|
`User "${this.client.user.username}" downloaded ${sentFiles.length} file(s)`
|
|
);
|
|
}
|
|
return cb(err);
|
|
});
|
|
}
|
|
|
|
/*
|
|
sendFiles(cb) {
|
|
// :TODO: built in/native protocol support
|
|
|
|
if(this.protocolConfig.external.supportsBatch) {
|
|
const allFiles = this.sendQueue.map(f => f.path);
|
|
this.executeExternalProtocolHandlerForSend(allFiles, err => {
|
|
if(err) {
|
|
this.client.log.warn( { files : allFiles, error : err.message }, 'Error sending file(s)' );
|
|
} else {
|
|
const sentFiles = [];
|
|
this.sendQueue.forEach(f => {
|
|
f.sent = true;
|
|
sentFiles.push(f.path);
|
|
|
|
});
|
|
|
|
this.client.log.info( { sentFiles : sentFiles }, `Successfully sent ${sentFiles.length} file(s)` );
|
|
}
|
|
return cb(err);
|
|
});
|
|
} else {
|
|
// :TODO: we need to prompt between entries such that users can prepare their clients
|
|
async.eachSeries(this.sendQueue, (queueItem, next) => {
|
|
this.executeExternalProtocolHandlerForSend(queueItem.path, err => {
|
|
if(err) {
|
|
this.client.log.warn( { file : queueItem.path, error : err.message }, 'Error sending file' );
|
|
} else {
|
|
queueItem.sent = true;
|
|
|
|
this.client.log.info( { sentFile : queueItem.path }, 'Successfully sent file' );
|
|
}
|
|
return next(err);
|
|
});
|
|
}, err => {
|
|
return cb(err);
|
|
});
|
|
}
|
|
}
|
|
*/
|
|
|
|
moveFileWithCollisionHandling(src, dst, cb) {
|
|
//
|
|
// Move |src| -> |dst| renaming to file(1).ext, file(2).ext, etc.
|
|
// in the case of collisions.
|
|
//
|
|
const dstPath = paths.dirname(dst);
|
|
const dstFileExt = paths.extname(dst);
|
|
const dstFileSuffix = paths.basename(dst, dstFileExt);
|
|
|
|
let renameIndex = 0;
|
|
let movedOk = false;
|
|
let tryDstPath;
|
|
|
|
async.until(
|
|
callback => callback(null, movedOk), // until moved OK
|
|
cb => {
|
|
if (0 === renameIndex) {
|
|
// try originally supplied path first
|
|
tryDstPath = dst;
|
|
} else {
|
|
tryDstPath = paths.join(
|
|
dstPath,
|
|
`${dstFileSuffix}(${renameIndex})${dstFileExt}`
|
|
);
|
|
}
|
|
|
|
fse.move(src, tryDstPath, err => {
|
|
if (err) {
|
|
if ('EEXIST' === err.code) {
|
|
renameIndex += 1;
|
|
return cb(null); // keep trying
|
|
}
|
|
|
|
return cb(err);
|
|
}
|
|
|
|
movedOk = true;
|
|
return cb(null, tryDstPath);
|
|
});
|
|
},
|
|
(err, finalPath) => {
|
|
return cb(err, finalPath);
|
|
}
|
|
);
|
|
}
|
|
|
|
recvFiles(cb) {
|
|
this.executeExternalProtocolHandlerForRecv(err => {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
this.recvFilePaths = [];
|
|
|
|
if (this.recvFileName) {
|
|
//
|
|
// file name specified - we expect a single file in |this.recvDirectory|
|
|
// by the name of |this.recvFileName|
|
|
//
|
|
const recvFullPath = paths.join(this.recvDirectory, this.recvFileName);
|
|
fs.stat(recvFullPath, (err, stats) => {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
if (!stats.isFile()) {
|
|
return cb(
|
|
Errors.Invalid('Expected file entry in recv directory')
|
|
);
|
|
}
|
|
|
|
this.recvFilePaths.push(recvFullPath);
|
|
return cb(null);
|
|
});
|
|
} else {
|
|
//
|
|
// Blind Upload (recv): files in |this.recvDirectory| should be named appropriately already
|
|
//
|
|
fs.readdir(this.recvDirectory, (err, files) => {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
// stat each to grab files only
|
|
async.each(
