What's the reason you want to remove the dot in the beginning? It's optional and it should match the entire domain with/without the dot.
How do browser cookie domains work?
Also, I think the domain
attribute would be for the Set-Cookie
header returned from HTTP server rather than requesting from the client. The httpbin (https://httpbin.org/cookies/set) returns the Set-Cookie
header, but it doesn't specify domain attribute (just Path=/). It would be taken as .httpbin.org
by clients like browsers.
iex(25)> response = HTTPoison.get!("https://httpbin.org/cookies/set?k2=v2&k1=v1")
%HTTPoison.Response{body: "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n<title>Redirecting...</title>\n<h1>Redirecting...</h1>\n<p>You should be redirected automatically to target URL: <a href=\"/cookies\">/cookies</a>. If not click the link.",
headers: [{"Server", "nginx"}, {"Date", "Fri, 18 Dec 2015 23:49:46 GMT"},
{"Content-Type", "text/html; charset=utf-8"}, {"Content-Length", "223"},
{"Connection", "keep-alive"}, {"Location", "/cookies"},
{"Set-Cookie", "k2=v2; Path=/"}, {"Set-Cookie", "k1=v1; Path=/"},
{"Access-Control-Allow-Origin", "*"},
{"Access-Control-Allow-Credentials", "true"}], status_code: 302}
iex(26)> :hackney.cookies(response.headers)
[{"k1", [{"k1", "v1"}, {"Path", "/"}]}, {"k2", [{"k2", "v2"}, {"Path", "/"}]}]
Sorry if I'm missing the point.