/
auth.go
48 lines (41 loc) · 1.11 KB
/
auth.go
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package auth
import (
"context"
"fmt"
"github.com/go-kit/kit/auth/jwt"
"github.com/go-kit/kit/endpoint"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
)
func Middleware(logger log.Logger, providers ...Provider) endpoint.Middleware {
return func(next endpoint.Endpoint) endpoint.Endpoint {
return func(ctx context.Context, request interface{}) (interface{}, error) {
tokenValue := ctx.Value(jwt.JWTContextKey)
// Skip any authorization checks, as there are no providers defined
if len(providers) == 0 {
return next(ctx, request)
}
var err error
if token, ok := tokenValue.(string); ok {
for _, provider := range providers {
err = provider.Verify(ctx, token)
if err != nil {
_ = level.Debug(logger).Log(
"provider", provider,
"msg", "failed to verify token",
"err", err,
)
} else {
_ = level.Debug(logger).Log(
"provider", provider,
"msg", "successfully verified token",
"err", err,
)
return next(ctx, request)
}
}
}
return nil, fmt.Errorf("%w: %v", ErrUnauthorized, err)
}
}
}