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Unified Diff: chrome/tools/build/generate_policy_source.py

Issue 108513011: Move chrome/app/policy into components/policy. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 7 years ago
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Index: chrome/tools/build/generate_policy_source.py
diff --git a/chrome/tools/build/generate_policy_source.py b/chrome/tools/build/generate_policy_source.py
deleted file mode 100755
index 315650de2510ed9de2adaabfd24361db4e36c3d3..0000000000000000000000000000000000000000
--- a/chrome/tools/build/generate_policy_source.py
+++ /dev/null
@@ -1,748 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-'''python %prog [options] platform chromium_os_flag template
-
-platform specifies which platform source is being generated for
- and can be one of (win, mac, linux)
-chromium_os_flag should be 1 if this is a Chromium OS build
-template is the path to a .json policy template file.'''
-
-from __future__ import with_statement
-import json
-from optparse import OptionParser
-import re
-import sys
-import textwrap
-
-
-CHROME_POLICY_KEY = 'SOFTWARE\\\\Policies\\\\Google\\\\Chrome'
-CHROMIUM_POLICY_KEY = 'SOFTWARE\\\\Policies\\\\Chromium'
-
-
-class PolicyDetails:
- """Parses a policy template and caches all its details."""
-
- # Maps policy types to a tuple with 3 other types:
- # - the equivalent base::Value::Type or 'TYPE_EXTERNAL' if the policy
- # references external data
- # - the equivalent Protobuf field type
- # - the name of one of the protobufs for shared policy types
- # TODO(joaodasilva): refactor the 'dict' type into a more generic 'json' type
- # that can also be used to represent lists of other JSON objects.
- TYPE_MAP = {
- 'dict': ('TYPE_DICTIONARY', 'string', 'String'),
- 'external': ('TYPE_EXTERNAL', 'string', 'String'),
- 'int': ('TYPE_INTEGER', 'int64', 'Integer'),
- 'int-enum': ('TYPE_INTEGER', 'int64', 'Integer'),
- 'list': ('TYPE_LIST', 'StringList', 'StringList'),
- 'main': ('TYPE_BOOLEAN', 'bool', 'Boolean'),
- 'string': ('TYPE_STRING', 'string', 'String'),
- 'string-enum': ('TYPE_STRING', 'string', 'String'),
- }
-
- class EnumItem:
- def __init__(self, item):
- self.caption = PolicyDetails._RemovePlaceholders(item['caption'])
- self.value = item['value']
-
- def __init__(self, policy, os, is_chromium_os):
- self.id = policy['id']
- self.name = policy['name']
- self.is_deprecated = policy.get('deprecated', False)
- self.is_device_only = policy.get('device_only', False)
- self.schema = policy.get('schema', {})
-
- expected_platform = 'chrome_os' if is_chromium_os else os.lower()
- self.platforms = []
- for platform, version in [ p.split(':') for p in policy['supported_on'] ]:
- if not version.endswith('-'):
- continue
-
- if platform.startswith('chrome.'):
- platform_sub = platform[7:]
- if platform_sub == '*':
- self.platforms.extend(['win', 'mac', 'linux'])
- else:
- self.platforms.append(platform_sub)
- else:
- self.platforms.append(platform)
-
- self.platforms.sort()
- self.is_supported = expected_platform in self.platforms
-
- if not PolicyDetails.TYPE_MAP.has_key(policy['type']):
- raise NotImplementedError('Unknown policy type for %s: %s' %
- (policy['name'], policy['type']))
- self.policy_type, self.protobuf_type, self.policy_protobuf_type = \
- PolicyDetails.TYPE_MAP[policy['type']]
- self.schema = policy['schema']
-
- self.desc = '\n'.join(
- map(str.strip,
- PolicyDetails._RemovePlaceholders(policy['desc']).splitlines()))
- self.caption = PolicyDetails._RemovePlaceholders(policy['caption'])
- self.max_size = policy.get('max_size', 0)
-
- items = policy.get('items')
- if items is None:
- self.items = None
- else:
- self.items = [ PolicyDetails.EnumItem(entry) for entry in items ]
-
- PH_PATTERN = re.compile('<ph[^>]*>([^<]*|[^<]*<ex>([^<]*)</ex>[^<]*)</ph>')
-
- # Simplistic grit placeholder stripper.
