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/*
* Copyright 2010-2012 Ning, Inc.
* Copyright 2014-2017 Groupon, Inc
* Copyright 2014-2017 The Billing Project, LLC
*
* The Billing Project licenses this file to you 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 org.killbill.billing.util.callcontext;
import java.util.Objects;
import java.util.UUID;
import javax.annotation.Nullable;
import javax.inject.Inject;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.killbill.billing.ObjectType;
import org.killbill.billing.account.api.AccountApiException;
import org.killbill.billing.account.api.ImmutableAccountData;
import org.killbill.billing.account.api.ImmutableAccountInternalApi;
import org.killbill.billing.callcontext.InternalCallContext;
import org.killbill.billing.callcontext.InternalTenantContext;
import org.killbill.commons.utils.Preconditions;
import org.killbill.billing.util.account.AccountDateTimeUtils;
import org.killbill.billing.util.cache.Cachable.CacheType;
import org.killbill.billing.util.cache.CacheController;
import org.killbill.billing.util.cache.CacheControllerDispatcher;
import org.killbill.billing.util.dao.NonEntityDao;
import org.killbill.billing.util.entity.dao.TimeZoneAwareEntity;
import org.killbill.clock.Clock;
import org.slf4j.MDC;
// Internal contexts almost always expect accountRecordId and tenantRecordId to be populated
public class InternalCallContextFactory {
// Long, not long, to avoid NPE with ==
public static final Long INTERNAL_TENANT_RECORD_ID = 0L;
// This needs to be kept in sync with KillbillMDCInsertingServletFilter
public static final String MDC_KB_ACCOUNT_RECORD_ID = "kb.accountRecordId";
public static final String MDC_KB_TENANT_RECORD_ID = "kb.tenantRecordId";
public static final String MDC_KB_USER_TOKEN = "kb.userToken";
private final ImmutableAccountInternalApi accountInternalApi;
private final Clock clock;
private final NonEntityDao nonEntityDao;
private final CacheController objectIdCacheController;
private final CacheController recordIdCacheController;
private final CacheController accountRecordIdCacheController;
private final CacheController tenantRecordIdCacheController;
@Inject
public InternalCallContextFactory(@Nullable final ImmutableAccountInternalApi accountInternalApi,
final Clock clock,
final NonEntityDao nonEntityDao,
@Nullable final CacheControllerDispatcher cacheControllerDispatcher) {
this.accountInternalApi = accountInternalApi;
this.clock = clock;
this.nonEntityDao = nonEntityDao;
if (cacheControllerDispatcher == null) {
this.objectIdCacheController = null;
this.recordIdCacheController = null;
this.accountRecordIdCacheController = null;
this.tenantRecordIdCacheController = null;
} else {
this.objectIdCacheController = cacheControllerDispatcher.getCacheController(CacheType.OBJECT_ID);
this.recordIdCacheController = cacheControllerDispatcher.getCacheController(CacheType.RECORD_ID);
this.accountRecordIdCacheController = cacheControllerDispatcher.getCacheController(CacheType.ACCOUNT_RECORD_ID);
this.tenantRecordIdCacheController = cacheControllerDispatcher.getCacheController(CacheType.TENANT_RECORD_ID);
}
}
//
// Create contexts from internal contexts
//
public TenantContext createTenantContext(final InternalTenantContext context) {
final UUID accountId = getAccountIdSafe(context);
final UUID tenantId = getTenantIdSafe(context);
return context.toTenantContext(accountId, tenantId);
}
public CallContext createCallContext(final InternalCallContext context) {
final UUID accountId = getAccountIdSafe(context);
final UUID tenantId = getTenantIdSafe(context);
return context.toCallContext(accountId, tenantId);
}
//
// Create InternalTenantContext
//
/**
* Create an internal tenant callcontext from a tenant callcontext
*
* This is used for r/o operations - we don't need the account id in that case.
