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Host Authentication Endpoint on a Different Server¶

The authentication endpoint contains the authentication URLs used in the authentication flow. You can use the default authentication endpoint webapp that is hosted on the MWARE IAM itself or host it on a separate server. You may want to host it separately for the purpose of having custom theming and branding.

The following topics describe how you can host the authentication endpoint on a different server outside the MWARE IAM (e.g., in a different Tomcat Server).

Set up the servers¶

First, let's set up the Tomcat server to host the authentication portal in your MWARE IAM.

Download and install MWARE IAM and Apache Tomcat on your local machine.

Info

Let’s consider the MWARE IAM installation as <IS_HOME> and the Tomcat installation as <TOMCAT_HOME>.
Download the setup-authentication-endpoint.sh script add it to the folder containing the MWARE IAM distribution.
Execute the following command to run the script:
```
sh setup-authentication-endpoint.sh
```
When prompted,
1. First enter the path to your WSO2-IS installation (<IS_HOME>)
2. Then enter the path to your Tomcat server’s webapps folder (<TOMCAT_HOME>/webapps)
Copy the authentication endpoint

When the Tomcat Server runs on a separate VM, we can not copy the authentication endpoint directly since the IS is in a different machine. So we need to first copy the authentication endpoint to a local directory using the script and then manually copy it to the Tomcat server VM’s webapps location.
1. Execute the step 3.
2. When prompted to enter the path to your MWARE IAM installation, enter it as mentioned in the step 3.
3. When prompted to enter the path to your Tomcat server’s webapps folder, enter a folder location of your local machine.
4. After completing the script, the authentication endpoint will copy to the given folder location.
5. Then manually copy the authentication endpoint to the Tomcat server VM’s webapps location.

This extracts the authentication portal web app from the given MWARE IAM distribution and adds it to the webapps folder of your Tomcat server with the libraries needed for it to be externally hosted.

Configure the Tomcat server¶

Now, let's configure the Tomcat server.

Open the <TOMCAT_HOME>/webapps/authenticationendpoint/WEB-INF/web.xml file, uncomment the following section, and update the configurations with the MWARE IAM URLs.

<context-param>
<param-name>IdentityManagementEndpointContextURL</param-name>
<param-value>https://localhost:9443/accountrecoveryendpoint</param-value>
</context-param>
<context-param>
<param-name>AccountRecoveryRESTEndpointURL</param-name>
<param-value>/t/tenant-domain/api/identity/user/v1.0/</param-value>
</context-param>
<context-param>
    <param-name>EnableRecoveryEndpoint</param-name>
    <param-value>true</param-value>
</context-param>
<context-param>
    <param-name>EnableSelfSignUpEndpoint</param-name>
    <param-value>true</param-value>
</context-param>
<!-- *************** End of Account Recovery Endpoint Context URL Configuration ********************** -->
<!-- *************** Identity Server Endpoint URL Configuration ********************** -->
<context-param>
    <param-name>IdentityServerEndpointContextURL</param-name>
    <param-value>https://localhost:9443</param-value>
</context-param>
<context-param>
    <param-name>AuthenticationRESTEndpointURL</param-name>
    <param-value>https://localhost:9443/api/identity/auth/v1.1/</param-value>
</context-param>

Open the <TOMCAT_HOME>/webapps/authenticationendpoint/WEB-INF/classes/EndpointConfig.properties file and configure the identity server origin URL as follows:
```
identity.server.origin=https://localhost:9443
```
Open the <TOMCAT_HOME>/webapps/authenticationendpoint/WEB-INF/classes/RecoveryEndpointConfig.properties file and uncomment the following line:
```
identity.server.service.contextURL=https://localhost:9443
```
Configure the keystores.

Info

The relevant certificates should be added to the corresponding keystores to properly run the authentication portal. In this tutorial, we are hosting the portal on a local server. Therefore, let's use the same keystore and truststore that is in the MWARE IAM instance for this portal.
1. Import the public certificate of MWARE IAM to the javaca certs (or web-server's truststore) of the JVM where the authentication endpoint is running.
  Info
  
  Be sure to replace the following placeholders:
  - $IS_HOME: The path to your MWARE IAM distribution.
  - $WEB_APP_TRUSTSTORE: Go to the authenticationendpoint web app deployed in the Tomcat server and get the path to its truststore.
```
keytool -export -keystore $IS_HOME/repository/resources/security/wso2carbon.jks -alias wso2carbon -file wso2carbon.cer
keytool -import -alias wso2carbon -keystore  $WEB_APP_TRUSTSTORE -file wso2carbon.cer
```
2. Import the public certificate of the web server’s keystore to the MWARE IAM truststore.
  Info
  
