(C++) 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.

For more information, see https://learn.microsoft.com/en-us/rest/api/keyvault/certificates/get-certificates/get-certificates?tabs=HTTP

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#include <CkJsonObject.h>
#include <CkHttp.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    // 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.

    CkJsonObject json;
    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");

    CkHttp 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.put_AuthToken(json.emit());

    // Replace key_vault_name with the name of your Azure Key Vault.
    CkStringBuilder sbResponse;
    bool success = http.QuickGetSb("https://key_vault_name.vault.azure.net/certificates?api-version=7.4",sbResponse);
    if (success == false) {

        int statusCode = http.get_LastStatus();
        if (statusCode == 0) {
            // We did not get a response from the server..
            std::cout << http.lastErrorText() << "\r\n";
        }
        else {
            // We received a response, but it was an error.
            std::cout << "Error response status code: " << statusCode << "\r\n";
            std::cout << "Error response:" << "\r\n";
            std::cout << sbResponse.getAsString() << "\r\n";
        }

        return;
    }

    CkJsonObject jsonResp;
    jsonResp.LoadSb(sbResponse);
    jsonResp.put_EmitCompact(false);

    std::cout << jsonResp.emit() << "\r\n";

    // 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

    const char *id = 0;
    const char *x5t = 0;
    bool Enabled;
    int Nbf;
    int Exp;
    int Created;
    int Updated;
    const char *subject = 0;

    int i = 0;
    int count_i = jsonResp.SizeOfArray("value");
    while (i < count_i) {
        jsonResp.put_I(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;
    }
    }