PolyUserServ.js
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var LineTransform = require('node-line-reader').LineTransform;
var fs = require('fs');
var Client = require('ssh2').Client;
var creds = require('../../config/sshAuth');
var NodeCache = require("node-cache");
var cache = new NodeCache();
var PolyUserServ = {};
PolyUserServ.readPasswd = function (login, cb) {
passwdF = 'config/passwd';
fs.exists(passwdF, function (exists) {
found = false;
if (exists) {
stream = fs.createReadStream(passwdF);
transform = new LineTransform();
stream.pipe(transform);
transform.on('data', function (line) {
ex = line.split(':');
if (ex[0] == login) { // Si trouvé
stream.close();
cb({
'username': ex[0],
'password': ex[1],
'UID': ex[2],
'GID': ex[3],
'GECOS': ex[4],
'home': ex[5],
'shell': ex[6]
});
found = true;
}
});
transform.on('end', function () {
if (!found) {
cb(false);
}
});
} else {
cb(undefined);
}
});
};
PolyUserServ.readGroup = function (gid, cb) {
groupF = 'config/group';
fs.exists(groupF, function (exists) {
found = false;
if (exists) {
stream = fs.createReadStream(groupF);
transform = new LineTransform();
stream.pipe(transform);
transform.on('data', function (line) {
ex = line.split(':');
if (ex[2] == gid) { // Si trouvé
stream.close();
cb({
'name': ex[0],
'password': ex[1],
'GID': ex[2],
'list': ex[3]
});
found = true;
}
});
transform.on('end', function () {
if (!found) {
cb(false);
}
});
} else {
cb(undefined);
}
});
};
PolyUserServ.grabInfos = function (login, cb) {
PolyUserServ.readPasswd(login, function (passwd) {
if (passwd) {
PolyUserServ.readGroup(passwd.GID, function (group) {
if (group) {
cb({
nom: passwd.GECOS,
section: group.name.toUpperCase()
});
} else {
if (group === undefined) {
console.error("Impossible d'ouvrir le fichier des groupes.");
} else {
console.error("Impossible d'obtenir le groupe de " + passwd.GID + ".");
}
cb({
nom: passwd.GECOS,
section: passwd.GID
});
}
});
} else {
if (passwd === undefined) {
console.error("Impossible d'ouvrir le fichier des noms.");
} else {
console.error("Impossible d'obtenir le nom de " + login + ".");
}
if (!login) {
login = 'Inconnu';
}
cb({
nom: login.toUpperCase(),
section: 'Inconnue'
});
}
});
};
PolyUserServ.add = function (login, cb) {
PolyUserServ.grabInfos(login, function (data) {
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[login] === undefined) {
PolyUserServ.add(login, cb);
} else {
cb(null, data[login]);
}
}
});
};
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;