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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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- Change app2mzs schema: Add Custom Headers to ClientType Element.
- Set custom headers in ClientFactory.
- Parse custom headers from spring environment.
- Merge custom headers from two different profiles.
- Add example to application.yaml.
- Test conversion of custom headers from spring profile
- Test merging and overriding custom headers.
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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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- Service Timeout : Add service timeout to mzs schema (DeliveryRequest
/ Config), application.yaml, convert service timeout from spring
environment to Config, and merge service timeouts in Configs.
- Handling of Asynchronous DeliveryRequestStatus: Move "Applying
Response Sinks" from backend into dedicated component
"MsgResponseSinkHub" and integrate SinkHub into MzsService (apply
sinks to asynchronous responses).
- Remove line breaks in SignatureVerifier's log statements.
- Revise documentation of parameters in application.yaml.
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Reason: MoaZSException (and: its builder) were used to collect
intermediary results while stepping through the delivery request
backend. These results were needed to generate meaningful responses
towards the sender application in case of error. However, the builder
sprawled over too many interfaces (e.g. DeliveryRequestBackend and
TNVZHelper) and it became difficult to understand from where
intermediary results originated.
Solution: Put MoaZSException on diet:
- Remove all DeliveryAnswer fields from MoaZSException and refactor
code base to ensure that the removed fields get sourced by other
means.
- Remove Builder since amount of parameters is manageable.
Refactor DeliveryRequestBackend:
- Instead of passing down the builder and using MoaZSException as the
only source for intermediary results, we collect available results
at the outermost stack frame (DeliveryRequestBackend.accept) and
only retrieve results via exception if those results appear
somewhere down the stack frame (E.g. PredviceNoteSent). We collect
available results with the "fallbackAnswerBuilder" and switch to the
msg client response, once received.
Refactor MsgResponseBackend:
- Handle cases (response missing, binary response missing) properly.
- Integrate changes from MsgResponse.generateError()
Refactor TVNZHelper:
- Remove MoaZSExceptionBuilder from all interfaces.
Refactor MsgResponse.generateError:
- Change interface such that it's more intuitive.
- Implement NotificationResponse.generateError.
- Implement RequestStatusResponse.generateError.
Others:
- Replace all invocations against MoaZSException.Builder.
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Mzs Schema Changes:
- Formerly: The mzs:DeliveryNotificationType is a choice between
Success And Error; Change: Wrap choice in a sequence. Reason: msg
2.0.0 adds fields that fit best in this sequence. Adding new fields
to Success or Error duplicates code, whereas adding it to the base
type (which is MessageType) also affects mzs:DeliveryRequestStatus.
- Add msg:SenderDetails, ReceiverDetails, user, AdditionalFormat,
NotificationsPerformed; Reason: It was added to zusemsg 2.0.0.
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MZS Schema Change:
- Add configuration for ForwardResponseToServiceSink
(add parameters in mzs:DeliveryRequest/Config)
- Add sink configuration in application.yaml, convert from Spring
Environment to ConfigType, and merge ConfigTypes.
- Validate sink configuration completeness.
Contract added:
- Add contract mzs2app.wsdl: This contract specifies how
mzs:DeliveryRequestStatus' and mzs:DeliveryNotifications are
forwarded to the sender application.
- Implement "ForwardResponseToService" Sink.
- Add and implement MsgResponse.sendToMzsClient() : This is a somewhat
unfortunate solution because, intuitively, sending should be done by
it's caller, the "ForwardResponseToService"-sink. However, this
solution prevents differences between msg:DeliveryRequestStatus and
msg:DeliveryNotification (and code that needs to handle differences,
i.e. sending) from sprawling outside of the respective MsgResponse
derivatives. We move the entire "send" process into MsgResponse to
prevent a hard-to-maintain "if type == notification then do x else
to y" construct in ForwardResponseToServiceSink. Otherwise,
introducing the MsgResponse wrapper was pointless.
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- Fix in ConfigUtil: SaveResponseToFile boolean would override
LogResponse configuration (Copy Paste Error).
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- MZS Schema Change: Add "MsgResponseSinks" element to
mzs:DeliveryRequest/Config that allows sender to configure how
MsgResponses should be archived.
- ConfigUtil: Interpret MsgResponseSink parameters from Spring
Environment and merge with ConfigType.
