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12,13d11
< const { Client } = require('ldapts');
< const ldapEscape = require('ldap-escape');
34,92c32,36
<       //console.log("Begining:" + JSON.stringify(query))
<       AuthenticationManager.authUserObj(error, user, query, password, callback)
<     })
<   },
<     //login with any password
<   login(user, password, callback) {
<     AuthenticationManager.checkRounds(
<       user,
<       user.hashedPassword,
<       password,
<       function (err) {
<         if (err) {
<           return callback(err)
<         }
<         callback(null, user)
<         HaveIBeenPwned.checkPasswordForReuseInBackground(password)
<         }
<     )
<   },
< 
<   //oauth2
<   createUserIfNotExist(oauth_user, callback) {
<     const query = {
<       //name: ZHANG San
<       email: oauth_user.email
<     };
<     User.findOne(query, (error, user) => {
<       if ((!user || !user.hashedPassword)) {
<         //create random pass for local userdb, does not get checked for ldap users during login
<         let pass = require("crypto").randomBytes(32).toString("hex")
<         const userRegHand = require('../User/UserRegistrationHandler.js')
<         userRegHand.registerNewUser({
<               email: query.email,
<               first_name: oauth_user.given_name,
<               last_name: oauth_user.family_name,
<               password: pass
<             },
<             function (error, user) {
<               if (error) {
<                 return callback(error, null);
<               }
<               user.admin = false
<               user.emails[0].confirmedAt = Date.now()
<               user.save()
<               console.log("user %s added to local library", query.email)
<               User.findOne(query, (error, user) => {
<                     if (error) {
<                       return callback(error, null);
<                     }
<                     if (user && user.hashedPassword) {
<                       return callback(null, user);
<                     } else {
<                       return callback("Unknown error", null);
<                     }
<                   }
<               )
<             })
<       } else {
<         return callback(null, user);
---
>       if (error) {
>         return callback(error)
>       }
>       if (!user || !user.hashedPassword) {
>         return callback(null, null)
94,138d37
<     });
<   },
< 
<   //LDAP
<   createIfNotExistAndLogin(query, user, callback, uid, firstname, lastname, mail, isAdmin) {
<     if (!user) {
<       //console.log("Creating User:" + JSON.stringify(query))
<       //create random pass for local userdb, does not get checked for ldap users during login
<       let pass = require("crypto").randomBytes(32).toString("hex")
<       //console.log("Creating User:" + JSON.stringify(query) + "Random Pass" + pass)
< 
<       const userRegHand = require('../User/UserRegistrationHandler.js')
<       userRegHand.registerNewUser({
<             email: mail,
<             first_name: firstname,
<             last_name: lastname,
<             password: pass
<           },
<           function (error, user) {
<             if (error) {
<               console.log(error)
<             }
<             user.email = mail
<             user.isAdmin = isAdmin
<             user.emails[0].confirmedAt = Date.now()
<             user.save()
<             //console.log("user %s added to local library: ", mail)
<             User.findOne(query, (error, user) => {
<               if (error) {
<                 console.log(error)
<               }
<               if (user && user.hashedPassword) {
<                 AuthenticationManager.login(user, "randomPass", callback)
<               }
<             })
<           }) // end register user
<     } else {
<       AuthenticationManager.login(user, "randomPass", callback)
<     }
<   },
< 
<   authUserObj(error, user, query, password, callback) {
<     if ( process.env.ALLOW_EMAIL_LOGIN && user && user.hashedPassword) {
<       console.log("email login for existing user " + query.email)
<       // check passwd against local db
140,146c39,40
<         if (match) {
<           console.log("Local user password match")
<           AuthenticationManager.login(user, password, callback)
<         } else {
<           console.log("Local user password mismatch, trying LDAP")
<           // check passwd against ldap
<           AuthenticationManager.ldapAuth(query, password, AuthenticationManager.createIfNotExistAndLogin, callback, user)
---
>         if (error) {
>           return callback(error)
147a42,73
>         const update = { $inc: { loginEpoch: 1 } }
>         if (!match) {
>           update.$set = { lastFailedLogin: new Date() }
>         }
>         User.updateOne(
>           { _id: user._id, loginEpoch: user.loginEpoch },
>           update,
>           {},
>           (err, result) => {
>             if (err) {
>               return callback(err)
>             }
>             if (result.nModified !== 1) {
>               return callback(new ParallelLoginError())
>             }
>             if (!match) {
>               return callback(null, null)
>             }
>             AuthenticationManager.checkRounds(
>               user,
>               user.hashedPassword,
>               password,
>               function (err) {
>                 if (err) {
>                   return callback(err)
>                 }
