Update the gateway for nearly final progress

app/gateway_conf.yml

@@ -1,5 +1,5 @@
 services:
-    main-services:
+    firstService:
         port: 3422
         base_url: http://localhost
         endpoints:
@@ -9,14 +9,25 @@ services:
                 - /testing
             put:
                 - /user/*/*/fdf
-                - /item/:query/:query
+                - /item/*/*
             delete:
                 - /user/
                 - /item/
             post: 
                 - /user/create
                 - /item/create
-        enable_auth: false
+        secret_key: mainServiceIsRestrictedOnly
-        ip_blacklist:
+    secondService:
-            - "103.77.77.91"
+        port: 3400
-            - "103.77.78.111"
+        base_url: http://localhost
+        endpoints:
+            get:
+                - /hello
+                - /user/*
+            put:
+                - /user/hello
+            delete:
+                - /user/delete/*
+            post: 
+                - /user/create
+        secret_key: mainServiceIsRestrictedOnly

app/server.js

@@ -1,14 +1,12 @@
 const express = require('express')
 const cors = require('cors')
-const helmet = require('helmet')
 const morgan = require('morgan')
 const bodyParser =require('body-parser')
 const {PORT} = require('./utils/configs/config')
-const { openDatabaseConnection, mongoose } = require('./utils/database')
+const { openDatabaseConnection } = require('./utils/database')
 const midlleware = require('./src/middlewares/gateway_middleware')
 
 const app = express()
-app.use(helmet())
 app.use(cors())
 app.use(morgan('dev'))
 app.use(bodyParser.json())

app/src/core/index.js

@@ -1,11 +1,13 @@
-const mongoose = require('mongoose')
 const { forwardRequest } = require('./request_forwarding')
-const { logModel } = require('../data/models/index')(mongoose)
+const { logModel } = require('../data/models/index')
 const { resolveRequest } = require('./request_resolver')(logModel)
 const { resolveResponse } = require('./response_resolver')
+const { register, getAllUsers } = require('./management')
 
 module.exports = {
     forwardRequest,
     resolveRequest,
-    resolveResponse
+    resolveResponse,
+    register,
+     getAllUsers
 }

app/src/core/management.js

@@ -0,0 +1,49 @@
+const { userModel } = require('../data/models/index')
+const { SECRET_KEY, SALT_ROUND } = require('../../utils/configs/config')
+const bcrypt = require('bcrypt')
+const crypto = require('crypto')
+
+function __hashAnything(key) {
+    return new Promise((resolve, reject) => {
+        bcrypt.genSalt(SALT_ROUND, (err, salt) => {
+            if ( err ) { reject(err) }
+            bcrypt.hash(key, salt, (err, hash) => {
+                if ( err ) { reject(err) }
+                resolve(hash)
+            })
+        })
+    })
+}
+
+function register(data) {
+    return new Promise((resolve, reject) => {
+        var passwordTmp = data.password
+        __hashAnything(passwordTmp)
+        .then(hashedPassword => {
+            data.password = hashedPassword
+            __hashAnything(hashedPassword)
+            .then(hashedBasicAuth => {
+                let user = new userModel({
+                    username: data.username,
+                    password: data.password,
+                    basic_auth: hashedBasicAuth
+                })
+                userModel.insertNewUser(user)
+                .then(result => { resolve(result) })
+                .catch(err => { reject(err) })
+            })
+            .catch(err => { reject(err) })
+        })
+        .catch(err => { reject(err) })
+    })
+}
+
+function getAllUsers() {
+    return new Promise((resolve, reject) => {
+        userModel.getAll()
+        .then(docs => { resolve(docs) })
+        .catch(err => { reject(err) })
+    })
+}
+
+module.exports = { register, getAllUsers }

app/src/core/request_forwarding.js

@@ -1,21 +1,34 @@
 const axios = require('axios').default
+const { SECRET_KEY } = require('../../utils/configs/config')
+const jwt = require('jsonwebtoken')
+
+function __generateGatewaySignature(serviceSecretKey, callback) {
+    jwt.sign({
+        gateway: 'ORION_GATEWAY',
+        gateway_secret: SECRET_KEY
+    }, serviceSecretKey, callback)
+}
 
