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Authorizing Google Drive

If you are just running code at the command line, then run steps 1 and 2 once. If you are running code in an Rmd, then run Steps 1-2 from the command line once and then follow the instructions in Step 3 to see what code you need to add to your Rmd file.

Step 1. Tell drive_auth() where to put the token. You maybe can leave off the email bit.

options(
  gargle_oauth_cache = ".secrets",
  gargle_oauth_email = "[email protected]"
)

Step 2. Run the authorization code once

This would set the authorization to readonly.

googledrive::drive_auth(scopes = "https://www.googleapis.com/auth/drive.readonly", email = "[email protected]")

This would set the authorization to full control (read, edit, upload and delete).

googledrive::drive_auth(scopes = "https://www.googleapis.com/auth/drive", email = "[email protected]")

Run that once from the command line, before knitting the Rmd. You’ll get a pop-up window asking permission for access.

Step 3. Then at the top of your Rmd file add these lines.

Use echo=FALSE so that users don’t see this. This tells Rmd where to find the cached token to use for authorization. Obviously, add your email not the one here. Note, the gargle help file doesn’t say that this is what you should do but this is what worked for me.

options(
  gargle_oauth_cache = ".secrets",
  gargle_oauth_email = "[email protected]"
)
googledrive::drive_deauth()
googledrive::drive_auth(scopes = "https://www.googleapis.com/auth/drive.readonly", email="[email protected]")

If you look at the Rmd file for this document, you’ll see this code at the top with include=FALSE so it doesn’t show in the output. Make sure the scopes part matches whatever you used in Step 2.

Make sure .secrets is in your .github file. Don’t push that up to GitHub. Maybe you even want to delete that folder automatically on signing out.