Refactor the auth code into its own dagger module, add tests and use the new interfaces to implement the login and logout commands.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=149108266
Store the auth credentials under a name qualified by the set of OAuth scopes
as well as the client id. This is implemented as the base64 encoded SHA1 hash
of the concatenation of client id and sorted auth scopes.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=148127911
Implement client-side OAuth in non-local HTTP connections. Also add tests to
verify that the different modes of connection are set up correctly.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=147636222
