Monorepo for Tangled tangled.org

knotserver: redirect handle-path to did-path

this will allow handle based url when cloning from knot over https
usually appview will resolve this before redirecting to the knot

this implementation just redirects to resolved path instead of passing
the entire identity for performance. As we won't want to resolve same
identity twice when proxied by appview.

Signed-off-by: Seongmin Lee <git@boltless.me>

boltless.me 57d2cd55 37ef6248

verified
Changed files
+25
knotserver
+25
knotserver/router.go
··· 5 5 "fmt" 6 6 "log/slog" 7 7 "net/http" 8 + "strings" 8 9 9 10 "github.com/go-chi/chi/v5" 10 11 "tangled.org/core/idresolver" ··· 79 80 }) 80 81 81 82 r.Route("/{did}", func(r chi.Router) { 83 + r.Use(h.resolveDidRedirect) 82 84 r.Route("/{name}", func(r chi.Router) { 83 85 // routes for git operations 84 86 r.Get("/info/refs", h.InfoRefs) ··· 113 115 } 114 116 115 117 return xrpc.Router() 118 + } 119 + 120 + func (h *Knot) resolveDidRedirect(next http.Handler) http.Handler { 121 + return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { 122 + didOrHandle := chi.URLParam(r, "did") 123 + if strings.HasPrefix(didOrHandle, "did:") { 124 + next.ServeHTTP(w, r) 125 + return 126 + } 127 + 128 + trimmed := strings.TrimPrefix(didOrHandle, "@") 129 + id, err := h.resolver.ResolveIdent(r.Context(), trimmed) 130 + if err != nil { 131 + // invalid did or handle 132 + h.l.Error("failed to resolve did/handle", "handle", trimmed, "err", err) 133 + http.Error(w, fmt.Sprintf("failed to resolve did/handle: %s", trimmed), http.StatusInternalServerError) 134 + return 135 + } 136 + 137 + suffix := strings.TrimPrefix(r.URL.Path, "/"+didOrHandle) 138 + newPath := fmt.Sprintf("/%s/%s?%s", id.DID.String(), suffix, r.URL.RawQuery) 139 + http.Redirect(w, r, newPath, http.StatusTemporaryRedirect) 140 + }) 116 141 } 117 142 118 143 func (h *Knot) configureOwner() error {