 function forwardRequest(request, service) {
     return new Promise((resolve, reject) => {
         const method = request.method.toLowerCase()
+        __generateGatewaySignature(service.secret_key, (err, token) => {
+            if ( err ) { reject(err) } // If token sign got error
             if ( method === 'get' ) {
                 axios({
                     method: method,
                     baseURL: service.base_url + ':' + service.port,
                     url: request.path,
-                responseType: 'json'
+                    responseType: 'json',
+                    headers: {
+                        gateway_signature: token ,
+                        authorization: request.authorization
+                    }
                 })
                 .then(response => {
-                resolve(response)
+                    resolve(response.data) 
-            })
-            .catch(err => {
-                reject(err)
                 })
+                .catch(err => { reject(err) })
             } else {
                 axios({
                     method: method,
@@ -23,18 +36,17 @@ function forwardRequest(request, service) {
                     url: request.path,
                     responseType: 'json',
                     data: request.body,
-                params: request.params
+                    params: request.params,
-            })
+                    headers: { 
-            .then(response => {
+                        gateway_signature: token,
-                resolve(response)
+                        authorization: request.authorization
-            })
+                    }
-            .catch(err => {
-                reject(err)
                 })
+                .then(response => { resolve(response) })
+                .catch(err => { reject(err) })
             }
         })
+    })
 }
 
-module.exports = {
+module.exports = { forwardRequest }
-    forwardRequest
-}

app/src/core/request_resolver.js

@@ -1,7 +1,45 @@
-const {validateAPIKey, grabRequest} = require('../helpers/index') // Helpers
+const { userModel } = require('../data/models/index')
 const fs = require('fs')
 const yaml = require('yaml')
 
+function __validateConsumerBasicAuth(userKey, userModel) {
+    return new Promise((resolve, reject) => {
+        userModel.findByBasicToken(userKey)
+        .then(result => {
+            if ( result ) {
+                resolve()
+            } else {
+                reject('Your key isn\'t valid')
+            }
+        })
+        .catch(_ => {
+            reject('Couldn\'t process the request at the moment')
+        })
+    })
+}
+
+function __grabRequest(req) {
+    const ipAddress = (req.headers['x-forwarded-for'] || '').split(',').pop() || 
+    req.connection.remoteAddress || 
+    req.socket.remoteAddress || 
+    req.connection.socket.remoteAddress
+    const apiSignatureKey = req.headers['basic_auth'] || ''
+    return {
+        ip_address: ipAddress,
+        basic_auth: apiSignatureKey,
+        host: req.headers['host'],
+        user_agent: req.headers['user-agent'] || '',
+        method: req.method,
+        path: req.path,
+        originalUrl: req.originalUrl,
+        query: req.query,
+        params: req.params,
+        app_id: req.headers['app_id'],
+        body: req.body,
+        authorization: req.headers['Authorization'] || ''
+    }
+}
+
 
 function __getServiceInformation(service_name) {
     return new Promise((resolve, reject) => {
@@ -13,7 +51,7 @@ function __getServiceInformation(service_name) {
             const err = {
                 type: 'NOT_FOUND',
                 module_source: 'request_resolver',
-                message: 'Service method is not found.'
+                message: 'Invalid service access. Please check your request again/'
             }
             reject(err)
         }
@@ -21,10 +59,24 @@ function __getServiceInformation(service_name) {
 }
 
