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/*
* Copyright (c) 2021 The Android Open Source Project
*
* 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.
*/
package com.android.ims.rcs.uce.request;
import static android.telephony.ims.RcsContactUceCapability.CAPABILITY_MECHANISM_OPTIONS;
import static android.telephony.ims.RcsContactUceCapability.SOURCE_TYPE_NETWORK;
import android.net.Uri;
import android.telephony.ims.RcsContactUceCapability;
import android.util.Log;
import com.android.ims.rcs.uce.request.UceRequestManager.RequestManagerCallback;
import com.android.ims.rcs.uce.util.FeatureTags;
import com.android.ims.rcs.uce.util.NetworkSipCode;
import com.android.ims.rcs.uce.util.UceUtils;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
/**
* Handle the OPTIONS request from the network.
*/
public class RemoteOptionsRequest implements UceRequest {
private static final String LOG_TAG = UceUtils.getLogPrefix() + "RemoteOptRequest";
/**
* The response of the remote capability request.
*/
public static class RemoteOptResponse {
private boolean mIsNumberBlocked;
private RcsContactUceCapability mRcsContactCapability;
private Optional<Integer> mErrorSipCode;
private Optional<String> mErrorReason;
public RemoteOptResponse() {
mErrorSipCode = Optional.empty();
mErrorReason = Optional.empty();
}
void setRespondToRequest(RcsContactUceCapability capability, boolean isBlocked) {
mIsNumberBlocked = isBlocked;
mRcsContactCapability = capability;
}
void setRespondToRequestWithError(int code, String reason) {
mErrorSipCode = Optional.of(code);
mErrorReason = Optional.of(reason);
}
public boolean isNumberBlocked() {
return mIsNumberBlocked;
}
public RcsContactUceCapability getRcsContactCapability() {
return mRcsContactCapability;
}
public Optional<Integer> getErrorSipCode() {
return mErrorSipCode;
}
public Optional<String> getErrorReason() {
return mErrorReason;
}
}
private final int mSubId;
private final long mTaskId;
private volatile long mCoordinatorId;
private volatile boolean mIsFinished;
private volatile boolean mIsRemoteNumberBlocked;
private List<Uri> mUriList;
private final List<String> mRemoteFeatureTags;
private final RemoteOptResponse mRemoteOptResponse;
private final RequestManagerCallback mRequestManagerCallback;
public RemoteOptionsRequest(int subId, RequestManagerCallback requestMgrCallback) {
mSubId = subId;
mTaskId = UceUtils.generateTaskId();
mRemoteFeatureTags = new ArrayList<>();
mRemoteOptResponse = new RemoteOptResponse();
mRequestManagerCallback = requestMgrCallback;
logd("created");
}
@Override
public void setRequestCoordinatorId(long coordinatorId) {
mCoordinatorId = coordinatorId;
}
@Override
public long getRequestCoordinatorId() {
return mCoordinatorId;
}
@Override
public long getTaskId() {
return mTaskId;
}
@Override
public void onFinish() {
mIsFinished = true;
}
@Override
public void setContactUri(List<Uri> uris) {
mUriList = uris;
}
public void setRemoteFeatureTags(List<String> remoteFeatureTags) {
remoteFeatureTags.forEach(mRemoteFeatureTags::add);
}
public void setIsRemoteNumberBlocked(boolean isBlocked) {
mIsRemoteNumberBlocked = isBlocked;
}
/**
* @return The response of this request.
*/
public RemoteOptResponse getRemoteOptResponse() {
return mRemoteOptResponse;
}
@Override
public void executeRequest() {
logd("executeRequest");
try {
executeRequestInternal();
} catch (Exception e) {
logw("executeRequest: exception " + e);
setResponseWithError(NetworkSipCode.SIP_CODE_SERVER_INTERNAL_ERROR,
NetworkSipCode.SIP_INTERNAL_SERVER_ERROR);
} finally {
mRequestManagerCallback.notifyRemoteRequestDone(mCoordinatorId, mTaskId);
}
}
private void executeRequestInternal() {
if (mUriList == null || mUriList.isEmpty()) {
logw("executeRequest: uri is empty");
setResponseWithError(NetworkSipCode.SIP_CODE_BAD_REQUEST,
NetworkSipCode.SIP_BAD_REQUEST);
return;
}
if (mIsFinished) {
logw("executeRequest: This request is finished");
setResponseWithError(NetworkSipCode.SIP_CODE_SERVICE_UNAVAILABLE,
NetworkSipCode.SIP_SERVICE_UNAVAILABLE);
return;
}
// Store the remote capabilities
Uri contactUri = mUriList.get(0);
RcsContactUceCapability remoteCaps = FeatureTags.getContactCapability(contactUri,
SOURCE_TYPE_NETWORK, mRemoteFeatureTags);
mRequestManagerCallback.saveCapabilities(Collections.singletonList(remoteCaps));
// Get the device's capabilities and trigger the request callback
RcsContactUceCapability deviceCaps = mRequestManagerCallback.getDeviceCapabilities(
CAPABILITY_MECHANISM_OPTIONS);
if (deviceCaps == null) {
logw("executeRequest: The device's capabilities is empty");
setResponseWithError(NetworkSipCode.SIP_CODE_SERVER_INTERNAL_ERROR,
NetworkSipCode.SIP_INTERNAL_SERVER_ERROR);
} else {
logd("executeRequest: Respond to capability request, blocked="
+ mIsRemoteNumberBlocked);
setResponse(deviceCaps, mIsRemoteNumberBlocked);
}
}
private void setResponse(RcsContactUceCapability deviceCaps,
boolean isRemoteNumberBlocked) {
mRemoteOptResponse.setRespondToRequest(deviceCaps, isRemoteNumberBlocked);
}
private void setResponseWithError(int errorCode, String reason) {
mRemoteOptResponse.setRespondToRequestWithError(errorCode, reason);
}
private void logd(String log) {
Log.d(LOG_TAG, getLogPrefix().append(log).toString());
}
private void logw(String log) {
Log.d(LOG_TAG, getLogPrefix().append(log).toString());
}
private StringBuilder getLogPrefix() {
StringBuilder builder = new StringBuilder("[");
builder.append(mSubId).append("][taskId=").append(mTaskId).append("] ");
return builder;
}
}
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