diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml new file mode 100644 index 0000000..a51d38f --- /dev/null +++ b/.github/ISSUE_TEMPLATE/bug_report.yml @@ -0,0 +1,52 @@ +name: Bug report +description: Report errors or unexpected behavior. +labels: [bug] +body: + - type: markdown + attributes: + value: | + To make it easier for us to help you please enter detailed information below. + - type: input + attributes: + label: LSPosed version + description: Only official LSPosed is supported. Don't use 'latest'. Specify actual version with 4 digits. + validations: + required: true + - type: input + attributes: + label: Android version + validations: + required: true + - type: input + attributes: + label: Custom OS version + validations: + required: true + - type: checkboxes + id: latest + attributes: + label: Version requirement + options: + - label: I am using latest debug CI version + required: true + - type: textarea + attributes: + label: Behavior + description: Please describe the behavior when trying to screenshot. + placeholder: The screenshot is black. / Cannot screenshot with error notification or toast. + validations: + required: true + - type: textarea + attributes: + label: Logs + description: Please provide the log zip saved from manager. + placeholder: Upload logs zip by clicking the bar on the bottom. + validations: + required: true + - type: textarea + attributes: + label: Framework, Services, and Screenshot App + description: Please upload your /system/framework/framework.jar, services.jar, and the screenshot app of your ROM(on AOSP, it's System UI), compressed in a zip file. If the file size is too large to fit GitHub's limit, please upload it to https://catbox.moe and provide the link. + placeholder: Upload by clicking the bar on the bottom. + validations: + required: true diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml index c7970e8..3ba13e0 100644 --- a/.github/ISSUE_TEMPLATE/config.yml +++ b/.github/ISSUE_TEMPLATE/config.yml @@ -1,5 +1 @@ blank_issues_enabled: false -contact_links: - - name: Report issues here - url: https://github.com/LSPosed/DisableFlagSecure/issues - about: https://github.com/LSPosed/DisableFlagSecure diff --git a/.github/dependabot.yml b/.github/dependabot.yml new file mode 100644 index 0000000..292a375 --- /dev/null +++ b/.github/dependabot.yml @@ -0,0 +1,24 @@ +version: 2 +updates: + - package-ecosystem: gradle + directory: "/" + schedule: + interval: daily + time: "21:00" + open-pull-requests-limit: 10 + target-branch: main + registries: + - maven-google + - gralde-plugin + - package-ecosystem: "github-actions" + directory: "/" + schedule: + interval: "weekly" + +registries: + maven-google: + type: maven-repository + url: "https://dl.google.com/dl/android/maven2/" + gralde-plugin: + type: maven-repository + url: "https://plugins.gradle.org/m2/" diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml new file mode 100644 index 0000000..7c946d4 --- /dev/null +++ b/.github/workflows/android.yml @@ -0,0 +1,62 @@ +name: Android CI + +on: + push: + pull_request: + workflow_dispatch: + +jobs: + build: + + runs-on: ubuntu-latest + + steps: + - uses: actions/checkout@v4 + with: + fetch-depth: 0 + + - name: Checkout libxposed/api + uses: actions/checkout@v4 + with: + repository: libxposed/api + ref: a42f85d06eac3373d266a534ab3b31a584b30774 + path: libxposed/api + fetch-depth: 0 + + - name: set up JDK 17 + uses: actions/setup-java@v4 + with: + java-version: '17' + distribution: 'temurin' + cache: gradle + + - name: Write key + if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main' + run: | + if [ ! -z "${{ secrets.SIGNING_KEY }}" ]; then + echo storePassword='${{ secrets.KEY_STORE_PASSWORD }}' >> local.properties + echo keyAlias='${{ secrets.ALIAS }}' >> local.properties + echo keyPassword='${{ secrets.KEY_PASSWORD }}' >> local.properties + echo storeFile='key.jks' >> local.properties + echo ${{ secrets.SIGNING_KEY }} | base64 --decode > key.jks + fi + + - name: Build with Gradle + run: | + # gradle properties + mkdir -p ~/.gradle + echo 'org.gradle.caching=true' >> ~/.gradle/gradle.properties + echo 'org.gradle.parallel=true' >> ~/.gradle/gradle.properties + echo 'org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 -XX:+UseParallelGC' >> ~/.gradle/gradle.properties + echo 'android.native.buildOutput=verbose' >> ~/.gradle/gradle.properties + # build dependencies + cd libxposed/api && ./gradlew publishToMavenLocal && cd ../.. + # build DisableFlagSecure + chmod +x gradlew + ./gradlew assembleRelease assembleDebug + + - name: Upload artifact + uses: actions/upload-artifact@v4 + with: + name: Signed app bundle + path: app/build/outputs/apk diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..cf53903 --- /dev/null +++ b/.gitignore @@ -0,0 +1,16 @@ +*.iml +.gradle +/local.properties +/.idea/caches +/.idea/libraries +/.idea/modules.xml +/.idea/workspace.xml +/.idea/navEditor.xml +/.idea/assetWizardSettings.xml +.DS_Store +/build +/captures +.externalNativeBuild +.cxx +local.properties +/.idea/* \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If the +Program specifies that a certain numbered version of the GNU General +Public License "or any later version" applies to it, you have the +option of following the terms and conditions either of that numbered +version or of any later version published by the Free Software +Foundation. If the Program does not specify a version number of the +GNU General Public License, you may choose any version ever published +by the Free Software Foundation. + + If the Program specifies that a proxy can decide which future +versions of the GNU General Public License can be used, that proxy's +public statement of acceptance of a version permanently authorizes you +to choose that version for the Program. + + Later license versions may give you additional or different +permissions. However, no additional obligations are imposed on any +author or copyright holder as a result of your choosing to follow a +later version. + + 15. Disclaimer of Warranty. + + THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY +OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, +THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM +IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF +ALL NECESSARY SERVICING, REPAIR OR CORRECTION. + + 16. Limitation of Liability. + + IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS +THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY +GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE +USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF +DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD +PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), +EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGES. + + 17. Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/app/.gitignore b/app/.gitignore new file mode 100644 index 0000000..67aaf57 --- /dev/null +++ b/app/.gitignore @@ -0,0 +1,3 @@ +/build +/release +/debug \ No newline at end of file diff --git a/app/build.gradle b/app/build.gradle new file mode 100644 index 0000000..7a5421b --- /dev/null +++ b/app/build.gradle @@ -0,0 +1,66 @@ +plugins { + id 'com.android.application' +} + +android { + compileSdk 34 + buildToolsVersion "34.0.0" + + defaultConfig { + applicationId "io.github.lsposed.disableflagsecure" + minSdkVersion 24 + targetSdkVersion 34 + versionCode rootProject.ext.commitCount + versionName "4.0.1" + } + + Properties localProperties = new Properties() + if (project.rootProject.file('local.properties').exists()) { + localProperties.load(project.rootProject.file('local.properties').newDataInputStream()) + } + + signingConfigs { + if (localProperties.getProperty("storeFile") != null) { + config { + storeFile project.rootProject.file(localProperties.getProperty("storeFile")) + storePassword localProperties.getProperty("storePassword") + keyAlias localProperties.getProperty("keyAlias") + keyPassword localProperties.getProperty("keyPassword") + } + } + } + + buildTypes { + debug { + if (localProperties.getProperty("storeFile") != null) { + signingConfig