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56 lines
1.9 KiB
56 lines
1.9 KiB
4 months ago
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#!/usr/bin/env python
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#
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# Copyright (C) 2018 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import apex_manifest_pb2
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from google.protobuf import message
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from google.protobuf.json_format import MessageToJson
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import zipfile
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class ApexManifestError(Exception):
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def __init__(self, errmessage):
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# Apex Manifest parse error (extra fields) or if required fields not present
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self.errmessage = errmessage
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def ValidateApexManifest(file):
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try:
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with open(file, "rb") as f:
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manifest_pb = apex_manifest_pb2.ApexManifest()
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manifest_pb.ParseFromString(f.read())
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except message.DecodeError as err:
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raise ApexManifestError(err)
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# Checking required fields
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if manifest_pb.name == "":
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raise ApexManifestError("'name' field is required.")
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if manifest_pb.version == 0:
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raise ApexManifestError("'version' field is required.")
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if manifest_pb.noCode and (manifest_pb.preInstallHook or
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manifest_pb.postInstallHook):
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raise ApexManifestError(
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"'noCode' can't be true when either preInstallHook or postInstallHook is set"
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)
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return manifest_pb
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def fromApex(apexFilePath):
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with zipfile.ZipFile(apexFilePath, 'r') as apexFile:
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with apexFile.open('apex_manifest.pb') as manifestFile:
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manifest = apex_manifest_pb2.ApexManifest()
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manifest.ParseFromString(manifestFile.read())
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return manifest
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def toJsonString(manifest):
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return MessageToJson(manifest, indent=2)
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