DivestOS/Patches/LineageOS-14.1/android_packages_apps_FDroid/0003.patch
2016-12-27 13:37:38 -05:00

95 lines
3.5 KiB
Diff

From c8fa50c18694d35a4c2e334d886056556b35749c Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sun, 20 Nov 2016 05:35:13 -0500
Subject: [PATCH] non-Copperhead system app updates are incompatible
---
.../org/fdroid/fdroid/CompatibilityChecker.java | 42 +++++++++++++++++++++-
1 file changed, 41 insertions(+), 1 deletion(-)
diff --git a/app/src/main/java/org/fdroid/fdroid/CompatibilityChecker.java b/app/src/main/java/org/fdroid/fdroid/CompatibilityChecker.java
index 74d3b0f..f71375f 100644
--- a/app/src/main/java/org/fdroid/fdroid/CompatibilityChecker.java
+++ b/app/src/main/java/org/fdroid/fdroid/CompatibilityChecker.java
@@ -2,18 +2,23 @@
import android.content.Context;
import android.content.SharedPreferences;
+import android.content.pm.ApplicationInfo;
import android.content.pm.FeatureInfo;
import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.Signature;
import android.os.Build;
import android.preference.PreferenceManager;
import android.support.annotation.Nullable;
import android.text.TextUtils;
+import android.util.Log;
import org.fdroid.fdroid.compat.SupportedArchitectures;
import org.fdroid.fdroid.data.Apk;
-
+import org.fdroid.fdroid.Utils;
import java.util.ArrayList;
import java.util.Collections;
+import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
@@ -29,6 +34,7 @@
private final String[] cpuAbis;
private final String cpuAbisDesc;
private final boolean ignoreTouchscreen;
+ private final HashMap<String, String> systemApps;
public CompatibilityChecker(Context ctx) {
@@ -56,6 +62,34 @@ public CompatibilityChecker(Context ctx) {
}
}
+ systemApps = new HashMap<>();
+ for (final ApplicationInfo ai: pm.getInstalledApplications(0)) {
+ Signature sig;
+ try {
+ sig = ctx.getPackageManager().getPackageInfo(
+ ai.packageName, PackageManager.GET_SIGNATURES).signatures[0];
+ } catch (NameNotFoundException e) {
+ continue;
+ }
+ byte[] rawCertBytes = sig.toByteArray();
+
+ final byte[] fdroidSig = new byte[rawCertBytes.length * 2];
+ for (int j = 0; j < rawCertBytes.length; j++) {
+ byte v = rawCertBytes[j];
+ int d = (v >> 4) & 0xF;
+ fdroidSig[j * 2] = (byte) (d >= 10 ? ('a' + d - 10) : ('0' + d));
+ d = v & 0xF;
+ fdroidSig[j * 2 + 1] = (byte) (d >= 10 ? ('a' + d - 10) : ('0' + d));
+ }
+
+ String hash = Utils.hashBytes(fdroidSig, "md5");
+
+ if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0 ||
+ (ai.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) {
+ systemApps.put(ai.packageName, hash);
+ }
+ }
+
cpuAbis = SupportedArchitectures.getAbis();
StringBuilder builder = new StringBuilder();
@@ -119,6 +153,12 @@ private boolean compatibleApi(@Nullable String[] nativecode) {
+ " while your architectures are " + cpuAbisDesc);
}
+ String hash = systemApps.get(apk.packageName);
+ if (hash != null && !hash.equalsIgnoreCase(apk.sig)) {
+ Log.i(TAG, "incompatible system app: " + apk.packageName + " " + hash + " " + apk.sig);
+ Collections.addAll(incompatibleReasons, "Not already installed as a system app");
+ }
+
return incompatibleReasons;
}
}