Transfer ownership fails if storage exists with user password

[PVince81]

Steps

1. Create two users "user1" and "user2"
2. Setup an external storage "/sftp" with type "SFTP" and pick the mode "Log-in credentials, save in session"
3. Login as "user1" and see that the "/sftp" mount can be accessed
4. Create a local folder "/test" (NOT inside the mount point)
5. Run the transfer ownership command for "user1" to "user2".

Expected

Only folder "test" (and skeleton files if they were there) was transferred to "user2"

Actual

Nothing transferred, error during mounting:

                                            
  [OCP\Files\StorageNotAvailableException]  
  No session credentials saved              
                                            

                                            
  [OCP\Files\StorageNotAvailableException]  
  No session credentials saved              
                                            

                                                                         
  [OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException]  
  No session credentials saved                                           

Versions

Observed on 9.0.5

Unavailable storages must be ignored during transfer.
Even better: any external storages cannot be transferred anyway, so don't bother mounting them!

[PVince81]

cc @DeepDiver1975

[PVince81]

@kawohl @cdamken please let me know whether the case from #23881 (comment) shows similar errors to what I posted above.

Fix for this is here: #26533

[cdamken]

@PVince81 Sofar I remember the error had nothing to do with the credentials.

The configuration in WND that I have is:

[PVince81]

@cdamken okay, thanks for the details.

I'm able to reproduce the issue with OC 9.0.5, steps:

1. Create two users "user1" and "user2", but never login with those
2. Setup WND with "Log-in credentials, save in database"
3. Transfer files either from "user1" to "user2" or the reverse.

Expected result

Transfer succeeds

Actual result

# sudo -uwwwrun ./occ files:transfer-ownership user1 user2
Analysing files of user1 ...
    0 [>---------------------------]

  [OCP\Files\StorageNotAvailableException]  
  No login credentials saved                



  [OCP\Files\StorageNotAvailableException]  
  No login credentials saved                



  [OCA\Files_External\Lib\InsufficientDataForMeaningfulAnswerException]  
  No login credentials saved                                             

[PVince81]

Tried the same scenario with the fix from #26533 and the error disappears, the transfer completes. Note that the patch doesn't apply on top of OC 9.0 due to file name differences, but we will provide a backport.

[cdamken]

@PVince81 is the problem fixed also when the external storage is AWS S3?

[PVince81]

@cdamken the fix is independent from storage type, so it should work for S3 as well

[lock]

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