auth/internal/domain/client.go

116 lines
2.6 KiB
Go

package domain
import (
"bytes"
"net"
"strings"
"testing"
)
// Client describes the client requesting data about the user.
type Client struct {
ID *ClientID
Logo []*URL
RedirectURI []*URL
URL []*URL
Name []string
}
// NewClient creates a new empty Client with provided ClientID, if any.
func NewClient(cid *ClientID) *Client {
return &Client{
ID: cid,
Logo: make([]*URL, 0),
RedirectURI: make([]*URL, 0),
URL: make([]*URL, 0),
Name: make([]string, 0),
}
}
// TestClient returns valid random generated client for tests.
func TestClient(tb testing.TB) *Client {
tb.Helper()
redirects := make([]*URL, 0)
for _, redirect := range []string{
"https://app.example.com/redirect",
"https://app.example.net/redirect",
} {
redirects = append(redirects, TestURL(tb, redirect))
}
return &Client{
ID: TestClientID(tb),
Name: []string{"Example App"},
URL: []*URL{TestURL(tb, "https://app.example.com/")},
Logo: []*URL{TestURL(tb, "https://app.example.com/logo.png")},
RedirectURI: redirects,
}
}
// 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) bool {
if redirectURI == nil {
return false
}
rHost, rPort, err := net.SplitHostPort(string(redirectURI.Host()))
if err != nil {
rHost = string(redirectURI.Host())
}
cHost, cPort, err := net.SplitHostPort(string(c.ID.clientID.Host()))
if err != nil {
cHost = string(c.ID.clientID.Host())
}
if bytes.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
}
// GetName safe returns first name, if any.
func (c Client) GetName() string {
if len(c.Name) == 0 {
return ""
}
return c.Name[0]
}
// GetURL safe returns first URL, if any.
func (c Client) GetURL() *URL {
if len(c.URL) == 0 {
return nil
}
return c.URL[0]
}
// GetLogo safe returns first logo, if any.
func (c Client) GetLogo() *URL {
if len(c.Logo) == 0 {
return nil
}
return c.Logo[0]
}