- @staticmethod
- def _RemovePlaceholders(text):
- result = ''
- pos = 0
- for m in PolicyDetails.PH_PATTERN.finditer(text):
- result += text[pos:m.start(0)]
- result += m.group(2) or m.group(1)
- pos = m.end(0)
- result += text[pos:]
- return result
-
-
-def main():
- parser = OptionParser(usage=__doc__)
- parser.add_option('--pch', '--policy-constants-header', dest='header_path',
- help='generate header file of policy constants',
- metavar='FILE')
- parser.add_option('--pcc', '--policy-constants-source', dest='source_path',
- help='generate source file of policy constants',
- metavar='FILE')
- parser.add_option('--cpp', '--cloud-policy-protobuf',
- dest='cloud_policy_proto_path',
- help='generate cloud policy protobuf file',
- metavar='FILE')
- parser.add_option('--csp', '--chrome-settings-protobuf',
- dest='chrome_settings_proto_path',
- help='generate chrome settings protobuf file',
- metavar='FILE')
- parser.add_option('--cpd', '--cloud-policy-decoder',
- dest='cloud_policy_decoder_path',
- help='generate C++ code decoding the cloud policy protobuf',
- metavar='FILE')
-
- (opts, args) = parser.parse_args()
-
- if len(args) != 3:
- print 'exactly platform, chromium_os flag and input file must be specified.'
- parser.print_help()
- return 2
-
- os = args[0]
- is_chromium_os = args[1] == '1'
- template_file_name = args[2]
-
- template_file_contents = _LoadJSONFile(template_file_name)
- policy_details = [ PolicyDetails(policy, os, is_chromium_os)
- for policy in _Flatten(template_file_contents) ]
- sorted_policy_details = sorted(policy_details, key=lambda policy: policy.name)
-
- def GenerateFile(path, writer, sorted=False):
- if path:
- with open(path, 'w') as f:
- _OutputGeneratedWarningHeader(f, template_file_name)
- writer(sorted and sorted_policy_details or policy_details, os, f)
-
- GenerateFile(opts.header_path, _WritePolicyConstantHeader, sorted=True)
- GenerateFile(opts.source_path, _WritePolicyConstantSource, sorted=True)
- GenerateFile(opts.cloud_policy_proto_path, _WriteCloudPolicyProtobuf)
- GenerateFile(opts.chrome_settings_proto_path, _WriteChromeSettingsProtobuf)
- GenerateFile(opts.cloud_policy_decoder_path, _WriteCloudPolicyDecoder)
-
- return 0
-
-
-#------------------ shared helpers ---------------------------------#
-
-def _OutputGeneratedWarningHeader(f, template_file_path):
- f.write('//\n'
- '// DO NOT MODIFY THIS FILE DIRECTLY!\n'
- '// IT IS GENERATED BY generate_policy_source.py\n'
- '// FROM ' + template_file_path + '\n'
- '//\n\n')
-
-
-COMMENT_WRAPPER = textwrap.TextWrapper()
-COMMENT_WRAPPER.width = 80
-COMMENT_WRAPPER.initial_indent = '// '
-COMMENT_WRAPPER.subsequent_indent = '// '
-COMMENT_WRAPPER.replace_whitespace = False
-
-
-# Writes a comment, each line prefixed by // and wrapped to 80 spaces.
-def _OutputComment(f, comment):
- for line in comment.splitlines():
- if len(line) == 0:
- f.write('//')
- else:
- f.write(COMMENT_WRAPPER.fill(line))
- f.write('\n')
-
-
-# Returns an iterator over all the policies in |template_file_contents|.