signingConfigs.config + } + } + release { + if (localProperties.getProperty("storeFile") != null) { + signingConfig signingConfigs.config + } else { + signingConfig signingConfigs.debug + } + minifyEnabled true + proguardFiles 'proguard-rules.pro' + } + } + + compileOptions { + sourceCompatibility JavaVersion.VERSION_17 + targetCompatibility JavaVersion.VERSION_17 + } + + lint { + checkReleaseBuilds false + } + + dependenciesInfo.includeInApk false + namespace 'io.github.lsposed.disableflagsecure' +} + +dependencies { + compileOnly 'androidx.annotation:annotation:1.8.0' + compileOnly 'io.github.libxposed:api:100' +} diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro new file mode 100644 index 0000000..703a1b1 --- /dev/null +++ b/app/proguard-rules.pro @@ -0,0 +1,15 @@ +-adaptresourcefilecontents META-INF/xposed/java_init.list +-keepattributes RuntimeVisibleAnnotations + +-keep,allowobfuscation,allowoptimization public class * extends io.github.libxposed.api.XposedModule { + public (...); + public void onPackageLoaded(...); + public void onSystemServerLoaded(...); +} +-keep,allowoptimization,allowobfuscation @io.github.libxposed.api.annotations.* class * { + @io.github.libxposed.api.annotations.BeforeInvocation ; + @io.github.libxposed.api.annotations.AfterInvocation ; +} + +-repackageclasses +-allowaccessmodification \ No newline at end of file diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..9378f9c --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,12 @@ + + + + + + \ No newline at end of file diff --git a/app/src/main/java/io/github/lsposed/disableflagsecure/DisableFlagSecure.java b/app/src/main/java/io/github/lsposed/disableflagsecure/DisableFlagSecure.java new file mode 100644 index 0000000..2580a1d --- /dev/null +++ b/app/src/main/java/io/github/lsposed/disableflagsecure/DisableFlagSecure.java @@ -0,0 +1,424 @@ +package io.github.lsposed.disableflagsecure; + +import android.annotation.SuppressLint; +import android.annotation.TargetApi; +import android.app.Activity; +import android.app.AlertDialog; +import android.hardware.display.DisplayManager; +import android.os.Build; +import android.util.Log; +import android.view.SurfaceControl; + +import androidx.annotation.NonNull; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.util.Arrays; +import java.util.function.BiConsumer; +import java.util.function.BiPredicate; + +import io.github.libxposed.api.XposedInterface; +import io.github.libxposed.api.XposedModule; +import io.github.libxposed.api.annotations.BeforeInvocation; +import io.github.libxposed.api.annotations.XposedHooker; + +@SuppressLint({"PrivateApi", "BlockedPrivateApi"}) +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 FLYME_SYSTEMUIEX = "com.flyme.systemuiex"; + private static final String MIUI_SCREENSHOT = "com.miui.screenshot"; + + private static XposedModule module; + + public DisableFlagSecure(XposedInterface base, ModuleLoadedParam param) { + super(base, param); + module = this; + } + + @Override + public void onSystemServerLoaded(@NonNull SystemServerLoadedParam param) { + var classLoader = param.getClassLoader(); + + try { + deoptimizeSystemServer(classLoader); + } catch (Throwable t) { + log("deoptimize system server failed", t); + } + + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) { + // Screenshot detection (U) + try { + hookActivityTaskManagerService(classLoader); + } catch (Throwable t) { + log("hook ActivityTaskManagerService failed", t); + } + + // Xiaomi HyperOS (U) + try { + hookHyperOS(classLoader); + } catch (ClassNotFoundException ignored) { + } catch (Throwable t) { + log("hook HyperOS failed", t); + } + } + + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { + // ScreenCapture in WindowManagerService (S~U) + try { + hookScreenCapture(classLoader); + } catch (Throwable t) { + log("hook ScreenCapture failed", t); + } + + if (Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE) { + // Blackout permission check (S~T) + try { + hookActivityManagerService(classLoader); + } catch (Throwable t) { + log("hook ActivityManagerService failed", t); + } + } + + // WifiDisplay (S~U) / OverlayDisplay (S~U) / VirtualDisplay (U) + try { + hookDisplayControl(classLoader); + } catch (Throwable t) { + log("hook DisplayControl failed", t); + } + + // VirtualDisplay with MediaProjection (S~U) + try { + hookVirtualDisplayAdapter(classLoader); + } catch (Throwable t) { + log("hook VirtualDisplayAdapter failed", t); + } + } + + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { + // OneUI + try { + hookScreenshotHardwareBuffer(classLoader); + } catch (Throwable t) { + if (!