* You should almost never use that one, you always want to populate the accountRecordId
*
* @param context tenant callcontext (tenantId can be null only if multi-tenancy is disabled)
* @return internal tenant callcontext
*/
public InternalTenantContext createInternalTenantContextWithoutAccountRecordId(final TenantContext context) {
// If tenant id is null, this will default to the default tenant record id (multi-tenancy disabled)
final Long tenantRecordId = getTenantRecordIdSafe(context);
return createInternalTenantContext(tenantRecordId, null);
}
public InternalTenantContext createInternalTenantContext(final UUID accountId, final TenantContext context) {
return createInternalTenantContext(accountId, ObjectType.ACCOUNT, context);
}
public InternalTenantContext createInternalTenantContext(final UUID accountId, final InternalTenantContext context) {
final Long tenantRecordId = context.getTenantRecordId();
final Long accountRecordId = getAccountRecordIdSafe(accountId, ObjectType.ACCOUNT, context.getTenantRecordId());
return createInternalTenantContext(tenantRecordId, accountRecordId);
}
/**
* Crate an internal tenant callcontext from a tenant callcontext, and retrieving the account_record_id from another table
*
* @param objectId the id of the row in the table pointed by object type where to look for account_record_id
* @param objectType the object type pointed by this objectId
* @param context original tenant callcontext
* @return internal tenant callcontext from callcontext, with a non null account_record_id (if found)
*/
public InternalTenantContext createInternalTenantContext(final UUID objectId, final ObjectType objectType, final TenantContext context) {
// The callcontext may come from a user API - for security, check we're not doing cross-tenants operations
//final Long tenantRecordIdFromObject = retrieveTenantRecordIdFromObject(objectId, objectType);
//final Long tenantRecordIdFromContext = getTenantRecordIdSafe(callcontext);
//Preconditions.checkState(tenantRecordIdFromContext.equals(tenantRecordIdFromObject),
// "tenant of the pointed object (%s) and the callcontext (%s) don't match!", tenantRecordIdFromObject, tenantRecordIdFromContext);
final Long tenantRecordId = getTenantRecordIdSafe(context);
final Long accountRecordId = getAccountRecordIdSafe(objectId, objectType, context);
return createInternalTenantContext(tenantRecordId, accountRecordId);
}
/**
* Create an internal tenant callcontext
*
* @param tenantRecordId tenant_record_id (cannot be null)
* @param accountRecordId account_record_id (cannot be null for INSERT operations)
* @return internal tenant callcontext
*/
public InternalTenantContext createInternalTenantContext(final Long tenantRecordId, @Nullable final Long accountRecordId) {
populateMDCContext(null, accountRecordId, tenantRecordId);
if (accountRecordId == null) {
return new InternalTenantContext(tenantRecordId);
} else {
final ImmutableAccountData immutableAccountData = getImmutableAccountData(accountRecordId, tenantRecordId);
final DateTimeZone accountTimeZone = immutableAccountData.getTimeZone();
final DateTimeZone fixedOffsetTimeZone = immutableAccountData.getFixedOffsetTimeZone();
final DateTime referenceTime = immutableAccountData.getReferenceTime();
return new InternalTenantContext(tenantRecordId, accountRecordId, accountTimeZone, fixedOffsetTimeZone, referenceTime);
}
}
//
// Create InternalCallContext
//
/**
* Create an internal call callcontext using an existing account to retrieve tenant and account record ids
*
* This is used for r/w operations - we need the account id to populate the account_record_id field
*
* @param accountId account id
* @param context original call callcontext
* @return internal call callcontext
*/
public InternalCallContext createInternalCallContext(final UUID accountId, final CallContext context) {
return createInternalCallContext(accountId, ObjectType.ACCOUNT, context);
}
/**
* Create an internal call callcontext from a call callcontext, and retrieving the account_record_id from another table
*
* @param objectId the id of the row in the table pointed by object type where to look for account_record_id
