Fix authentication with new authentication protocol

[irakhlin]

…cloud-photos-downloader/icloud_photos_downloader/commit/4bcb2ac46a585205cbf3886b3df78179b34b18b1#diff-f2270f557e6afedd3e082f4dd8478d1c96dea051d6ea2e5b1229c0bb58d3d7f4R341

Proposed change

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New service (thank you!)
• New feature (which adds functionality to an existing service)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests
• Documentation or code sample

Additional information

• This pr should resolve the authentication issue being seen here: 421 Authentication Error  #441
• uses the technique shown here: icloud-photos-downloader/icloud_photos_downloader@4bcb2ac#diff-f2270f557e6afedd3e082f4dd8478d1c96dea051d6ea2e5b1229c0bb58d3d7f4R341

Checklist

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated to README

[PaulCavill]

@picklepete @coddingtonbear we are trying to get icloud in Home assistant working again, can you please review..

[PaulCavill]

@torarnv @Quentame

[karljtaylor]

impacting quite a few projects. think a few more places worth referencing, like this also shows up in issue #456

[PaulCavill]

@balloob can you help with this?

[gcobb321]

@irakhlin @PaulCavill @codebar33
I had 2 users with valid passwords that failed to login. The passwords are:
qT*k74Ty]
latD620!

@codebar33 passed along code they are using at iMazing you may want to review. It corrects the problem caused by the password_hash not being calculated with the latest SRP-6A protocol.

See here and here

I am away so I have not been able to test this code update in iCloud3.

[gcobb321]

@nzapponi
Nick, As I recall from a login time ago, you had code approval for pyicloud. Do you think you could help out here?

[PaulCavill]

@gcobb321 I have added the code in the links you provided, Will do some testing with the supplied passwords tomorrow.

irakhlin/pyicloud@master...PaulCavill:pyicloud:master

@irakhlin Can you please sync your fork.

[PaulCavill]

@gcobb321 After going through so many debug logs. I now have the 2 above passwords working on my install, by adding another Execption Handle to a try block.