 function __resolveRequest(req, logModel, callback) {
-    let request = grabRequest(req)
+    let request = __grabRequest(req)
+    // Check if basic auth key is not specified
+    if ( request.basic_auth === '' ) {
+        const err = {
+            type: 'UNAUTHORIZED',
+            module_source: 'request_resolver',
+            message: 'You\'re not allowed to access this network'
+        }
+        callback(null, null, err)
+    }
+
+    __validateConsumerBasicAuth(request.basic_auth, userModel)
+    .then(() => {
+        // Get service information from the configuration file
         __getServiceInformation(request.app_id || '')
         .then(service => {
             let flag = false
+
             const availableEndPoints = service.endpoints[request.method.toLowerCase()] || []
             const splittedRequestPath = request.path.replace(/^\/|\/$/g, '').split('/')
             for ( let i = 0; i < availableEndPoints.length; i++ ) {
@@ -43,15 +95,7 @@ function __resolveRequest(req, logModel, callback) {
                     }
                 }
             }
-        if ( service.enable_auth && !validateAPIKey(request.api_key) ) {
+            if ( flag ) { // If method found
-            const err = {
-                type: 'UNAUTHORIZED',
-                module_source: 'request_resolver',
-                message: 'You\'re not allowed to do this action.'
-            }
-            callback(null, null, err) 
-        } else {
-            if ( flag ) {
                 logModel.addLog(new logModel({
                     path: request.path,
                     service: request.app_id,
@@ -66,10 +110,17 @@ function __resolveRequest(req, logModel, callback) {
                 }
                 callback(null, null, err)
             }
-        }
         })
         .catch(err => {
-        console.log(err)
+            callback(null, null, err)
+        })
+    })
+    .catch( _ => {
+        const err = {
+            type: 'UNAUTHORIZED',
+            module_source: 'request_resolver',
+            message: 'Your signature is not valid.'
+        }
         callback(null, null, err)
     })
 }
@@ -80,5 +131,4 @@ module.exports = (logModel) => {
             return __resolveRequest(req, logModel, callback)
         }
     }
-
 }

app/src/data/models/consumer/index.js

@@ -0,0 +1,45 @@
+function __createModel(mongoose) {
+    const schema = require('./schema')(mongoose)
+    schema.statics.getAll = function() {
+        return new Promise((resolve, reject) => {
+            this.find({})
+            .then(docs => { resolve(docs) })
+            .catch(err => { reject(err) })
+        })
+    }
+    schema.statics.insertNewUser = function(userData) {
+        return new Promise((resolve, reject) => {
+            userData.save()
+            .then(result => { resolve(result) })
+            .catch(err => { reject(err) })
+        })
+    }
+    schema.statics.findByBasicToken = function(basicToken) {
+        return new Promise((resolve, reject) => {
+            this.findOne({basic_auth: basicToken})
+            .then(result => { resolve(result) })
+            .catch(err => { reject(err) })
+        })
+    }
+    schema.statics.deleteUserByBasicToken = function(basicToken) {
+        return new Promise((resolve, reject) => {
+            this.deleteOne({basic_auth: basicToken})
+            .then(result => { resolve(result) })
+            .catch(err => { reject(err) })
+        })
+    }
+    schema.statics.updateUserData = function(userData, basicToken) {
+        return new Promise((resolve, reject) => {
+            this.updateOne({basic_auth: basicToken}, userData)
+            .then(result => { resolve(result) })
+            .catch(err => { reject(err) })
+        })
+    }
+
+    return schema
+}
+
+module.exports = (mongoose) => {
+    const schema = __createModel(mongoose)
+    return mongoose.model('user_model', schema)
+}

app/src/data/models/consumer/schema.js

@@ -0,0 +1,8 @@
+module.exports = (mongoose) => {
+    return new mongoose.Schema({
+        username: { type: String, required: true },
+        password: { type: String, required: true },
+        token_access: {type: String, default: ''},
+        basic_auth: {type: String, default: ''}
+    }, {collection: 'user'})
+}

app/src/data/models/index.js

@@ -1,10 +1,8 @@
-const logModel = require('./logs/index')
+const mongoose = require('mongoose')
+const logModel = require('./logs/index')(mongoose)
+const userModel = require('./consumer/index')(mongoose)
 
-function __getLogModel(mongoose) { return logModel(mongoose) }
+module.exports = {
-function __getServiceModel(mongoose) { return serviceModel(mongoose) }
+    logModel,
-
+    userModel
-module.exports = (mongoose) => {
-    return {
-        logModel: __getLogModel(mongoose)
-    }
 }

