| 1 | package tinyclient |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "net/http" |
| 7 | "strings" |
| 8 | |
| 9 | "github.com/FelineStateMachine/tinyrelay/internal/policy" |
| 10 | ) |
| 11 | |
| 12 | // PrivateReader is implemented by the daemon so web pages use the same |
| 13 | // membership check as websocket and HTTP data paths. It is optional to keep |
| 14 | // webui usable with small embedders; those embedders get owner-only fallback. |
| 15 | type PrivateReader interface { |
| 16 | ReadAllowed(context.Context, string) error |
| 17 | } |
| 18 | |
| 19 | func privatePolicyEnabled(p policy.Policy) bool { return p.Features.Grasp08 } |
| 20 | |
| 21 | func privateShellPath(path string) bool { |
| 22 | if path == "/" || path == "/signin" || path == "/account" || path == "/manage/connect" { |
| 23 | return true |
| 24 | } |
| 25 | if path == "/manage/rpc" || path == "/manage/jobs/status" { |
| 26 | return false |
| 27 | } |
| 28 | return strings.HasPrefix(path, "/manage/" ) && !strings.HasSuffix(path, ".json" ) |
| 29 | } |
| 30 | |
| 31 | func privateProtectedPath(path string) bool { |
| 32 | if privateShellPath(path) || path == "/webmcp.js" || path == "/signer.js" || path == "/fixi.js" || path == "/qr.svg" || path == "/sw.js" || path == "/manifest.webmanifest" || path == "/icon.svg" || path == "/icon-mono.svg" { |
| 33 | return false |
| 34 | } |
| 35 | return true |
| 36 | } |
| 37 | |
| 38 | func (a *App) privateReadAllowed(request *http.Request, actor string) error { |
| 39 | if actor == "" { |
| 40 | return errors.New("auth-required: private relay membership required" ) |
| 41 | } |
| 42 | if reader, ok := a.backend.(PrivateReader); ok { |
| 43 | return reader.ReadAllowed(request.Context(), actor) |
| 44 | } |
| 45 | if actor != a.backend.Policy().Owner { |
| 46 | return errors.New("restricted: private relay membership required" ) |
| 47 | } |
| 48 | return nil |
| 49 | } |
| 50 | |
| 51 | func (a *App) denyPrivateEndpoint(writer http.ResponseWriter, request *http.Request) bool { |
| 52 | if !privatePolicyEnabled(a.backend.Policy()) || !privateProtectedPath(request.URL.Path) { |
| 53 | return false |
| 54 | } |
| 55 | actor, err := a.resolveActor(request) |
| 56 | if err != nil || actor == "" { |
| 57 | writer.Header().Set("Cache-Control" , "private, no-store" ) |
| 58 | http.Error(writer, "authentication required" , http.StatusUnauthorized) |
| 59 | return true |
| 60 | } |
| 61 | if err := a.privateReadAllowed(request, actor); err != nil { |
| 62 | writer.Header().Set("Cache-Control" , "private, no-store" ) |
| 63 | http.Error(writer, err.Error(), http.StatusForbidden) |
| 64 | return true |
| 65 | } |
| 66 | return false |
| 67 | } |
| 68 | |
| 69 | func (a *App) privatePageData(data *PageData, request *http.Request, actor string) { |
| 70 | if !privatePolicyEnabled(data.Policy) || !privateShellPath(request.URL.Path) { |
| 71 | return |
| 72 | } |
| 73 | if err := a.privateReadAllowed(request, actor); err == nil { |
| 74 | return |
| 75 | } |
| 76 | data.Private = true |
| 77 | data.Title = "Private relay" |
| 78 | data.Slug = "private relay" |
| 79 | data.URL = "" |
| 80 | data.Identity = "" |
| 81 | data.Policy = policy.Policy{} |
| 82 | data.Actor = "" |
| 83 | data.Owner = false |
| 84 | data.Event = nil |
| 85 | data.Feed = nil |
| 86 | data.Methods = nil |
| 87 | } |