- MsgResponseBackend: Send responses to sinks according to
MsgResponseSinks in Config
- application.yaml: Add MsgResponseSinks parameter to configuration.
- Uncouple Sink implementations from java.util.function.Function,
because the sink interfaces are going to differ and there is no need
to unite them under one interface.
- Add and test LogResponseSink, which logs responses to it's logger.
- MsgResponse: Add JAXB getter for response. Reason: Can be passed to
marshaller.
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Reason:
- Interfaces with a single method can be replaced with
interfaces from java.util.function.
- Less interfaces = less code = less maintenance!
- Spring can inject beans by name so we name dependencies correctly
to prevent ambiguity.
Others:
- Rename process to backend since backend gives a better description
of its components.
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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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...by checking if log level is active before converting byte[]
SOAPMessages into Strings.
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- TnvzHelper: Handle edge case where
Mzs/DeliveryRequest/Sender/CorporateBody is missing (Reason: This
field is in a <choice> with msg:SenderProfile, so if CorporateBody
is missing the request still passes the schema validation). Handle
case by rejecting missing CorporateBody and TnvzQuery activated.
- Add test cases for TnvzHelper.
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TnvzHelper Fixes
- Handle additional edge cases.
- Mzs:Schema Change: Eliminate PreAdviceNote redundancy by removing it
from mzs:DeliveryRequest/TnvzMetaData; PreadviceNote is already in
the Receiver element. Update TnvzHelper accordingly.
- Implement and integrate tnvz completeness check into
DeliveryRequestAugmenter to ensure that, after augmentation, tnvz
can be performed.
Refactor mzs:DeliveryRequest Validation:
- Before: Validating, merging and generatig ConfigType in ConfigUtil.
- Change: Need to add validation of DeliveryRequest (Reason: For
performing Tnvz Requests, the DeliveryRequest needs to be in a
consistent state).
- Problem: DeliveryRequest validation does not fit into ConfigUtil.
- Solution: Put validation of DeliveryRequest and Config into new
Component "MzsValidation".
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- Merge TnvzClient and TnvzResultVerifier to TnvzHelper; TnvzHelper
now builds the QueryPersonRequest, sends it to the tnvz port and
evaluates the result.
- Publish some interfaces in Mzs2MsgConverter because they are needed
by TnvzHelper.
- Generalize MsgClientFactory to ClientFactory such that it can be
used to generate arbitrary SOAP clients (e.g. also for tnvz!).
Schema Changes to accomodate Tnvz's QueryPersonRequest:
- Add optional tnvz:AustrianAddressesOnly and optional TnvzMetaData to
mzs:mzs:DeliveryRequest.
Removed Unit Tests:
- Remove subset of SameThreadDeliveryPipeline testcases (mimetype
related) because its logic moved to TnvzHelper.
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- EgovUtils were needed because of DomUtils. Replace it with eaaf
components' DomUtils.
- Add test case to ensure SoapUtils still works as intended. - Remove
unused import statement
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Per default, integration tests are excluded from build. They can be
included with the `-P integration-test` argument.
- Pom: Add maven profile for integration tests.
- Rename integration tests (add `IT` prefix).
- Move Resources into IT* folders.
- Add MsgClientTest to test suite and add assertions to each test case.
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- Move JaxbM initialization into Marshaller such that it can be used
in tests without Spring's Application Context.
- Remove SpringRunner from Mzs2MsgConverter Test, which makes the test
run faster.
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- Also: Ensure that truststore is of type JKS because PKCS12 is not
supported.
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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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- Refactor: Get rid of MsgClient, because MsgClientFactory can do all the work.
- Add Connection Timeout and Request Timeout (Policies of HTTP Client)
to mzs:DeliveryRequest/Config and application.yaml.
- Update readme: Add JDK 12 Requirement
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- Switch to java 12 for now. Reason: Bug [1] in JDK 11 (up to
jdk-11+28) impairs SSLHandshake ("Unsupported Operation Exception"),
but was fixed in Java 12.
- Set HTTP policy to infinite.
- Fix key/truststore path resolution
- Fix NPE in ConfigUtil.merge
- Rearrange application.yaml to include two config profiles (one with
and one without SSL for the msg client).
- Add key material for testcases (Note: expires: May 2 14:47:08 2020 GMT)
- Update MsgClient Testcases
[1] https://bugs.openjdk.java.net/browse/JDK-8214098
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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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- Resolve nested try-catch blocks
- Log error if error occurs
- MoaSPSSSignatureVerifier: Replace string concatenation with format strings
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- Interpret `ISignatureVerificationService` response properly (by
following security layer spec [1] and moaspss handbook [2]).
