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