ProjetMJCEditor/server/Server.js

var Response = require("./Response");
var R= Response;
var E = require("./Errors");

var fs = require("fs");
var UserManager = require("./users");


var AUTH_USER="auth_user"
var AUTH_PASSWORD="auth_password"
var USER = "user";
var PASSWORD = "password";
var PROJECT = "project";
var DATA = "data";
var RESOURCE = "res";

function send(res, err, data, log)
{
  if(err!=0)
  {
    var stack = new Error().stack;
    console.log(stack);
  }
  if(log != undefined)
  {
    console.log(log);
  }
  Response.writeResponse(res, err, data)
}

function sendSuccess(res, data)
{
   return send(res, E.SUCCESS, data);
}

function getQueryParam(req, param)
{
  if (req.method == "POST") {
    return req.body[param];
  }
  else
  {
    return req.query[param];
  }
}

module.exports = class Server {
  constructor()
  {
      this.users=new UserManager();
  }

  /*
  ** Utils
  */
  getUserQuery(req, res)
  {
    var name = getQueryParam(req, AUTH_USER);
    if(typeof name != 'string' || name.length<1 )
      return send(res, E.AUTH_FAILED, AUTH_USER);

    var user = this.users.getUser(name);
    if(user==null) return null;
    return user;
  }

  getUser(req, res)
  {
    var name = req.params[USER];
    if(typeof name != 'string' || name.length<1 )
      return send(res, E.EINVAL, USER);

    var user = this.users.getUser(name);
    if(user==null) return null;
    return user;
  }

  getProject(req, res)
  {
      var user = this.getUser(req);
      if(user.code != undefined) return user;

      var pro = req.params[PROJECT];
      if(typeof pro != 'string' || pro.length<1 )
        return send(res, E.EINVAL, PROJECT);

      var projet = user.getProject(pro);
      if(!E.check(projet))
        return send(res, projet, pro);

      return projet;
  }

  getResource(req, res)
  {
      var projet = this.getProject(req, res);
      if(projet.code != undefined) return user;

      var pro = req.params[RESOURCE];
      if(typeof pro != 'string' || pro.length<1 )
        return send(res, E.EINVAL, RESOURCE);

      var ress = projet.getResource(req.params[USER], req.params[PROJECT], pro);
      if(!E.check(ress))
        return send(res, ress, pro);

      return ress;
  }

  authentification(req, res)
  {
    return E.SUCCESS;
    var password = getQueryParam(req, AUTH_PASSWORD);
    var urlUser = this.getUserQuery(req, res);

    if(urlUser.password==password) return E.SUCCESS;
    return send(res, E.AUTH_FAILED, "Login ou mot de passe incorrect");
  }



  /*
  ** Users
  */
  serveUser(req, res)
  {
    //if(this.authentification(req, res)==null) return null;
    var user = this.getUser(req, res);
    if(user==null) return;
    return sendSuccess(res, user);
  }

  listUsers(req, res)
  {
    //if(this.authentification(req, res)==null) return null;
    sendSuccess(res, this.users.getUserList());
  }

  createUser(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var u = getQueryParam(req, USER);
    var p =getQueryParam(req, PASSWORD);

    if(u==undefined) return send(res, E.BAD_USER, USER);
    if(p==undefined) return send(res, E.EINVAL, PASSWORD);

    var ret = this.users.createUser(u, p);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, E.USER_EXISTS, u);
  }

  renameUser(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var oldName = req.params[USER];
    var newName = getQueryParam(req, "newName");

    var ret = this.users.renameUser(oldName, newName);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret, newName);
  }

  removeUser(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var name = req.params[USER];
    var ret = this.users.removeUser(name);

    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret, name);
  }


  /*
  POST: { user: "ptitcois", password:"xxxx", data: { [contenu] }}
  */
  editUser(req, res)
  {
    if(this.authentification(req)==null) return null;
    var name = req.params[USER];
    var data = getQueryParam(req, DATA);


    if(name==undefined) return send(res, E.EINVAL, USER);
    if(data==undefined) return send(res, E.EINVAL, DATA);

    var ret = this.users.editUser(name, data);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret);
  }












