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index.js
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index.js
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var express = require("express");
var app = express();
var bodyParser = require("body-parser");
var mongoose= require('mongoose');
var logger = require('morgan');
var jwt = require('jsonwebtoken');
var config= require('./config');
app.use(logger('dev'));
Mongodb=require('./model/mongo');
app.use(bodyParser.json());
app.set('superSecret',config.secret);
//route without any authentication
app.get("/",function(req,res){
res.send("Hello World");
});
//login available for everyone
app.post('/auth',function(req,res){
var name= req.body.name;
Mongodb.getUserByName(name,function(err,user){
if(err){
throw err
}
if(!user){
res.json({success:false,message:'Authentication failed. User not found'});
}
else if(user && req.body.password!=null){
if(user.userPassword != req.body.password){
res.json({success:false,message:'Authentication failed. Wrong password'});
}
else{
var token=jwt.sign(user,app.get('superSecret'),{
expiresIn :1440 //expires in 24 hours
});
res.json({
success:true,
token:token
});
}
}else{
res.json({success:false,message:"Something went wrong"});
}
});
});
//From this point onward it requires authorized token to access further API
app.use(function(req,res,next){
var token=req.body.token || req.query.token || req.headers['x-access-token'] ;
if(token){
jwt.verify(token,app.get('superSecret'),function(err,decoded){
if(err){
return res.json({success:false,message:"Failed to Authenticate"});
}else{
req.decoded=decoded['_doc'];
app.set('userObj',req.decoded);
console.log(JSON.stringify(app.get('userObj')));
// res.json(jwt.decode(token, {complete: true}));
//res.send({success:true,message:JSON.stringify(req.decoded)});
next();
}
});
}else{
return res.status(403).send({
success:false,
message:"No token was provided"
});
}
});
app.get("/company",function(req,res){
Mongodb.getCompanies(function(err,companies){
if(err){
throw err;
}
res.json(companies);
});
});
//Checking for level of authorization. Only Analyst and Admin will have access from this point
app.use(function(req,res,next){
var user=app.get('userObj');
if(user.authenticationLevel.toLowerCase()=="admin" || user.authenticationLevel.toLowerCase()=="analyst"){
next();
}else{
res.json({
success:false,
message:"Access Denied"
});
}
});
app.get("/company/:rankCategory/:topRank",function(req,res){
var rankCategory=req.params.rankCategory;
var topRank=req.params.topRank;
Mongodb.getCompaniesByRank(rankCategory,topRank,function(err,companies){
if(err){
throw err;
}
res.json(companies);
});
});
//Again checking for level of authorization. Normal user and Analyst have access till this point
app.use(function(req,res,next){
var user=app.get('userObj');
if(user.authenticationLevel.toLowerCase()=="admin"){
next();
}else{
res.json({
success:false,
message:"Access Denied"
});
}
});
app.get("/users",function (req,res) {
Mongodb.getUsers(function(err,users){
if(err){
throw err;
}
res.json(users);
});
});
app.get("/users/:_id",function(req,res){
Mongodb.findById(req.params._id,function(err,user){
if(err){
throw err;
}
res.json(user);
});
});
app.post("/users",function(req,res){
var user=req.body;
Mongodb.addUser(user,function(err,user){
if(err){
throw err;
}
res.json(user);
});
});
//Update User
app.put("/users/:_id",function(req,res){
var user=req.body;
var id=req.params._id;
Mongodb.updateUser(id,user,{},function(err,user){
if(err){
throw err;
}
res.json(user);
});
});
app.delete("/users/:_id",function(req,res){
var id=req.params._id;
Mongodb.deleteUser(id,function(err,user){
if(err){
throw err;
}
res.json(user);
});
});
app.post("/company",function(req,res){
var company=req.body;
Mongodb.addCompany(company,function(err,company){
if(err){
throw err;
}
res.json(company);
});
});
//updateCompany
app.put("/company/:_id",function(req,res){
var company=req.body;
var id=req.params._id;
Mongodb.updateCompany(id,company,{},function(err,company){
if(err){
throw err;
}
res.json(company);
});
});
app.delete("/company/:_id",function(req,res){
var id=req.params._id;
Mongodb.deleteCompany(id,function(err,company){
if(err){
throw err;
}
res.json(company);
});
});
app.listen(3000);
console.log("Listening to PORT 3000");