Merge pull request 'feat: extend webfinger to respond to profile page URIs' (#2883) from realaravinth/forgejo:cb-2870 into forgejo

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2883
Reviewed-by: Gusted <gusted@noreply.codeberg.org>

routers/web/webfinger.go

@@ -64,6 +64,63 @@ func WebfingerQuery(ctx *context.Context) {
 		if u != nil && u.KeepEmailPrivate {
 			err = user_model.ErrUserNotExist{}
 		}
+	case "https", "http":
+		if resource.Host != appURL.Host {
+			ctx.Error(http.StatusBadRequest)
+			return
+		}
+
+		p := strings.Trim(resource.Path, "/")
+		if len(p) == 0 {
+			ctx.Error(http.StatusNotFound)
+			return
+		}
+
+		parts := strings.Split(p, "/")
+
+		switch len(parts) {
+		case 1: // user
+			u, err = user_model.GetUserByName(ctx, parts[0])
+		case 2: // repository
+			ctx.Error(http.StatusNotFound)
+			return
+
+		case 3:
+			switch parts[2] {
+			case "issues":
+				ctx.Error(http.StatusNotFound)
+				return
+
+			case "pulls":
+				ctx.Error(http.StatusNotFound)
+				return
+
+			case "projects":
+				ctx.Error(http.StatusNotFound)
+				return
+
+			default:
+				ctx.Error(http.StatusNotFound)
+				return
+
+			}
+		case 4:
+			//nolint:gocritic
+			if parts[3] == "teams" {
+				ctx.Error(http.StatusNotFound)
+				return
+
+			} else {
+				ctx.Error(http.StatusNotFound)
+				return
+			}
+
+		default:
+			ctx.Error(http.StatusNotFound)
+			return
+
+		}
+
 	default:
 		ctx.Error(http.StatusBadRequest)
 		return

tests/integration/webfinger_test.go

@@ -66,4 +66,19 @@ func TestWebfinger(t *testing.T) {
 
 	req = NewRequest(t, "GET", fmt.Sprintf("/.well-known/webfinger?resource=mailto:%s", user.Email))
 	MakeRequest(t, req, http.StatusNotFound)
+
+	req = NewRequest(t, "GET", fmt.Sprintf("/.well-known/webfinger?resource=https://%s/%s/", appURL.Host, user.Name))
+	session.MakeRequest(t, req, http.StatusOK)
+
+	req = NewRequest(t, "GET", fmt.Sprintf("/.well-known/webfinger?resource=https://%s/%s", appURL.Host, user.Name))
+	session.MakeRequest(t, req, http.StatusOK)
+
+	req = NewRequest(t, "GET", fmt.Sprintf("/.well-known/webfinger?resource=http://%s/%s/foo", appURL.Host, user.Name))
+	session.MakeRequest(t, req, http.StatusNotFound)
+
+	req = NewRequest(t, "GET", fmt.Sprintf("/.well-known/webfinger?resource=http://%s", appURL.Host))
+	MakeRequest(t, req, http.StatusNotFound)
+
+	req = NewRequest(t, "GET", fmt.Sprintf("/.well-known/webfinger?resource=http://%s/%s/foo", "example.com", user.Name))
+	MakeRequest(t, req, http.StatusBadRequest)
 }