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Copy pathviewer.js
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5152 lines (4544 loc) · 158 KB
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/******************************************************************************/
/* viewer.js -- The main moloch app
*
* Copyright 2012-2016 AOL Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this Software except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
var MIN_DB_VERSION = 27;
//// Modules
//////////////////////////////////////////////////////////////////////////////////
try {
var Config = require('./config.js'),
express = require('express'),
stylus = require('stylus'),
util = require('util'),
fs = require('fs-ext'),
async = require('async'),
url = require('url'),
dns = require('dns'),
Pcap = require('./pcap.js'),
sprintf = require('./public/sprintf.js'),
Db = require('./db.js'),
os = require('os'),
zlib = require('zlib'),
molochparser = require('./molochparser.js'),
passport = require('passport'),
DigestStrategy = require('passport-http').DigestStrategy,
HTTPParser = process.binding('http_parser').HTTPParser,
molochversion = require('./version'),
http = require('http'),
jade = require('jade'),
https = require('https'),
EventEmitter = require('events').EventEmitter,
decode = require('./decode.js'),
KAA = require('keep-alive-agent');
} catch (e) {
console.log ("ERROR - Couldn't load some dependancies, maybe need to 'npm update' inside viewer directory", e);
process.exit(1);
throw new Error("Exiting");
}
try {
var Png = require('png').Png;
} catch (e) {console.log("WARNING - No png support, maybe need to 'npm update'", e);}
if (typeof express !== "function") {
console.log("ERROR - Need to run 'npm update' in viewer directory");
process.exit(1);
throw new Error("Exiting");
}
var app = express();
//////////////////////////////////////////////////////////////////////////////////
//// Config
//////////////////////////////////////////////////////////////////////////////////
var internals = {
elasticBase: Config.get("elasticsearch", "http://localhost:9200").split(","),
userNameHeader: Config.get("userNameHeader"),
httpAgent: new KAA({maxSockets: 40}),
httpsAgent: new KAA.Secure({maxSockets: 40}),
previousNodeStats: [],
caTrustCerts: {},
cronRunning: false,
rightClicks: {},
pluginEmitter: new EventEmitter(),
writers: {},
//http://garethrees.org/2007/11/14/pngcrush/
emptyPNG: new Buffer("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg==", 'base64'),
PNG_LINE_WIDTH: 256,
};
if (internals.elasticBase[0].lastIndexOf('http', 0) !== 0) {
internals.elasticBase[0] = "http://" + internals.elasticBase[0];
}
function userCleanup(suser) {
suser.settings = suser.settings || {};
if (suser.emailSearch === undefined) {suser.emailSearch = false;}
if (suser.removeEnabled === undefined) {suser.removeEnabled = false;}
if (Config.get("multiES", false)) {suser.createEnabled = false;}
}
passport.use(new DigestStrategy({qop: 'auth', realm: Config.get("httpRealm", "Moloch")},
function(userid, done) {
Db.getUserCache(userid, function(err, suser) {
if (err && !suser) {return done(err);}
if (!suser || !suser.found) {console.log("User", userid, "doesn't exist"); return done(null, false);}
if (!suser._source.enabled) {console.log("User", userid, "not enabled"); return done("Not enabled");}
userCleanup(suser._source);
return done(null, suser._source, {ha1: Config.store2ha1(suser._source.passStore)});
});
},
function (options, done) {
//TODO: Should check nonce here
return done(null, true);
}
));
// app.configure
var logger = require("morgan");
var favicon = require("serve-favicon");
var bodyParser = require('body-parser');
var multer = require('multer');
var methodOverride = require('method-override');
var compression = require('compression');
app.enable("jsonp callback");
app.set('views', __dirname + '/views');
app.set('view engine', 'jade');
app.locals.molochversion = molochversion.version;
