Handle install from unknown sources (95562303) · Commits · e / os / android_frameworks_base

packages/PackageInstaller/src/com/android/packageinstaller/v2/model/InstallRepository.java

+104 −5

Original line number	Original line	Diff line number	Diff line
	@@ -19,17 +19,21 @@ package com.android.packageinstaller.v2.model;
	import static com.android.packageinstaller.v2.model.PackageUtil.canPackageQuery;		import static com.android.packageinstaller.v2.model.PackageUtil.canPackageQuery;
	import static com.android.packageinstaller.v2.model.PackageUtil.generateStubPackageInfo;		import static com.android.packageinstaller.v2.model.PackageUtil.generateStubPackageInfo;
	import static com.android.packageinstaller.v2.model.PackageUtil.getAppSnippet;		import static com.android.packageinstaller.v2.model.PackageUtil.getAppSnippet;
	import static com.android.packageinstaller.v2.model.PackageUtil.isCallerSessionOwner;
	import static com.android.packageinstaller.v2.model.PackageUtil.getPackageInfo;		import static com.android.packageinstaller.v2.model.PackageUtil.getPackageInfo;
			import static com.android.packageinstaller.v2.model.PackageUtil.getPackageNameForUid;
			import static com.android.packageinstaller.v2.model.PackageUtil.isCallerSessionOwner;
	import static com.android.packageinstaller.v2.model.PackageUtil.isInstallPermissionGrantedOrRequested;		import static com.android.packageinstaller.v2.model.PackageUtil.isInstallPermissionGrantedOrRequested;
	import static com.android.packageinstaller.v2.model.PackageUtil.isPermissionGranted;		import static com.android.packageinstaller.v2.model.PackageUtil.isPermissionGranted;
	import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_INTERNAL_ERROR;		import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_INTERNAL_ERROR;
	import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_POLICY;		import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_POLICY;
	import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.DLG_PACKAGE_ERROR;		import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.DLG_PACKAGE_ERROR;
			import static com.android.packageinstaller.v2.model.installstagedata.InstallUserActionRequired.USER_ACTION_REASON_ANONYMOUS_SOURCE;
	import static com.android.packageinstaller.v2.model.installstagedata.InstallUserActionRequired.USER_ACTION_REASON_INSTALL_CONFIRMATION;		import static com.android.packageinstaller.v2.model.installstagedata.InstallUserActionRequired.USER_ACTION_REASON_INSTALL_CONFIRMATION;
			import static com.android.packageinstaller.v2.model.installstagedata.InstallUserActionRequired.USER_ACTION_REASON_UNKNOWN_SOURCE;

	import android.Manifest;		import android.Manifest;
	import android.app.Activity;		import android.app.Activity;
			import android.app.AppOpsManager;
	import android.app.admin.DevicePolicyManager;		import android.app.admin.DevicePolicyManager;
	import android.content.ContentResolver;		import android.content.ContentResolver;
	import android.content.Context;		import android.content.Context;
	@@ -73,6 +77,7 @@ public class InstallRepository {
	private final PackageInstaller mPackageInstaller;		private final PackageInstaller mPackageInstaller;
	private final UserManager mUserManager;		private final UserManager mUserManager;
	private final DevicePolicyManager mDevicePolicyManager;		private final DevicePolicyManager mDevicePolicyManager;
			private final AppOpsManager mAppOpsManager;
	private final MutableLiveData<InstallStage> mStagingResult = new MutableLiveData<>();		private final MutableLiveData<InstallStage> mStagingResult = new MutableLiveData<>();
	private final boolean mLocalLOGV = false;		private final boolean mLocalLOGV = false;
	private Intent mIntent;		private Intent mIntent;
	@@ -89,6 +94,7 @@ public class InstallRepository {
	private int mCallingUid;		private int mCallingUid;
	private String mCallingPackage;		private String mCallingPackage;
	private SessionStager mSessionStager;		private SessionStager mSessionStager;
			private AppOpRequestInfo mAppOpRequestInfo;
	private AppSnippet mAppSnippet;		private AppSnippet mAppSnippet;
	/**		/**
	* PackageInfo of the app being installed on device.		* PackageInfo of the app being installed on device.
	@@ -101,6 +107,7 @@ public class InstallRepository {
	mPackageInstaller = mPackageManager.getPackageInstaller();		mPackageInstaller = mPackageManager.getPackageInstaller();
	mDevicePolicyManager = context.getSystemService(DevicePolicyManager.class);		mDevicePolicyManager = context.getSystemService(DevicePolicyManager.class);
	mUserManager = context.getSystemService(UserManager.class);		mUserManager = context.getSystemService(UserManager.class);
			mAppOpsManager = context.getSystemService(AppOpsManager.class);
	}		}