(t instanceof ClassNotFoundException)) { + log("hook ScreenshotHardwareBuffer failed", t); + } + } + try { + hookOneUI(classLoader); + } catch (Throwable t) { + if (!(t instanceof ClassNotFoundException)) { + log("hook OneUI failed", t); + } + } + } + + // secureLocked flag (S-) + try { + // Screenshot + hookWindowState(classLoader); + } catch (Throwable t) { + log("hook WindowState failed", t); + } + + // oplus dumpsys + // dumpsys window screenshot systemQuickTileScreenshotOut display_id=0 + try { + hookOplus(classLoader); + } catch (Throwable ignored) { + + } + } + + @SuppressLint("PrivateApi") + @Override + public void onPackageLoaded(@NonNull PackageLoadedParam param) { + if (!param.isFirstPackage()) return; + + var classLoader = param.getClassLoader(); + var pn = param.getPackageName(); + switch (pn) { + case FLYME_SYSTEMUIEX: + case OPLUS_APPPLATFORM: + // Flyme SystemUI Ext 10.3.0 + // OPlus AppPlatform 13.1.0 / 14.0.0 + try { + hookScreenshotHardwareBuffer(classLoader); + } catch (Throwable t) { + if (!(t instanceof ClassNotFoundException)) { + log("hook ScreenshotHardwareBuffer failed", t); + } + } + case SYSTEMUI: + case MIUI_SCREENSHOT: + if (OPLUS_APPPLATFORM.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) + try { + hookScreenCapture(classLoader); + } catch (Throwable t) { + log("hook ScreenCapture failed", t); + } + } + break; + default: + try { + hookOnResume(); + } catch (Throwable ignored) { + } + } + } + + private void deoptimizeSystemServer(ClassLoader classLoader) throws ClassNotFoundException { + deoptimizeMethods( + classLoader.loadClass("com.android.server.wm.WindowStateAnimator"), + "createSurfaceLocked"); + + deoptimizeMethods( + classLoader.loadClass("com.android.server.wm.WindowManagerService"), + "relayoutWindow"); + + for (int i = 0; i < 20; i++) { + try { + var clazz = classLoader.loadClass("com.android.server.wm.RootWindowContainer$$ExternalSyntheticLambda" + i); + if (BiConsumer.class.isAssignableFrom(clazz)) { + deoptimizeMethods(clazz, "accept"); + } + } catch (ClassNotFoundException ignored) { + } + try { + var clazz = classLoader.loadClass("com.android.server.wm.DisplayContent$" + i); + if (BiPredicate.class.isAssignableFrom(clazz)) { + deoptimizeMethods(clazz, "test"); + } + } catch (ClassNotFoundException ignored) { + } + } + } + + private void deoptimizeMethods(Class clazz, String... names) { + var list = Arrays.asList(names); + Arrays.stream(clazz.getDeclaredMethods()) + .filter(method -> list.contains(method.getName())) + .forEach(this::deoptimize); + } + + private void hookWindowState(ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException { + var windowStateClazz = classLoader.loadClass("com.android.server.wm.WindowState"); + Method isSecureLockedMethod; + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) { + isSecureLockedMethod = windowStateClazz.getDeclaredMethod("isSecureLocked"); + } else { + var windowManagerServiceClazz = classLoader.loadClass("com.android.server.wm.WindowManagerService"); + isSecureLockedMethod = windowManagerServiceClazz.getDeclaredMethod("isSecureLocked", windowStateClazz); + } + hook(isSecureLockedMethod, SecureLockedHooker.class); + } + + private static Field captureSecureLayersField; + + @TargetApi(Build.VERSION_CODES.S) + private void hookScreenCapture(ClassLoader classLoader) throws ClassNotFoundException, NoSuchFieldException { + var screenCaptureClazz = Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE ? + classLoader.loadClass("android.window.ScreenCapture") : + SurfaceControl.class; + var captureArgsClazz = classLoader.loadClass(Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE ? + "android.window.ScreenCapture$CaptureArgs" : + "android.view.SurfaceControl$CaptureArgs"); + captureSecureLayersField = captureArgsClazz.getDeclaredField("mCaptureSecureLayers"); + captureSecureLayersField.setAccessible(true); + hookMethods(screenCaptureClazz, ScreenCaptureHooker.class, "nativeCaptureDisplay"); + hookMethods(screenCaptureClazz, ScreenCaptureHooker.class, "nativeCaptureLayers"); + } + + @TargetApi(Build.VERSION_CODES.S) + private void hookDisplayControl(ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException { + var displayControlClazz = Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE ? + classLoader.loadClass("com.android.server.display.DisplayControl") : + SurfaceControl.class; + var method = displayControlClazz.getDeclaredMethod("createDisplay", String.class, boolean.class); + hook(method, CreateDisplayHooker.class); + } + + @TargetApi(Build.VERSION_CODES.S) + private void hookVirtualDisplayAdapter(ClassLoader classLoader) throws ClassNotFoundException { + var displayControlClazz = classLoader.loadClass("com.android.server.display.VirtualDisplayAdapter"); + hookMethods(displayControlClazz, CreateVirtualDisplayLockedHooker.class, "createVirtualDisplayLocked"); + } + + @TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE) + private void hookActivityTaskManagerService(ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException { + var activityTaskManagerServiceClazz = classLoader.loadClass("com.android.server.wm.ActivityTaskManagerService"); + var iBinderClazz = classLoader.loadClass("android.os.IBinder"); + var iScreenCaptureObserverClazz = classLoader.loadClass("android.app.IScreenCaptureObserver"); + var method = activityTaskManagerServiceClazz.getDeclaredMethod("registerScreenCaptureObserver", iBinderClazz, iScreenCaptureObserverClazz); + hook(method, ReturnNullHooker.class); + } + + @TargetApi(Build.VERSION_CODES.S) + private void hookActivityManagerService(ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException { + var activityTaskManagerServiceClazz = classLoader.loadClass("com.android.server.am.ActivityManagerService"); + var method = activityTaskManagerServiceClazz.getDeclaredMethod("checkPermission", String.class, int.class, int.class); + hook(method, CheckPermissionHooker.class); + } + + @TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE) + private void hookHyperOS(ClassLoader classLoader) throws ClassNotFoundException { + var windowManagerServiceImplClazz = classLoader.loadClass("com.android.server.wm.WindowManagerServiceImpl"); + hookMethods(windowManagerServiceImplClazz, ReturnFalseHooker.class, "notAllowCaptureDisplay"); + } + + @TargetApi(Build.VERSION_CODES.S) + private void hookScreenshotHardwareBuffer(ClassLoader classLoader) throws ClassNotFoundException, NoSuchMethodException { + var screenshotHardwareBufferClazz = classLoader.loadClass( + Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE ? + "android.window.ScreenCapture$ScreenshotHardwareBuffer" : + "android.view.SurfaceControl$ScreenshotHardwareBuffer"); + var method = screenshotHardwareBufferClazz.getDeclaredMethod("containsSecureLayers"); + hook(method, ReturnFalseHooker.class); + } + + private void hookOplus(ClassLoader classLoader) throws ClassNotFoundException { + // caller: com.android.server.wm.OplusLongshotWindowDump#dumpWindows + var longshotMainClazz = classLoader.loadClass("com.android.server.wm.OplusLongshotMainWindow"); + hookMethods(longshotMainClazz, ReturnFalseHooker.class, "hasSecure"); + } + + @TargetApi(Build.VERSION_CODES.S) + private void hookOneUI(ClassLoader classLoader) throws ClassNotFoundException { + var wmScreenshotControllerClazz = classLoader.loadClass("com.android.server.wm.WmScreenshotController"); + hookMethods(wmScreenshotControllerClazz, ReturnTrueHooker.class, "canBeScreenshotTarget"); + } + + private void hookMethods(Class clazz, Class hooker, String... names) { + var list = Arrays.asList(names); + Arrays.stream(clazz.getDeclaredMethods()) + .filter(method -> list.contains(method.getName())) + .forEach(method -> hook(method, hooker)); + } + + private void hookOnResume() throws NoSuchMethodException { + var method = Activity.class.getDeclaredMethod("onResume"); + hook(method, ToastHooker.class); + } + + @XposedHooker + private static class CreateDisplayHooker implements Hooker { + + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + if (Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE) { + String stack = Log.getStackTraceString(new Throwable()); + if (stack.contains("createVirtualDisplayLocked")) { + return; + } + } + callback.getArgs()[1] = true; + } + } + + @XposedHooker + private static class CheckPermissionHooker implements Hooker { + + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + var permission = callback.getArgs()[0]; + if ("android.permission.CAPTURE_BLACKOUT_CONTENT".equals(permission)) { + callback.getArgs()[0] = "android.permission.READ_FRAME_BUFFER"; + } + } + } + + @XposedHooker + private static class ScreenCaptureHooker implements Hooker { + + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + var captureArgs = callback.getArgs()[0]; + try { + captureSecureLayersField.set(captureArgs, true); + } catch (IllegalAccessException t) { + module.log("ScreenCaptureHooker failed", t); + } + } + } + + @XposedHooker + private static class CreateVirtualDisplayLockedHooker implements Hooker { + + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + var caller = (int) callback.getArgs()[2]; + if (caller != 1000 && callback.getArgs()[1] == null) { + // not os and not media projection + return; + } + for (int i = 3; i < callback.getArgs().length; i++) { + var arg = callback.getArgs()[i]; + if (arg instanceof Integer) { + var flags = (int) arg; + flags |= DisplayManager.VIRTUAL_DISPLAY_FLAG_SECURE; + callback.getArgs()[i] = flags; + return; + } + } + module.log("flag not found in CreateVirtualDisplayLockedHooker"); + } + } + + @XposedHooker + private static class SecureLockedHooker implements Hooker { + + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { + String stack = Log.getStackTraceString(new Throwable()); + // don't change surface flags, but passing other checks + if (stack.contains("setInitialSurfaceControlProperties") + || stack.contains("createSurfaceLocked")) { + return; + } + } + callback.returnAndSkip(false); + } + } + + @XposedHooker + private static class ReturnTrueHooker implements Hooker { + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + callback.returnAndSkip(true); + } + } + + @XposedHooker + private static class ReturnFalseHooker implements Hooker { + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + callback.returnAndSkip(false); + } + } + + @XposedHooker + private static class ReturnNullHooker implements Hooker { + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + callback.returnAndSkip(null); + } + } + + @XposedHooker + private static class ToastHooker implements Hooker { + @BeforeInvocation + public static void before(@NonNull BeforeHookCallback callback) { + var activity = (Activity) callback.getThisObject(); + new AlertDialog.Builder(activity) + .setTitle("Enable Screenshot") + .setMessage("Incorrect module usage, remove this app from scope.") + .setCancelable(false) + .setPositiveButton("OK", (dialog, which) -> System.exit(0)) + .show(); + } + } +} diff --git a/app/src/main/res/values-v34/strings.xml b/app/src/main/res/values-v34/strings.xml new file mode 100644 index 0000000..3e55158 --- /dev/null +++ b/app/src/main/res/values-v34/strings.xml @@ -0,0 +1,3 @@ + + Enabling screenshots in apps that normally wouldn\'t allow it and disabling screenshot detection. + diff --git a/app/src/main/res/values-zh-rCN-v34/strings.xml b/app/src/main/res/values-zh-rCN-v34/strings.xml new file mode 100644 index 0000000..69d4c64 --- /dev/null +++ b/app/src/main/res/values-zh-rCN-v34/strings.xml @@ -0,0 +1,4 @@ + + + 在通常不允许截图的应用中启用屏幕截图并禁用截图检测。 + diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml new file mode 100644 index 0000000..c64ddf5 --- /dev/null +++ b/app/src/main/res/values-zh-rCN/strings.xml @@ -0,0 +1,5 @@ + + + 启用截图 + 在通常不允许截图的应用中启用屏幕截图。 + diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml new file mode 100644 index 0000000..e41c48c --- /dev/null +++ b/app/src/main/res/values/strings.xml @@ -0,0 +1,4 @@ + + Enable Screenshot + Enabling screenshots in apps that normally wouldn\'t allow it. + diff --git a/app/src/main/resources/META-INF/xposed/java_init.list b/app/src/main/resources/META-INF/xposed/java_init.list new file mode 100644 index 0000000..01a65df --- /dev/null +++ b/app/src/main/resources/META-INF/xposed/java_init.list @@ -0,0 +1 @@ +io.github.lsposed.disableflagsecure.DisableFlagSecure \ No newline at end of file diff --git a/app/src/main/resources/META-INF/xposed/module.prop b/app/src/main/resources/META-INF/xposed/module.prop new file mode 100644 index 0000000..7b600f7 --- /dev/null +++ b/app/src/main/resources/META-INF/xposed/module.prop @@ -0,0 +1,3 @@ +minApiVersion=100 +targetApiVersion=100 +staticScope=true \ No newline at end of file diff --git a/app/src/main/resources/META-INF/xposed/scope.list b/app/src/main/resources/META-INF/xposed/scope.list new file mode 100644 index 0000000..540c1d3 --- /dev/null +++ b/app/src/main/resources/META-INF/xposed/scope.list @@ -0,0 +1,5 @@ +system +com.android.systemui +com.flyme.systemuiex +com.miui.screenshot +com.oplus.appplatform \ No newline at end of file diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..1f65f22 --- /dev/null +++ b/build.gradle @@ -0,0 +1,11 @@ +plugins { + id 'com.android.application' version '8.5.0' apply false + id 'org.lsposed.lsplugin.jgit' version "1.1" +} + +tasks.register('clean', Delete) { + delete rootProject.buildDir +} + +var repo = jgit.repo(true) +ext.commitCount = repo.commitCount('refs/remotes/origin/main') \ No newline at end of file diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..0cb0827 --- /dev/null +++ b/gradle.properties @@ -0,0 +1,24 @@ +# Project-wide Gradle settings. +# IDE (e.g. Android Studio) users: +# Gradle settings configured through the IDE *will override* +# any settings specified in this file. +# For more details on how to configure your build environment visit +# http://www.gradle.org/docs/current/userguide/build_environment.html +# Specifies the JVM arguments used for the daemon process. +# The setting is particularly useful for tweaking memory settings. +# org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 +# When configured, Gradle will run in incubating parallel mode. +# This option should only be used with decoupled projects. More details, visit +# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects +# org.gradle.parallel=true +# AndroidX package structure to make it clearer which packages are bundled with the +# Android operating system, and which are packaged with your app"s APK +# https://developer.android.com/topic/libraries/support-library/androidx-rn +android.useAndroidX=true +android.nonTransitiveRClass=true +android.enableAppCompileTimeRClass=true +android.enableR8.fullMode=true +android.experimental.enableNewResourceShrinker=true +android.experimental.enableNewResourceShrinker.preciseShrinking=true +android.defaults.buildfeatures.buildconfig=false +android.nonFinalResIds=false diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..e644113 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..b82aa23 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..1aa94a4 --- /dev/null +++ b/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..7101f8e --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..01601e5 --- /dev/null +++ b/settings.gradle @@ -0,0 +1,21 @@ +pluginManagement { + repositories { + gradlePluginPortal() + google() + mavenCentral() + } +} +dependencyResolutionManagement { + repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) + repositories { + google() + mavenCentral() + mavenLocal { + content { + includeGroup("io.github.libxposed") + } + } + } +} +rootProject.name = "DisableFlagSecure" +include ':app'