app.locals.isIndex = false;
app.locals.basePath = Config.basePath();
app.locals.elasticBase = internals.elasticBase[0];
app.locals.allowUploads = Config.get("uploadCommand") !== undefined;
app.locals.molochClusters = Config.configMap("moloch-clusters");
app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(passport.initialize());
app.use(function(req, res, next) {
if (res.setTimeout) {
res.setTimeout(10 * 60 * 1000); // Increase default from 2 min to 10 min
}
req.url = req.url.replace(Config.basePath(), "/");
return next();
});
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
//app.use(multer({dest: Config.get("pcapDir")}));
// send req to access log file or stdout
var _stream = process.stdout;
var _accesslogfile = Config.get("accessLogFile");
if (_accesslogfile) {
_stream = fs.createWriteStream(_accesslogfile, {flags: 'a'});
}
app.use(logger(':date :username \x1b[1m:method\x1b[0m \x1b[33m:url\x1b[0m :status :res[content-length] bytes :response-time ms',{stream: _stream}));
app.use(compression());
app.use(methodOverride());
app.use("/", express.static(__dirname + '/public', { maxAge: 600 * 1000}));
if (Config.get("passwordSecret")) {
app.locals.alwaysShowESStatus = false;
app.use(function(req, res, next) {
// 200 for NS
if (req.url === "/_ns_/nstest.html") {
return res.end();
}
// No auth for stats.json, dstats.json, esstats.json, eshealth.json
if (req.url.match(/^\/([e]*[ds]*stats|eshealth).json/)) {
return next();
}
// S2S Auth
if (req.headers['x-moloch-auth']) {
var obj = Config.auth2obj(req.headers['x-moloch-auth']);
obj.path = obj.path.replace(Config.basePath(), "/");
if (obj.path !== req.url) {
console.log("ERROR - mismatch url", obj.path, req.url);
return res.send("Unauthorized based on bad url, check logs on ", os.hostname());
}
if (Math.abs(Date.now() - obj.date) > 120000) { // Request has to be +- 2 minutes
console.log("ERROR - Denying server to server based on timestamp, are clocks out of sync?", Date.now(), obj.date);
return res.send("Unauthorized based on timestamp - check that all moloch viewer machines have accurate clocks");
}
if (req.url.match(/^\/receiveSession/)) {
return next();
}
Db.getUserCache(obj.user, function(err, suser) {
if (err) {return res.send("ERROR - user: " + obj.user + " err:" + err);}
if (!suser || !suser.found) {return res.send(obj.user + " doesn't exist");}
if (!suser._source.enabled) {return res.send(obj.user + " not enabled");}
userCleanup(suser._source);
req.user = suser._source;
return next();
});
return;
}
// Header auth
if (internals.userNameHeader !== undefined && req.headers[internals.userNameHeader] !== undefined) {
var userName = req.headers[internals.userNameHeader];
Db.getUserCache(userName, function(err, suser) {
if (err) {return res.send("ERROR - " + err);}
if (!suser || !suser.found) {return res.send(userName + " doesn't exist");}
if (!suser._source.enabled) {return res.send(userName + " not enabled");}
if (!suser._source.headerAuthEnabled) {return res.send(userName + " header auth not enabled");}
userCleanup(suser._source);
req.user = suser._source;
return next();
});
return;
}
// Browser auth
req.url = req.url.replace("/", Config.basePath());
passport.authenticate('digest', {session: false})(req, res, function (err) {
req.url = req.url.replace(Config.basePath(), "/");
if (err) {
res.send(JSON.stringify({success: false, text: err}));
return;
} else {
return next();
}
});
});
} else {
/* Shared password isn't set, who cares about auth, db is only used for settings */
app.locals.alwaysShowESStatus = true;
app.use(function(req, res, next) {
req.user = {userId: "anonymous", enabled: true, createEnabled: Config.get("regressionTests", false), webEnabled: true, headerAuthEnabled: false, emailSearch: true, removeEnabled: true, settings: {}};
Db.getUserCache("anonymous", function(err, suser) {
if (!err && suser && suser.found) {
req.user.settings = suser._source.settings;