	/**		/**
	@@ -143,6 +150,9 @@ public class InstallRepository {
	final ApplicationInfo sourceInfo = getSourceInfo(mCallingPackage);		final ApplicationInfo sourceInfo = getSourceInfo(mCallingPackage);
	// Uid of the source package, with a preference to uid from ApplicationInfo		// Uid of the source package, with a preference to uid from ApplicationInfo
	final int originatingUid = sourceInfo != null ? sourceInfo.uid : mCallingUid;		final int originatingUid = sourceInfo != null ? sourceInfo.uid : mCallingUid;
			mAppOpRequestInfo = new AppOpRequestInfo(
			getPackageNameForUid(mContext, originatingUid, mCallingPackage),
			originatingUid, callingAttributionTag);

	if (mCallingUid == Process.INVALID_UID && sourceInfo == null) {		if (mCallingUid == Process.INVALID_UID && sourceInfo == null) {
	// Caller's identity could not be determined. Abort the install		// Caller's identity could not be determined. Abort the install
	@@ -389,10 +399,8 @@ public class InstallRepository {
	// computed, else it returns InstallAborted.		// computed, else it returns InstallAborted.
	return generateConfirmationSnippet();		return generateConfirmationSnippet();
	} else {		} else {
	// This will be uncommented in subsequent changes.		InstallStage unknownSourceStage = handleUnknownSources(mAppOpRequestInfo);
	// InstallStage unknownSourceStage = handleUnknownSources(mAppOpRequestInfo);		if (unknownSourceStage.getStageCode() == InstallStage.STAGE_READY) {
	InstallStage unknownSourceStage = null;
	if (unknownSourceStage == null) {
	// Source app already has appOp granted.		// Source app already has appOp granted.
	return generateConfirmationSnippet();		return generateConfirmationSnippet();
	} else {		} else {
	@@ -633,6 +641,72 @@ public class InstallRepository {
	return true;		return true;
	}		}

			private InstallStage handleUnknownSources(AppOpRequestInfo requestInfo) {
			if (requestInfo.getCallingPackage() == null) {
			Log.i(TAG, "No source found for package " + mNewPackageInfo.packageName);
			return new InstallUserActionRequired.Builder(
			USER_ACTION_REASON_ANONYMOUS_SOURCE, null)
			.build();
			}
			// Shouldn't use static constant directly, see b/65534401.
			final String appOpStr =
			AppOpsManager.permissionToOp(Manifest.permission.REQUEST_INSTALL_PACKAGES);
			final int appOpMode = mAppOpsManager.noteOpNoThrow(appOpStr,
			requestInfo.getOriginatingUid(),
			requestInfo.getCallingPackage(), requestInfo.getAttributionTag(),
			"Started package installation activity");

			if (mLocalLOGV) {
			Log.i(TAG, "handleUnknownSources(): appMode=" + appOpMode);
			}
			switch (appOpMode) {
			case AppOpsManager.MODE_DEFAULT:
			mAppOpsManager.setMode(appOpStr, requestInfo.getOriginatingUid(),
			requestInfo.getCallingPackage(), AppOpsManager.MODE_ERRORED);
			// fall through
			case AppOpsManager.MODE_ERRORED:
			try {
			ApplicationInfo sourceInfo =
			mPackageManager.getApplicationInfo(requestInfo.getCallingPackage(), 0);
			AppSnippet sourceAppSnippet = getAppSnippet(mContext, sourceInfo);
			return new InstallUserActionRequired.Builder(
			USER_ACTION_REASON_UNKNOWN_SOURCE, sourceAppSnippet)
			.setDialogMessage(requestInfo.getCallingPackage())
			.build();
			} catch (NameNotFoundException e) {
			Log.e(TAG, "Did not find appInfo for " + requestInfo.getCallingPackage());
			return new InstallAborted.Builder(ABORT_REASON_INTERNAL_ERROR).build();
			}
			case AppOpsManager.MODE_ALLOWED:
			return new InstallReady();
			default:
			Log.e(TAG, "Invalid app op mode " + appOpMode
			+ " for OP_REQUEST_INSTALL_PACKAGES found for uid "
			+ requestInfo.getOriginatingUid());
			return new InstallAborted.Builder(ABORT_REASON_INTERNAL_ERROR).build();
			}
			}