-def _Flatten(template_file_contents):
- for policy in template_file_contents['policy_definitions']:
- if policy['type'] == 'group':
- for sub_policy in policy['policies']:
- yield sub_policy
- else:
- yield policy
-
-
-def _LoadJSONFile(json_file):
- with open(json_file, 'r') as f:
- text = f.read()
- return eval(text)
-
-
-#------------------ policy constants header ------------------------#
-
-def _WritePolicyConstantHeader(policies, os, f):
- f.write('#ifndef CHROME_COMMON_POLICY_CONSTANTS_H_\n'
- '#define CHROME_COMMON_POLICY_CONSTANTS_H_\n'
- '\n'
- '#include <string>\n'
- '\n'
- '#include "base/basictypes.h"\n'
- '#include "base/values.h"\n'
- '#include "components/policy/core/common/policy_details.h"\n'
- '\n'
- 'namespace policy {\n'
- '\n'
- 'namespace internal {\n'
- 'struct SchemaData;\n'
- '}\n\n')
-
- if os == 'win':
- f.write('// The windows registry path where Chrome policy '
- 'configuration resides.\n'
- 'extern const wchar_t kRegistryChromePolicyKey[];\n')
-
- f.write('// Returns the PolicyDetails for |policy| if |policy| is a known\n'
- '// Chrome policy, otherwise returns NULL.\n'
- 'const PolicyDetails* GetChromePolicyDetails('
- 'const std::string& policy);\n'
- '\n'
- '// Returns the schema data of the Chrome policy schema.\n'
- 'const internal::SchemaData* GetChromeSchemaData();\n'
- '\n')
- f.write('// Key names for the policy settings.\n'
- 'namespace key {\n\n')
- for policy in policies:
- # TODO(joaodasilva): Include only supported policies in
- # configuration_policy_handler.cc and configuration_policy_handler_list.cc
- # so that these names can be conditional on 'policy.is_supported'.
- # http://crbug.com/223616
- f.write('extern const char k' + policy.name + '[];\n')
- f.write('\n} // namespace key\n\n'
- '} // namespace policy\n\n'
- '#endif // CHROME_COMMON_POLICY_CONSTANTS_H_\n')
-
-
-#------------------ policy constants source ------------------------#
-
-# A mapping of the simple schema types to base::Value::Types.
-SIMPLE_SCHEMA_NAME_MAP = {
- 'boolean': 'TYPE_BOOLEAN',
- 'integer': 'TYPE_INTEGER',
- 'null' : 'TYPE_NULL',
- 'number' : 'TYPE_DOUBLE',
- 'string' : 'TYPE_STRING',
-}
-
-
-class SchemaNodesGenerator:
- """Builds the internal structs to represent a JSON schema."""
-
- def __init__(self, shared_strings):
- """Creates a new generator.
-
- |shared_strings| is a map of strings to a C expression that evaluates to
- that string at runtime. This mapping can be used to reuse existing string
- constants."""
- self.shared_strings = shared_strings
- self.schema_nodes = []
- self.property_nodes = []
- self.properties_nodes = []
- self.simple_types = {
- 'boolean': None,
- 'integer': None,
- 'null': None,
- 'number': None,
- 'string': None,
- }
- self.stringlist_type = None
-
- def GetString(self, s):
- return self.shared_strings[s] if s in self.shared_strings else '"%s"' % s
-
- def AppendSchema(self, type, extra, comment=''):
- index = len(self.schema_nodes)
- self.schema_nodes.append((type, extra, comment))
- return index
-
- def GetSimpleType(self, name):
- if self.simple_types[name] == None:
- self.simple_types[name] = self.AppendSchema(
- SIMPLE_SCHEMA_NAME_MAP[name],
- -1,
- 'simple type: ' + name)
- return self.simple_types[name]
-
- def GetStringList(self):
- if self.stringlist_type == None:
- self.stringlist_type = self.AppendSchema(
- 'TYPE_LIST',
- self.GetSimpleType('string'),
- 'simple type: stringlist')
- return self.stringlist_type
-
- def Generate(self, schema, name):
- """Generates the structs for the given schema.
-
- |schema|: a valid JSON schema in a dictionary.
- |name|: the name of the current node, for the generated comments."""
- # Simple types use shared nodes.