- Add config flag `moa.spss.is-manifest-check-active`
- Change SignatureVerifier Interface: Remove @return boolean, just
throw an exception when a validation error occurs. Reason: In case
the signature cannot be validated, the application always needs the
reason for the validation error, which requires the verifier to
throw an exception. In turn, the only valid return value for
`verify()` becomes `true`, which can be omitted at that point.
- Add testcase for verifying a valid enveloped xml signature
- Remove Certificates that are not needed.
[1] https://www.buergerkarte.at/konzept/securitylayer/spezifikation/20140114/core/core.html
[2] https://apps.egiz.gv.at/handbooks/moa-spss/handbook/handbook/usage/usage.html
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Fixing "ASN.1 creation error: iaik.asn1.CodingException: Length: Too
large ASN.1 object: 109"
- Set fallback value ('jks') for system property
'javax.net.ssl.keyStoreType' and 'javax.net.ssl.trustStoreType'. If
system property is not defined, MoaSigConfig falls back to value
from spring environment. Reason: Without this property explicitly
set to JKS, the inclusion of eaaf-components-moa-sig-lib breaks the
HTTP client builder and the ASN.1 creation error arises. See [1] for
explanation.
- Why fall back: Allows a user to configure these parameters via
command line, but gives meaningful defaults in case of absent
command line properties. Furthermore, these parameters can be configured via
application.yaml or .properties.
Others:
- Set fallback value for system property
'moa.spss.server.configuration'. If system property is not defined,
fall back to value from spring environment. Reason: Allows a user to
configure these parameters via command line while providing
meaningful defaults in case of absent command line properties.
- Add switch 'moa.spss.is-active' to enable / disable signature verification.
- Change log levels of at.gv.* and iaik.* packages to INFO
- Add default certstore (copied from EAAF Components).
- Add mzs root certificate to cert- and truststore.
- Update readme's installation requirements and guide.
Refactor:
- Extract public interface of SignatureVerification class.
- Rename trustprofile folder.
[1] Why eaaf-components-moa-sig-lib breaks HTTP client:
- Including eaaf-components-moa-sig-lib includes IAIK's jca/jce and
xsect, which in turn injects the iaik provider for cryptographic
operations and its own key store (iaik.pkcs.pkcs12.PKCS12KeyStore).
- The Apache HTTP client builder will ask for a
java.base/javax.net.ssl.SSLSocketFactory because it creates an SSL
context, even if the connection runs without SSL.
- Somewhere down the stack, this will trigger the TrustStoreManager to
hand over the systems default trust store (a JKS file) to IAIK's
PKCS12KeyStore. This happens if the type properties of the trust
stores are not set.
- Oracle relaxed a precondition of this trust store (somewhere in
between Java 8 and 11) in the TrustStoreManager: Formerly, the trust
store was a JKS object. Now, the trust store can be both a JKS and a
PKCS12 object. The TrustStoreManager expects the key store to handle
both types, and Oracle's keystore does. However, IAIK's key store
cannot handle a JKS object, but since eaaf-components-moa-sig-lib
was included, the IAIK key store comes first.
- PKCS12KeyStore expects a PKCS12 file but receives a JKS file ->
Parser Error.
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- Verify signature via ISignatureVerificationService.
- Override System Property moa.spss.server.configuration via spring's
environment (Reason: can configure path to moa SPSS config file via
application.yaml & moa SPSS needs this parameter to find the config
file)
- Setup test configuration directory for moaspss in
src/main/resources/moa-spss
- Readme: Explain how to install moaspss' dependencies into local
repository.
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- Ensure proper communication of errors between pipeline and mzs
service by converting MoaZSExceptions into DeliveryRequestStatus
messages.
- Revise MoaZSException: Add optional fields; those fields are a)
helpful to construct meaningful error messages and b) optional
because, depending on where an exception appears, either existent or
non-existent and thus optional. Add inner-class Builder.
- Integrate Signature Verification into pipeline and add Stub for
SignatureVerification.
- Move TNVZResponse's Mimetype check into dedicated class (Reason:
separate abstration layers).
- Update api changes in testcases.
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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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- Remove unused imports, commented code and copy-pasted code
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