Update canonical URLs after CH EPR FHIR ballot has succeeded

Mobile Access Gateway

The Mobile Access Gateway is an implementation based on the CH EPR mHealth (CI-Build) implementation guide.
It provides a FHIR Gateway supporting the PIXm and MHD server actors and uses XDS/PIXV3 to communicate with an XDS Affinity Domain.

It uses IPF and HAPI-FHIR.

Test setup

Current configuration works with XDSTools7, a simulator is setup where the Mobile Access Gateway connects.

Patient Manager is used for simulating PIX V3.

See client.http for example calls to the Mobile Access Gateway.

Run the JAR

Clone https://github.com/oehf/ipf.git
run mvn clean install -DskipTests in this directory, this should produce 4.0-SNAPSHOT (you need at least jdk11)
Clone this repo
Install the dependencies: mvn install
Either run it from your favorite IDE or in the CLI: mvn clean compile && mvn exec:java -Dexec.mainClass="ch.bfh.ti.i4mi.mag.MobileAccessGateway"

To run your own configuration stored in a properties file use the -Dspring.config.additional-location switch. Any config parameter that is not specified in the file will be taken from the defaults. If your config file is called "myownconfig.properties" run it using: mvn clean compile && mvn exec:java -Dexec.mainClass="ch.bfh.ti.i4mi.mag.MobileAccessGateway" -Dspring.config.additional-location=file:myownconfig.properties

publish docs

documentation is maintained in docs folder using mkdocs-material:

develop docs: mkdocs serve
publish docs: mkdocs gh-deploy --force

docs are then available at https://ahdis.github.io/matchbox/

Caution

a @ComponentScan had to be added to the main Application class, otherwise the routes / component could note be defined (see open issues)

Dev environment

Eclipse setup

install lombok
in pom.xml xpp3 has to be excluded, otherwise there is an error message with the java compiler (The package javax.xml.namespace is accessible from more than one module: , java.xml)

VSCode

Java Extension needed

open issues

ipf-platform-camel-ihe-fhir-r4-pixpdq works not nicely with spring-boot together, is the META-INF directory not added to the output source?

GUI

The GUI is an Angular project stored in the angular/ directory. The compiled project is stored in the Java application resources (src/main/resources/static/). If you modify the Angular project, you have to rebuild it:

cd angular
npm install
npm run build-mag

Deployment

The Mobile Access Gateway can run in a docker container and can be deployed to a Kubernetes cluster.

Building an image

To create a new docker image run:

mvn clean package
docker build -t mag:v059 .

Where "mag" is the image name and v030 is the version. Then push to a registry.

Creating a configuration

Create an empty folder ("myconfig" in this example) and copy the contents of the example-config directory.
Edit the application.yml. Leave the pathes for the keystores as they are.
Provide p12 or jks keystores for the client certificate, the server certificate and for IDP.

Deploying to Kubernetes

Edit myconfig/kubernetes-config.yml as you need it
Create a config map for "application.yml" kubectl create configmap mobile-access-gateway-configmap --from-file=application.yml=myconfig/application.yml
Create a secret for the certificates and keys kubectl create secret generic mobile-access-gateway-secret --from-file=client.jks=myconfig/client-certificate.jks --from-file=server.p12=myconfig/server-certificate.jks --from-file=idp.jks=myconfig/idp.jks
Upload configuration kubectl apply -f myconfig/kubernetes-config.yml

Adding a new identity provider

1. Preparations

Select a short identifier (no spaces, no special characters) for the IDP you want to connect to. This identifier will be called in this guide. (example: "trustid")

Which instance of the MAG should be able to connect to the IDP? You need a separate registration for each instance. The base-url of the MAG instance including protokoll, domain, port (if not 80 or 443) and base path will be called . (example: "https://test.ahids.ch/mag-test")

2. Ask for IDP metadata

You need a metadata file from the IDP. Either this metadata is freely available in the internet under a fixed URL or you need to receive the file through another channel and store the metadata XML file in the MAGs configuration directory. An example IDP metadata file (for gazelle) can be found here: https://ehealthsuisse.ihe-europe.net/metadata/idp-metadata.xml