* @param objectType the object type pointed by this objectId
* @param context original call callcontext
* @return internal call callcontext from callcontext, with a non null account_record_id (if found)
*/
public InternalCallContext createInternalCallContext(final UUID objectId, final ObjectType objectType, final CallContext context) {
// The callcontext may come from a user API - for security, check we're not doing cross-tenants operations
//final Long tenantRecordIdFromObject = retrieveTenantRecordIdFromObject(objectId, objectType);
//final Long tenantRecordIdFromContext = getTenantRecordIdSafe(callcontext);
//Preconditions.checkState(tenantRecordIdFromContext.equals(tenantRecordIdFromObject),
// "tenant of the pointed object (%s) and the callcontext (%s) don't match!", tenantRecordIdFromObject, tenantRecordIdFromContext);
final Long tenantRecordId = getTenantRecordIdSafe(context);
final Long accountRecordId = getAccountRecordIdSafe(objectId, objectType, context);
return createInternalCallContext(tenantRecordId,
accountRecordId,
context.getUserName(),
context.getCallOrigin(),
context.getUserType(),
context.getUserToken(),
context.getReasonCode(),
context.getComments(),
context.getCreatedDate(),
context.getUpdatedDate());
}
// Used by the payment retry service
public InternalCallContext createInternalCallContext(final UUID objectId, final ObjectType objectType, final String userName,
final CallOrigin callOrigin, final UserType userType, @Nullable final UUID userToken, final Long tenantRecordId) {
final Long accountRecordId = getAccountRecordIdSafe(objectId, objectType, tenantRecordId);
return createInternalCallContext(tenantRecordId, accountRecordId, userName, callOrigin, userType, userToken, null, null, null, null);
}
/**
* Create an internal call callcontext
*
* This is used by notification queue and persistent bus - accountRecordId is expected to be non null
*
* @param tenantRecordId tenant record id - if null, the default tenant record id value will be used
* @param accountRecordId account record id (can be null in specific use-cases, e.g. config change events in BeatrixListener)
* @param userName user name
* @param callOrigin call origin
* @param userType user type
* @param userToken user token, if any
* @return internal call callcontext
*/
public InternalCallContext createInternalCallContext(@Nullable final Long tenantRecordId, @Nullable final Long accountRecordId, final String userName,
final CallOrigin callOrigin, final UserType userType, @Nullable final UUID userToken) {
return createInternalCallContext(tenantRecordId, accountRecordId, userName, callOrigin, userType, userToken, null, null, null, null);
}
/**
* Create an internal call callcontext without populating the account record id
*
* This is used for update/delete operations - we don't need the account id in that case - and
* also when we don't have an account_record_id column (e.g. tenants, tag_definitions)
*
* @param context original call callcontext
* @return internal call callcontext
*/
public InternalCallContext createInternalCallContextWithoutAccountRecordId(final CallContext context) {
// If tenant id is null, this will default to the default tenant record id (multi-tenancy disabled)
final Long tenantRecordId = getTenantRecordIdSafe(context);
populateMDCContext(context.getUserToken(), null, tenantRecordId);
return new InternalCallContext(tenantRecordId, context, context.getCreatedDate());
}
// Used when we need to re-hydrate the callcontext with the account_record_id (when creating the account)
public InternalCallContext createInternalCallContext(final Long accountRecordId, final InternalCallContext context) {
final ImmutableAccountData immutableAccountData = getImmutableAccountData(accountRecordId, context.getTenantRecordId());
final DateTimeZone accountTimeZone = immutableAccountData.getTimeZone();
final DateTimeZone fixedOffsetTimeZone = immutableAccountData.getFixedOffsetTimeZone();
final DateTime referenceTime = immutableAccountData.getReferenceTime();
populateMDCContext(context.getUserToken(), accountRecordId, context.getTenantRecordId());
