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- JAXB Hack: Handle InterruptionException properly (as in [1], "Dont
swallow Interrupts")
- Mzs2MsgConverter: Rename convert(Person) to
convertReceiverPerson(Person) to emphasize that this method can only
be used to convert Receiver Persons (Reminder: Receiver Persons are
PhysicalPersons / CorporateBodies. SenderPersons can also be
Authorities)
- Mzs2MsgConverter: Remove assertion because not needed anymore.
- Refactor: Move mzs:DeliveryRequest validation out ouf augmenter and
into service.
- Refactor: Create a single entry point for validating a
mzs:DeliveryRequest.
- Remove unused imports.
- Fix log messages.
[1] https://www.ibm.com/developerworks/java/library/j-jtp05236/index.html?ca=drs-#2.1
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- Problem: Jaxb + JAVA >= 9 Runtime + Tomcat = ClassNotFoundException:
ContextFactory.
Reason: Apparently, jaxb uses the "wrong" classloader (the system
classloader via the thread classloader) and this classloader does
not know about jaxb api's and implementations at runtime since
oracle decided to move jaxb* out of JRE.
Solution: create a new thread, override the thread's "thread"
classloader with the "class" classloader and do all jaxb
interactions in that thread. See:
https://sjhannah.com/blog/2018/11/21/jaxb-hell-on-jdk-9/
- Move "run jaxb interactions in own thread with class class loader"
code into own component (JaxbClassNotFoundFix,
runInTheadWithClassClassLoader) and wrap ClientFactory and
Marshaller code into the "runInTheadWithClassClassLoader".
- Ensure that app can be deployed in a Tomcat container (by following
this guide: https://www.baeldung.com/spring-boot-war-tomcat-deploy)
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- Reason: Integration tests need configuration, but config files
should not be packaged into the final artifact.
- Update paths.
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Schema Changes:
- Remove mzs:DeliveryRequest/TnvzMetaData because all metadata fields
can be collected from DeliveryRequest and redundancy is not needed.
Fixes and Refactoring in preprocess:
- MzsDeliveryRequestValidator: Instead of returning false, throw an
exception when a condition is not met, and explain which condition
is not met / why it is not met in the exception's message.
- Integrate interface change in ConfigProfileGenerator and
DeliveryRequestAugmenter.
- Rewrite and simplify DeliveryRequestAugmenter's augmentation.
- ConfigUtil Fixes: Ensure that we do not override the wrong
parameters while merging. This error appeared in tnvz / msg client,
connection / receive timeout, key / trust store, and lax hostname
verification / trust all.
Fix Bugs in Interceptor / SoapUtils:
- Problem: DOM access and information extraction was implemented
somewhat sloppy.
- SolutioN: Change DOM access interface to access DOM more
efficiently. Add boundary checks and handle edge cases while
extracting information from SOAP Messages.
- Test those changes properly.
Testing:
- Implement Delivery Request Flow in ITEndToEndTest.
- Start application on random port instead of fixed port when running
integration tests.
- Add assertions to tests in ITMzsServiceTest suite.
Others Bug Fixes:
- ServicesConfig: Ensure that mzs service and msg service run on
different endpoint addresses (/msg and /mzs).
- DeliveryRequestBackend: Throw exception when binary message is
missing. Don't wrap the exception.
- SaveResponseToFileSink: Wrap Response in JAXB Element (otherwise,
marshaller does not recognize it)
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- Fix typo in SafeResponseToFileSink.
- MoaZSException: Simplify constructor by replacing lots of arguments
with the builder instance.
- Fix minor codesmells (unused imports, superfluous braces).
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- Reason: Components, which rely on one of those, usually also rely on
the other, so merging them reduces amount of dependencies.
- Frame operations in DeliveryRepository API as "store" and "retrieve"
operations.
- Rename: Convert *Id in local variable names to upper case.
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StoreSOAPBodyBinaryInRepositoryInterceptor:
- Replace "generate body's id via concatenation" with "give the right
generator function the app delivery id and let the generator
function do the work". Reason: Prevent the logistics of deriving IDs
to spill into unrelated components.
MsgResponse refactor:
- Make MsgResponse an abstract class.
- Derive ResponseID's ONLY in MsgResponse::createResponseID.
Others:
- Ensure that all invocations to DeliveryRepository.getResponse and
BinaryRepository.get use "responseID" instead of ambiguous "id" or
incorrect "appDeliveryID".
- Move SingleThreadedDeliveryPipeline into process package.
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- Add zuse2app.wsdl contract.