req.user.views = suser._source.views;
}
next();
});
});
}
app.use(function(req, res, next) {
if (!req.user || !req.user.userId) {
return next();
}
var mrc = {};
for (var key in internals.rightClicks) {
var rc = internals.rightClicks[key];
if (!rc.users || rc.users[req.user.userId]) {
mrc[key] = rc;
}
}
app.locals.molochRightClick = mrc;
next();
});
logger.token('username', function(req, res){ return req.user?req.user.userId:"-"; });
function loadFields() {
Db.loadFields(function (data) {
Config.loadFields(data);
app.locals.fieldsMap = JSON.stringify(Config.getFieldsMap());
app.locals.fieldsArr = Config.getFields().sort(function(a,b) {return (a.exp > b.exp?1:-1);});
});
}
function loadPlugins() {
var api = {
registerWriter: function(str, info) {
internals.writers[str] = info;
},
getDb: function() { return Db; },
getPcap: function() { return Pcap; },
};
var plugins = Config.get("viewerPlugins", "").split(";");
var dirs = Config.get("pluginsDir", "/data/moloch/plugins").split(";");
plugins.forEach(function (plugin) {
plugin = plugin.trim();
if (plugin === "") {
return;
}
var found = false;
dirs.forEach(function (dir) {
dir = dir.trim();
if (found || dir === "") {
return;
}
if (fs.existsSync(dir + "/" + plugin)) {
found = true;
var p = require(dir + "/" + plugin);
p.init(Config, internals.pluginEmitter, api);
}
});
if (!found) {
console.log("WARNING - Couldn't find plugin", plugin, "in", dirs);
}
});
}
//////////////////////////////////////////////////////////////////////////////////
//// Utility
//////////////////////////////////////////////////////////////////////////////////
function isEmptyObject(object) { for(var i in object) { return false; } return true; }
function safeStr(str) {
return str.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>').replace(/\"/g,'"').replace(/\'/g, ''').replace(/\//g, '/');
}
function twoDigitString(value) {
return (value < 10) ? ("0" + value) : value.toString();
}
var FMEnum = Object.freeze({other: 0, ip: 1, tags: 2, hh: 3});
function fmenum(field) {
var fieldsMap = Config.getFieldsMap();
if (field.match(/^(a1|a2|xff|dnsip|eip|socksip)$/) !== null ||
fieldsMap[field] && fieldsMap[field].type === "ip") {
return FMEnum.ip;
} else if (field.match(/^(ta)$/) !== null) {
return FMEnum.tags;
} else if (field.match(/^(hh1|hh2)$/) !== null) {
return FMEnum.hh;
}
return FMEnum.other;
}
function errorString(err, result) {
var str;
if (err && typeof err === "string") {
str = err;
} else if (err && typeof err.message === "string") {
str = err.message;
} else if (result && result.error) {
str = result.error;
} else {
str = "Unknown issue, check logs";
console.log(err, result);
}
if (str.match("IndexMissingException")) {
return "Moloch's Elasticsearch database has no matching session indices for timeframe selected";
} else {
return "Elasticsearch error: " + str;
}
}
// http://stackoverflow.com/a/10934946
function dot2value(obj, str) {
return str.split(".").reduce(function(o, x) { return o[x]; }, obj);
}
function createSessionDetail() {
var found = {};
var dirs;
dirs = Config.get("pluginsDir", "/data/moloch/plugins");
if (dirs) {
dirs.split(';').forEach(function(dir) {
try {
var files = fs.readdirSync(dir);
files.forEach(function(file) {
if (file.match(/\.detail\.jade$/i) && !found["plugin-" + file]) {
found[file] = " include " + dir + "/" + file + "\n";
}
});
} catch (e) {}
});
}
dirs = Config.get("parsersDir", "/data/moloch/parsers");
if (dirs) {
dirs.split(';').forEach(function(dir) {
try {
var files = fs.readdirSync(dir);
files.forEach(function(file) {
if (file.match(/\.detail\.jade$/i) && !found["parser-" + file]) {
found[file] = " include " + dir + "/" + file + "\n";
}
});
} catch (e) {}
});
}
var makers = internals.pluginEmitter.listeners("makeSessionDetail");
async.each(makers, function(cb, nextCb) {
cb(function (err, items) {
for (var k in items) {
found[k] = items[k].replace(/^/mg, " ") + "\n";
}
return nextCb();
});
}, function () {