- if schema['type'] in self.simple_types:
- return self.GetSimpleType(schema['type'])
-
- if schema['type'] == 'array':
- # Special case for lists of strings, which is a common policy type.
- if schema['items']['type'] == 'string':
- return self.GetStringList()
- return self.AppendSchema(
- 'TYPE_LIST',
- self.Generate(schema['items'], 'items of ' + name))
- elif schema['type'] == 'object':
- # Reserve an index first, so that dictionaries come before their
- # properties. This makes sure that the root node is the first in the
- # SchemaNodes array.
- index = self.AppendSchema('TYPE_DICTIONARY', -1)
-
- if 'additionalProperties' in schema:
- additionalProperties = self.Generate(
- schema['additionalProperties'],
- 'additionalProperties of ' + name)
- else:
- additionalProperties = -1
-
- # Properties must be sorted by name, for the binary search lookup.
- # Note that |properties| must be evaluated immediately, so that all the
- # recursive calls to Generate() append the necessary child nodes; if
- # |properties| were a generator then this wouldn't work.
- sorted_properties = sorted(schema.get('properties', {}).items())
- properties = [ (self.GetString(key), self.Generate(schema, key))
- for key, schema in sorted_properties ]
- begin = len(self.property_nodes)
- self.property_nodes += properties
- end = len(self.property_nodes)
- if index == 0:
- self.root_properties_begin = begin
- self.root_properties_end = end
-
- extra = len(self.properties_nodes)
- self.properties_nodes.append((begin, end, additionalProperties, name))
-
- # Set the right data at |index| now.
- self.schema_nodes[index] = ('TYPE_DICTIONARY', extra, name)
- return index
- else:
- assert False
-
- def Write(self, f):
- """Writes the generated structs to the given file.
-
- |f| an open file to write to."""
- f.write('const internal::SchemaNode kSchemas[] = {\n'
- '// Type Extra\n')
- for type, extra, comment in self.schema_nodes:
- type += ','
- f.write(' { base::Value::%-18s %3d }, // %s\n' % (type, extra, comment))
- f.write('};\n\n')
-
- f.write('const internal::PropertyNode kPropertyNodes[] = {\n'
- '// Property #Schema\n')
- for key, schema in self.property_nodes:
- key += ','
- f.write(' { %-50s %7d },\n' % (key, schema))
- f.write('};\n\n')
-
- f.write('const internal::PropertiesNode kProperties[] = {\n'
- '// Begin End Additional Properties\n')
- for node in self.properties_nodes:
- f.write(' { %5d, %5d, %5d }, // %s\n' % node)
- f.write('};\n\n')
-
- f.write('const internal::SchemaData kChromeSchemaData = {\n'
- ' kSchemas,\n'
- ' kPropertyNodes,\n'
- ' kProperties,\n'
- '};\n\n')
-
-
-def _WritePolicyConstantSource(policies, os, f):
- f.write('#include "policy/policy_constants.h"\n'
- '\n'
- '#include <algorithm>\n'
- '\n'
- '#include "base/logging.h"\n'
- '#include "components/policy/core/common/schema_internal.h"\n'
- '\n'
- 'namespace policy {\n'
- '\n'
- 'namespace {\n'
- '\n')
-
- # Generate the Chrome schema.
- chrome_schema = {
- 'type': 'object',
- 'properties': {},
- }
- shared_strings = {}
- for policy in policies:
- shared_strings[policy.name] = "key::k%s" % policy.name
- if policy.is_supported:
- chrome_schema['properties'][policy.name] = policy.schema
-
- # Note: this list must be kept in sync with the known property list of the
- # Chrome schema, so that binary seaching in the PropertyNode array gets the
- # right index on this array as well. See the implementation of
- # GetChromePolicyDetails() below.