return new InternalCallContext(context, accountRecordId, accountTimeZone, fixedOffsetTimeZone, referenceTime, context.getCreatedDate());
}
// Used during the account creation transaction (account not visible outside of the transaction yet)
public InternalCallContext createInternalCallContext(final TimeZoneAwareEntity accountModelDao, final Long accountRecordId, final InternalCallContext context) {
// See DefaultImmutableAccountData implementation
final DateTimeZone accountTimeZone = accountModelDao.getTimeZone();
final DateTimeZone fixedOffsetTimeZone = AccountDateTimeUtils.getFixedOffsetTimeZone(accountModelDao);
final DateTime referenceTime = accountModelDao.getReferenceTime();
populateMDCContext(context.getUserToken(), accountRecordId, context.getTenantRecordId());
return new InternalCallContext(context, accountRecordId, accountTimeZone, fixedOffsetTimeZone, referenceTime, context.getCreatedDate());
}
public InternalCallContext createInternalCallContext(final DateTimeZone accountTimeZone, final DateTimeZone fixedOffsetTimeZone, final DateTime referenceTime, final Long accountRecordId, final InternalCallContext context) {
populateMDCContext(context.getUserToken(), accountRecordId, context.getTenantRecordId());
return new InternalCallContext(context, accountRecordId, accountTimeZone, fixedOffsetTimeZone, referenceTime, context.getCreatedDate());
}
private InternalCallContext createInternalCallContext(@Nullable final Long tenantRecordId,
@Nullable final Long accountRecordId,
final String userName,
final CallOrigin callOrigin,
final UserType userType,
@Nullable final UUID userToken,
@Nullable final String reasonCode,
@Nullable final String comment,
@Nullable final DateTime createdDate,
@Nullable final DateTime updatedDate) {
final Long nonNulTenantRecordId = Objects.requireNonNullElse(tenantRecordId, INTERNAL_TENANT_RECORD_ID);
final DateTimeZone accountTimeZone;
final DateTimeZone fixedOffsetTimeZone;
final DateTime referenceTime;
if (accountRecordId == null) {
// TENANT_CONFIG_CHANGE event for instance
accountTimeZone = null;
fixedOffsetTimeZone = null;
referenceTime = null;
} else {
final ImmutableAccountData immutableAccountData = getImmutableAccountData(accountRecordId, nonNulTenantRecordId);
accountTimeZone = immutableAccountData.getTimeZone();
fixedOffsetTimeZone = immutableAccountData.getFixedOffsetTimeZone();
referenceTime = immutableAccountData.getReferenceTime();
}
populateMDCContext(userToken, accountRecordId, nonNulTenantRecordId);
return new InternalCallContext(nonNulTenantRecordId,
accountRecordId,
accountTimeZone,
fixedOffsetTimeZone,
referenceTime,
userToken,
userName,
callOrigin,
userType,
reasonCode,
comment,
createdDate != null ? createdDate : clock.getUTCNow(),
updatedDate != null ? createdDate : clock.getUTCNow());
}
private ImmutableAccountData getImmutableAccountData(final Long accountRecordId, final Long tenantRecordId) {
Preconditions.checkNotNull(accountRecordId, "Missing accountRecordId");
final InternalTenantContext tmp = new InternalTenantContext(tenantRecordId, accountRecordId, null, null, null);
try {
final ImmutableAccountData immutableAccountData = accountInternalApi.getImmutableAccountDataByRecordId(accountRecordId, tmp);
Preconditions.checkNotNull(immutableAccountData, "Unable to retrieve immutableAccountData");
return immutableAccountData;
} catch (final AccountApiException e) {
throw new RuntimeException(e);
}
}
private void populateMDCContext(@Nullable final UUID userToken, @Nullable final Long accountRecordId, final Long tenantRecordId) {
if (accountRecordId != null) {
MDC.put(MDC_KB_ACCOUNT_RECORD_ID, String.valueOf(accountRecordId));
}
MDC.put(MDC_KB_TENANT_RECORD_ID, String.valueOf(tenantRecordId));
// Make sure that if there is already a userToken in the MDC context, don't overwrite it
if (userToken != null) {
MDC.put(MDC_KB_USER_TOKEN, userToken.toString());
}
}
//
// Safe NonEntityDao public wrappers
//
// Safe method to retrieve the account id from any object
public UUID getAccountId(final UUID objectId, final ObjectType objectType, final TenantContext context) {