- Add MsgResponse as an type-agnostic view for DeliveryRequestStatus
and DeliveryNotification messages. Reason: Both DeliveryNotification
and DeliveryRequestStatus messages have similar fields and need to
be treated similarly (e.g.: receive from msg service, store to
repository, verify signature, store to file...). In order to prevent
duplicated code, the wrapper interface provides a type-agnostic view
onto these messages for depending components to operate on.
- Add MsgResponseHandler interface; decides how to process
MsgResponse. Also implement this handler with a multi-threaded
single-node implementation.
- Add MsgResponseSink interface; decides how to archive MsgResponse.
- Implement and test SafeResponseToFileSink.
Change Identifier for MsgResponses:
- Before, DeliveryRequestStatus and DeliveryNotifications had their
own repositories. Now, both types are stored in the same repository
(the MsgResponse repository) to streamline the handling of
MsgResponses. We need to change the identification of MsgReponses,
otherwise the identifiers (AppDeliveryID) clash.
- MsgResponses are not identified by:
<AppDeliveryId>+<typeSpecificSuffix>
- Rewrite StoreSOAPInterceptor to accommodate fact that, both
DeliveryRequestStatus and DeliveryNotification messages have
different IDs upon storage / retrieval.
Restructure packages and components as follows:
- client: All components that are involved when consuming a web service.
- process: "fabric" of MoaZS; contains business logic that
orchestrates back-end tasks of MoaZS's operational services, e.g.:
by processing a delivery request.
- service: Implementation of MoaZS's front-end services.
Refactoring:
- MoaZSException: Remove unused fields. Before: Store mzsrequest,
tnvzresult, msgrequest and msgresult as members. Now: Only keep the
fields that are needed later, e.g for generating a
msg:DeliveryRequestStatus element. Add copy constructor to Builder.
- Put storage of byte[] into a dedicated "BinaryRepository". Reason:
This was useful in a former design. Now it's not really needed
anymore.
- Put "create Endpoint" code into EndpointFactory. Reason: Eliminate
duplicated code when configuring a service.
Testing:
- Activate Stacktraces in surefire.
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- Move components that depend on the service contracts into scheme
package.
- Move cxf related components into util package.
- Rename SameThread to SingleThreaded.
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- Print a big scary warning message for everyone who enables "trustAll"
- Test TrustAll and LaxHostNameVerification
- Describe test case requirements and add key material needed to run
these test cases.
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- Add Component to create SSLContexts with own Key- and trust store.
- Inject SSLContext into HTTP Client.
- Add EAAF-Components Core Dependency, which is needed by
SSLContextCreator (KeyStoreUtils).
Schema Changes in mzs:DeliveryRequest/Config:
- Got Rid of mzs:DeliveryRequest/Config/Server. In mzs 1.4.1,
Server replaces the result of zkopf query person request. Since this
zkopf interface does not exist anymore, Server was removed.
- Add ClientType, which holds all parameters needed to connect to a
service (Url, SSL params, a.o.).
Configuration:
- Add default parameters for SSL Clients in application.yaml.
- Merge default parameters into incoming mzs:DeliveryRequests.
MoaZSException Fixes:
- Remove "Extends throwable" from Builder.
- Add convenient shorthand init method (message, throwable).
Refactor:
- Put "determinePath" to FileUtils.
- Put string related utility functions into StringUtils.
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- Add egovutils dependency (Reason: Need DomUtils to serialize /
unserialize Soap Message via DOMParser)
- Add Incerceptor to MsgClient / -Factory that stores the message
content byte-by-byte in the DeliveryRepository. The format is
required for successfully validating a DeliveryRequestStatus.
- Add SoapUtils, which interacts with byte[] Soap message.
- Add CXFMessageUtils, which interacts with CXF Messages from
interceptor chains.
- Refactor xsd namespaces: Move them out from the PrefixMapper and
into a dedicated class.
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- Change app2mzs interface: output message from
app2mzs:DeliveryRequest was app2mzs:DeliveryResponse, now its
msg:DeliveryRequestStatus. Reason: ZD returns
msg:DeliveryRequestStatus which is signed. Moazs does not convert
msg:DeliveryRequestStatus into app2mzs:DeliveryResponse because the
conversion woudl break the signature.
- App2MzsService: Make beans final and inject them with constructor;
Refactor DeliveryRequestHandler into App2MZSService.
- DeliveryPipeline: Add Interface and a "SameThreadImplementation"
that executes the pipeline in the same threat and can be used in
single mode.
- DeliveryRepository: Augment interface for storing and retrieving
request status objects; Add in-memory-implementation for status objects.
- Utils: Add helper function for coalescing multiple values
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