Examples with EphemeralDigest android.content.pm.EphemeralResolveInfo.EphemeralDigest used on opensource projects

Example 1 with EphemeralDigest

use of android.content.pm.EphemeralResolveInfo.EphemeralDigest in project platform_frameworks_base by android.

the class PackageManagerService method getEphemeralResolveInfo.

private static EphemeralResolveInfo getEphemeralResolveInfo(Context context, EphemeralResolverConnection resolverConnection, Intent intent, String resolvedType, int userId, String packageName) {
    final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK);
    final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT);
    final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, ephemeralPrefixCount);
    final int[] shaPrefix = digest.getDigestPrefix();
    final byte[][] digestBytes = digest.getDigestBytes();
    final List<EphemeralResolveInfo> ephemeralResolveInfoList = resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask);
    if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) {
        // No hash prefix match; there are no ephemeral apps for this domain.
        return null;
    }
    // Go in reverse order so we match the narrowest scope first.
    for (int i = shaPrefix.length - 1; i >= 0; --i) {
        for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) {
            if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) {
                continue;
            }
            final List<IntentFilter> filters = ephemeralApplication.getFilters();
            // No filters; this should never happen.
            if (filters.isEmpty()) {
                continue;
            }
            if (packageName != null && !packageName.equals(ephemeralApplication.getPackageName())) {
                continue;
            }
            // We have a domain match; resolve the filters to see if anything matches.
            final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver();
            for (int j = filters.size() - 1; j >= 0; --j) {
                final EphemeralResolveIntentInfo intentInfo = new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication);
                ephemeralResolver.addFilter(intentInfo);
            }
            List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent(intent, resolvedType, false, /*defaultOnly*/
            userId);
            if (!matchedResolveInfoList.isEmpty()) {
                return matchedResolveInfoList.get(0);
            }
        }
    }
    // Hash or filter mis-match; no ephemeral apps for this domain.
    return null;
}

Example 2 with EphemeralDigest

use of android.content.pm.EphemeralResolveInfo.EphemeralDigest in project android_frameworks_base by DirtyUnicorns.

the class PackageManagerService method getEphemeralResolveInfo.

private static EphemeralResolveInfo getEphemeralResolveInfo(Context context, EphemeralResolverConnection resolverConnection, Intent intent, String resolvedType, int userId, String packageName) {
    final int ephemeralPrefixMask = Global.getInt(context.getContentResolver(), Global.EPHEMERAL_HASH_PREFIX_MASK, DEFAULT_EPHEMERAL_HASH_PREFIX_MASK);
    final int ephemeralPrefixCount = Global.getInt(context.getContentResolver(), Global.EPHEMERAL_HASH_PREFIX_COUNT, DEFAULT_EPHEMERAL_HASH_PREFIX_COUNT);
    final EphemeralDigest digest = new EphemeralDigest(intent.getData(), ephemeralPrefixMask, ephemeralPrefixCount);
    final int[] shaPrefix = digest.getDigestPrefix();
    final byte[][] digestBytes = digest.getDigestBytes();
    final List<EphemeralResolveInfo> ephemeralResolveInfoList = resolverConnection.getEphemeralResolveInfoList(shaPrefix, ephemeralPrefixMask);
    if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) {
        // No hash prefix match; there are no ephemeral apps for this domain.
        return null;
    }
    // Go in reverse order so we match the narrowest scope first.
    for (int i = shaPrefix.length - 1; i >= 0; --i) {
        for (EphemeralResolveInfo ephemeralApplication : ephemeralResolveInfoList) {
            if (!Arrays.equals(digestBytes[i], ephemeralApplication.getDigestBytes())) {
                continue;
            }
            final List<IntentFilter> filters = ephemeralApplication.getFilters();
            // No filters; this should never happen.
            if (filters.isEmpty()) {
                continue;
            }
            if (packageName != null && !packageName.equals(ephemeralApplication.getPackageName())) {
                continue;
            }
            // We have a domain match; resolve the filters to see if anything matches.
            final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver();
            for (int j = filters.size() - 1; j >= 0; --j) {
                final EphemeralResolveIntentInfo intentInfo = new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication);
                ephemeralResolver.addFilter(intentInfo);
            }
            List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent(intent, resolvedType, false, /*defaultOnly*/
            userId);
            if (!matchedResolveInfoList.isEmpty()) {
                return matchedResolveInfoList.get(0);
            }
        }
    }
    // Hash or filter mis-match; no ephemeral apps for this domain.
    return null;
}