  Be sure to replace the following placeholders:
  - $IS_HOME: The path to your MWARE IAM distribution.
  - $WEB_APP_KEYSTORE: Go to the authenticationendpoint web app deployed in the Tomcat server and get the path to its keystore.
```
keytool -export -keystore $WEB_APP_KEYSTORE -alias wso2carbon -file webserver.cer
keytool -import -alias <alias> -keystore  $IS_HOME/repository/resources/security/client-truststore.jks -file webserver.cer
```

Open the <TOMCAT_HOME>/conf/server.xml file and enable the HTTPS connector on the 8443 port.

<Connector 
    port="8443"
    protocol="org.apache.coyote.http11.Http11NioProtocol"
    maxThreads="150"
    SSLEnabled="true"
    scheme="https"
    secure="true"
    clientAuth="want"
    sslProtocol="TLS"
    sslEnabledProtocols="TLSv1,TLSv1.1,TLSv1.2"
    keystoreFile=$WEB_APP_KEYSTORE
    keystorePass="wso2carbon"
    truststoreFile=$WEB_APP_TRUSTSTORE 
    truststorePass="wso2carbon"
/>

To obtain values for the parameter: - $WEB_APP_KEYSTORE: Go to the authenticationendpoint web app deployed in the Tomcat server and get the path to its keystore. - $WEB_APP_TRUSTSTORE: Go to the authenticationendpoint web app deployed in the Tomcat server and get the path to its truststore.

Open the <TOMCAT_HOME>/bin/catalina.sh file and add the following JAVA_OPTS:

Info

Be sure to replace $IS_HOME with the path to your MWARE IAM distribution.

JAVA_OPTS="$JAVA_OPTS -Djavax.net.ssl.keyStore=$IS_HOME/repository/resources/security/wso2carbon.jks -Djavax.net.ssl.keyStorePassword=wso2carbon"
JAVA_OPTS="$JAVA_OPTS -Djavax.net.ssl.trustStore=$IS_HOME/repository/resources/security/client-truststore.jks -Djavax.net.ssl.trustStorePassword=wso2carbon"

Go to the <TOMCAT_HOME>/webapps/authenticationendpoint/WEB-INF/classes/EndpointConfig.properties file and change the configurations pointing to the correct location inside the <TOMCAT_HOME> folder.
```
client.keyStore=$WEB_APP_KEYSTORE
client.trustStore=$WEB_APP_TRUSTSTORE
```

Integrate the portal with MWARE IAM¶

To integrate the portal to the MWARE IAM, add the following configs to the IS_HOME/repository/conf/deployment.toml file.

Add authentication endpoint configurations

[authentication.endpoints]
login_url="https://localhost:8443/authenticationendpoint/login.do"
retry_url="https://localhost:8443/authenticationendpoint/retry.do"
request_missing_claims_url="https://localhost:8443/authenticationendpoint/claims.do"

Add application protocol endpoint configurations

[oauth.endpoints]
oauth2_consent_page= "https://localhost:8443/authenticationendpoint/oauth2_authz.do"
oauth2_error_page= "https://localhost:8443/authenticationendpoint/oauth2_error.do"
oidc_consent_page= "https://localhost:8443/authenticationendpoint/oauth2_consent.do"
oidc_logout_consent_page= "https://localhost:8443/authenticationendpoint/oauth2_logout_consent.do"
oidc_logout_page= "https://localhost:8443/authenticationendpoint/oauth2_logout.do"

[saml.endpoints]
logout= "https://localhost:8443/authenticationendpoint/samlsso_logout.do"
notification= "https://localhost:8443/authenticationendpoint/samlsso_notification.do"
[passive_sts.endpoints]
retry= "https://localhost:8443/authenticationendpoint/retry.do"

Add CORS configurations

[cors]
allow_generic_http_requests = true
allow_any_origin = false
allowed_origins = [
    "https://localhost:8443"
]
allow_subdomains = true
supported_methods = [
    "GET",
    "POST",
    "HEAD",
    "OPTIONS"
]
support_any_header = true
supported_headers = []
exposed_headers = []
supports_credentials = true
max_age = 3600
tag_requests = false

Restart the MWARE IAM to apply the changes added to the deployment.toml file.

Start the servers¶

Start both MWARE IAM and Tomcat servers and access https://<IS_HOST>:<IS_PORT>/myaccount. You will now see that the authentication is redirected to the external URL.

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