- f.write('const PolicyDetails kChromePolicyDetails[] = {\n'
- '// is_deprecated is_device_policy id max_external_data_size\n')
- for policy in policies:
- if policy.is_supported:
- f.write(' { %-14s %-16s %3s, %24s },\n' % (
- 'true,' if policy.is_deprecated else 'false,',
- 'true,' if policy.is_device_only else 'false,',
- policy.id,
- policy.max_size))
- f.write('};\n\n')
-
- schema_generator = SchemaNodesGenerator(shared_strings)
- schema_generator.Generate(chrome_schema, 'root node')
- schema_generator.Write(f)
-
- f.write('bool CompareKeys(const internal::PropertyNode& node,\n'
- ' const std::string& key) {\n'
- ' return node.key < key;\n'
- '}\n\n')
-
- f.write('} // namespace\n\n')
-
- if os == 'win':
- f.write('#if defined(GOOGLE_CHROME_BUILD)\n'
- 'const wchar_t kRegistryChromePolicyKey[] = '
- 'L"' + CHROME_POLICY_KEY + '";\n'
- '#else\n'
- 'const wchar_t kRegistryChromePolicyKey[] = '
- 'L"' + CHROMIUM_POLICY_KEY + '";\n'
- '#endif\n\n')
-
- f.write('const internal::SchemaData* GetChromeSchemaData() {\n'
- ' return &kChromeSchemaData;\n'
- '}\n\n')
-
- f.write('const PolicyDetails* GetChromePolicyDetails('
- 'const std::string& policy) {\n'
- ' // First index in kPropertyNodes of the Chrome policies.\n'
- ' static const int begin_index = %s;\n'
- ' // One-past-the-end of the Chrome policies in kPropertyNodes.\n'
- ' static const int end_index = %s;\n' %
- (schema_generator.root_properties_begin,
- schema_generator.root_properties_end))
- f.write(' const internal::PropertyNode* begin =\n'
- ' kPropertyNodes + begin_index;\n'
- ' const internal::PropertyNode* end = kPropertyNodes + end_index;\n'
- ' const internal::PropertyNode* it =\n'
- ' std::lower_bound(begin, end, policy, CompareKeys);\n'
- ' if (it == end || it->key != policy)\n'
- ' return NULL;\n'
- ' // This relies on kPropertyNodes from begin_index to end_index\n'
- ' // having exactly the same policies (and in the same order) as\n'
- ' // kChromePolicyDetails, so that binary searching on the first\n'
- ' // gets the same results as a binary search on the second would.\n'
- ' // However, kPropertyNodes has the policy names and\n'
- ' // kChromePolicyDetails doesn\'t, so we obtain the index into\n'
- ' // the second array by searching the first to avoid duplicating\n'
- ' // the policy name pointers.\n'
- ' // Offsetting |it| from |begin| here obtains the index we\'re\n'
- ' // looking for.\n'
- ' size_t index = it - begin;\n'
- ' CHECK_LT(index, arraysize(kChromePolicyDetails));\n'
- ' return kChromePolicyDetails + index;\n'
- '}\n\n')
-
- f.write('namespace key {\n\n')
- for policy in policies:
- # TODO(joaodasilva): Include only supported policies in
- # configuration_policy_handler.cc and configuration_policy_handler_list.cc
- # so that these names can be conditional on 'policy.is_supported'.
- # http://crbug.com/223616
- f.write('const char k{name}[] = "{name}";\n'.format(name=policy.name))
- f.write('\n} // namespace key\n\n'
- '} // namespace policy\n')
-
-
-#------------------ policy protobufs --------------------------------#
-
-CHROME_SETTINGS_PROTO_HEAD = '''
-syntax = "proto2";
-
-option optimize_for = LITE_RUNTIME;
-
-package enterprise_management;
-
-// For StringList and PolicyOptions.
-import "cloud_policy.proto";
-
-'''
-
-
-CLOUD_POLICY_PROTO_HEAD = '''
-syntax = "proto2";
-
-option optimize_for = LITE_RUNTIME;
-
-package enterprise_management;
-
-message StringList {
- repeated string entries = 1;
-}
-
-message PolicyOptions {
- enum PolicyMode {
- // The given settings are applied regardless of user choice.
- MANDATORY = 0;
- // The user may choose to override the given settings.
- RECOMMENDED = 1;
- // No policy value is present and the policy should be ignored.