|
|
files,
|
|
(fileName, nextFile) => {
|
|
const recvFullPath = paths.join(this.recvDirectory, fileName);
|
|
|
|
fs.stat(recvFullPath, (err, stats) => {
|
|
if (err) {
|
|
this.client.log.warn('Failed to stat file', {
|
|
path: recvFullPath,
|
|
});
|
|
return nextFile(null); // just try the next one
|
|
}
|
|
|
|
if (stats.isFile()) {
|
|
this.recvFilePaths.push(recvFullPath);
|
|
}
|
|
|
|
return nextFile(null);
|
|
});
|
|
},
|
|
() => {
|
|
return cb(null);
|
|
}
|
|
);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
pathWithTerminatingSeparator(path) {
|
|
if (path && paths.sep !== path.charAt(path.length - 1)) {
|
|
path = path + paths.sep;
|
|
}
|
|
return path;
|
|
}
|
|
|
|
prepAndBuildSendArgs(filePaths, cb) {
|
|
const externalArgs = this.protocolConfig.external['sendArgs'];
|
|
|
|
async.waterfall(
|
|
[
|
|
function getTempFileListPath(callback) {
|
|
const hasFileList = externalArgs.find(
|
|
ea => ea.indexOf('{fileListPath}') > -1
|
|
);
|
|
if (!hasFileList) {
|
|
return callback(null, null);
|
|
}
|
|
|
|
temptmp.open(
|
|
{ prefix: TEMP_SUFFIX, suffix: '.txt' },
|
|
(err, tempFileInfo) => {
|
|
if (err) {
|
|
return callback(err); // failed to create it
|
|
}
|
|
|
|
fs.write(tempFileInfo.fd, filePaths.join(SYSTEM_EOL), err => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
fs.close(tempFileInfo.fd, err => {
|
|
return callback(err, tempFileInfo.path);
|
|
});
|
|
});
|
|
}
|
|
);
|
|
},
|
|
function createArgs(tempFileListPath, callback) {
|
|
// initial args: ignore {filePaths} as we must break that into it's own sep array items
|
|
const args = externalArgs.map(arg => {
|
|
return '{filePaths}' === arg
|
|
? arg
|
|
: stringFormat(arg, {
|
|
fileListPath: tempFileListPath || '',
|
|
});
|
|
});
|
|
|
|
const filePathsPos = args.indexOf('{filePaths}');
|
|
if (filePathsPos > -1) {
|
|
// replace {filePaths} with 0:n individual entries in |args|
|
|
args.splice.apply(args, [filePathsPos, 1].concat(filePaths));
|
|
}
|
|
|
|
return callback(null, args);
|
|
},
|
|
],
|
|
(err, args) => {
|
|
return cb(err, args);
|
|
}
|
|
);
|
|
}
|
|
|
|
prepAndBuildRecvArgs(cb) {
|
|
const argsKey = this.recvFileName ? 'recvArgsNonBatch' : 'recvArgs';
|
|
const externalArgs = this.protocolConfig.external[argsKey];
|
|
const args = externalArgs.map(arg =>
|
|
stringFormat(arg, {
|
|
uploadDir: this.recvDirectory,
|
|
fileName: this.recvFileName || '',
|
|
})
|
|
);
|
|
|
|
return cb(null, args);
|
|
}
|
|
|
|
executeExternalProtocolHandler(args, cb) {
|
|
const external = this.protocolConfig.external;
|
|
const cmd = external[`${this.direction}Cmd`];
|
|
|
|
// support for handlers that need IACs taken care of over Telnet/etc.
|
|
const processIACs = external.processIACs || external.escapeTelnet; // deprecated name
|
|
|
|
// :TODO: we should only do this when over Telnet (or derived, such as WebSockets)?
|
|
|
|
const IAC = Buffer.from([255]);
|
|
const EscapedIAC = Buffer.from([255, 255]);
|
|
|
|
this.client.log.debug(
|
|
{
|
|
cmd: cmd,
|
|
args: args,
|
|
tempDir: this.recvDirectory,
|
|
direction: this.direction,
|
|
},
|
|
'Executing external protocol'
|
|
);
|
|
|
|
const spawnOpts = {
|
|
cols: this.client.term.termWidth,
|
|
rows: this.client.term.termHeight,
|
|
cwd: this.recvDirectory,
|
|
encoding: null, // don't bork our data!
