[chore] update dependencies, bump to Go 1.19.1 (#826)

* update dependencies, bump Go version to 1.19

* bump test image Go version

* update golangci-lint

* update gotosocial-drone-build

* sign

* linting, go fmt

* update swagger docs

* update swagger docs

* whitespace

* update contributing.md

* fuckin whoopsie doopsie

* linterino, linteroni

* fix followrequest test not starting processor

* fix other api/client tests not starting processor

* fix remaining tests where processor not started

* bump go-runners version

* don't check last-webfingered-at, processor may have updated this

* update swagger command

* update bun to latest version

* fix embed to work the same as before with new bun

Signed-off-by: kim <grufwub@gmail.com>
Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>

vendor/github.com/jackc/pgconn/krb5.go

@@ -0,0 +1,99 @@
+package pgconn
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/jackc/pgproto3/v2"
+)
+
+// NewGSSFunc creates a GSS authentication provider, for use with
+// RegisterGSSProvider.
+type NewGSSFunc func() (GSS, error)
+
+var newGSS NewGSSFunc
+
+// RegisterGSSProvider registers a GSS authentication provider. For example, if
+// you need to use Kerberos to authenticate with your server, add this to your
+// main package:
+//
+//	import "github.com/otan/gopgkrb5"
+//
+//	func init() {
+//		pgconn.RegisterGSSProvider(func() (pgconn.GSS, error) { return gopgkrb5.NewGSS() })
+//	}
+func RegisterGSSProvider(newGSSArg NewGSSFunc) {
+	newGSS = newGSSArg
+}
+
+// GSS provides GSSAPI authentication (e.g., Kerberos).
+type GSS interface {
+	GetInitToken(host string, service string) ([]byte, error)
+	GetInitTokenFromSPN(spn string) ([]byte, error)
+	Continue(inToken []byte) (done bool, outToken []byte, err error)
+}
+
+func (c *PgConn) gssAuth() error {
+	if newGSS == nil {
+		return errors.New("kerberos error: no GSSAPI provider registered, see https://github.com/otan/gopgkrb5")
+	}
+	cli, err := newGSS()
+	if err != nil {
+		return err
+	}
+
+	var nextData []byte
+	if c.config.KerberosSpn != "" {
+		// Use the supplied SPN if provided.
+		nextData, err = cli.GetInitTokenFromSPN(c.config.KerberosSpn)
+	} else {
+		// Allow the kerberos service name to be overridden
+		service := "postgres"
+		if c.config.KerberosSrvName != "" {
+			service = c.config.KerberosSrvName
+		}
+		nextData, err = cli.GetInitToken(c.config.Host, service)
+	}
+	if err != nil {
+		return err
+	}
+
+	for {
+		gssResponse := &pgproto3.GSSResponse{
+			Data: nextData,
+		}
+		_, err = c.conn.Write(gssResponse.Encode(nil))
+		if err != nil {
+			return err
+		}
+		resp, err := c.rxGSSContinue()
+		if err != nil {
+			return err
+		}
+		var done bool
+		done, nextData, err = cli.Continue(resp.Data)
+		if err != nil {
+			return err
+		}
+		if done {
+			break
+		}
+	}
+	return nil
+}
+
+func (c *PgConn) rxGSSContinue() (*pgproto3.AuthenticationGSSContinue, error) {
+	msg, err := c.receiveMessage()
+	if err != nil {
+		return nil, err
+	}
+
+	switch m := msg.(type) {
+	case *pgproto3.AuthenticationGSSContinue:
+		return m, nil
+	case *pgproto3.ErrorResponse:
+		return nil, ErrorResponseToPgError(m)
+	}
+
+	return nil, fmt.Errorf("expected AuthenticationGSSContinue message but received unexpected message %T", msg)
+}