Java

Azure Key Vault Get Certificates

See more Azure Key Vault Examples

Demonstrates how to list the certificates in an Azure Key Vault.

Note: This example requires Chilkat v9.5.0.96 or later.

Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // This requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // We demonstrated how to get an access token for your Azure Key Vault
        // in this example: Azure Key Vault Get OAuth2 Access Token using Client Credentials

        // However.. starting in Chilkat v9.5.0.96, instead of directly providing Chilkat with the OAuth2 access token,
        // you can instead provide the means for Chilkat to automatically get the OAuth2 access token,
        // and in addition, Chilkat will automatically re-fetch a new OAuth2 access token as needed, such as shortly
        // prior to or after expiration.

        // You do this by setting the AuthToken property to a JSON string that contains the required information.

        JsonObject json = new JsonObject();
        json.updateString("client_id", "APP_ID");

        // The APP_PASSWORD is the "password" returned by the Azure CLI command: az ad sp create-for-rbac --name http://example.com --role Contributor
        // See Azure Key Vault Get OAuth2 Access Token using Client Credentials
        json.updateString("client_secret", "APP_PASSWORD");

        // The access token will be for Azure Key Vault operations.
        json.updateString("resource", "https://vault.azure.net");

        // Specify the token endpoint which includes your tenant ID.
        json.updateString("token_endpoint", "https://login.microsoftonline.com/TENANT_ID/oauth2/token");

        Http http = new Http();

        // Instead of providing an actual access token, we give Chilkat the information that allows it to
        // automatically fetch the access token using the OAuth2 client credentials flow.
        http.setAuthToken(json.emit());

        // Replace key_vault_name with the name of your Azure Key Vault.
        StringBuilder sbResponse = new StringBuilder();
        try {
            http.quickGetSb("https://key_vault_name.vault.azure.net/certificates?api-version=7.4", sbResponse);
        } catch (ChilkatException e) {
            int statusCode = http.getLastStatus();
            if (statusCode == 0) {
                // We did not get a response from the server..
                System.out.println(e.getLastErrorText());
            } else {
                // We received a response, but it was an error.
                System.out.println("Error response status code: " + statusCode);
                System.out.println("Error response:");
                System.out.println(sbResponse.getAsString());
            }

            return;
        }

        JsonObject jsonResp = new JsonObject();
        jsonResp.loadSb(sbResponse);
        jsonResp.setEmitCompact(false);

        System.out.println(jsonResp.emit());

        // The output looks like this:

        // {
        //   "value": [
        //     {
        //       "id": "https://kvchilkat.vault.azure.net/certificates/BadSSL",
        //       "x5t": "U04xLnb8Ww7BKkW9dD7P1cCHNDY",
        //       "attributes": {
        //         "enabled": true,
        //         "nbf": 1674409014,
        //         "exp": 1737481014,
        //         "created": 1697294224,
        //         "updated": 1697294224
        //       },
        //       "subject": ""
        //     },
        //     {
        //       "id": "https://kvchilkat.vault.azure.net/certificates/Brasil",
        //       "x5t": "ayF5eBtlA35xPMivusE0wpmFjnA",
        //       "attributes": {
        //         "enabled": true,
        //         "nbf": 1667830002,
        //         "exp": 1699366002,
        //         "created": 1697294090,
        //         "updated": 1697294090
        //       },
        //       "subject": ""
        //     }
        //   ],
        //   "nextLink": null
        // }

        // Use this online tool to generate parsing code from sample JSON:
        // Generate Parsing Code from JSON

        String id = "";
        String x5t = "";
        boolean Enabled = false;
        int Nbf = 0;
        int Exp = 0;
        int Created = 0;
        int Updated = 0;
        String subject = "";

        int i = 0;
        int count_i = jsonResp.sizeOfArray("value");
        while (i < count_i) {
            jsonResp.setI(i);
            id = jsonResp.stringOf("value[i].id");
            x5t = jsonResp.stringOf("value[i].x5t");
            Enabled = jsonResp.boolOf("value[i].attributes.enabled");
            Nbf = jsonResp.intOf("value[i].attributes.nbf");
            Exp = jsonResp.intOf("value[i].attributes.exp");
            Created = jsonResp.intOf("value[i].attributes.created");
            Updated = jsonResp.intOf("value[i].attributes.updated");
            subject = jsonResp.stringOf("value[i].subject");
            i = i + 1;
        }
    }
}