|
|
};
|
|
|
|
const externalProc = pty.spawn(cmd, args, spawnOpts);
|
|
|
|
let dataHits = 0;
|
|
const updateActivity = () => {
|
|
if (0 === dataHits++ % 4) {
|
|
this.client.explicitActivityTimeUpdate();
|
|
}
|
|
};
|
|
|
|
this.client.setTemporaryDirectDataHandler(data => {
|
|
updateActivity();
|
|
|
|
// needed for things like sz/rz
|
|
if (processIACs) {
|
|
let iacPos = data.indexOf(EscapedIAC);
|
|
if (-1 === iacPos) {
|
|
return externalProc.write(data);
|
|
}
|
|
|
|
// at least one double (escaped) IAC
|
|
let lastPos = 0;
|
|
while (iacPos > -1) {
|
|
let rem = iacPos - lastPos;
|
|
if (rem >= 0) {
|
|
externalProc.write(data.slice(lastPos, iacPos + 1));
|
|
}
|
|
lastPos = iacPos + 2;
|
|
iacPos = data.indexOf(EscapedIAC, lastPos);
|
|
}
|
|
|
|
if (lastPos < data.length) {
|
|
externalProc.write(data.slice(lastPos));
|
|
}
|
|
// const tmp = data.toString('binary').replace(/\xff{2}/g, '\xff'); // de-escape
|
|
// externalProc.write(Buffer.from(tmp, 'binary'));
|
|
} else {
|
|
externalProc.write(data);
|
|
}
|
|
});
|
|
|
|
externalProc.onData(data => {
|
|
updateActivity();
|
|
|
|
// needed for things like sz/rz
|
|
if (processIACs) {
|
|
let iacPos = data.indexOf(IAC);
|
|
if (-1 === iacPos) {
|
|
return this.client.term.rawWrite(data);
|
|
}
|
|
|
|
// Has at least a single IAC
|
|
let lastPos = 0;
|
|
while (iacPos !== -1) {
|
|
if (iacPos - lastPos > 0) {
|
|
this.client.term.rawWrite(data.slice(lastPos, iacPos));
|
|
}
|
|
this.client.term.rawWrite(EscapedIAC);
|
|
lastPos = iacPos + 1;
|
|
iacPos = data.indexOf(IAC, lastPos);
|
|
}
|
|
|
|
if (lastPos < data.length) {
|
|
this.client.term.rawWrite(data.slice(lastPos));
|
|
}
|
|
} else {
|
|
this.client.term.rawWrite(data);
|
|
}
|
|
});
|
|
|
|
externalProc.once('close', () => {
|
|
return this.restorePipeAfterExternalProc();
|
|
});
|
|
|
|
externalProc.onExit(exitCode => {
|
|
this.client.log.debug(
|
|
{ cmd: cmd, args: args, exitCode: exitCode },
|
|
'Process exited'
|
|
);
|
|
|
|
this.restorePipeAfterExternalProc();
|
|
externalProc.removeAllListeners();
|
|
|
|
return cb(
|
|
exitCode
|
|
? Errors.ExternalProcess(
|
|
`Process exited with exit code ${exitCode}`,
|
|
'EBADEXIT'
|
|
)
|
|
: null
|
|
);
|
|
});
|
|
}
|
|
|
|
executeExternalProtocolHandlerForSend(filePaths, cb) {
|
|
if (!Array.isArray(filePaths)) {
|
|
filePaths = [filePaths];
|
|
}
|
|
|
|
this.prepAndBuildSendArgs(filePaths, (err, args) => {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
this.executeExternalProtocolHandler(args, err => {
|
|
return cb(err);
|
|
});
|
|
});
|
|
}
|
|
|
|
executeExternalProtocolHandlerForRecv(cb) {
|
|
this.prepAndBuildRecvArgs((err, args) => {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
this.executeExternalProtocolHandler(args, err => {
|
|
return cb(err);
|
|
});
|
|
});
|
|
}
|
|
|
|
getMenuResult() {
|
|
if (this.isSending()) {
|
|
return { sentFileIds: this.sentFileIds };
|
|
} else {
|
|
return { recvFilePaths: this.recvFilePaths };
|
|
}
|
|
}
|
|
|
|
updateSendStats(cb) {
|
|
let downloadBytes = 0;
|
|
let downloadCount = 0;
|
|
let fileIds = [];
|
|
|
|
async.each(
|
|
this.sendQueue,
|
|
(queueItem, next) => {
|
|
if (!queueItem.sent) {
|
|
return next(null);
|
|
}
|
|
|
|
if (queueItem.fileId) {
|
|
fileIds.push(queueItem.fileId);
|
|
}
|
|
|
|
if (_.isNumber(queueItem.byteSize)) {
|
|
downloadCount += 1;
|
|
downloadBytes += queueItem.byteSize;
|
|
return next(null);
|
|
}
|
|
|
|
// we just have a path - figure it out
|
|
fs.stat(queueItem.path, (err, stats) => {