- UNSET = 2;
- }
- optional PolicyMode mode = 1 [default = MANDATORY];
-}
-
-message BooleanPolicyProto {
- optional PolicyOptions policy_options = 1;
- optional bool value = 2;
-}
-
-message IntegerPolicyProto {
- optional PolicyOptions policy_options = 1;
- optional int64 value = 2;
-}
-
-message StringPolicyProto {
- optional PolicyOptions policy_options = 1;
- optional string value = 2;
-}
-
-message StringListPolicyProto {
- optional PolicyOptions policy_options = 1;
- optional StringList value = 2;
-}
-
-'''
-
-
-# Field IDs [1..RESERVED_IDS] will not be used in the wrapping protobuf.
-RESERVED_IDS = 2
-
-
-def _WritePolicyProto(f, policy, fields):
- _OutputComment(f, policy.caption + '\n\n' + policy.desc)
- if policy.items is not None:
- _OutputComment(f, '\nValid values:')
- for item in policy.items:
- _OutputComment(f, ' %s: %s' % (str(item.value), item.caption))
- if policy.policy_type == 'TYPE_DICTIONARY':
- _OutputComment(f, '\nValue schema:\n%s' %
- json.dumps(policy.schema, sort_keys=True, indent=4,
- separators=(',', ': ')))
- _OutputComment(f, '\nSupported on: %s' % ', '.join(policy.platforms))
- f.write('message %sProto {\n' % policy.name)
- f.write(' optional PolicyOptions policy_options = 1;\n')
- f.write(' optional %s %s = 2;\n' % (policy.protobuf_type, policy.name))
- f.write('}\n\n')
- fields += [ ' optional %sProto %s = %s;\n' %
- (policy.name, policy.name, policy.id + RESERVED_IDS) ]
-
-
-def _WriteChromeSettingsProtobuf(policies, os, f):
- f.write(CHROME_SETTINGS_PROTO_HEAD)
-
- fields = []
- f.write('// PBs for individual settings.\n\n')
- for policy in policies:
- # Note: this protobuf also gets the unsupported policies, since it's an
- # exaustive list of all the supported user policies on any platform.
- if not policy.is_device_only:
- _WritePolicyProto(f, policy, fields)
-
- f.write('// --------------------------------------------------\n'
- '// Big wrapper PB containing the above groups.\n\n'
- 'message ChromeSettingsProto {\n')
- f.write(''.join(fields))
- f.write('}\n\n')
-
-
-def _WriteCloudPolicyProtobuf(policies, os, f):
- f.write(CLOUD_POLICY_PROTO_HEAD)
- f.write('message CloudPolicySettings {\n')
- for policy in policies:
- if policy.is_supported and not policy.is_device_only:
- f.write(' optional %sPolicyProto %s = %s;\n' %
- (policy.policy_protobuf_type, policy.name,
- policy.id + RESERVED_IDS))
- f.write('}\n\n')
-
-
-#------------------ protobuf decoder -------------------------------#
-
-CPP_HEAD = '''
-#include <limits>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/json/json_reader.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/values.h"
-#include "components/policy/core/common/cloud/cloud_external_data_manager.h"
-#include "components/policy/core/common/external_data_fetcher.h"
-#include "components/policy/core/common/policy_map.h"
-#include "policy/policy_constants.h"
-#include "policy/proto/cloud_policy.pb.h"
-
-using google::protobuf::RepeatedPtrField;
-
-namespace policy {
-
-namespace em = enterprise_management;
-
-base::Value* DecodeIntegerValue(google::protobuf::int64 value) {
- if (value < std::numeric_limits<int>::min() ||
- value > std::numeric_limits<int>::max()) {
- LOG(WARNING) << "Integer value " << value
- << " out of numeric limits, ignoring.";
- return NULL;
- }
-
- return base::Value::CreateIntegerValue(static_cast<int>(value));
-}
-
-base::ListValue* DecodeStringList(const em::StringList& string_list) {
- base::ListValue* list_value = new base::ListValue;
- RepeatedPtrField<std::string>::const_iterator entry;
- for (entry = string_list.entries().begin();
- entry != string_list.entries().end(); ++entry) {
- list_value->Append(base::Value::CreateStringValue(*entry));
- }
- return list_value;
-}
-
-base::Value* DecodeJson(const std::string& json) {
- scoped_ptr<base::Value> root(
- base::JSONReader::Read(json, base::JSON_ALLOW_TRAILING_COMMAS));
-
- if (!root)
- LOG(WARNING) << "Invalid JSON string, ignoring: " << json;
-
- // Accept any Value type that parsed as JSON, and leave it to the handler to
- // convert and check the concrete type.
