add validation

index.js

@@ -3,6 +3,7 @@ const express = require('express');
 const session = require('cookie-session');
 const favicon = require('serve-favicon');
 const passport = require('passport')
+const Joi = require('joi'); 
 const fetch = require('node-fetch')
 var OIDCStrategy = require('passport-azure-ad').OIDCStrategy;
 var cookieParser = require('cookie-parser');
@@ -248,6 +249,21 @@ app.get('/create', ensureAuthenticated, async function (req, res) {
 })
 
 app.post('/paylink', ensureAuthenticated, async function (req, res) {
+  const schema = Joi.object().keys({
+    amnt: Joi.number().greater(0.5).required(),
+    invoice: Joi.string().required(),
+    contactName: Joi.string().required(),
+    contactEmail: Joi.string().email().required()
+  })
+  const { body } = req;
+  const {error} = schema.validate(body);
+  const valid = error === null;
+  if (!valid) {
+    return res.status(422).json({
+      success: false,
+      message: error.details[0].message
+    })
+  }
   try {
     const email = req.user._json.preferred_username;
     const { amnt, invoice, contactName, contactEmail } = req.body

package.json

@@ -22,6 +22,7 @@
     "forever": "^4.0.1",
     "hogan-express": "^0.5.2",
     "hogan-express-partials": "^0.0.4",
+    "joi": "^17.11.0",
     "node-fetch": "2",
     "nodemon": "^2.0.13",
     "passport": "^0.5.2",

yarn.lock

@@ -21,6 +21,18 @@
   resolved "https://registry.yarnpkg.com/@gar/promisify/-/promisify-1.1.3.tgz#555193ab2e3bb3b6adc3d551c9c030d9e860daf6"
   integrity sha512-k2Ty1JcVojjJFwrg/ThKi2ujJ7XNLYaFGNB/bWT9wGR+oSMJHMa5w+CUq6p/pVrKeNNgA7pCqEcjSnHVoqJQFw==
 
+"@hapi/hoek@^9.0.0":
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/@hapi/hoek/-/hoek-9.3.0.tgz#8368869dcb735be2e7f5cb7647de78e167a251fb"
+  integrity sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ==
+
+"@hapi/topo@^5.0.0":
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/@hapi/topo/-/topo-5.1.0.tgz#dc448e332c6c6e37a4dc02fd84ba8d44b9afb012"
+  integrity sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==
+  dependencies:
+    "@hapi/hoek" "^9.0.0"
+
 "@mapbox/node-pre-gyp@^1.0.0":
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/@mapbox/node-pre-gyp/-/node-pre-gyp-1.0.10.tgz#8e6735ccebbb1581e5a7e652244cadc8a844d03c"
@@ -52,6 +64,23 @@
     mkdirp "^1.0.4"
     rimraf "^3.0.2"
 
+"@sideway/address@^4.1.3":
+  version "4.1.4"
+  resolved "https://registry.yarnpkg.com/@sideway/address/-/address-4.1.4.tgz#03dccebc6ea47fdc226f7d3d1ad512955d4783f0"
+  integrity sha512-7vwq+rOHVWjyXxVlR76Agnvhy8I9rpzjosTESvmhNeXOXdZZB15Fl+TI9x1SiHZH5Jv2wTGduSxFDIaq0m3DUw==
+  dependencies:
+    "@hapi/hoek" "^9.0.0"
+
+"@sideway/formula@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@sideway/formula/-/formula-3.0.1.tgz#80fcbcbaf7ce031e0ef2dd29b1bfc7c3f583611f"
+  integrity sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg==
+
+"@sideway/pinpoint@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@sideway/pinpoint/-/pinpoint-2.0.0.tgz#cff8ffadc372ad29fd3f78277aeb29e632cc70df"
+  integrity sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ==
+
 "@sindresorhus/is@^0.14.0":
   version "0.14.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.14.0.tgz#9fb3a3cf3132328151f353de4632e01e52102bea"
@@ -2192,6 +2221,17 @@ [email protected], isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
   integrity sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=
 
+joi@^17.11.0:
+  version "17.11.0"
+  resolved "https://registry.yarnpkg.com/joi/-/joi-17.11.0.tgz#aa9da753578ec7720e6f0ca2c7046996ed04fc1a"
+  integrity sha512-NgB+lZLNoqISVy1rZocE9PZI36bL/77ie924Ri43yEvi9GUUMPeyVIr8KdFTMUlby1p0PBYMk9spIxEUQYqrJQ==
+  dependencies:
+    "@hapi/hoek" "^9.0.0"
+    "@hapi/topo" "^5.0.0"
+    "@sideway/address" "^4.1.3"
+    "@sideway/formula" "^3.0.1"
+    "@sideway/pinpoint" "^2.0.0"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"