internals.sessionDetail = "include views/mixins\n" +
"div.sessionDetail(sessionid='#{session.id}')\n" +
" include views/sessionDetail-standard\n";
Object.keys(found).sort().forEach(function(k) {
internals.sessionDetail += found[k];
});
internals.sessionDetail += " include views/sessionDetail-body\n";
internals.sessionDetail += "include views/sessionDetail-footer\n";
});
}
function createRightClicks() {
var mrc = Config.configMap("right-click");
for (var key in mrc) {
if (mrc[key].fields) {
mrc[key].fields = mrc[key].fields.split(",");
}
if (mrc[key].users) {
var users = {};
mrc[key].users.split(",").forEach(function(item) {
users[item] = 1;
});
mrc[key].users = users;
}
}
var makers = internals.pluginEmitter.listeners("makeRightClick");
async.each(makers, function(cb, nextCb) {
cb(function (err, items) {
for (var k in items) {
mrc[k] = items[k];
if (mrc[k].fields && !Array.isArray(mrc[k].fields)) {
mrc[k].fields = mrc[k].fields.split(",");
}
}
return nextCb();
});
}, function () {
internals.rightClicks = mrc;
});
}
//https://coderwall.com/p/pq0usg/javascript-string-split-that-ll-return-the-remainder
function splitRemain(str, separator, limit) {
str = str.split(separator);
if(str.length <= limit) {return str;}
var ret = str.splice(0, limit);
ret.push(str.join(separator));
return ret;
}
function arrayZeroFill(n) {
var a = [];
while (n > 0) {
a.push(0);
n--;
}
return a;
}
//////////////////////////////////////////////////////////////////////////////////
//// Requests
//////////////////////////////////////////////////////////////////////////////////
function addAuth(info, user, node, secret) {
if (!info.headers) {
info.headers = {};
}
info.headers['x-moloch-auth'] = Config.obj2auth({date: Date.now(),
user: user.userId,
node: node,
path: info.path
}, secret);
}
function addCaTrust(info, node) {
if (!Config.isHTTPS(node)) {
return;
}
if ((internals.caTrustCerts[node] !== undefined) && (internals.caTrustCerts[node].length > 0)) {
info.ca = internals.caTrustCerts[node];
info.agent.options.ca = internals.caTrustCerts[node];
return;
}
var caTrustFile = Config.getFull(node, "caTrustFile");
if (caTrustFile && caTrustFile.length > 0) {
var caTrustFileLines = fs.readFileSync(caTrustFile, 'utf8');
caTrustFileLines = caTrustFileLines.split("\n");
var foundCert = [],
line;
internals.caTrustCerts[node] = [];
for (var i = 0, ilen = caTrustFileLines.length; i < ilen; i++) {
line = caTrustFileLines[i];
if (line.length === 0) {
continue;
}
foundCert.push(line);
if (line.match(/-END CERTIFICATE-/)) {
internals.caTrustCerts[node].push(foundCert.join("\n"));
foundCert = [];
}
}
if (internals.caTrustCerts[node].length > 0) {
info.ca = internals.caTrustCerts[node];
info.agent.options.ca = internals.caTrustCerts[node];
return;
}
}
}
function noCache(req, res, ct) {
res.header('Cache-Control', 'no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0');
if (ct) {
res.setHeader("Content-Type", ct);
}
}
function getViewUrl(node, cb) {
if (Array.isArray(node)) {
node = node[0];
}
var url = Config.getFull(node, "viewUrl");
if (url) {
cb(null, url, url.slice(0, 5) === "https"?https:http);
return;
}
Db.molochNodeStatsCache(node, function(err, stat) {
if (err) {
return cb(err);
}
if (Config.isHTTPS(node)) {
cb(null, "https://" + stat.hostname + ":" + Config.getFull(node, "viewPort", "8005"), https);
} else {
cb(null, "http://" + stat.hostname + ":" + Config.getFull(node, "viewPort", "8005"), http);
}
});
}
function proxyRequest (req, res, errCb) {
noCache(req, res);
getViewUrl(req.params.nodeName, function(err, viewUrl, client) {
if (err) {
if (errCb) {
return errCb(err);
}
console.log("ERROR - ", err);
res.send("Can't find view url for '" + req.params.nodeName + "' check viewer logs on " + os.hostname());
}
var info = url.parse(viewUrl);
info.path = req.url;
info.agent = (client === http?internals.httpAgent:internals.httpsAgent);
info.rejectUnauthorized = true;
addAuth(info, req.user, req.params.nodeName);
