UPN attribute is not correctly lowercased

[crackytsi]

Request Type

Bug

Work Environment

Question	Answer
TheHive version / git hash	3.1

Problem Description

TheHive compares the extracted UPN
Firstname.Lastname@example.com with the internal useraccount (always lowercased) to firstname.lastname@example.com. This must fail.

Steps to Reproduce

Use a certificate with Uppercase characters in UPN.

Possible Solutions

Lowercase the UPN or any attribute that is compared with the usernames defined in TheHive.

[To-om]

Fixed by TheHive-Project/elastic4play#71