| /* |
| * |
| * Copyright (c) 2020-2021 Project CHIP Authors |
| * Copyright (c) 2013-2017 Nest Labs, Inc. |
| * All rights reserved. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @file |
| * Declaration of Commissioner Discovery Controller, |
| * a common class that manages state and callbacks |
| * for handling the Commissioner Discovery |
| * and User Directed Commissioning workflow |
| * |
| */ |
| |
| #pragma once |
| |
| #include <app/OperationalSessionSetup.h> |
| #include <lib/core/CHIPConfig.h> |
| #include <lib/core/CHIPError.h> |
| #include <lib/core/NodeId.h> |
| #include <platform/CHIPDeviceLayer.h> |
| #include <platform/PlatformManager.h> |
| #include <protocols/user_directed_commissioning/UserDirectedCommissioning.h> |
| |
| #if CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY |
| |
| using chip::NodeId; |
| using chip::OperationalSessionSetup; |
| using chip::Protocols::UserDirectedCommissioning::UDCClientState; |
| using chip::Protocols::UserDirectedCommissioning::UserConfirmationProvider; |
| using chip::Protocols::UserDirectedCommissioning::UserDirectedCommissioningServer; |
| using chip::Transport::PeerAddress; |
| |
| class DLL_EXPORT UserPrompter |
| { |
| public: |
| /** |
| * @brief |
| * Called to prompt the user for consent to allow the given commissioneeName/vendorId/productId to be commissioned. |
| * For example "[commissioneeName] is requesting permission to cast to this TV, approve?" |
| * |
| * If user responds with OK then implementor should call CommissionerRespondOk(); |
| * If user responds with Cancel then implementor should call CommissionerRespondCancel(); |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void PromptForCommissionOKPermission(uint16_t vendorId, uint16_t productId, const char * commissioneeName) = 0; |
| |
| /** |
| * @brief |
| * Called to prompt the user to enter the setup passcode displayed by the given commissioneeName/vendorId/productId to be |
| * commissioned. For example "Please enter passcode displayed in casting app." |
| * |
| * If user enters passcode then implementor should call CommissionerRespondPasscode(uint32_t passcode); |
| * If user responds with Cancel then implementor should call CommissionerRespondCancel(); |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] pairingHint The pairingHint in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] pairingInstruction The pairingInstruction in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void PromptForCommissionPasscode(uint16_t vendorId, uint16_t productId, const char * commissioneeName, |
| uint16_t pairingHint, const char * pairingInstruction) = 0; |
| |
| /** |
| * @brief |
| * Called to when CancelCommissioning is received via UDC. |
| * Indicates that commissioner can stop showing the passcode entry or display dialog. |
| * For example, can show text such as "Commissioning cancelled by client" before hiding dialog. |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void HidePromptsOnCancel(uint16_t vendorId, uint16_t productId, const char * commissioneeName) = 0; |
| |
| /** |
| * @brief |
| * Return true if this UserPrompter displays QR code along with passcode |
| * When PromptWithCommissionerPasscode is called during Commissioner Passcode functionality. |
| */ |
| virtual bool DisplaysPasscodeAndQRCode() = 0; |
| |
| /** |
| * @brief |
| * Called to display the given setup passcode to the user, |
| * for commissioning the given commissioneeName with the given vendorId and productId, |
| * and provide instructions for where to enter it in the commissionee (when pairingHint and pairingInstruction are provided). |
| * For example "Casting Passcode: [passcode]. For more instructions, click here." |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] passcode The passcode to display. |
| * @param[in] pairingHint The pairingHint in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] pairingInstruction The pairingInstruction in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void PromptWithCommissionerPasscode(uint16_t vendorId, uint16_t productId, const char * commissioneeName, |
