(Swift 2) UPS OAuth2 Client Credentials

See more UPS Examples

Get an OAuth2 access token for the UPS REST API using the client credentials flow (no interactivity with a web browser required).

For more information, see https://developer.ups.com/api/reference?loc=en_US#tag/OAuthClientCredentials_other

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let http = CkoHttp()
    var success: Bool

    // Implements the following CURL command:

    // curl -i -X POST \
    //   -u 2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt:nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4 \
    //   https://wwwcie.ups.com/security/v1/oauth/token \
    //   -H 'Content-Type: application/x-www-form-urlencoded' \
    //   -H 'x-merchant-id: 7B3027' \
    //   -d grant_type=client_credentials

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    http.BasicAuth = true
    http.Login = "2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt"
    http.Password = "nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4"

    let req = CkoHttpRequest()
    req.AddParam("grant_type", value: "client_credentials")

    req.AddHeader("x-merchant-id", value: "7B3027")

    var resp: CkoHttpResponse? = http.PostUrlEncoded("https://wwwcie.ups.com/security/v1/oauth/token", req: req)
    if http.LastMethodSuccess == false {
        print("\(http.LastErrorText)")
        return
    }

    let sbResponseBody = CkoStringBuilder()
    resp!.GetBodySb(sbResponseBody)

    let jResp = CkoJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.EmitCompact = false

    print("Response Body:")
    print("\(jResp.Emit())")

    var respStatusCode: Int = resp!.StatusCode.intValue
    print("Response Status Code = \(respStatusCode)")
    if respStatusCode >= 400 {
        print("Response Header:")
        print("\(resp!.Header)")
        print("Failed.")
        resp = nil
        return
    }

    resp = nil

    // Save the OAuth2 access token for other examples to use.
    jResp.WriteFile("qa_data/tokens/ups_oauth2_token.json")

    // If successful, the OAuth2 access token JSON looks like this:

    // {
    //   "token_type": "Bearer",
    //   "issued_at": "1686911985606",
    //   "client_id": "2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt",
    //   "access_token": "eyJraW......R2sbqrY",
    //   "expires_in": "14399",
    //   "status": "approved"
    // }

    var token_type: String? = jResp.StringOf("token_type")
    var issued_at: String? = jResp.StringOf("issued_at")
    var client_id: String? = jResp.StringOf("client_id")
    var access_token: String? = jResp.StringOf("access_token")
    var expires_in: String? = jResp.StringOf("expires_in")
    var status: String? = jResp.StringOf("status")

}