Hook OplusScreenCapture#setUid on Oplus A15 (#75)

Or surfaceflinger will silently reject screen capture after checking uid.
This commit is contained in:
Wang Han 2024-11-30 21:09:03 +08:00 committed by GitHub
parent 2baedef66f
commit 375469dd23
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2 changed files with 32 additions and 3 deletions

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@ -26,6 +26,7 @@ import io.github.libxposed.api.annotations.XposedHooker;
public class DisableFlagSecure extends XposedModule {
private static final String SYSTEMUI = "com.android.systemui";
private static final String OPLUS_APPPLATFORM = "com.oplus.appplatform";
private static final String OPLUS_SCREENSHOT = "com.oplus.screenshot";
private static final String FLYME_SYSTEMUIEX = "com.flyme.systemuiex";
private static final String MIUI_SCREENSHOT = "com.miui.screenshot";
@ -147,6 +148,17 @@ public class DisableFlagSecure extends XposedModule {
var classLoader = param.getClassLoader();
var pn = param.getPackageName();
switch (pn) {
case OPLUS_SCREENSHOT:
// Oplus Screenshot 15.0.0
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.VANILLA_ICE_CREAM) {
try {
hookOplusScreenCapture(classLoader);
} catch (Throwable t) {
if (!(t instanceof ClassNotFoundException)) {
log("hook OplusScreenCapture failed", t);
}
}
}
case FLYME_SYSTEMUIEX:
case OPLUS_APPPLATFORM:
// Flyme SystemUI Ext 10.3.0
@ -160,10 +172,10 @@ public class DisableFlagSecure extends XposedModule {
}
case SYSTEMUI:
case MIUI_SCREENSHOT:
if (OPLUS_APPPLATFORM.equals(pn) ||
if (OPLUS_APPPLATFORM.equals(pn) || OPLUS_SCREENSHOT.equals(pn) ||
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.S &&
Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE)) {
// ScreenCapture in App (S~T) (OPlus S-U)
// ScreenCapture in App (S~T) (OPlus S-V)
try {
hookScreenCapture(classLoader);
} catch (Throwable t) {
@ -299,6 +311,13 @@ public class DisableFlagSecure extends XposedModule {
hook(method, ReturnFalseHooker.class);
}
@TargetApi(Build.VERSION_CODES.VANILLA_ICE_CREAM)
private void hookOplusScreenCapture(ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException {
var oplusScreenCaptureClazz = classLoader.loadClass("com.oplus.screenshot.OplusScreenCapture$CaptureArgs$Builder");
var method = oplusScreenCaptureClazz.getDeclaredMethod("setUid", long.class);
hook(method, OplusScreenCaptureHooker.class);
}
private void hookOplus(ClassLoader classLoader) throws ClassNotFoundException {
// caller: com.android.server.wm.OplusLongshotWindowDump#dumpWindows
var longshotMainClazz = classLoader.loadClass("com.android.server.wm.OplusLongshotMainWindow");
@ -350,6 +369,15 @@ public class DisableFlagSecure extends XposedModule {
}
}
@XposedHooker
private static class OplusScreenCaptureHooker implements Hooker {
@BeforeInvocation
public static void before(@NonNull BeforeHookCallback callback) {
callback.getArgs()[0] = -1;
}
}
@XposedHooker
private static class ScreenCaptureHooker implements Hooker {

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@ -2,4 +2,5 @@ system
com.android.systemui
com.flyme.systemuiex
com.miui.screenshot
com.oplus.appplatform
com.oplus.appplatform
com.oplus.screenshot