app/src/data/models/services/index.js

@@ -1,41 +0,0 @@
-/**
- * This is the data service model for saving the service route.
- */
-function __createModel(mongoose) {
-    const schema = require('./schema')(mongoose)
-    schema.statics.getAll = function() {
-        return Promise((resolve, reject) => {
-            this.find({})
-            .then(docs => { resolve(docs) })
-            .catch(err => { reject(err) })
-        })
-    }
-    schema.statics.getByID = function(id) {
-        return Promise((resolve, reject) => {
-            this.findOne({_id: id})
-            .then(doc => { resolve(doc) })
-            .catch(err => { reject(err) })
-        })
-    }
-    schema.statics.addService = function(log) {
-        return new Promise((resolve, reject) => {
-            log.save()
-            .then(result => {resolve(result)})
-            .catch(err => {reject(err)})
-        })
-    }
-    schema.statics.deleteService = function(id) {
-        return new Promise((resolve, reject) => {
-            this.deleteOne({_id: id})
-            .then(result => { resolve(result) })
-            .catch(err => { reject(err) })
-        })
-    }
-
-    return schema
-}
-
-module.exports = (mongoose) => {
-    const schema = __createModel(mongoose)
-    return mongoose.model('service_model', schema)
-}

app/src/data/models/services/schema.js

@@ -1,16 +0,0 @@
-module.exports = (mongoose) => {
-    return new mongoose.Schema({
-        service_name: {type: String, required: true},
-        host: {type: String, required: true},
-        port: {type: String, required: true},
-        resourcePaths: {
-            type: [
-                {
-                    path: { type: String, required: String },
-                    method: { type: String, required: true }
-                }
-            ],
-            default: []
-        }
-    }, {collection: 'services'})
-}

app/src/helpers/index.js

@@ -1,3 +0,0 @@
-const { validateAPIKey } = require('./validation/http_signature_validation')
-const { grabRequest } = require('./webhooks/http_headers_grab')
-module.exports = { validateAPIKey, grabRequest }

app/src/helpers/validation/http_signature_validation.js

@@ -1,15 +0,0 @@
-const {SECRET_KEY, CRYPT_ALGORITHM, API_KEY} = require('../../../utils/configs/config')
-const crypto = require('crypto-js')
-
-function validateAPIKey(key) {
-    let decryptedTextTemporary = ''
-    if ( CRYPT_ALGORITHM === 'AES' ) {
-        const decrypted = crypto.AES.decrypt(key, SECRET_KEY)
-        decryptedTextTemporary = decrypted.toString(crypto.enc.Utf8)
-    }
-    return decryptedTextTemporary ===  API_KEY
-}
-
-module.exports = {
-    validateAPIKey
-}

app/src/helpers/webhooks/http_headers_grab.js

@@ -1,29 +0,0 @@
-/**
- * This module would take necessary data from the HTTP Request Data and Request Headers
- * After we collect all the data we need. We passing it for validation from the validation module.
- * Such as http signature validation and ip whitelist validation or etc.
- */
-function grabRequest(req) {
-    const ipAddress = (req.headers['x-forwarded-for'] || '').split(',').pop() || 
-    req.connection.remoteAddress || 
-    req.socket.remoteAddress || 
-    req.connection.socket.remoteAddress
-    const apiSignatureKey = req.headers['api_key'] || ''
-    return {
-        ip_address: ipAddress,
-        api_key: apiSignatureKey,
-        host: req.headers['host'],
-        user_Agent: req.headers['user-agent'] || '',
-        method: req.method,
-        path: req.path,
-        originalUrl: req.originalUrl,
-        query: req.query,
-        params: req.params,
-        app_id: req.headers['app_id'],
-        body: req.body
-    }
-}
-
-module.exports = {
-    grabRequest
-}

app/src/middlewares/gateway_middleware.js

@@ -1,11 +1,35 @@
 const { forwardRequest,
     resolveRequest,
-    resolveResponse } = require('../core/index')
+    resolveResponse, register, getAllUsers } = require('../core/index')
 const router = require('express').Router()
+const constants = require('../../utils/configs/config')
 
