(Swift 3,4,5...) 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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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let rest = CkoRest()!

    // Connect to the Amazon AWS REST server.
    // such as https://sts.us-west-2.amazonaws.com/
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    var success: Bool = rest.connect("sts.us-west-2.amazonaws.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)

    // Provide AWS credentials for the REST call.
    let authAws = CkoAuthAws()!
    authAws.accessKey = "AWS_ACCESS_KEY"
    authAws.secretKey = "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
    authAws.region = "us-west-2"
    authAws.serviceName = "sts"

    rest.setAuthAws(authAws)

    rest.addQueryParam("Version", value: "2011-06-15")
    rest.addQueryParam("Action", value: "GetSessionToken")
    rest.addQueryParam("DurationSeconds", value: "3600")

    var responseXml: String? = rest.fullRequestNoBody("GET", uriPath: "/")
    if rest.lastMethodSuccess != true {
        print("\(rest.lastErrorText!)")
        return
    }

    // A successful response will have a status code equal to 200.
    if rest.responseStatusCode.intValue != 200 {
        print("response status code = \(rest.responseStatusCode.intValue)")
        print("response status text = \(rest.responseStatusText!)")
        print("response header: \(rest.responseHeader!)")
        print("response body: \(responseXml!)")
        return
    }

    // Examine the successful XML response (shown below)
    let xml = CkoXml()!
    xml.load(responseXml)
    print("\(xml.getXml()!)")

    // 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:
    var GetSessionTokenResponse_xmlns: String? = xml.getAttrValue("xmlns")
    var AccessKeyId: String? = xml.getChildContent("GetSessionTokenResult|Credentials|AccessKeyId")
    var SecretAccessKey: String? = xml.getChildContent("GetSessionTokenResult|Credentials|SecretAccessKey")
    var SessionToken: String? = xml.getChildContent("GetSessionTokenResult|Credentials|SessionToken")
    var Expiration: String? = xml.getChildContent("GetSessionTokenResult|Credentials|Expiration")
    var RequestId: String? = xml.getChildContent("ResponseMetadata|RequestId")

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

}