auth: fix /query/api-meta.json route
This route does not need authentication.
webhooks: initial prototype for GQL-native webhooks
auth: s/OAuth2Token/BearerToken/g
This also makes some tweaks to the organization of the crypto module to
make it easier for us to add more keys in the future, which will be
necessary for the internal token redesign.
auth: allow /query/metrics w/o authentication
auth: fix user type on database insert
auth: authenticate all requests under /query
Various bug fixes per pages.sr.ht
crypto: harden API surface
Make it explicit that expiration is not being tested with Decrypt, and
test that the expiration is meaningful with DecryptWithExpiration.
Fetch user PGP key for meta.sr.ht
Correct TODO for context which is invariant
Prohibit OAuth client auth for revoked clients
Print IP with "invalid source IP" authError
Add legacy webhooks worker implementation
Add test for internal auth
auth/middleware_test: test invalid auth cookie
auth/middleware: fix printf suspension params
Import GQL server interfaces from gql.sr.ht