PetscGoogleDriveAuthorize#

Get authorization and refresh token for accessing Google drive from PETSc

Synopsis#

PetscErrorCode PetscGoogleDriveAuthorize(MPI_Comm comm, char access_token[], char refresh_token[], size_t tokensize)

Not Collective, only the first process in MPI_Comm does anything

Input Parameters#

  • comm - the MPI communicator

  • tokensize - size of the token arrays

Output Parameters#

  • access_token - can be used with PetscGoogleDriveUpload() for this one session

  • refresh_token - can be used for ever to obtain new access_tokens with PetscGoogleDriveRefresh(), guard this like a password it gives access to your Google Drive

Notes#

This call requires stdout and stdin access from process 0 on the MPI communicator

You can run src/sys/webclient/tutorials/googleobtainrefreshtoken to get a refresh token and then in the future pass it to PETSc programs with -google_refresh_token XXX

See Also#

PetscGoogleDriveRefresh(), PetscGoogleDriveUpload(), PetscURLShorten()

Level#

intermediate

Location#

src/sys/webclient/google.c

Examples#

src/sys/webclient/tutorials/googleobtainrefreshtoken.c

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