			/**
			* Cleanup the staged session. Also signal the packageinstaller that an install session is to
			* be aborted
			*/
			public void cleanupInstall() {
			if (mSessionId > 0) {
			mPackageInstaller.setPermissionsResult(mSessionId, false);
			} else if (mStagedSessionId > 0) {
			cleanupStagingSession();
			}
			}

			/**
			* When the identity of the install source could not be determined, user can skip checking the
			* source and directly proceed with the install.
			*/
			public InstallStage forcedSkipSourceCheck() {
			return generateConfirmationSnippet();
			}

	public MutableLiveData<Integer> getStagingProgress() {		public MutableLiveData<Integer> getStagingProgress() {
	if (mSessionStager != null) {		if (mSessionStager != null) {
	return mSessionStager.getProgress();		return mSessionStager.getProgress();
	@@ -669,4 +743,29 @@ public class InstallRepository {
	return mUid;		return mUid;
	}		}
	}		}

			public static class AppOpRequestInfo {

			private String mCallingPackage;
			private String mAttributionTag;
			private int mOrginatingUid;

			public AppOpRequestInfo(String callingPackage, int orginatingUid, String attributionTag) {
			mCallingPackage = callingPackage;
			mOrginatingUid = orginatingUid;
			mAttributionTag = attributionTag;
			}

			public String getCallingPackage() {
			return mCallingPackage;
			}

			public String getAttributionTag() {
			return mAttributionTag;
			}

			public int getOriginatingUid() {
			return mOrginatingUid;
			}
			}
	}		}

packages/PackageInstaller/src/com/android/packageinstaller/v2/model/PackageUtil.java

+34 −0

Original line number	Original line	Diff line number	Diff line
	@@ -352,6 +352,40 @@ public class PackageUtil {
	return null;		return null;
	}		}

			/**
			* @return the packageName corresponding to a UID.
			*/
			public static String getPackageNameForUid(Context context, int sourceUid,
			String callingPackage) {
			if (sourceUid == Process.INVALID_UID) {
			return null;
			}
			// If the sourceUid belongs to the system downloads provider, we explicitly return the
			// name of the Download Manager package. This is because its UID is shared with multiple
			// packages, resulting in uncertainty about which package will end up first in the list
			// of packages associated with this UID
			PackageManager pm = context.getPackageManager();
			ApplicationInfo systemDownloadProviderInfo = getSystemDownloadsProviderInfo(
			pm, sourceUid);
			if (systemDownloadProviderInfo != null) {
			return systemDownloadProviderInfo.packageName;
			}
			String[] packagesForUid = pm.getPackagesForUid(sourceUid);
			if (packagesForUid == null) {
			return null;
			}
			if (packagesForUid.length > 1) {
			if (callingPackage != null) {
			for (String packageName : packagesForUid) {
			if (packageName.equals(callingPackage)) {
			return packageName;
			}
			}
			}
			Log.i(TAG, "Multiple packages found for source uid " + sourceUid);
			}
			return packagesForUid[0];
			}

	/**		/**
	* Utility method to get package information for a given {@link File}		* Utility method to get package information for a given {@link File}

packages/PackageInstaller/src/com/android/packageinstaller/v2/model/installstagedata/InstallUserActionRequired.java

+11 −8

Original line number	Original line	Diff line number	Diff line
	@@ -17,7 +17,6 @@
	package com.android.packageinstaller.v2.model.installstagedata;		package com.android.packageinstaller.v2.model.installstagedata;

	import android.graphics.drawable.Drawable;		import android.graphics.drawable.Drawable;
	import androidx.annotation.NonNull;
	import androidx.annotation.Nullable;		import androidx.annotation.Nullable;
	import com.android.packageinstaller.v2.model.PackageUtil.AppSnippet;		import com.android.packageinstaller.v2.model.PackageUtil.AppSnippet;

	@@ -28,13 +27,13 @@ public class InstallUserActionRequired extends InstallStage {
	public static final int USER_ACTION_REASON_INSTALL_CONFIRMATION = 2;		public static final int USER_ACTION_REASON_INSTALL_CONFIRMATION = 2;
	private final int mStage = InstallStage.STAGE_USER_ACTION_REQUIRED;		private final int mStage = InstallStage.STAGE_USER_ACTION_REQUIRED;
	private final int mActionReason;		private final int mActionReason;
	@NonNull		@Nullable
	private final AppSnippet mAppSnippet;		private final AppSnippet mAppSnippet;
	private final boolean mIsAppUpdating;		private final boolean mIsAppUpdating;
	@Nullable		@Nullable
	private final String mDialogMessage;		private final String mDialogMessage;

	public InstallUserActionRequired(int actionReason, @NonNull AppSnippet appSnippet,		public InstallUserActionRequired(int actionReason, @Nullable AppSnippet appSnippet,
	boolean isUpdating, @Nullable String dialogMessage) {		boolean isUpdating, @Nullable String dialogMessage) {
	mActionReason = actionReason;		mActionReason = actionReason;
	mAppSnippet = appSnippet;		mAppSnippet = appSnippet;
	@@ -47,14 +46,14 @@ public class InstallUserActionRequired extends InstallStage {
	return mStage;		return mStage;
	}		}