 router.all('*', (req, res) => {
-    resolveRequest(req, (request, service, error) => {
+    if ( req.path === '/consumer/management/register' && req.method.toUpperCase() === 'POST' ) {
+        let data = req.body
+        register(data)
+        .then(result => {
+            res.status(201).json(result)
+        })
+        .catch(err => { res.status(500).json(err) })
+    } else if ( req.path === '/consumer/management/users' && req.method.toUpperCase() === 'GET' ) {
+        let accessToken = req.headers['admin-access']
+        if ( constants.SECRET_KEY === accessToken ) {
+            getAllUsers()
+            .then(docs => {
+                res.json({data: docs})
+            })
+            .catch(err => {
+                res.status(500).json(err)
+            })
+        } else { 
+            res.status(401).json({
+                message: 'You\'re not allowed to do this action.'
+            })
+        }
+    } else {
         resolveResponse(res)
+        resolveRequest(req, (request, service, error) => {
             if ( error ) {
                 let status_code
                 if ( error.hasOwnProperty('type') ) {
@@ -30,6 +54,7 @@ router.all('*', (req, res) => {
                 })
             }
         })
+    }
 })
 
 module.exports = router

app/utils/configs/config.js

@@ -2,6 +2,5 @@ module.exports = {
     DB_NAME: 'GATEWAY_DB',
     PORT: 8080,
     SECRET_KEY: 'Thanos_is_fucked_up+=$^532$#%^3422-YggDrasil-OrionStark_=-423053',
-    CRYPT_ALGORITHM: 'AES',
+    SALT_ROUND: 15
-    API_KEY: 'deef690f-7dd2-4eea-b4ed-3371c7a52a13'
 }

app/utils/database.js

@@ -13,6 +13,5 @@ module.exports = {
             console.log(err)
             throw Error(err)
         })
-    },
+    }
-    mongoose
 }

package-lock.json

@@ -12,6 +12,11 @@
         "regenerator-runtime": "^0.13.2"
       }
     },
+    "abbrev": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
     "accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -21,6 +26,25 @@
         "negotiator": "0.6.2"
       }
     },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+    },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -34,6 +58,11 @@
         "follow-redirects": "1.5.10"
       }
     },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+    },
     "basic-auth": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-2.0.1.tgz",
@@ -42,6 +71,15 @@
         "safe-buffer": "5.1.2"
       }
     },
+    "bcrypt": {
+      "version": "3.0.7",
+      "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-3.0.7.tgz",
+      "integrity": "sha512-K5UglF9VQvBMHl/1elNyyFvAfOY9Bj+rpKrCSR9sFwcW8FywAYJSRwTURNej5TaAK2TEJkcJ6r6lh1YPmspx5Q==",
+      "requires": {
+        "nan": "2.14.0",
+        "node-pre-gyp": "0.13.0"
+      }
+    },
     "bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
@@ -64,25 +102,49 @@
         "type-is": "~1.6.17"
       }
     },
-    "bowser": {
+    "brace-expansion": {
-      "version": "2.8.1",
+      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/bowser/-/bowser-2.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-FxxltGKqMHkVa3KtpA+kdnxH0caHPDewccyrK3vW1bsMw6Zco4vRPmMunowX0pXlDZqhxkKSpToADQI2Sk4OeQ=="
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
     },
     "bson": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.3.tgz",
       "integrity": "sha512-TdiJxMVnodVS7r0BdL42y/pqC9cL2iKynVwA0Ho3qbsQYr428veL3l7BQyuqiw+Q5SqqoT0m4srSY/BlZ9AxXg=="
     },
+    "buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
+    },
     "bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
       "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
     },
-    "camelize": {
+    "chownr": {
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@@ -585,6 +884,38 @@
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@@ -653,6 +987,11 @@
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@@ -696,6 +1035,11 @@
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@@ -744,6 +1138,11 @@
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-    "x-xss-protection": {
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-      "resolved": "https://registry.npmjs.org/x-xss-protection/-/x-xss-protection-1.3.0.tgz",
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package.json

@@ -11,12 +11,12 @@
   "license": "MIT",
   "dependencies": {
     "axios": "^0.19.1",
+    "bcrypt": "^3.0.7",
     "bluebird": "^3.7.2",
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
-    "crypto-js": "^3.1.9-1",
     "express": "^4.17.1",
-    "helmet": "^3.21.2",
+    "jsonwebtoken": "^8.5.1",
     "mongoose": "^5.8.7",
     "morgan": "^1.9.1",
     "redis": "^2.8.0",