104 lines
No EOL
2.9 KiB
JavaScript
104 lines
No EOL
2.9 KiB
JavaScript
let satitm_directory = require('./config/ldap.js');
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let ldap = require('ldapjs');
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// Search for a user in the directory
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async function queryUser(upn, attributes) {
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return new Promise((resolve, reject) => {
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let opts = {
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filter: `(userPrincipalName=${upn})`,
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scope: 'sub',
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attributes: attributes
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};
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satitm_directory.search('DC=ad,DC=satitm,DC=chula,DC=ac,DC=th', opts, function(err, ldapRes) {
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ldapRes.on('searchEntry', function(entry) {
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console.log('entry: ' + JSON.stringify(entry.object));
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resolve(entry.object);
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});
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ldapRes.on('error', function(err) {
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console.error('error: ' + err.message);
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reject(err);
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});
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ldapRes.on('end', function(result) {
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console.log('status: ' + result.status);
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});
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});
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});
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}
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async function setPrimaryParent(student_upn, parent_upn) {
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try {
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// Query the student's LDAP entry
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let studentAttributes = ['primaryParent'];
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let student = await queryUser(student_upn, studentAttributes);
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let primaryParent = student.primaryParent;
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// If the primary parent is not set, set it to the parent's UPN
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if (!primaryParent) {
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let change = new ldap.Change({
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operation: 'add',
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modification: {
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primaryParent: parent_upn
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}
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});
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let dn = student.dn;
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satitm_directory.modify(dn, change, function(err) {
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if (err) {
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console.error(err);
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throw err;
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}
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});
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}
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// If the primary parent is already set, return an error
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else {
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throw new Error('Primary parent already set');
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}
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} catch (err) {
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console.error(err);
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throw err;
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}
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}
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// 0: Unkown, 1: Student, 2: Parent
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const USER_TYPE = {
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UNKNOWN: 0,
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STUDENT: 1,
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PARENT: 2
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};
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// Determine the type of user
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// Student is in OU=Students,OU=Users,DC=ad,DC=satitm,DC=chula,DC=ac,DC=th
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// Parent is in OU=Parents,OU=Users,DC=ad,DC=satitm,DC=chula,DC=ac,DC=th
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function getUserType(req, res) {
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// The user's DN is present in the session as req.user.dn
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// To convert DN to OU, remove from first CN= to first ,
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let ou = req.user.dn.substring(req.user.dn.indexOf(',') + 1);
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console.log('OU:', ou);
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if (ou === 'OU=Students,DC=ad,DC=satitm,DC=chula,DC=ac,DC=th') {
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return USER_TYPE.STUDENT;
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}
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else if (ou === 'OU=Parents,DC=ad,DC=satitm,DC=chula,DC=ac,DC=th') {
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return USER_TYPE.PARENT;
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}
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else {
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return USER_TYPE.UNKNOWN;
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}
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}
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async function getPrimaryParent(student_upn) {
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try {
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// Query primaryParent attribute in the student's LDAP entry
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let attributes = ['primaryParent'];
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let student = await queryUser(student_upn, attributes);
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let primaryParent = student.primaryParent;
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return primaryParent;
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} catch (err) {
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console.error(err);
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throw err;
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}
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}
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module.exports = {
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queryUser: queryUser,
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getUserType: getUserType,
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setPrimaryParent: setPrimaryParent,
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USER_TYPE: USER_TYPE
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}; |