Imports github.com/discourse/discourse-auth-proxy/internal/httpproxy github.com/golang/groupcache/lru github.com/namsral/flag github.com/pborman/uuid golang.org/x/time/rate Standard library imports context crypto/hmac crypto/sha256 crypto/tls encoding/base64 encoding/hex errors fmt io log net/http net/http/httputil net/url os strings sync time