| uint32_t passcode, uint16_t pairingHint, const char * pairingInstruction) = 0; |
| |
| /** |
| * @brief |
| * Called to alert the user that commissioning has begun." |
| * |
| * @param[in] vendorId The vendorid from the DAC of the new node. |
| * @param[in] productId The productid from the DAC of the new node. |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void PromptCommissioningStarted(uint16_t vendorId, uint16_t productId, const char * commissioneeName) = 0; |
| |
| /** |
| * @brief |
| * Called to prompt the user that commissioning and post-commissioning steps have completed successfully." |
| * |
| * @param[in] vendorId The vendorid from the DAC of the new node. |
| * @param[in] productId The productid from the DAC of the new node. |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void PromptCommissioningSucceeded(uint16_t vendorId, uint16_t productId, const char * commissioneeName) = 0; |
| |
| /** |
| * @brief |
| * Called to prompt the user that commissioning and post-commissioning steps have failed." |
| * |
| * @param[in] commissioneeName The commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void PromptCommissioningFailed(const char * commissioneeName, CHIP_ERROR error) = 0; |
| |
| virtual ~UserPrompter() = default; |
| }; |
| |
| class DLL_EXPORT PasscodeService |
| { |
| public: |
| /** |
| * @brief |
| * Called to determine if the given target app is available to the commissionee with the given given |
| * vendorId/productId, and if so, return the passcode. |
| * |
| * This will be called by the main chip thread so any blocking work should be moved to a separate thread. |
| * |
| * After lookup and attempting to obtain the passcode, implementor should call HandleContentAppCheck(); |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] rotatingId The rotatingId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] info App info to look for. |
| * |
| */ |
| virtual void LookupTargetContentApp(uint16_t vendorId, uint16_t productId, chip::CharSpan rotatingId, |
| chip::Protocols::UserDirectedCommissioning::TargetAppInfo & info) = 0; |
| |
| /** |
| * @brief |
| * Called to get the commissioner-generated setup passcode. |
| * Returns 0 if feature is disabled. |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] rotatingId The rotatingId in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual uint32_t GetCommissionerPasscode(uint16_t vendorId, uint16_t productId, chip::CharSpan rotatingId) = 0; |
| |
| /** |
| * @brief |
| * Called to get the setup passcode from the content app corresponding to the given vendorId/productId. |
| * |
| * This will be called by the main chip thread so any blocking work should be moved to a separate thread. |
| * |
| * After attempting to obtain the passcode, implementor should call HandleContentAppPasscodeResponse(); |
| * |
| * @param[in] vendorId The vendorId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] productId The productId in the DNS-SD advertisement of the requesting commissionee. |
| * @param[in] rotatingId The rotatingId in the DNS-SD advertisement of the requesting commissionee. |
| * |
| */ |
| virtual void FetchCommissionPasscodeFromContentApp(uint16_t vendorId, uint16_t productId, chip::CharSpan rotatingId) = 0; |
| |
| virtual ~PasscodeService() = default; |
| }; |
| |
| class DLL_EXPORT PostCommissioningListener |
| { |
| public: |
| /** |
| * @brief |
| * Called to when commissioning completed to allow the listener to perform additional |
| * steps such as binding and ACL creation. |
| * |
| * @param[in] vendorId The vendorid from the DAC of the new node. |
| * @param[in] productId The productid from the DAC of the new node. |
| * @param[in] nodeId The node id for the newly commissioned node. |
| * @param[in] exchangeMgr The exchange manager to be used to get an exchange context. |
