[chip-tool] Add TermsAndConditions support to chip-tool pairing code command

Author: vivien-apple

examples/chip-tool/commands/pairing/PairingCommand.cpp

@@ -28,6 +28,9 @@
 #include <setup_payload/ManualSetupPayloadParser.h>
 #include <setup_payload/QRCodeSetupPayloadParser.h>
 
+#include "../dcl/DCLClient.h"
+#include "../dcl/DisplayTermsAndConditions.h"
+
 #include <string>
 
 using namespace ::chip;
@@ -232,6 +235,7 @@ CHIP_ERROR PairingCommand::PairWithCode(NodeId remoteId)
         discoveryType = DiscoveryType::kDiscoveryNetworkOnlyWithoutPASEAutoRetry;
     }
 
+    ReturnErrorOnFailure(MaybeDisplayTermsAndConditions(commissioningParams));
     return CurrentCommissioner().PairDevice(remoteId, mOnboardingPayload, commissioningParams, discoveryType);
 }
 
@@ -585,3 +589,26 @@ void PairingCommand::OnDeviceAttestationCompleted(Controller::DeviceCommissioner
         SetCommandExitStatus(err);
     }
 }
+
+CHIP_ERROR PairingCommand::MaybeDisplayTermsAndConditions(CommissioningParameters & params)
+{
+    VerifyOrReturnError(mUseDCL.ValueOr(false), CHIP_NO_ERROR);
+
+    Json::Value tc;
+    auto client = tool::dcl::DCLClient(mDCLHostName, mDCLPort);
+    ReturnErrorOnFailure(client.TermsAndConditions(mOnboardingPayload, tc));
+    if (tc != Json::nullValue)
+    {
+        uint16_t version      = 0;
+        uint16_t userResponse = 0;
+        ReturnErrorOnFailure(tool::dcl::DisplayTermsAndConditions(tc, version, userResponse, mCountryCode));
+
+        TermsAndConditionsAcknowledgement termsAndConditionsAcknowledgement = {
+            .acceptedTermsAndConditions        = userResponse,
+            .acceptedTermsAndConditionsVersion = version,
+        };
+        params.SetTermsAndConditionsAcknowledgement(termsAndConditionsAcknowledgement);
+    }
+
+    return CHIP_NO_ERROR;
+}

examples/chip-tool/commands/pairing/PairingCommand.h

@@ -106,6 +106,10 @@ class PairingCommand : public CHIPCommand,
             break;
         case PairingMode::Code:
             AddArgument("skip-commissioning-complete", 0, 1, &mSkipCommissioningComplete);
+            AddArgument("dcl-hostname", &mDCLHostName,
+                        "Hostname of the DCL server to fetch information from. Defaults to 'on.dcl.csa-iot.org'.");
+            AddArgument("dcl-port", 0, UINT16_MAX, &mDCLPort, "Port number for connecting to the DCL server. Defaults to '443'.");
+            AddArgument("use-dcl", 0, 1, &mUseDCL, "Use DCL to fetch onboarding information");
             FALLTHROUGH;
         case PairingMode::CodePaseOnly:
             AddArgument("payload", &mOnboardingPayload);
@@ -247,6 +251,7 @@ class PairingCommand : public CHIPCommand,
     CHIP_ERROR PairWithMdnsOrBleByIndexWithCode(NodeId remoteId, uint16_t index);
     CHIP_ERROR Unpair(NodeId remoteId);
     chip::Controller::CommissioningParameters GetCommissioningParameters();
+    CHIP_ERROR MaybeDisplayTermsAndConditions(chip::Controller::CommissioningParameters & params);
 
     const PairingMode mPairingMode;
     const PairingNetworkType mNetworkType;
@@ -269,6 +274,9 @@ class PairingCommand : public CHIPCommand,
     chip::Optional<uint32_t> mICDStayActiveDurationMsec;
     chip::Optional<uint16_t> mTCAcknowledgements;
     chip::Optional<uint16_t> mTCAcknowledgementVersion;
+    chip::Optional<char *> mDCLHostName;
+    chip::Optional<uint16_t> mDCLPort;
+    chip::Optional<bool> mUseDCL;
     chip::app::DataModel::List<chip::app::Clusters::TimeSynchronization::Structs::TimeZoneStruct::Type> mTimeZoneList;
     TypedComplexArgument<chip::app::DataModel::List<chip::app::Clusters::TimeSynchronization::Structs::TimeZoneStruct::Type>>
         mComplex_TimeZones;