addCaTrust(info, req.params.nodeName);
var preq = client.request(info, function(pres) {
if (pres.headers['content-type']) {
res.setHeader('content-type', pres.headers['content-type']);
}
pres.on('data', function (chunk) {
res.write(chunk);
});
pres.on('end', function () {
res.end();
});
});
preq.on('error', function (e) {
if (errCb) {
return errCb(e);
}
console.log("ERROR - Couldn't proxy request=", info, "\nerror=", e);
res.send("Error talking to node '" + req.params.nodeName + "' using host '" + info.host + "' check viewer logs on " + os.hostname());
});
preq.end();
});
}
function isLocalView (node, yesCb, noCb) {
var pcapWriteMethod = Config.getFull(node, "pcapWriteMethod");
var writer = internals.writers[pcapWriteMethod];
if (writer && writer.localNode === false) {
return yesCb();
}
return Db.isLocalView(node, yesCb, noCb);
}
//////////////////////////////////////////////////////////////////////////////////
//// Middleware
//////////////////////////////////////////////////////////////////////////////////
function checkProxyRequest(req, res, next) {
isLocalView(req.params.nodeName, function () {
return next();
},
function () {
return proxyRequest(req, res);
});
}
function checkToken(req, res, next) {
if (!req.body.token) {
return res.send(JSON.stringify({success: false, text: "Missing token"}));
}
req.token = Config.auth2obj(req.body.token);
var diff = Math.abs(Date.now() - req.token.date);
if (diff > 2400000 || req.token.pid !== process.pid || req.token.userId !== req.user.userId) {
console.trace("bad token", req.token);
return res.send(JSON.stringify({success: false, text: "Timeout - Please try reloading page and repeating the action"}));
}
// Shorter token timeout if editing someone elses info
if (req.token.suserId && req.token.userId !== req.user.userId && diff > 600000) {
console.trace("admin bad token", req.token);
return res.send(JSON.stringify({success: false, text: "Admin Timeout - Please try reloading page and repeating the action"}));
}
return next();
}
function checkWebEnabled(req, res, next) {
if (!req.user.webEnabled) {
return res.send("Moloch Permision Denied");
}
return next();
}
//////////////////////////////////////////////////////////////////////////////////
//// Pages
//////////////////////////////////////////////////////////////////////////////////
function makeTitle(req, page) {
var title = Config.get("titleTemplate", "_cluster_ - _page_ _-view_ _-expression_");
title = title.replace(/_cluster_/g, internals.clusterName)
.replace(/_page_/g, page)
.replace(/_userId_/g, req.user?req.user.userId:"-")
.replace(/_userName_/g, req.user?req.user.userName:"-")
;
return title;
}
app.get("/", checkWebEnabled, function(req, res) {
var settings = decode.settings();
var decodeItems = {};
for (var key in settings) {
var setting = settings[key];
var obj = {name: setting.name || key};
if (setting.title || setting.fields) {
obj.items = {};
if (setting.title) {
obj.items.title = {name: setting.title, disabled: true};
}
obj.items[key + ":enabled"] = {name: "Enable", type: "checkbox"};
setting.fields.forEach(function(field) {
obj.items[key + ":" + field.key] = {name: field.name || field.key, type: field.type};
});
decodeItems[key] = obj;
} else {
obj.type = "checkbox";
decodeItems[key+":enabled"] = obj;
}
}
res.render('index', {
user: req.user,
title: makeTitle(req, 'Sessions'),
titleLink: 'sessionsLink',
isIndex: true,
decodeItems: JSON.stringify(decodeItems)
});
});
app.get("/spiview", checkWebEnabled, function(req, res) {
res.render('spiview', {
user: req.user,
title: makeTitle(req, 'SPI View'),
titleLink: 'spiLink',
isIndex: true,
reqFields: Config.headers("headers-http-request"),
resFields: Config.headers("headers-http-response"),
emailFields: Config.headers("headers-email"),
categories: Config.getCategories(),
token: Config.obj2auth({date: Date.now(), pid: process.pid, userId: req.user.userId, suserId: req.user.userId})
});
});