  /*
  ** Projects
  */
  serveProject(req, res)
  {
    //if(this.authentification(req, res)==null) return null;
    var project = this.getProject(req, res);
    if(project==null) return;
    return sendSuccess(res, project);
  }

  listProjects(req, res)
  {
    //if(this.authentification(req, res)==null) return null;
    var user = this.getUser(req, res);
    if(user==null) return;
    sendSuccess(res, user.projects);
  }

  createProject(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var user = this.getUser(req, res);
    if(user==null) return;

    var proName = getQueryParam(req, PROJECT);
    if(proName==undefined) return send(res, E.BAD_USER, PROJECT);

    var ret = user.createProject(proName);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, E.PROJECT_EXISTS, u);
  }

  renameProject(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var user = this.getUser(req, res);
    if(user==null) return;

    var oldName = req.params[PROJECT];
    var newName = getQueryParam(req, "newName");

    var ret = user.renameProject(oldName, newName);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret, newName);
  }

  removeProject(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var user = this.getUser(req, res);
    if(user==null) return;

    var name = req.params[PROJECT];
    var ret = user.removeProject(name);

    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret, name);
  }


  /*
  POST: { user: "ptitcois", password:"xxxx", data: { [contenu] }}
  */
  editProject(req, res)
  {
    if(this.authentification(req)==null) return null;
    var user = this.getUser(req, res);
    if(user==null) return;

    var name = req.params[PROJECT];
    var data = getQueryParam(req, DATA);


    if(name==undefined) return send(res, E.EINVAL, PROJECT);
    if(data==undefined) return send(res, E.EINVAL, DATA);

    var ret = user.editProject(name, data);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret);
  }






  //
  //  Resources
  //
  serveResource(req, res)
  {
    //if(this.authentification(req, res)==null) return null;
    var r = this.getResource(req, res);
    if(r==null) return;
    return sendSuccess(r, project);
  }

  listResources(req, res)
  {
    //if(this.authentification(req, res)==null) return null;
    var pro = this.getProject(req, res);
    if(pro==null) return;
    sendSuccess(res, user.resources);
  }

  createResource(req, res)
  {
    console.log("A");
    if(this.authentification(req, res)==null) return null;
    var pro = this.getProject(req, res);
    if(pro==null) return;

      console.log("B");
    var resName = getQueryParam(req, RESOURCE);

      console.log("C");
    if(resName==undefined) return send(res, E.BAD_USER, RESOURCE);

      console.log("D");
    var ret = pro.createResource(req.params[USER], req.params[PROJECT], resName);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, E.PROJECT_EXISTS, resName);
  }

  renameResource(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var pro = this.getProject(req, res);
    if(pro==null) return;

    var oldName = req.params[RESOURCE];
    var newName = getQueryParam(req, "newName");

    var ret = pro.renameResource(req.params[USER], req.params[PROJECT], oldName, newName);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret, newName);
  }

  removeResource(req, res)
  {
    if(this.authentification(req, res)==null) return null;
    var pro = this.getProject(req, res);
    if(pro==null) return;

    var name = req.params[RESOURCE];
    var ret = pro.removeResource(req.params[USER], req.params[PROJECT], name);
    console.log("string : "+JSON.stringify(ret));
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret, name);
  }


  /*
  POST: { user: "ptitcois", password:"xxxx", data: { [contenu] }}
  */
  editRescource(req, res)
  {
    console.log("ICIIIIIIIIIIIIIIII")
    if(this.authentification(req, res)==null) return null;
    var pro = this.getProject(req, res);
    if(pro==null) return;

    var name = req.params[RESOURCE];
    var data = getQueryParam(req, DATA);
    console.log(JSON.stringify(req.body))

    if(name==undefined) return send(res, E.EINVAL, RESOURCE);
    if(data==undefined) return send(res, E.EINVAL, DATA, "Parametre 'data' no présent");

    var ret = pro.editResource(req.params[USER], req.params[PROJECT], name, data);
    if(E.check(ret)) return  sendSuccess(res);
    return send(res, ret);
  }

}