From eb9081b95205682f44eb84f8b5fc5170f37fb850 Mon Sep 17 00:00:00 2001
From: M66B <marcel@faircode.eu>
Date: Sun, 29 Jun 2014 16:39:44 +0200
Subject: [PATCH] Added restriction for camera2 device (Android "L")

Refs #1757
---
 CHANGELOG.md                                  |  1 +
 src/biz/bokhorst/xprivacy/Meta.java           |  4 ++
 src/biz/bokhorst/xprivacy/XCameraDevice2.java | 56 +++++++++++++++++++
 src/biz/bokhorst/xprivacy/XPrivacy.java       |  3 +
 4 files changed, 64 insertions(+)
 create mode 100644 src/biz/bokhorst/xprivacy/XCameraDevice2.java

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a0271cde..d8fa22b44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,7 @@ Changelog
 * Added parameter user agent to *getUserAgentString*
 * Added parameter device name to *USB.getDeviceId*
 * Added white list to *getAllByName*, *getByAddress* and *getByName*
+* Added restriction for camera2 device (Android "L") ([issue](/../../issues/1757))
 * Updated Italian translation
 
 [Open issues](https://github.com/M66B/XPrivacy/issues?state=open)
diff --git a/src/biz/bokhorst/xprivacy/Meta.java b/src/biz/bokhorst/xprivacy/Meta.java
index 3075e747e..46360fe6c 100644
--- a/src/biz/bokhorst/xprivacy/Meta.java
+++ b/src/biz/bokhorst/xprivacy/Meta.java
@@ -197,6 +197,10 @@ public static List<Hook> get() {
 		mListHook.add(new Hook("media", "android.media.action.IMAGE_CAPTURE", "CAMERA", 3, null, null).doNotify());
 		mListHook.add(new Hook("media", "android.media.action.IMAGE_CAPTURE_SECURE", "CAMERA", 17, null, null).doNotify());
 		mListHook.add(new Hook("media", "android.media.action.VIDEO_CAPTURE", "CAMERA", 3, null, null).doNotify());
+		mListHook.add(new Hook("media", "Camera2.capture", "CAMERA", 20, null, null).doNotify());
+		mListHook.add(new Hook("media", "Camera2.captureBurst", "CAMERA", 20, null, null).doNotify());
+		mListHook.add(new Hook("media", "Camera2.setRepeatingRequest", "CAMERA", 20, null, null).doNotify());
+		mListHook.add(new Hook("media", "Camera2.setRepeatingBurst", "CAMERA", 20, null, null).doNotify());
 
 		mListHook.add(new Hook("messages", "getAllMessagesFromIcc", "RECEIVE_SMS", 10, null, null));
 		mListHook.add(new Hook("messages", "SmsProvider", "READ_SMS", 1, null, null));
diff --git a/src/biz/bokhorst/xprivacy/XCameraDevice2.java b/src/biz/bokhorst/xprivacy/XCameraDevice2.java
new file mode 100644
index 000000000..3f13737d6
--- /dev/null
+++ b/src/biz/bokhorst/xprivacy/XCameraDevice2.java
@@ -0,0 +1,56 @@
+package biz.bokhorst.xprivacy;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import android.util.Log;
+
+public class XCameraDevice2 extends XHook {
+	private Methods mMethod;
+
+	private XCameraDevice2(Methods method, String restrictionName) {
+		super(restrictionName, method.name(), "Camera2." + method.name());
+		mMethod = method;
+	}
+
+	public String getClassName() {
+		return "android.hardware.camera2.impl.CameraDevice";
+	}
+
+	// @formatter:off
+
+	// public int capture(CaptureRequest request, CaptureListener listener, Handler handler)
+	// public int captureBurst(List<CaptureRequest> requests, CaptureListener listener, Handler handler)
+	// public int setRepeatingRequest(CaptureRequest request, CaptureListener listener, Handler handler)
+	// public int setRepeatingBurst(List<CaptureRequest> requests, CaptureListener listener, Handler handler)
+	// frameworks/base/core/java/android/hardware/camera2/impl/CameraDevice.java
+	// http://developer.android.com/reference/android/hardware/camera2/CameraDevice.html
+
+	// @formatter:on
+
+	private enum Methods {
+		capture, captureBurst, setRepeatingRequest, setRepeatingBurst
+	};
+
+	public static List<XHook> getInstances() {
+		List<XHook> listHook = new ArrayList<XHook>();
+		for (Methods cam : Methods.values())
+			listHook.add(new XCameraDevice2(cam, PrivacyManager.cMedia));
+		return listHook;
+	}
+
+	@Override
+	protected void before(XParam param) throws Throwable {
+		if (mMethod == Methods.capture || mMethod == Methods.captureBurst) {
+			if (isRestricted(param))
+				param.setResult(0);
+
+		} else
+			Util.log(this, Log.WARN, "Unknown method=" + param.method.getName());
+	}
+
+	@Override
+	protected void after(XParam param) throws Throwable {
+		// Do nothing
+	}
+}
diff --git a/src/biz/bokhorst/xprivacy/XPrivacy.java b/src/biz/bokhorst/xprivacy/XPrivacy.java
index ded6833b5..14a36c978 100644
--- a/src/biz/bokhorst/xprivacy/XPrivacy.java
+++ b/src/biz/bokhorst/xprivacy/XPrivacy.java
@@ -197,6 +197,9 @@ protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
 		// Camera
 		hookAll(XCamera.getInstances(), null, mSecret);
 
+		// Camera2 device
+		hookAll(XCameraDevice2.getInstances(), null, mSecret);
+
 		// Clipboard manager
 		hookAll(XClipboardManager.getInstances(null), null, mSecret);