create the OTP SDK with update event and getting refresh token from t…

…he api

rel #94

package.json

@@ -25,6 +25,7 @@
   "homepage": "https://github.com/foundersandcoders/OTP-Data-Entry#readme",
   "dependencies": {
     "aws-sdk": "^2.186.0",
+    "axios": "^0.17.1",
     "body-parser": "^1.18.0",
     "compression": "^1.7.1",
     "cookie-parser": "^1.4.3",

src/otp_sdk/events.js

@@ -0,0 +1,14 @@
+const axios = require('axios');
+
+module.exports.modify = (options, tools) => {
+  return new Promise(async (resolve, reject) => {
+    try {
+      await axios(options);
+      resolve();
+    } catch (error) {
+      error.response.data.error === 'Unauthorized'
+        ? reject({ Unauthorized: true })
+        : reject();
+    }
+  });
+};

src/otp_sdk/get_refresh_token.js

@@ -0,0 +1,47 @@
+const verifyToken = require('../helpers/verify_token.js');
+const axios = require('axios');
+const qs = require('querystring');
+const jwt = require('jsonwebtoken');
+const { oauthTokenBaseURL } = require('../constants/urls.json');
+
+module.exports = (req, res) => {
+  const requestToken = token => {
+    console.log(1);
+    const tokenQueries = {
+      grant_type: 'refresh_token',
+      refresh_token: token.refresh_token,
+      client_id: process.env.CLIENT_ID,
+      client_secret: process.env.CLIENT_SECRET,
+      redirect_uri: process.env.REDIRECT_URI,
+    };
+
+    const options = {
+      method: 'post',
+      baseURL: oauthTokenBaseURL,
+      data: qs.stringify(tokenQueries),
+    };
+
+    return new Promise(async (resolve, reject) => {
+      try {
+        const apiTokenResponse = await axios(options);
+        const { access_token, refresh_token } = apiTokenResponse.data;
+        const token = jwt.sign(
+          { access_token, refresh_token },
+          process.env.JWT_SECRET,
+        );
+        res.clearCookie('access');
+        res.cookie('access', token, { maxAge: 604800000 });
+        resolve(access_token);
+      } catch (e) {
+        reject(e);
+      }
+    });
+  };
+
+  return new Promise(async (resolve, reject) => {
+    verifyToken(req)
+      .then(requestToken)
+      .then(token => resolve(token))
+      .catch(reject);
+  });
+};

src/otp_sdk/index.js

@@ -0,0 +1,5 @@
+module.exports.events = require('./events.js');
+
+module.exports.auth = {
+  getRefreshToken: require('./get_refresh_token.js'),
+};