Just the same way you placed the keystore in resources folder for the application you wanted to secure, place the same keystore in the application from which you want to consume the protected application. Now let’s move to the next step to understand how to consume the above API from another spring boot application using REST Template STEP3: Place the keystore in resources folder: It will then add it to the list of trusted certificates: You need to click on Advanced button and ask the browser to trust this certificate. This is because the browser doesn’t know the certificate you created. Now when you try to access this API in the browser you get this: The API is now protected with SSL and runs on port 8443 as most https applications run so. Key-store: classpath:mydemocertificate.p12 This is a sample spring boot application created with a simple REST API: To do this, just place the keystore you created using the above steps in the resources folder of the application you want to protect: The keystore is now ready with the certificate I created!Īs already mentioned you can import any certificate directly into the keystore instead of creating a new key pair.īefore consuming a secured REST API, let’s see how to create a secured REST API first using the above keystore. p12 extension after giving a password for the keystore just like you gave for keypair: You need to do this to add your domain and ip address in case if you are testing from your local machineĬhoose extension type as Subject Alternative Name: You can import the certificates you downloaded directly into a new keystore instead ,as well.Ĭlick on Add Extensions. Here I am creating my own certificate and then adding it to a new keystore. ![]() Just create a keystore with the certificates you downloaded. You can do this using a tool like KeyStoreExplorer : ![]() ![]() You can download the certificates from any popular browser. To make changes to it, you will need to remove the certificate and create a new one.How to call REST API protected with SSL (https) from Spring Boot ? You cannot edit a certificate after it has been created. To remove a certificate, use the Remove link next to the certificate under the Certificates tab in the Settings. If you expand your request, you will be able to see which certificate was sent along with the request. Once the response arrives, switch over to the Postman console to see your request. Notice we’re using https to make sure the certificate is sent. Now, send a request to, keeping the Postman Console open. You can read more about the Postman Console. To do so, open up your Postman console ( CMD/CTRL + ALT + C). If you make a request to a configured domain, the certificate will automatically be sent with the request, provided you make the request over HTTPS. You do not have to perform any extra steps to use a client certificate if it has been added. If you have multiple ones set, only the last one added will be used. ![]() NOTE: You should not have multiple certificates set for the same domain. Once your certificate is added, it should appear in the client certificates list. If you used a passphrase while generating the client certificate, you’ll need to supply the passphrase in the Passphrase field. Otherwise, leave it blank. Support for other formats (like PFX) will come soon.Ĭhoose your client certificate key file in the KEY file field. Currently, we only support the CRT format. If left empty, the default HTTPS port (443) will be used.Ĭhoose your client certificate file in the CRT file field. You can also specify a custom port to associate with this domain in the Port field. In the Host field, enter the domain (without protocol) of the request URL for which you want to use the certificate, for example,. To add a new client certificate, click the Add Certificate link. To manage your client certificates, click the wrench icon on the right side of the header toolbar, choose “Settings”, and select the Certificates tab. Postman’s native apps provide a way to view and set SSL certificates on a per domain basis.
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