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Add an access control delegate implementation for the Darwin framewor…
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| /** | ||
| * Copyright (c) 2022 Project CHIP Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| #pragma once | ||
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| #import <Foundation/Foundation.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface CHIPControllerAccessControl : NSObject | ||
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| - (instancetype)init NS_UNAVAILABLE; | ||
| + (instancetype)new NS_UNAVAILABLE; | ||
| + (instancetype)alloc NS_UNAVAILABLE; | ||
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| /** | ||
| * Initialize the access control module. Must be called on the Matter task | ||
| * queue. | ||
| */ | ||
| + (void)init; | ||
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| @end | ||
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /** | ||
| * Copyright (c) 2022 Project CHIP Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| #import "CHIPControllerAccessControl.h" | ||
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| #include <access/AccessControl.h> | ||
| #include <access/Privilege.h> | ||
| #include <access/RequestPath.h> | ||
| #include <access/SubjectDescriptor.h> | ||
| #include <app-common/zap-generated/ids/Clusters.h> | ||
| #include <lib/core/CHIPError.h> | ||
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| using namespace chip; | ||
| using namespace chip::Access; | ||
| using namespace chip::app::Clusters; | ||
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| namespace { | ||
| // TODO: Maybe consider making this configurable? See also | ||
| // CHIPIMDispatch.mm. | ||
| constexpr EndpointId kSupportedEndpoint = 0; | ||
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| // TODO: Make the policy more configurable by consumers. | ||
| class AccessControlDelegate : public Access::AccessControl::Delegate { | ||
| CHIP_ERROR Check( | ||
| const SubjectDescriptor & subjectDescriptor, const RequestPath & requestPath, Privilege requestPrivilege) override | ||
| { | ||
| if (requestPath.endpoint != kSupportedEndpoint || requestPath.cluster != OtaSoftwareUpdateProvider::Id) { | ||
| // We only allow access to OTA software update provider. | ||
| return CHIP_ERROR_ACCESS_DENIED; | ||
| } | ||
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| if (requestPrivilege != Privilege::kOperate) { | ||
| // The commands on OtaSoftwareUpdateProvider all require | ||
| // Operate; we should not be asked for anything else. | ||
| return CHIP_ERROR_ACCESS_DENIED; | ||
| } | ||
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| if (subjectDescriptor.authMode != AuthMode::kCase && subjectDescriptor.authMode != AuthMode::kPase) { | ||
| // No idea who is asking; deny for now. | ||
| return CHIP_ERROR_ACCESS_DENIED; | ||
| } | ||
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| // TODO do we care about the fabric index here? Probably not. | ||
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| return CHIP_NO_ERROR; | ||
| } | ||
| }; | ||
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| AccessControlDelegate gDelegate; | ||
| } // anonymous namespace | ||
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| @implementation CHIPControllerAccessControl | ||
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| + (void)init | ||
| { | ||
| static dispatch_once_t onceToken; | ||
| dispatch_once(&onceToken, ^{ | ||
| GetAccessControl().Init(&gDelegate); | ||
| }); | ||
| } | ||
|
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| @end |
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