app.get("/spigraph", checkWebEnabled, function(req, res) {
res.render('spigraph', {
user: req.user,
title: makeTitle(req, 'SPI Graph'),
titleLink: 'spigraphLink',
isIndex: true
});
});
app.get("/connections", checkWebEnabled, function(req, res) {
res.render('connections', {
user: req.user,
title: makeTitle(req, 'Connections'),
titleLink: 'connectionsLink',
isIndex: true
});
});
app.get("/upload", checkWebEnabled, function(req, res) {
res.render('upload', {
user: req.user,
title: makeTitle(req, 'Upload'),
titleLink: 'uploadLink',
isIndex: false
});
});
app.get('/about', checkWebEnabled, function(req, res) {
res.render('about', {
user: req.user,
title: makeTitle(req, 'About'),
titleLink: 'aboutLink'
});
});
app.get('/files', checkWebEnabled, function(req, res) {
res.render('files', {
user: req.user,
title: makeTitle(req, 'Files'),
titleLink: 'filesLink'
});
});
app.get('/users', checkWebEnabled, function(req, res) {
res.render('users', {
user: req.user,
title: makeTitle(req, 'Users'),
titleLink: 'usersLink',
token: Config.obj2auth({date: Date.now(), pid: process.pid, userId: req.user.userId})
});
});
app.get('/settings', checkWebEnabled, function(req, res) {
var actions = [{name: "Tag", value: "tag"}];
var molochClusters = Config.configMap("moloch-clusters");
if (molochClusters) {
Object.keys(molochClusters).forEach( function (cluster) {
actions.push({name: "Tag & Export to " + molochClusters[cluster].name, value: "forward:" + cluster});
});
}
function render(user, cp) {
if (user.settings === undefined) {user.settings = {};}
Db.search("queries", "query", {size:1000, query: {term: {creator: user.userId}}}, function (err, data) {
if (data && data.hits && data.hits.hits) {
user.queries = {};
data.hits.hits.forEach(function(item) {
user.queries[item._id] = item._source;
});
}
actions = actions.sort();
res.render('settings', {
user: req.user,
suser: user,
currentPassword: cp,
token: Config.obj2auth({date: Date.now(), pid: process.pid, userId: req.user.userId, suserId: user.userId, cp:cp}),
title: makeTitle(req, 'Settings'),
titleLink: 'settingsLink',
actions: actions
});
});
}
if (Config.get("disableChangePassword", false)) {
return res.send("Disabled");
}
if (req.query.userId) {
if (!req.user.createEnabled && req.query.userId !== req.user.userId) {
return res.send("Moloch Permision Denied");
}
Db.getUser(req.query.userId, function(err, user) {
if (err || !user.found) {
console.log("ERROR - /password error", err, user);
return res.send("Unknown user");
}
render(user._source, 0);
});
} else {
render(req.user, 1);
}
});
app.get('/stats', checkWebEnabled, function(req, res) {
var query = {size: 100};
Db.search('stats', 'stat', query, function(err, data) {
var hits = data.hits.hits;
var nodes = [];
hits.forEach(function(hit) {
nodes.push(hit._id);
});
nodes.sort();
res.render('stats', {
user: req.user,
title: makeTitle(req, 'Stats'),
titleLink: 'statsLink',
nodes: nodes
});
});
});
app.get('/:nodeName/statsDetail', checkWebEnabled, function(req, res) {
res.render('statsDetail', {
user: req.user,
nodeName: req.params.nodeName
});
});
fs.unlink("./public/style.css", function () {}); // Remove old style.css file
app.get('/style.css', function(req, res) {
fs.readFile("./views/style.styl", 'utf8', function(err, str) {
if (err) {return console.log("ERROR - ", err);}
var style = stylus(str);
style.render(function(err, css){
if (err) {return console.log("ERROR - ", err);}
var date = new Date().toUTCString();
res.setHeader('Content-Type', 'text/css');
res.setHeader('Date', date);
res.setHeader('Cache-Control', 'public, max-age=600');
res.setHeader('Last-Modified', date);
res.send(css);
});
});
});
//////////////////////////////////////////////////////////////////////////////////
//// EXPIRING
//////////////////////////////////////////////////////////////////////////////////
// Search for all files on a set of nodes in a set of directories.
// If less then size items are returned we don't delete anything.