| * @param[in] sessionHandle A reference to an established session. |
| * |
| */ |
| virtual void CommissioningCompleted(uint16_t vendorId, uint16_t productId, NodeId nodeId, |
| chip::Messaging::ExchangeManager & exchangeMgr, |
| const chip::SessionHandle & sessionHandle) = 0; |
| |
| virtual ~PostCommissioningListener() = default; |
| }; |
| |
| class DLL_EXPORT CommissionerCallback |
| { |
| public: |
| /** |
| * @brief |
| * Called to notify the commissioner that commissioning can now proceed for |
| * the node identified by the given arguments. |
| * |
| * @param[in] passcode The passcode to use for the commissionee. |
| * @param[in] longDiscriminator The long discriminator for the commissionee. |
| * @param[in] peerAddress The peerAddress for the commissionee. |
| * |
| */ |
| virtual void ReadyForCommissioning(uint32_t passcode, uint16_t longDiscriminator, PeerAddress peerAddress) = 0; |
| |
| virtual ~CommissionerCallback() = default; |
| }; |
| |
| class CommissionerDiscoveryController : public chip::Protocols::UserDirectedCommissioning::UserConfirmationProvider |
| { |
| public: |
| /** |
| * This controller can only handle one outstanding UDC session at a time and will |
| * reject attempts to start a second when one is outstanding. |
| * |
| * A session ends when post-commissioning completes: |
| * - PostCommissioningSucceeded() |
| * or when one of the following failure methods is called: |
| * - PostCommissioningFailed() |
| * - CommissioningFailed() |
| * |
| * Reset the state of this controller so that a new sessions will be accepted. |
| */ |
| void ResetState(); |
| |
| /** |
| * Check whether we have a valid session (and reset state if not). |
| */ |
| void ValidateSession(); |
| |
| /** |
| * UserConfirmationProvider callback. |
| * |
| * Notification that a UDC protocol message was received. |
| * |
| * This code will call the registered UserPrompter's PromptForCommissionOKPermission |
| */ |
| void OnUserDirectedCommissioningRequest(UDCClientState state) override; |
| |
| /** |
| * UserConfirmationProvider callback. |
| * |
| * Notification that a Cancel UDC protocol message was received. |
| * |
| * This code will call the registered UserPrompter's HidePromptsOnCancel |
| */ |
| void OnCancel(UDCClientState state) override; |
| |
| /** |
| * UserConfirmationProvider callback. |
| * |
| * Notification that a CommissionerPasscodeReady UDC protocol message was received. |
| * |
| * This code will trigger the Commissioner to begin commissioning |
| */ |
| void OnCommissionerPasscodeReady(UDCClientState state) override; |
| |
| /** |
| * This method should be called after the user has given consent for commissioning of the client |
| * indicated in the UserPrompter's PromptForCommissionOKPermission callback |
| */ |
| void Ok(); |
| void InternalOk(); |
| |
| /** |
| * This method should be called after the user has declined to give consent for commissioning of the client |
| * indicated in the UserPrompter's PromptForCommissionOKPermission callback |
| */ |
| void Cancel(); |
| |
| /** |
| * @brief |
| * Called with the result of attempting to obtain the passcode from the content app corresponding to the given |
| * vendorId/productId. |
| * |
| * @param[in] passcode Passcode for the given commissionee, or 0 if passcode cannot be obtained. |
| * |
| */ |
| void HandleContentAppPasscodeResponse(uint32_t passcode); |
| void InternalHandleContentAppPasscodeResponse(); |
| |
| /** |
| * Cache the passcode to use for commissioning |
| */ |
| inline void SetPasscode(uint32_t passcode) { mPasscode = passcode; } |
| |
| /** |
| * @brief |
| * Called with the result of attempting to lookup and obtain the passcode from the content app corresponding to the given |
| * target. |
| * |
| * @param[in] target Target app info for app check. |
| * @param[in] passcode Passcode for the given commissionee, or 0 if passcode cannot be obtained. |
| * |
| */ |
