auth/internal/domain/client.go

84 lines
2.0 KiB
Go

package domain
import (
"net"
"net/url"
"strings"
"testing"
)
// Client describes the client requesting data about the user.
type Client struct {
Logo *url.URL
URL *url.URL
ID ClientID
Name string
RedirectURI []*url.URL
}
// NewClient creates a new empty Client with provided ClientID, if any.
func NewClient(cid ClientID) *Client {
return &Client{
ID: cid,
Logo: nil,
RedirectURI: make([]*url.URL, 0),
URL: nil,
Name: "",
}
}
// TestClient returns valid random generated client for tests.
func TestClient(tb testing.TB) *Client {
tb.Helper()
return &Client{
ID: *TestClientID(tb),
Name: "Example App",
URL: &url.URL{Scheme: "https", Host: "app.example.com", Path: "/"},
Logo: &url.URL{Scheme: "https", Host: "app.example.com", Path: "/logo.png"},
RedirectURI: []*url.URL{
{Scheme: "https", Host: "app.example.com", Path: "/redirect"},
{Scheme: "https", Host: "app.example.net", Path: "/redirect"},
},
}
}
// ValidateRedirectURI validates RedirectURI from request to ClientID or
// registered set of client RedirectURI.
//
// If the URL scheme, host or port of the redirect_uri in the request do not
// match that of the client_id, then the authorization endpoint SHOULD verify
// that the requested redirect_uri matches one of the redirect URLs published by
// the client, and SHOULD block the request from proceeding if not.
func (c *Client) ValidateRedirectURI(redirectURI *url.URL) bool {
if redirectURI == nil {
return false
}
rHost, rPort, err := net.SplitHostPort(redirectURI.Host)
if err != nil {
rHost = redirectURI.Hostname()
}
cHost, cPort, err := net.SplitHostPort(c.ID.clientID.Host)
if err != nil {
cHost = c.ID.clientID.Hostname()
}
if strings.EqualFold(redirectURI.Scheme, c.ID.clientID.Scheme) &&
strings.EqualFold(rHost, cHost) &&
strings.EqualFold(rPort, cPort) {
return true
}
for i := range c.RedirectURI {
if redirectURI.String() != c.RedirectURI[i].String() {
continue
}
return true
}
return false
}