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fix(sub): serve a copy-only page when a subscription URL is opened in a browser (#6183)

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* fix(sub): show copy-only page for browser subscription visits

Browser navigation to /sub previously rendered the normal subscription page, which exposed subscription material in page data or raw base64 depending on request headers. Keep VPN clients on the raw subscription body, but classify browser document requests and return a neutral static copy-only HTML page with no embedded share links or page data.

This preserves the C1 LimitIP parser fix in the same master candidate while avoiding a DE rollback of the browser subscription UX.

* fix(sub): keep the themed page for an explicit html request

Only implicit browser navigation is downgraded to the copy-only page. An
operator who appends html=1 or view=html already holds the URL, so the
themed subscription page keeps rendering for them and serveSubPage stays
in use.

* fix(sub): keep browser pages copy-only
This commit is contained in:
n0ctal
2026-08-15 21:18:03 +05:00
committed by GitHub
parent dafd3c0e64
commit 43bc915397
16 changed files with 312 additions and 96 deletions
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internal/sub/info_endpoint_test.go
+27 -4
View File
@@ -118,10 +118,33 @@ func TestSubInfoEndpoint_HTMLPageStillWinsWithoutFormatParam(t *testing.T) {
if ct := w.Header().Get("Content-Type"); !strings.Contains(ct, "text/html") {
t.Fatalf("Content-Type = %q, want text/html for a browser request", ct)
}
if !strings.Contains(w.Body.String(), "__SUB_PAGE_DATA__") {
t.Fatal("browser request must still get the SPA page with injected page data")
if strings.Contains(w.Body.String(), "__SUB_PAGE_DATA__") {
t.Fatal("copy-only browser page must not embed subscription page data")
}
if !strings.Contains(w.Body.String(), `"isOnline":false`) {
t.Fatalf("injected page data must carry isOnline; body=%s", w.Body.String())
if !strings.Contains(w.Body.String(), "This is a subscription link") {
t.Fatalf("browser request did not get the copy-only page; body=%s", w.Body.String())
}
}
func TestExplicitHTMLRequestUsesCopyOnlyPage(t *testing.T) {
gin.SetMode(gin.TestMode)
initSubDB(t)
seedInfoEndpointSub(t, "explicit-html", "explicit@x")
oldDistFS := distFS
distFS = testDistFS
t.Cleanup(func() { distFS = oldDistFS })
router := gin.New()
NewSUBController(router.Group("/"))
req := httptest.NewRequest(http.MethodGet, "/sub/explicit-html?html=1", nil)
req.Host = "sub.example.com"
w := httptest.NewRecorder()
router.ServeHTTP(w, req)
if w.Code != http.StatusOK {
t.Fatalf("status = %d, want 200", w.Code)
}
if strings.Contains(w.Body.String(), "__SUB_PAGE_DATA__") {
t.Fatal("explicit HTML request exposed subscription page data")
}
}