(Unicode C) AWS Security Token Service (STS) GetSessionToken

See more AWS Security Token Service Examples

Returns a set of temporary credentials for an AWS account or IAM user.

For more information, see https://docs.aws.amazon.com/STS/latest/APIReference/API_GetSessionToken.html

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#include <C_CkRestW.h>
#include <C_CkAuthAwsW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    BOOL success;
    HCkAuthAwsW authAws;
    const wchar_t *responseXml;
    HCkXmlW xml;
    const wchar_t *GetSessionTokenResponse_xmlns;
    const wchar_t *AccessKeyId;
    const wchar_t *SecretAccessKey;
    const wchar_t *SessionToken;
    const wchar_t *Expiration;
    const wchar_t *RequestId;

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

    rest = CkRestW_Create();

    // Connect to the Amazon AWS REST server.
    // such as https://sts.us-west-2.amazonaws.com/
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"sts.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    authAws = CkAuthAwsW_Create();
    CkAuthAwsW_putAccessKey(authAws,L"AWS_ACCESS_KEY");
    CkAuthAwsW_putSecretKey(authAws,L"AWS_SECRET_KEY");
    // the region should match our URL above..
    // See https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html
    CkAuthAwsW_putRegion(authAws,L"us-west-2");
    CkAuthAwsW_putServiceName(authAws,L"sts");

    CkRestW_SetAuthAws(rest,authAws);

    CkRestW_AddQueryParam(rest,L"Version",L"2011-06-15");
    CkRestW_AddQueryParam(rest,L"Action",L"GetSessionToken");
    CkRestW_AddQueryParam(rest,L"DurationSeconds",L"3600");

    responseXml = CkRestW_fullRequestNoBody(rest,L"GET",L"/");
    if (CkRestW_getLastMethodSuccess(rest) != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        return;
    }

    // A successful response will have a status code equal to 200.
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest));
        wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"response header: %s\n",CkRestW_responseHeader(rest));
        wprintf(L"response body: %s\n",responseXml);
        CkRestW_Dispose(rest);
        CkAuthAwsW_Dispose(authAws);
        return;
    }

    // Examine the successful XML response (shown below)
    xml = CkXmlW_Create();
    CkXmlW_LoadXml(xml,responseXml);
    wprintf(L"%s\n",CkXmlW_getXml(xml));

    // Sample response:

    // <?xml version="1.0" encoding="utf-8"?>
    // <GetSessionTokenResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
    //     <GetSessionTokenResult>
    //         <Credentials>
    //             <AccessKeyId>AS........T4N</AccessKeyId>
    //             <SecretAccessKey>05W........ARPMr</SecretAccessKey>
    //             <SessionToken>IQoJb3J........llpIMI=</SessionToken>
    //             <Expiration>2022-09-07T00:22:51Z</Expiration>
    //         </Credentials>
    //     </GetSessionTokenResult>
    //     <ResponseMetadata>
    //         <RequestId>8bad22cc-1c55-4265-a010-45d139359404</RequestId>
    //     </ResponseMetadata>
    // </GetSessionTokenResponse>

    // Sample parse code:
    GetSessionTokenResponse_xmlns = CkXmlW_getAttrValue(xml,L"xmlns");
    AccessKeyId = CkXmlW_getChildContent(xml,L"GetSessionTokenResult|Credentials|AccessKeyId");
    SecretAccessKey = CkXmlW_getChildContent(xml,L"GetSessionTokenResult|Credentials|SecretAccessKey");
    SessionToken = CkXmlW_getChildContent(xml,L"GetSessionTokenResult|Credentials|SessionToken");
    Expiration = CkXmlW_getChildContent(xml,L"GetSessionTokenResult|Credentials|Expiration");
    RequestId = CkXmlW_getChildContent(xml,L"ResponseMetadata|RequestId");

    // Save the session token XML to a file for use by another Chilkat example..
    success = CkXmlW_SaveXml(xml,L"qa_data/tokens/aws_session_token.xml");


    CkRestW_Dispose(rest);
    CkAuthAwsW_Dispose(authAws);
    CkXmlW_Dispose(xml);

    }