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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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- 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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- Remove unused imports, commented code and copy-pasted code
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- MZS cant reply with a msg:DeliveryRequestStatusType to a
mzs:DeliveryRequest. Reason: unmarshalling a
msg:DeliveryRequestStatusType with JAXB (after receiving the msg
reply) breaks the signature in msg:DeliveryRequestStatusType. Why?
Because JAXB marshalling tinkers with the namespaces and, as for the
current state of knowledge, we cannot configure the JAXB marshaller
to reconstruct a XML Document byte-by-byte such that a signature
that went through this process can be verified successfully (see [1]).
- For this reason, we revert back to mzs:DeliveryResponse and add new
fields / remove obsolete fields / capture all changes between zusemsg
1.5.3 and zusemsg 2.0.0.
- The easier solution would be to wrap and transmit signed data +
signature in a binary (base64) container, such that apache cxf and
other web service frameworks won't unmarshall them. This doesnt work
because zusemsg 2.0.0 is final.
app2mzs.xsd Changes in Detail :
- Add DeliverySystem, ZSDeliveryID and GZ to MessageType (MessageType
is the base type of DeliveryResponse.Success, -PartialSuccess, and
-Error); Reason: It was added to zusemsg 2.0.0.
- Add SignedDeliveryRequestStatus to MessageType. Reason: If msg
returns signed reply, this element contains the reply as byte[] such
that the signature does not break.
- Add optional PreadvicenoteSend to ErrorType (because it was added in
zusemsg 2.0.0)
- Remove MZSDeliveryID from every instance because this ID does not
exist anymore (moa zs does not maintain requests in a database).
- Remove DocumentReference from ErrorType as it was removed from
zusemsg 2.0.0.
- Remove DeliveryConfirmation as node in DeliveryNotificiationType
because it does not exist anymore in zusemsg 2.0.0;
DeliveryConfirmation is also obsolete because all msg' replies are
signed and need to be transferred to the sender application as a
byte[], which is done by SignedDeliveryRequestStatus node in
MessageType.
- Remove DeliveryStatement as node in DeliveryNotificiationType
because it does not exist anymore in zusemsg 2.0.0.
Other Changes
- Adapt codebase: MzsService returns mzs:DeliveryResponse.
- Implement conversion from msg:DeliveryRequestStatus to
mzs:DeliveryResponse.
- Add store / retrieve interface to DeliveryRepository that stores
signed delivery request statuses as byte[].
Temporary Changes
- Disable integration tests which have external dependencies.
[1] https://download.oracle.com/javaee-archive/jaxb.java.net/users/2007/03/6674.html
Signed-off-by: Christof Rabensteiner <christof.rabensteiner@iaik.tugraz.at>
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- Use correct marshaller bean (mzsMarshaller).
- Replace RuntimeException with MoaZSException.
- Remove pointless cast.
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- Reason: Improves readability and makes import statetemens shorter
and more consistent
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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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