3. Generate signing and encryption keys

Signing and encryption keys for SAML are in an extra keystore specified in the "mag.iua.idp" section. It is possible to reuse keys from the keystore for multiple IDPs, but it might be better to have separate keys for each provider so that you can exchange the keys for a single provider only. Each provider might have different requirements about the keys and certificates used. (for example the certificate needs to contain a support email address) Here is an example how to create a signing key. Adopt according to requirements of IDP.

openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:4096 -keyout signKey.key -out signKey.crt

Repeat the same for the TLS key: (another example with extended requirements)

openssl req -x509 -sha256 -nodes -days 1460 -newkey rsa:4096 -extensions client_ext -extfile myssl.conf -outform PEM -keyout tlsKey.key -out tlsKey.cer 

myssl.conf must contain section:

# Client Certificate Extensions
[ client_ext ]
basicConstraints        = CA:FALSE
keyUsage                = critical, digitalSignature
extendedKeyUsage        = critical, clientAuth
subjectKeyIdentifier    = hash
authorityKeyIdentifier  = keyid:always
issuerAltName           = issuer:copy

Convert your keys into keystores and merge those. Choose an "alias" (a name) for both keys. Replace and with the chosen aliases.

openssl pkcs12 -export -in signKey.crt -inkey signKey.key -name "<sign-key-alias>" -out signKey.p12
openssl pkcs12 -export -in tlsKey.crt -inkey tlsKey.key -name "<tls-key-alias>" -out tlsKey.p12
keytool -importkeystore -srckeystore signKey.p12 -destkeystore tlsKey.p12 -alias <sign-key-alias>

5. Change MAGs configuration file

In the application.yml file for the MAG instance add a section to "mag.iua.idps". A section looks like this:

mag:
  iua:
     idps:
        <idp-name>:
          metadata-url: <metadata-url>
          key-alias: <sign-key-alias>
          key-password: <sign-key-password>
          tls-key-alias: <tls-key-alias>
          tls-key-password: <tls-key-password>

The is either the URL from step 2 or if you have a file instead it is the file path (without a prefix) for example "secret/metadata.xml". If the IDP has problems with the artifact resolution step you can put "noArtifactResolution: true" into the section. For the and use the keystore password for keys without additional password.

6. Run MAG and retrieve SP metadata file/url

Run the MAG with the updated configuration. You can now download the SP metadata file which needs to be communicated to the IDP provider. The metadata XML file may be downloaded from /saml/metadata/alias/ This file contains certificates, the SP entityID and URLs.

7. Register instance to IDP

Write an email to the IDP provider with either the metadata file itself and/or the URL where the metadata file can be downloaded.

8. Adopt frontend

In angular/src/app/mag/mag.component.html is the provider select list which may be extended with new entries.

	if (searchParameter.get_id() != null \|\| searchParameter.getIdentifier() != null) {
	GetDocumentsQuery query = new GetDocumentsQuery();
	if (searchParameter.getIdentifier() != null) {
	String val = searchParameter.getIdentifier().getValue();
	if (val.startsWith("urn:oid:")) {
	query.setUniqueIds(Collections.singletonList(val.substring("urn:oid:".length())));
	} else if (val.startsWith("urn:uuid:")) {
	query.setUuids(Collections.singletonList(val.substring("urn:uuid:".length())));
	}
	} else {
	query.setUuids(Collections.singletonList(searchParameter.get_id().getValue()));
	}
	searchQuery = query;

	const url =
	entry.content && entry.content.length > 0
	? entry.content[0].attachment.url
	: 'undefined';
	let completeUrl = url.replace(
	'http://test.ahdis.ch/mag-pmp/camel/xdsretrieve',
	'https://test.ahdis.ch/mag-pmp/camel/xdsretrieve'
	);
	let completeUrl2 = completeUrl.replace(
	'http://test.ahdis.ch/mag-pmp2/camel/xdsretrieve',
	'https://test.ahdis.ch/mag-pmp2/camel/xdsretrieve'
	);

	// CARA PMP
	// At least an authorPerson, authorTelecommunication, or authorInstitution sub-attribute must be present
	// Either authorPerson, authorInstitution or authorTelecom shall be specified in the SubmissionSet [IHE ITI Technical Framework Volume 3 (4.2.3.1.4)].
	person.setName(transform(new HumanName().setFamily("---")));

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