	@NonNull		@Nullable
	public Drawable getAppIcon() {		public Drawable getAppIcon() {
	return mAppSnippet.getIcon();		return mAppSnippet != null ? mAppSnippet.getIcon() : null;
	}		}

	@NonNull		@Nullable
	public String getAppLabel() {		public String getAppLabel() {
	return (String) mAppSnippet.getLabel();		return mAppSnippet != null ? (String) mAppSnippet.getLabel() : null;
	}		}

	public boolean isAppUpdating() {		public boolean isAppUpdating() {
	@@ -66,6 +65,10 @@ public class InstallUserActionRequired extends InstallStage {
	return mDialogMessage;		return mDialogMessage;
	}		}

			public int getActionReason() {
			return mActionReason;
			}

	public static class Builder {		public static class Builder {

	private final int mActionReason;		private final int mActionReason;
	@@ -73,7 +76,7 @@ public class InstallUserActionRequired extends InstallStage {
	private boolean mIsAppUpdating;		private boolean mIsAppUpdating;
	private String mDialogMessage;		private String mDialogMessage;

	public Builder(int actionReason, @NonNull AppSnippet appSnippet) {		public Builder(int actionReason, @Nullable AppSnippet appSnippet) {
	mActionReason = actionReason;		mActionReason = actionReason;
	mAppSnippet = appSnippet;		mAppSnippet = appSnippet;
	}		}

packages/PackageInstaller/src/com/android/packageinstaller/v2/ui/InstallActionListener.java

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -23,6 +23,11 @@ public interface InstallActionListener {
	*/		*/
	void onPositiveResponse(int stageCode);		void onPositiveResponse(int stageCode);

			/**
			* Method to dispatch intent for toggling "install from unknown sources" setting for a package
			*/
			void sendUnknownAppsIntent(String packageName);

	/**		/**
	* Method to handle a negative response from the user		* Method to handle a negative response from the user
	*/		*/

packages/PackageInstaller/src/com/android/packageinstaller/v2/ui/InstallLaunch.java

+45 −4

Original line number	Original line	Diff line number	Diff line
	@@ -16,13 +16,18 @@

	package com.android.packageinstaller.v2.ui;		package com.android.packageinstaller.v2.ui;

			import static android.content.Intent.FLAG_ACTIVITY_NO_HISTORY;
	import static android.os.Process.INVALID_UID;		import static android.os.Process.INVALID_UID;
	import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_INTERNAL_ERROR;		import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_INTERNAL_ERROR;
	import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_POLICY;		import static com.android.packageinstaller.v2.model.installstagedata.InstallAborted.ABORT_REASON_POLICY;

