Return default value if fingerprint doesn't match (0508c32a) · Commits · e / os / android_build

tools/aconfig/TEST_MAPPING

+1 −3

Original line number	Diff line number	Diff line
		@@ -102,9 +102,7 @@
		{
		// aconfig_storage file java integration tests
		"name": "aconfig_storage_file.test.java"
		}
		],
		"postsubmit": [
		},
		{
		// aconfig_storage read functional test
		"name": "aconfig_storage_read_functional"

tools/aconfig/aconfig/src/codegen/java.rs

+6 −29

Original line number	Diff line number	Diff line
		@@ -543,7 +543,6 @@ mod tests {
		import android.compat.annotation.UnsupportedAppUsage;
		import android.os.Build;
		import android.os.flagging.PlatformAconfigPackageInternal;
		import android.os.flagging.AconfigStorageReadException;
		import android.util.Log;
		/** @hide */
		public final class FeatureFlagsImpl implements FeatureFlags {
		@@ -556,38 +555,16 @@ mod tests {
		private void init() {
		try {
		PlatformAconfigPackageInternal reader = PlatformAconfigPackageInternal.load("system", "com.android.aconfig.test", 0x5081CE7221C77064L);
		AconfigStorageReadException error = reader.getException();
		if (error == null) {
		disabledRw = reader.getBooleanFlagValue(0);
		disabledRwExported = reader.getBooleanFlagValue(1);
		enabledRw = reader.getBooleanFlagValue(7);
		disabledRwInOtherNamespace = reader.getBooleanFlagValue(2);
		} else if (Build.VERSION.SDK_INT > 35 && error.getErrorCode() == 5 /* fingerprint doesn't match*/) {
		disabledRw = reader.getBooleanFlagValue("disabled_rw", false);
		disabledRwExported = reader.getBooleanFlagValue("disabled_rw_exported", false);
		enabledRw = reader.getBooleanFlagValue("enabled_rw", true);
		disabledRwInOtherNamespace = reader.getBooleanFlagValue("disabled_rw_in_other_namespace", false);
		} else {
		if (error.getMessage() != null) {
		Log.e(TAG, error.getMessage());
		} else {
		Log.e(TAG, "Encountered a null AconfigStorageReadException");
		}
		}
		} catch (Exception e) {
		if (e.getMessage() != null) {
		Log.e(TAG, e.getMessage());
		} else {
		Log.e(TAG, "Encountered a null Exception");
		}
		Log.e(TAG, e.toString());
		} catch (NoClassDefFoundError e) {
		// for mainline module running on older devices.
		// This should be replaces to version check, after the version bump.
		if (e.getMessage() != null) {
		Log.e(TAG, e.getMessage());
		} else {
		Log.e(TAG, "Encountered a null NoClassDefFoundError");
		}
		Log.e(TAG, e.toString());
		}
		isCached = true;
		}

tools/aconfig/aconfig/templates/FeatureFlagsImpl.java.template

+9 −35

Original line number	Diff line number	Diff line
		@@ -11,7 +11,6 @@ import android.os.flagging.PlatformAconfigPackageInternal;
		{{ -else }}
		import android.os.flagging.AconfigPackageInternal;
		{{ -endif }}
		import android.os.flagging.AconfigStorageReadException;
		import android.util.Log;
		{{ -endif }}
		/** @hide */
		@@ -32,44 +31,19 @@ public final class FeatureFlagsImpl implements FeatureFlags \{
		{{ -else }}
		AconfigPackageInternal reader = AconfigPackageInternal.load("{container}", "{package_name}", {package_fingerprint});
		{{ -endif }}
		AconfigStorageReadException error = reader.getException();
		if (error == null) \{
		{{ for namespace_with_flags in namespace_flags }}
		{{ -for namespace_with_flags in namespace_flags }}
		{{ -for flag in namespace_with_flags.flags }}
		{{ -if flag.is_read_write }}
		{flag.method_name} = reader.getBooleanFlagValue({flag.flag_offset});
		{{ endif }}
		{{ -endfor }}
		{{ -endfor }}
		} else if (Build.VERSION.SDK_INT > 35 && error.getErrorCode() == 5 /* fingerprint doesn't match*/) \{
		{{ for namespace_with_flags in namespace_flags }}
		{{ -for flag in namespace_with_flags.flags }}
		{{ -if flag.is_read_write }}
		{flag.method_name} = reader.getBooleanFlagValue("{flag.flag_name}", {flag.default_value});
		{{ -endif }}
		{{ -endfor }}
		{{ -endfor }}
		} else \{
		if (error.getMessage() != null) \{
		Log.e(TAG, error.getMessage());
		} else \{
		Log.e(TAG, "Encountered a null AconfigStorageReadException");
		}
		}
		} catch (Exception e) \{
		if (e.getMessage() != null) \{
		Log.e(TAG, e.getMessage());
		} else \{
		Log.e(TAG, "Encountered a null Exception");
		}
		Log.e(TAG, e.toString());
		} catch (NoClassDefFoundError e) \{
		// for mainline module running on older devices.
		// This should be replaces to version check, after the version bump.
		if (e.getMessage() != null) \{
		Log.e(TAG, e.getMessage());
		} else \{
		Log.e(TAG, "Encountered a null NoClassDefFoundError");
		}
		Log.e(TAG, e.toString());
		}
		isCached = true;
		}