- return root.release();
-}
-
-void DecodePolicy(const em::CloudPolicySettings& policy,
- base::WeakPtr<CloudExternalDataManager> external_data_manager,
- PolicyMap* map) {
-'''
-
-
-CPP_FOOT = '''}
-
-} // namespace policy
-'''
-
-
-def _CreateValue(type, arg):
- if type == 'TYPE_BOOLEAN':
- return 'base::Value::CreateBooleanValue(%s)' % arg
- elif type == 'TYPE_INTEGER':
- return 'DecodeIntegerValue(%s)' % arg
- elif type == 'TYPE_STRING':
- return 'base::Value::CreateStringValue(%s)' % arg
- elif type == 'TYPE_LIST':
- return 'DecodeStringList(%s)' % arg
- elif type == 'TYPE_DICTIONARY' or type == 'TYPE_EXTERNAL':
- return 'DecodeJson(%s)' % arg
- else:
- raise NotImplementedError('Unknown type %s' % type)
-
-
-def _CreateExternalDataFetcher(type, name):
- if type == 'TYPE_EXTERNAL':
- return 'new ExternalDataFetcher(external_data_manager, key::k%s)' % name
- return 'NULL'
-
-
-def _WritePolicyCode(f, policy):
- membername = policy.name.lower()
- proto_type = '%sPolicyProto' % policy.policy_protobuf_type
- f.write(' if (policy.has_%s()) {\n' % membername)
- f.write(' const em::%s& policy_proto = policy.%s();\n' %
- (proto_type, membername))
- f.write(' if (policy_proto.has_value()) {\n')
- f.write(' PolicyLevel level = POLICY_LEVEL_MANDATORY;\n'
- ' bool do_set = true;\n'
- ' if (policy_proto.has_policy_options()) {\n'
- ' do_set = false;\n'
- ' switch(policy_proto.policy_options().mode()) {\n'
- ' case em::PolicyOptions::MANDATORY:\n'
- ' do_set = true;\n'
- ' level = POLICY_LEVEL_MANDATORY;\n'
- ' break;\n'
- ' case em::PolicyOptions::RECOMMENDED:\n'
- ' do_set = true;\n'
- ' level = POLICY_LEVEL_RECOMMENDED;\n'
- ' break;\n'
- ' case em::PolicyOptions::UNSET:\n'
- ' break;\n'
- ' }\n'
- ' }\n'
- ' if (do_set) {\n')
- f.write(' base::Value* value = %s;\n' %
- (_CreateValue(policy.policy_type, 'policy_proto.value()')))
- # TODO(bartfab): |value| == NULL indicates that the policy value could not be
- # parsed successfully. Surface such errors in the UI.
- f.write(' if (value) {\n')
- f.write(' ExternalDataFetcher* external_data_fetcher = %s;\n' %
- _CreateExternalDataFetcher(policy.policy_type, policy.name))
- f.write(' map->Set(key::k%s, level, POLICY_SCOPE_USER,\n' %
- policy.name)
- f.write(' value, external_data_fetcher);\n'
- ' }\n'
- ' }\n'
- ' }\n'
- ' }\n')
-
-
-def _WriteCloudPolicyDecoder(policies, os, f):
- f.write(CPP_HEAD)
- for policy in policies:
- if policy.is_supported and not policy.is_device_only:
- _WritePolicyCode(f, policy)
- f.write(CPP_FOOT)
-
-
-if __name__ == '__main__':
- sys.exit(main())
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