// Doesn't support mounting sub directories in main directory, don't do it.
function expireDevice (nodes, dirs, minFreeSpaceG, nextCb) {
var query = { _source: [ 'num', 'name', 'first', 'size', 'node' ],
from: '0',
size: 200,
query: { bool: {
must: [
{terms: {node: nodes}},
{ bool: {should: []}}
],
must_not: { term: {locked: 1}}
}},
sort: { first: { order: 'asc' } } };
Object.keys(dirs).forEach( function (pcapDir) {
var obj = {wildcard: {}};
if (pcapDir[pcapDir.length - 1] === "/") {
obj.wildcard.name = pcapDir + "*";
} else {
obj.wildcard.name = pcapDir + "/*";
}
query.query.bool.must[1].bool.should.push(obj);
});
// Keep at least 10 files
Db.search('files', 'file', query, function(err, data) {
if (err || data.error || !data.hits || data.hits.total <= 10) {
return nextCb();
}
async.forEachSeries(data.hits.hits, function(item, forNextCb) {
if (data.hits.total <= 10) {
return forNextCb("DONE");
}
var fields = item._source || item.fields;
var freeG;
try {
var stat = fs.statVFS(fields.name);
freeG = stat.f_frsize/1024.0*stat.f_bavail/(1024.0*1024.0);
} catch (e) {
console.log("ERROR", e);
// File doesn't exist, delete it
freeG = minFreeSpaceG - 1;
}
if (freeG < minFreeSpaceG) {
data.hits.total--;
console.log("Deleting", item);
return Db.deleteFile(fields.node, item._id, fields.name, forNextCb);
} else {
return forNextCb("DONE");
}
}, function () {
return nextCb();
});
});
}
function expireCheckDevice (nodes, stat, nextCb) {
var doit = false;
var minFreeSpaceG = 0;
async.forEach(nodes, function(node, cb) {
var freeSpaceG = Config.getFull(node, "freeSpaceG", "5%");
if (freeSpaceG[freeSpaceG.length-1] === "%") {
freeSpaceG = (+freeSpaceG.substr(0,freeSpaceG.length-1)) * 0.01 * stat.f_frsize/1024.0*stat.f_blocks/(1024.0*1024.0);
}
var freeG = stat.f_frsize/1024.0*stat.f_bavail/(1024.0*1024.0);
if (freeG < freeSpaceG) {
doit = true;
}
if (freeSpaceG > minFreeSpaceG) {
minFreeSpaceG = freeSpaceG;
}
cb();
}, function () {
if (doit) {
expireDevice(nodes, stat.dirs, minFreeSpaceG, nextCb);
} else {
return nextCb();
}
});
}
function expireCheckAll () {
var devToStat = {};
// Find all the nodes running on this host
Db.hostnameToNodeids(os.hostname(), function(nodes) {
// Find all the pcap dirs for local nodes
async.map(nodes, function (node, cb) {
var pcapDirs = Config.getFull(node, "pcapDir");
if (typeof pcapDirs !== "string") {
return cb("ERROR - couldn't find pcapDir setting for node: " + node + "\nIf you have it set try running:\nnpm remove iniparser; npm cache clean; npm update iniparser");
}
// Create a mapping from device id to stat information and all directories on that device
pcapDirs.split(";").forEach(function (pcapDir) {
if (!pcapDir) {
return; // Skip empty elements. Prevents errors when pcapDir has a trailing or double ;
}
pcapDir = pcapDir.trim();
var fileStat = fs.statSync(pcapDir);
var vfsStat = fs.statVFS(pcapDir);
if (!devToStat[fileStat.dev]) {
vfsStat.dirs = {};
vfsStat.dirs[pcapDir] = {};
devToStat[fileStat.dev] = vfsStat;
} else {
devToStat[fileStat.dev].dirs[pcapDir] = {};
}
});
cb(null);
},
function (err) {
// Now gow through all the local devices and check them
var keys = Object.keys(devToStat);
async.forEachSeries(keys, function (key, cb) {
expireCheckDevice(nodes, devToStat[key], cb);
}, function (err) {
});
});
});
}
//////////////////////////////////////////////////////////////////////////////////
//// Sessions Query
//////////////////////////////////////////////////////////////////////////////////
function addSortToQuery(query, info, d, missing) {
function addSortDefault() {
if (d) {
if (!query.sort) {
query.sort = [];
}
var obj = {};
obj[d] = {order: "asc"};
if (missing && missing[d] !== undefined) {
obj[d].missing = missing[d];
}
query.sort.push(obj);
}
}
if (!info) {
addSortDefault();
return;
}
// New Method
if (info.order) {
if (info.order.length === 0) {
addSortDefault();
return;
}
if (!query.sort) {
query.sort = [];
}