| void HandleTargetContentAppCheck(chip::Protocols::UserDirectedCommissioning::TargetAppInfo target, uint32_t passcode); |
| |
| /** |
| * This method should be called with the passcode for the client |
| * indicated in the UserPrompter's PromptForCommissionPasscode callback |
| */ |
| void CommissionWithPasscode(uint32_t passcode); |
| void InternalCommissionWithPasscode(); |
| |
| /** |
| * This method should be called by the commissioner to indicate that commissioning succeeded. |
| * The PostCommissioningCallback will then be invoked to complete setup |
| * |
| * @param[in] vendorId The vendorid from the DAC of the new node. |
| * @param[in] productId The productid from the DAC of the new node. |
| * @param[in] nodeId The node id for the newly commissioned node. |
| * @param[in] exchangeMgr The exchange manager to be used to get an exchange context. |
| * @param[in] sessionHandle A reference to an established session. |
| * |
| */ |
| void CommissioningSucceeded(uint16_t vendorId, uint16_t productId, NodeId nodeId, |
| chip::Messaging::ExchangeManager & exchangeMgr, const chip::SessionHandle & sessionHandle); |
| |
| /** |
| * This method should be called by the commissioner to indicate that commissioning failed. |
| * The UserPrompter will then be invoked to notify the user of the failure. |
| */ |
| void CommissioningFailed(CHIP_ERROR error); |
| |
| /** |
| * This method should be called by the PostCommissioningListener to indicate that post-commissioning steps completed. |
| * The PromptCommissioningSucceeded will then be invoked to notify the user of success. |
| */ |
| void PostCommissioningSucceeded(); |
| |
| /** |
| * This method should be called by the PostCommissioningListener to indicate that post-commissioning steps failed. |
| * The PromptCommissioningFailed will then be invoked to notify the user of failure. |
| */ |
| void PostCommissioningFailed(CHIP_ERROR error); |
| |
| /** |
| * Assign a DeviceCommissioner |
| */ |
| inline void SetUserDirectedCommissioningServer(UserDirectedCommissioningServer * udcServer) |
| { |
| mUdcServer = udcServer; |
| mUdcServer->SetUserConfirmationProvider(this); |
| } |
| |
| /** |
| * Assign a UserPromper |
| */ |
| inline void SetUserPrompter(UserPrompter * userPrompter) { mUserPrompter = userPrompter; } |
| |
| /** |
| * Assign a PasscodeService |
| */ |
| inline void SetPasscodeService(PasscodeService * passcodeService) { mPasscodeService = passcodeService; } |
| inline PasscodeService * GetPasscodeService() { return mPasscodeService; } |
| |
| /** |
| * Assign a Commissioner Callback to perform commissioning once user consent has been given |
| */ |
| inline void SetCommissionerCallback(CommissionerCallback * commissionerCallback) |
| { |
| mCommissionerCallback = commissionerCallback; |
| } |
| |
| /** |
| * Assign a PostCommissioning Listener to perform post-commissioning operations |
| */ |
| inline void SetPostCommissioningListener(PostCommissioningListener * postCommissioningListener) |
| { |
| mPostCommissioningListener = postCommissioningListener; |
| } |
| |
| /** |
| * Get the commissioneeName in the DNS-SD advertisement of the requesting commissionee. |
| */ |
| const char * GetCommissioneeName(); |
| |
| /** |
| * Get the UDCClientState of the requesting commissionee. |
| */ |
| UDCClientState * GetUDCClientState(); |
| |
| protected: |
| bool mReady = true; // ready to start commissioning |
| bool mPendingConsent = false; |
| char mCurrentInstance[chip::Dnssd::Commission::kInstanceNameMaxLength + 1]; |
| uint16_t mVendorId = 0; |
| uint16_t mProductId = 0; |
| NodeId mNodeId = 0; |
| uint32_t mPasscode = 0; |
| |
| UserDirectedCommissioningServer * mUdcServer = nullptr; |
| UserPrompter * mUserPrompter = nullptr; |
| PasscodeService * mPasscodeService = nullptr; |
| CommissionerCallback * mCommissionerCallback = nullptr; |
| PostCommissioningListener * mPostCommissioningListener = nullptr; |
| }; |
| |
| #endif // CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY |
