[fpc-devel] Google APIs - Authenticate using a service account?

Michael Van Canneyt michael at freepascal.org
Mon Mar 14 11:45:02 CET 2022

On Sun, 13 Mar 2022, Wayne Sherman via fpc-devel wrote:

> On Tue, Jun 30, 2020 at 12:47 AM Michael Van Canneyt
> <michael at freepascal.org> wrote:
>> The problem with the service account is that you must create a JWT Token.
>> FPC does not yet have a unit that can generate *and sign* a JWT Token.
> I had a little time this weekend and started looking into this again.
> I was happy to discover these recent developments:
>     *Some new hash and elliptic curve crypto files*
>     https://gitlab.com/freepascal.org/fpc/source/-/tree/main/packages/fcl-hash/src
>     *Commit which adds support for Java Web Token (JWT) signing*
>     https://gitlab.com/freepascal.org/fpc/source/-/commit/47610d5c651a232a2061a44e2358b147ba65ff1c
>     (fpjwt.pp has new TJWTKey record, TJWTSigner class, and new
> methods TJWT.Sign and TJWT.ValidateJWT)
>     *Commit which adds ES256 JWT signing*
>     https://gitlab.com/freepascal.org/fpc/source/-/commit/5afaeaa3ac813e5682d0da9de7d17454a4771d2c
>     (ES256 signing can be used for Google API service accounts)

Yes. I would still like to see if we can integrate the OAuth of the google API and
the JWT signing more closely, possibly through some extra classes.

> Thank you Michael Van Canneyt.  :-)

You're welcome. We're slowly improving things.

There is more to come, but I am doing a round-robin on the many areas I am active
in, so it may be some weeks before I come back to this... :-)


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