From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Oli Lan <olilan@google.com>
Date: Wed, 27 Jul 2022 17:17:51 +0000
Subject: [PATCH] Revert "Prevent exfiltration of system files via user image
 settings."

This reverts commit 8950a9002402de6e1218bab3da52868a51104a95.

Reason for revert: regression if multiple crop system crop handlers are present

Change-Id: Ib83dbb2f1109d26b7e85192379291bffef187e77
Merged-In: I15e15ad88b768a5b679de32c5429d921d850a3cb
(cherry picked from commit c0742e745da55452a412b4bb7bd28c5ecf3a8cb2)
Merged-In: Ib83dbb2f1109d26b7e85192379291bffef187e77
---
 .../users/EditUserPhotoController.java        | 42 ++++++-------------
 1 file changed, 13 insertions(+), 29 deletions(-)

diff --git a/src/com/android/settings/users/EditUserPhotoController.java b/src/com/android/settings/users/EditUserPhotoController.java
index cdf392b9df0..0f67b181de3 100644
--- a/src/com/android/settings/users/EditUserPhotoController.java
+++ b/src/com/android/settings/users/EditUserPhotoController.java
@@ -22,7 +22,6 @@ import android.content.ClipData;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
-import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.graphics.Bitmap;
@@ -76,7 +75,6 @@ public class EditUserPhotoController {
     private static final int REQUEST_CODE_TAKE_PHOTO   = 1002;
     private static final int REQUEST_CODE_CROP_PHOTO   = 1003;
 
-    private static final String PRE_CROP_PICTURE_FILE_NAME = "PreCropEditUserPhoto.jpg";
     private static final String CROP_PICTURE_FILE_NAME = "CropEditUserPhoto.jpg";
     private static final String TAKE_PICTURE_FILE_NAME = "TakeEditUserPhoto2.jpg";
     private static final String NEW_USER_PHOTO_FILE_NAME = "NewUserPhoto.png";
@@ -87,7 +85,6 @@ public class EditUserPhotoController {
     private final Fragment mFragment;
     private final ImageView mImageView;
 
-    private final Uri mPreCropPictureUri;
     private final Uri mCropPictureUri;
     private final Uri mTakePictureUri;
 
@@ -99,8 +96,6 @@ public class EditUserPhotoController {
         mContext = view.getContext();
         mFragment = fragment;
         mImageView = view;
-
-        mPreCropPictureUri = createTempImageUri(mContext, PRE_CROP_PICTURE_FILE_NAME, !waiting);
         mCropPictureUri = createTempImageUri(mContext, CROP_PICTURE_FILE_NAME, !waiting);
         mTakePictureUri = createTempImageUri(mContext, TAKE_PICTURE_FILE_NAME, !waiting);
         mPhotoSize = getPhotoSize(mContext);
@@ -135,7 +130,7 @@ public class EditUserPhotoController {
             case REQUEST_CODE_TAKE_PHOTO:
             case REQUEST_CODE_CHOOSE_PHOTO:
                 if (mTakePictureUri.equals(pictureUri)) {
-                    cropPhoto(pictureUri);
+                    cropPhoto();
                 } else {
                     copyAndCropPhoto(pictureUri);
                 }
@@ -244,7 +239,7 @@ public class EditUserPhotoController {
             protected Void doInBackground(Void... params) {
                 final ContentResolver cr = mContext.getContentResolver();
                 try (InputStream in = cr.openInputStream(pictureUri);
-                        OutputStream out = cr.openOutputStream(mPreCropPictureUri)) {
+                        OutputStream out = cr.openOutputStream(mTakePictureUri)) {
                     Streams.copy(in, out);
                 } catch (IOException e) {
                     Log.w(TAG, "Failed to copy photo", e);
@@ -255,38 +250,27 @@ public class EditUserPhotoController {
             @Override
             protected void onPostExecute(Void result) {
                 if (!mFragment.isAdded()) return;
-                cropPhoto(mPreCropPictureUri);
+                cropPhoto();
             }
         }.execute();
     }
 
-    private void cropPhoto(final Uri pictureUri) {
+    private void cropPhoto() {
         // TODO: Use a public intent, when there is one.
         Intent intent = new Intent("com.android.camera.action.CROP");
-        intent.setDataAndType(pictureUri, "image/*");
+        intent.setDataAndType(mTakePictureUri, "image/*");
         appendOutputExtra(intent, mCropPictureUri);
         appendCropExtras(intent);
-        try {
-            StrictMode.disableDeathOnFileUriExposure();
-            if (startSystemActivityForResult(intent, REQUEST_CODE_CROP_PHOTO)) {
-                return;
+        if (intent.resolveActivity(mContext.getPackageManager()) != null) {
+            try {
+                StrictMode.disableDeathOnFileUriExposure();
+                mFragment.startActivityForResult(intent, REQUEST_CODE_CROP_PHOTO);
+            } finally {
+                StrictMode.enableDeathOnFileUriExposure();
             }
-        } finally {
-            StrictMode.enableDeathOnFileUriExposure();
-        }
-        onPhotoCropped(mTakePictureUri, false);
-    }
-
-    private boolean startSystemActivityForResult(Intent intent, int code) {
-        ActivityInfo info = intent.resolveActivityInfo(mContext.getPackageManager(),
-                PackageManager.MATCH_SYSTEM_ONLY);
-        if (info == null) {
-            Log.w(TAG, "No system package activity could be found for code " + code);
-            return false;
+        } else {
+            onPhotoCropped(mTakePictureUri, false);
         }
-        intent.setPackage(info.packageName);
-        mFragment.startActivityForResult(intent, code);
-        return true;
     }
 
     private void appendOutputExtra(Intent intent, Uri pictureUri) {