(C#) Azure Key Vault - Get a Binary Secret

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Demonstrates how to fetch the content of a binary secret from the Azure Key Vault.

Note: This example requires Chilkat v10.1.0 or later.

For more information, see https://cknotes.com/chilkat-secrets-class-added-in-version-10-1-0/

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// The bootstrap secret will contain the following information:

// Azure Tenant ID
// Azure Client ID
// Azure Client Secret

// See following examples for setting up a bootstrap secret in memory, 
// or in the local manager (Windows Credentials Manager or Apple Keychain)
// Setup Bootstrap Secret in Local Manager
// Setup Bootstrap Secret in Memory
Chilkat.Secrets bootstrap = new Chilkat.Secrets();

// Set the location of the bootstrap secret.
// Can be "local_manager" or "memory", depending on how you setup the bootstrap secret.
// ---------------------------------------------------------------------------------------------
// If your operating system is NOT Windows or MacOS/iOS, then change "local_manager" to "memory"
// You can also, if desired, use "memory" on Windows and MacOS/iOS if your bootstrap secret was previously setup in memory.
// ---------------------------------------------------------------------------------------------
bootstrap.Location = "local_manager";

// Specify the bootstrap secret to be used.
Chilkat.JsonObject bsId = new Chilkat.JsonObject();
bsId.UpdateString("appName","azure_bs");
bsId.UpdateString("service","Example");
bsId.UpdateString("username","Joe");

// ----------------------------------------------------
Chilkat.Secrets secrets = new Chilkat.Secrets();

secrets.Location = "azure_key_vault";
bool success = secrets.SetBootstrapSecret(bsId,bootstrap);
if (success == false) {
    Debug.WriteLine(secrets.LastErrorText);
    return;
}

// Specify the secret to be fetched.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("appName","Test2");
json.UpdateString("service","Custom");
json.UpdateString("domain","Ocean");
json.UpdateString("username","Starfish");

// For Azure Key Vault, we also need to specify the name of the vault where the secret is located.
// Replace "kvChilkat" with the name of your key vault.
json.UpdateString("vaultName","kvChilkat");

// Get the binary secret data.
Chilkat.BinData bd = new Chilkat.BinData();
success = secrets.GetSecretBd(json,bd);
if (success == false) {
    Debug.WriteLine(secrets.LastErrorText);
    return;
}

// For our testing, the binary secret was a JPG image..
bd.WriteFile("c:/temp/qa_output/starfish.jpg");

Debug.WriteLine("Success.");