PolyUserServ.js
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var fs = require('fs');
var async = require('async');
var Client = require('ssh2').Client;
var creds = require('../../config/sshAuth');
var NodeCache = require("node-cache");
var cache = new NodeCache({
stdTTL: 24 * 60 * 60
});
var PolyUserServ = {};
PolyUserServ.readPasswd = function (login, cb) {
passwdF = 'config/passwd';
fs.readFile(passwdF, function (err, file) {
if (err) {
cb(err);
} else {
lines = file.toString('utf8').split('\n');
async.detect(lines, function (line, cba) {
ex = line.split(':');
cba(ex[0] == login);
}, function (res) {
if (res) {
ex = res.split(':');
cb(null, {
'username': ex[0],
'password': ex[1],
'UID': ex[2],
'GID': ex[3],
'GECOS': ex[4],
'home': ex[5],
'shell': ex[6]
});
} else {
cb(null, null);
}
});
}
});
};
PolyUserServ.readGroup = function (gid, cb) {
groupF = 'config/group';
fs.readFile(groupF, function (err, file) {
if (err) {
cb(err);
} else {
lines = file.toString('utf8').split('\n');
async.detect(lines, function (line, cba) {
ex = line.split(':');
cba(ex[2] == gid);
}, function (res) {
if (res) {
ex = res.split(':');
cb(null, {
'name': ex[0],
'password': ex[1],
'GID': ex[2],
'list': ex[3]
});
} else {
cb(null, null);
}
});
}
});
};
PolyUserServ.grabInfos = function (login, cb) {
async.waterfall([
function (cba) {
PolyUserServ.readPasswd(login, cba);
},
function (passwd, cba) {
if (passwd && passwd.GID) {
PolyUserServ.readGroup(passwd.GID, function (err, group) {
cba(err, passwd, group);
});
} else {
cba(null, passwd, null);
}
}
], function (err, passwd, group) {
if (err) {
cb(err);
} else {
cb(null, {
nom: (passwd && passwd.GECOS) ? passwd.GECOS : login.toUpperCase(),
section: (group && group.name) ? group.name.toUpperCase() : ((passwd && passwd.GID) ? passwd.GID : 'Inconnu')
});
}
});
};
PolyUserServ.add = function (login, cb) {
PolyUserServ.grabInfos(login, function (err, data) {
if (err) {
cb(err);
} else {
cb(null, data);
cache.set(login, data);
}
});
};
PolyUserServ.get = function (login, cb) {
cache.get(login, function (err, data) {
if (err) {
cb(err);
} else {
if (data) {
cb(null, data);
} else {
PolyUserServ.add(login, cb);
}
}
});
};
PolyUserServ.verify = function (login, pass, cb) {
var conn = new Client();
conn.on('ready', function () {
cb(null, true);
}).on('error', function (err) {
if (err.level === 'client-authentication') {
cb(null, false);
} else {
cb(err);
}
}).connect({
host: creds.host,
port: creds.port,
username: login,
password: pass
});
};
module.exports = PolyUserServ;