[kontact] [Bug 450321] New: KOrganizer: EWS broken on office365.com using OAuth2

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https://bugs.kde.org/show_bug.cgi?id=450321

            Bug ID: 450321
           Summary: KOrganizer: EWS broken on office365.com using OAuth2
           Product: kontact
           Version: 5.14.2
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: calendar
          Assignee: kdepim-bugs at kde.org
          Reporter: mac-wang at sjtu.edu.cn
  Target Milestone: ---

SUMMARY
***
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See
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***
The EWS add-on is broken on office365.com using OAuth2

STEPS TO REPRODUCE
1. Create a calendar account of type "EWS" in KOrganizer
2. Enter an outlook.com mail address, select OAuth2 authentication, and provide
office365.com as the EWS URL
3. Click "Try connect" button and provide my account credentials

OBSERVED RESULT
On first login attempt, login.live.com complained:
"AADSTS165000: Invalid Request: The user session context is missing. One or
more of the user context values (cookies; form fields; headers) were not
supplied, every request must include these values and maintain them across a
complete single user flow. The request did not return all of the form fields.
Failure Reasons:[Missing session context cookie;Token is invalid;]", and login
failed with KOrganizer reporting "Failed to process EWS request HTTP 401".
On a subsequent second attempt, only KOrganizer reported HTTP 401.
Closed KOrganizer and tried again, the above situation reappears.

EXPECTED RESULT
I should have my calendar set up and working

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: openSUSE Leap 15.3/Linux 5.3.18-150300.59.49-default #1 SMP
Mon Feb 7 14:40:20 UTC 2022 (77d9d02) x86_64
(available in About System)
KDE Plasma Version: 5.18.6
KDE Frameworks Version: 5.76.0
Qt Version: 5.12.7

ADDITIONAL INFORMATION

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