final Long accountRecordId = getAccountRecordIdSafe(objectId, objectType, context);
if (accountRecordId != null) {
return nonEntityDao.retrieveIdFromObject(accountRecordId, ObjectType.ACCOUNT, objectIdCacheController);
} else {
return null;
}
}
// Safe method to retrieve the record id from any object (should only be used by DefaultRecordIdApi)
public Long getRecordIdFromObject(final UUID objectId, final ObjectType objectType, final TenantContext context) {
try {
if (objectBelongsToTheRightTenant(objectId, objectType, context)) {
return nonEntityDao.retrieveRecordIdFromObject(objectId, objectType, recordIdCacheController);
} else {
return null;
}
} catch (final ObjectDoesNotExist e) {
return null;
}
}
//
// Safe NonEntityDao private wrappers
//
private Long getAccountRecordIdSafe(final UUID objectId, final ObjectType objectType, final TenantContext context) {
if (objectBelongsToTheRightTenant(objectId, objectType, context)) {
return getAccountRecordIdUnsafe(objectId, objectType);
} else {
throw new IllegalStateException(String.format("Object id=%s type=%s doesn't belong to tenant id=%s", objectId, objectType, context.getTenantId()));
}
}
private Long getAccountRecordIdSafe(final UUID objectId, final ObjectType objectType, final Long tenantRecordId) throws ObjectDoesNotExist {
if (objectBelongsToTheRightTenant(objectId, objectType, tenantRecordId)) {
return getAccountRecordIdUnsafe(objectId, objectType);
} else {
throw new IllegalStateException(String.format("Object id=%s type=%s doesn't belong to tenant recordId=%s", objectId, objectType, tenantRecordId));
}
}
private Long getTenantRecordIdSafe(final TenantContext context) {
// Default to single default tenant (e.g. single tenant mode)
// TODO Extract this convention (e.g. BusinessAnalyticsBase needs to know about it)
if (context.getTenantId() == null) {
return INTERNAL_TENANT_RECORD_ID;
} else {
// This is always safe coming from JAX-RS (the tenant context was created from the api key and secret),
// but not when coming from plugins via API
return getTenantRecordIdUnsafe(context.getTenantId(), ObjectType.TENANT);
}
}
private UUID getTenantIdSafe(final InternalTenantContext context) {
return nonEntityDao.retrieveIdFromObject(context.getTenantRecordId(), ObjectType.TENANT, objectIdCacheController);
}
private UUID getAccountIdSafe(final InternalTenantContext context) {
return context.getAccountRecordId() != null ? nonEntityDao.retrieveIdFromObject(context.getAccountRecordId(), ObjectType.ACCOUNT, objectIdCacheController) : null;
}
//
// In-code tenant checkers
//
private boolean objectBelongsToTheRightTenant(final UUID objectId, final ObjectType objectType, final TenantContext context) throws ObjectDoesNotExist {
final Long realTenantRecordId = getTenantRecordIdSafe(context);
if (realTenantRecordId == null) {
throw new ObjectDoesNotExist(String.format("Tenant id=%s doesn't exist!", context.getTenantId()));
}
return objectBelongsToTheRightTenant(objectId, objectType, realTenantRecordId);
}
private boolean objectBelongsToTheRightTenant(final UUID objectId, final ObjectType objectType, final Long realTenantRecordId) throws ObjectDoesNotExist {
final Long objectTenantRecordId = getTenantRecordIdUnsafe(objectId, objectType);
return objectTenantRecordId.equals(realTenantRecordId);
}
//
// Unsafe methods - no context is validated
//
private Long getAccountRecordIdUnsafe(final UUID objectId, final ObjectType objectType) {
return nonEntityDao.retrieveAccountRecordIdFromObject(objectId, objectType, accountRecordIdCacheController);
}
private Long getTenantRecordIdUnsafe(final UUID objectId, final ObjectType objectType) {
final Long objectTenantRecordId = nonEntityDao.retrieveTenantRecordIdFromObject(objectId, objectType, tenantRecordIdCacheController);
// The tenant should always exist at this point
if (objectTenantRecordId == null) {
throw new ObjectDoesNotExist(String.format("Object id=%s type=%s doesn't exist!", objectId, objectType));
}
return objectTenantRecordId;
}
public static final class ObjectDoesNotExist extends IllegalStateException {
public ObjectDoesNotExist(final String s) {
super(s);
}
}
}
