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Brings AOSP up to a true representative implementation which can be
shipped on production devices.
Bug: 171219506
Test: manual, push AOSP, pm enable, pm verify-app-links
Change-Id: I5de6405afe884a19d35d09b266457c4ad4eee91b
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Symptom:
StatementService was crashed due to the exception;
"java.lang.IllegalStateException: cache is closed"
Root cause:
The http cache is deleted at DirectStatementService#onDestroy
in main thread. If a worker thread is still alive and it tries to
access the cache, it fails with IllegalStateException.
Solution:
The request of deleting a cache was moved from the main thread to
worker. Now, the cache can be deleted safely.
Bug: 73911877
Change-Id: I61f4e62b00e35f4a272ef983758e61ef3bf2d180
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This commit adds a verifier that verifies a host delegates permission for
an app to handle Url for the host using the Statement protocol.
- Implements the Statement protocol
-- The protocol defines a file format that represents statements.
-- The protocol defines where each asset type should put their statement
declaration. For web asset, the statement file should be hosted at
<scheme>://<host>:<port>/.well-known/associations.json.
- Implements IntentFilterVerificationReceiver, an interface between
StatementService and PackageManager. PackageManager will send a
broadcast with action Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION.
The service will process the request and returns the results by calling
PackageManager.verifyIntentFilter().
To verify an IntentFilter like this defined in Android app com.test.app
<intent-filter>
<data android:scheme="https" />
<data android:host="www.test.com" />
<data android:pathPattern=".*"/>
</intent-filter>
The service will try to retrieve the statement file from
https://www.test.com:443/.well-known/associations.json and try to find
a JSON object equivalent to
{'relation': ['delegate_permission/common.handle_all_urls'],
'target': {'namespace': 'android_app',
'package_name': 'com.test.app',
'sha256_cert_fingerprints': [APP_CERT_FP]}}
The entry should have the correct relation, package name, and
certificate sha256 fingerprint.
Because this implementation will send a HTTP request for each host
specified in the intent-filter in AndroidManifest.xml, to avoid overwhelming
the network at app install time, we limit the maximum number of hosts we will
verify for a single app to 10. Any app with more than 10 hosts in the
autoVerify=true intent-filter won't be auto verified.
Change-Id: I787c9d176e4110aa441eb5fe4fa9651a071c6610
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