Skip to content

fix(googlenews): spoof the real Google News signing cert (fresh-install sign-in loop) #45

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
docbt wants to merge 1 commit into
base: dev
Choose a base branch
from
Open

fix(googlenews): spoof the real Google News signing cert (fresh-install sign-in loop) #45

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 7 additions & 9 deletions patches/src/main/kotlin/app/docbt/patched_up/googlenews/gms/GmsCoreSupportPatch.kt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -30,8 +30,12 @@ private val COMPAT = Compatibility(
),
)

// SHA-1 of Google's release signing certificate (shared across Google apps).
private const val SPOOFED_PACKAGE_SIGNATURE = "24bb24c05e47e0aefa68a58a766179d9b613a600"
// SHA-1 of the certificate that actually signs Google News (com.google.android.apps.magazines):
// O=Google Inc., CN=Android — the Google "Android" master release cert. Verified against the
// v2 APK signing block of the shipped APK. MicroG RE reports this signature to Google's auth
// backend so a renamed install keeps the original package identity; a wrong value makes the
// backend reject the token grant after login (fresh-install sign-in loop).
private const val SPOOFED_PACKAGE_SIGNATURE = "38918a453d07199354f8b19af05ec6562ced5788"

private val gmsCoreSupportResourcePatch = resourcePatch {
execute {
Expand Down Expand Up @@ -111,13 +115,7 @@ private val ACTIONS = setOf(
"com.google.android.gms.asterism.service.START",
"com.google.android.gms.audiomodem.service.AudioModemService.START",
"com.google.android.gms.audit.service.START",
// NOTE: com.google.android.gms.auth.aang.events.services.START is deliberately
// NOT transformed. The AANG events service (bound via getStartServiceAction() in
// the aang auth client) has no counterpart in MicroG RE, so rewriting it to
// "app.revanced.*" points the bind at a non-existent service and breaks the
// fresh-install account-add return flow (sign-in loops after login). Leaving it
// as "com.google.*" restores the behaviour of the first working releases.
// See regression from commit 7342da2.
"com.google.android.gms.auth.aang.events.services.START",
"com.google.android.gms.auth.account.authapi.START",
"com.google.android.gms.auth.account.authenticator.auto.service.START",
"com.google.android.gms.auth.account.authenticator.chromeos.START",
Expand Down
Loading