>                 callback(null, user)
>                 HaveIBeenPwned.checkPasswordForReuseInBackground(password)
>               }
>             )
>           }
>         )
149,153c75
<     } else {
<       // No local passwd check user has to be in ldap and use ldap credentials
<       AuthenticationManager.ldapAuth(query, password, AuthenticationManager.createIfNotExistAndLogin, callback, user)
<     }
<     return null
---
>     })
157,158d78
<     // we use the emailadress from the ldap
<     // therefore we do not enforce checks here
160,162c80,82
<     //if (!parsed) {
<     //    return new InvalidEmailError({ message: 'email not valid' })
<     //}
---
>     if (!parsed) {
>       return new InvalidEmailError({ message: 'email not valid' })
>     }
320,437d239
< 
< 
<   async ldapAuth(query, password, onSuccessCreateUserIfNotExistent, callback, user) {
<     const client = new Client({
<       url: process.env.LDAP_SERVER,
<     });
< 
<     const ldap_reader = process.env.LDAP_BIND_USER
<     const ldap_reader_pass = process.env.LDAP_BIND_PW
<     const ldap_base = process.env.LDAP_BASE
< 
<     var mail = query.email
<     var uid = query.email.split('@')[0]
<     var firstname = ""
<     var lastname = ""
<     var isAdmin = false
<     var userDn = ""
< 
<     //replace all appearences of %u with uid and all %m with mail:
<     const replacerUid = new RegExp("%u", "g")
<     const replacerMail = new RegExp("%m","g")
<     const filterstr = process.env.LDAP_USER_FILTER.replace(replacerUid, ldapEscape.filter`${uid}`).replace(replacerMail, ldapEscape.filter`${mail}`) //replace all appearances
<     // check bind
<     try {
<       if(process.env.LDAP_BINDDN){ //try to bind directly with the user trying to log in
<         userDn = process.env.LDAP_BINDDN.replace(replacerUid,ldapEscape.filter`${uid}`).replace(replacerMail, ldapEscape.filter`${mail}`);
<         await client.bind(userDn,password);
<       }else{// use fixed bind user
<         await client.bind(ldap_reader, ldap_reader_pass);
<       }
<     } catch (ex) {
<       if(process.env.LDAP_BINDDN){
<         console.log("Could not bind user: " + userDn);
<       }else{
<         console.log("Could not bind LDAP reader: " + ldap_reader + " err: " + String(ex))
<       }
<       return callback(null, null)
<     }
< 
<     // get user data
<     try {
<       const {searchEntries, searchRef,} = await client.search(ldap_base, {
<         scope: 'sub',
<         filter: filterstr ,
<       });
<       await searchEntries
<       console.log(JSON.stringify(searchEntries))
<       if (searchEntries[0]) {
<         mail = searchEntries[0].mail
<         uid = searchEntries[0].uid
<         firstname = searchEntries[0].givenName
<         lastname = searchEntries[0].sn
<         if(!process.env.LDAP_BINDDN){ //dn is already correctly assembled
<           userDn = searchEntries[0].dn
<         }
<         console.log("Found user: " + mail + " Name: " + firstname + " " + lastname + " DN: " + userDn)
<       }
<     } catch (ex) {
<       console.log("An Error occured while getting user data during ldapsearch: " + String(ex))
<       await client.unbind();
<       return callback(null, null)
<     }
< 
<     try {
<       // if admin filter is set - only set admin for user in ldap group
<       // does not matter - admin is deactivated: managed through ldap
<       if (process.env.LDAP_ADMIN_GROUP_FILTER) {
<         const adminfilter = process.env.LDAP_ADMIN_GROUP_FILTER.replace(replacerUid, ldapEscape.filter`${uid}`).replace(replacerMail, ldapEscape.filter`${mail}`)
<         adminEntry = await client.search(ldap_base, {
<           scope: 'sub',
<           filter: adminfilter,
<         });
<         await adminEntry;
<         //console.log("Admin Search response:" + JSON.stringify(adminEntry.searchEntries))
<         if (adminEntry.searchEntries[0]) {
<           console.log("is Admin")
<           isAdmin=true;
<         }
<       }
<     } catch (ex) {
<       console.log("An Error occured while checking for admin rights - setting admin rights to false: " + String(ex))
<       isAdmin = false;
<     } finally {
<       await client.unbind();
<     }
<     if (mail == "" || userDn == "") {
<       console.log("Mail / userDn not set - exit. This should not happen - please set mail-entry in ldap.")
<       return callback(null, null)
<     }
< 
<     if(!process.env.BINDDN){//since we used a fixed bind user to obtain the correct userDn we need to bind again to authenticate
<       try {
<         await client.bind(userDn, password);
<       } catch (ex) {
<         console.log("Could not bind User: " + userDn + " err: " + String(ex))
<         return callback(null, null)
<       } finally{
<         await client.unbind()
<       }
<     }
<     //console.log("Logging in user: " + mail + " Name: " + firstname + " " + lastname + " isAdmin: " + String(isAdmin))
<     // we are authenticated now let's set the query to the correct mail from ldap
<     query.email = mail
<     User.findOne(query, (error, user) => {
<       if (error) {
<         console.log(error)
<       }
<       if (user && user.hashedPassword) {
<         //console.log("******************** LOGIN ******************")
<         AuthenticationManager.login(user, "randomPass", callback)
<       } else {
<         onSuccessCreateUserIfNotExistent(query, user, callback, uid, firstname, lastname, mail, isAdmin)
<       }
<     })
<   }
< 
< 
<