|
|
if (err) {
|
|
this.client.log.warn(
|
|
{ error: err.message, path: queueItem.path },
|
|
'File stat failed'
|
|
);
|
|
} else {
|
|
downloadCount += 1;
|
|
downloadBytes += stats.size;
|
|
}
|
|
|
|
return next(null);
|
|
});
|
|
},
|
|
() => {
|
|
// All stats/meta currently updated via fire & forget - if this is ever a issue, we can wait for callbacks
|
|
StatLog.incrementUserStat(
|
|
this.client.user,
|
|
UserProps.FileDlTotalCount,
|
|
downloadCount
|
|
);
|
|
StatLog.incrementUserStat(
|
|
this.client.user,
|
|
UserProps.FileDlTotalBytes,
|
|
downloadBytes
|
|
);
|
|
|
|
StatLog.incrementSystemStat(SysProps.FileDlTotalCount, downloadCount);
|
|
StatLog.incrementSystemStat(SysProps.FileDlTotalBytes, downloadBytes);
|
|
|
|
fileIds.forEach(fileId => {
|
|
FileEntry.incrementAndPersistMetaValue(fileId, 'dl_count', 1);
|
|
});
|
|
|
|
return cb(null);
|
|
}
|
|
);
|
|
}
|
|
|
|
updateRecvStats(cb) {
|
|
let uploadBytes = 0;
|
|
let uploadCount = 0;
|
|
|
|
async.each(
|
|
this.recvFilePaths,
|
|
(filePath, next) => {
|
|
// we just have a path - figure it out
|
|
fs.stat(filePath, (err, stats) => {
|
|
if (err) {
|
|
this.client.log.warn(
|
|
{ error: err.message, path: filePath },
|
|
'File stat failed'
|
|
);
|
|
} else {
|
|
uploadCount += 1;
|
|
uploadBytes += stats.size;
|
|
}
|
|
|
|
return next(null);
|
|
});
|
|
},
|
|
() => {
|
|
StatLog.incrementUserStat(
|
|
this.client.user,
|
|
UserProps.FileUlTotalCount,
|
|
uploadCount
|
|
);
|
|
StatLog.incrementUserStat(
|
|
this.client.user,
|
|
UserProps.FileUlTotalBytes,
|
|
uploadBytes
|
|
);
|
|
|
|
StatLog.incrementSystemStat(SysProps.FileUlTotalCount, uploadCount);
|
|
StatLog.incrementSystemStat(SysProps.FileUlTotalBytes, uploadBytes);
|
|
|
|
return cb(null);
|
|
}
|
|
);
|
|
}
|
|
|
|
initSequence() {
|
|
const self = this;
|
|
|
|
// :TODO: break this up to send|recv
|
|
|
|
async.series(
|
|
[
|
|
function validateConfig(callback) {
|
|
if (self.isSending()) {
|
|
if (!Array.isArray(self.sendQueue)) {
|
|
self.sendQueue = [self.sendQueue];
|
|
}
|
|
}
|
|
|
|
return callback(null);
|
|
},
|
|
function transferFiles(callback) {
|
|
if (self.isSending()) {
|
|
self.sendFiles(err => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
const sentFileIds = [];
|
|
self.sendQueue.forEach(queueItem => {
|
|
if (queueItem.sent && queueItem.fileId) {
|
|
sentFileIds.push(queueItem.fileId);
|
|
}
|
|
});
|
|
|
|
if (sentFileIds.length > 0) {
|
|
// remove items we sent from the D/L queue
|
|
const dlQueue = new DownloadQueue(self.client);
|
|
const dlFileEntries = dlQueue.removeItems(sentFileIds);
|
|
|
|
// fire event for downloaded entries
|
|
Events.emit(Events.getSystemEvents().UserDownload, {
|
|
user: self.client.user,
|
|
files: dlFileEntries,
|
|
});
|
|
|
|
self.sentFileIds = sentFileIds;
|
|
}
|
|
|
|
return callback(null);
|
|
});
|
|
} else {
|
|
self.recvFiles(err => {
|
|
return callback(err);
|
|
});
|
|
}
|
|
},
|
|
function cleanupTempFiles(callback) {
|
|
temptmp.cleanup(paths => {
|
|
Log.debug(
|
|
{ paths: paths, sessionId: temptmp.sessionId },
|
|
'Temporary files cleaned up'
|
|
);
|
|
});
|
|
|
|
return callback(null);
|
|
},
|
|
function updateUserAndSystemStats(callback) {
|
|
if (self.isSending()) {
|
|
return self.updateSendStats(callback);
|
|
} else {
|
|
return self.updateRecvStats(callback);
|
|
}
|
|
},
|
|
],
|
|
err => {
|
|
if (err) {
|
|
self.client.log.warn({ error: err.message }, 'File transfer error');
|
|
}
|
|
|
|
return self.prevMenu();
|
|
}
|
|
);
|
|
}
|
|
};
|