tools/aconfig/aconfig_storage_file/tests/srcs/StorageFileProviderTest.java

+0 −4

Original line number	Diff line number	Diff line
		@@ -58,10 +58,6 @@ public class StorageFileProviderTest {
		new StorageFileProvider(TestDataUtils.TESTDATA_PATH, TestDataUtils.TESTDATA_PATH);
		PackageTable pt = p.getPackageTable("mock.v1");
		assertNotNull(pt);
		pt =
		StorageFileProvider.getPackageTable(
		Paths.get(TestDataUtils.TESTDATA_PATH, "mock.v1.package.map"));
		assertNotNull(pt);
		FlagTable f = p.getFlagTable("mock.v1");
		assertNotNull(f);
		FlagValueList v = p.getFlagValueList("mock.v1");

tools/aconfig/aconfig_storage_read_api/srcs/android/os/flagging/PlatformAconfigPackageInternal.java

+30 −159

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		package android.os.flagging;

		import android.aconfig.storage.AconfigStorageException;
		import android.aconfig.storage.FlagTable;
		import android.aconfig.storage.FlagValueList;
		import android.aconfig.storage.PackageTable;
		import android.aconfig.storage.StorageFileProvider;
		@@ -41,75 +40,13 @@ import android.os.StrictMode;
		*/
		public class PlatformAconfigPackageInternal {

		private final FlagTable mFlagTable;
		private final FlagValueList mFlagValueList;
		private final int mPackageId;
		private final int mPackageBooleanStartOffset;
		private final AconfigStorageReadException mException;

		private PlatformAconfigPackageInternal(
		FlagValueList flagValueList,
		FlagTable flagTable,
		int packageBooleanStartOffset,
		int packageId,
		AconfigStorageReadException exception) {
		FlagValueList flagValueList, int packageBooleanStartOffset) {
		this.mFlagValueList = flagValueList;
		this.mFlagTable = flagTable;
		this.mPackageBooleanStartOffset = packageBooleanStartOffset;
		this.mPackageId = packageId;
		this.mException = exception;
		}

		/**
		* Loads an Aconfig Package from platform Aconfig Storage.
		*
		* <p>This method is intended for internal use only and may be changed or removed without
		* notice.
		*
		* <p>This method loads the specified Aconfig Package from the given container.
		*
		* <p>AconfigStorageException will be stored if there is an error reading from Aconfig Storage.
		* The specific error code can be got using {@link #getException()}.
		*
		* @param container The name of the container.
		* @param packageName The name of the Aconfig package to load.
		* @return An instance of {@link PlatformAconfigPackageInternal}
		* @hide
		*/
		@UnsupportedAppUsage
		public static PlatformAconfigPackageInternal load(String container, String packageName) {
		return load(container, packageName, StorageFileProvider.getDefaultProvider());
		}

		/** @hide */
		public static PlatformAconfigPackageInternal load(
		String container, String packageName, StorageFileProvider fileProvider) {
		StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
		try {
		PackageTable.Node pNode = fileProvider.getPackageTable(container).get(packageName);

		if (pNode == null) {
		return createExceptionInstance(
		AconfigStorageException.ERROR_PACKAGE_NOT_FOUND,
		"package "
		+ packageName
		+ " in container "
		+ container
		+ " cannot be found on the device");
		}

		return new PlatformAconfigPackageInternal(
		fileProvider.getFlagValueList(container),
		fileProvider.getFlagTable(container),
		pNode.getBooleanStartIndex(),
		pNode.getPackageId(),
		null);

		} catch (AconfigStorageException e) {
		return createExceptionInstance(e.getErrorCode(), e.getMessage());
		} finally {
		StrictMode.setThreadPolicy(oldPolicy);
		}
		}

