Swift URLSession doesn't behave like Curl or HTTParty - swift

Question

Background
I am working on a swift project with particle.io setup two legged auth part. Basically it's a POST request.
My issue is I can get the correct response by CURL and HTTParty. (Like below) but withURLSession` the response is 404.
By CURL
curl -X POST -u "abcd:secret" -d password=true -d email="wwsd#gmail.com" https://api.particle.io/v1/orgs/xxx/customers
By HTTParty
require 'HTTParty'
def register_spark_two_legged_user(query)
return HTTParty.post("https://api.particle.io/v1/orgs/xxx/customers", body: query, basic_auth:{"username":"abcd","password":"secret"})
end
query = {"email":"wwsd#gmail.com", "no_password":true}
json = register_spark_two_legged_user query
p json
I want to do it in Swift:
func twoLegged() {
let urlString = "https://api.particle.io/v1/orgs/xxx/customers"
let parameters = ["email":"wwsd#gmail.com","no_password":true] as [String : Any]
let userName = "abcd"
let password = "secret"
let loginString = userName+":"+password
let loginData = loginString.data(using: String.Encoding.utf8)!
let base64LoginString = loginData.base64EncodedString()
let url = URL(string: urlString)!
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Basic \(base64LoginString)", forHTTPHeaderField: "Authorization")
do {
request.httpBody = try JSONSerialization.data(withJSONObject: parameters, options: .prettyPrinted)
} catch let error {
print(error.localizedDescription)
}
URLSession.shared.dataTask(with: url) { (data: Data?, response: URLResponse?, error: Error?) in
if let e = error {
print(e.localizedDescription)
} else {
let json = try? JSONSerialization.jsonObject(with: data!, options: [])
debugPrint(response as Any)
print(json)
}
}.resume()
Did I miss something? Thanks for the help. Here's a link might useful: community.particle.io
EDIT I changed the httpBody still the same not work.
var comp = URLComponents()
comp.queryItems = [
URLQueryItem(name: "no_password", value: "true"),
URLQueryItem(name: "email", value: "wwsd#gmail.com"),
]
request.httpBody = comp.query?.data(using: String.Encoding.utf8)
request.setValue("application/x-www-form-urlencode", forHTTPHeaderField: "Content-Type")
The output is
Optional({
error = "Not Found";
ok = 0;
})

Answer 1

In curl you are sending the data out as application/x-www-form-urlencoded, i.e. in the form
no_password=true&email=wwsd#gmail.com
But in Swift you are sending off the data as JSON.
request.httpBody = try JSONSerialization.data(withJSONObject: parameters, options: .prettyPrinted)
# wrong: form data is expected, not JSON.
You could format to application/x-www-form-urlencoded using URLComponents and URLQueryItem:
var comp = URLComponents()
comp.queryItems = [
URLQueryItem(name: "no_password", value: "true"),
URLQueryItem(name: "email", value: "wwsd#gmail.com"),
]
request.httpBody = comp.query?.data(using: .utf8)
Also you did not pass the request into URLSession...
URLSession.shared.dataTask(with: request) { ... }
// ^~~~~~~ you were passing `url`.