pre async

routes/ps_relation_parent.js

@@ -0,0 +1,87 @@
+// This file contains the routes for the the account linking process on the parent side.
+
+let express = require('express');
+let router = express.Router();
+let passport = require('passport');
+let database = require('../config/database.js');
+
+// Consume the pairing code
+// Return the student's UPN then delete the pairing code
+function consumePairingCode(pairing_code, callback) {
+    let sql = 'SELECT upn FROM ps_pairing_codes WHERE pairing_code = ?';
+    database.query(sql, pairing_code, function (err, result) {
+        if (err) {
+            console.log('Error:', err);
+            return callback(err, null);
+        } else {
+            if (result.length === 0) {
+                return callback(null, null);
+            } else {
+                let upn = result[0].upn;
+                let sql = 'DELETE FROM ps_pairing_codes WHERE pairing_code = ?';
+                database.query(sql, pairing_code, function (err, result) {
+                    if (err) {
+                        console.log('Error:', err);
+                    } else {
+                        console.log('Pairing code consumed');
+                    }
+                });
+                return callback(null, upn);
+            }
+        }
+    });
+}
+
+router.get('/parent/:parent_upn/add-student', function (req, res) {
+    if(!req.isAuthenticated()) {
+        return res.status(401).send('Unauthorized');
+    }
+    let parent_upn = req.params.parent_upn;
+    // Is the logged in user a parent with the same UPN as the one in the URL?
+    // If not, return a 403 Forbidden response
+    if (req.user.username !== parent_upn) {
+        return res.status(403).send('Forbidden, UPN mismatch');
+    }
+    // Consume the pairing code, if it return null, return a 404 Not Found response
+    // Don't update the parent's student list yet
+    // Note that we won't return the student's details in this route
+    // Just a success message
+    let pairing_code = req.query.pairing_code;
+    // Is the pairing code in the query string?
+    if (!pairing_code) {
+        return res.status(400).send('Bad Request, pairing_code missing');
+    }
+    let student_upn = '';
+    consumePairingCode(pairing_code, function (err, upn) {
+        if (err) {
+            return res.status(500).send('Internal Server Error');
+        }
+        if (upn === null) {
+            return res.status(404).send('Invalid pairing code');
+        }
+        student_upn = upn;
+        res.send('Student added');
+        // Set the LDAP attribute parent to the parent's UPN in the student's LDAP entry
+    });
+});
+
+router.get('/parent/:parent_upn', function (req, res) {
+    if(!req.isAuthenticated()) {
+        return res.status(401).send('Unauthorized');
+    }
+    let parent_upn = req.params.parent_upn;
+    // Is the logged in user a parent with the same UPN as the one in the URL?
+    // If not, return a 403 Forbidden response
+    if (req.user.username !== parent_upn) {
+        return res.status(403).send('Forbidden, UPN mismatch');
+    }
+    // Return the parent's details in the session in JSON format
+    allowedAttributes = ['username', 'first_name', 'last_name'];
+    let parent = {};
+    allowedAttributes.forEach(function (attribute) {
+        parent[attribute] = req.user[attribute];
+    });
+    res.json(parent);
+});
+
+module.exports = router;