		/**
		@@ -118,9 +55,6 @@ public class PlatformAconfigPackageInternal {
		* <p>This method is intended for internal use only and may be changed or removed without
		* notice.
		*
		* <p>AconfigStorageException will be stored if there is an error reading from Aconfig Storage.
		* The specific error code can be got using {@link #getException()}.
		*
		* @param container The name of the container.
		* @param packageName The name of the Aconfig package.
		* @param packageFingerprint The expected fingerprint of the package.
		@@ -145,48 +79,40 @@ public class PlatformAconfigPackageInternal {
		long packageFingerprint,
		StorageFileProvider fileProvider) {
		StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
		PackageTable.Node pNode = null;
		FlagValueList vList = null;
		try {
		PackageTable.Node pNode = fileProvider.getPackageTable(container).get(packageName);
		pNode = fileProvider.getPackageTable(container).get(packageName);
		vList = fileProvider.getFlagValueList(container);
		} catch (AconfigStorageException e) {
		throw new AconfigStorageReadException(e.getErrorCode(), e.toString());
		} finally {
		StrictMode.setThreadPolicy(oldPolicy);
		}

		if (pNode == null) {
		return createExceptionInstance(
		if (pNode == null \|\| vList == null) {
		throw new AconfigStorageReadException(
		AconfigStorageReadException.ERROR_PACKAGE_NOT_FOUND,
		String.format(
		"package "
		+ packageName
		+ " in container "
		+ container
		+ " cannot be found on the device");
		+ " cannot be found on the device"));
		}

		if (pNode.hasPackageFingerprint()
		&& packageFingerprint != pNode.getPackageFingerprint()) {
		return new PlatformAconfigPackageInternal(
		fileProvider.getFlagValueList(container),
		fileProvider.getFlagTable(container),
		pNode.getBooleanStartIndex(),
		pNode.getPackageId(),
		new AconfigStorageReadException(
		AconfigStorageException.ERROR_FILE_FINGERPRINT_MISMATCH,
		"The fingerprint provided for the Aconfig package "
		if (pNode.hasPackageFingerprint() && packageFingerprint != pNode.getPackageFingerprint()) {
		throw new AconfigStorageReadException(
		5, // AconfigStorageReadException.ERROR_FILE_FINGERPRINT_MISMATCH,
		String.format(
		"package "
		+ packageName
		+ " in container "
		+ container
		+ " does not match"
		+ " the fingerprint of the package found on the device."));
		+ " cannot be found on the device"));
		}

		return new PlatformAconfigPackageInternal(
		fileProvider.getFlagValueList(container),
		null,
		pNode.getBooleanStartIndex(),
		0,
		null);

		} catch (AconfigStorageException e) {
		return createExceptionInstance(e.getErrorCode(), e.getMessage());
		} finally {
		StrictMode.setThreadPolicy(oldPolicy);
		}
		return new PlatformAconfigPackageInternal(vList, pNode.getBooleanStartIndex());
		}

		/**
		@@ -198,10 +124,6 @@ public class PlatformAconfigPackageInternal {
		* <p>This method retrieves the value of a flag within the loaded Aconfig package using its
		* index. The index is generated at build time and may vary between builds.
		*
		* <p>To ensure you are using the correct index, verify that the package's fingerprint matches
		* the expected fingerprint before calling this method. If the fingerprints do not match, use
		* {@link #getBooleanFlagValue(String, boolean)} instead.
		*
		* @param index The index of the flag within the package.
		* @return The boolean value of the flag.
		* @hide
		@@ -210,55 +132,4 @@ public class PlatformAconfigPackageInternal {
		public boolean getBooleanFlagValue(int index) {
		return mFlagValueList.getBoolean(index + mPackageBooleanStartOffset);
		}

		/**
		* Retrieves the value of a boolean flag using its name.
		*
		* <p>This method is intended for internal use only and may be changed or removed without
		* notice.
		*
		* <p>This method retrieves the value of a flag within the loaded Aconfig package using its
		* name.
		*
		* @param flagName The name of the flag.
		* @param defaultValue The default value to return if the flag is not found.
		* @return The boolean value of the flag.
		* @hide
		*/
		@UnsupportedAppUsage
		public boolean getBooleanFlagValue(String flagName, boolean defaultValue) {
		FlagTable.Node fNode = mFlagTable.get(mPackageId, flagName);
		if (fNode == null) {
		return defaultValue;
		}
		return mFlagValueList.getBoolean(fNode.getFlagIndex() + mPackageBooleanStartOffset);
		}

		/**
		* Returns any exception that occurred during the loading of the Aconfig package.
		*
		* <p>This method is intended for internal use only and may be changed or removed without
		* notice.
		*
		* @return The exception that occurred, or {@code null} if no exception occurred.
		* @hide
		*/
		@UnsupportedAppUsage
		public AconfigStorageReadException getException() {
		return mException;
		}

		/**
		* Creates a new {@link PlatformAconfigPackageInternal} instance with an {@link
		* AconfigStorageException}.
		*
		* @param errorCode The error code for the exception.
		* @param message The error message for the exception.
		* @return A new {@link PlatformAconfigPackageInternal} instance with the specified exception.
		*/
		private static PlatformAconfigPackageInternal createExceptionInstance(
		int errorCode, String message) {
		return new PlatformAconfigPackageInternal(
		null, null, 0, 0, new AconfigStorageReadException(errorCode, message));
		}
		}