(C++) Windows Credentials Manager / Apple Keychain - Get a String Secret to a StringBuilder

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On Windows, fetches the content of a text secret from the Windows Credentials Manager.

On MacOS or iOS, fetches from the Apple Keychain.

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

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

    CkSecrets secrets;

    // On Windows, this is the Windows Credentials Manager
    // On MacOS/iOS, it is the Apple Keychain
    secrets.put_Location("local_manager");

    // Specify the secret to be fetched.
    CkJsonObject json;
    json.UpdateString("appName","MyApp");
    json.UpdateString("service","OAuth2");
    json.UpdateString("domain","onedrive");
    json.UpdateString("username","matt");

    // Append the content of the secret to a Chilkat StringBuilder object.
    CkStringBuilder sb;
    bool success = secrets.GetSecretSb(json,sb);
    if (success == false) {
        std::cout << secrets.lastErrorText() << "\r\n";
        return;
    }

    std::cout << sb.getAsString() << "\r\n";
    std::cout << "Success." << "\r\n";
    }