(Swift 3,4,5...) HTTP Digest-MD5 Authentication Testing with httpbin.org

The URL https://httpbin.org/digest-auth/auth/user/passwd is password protected with user="user" and password="passwd". It requires Digest-MD5 authentication. Chilkat will automatically handle Digest-MD5 authentication as required by the server response. In this case, however, the server will fail the authentication unless a Cookie is included in the request. The cookie can have any name and any value. (Yes, this is ridiculous, and many developers have probably spent countless hours assuming their Digest-MD5 implementations were incorrect.)

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func chilkatTest() {
    // This example assumes the Chilkat HTTP API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let http = CkoHttp()!

    http.login = "user"
    http.password = "passwd"

    // Add a cookie to satisfy httpbin.org's desire for cookies..
    // Otherwise, it will fail the perfectly valid Digest-MD5 authentication.
    http.setRequestHeader("Cookie", value: "something=\"something\"")

    var strResponse: String? = http.quickGetStr("https://httpbin.org/digest-auth/auth/user/passwd")
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        return
    }

    print("\(strResponse!)")

    var status: Int = http.lastStatus.intValue
    print("response status code = \(status)")

    // The output of this program is:
    // 
    // 	{ 
    // 	  "authenticated": true, 
    // 	  "user": "user"
    // 	} 
    // 
    // 	response status code = 200

}