			import android.app.Activity;
			import android.content.ActivityNotFoundException;
	import android.content.Intent;		import android.content.Intent;
			import android.net.Uri;
	import android.os.Bundle;		import android.os.Bundle;
	import android.os.UserManager;		import android.os.UserManager;
			import android.provider.Settings;
	import android.util.Log;		import android.util.Log;
	import android.view.Window;		import android.view.Window;
	import androidx.annotation.Nullable;		import androidx.annotation.Nullable;
	@@ -36,6 +41,8 @@ import com.android.packageinstaller.v2.model.InstallRepository.CallerInfo;
	import com.android.packageinstaller.v2.model.installstagedata.InstallAborted;		import com.android.packageinstaller.v2.model.installstagedata.InstallAborted;
	import com.android.packageinstaller.v2.model.installstagedata.InstallStage;		import com.android.packageinstaller.v2.model.installstagedata.InstallStage;
	import com.android.packageinstaller.v2.model.installstagedata.InstallUserActionRequired;		import com.android.packageinstaller.v2.model.installstagedata.InstallUserActionRequired;
			import com.android.packageinstaller.v2.ui.fragments.AnonymousSourceFragment;
			import com.android.packageinstaller.v2.ui.fragments.ExternalSourcesBlockedFragment;
	import com.android.packageinstaller.v2.ui.fragments.InstallConfirmationFragment;		import com.android.packageinstaller.v2.ui.fragments.InstallConfirmationFragment;
	import com.android.packageinstaller.v2.ui.fragments.InstallStagingFragment;		import com.android.packageinstaller.v2.ui.fragments.InstallStagingFragment;
	import com.android.packageinstaller.v2.ui.fragments.SimpleErrorFragment;		import com.android.packageinstaller.v2.ui.fragments.SimpleErrorFragment;
	@@ -50,6 +57,7 @@ public class InstallLaunch extends FragmentActivity implements InstallActionList
	InstallLaunch.class.getPackageName() + ".callingPkgName";		InstallLaunch.class.getPackageName() + ".callingPkgName";
	private static final String TAG = InstallLaunch.class.getSimpleName();		private static final String TAG = InstallLaunch.class.getSimpleName();
	private static final String TAG_DIALOG = "dialog";		private static final String TAG_DIALOG = "dialog";
			private final int REQUEST_TRUST_EXTERNAL_SOURCE = 1;
	private final boolean mLocalLOGV = false;		private final boolean mLocalLOGV = false;
	private InstallViewModel mInstallViewModel;		private InstallViewModel mInstallViewModel;
	private InstallRepository mInstallRepository;		private InstallRepository mInstallRepository;
	@@ -95,8 +103,20 @@ public class InstallLaunch extends FragmentActivity implements InstallActionList
	}		}
	} else if (installStage.getStageCode() == InstallStage.STAGE_USER_ACTION_REQUIRED) {		} else if (installStage.getStageCode() == InstallStage.STAGE_USER_ACTION_REQUIRED) {
	InstallUserActionRequired uar = (InstallUserActionRequired) installStage;		InstallUserActionRequired uar = (InstallUserActionRequired) installStage;
			switch (uar.getActionReason()) {
			case InstallUserActionRequired.USER_ACTION_REASON_INSTALL_CONFIRMATION:
	InstallConfirmationFragment actionDialog = new InstallConfirmationFragment(uar);		InstallConfirmationFragment actionDialog = new InstallConfirmationFragment(uar);
	showDialogInner(actionDialog);		showDialogInner(actionDialog);
			break;
			case InstallUserActionRequired.USER_ACTION_REASON_UNKNOWN_SOURCE:
			ExternalSourcesBlockedFragment externalSourceDialog =
			new ExternalSourcesBlockedFragment(uar);
			showDialogInner(externalSourceDialog);
			break;
			case InstallUserActionRequired.USER_ACTION_REASON_ANONYMOUS_SOURCE:
			AnonymousSourceFragment anonymousSourceDialog = new AnonymousSourceFragment();
			showDialogInner(anonymousSourceDialog);
			}
	} else {		} else {
	Log.d(TAG, "Unimplemented stage: " + installStage.getStageCode());		Log.d(TAG, "Unimplemented stage: " + installStage.getStageCode());
	showDialogInner(null);		showDialogInner(null);
	@@ -178,11 +198,32 @@ public class InstallLaunch extends FragmentActivity implements InstallActionList

	@Override		@Override
	public void onPositiveResponse(int reasonCode) {		public void onPositiveResponse(int reasonCode) {
	// TODO: Implement this		if (reasonCode == InstallUserActionRequired.USER_ACTION_REASON_ANONYMOUS_SOURCE) {
			mInstallViewModel.forcedSkipSourceCheck();
			}
	}		}

	@Override		@Override
	public void onNegativeResponse(int stageCode) {		public void onNegativeResponse(int stageCode) {
	// TODO: Implement this		if (stageCode == InstallStage.STAGE_USER_ACTION_REQUIRED) {
			mInstallViewModel.cleanupInstall();
			}
			setResult(Activity.RESULT_CANCELED, true);
			}

			@Override
			public void sendUnknownAppsIntent(String sourcePackageName) {
			Intent settingsIntent = new Intent();
			settingsIntent.setAction(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES);
			final Uri packageUri = Uri.parse("package:" + sourcePackageName);
			settingsIntent.setData(packageUri);
			settingsIntent.setFlags(FLAG_ACTIVITY_NO_HISTORY);

			try {
			startActivityForResult(settingsIntent, REQUEST_TRUST_EXTERNAL_SOURCE);
			} catch (ActivityNotFoundException exc) {
			Log.e(TAG, "Settings activity not found for action: "
			+ Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES);
			}
	}		}
	}		}