func testClientCRUD(t *testing.T, s storage.Storage) {
id := storage.NewID()
c := storage.Client{
ID: id,
Secret: "foobar",
RedirectURIs: []string{"foo://bar.com/", "https://auth.example.com"},
Name: "dex client",
LogoURL: "https://goo.gl/JIyzIC",
}
err := s.DeleteClient(id)
mustBeErrNotFound(t, "client", err)
if err := s.CreateClient(c); err != nil {
t.Fatalf("create client: %v", err)
}
getAndCompare := func(id string, want storage.Client) {
gc, err := s.GetClient(id)
if err != nil {
t.Errorf("get client: %v", err)
return
}
if diff := pretty.Compare(want, gc); diff != "" {
t.Errorf("client retrieved from storage did not match: %s", diff)
}
}
getAndCompare(id, c)
newSecret := "barfoo"
err = s.UpdateClient(id, func(old storage.Client) (storage.Client, error) {
old.Secret = newSecret
return old, nil
})
if err != nil {
t.Errorf("update client: %v", err)
}
c.Secret = newSecret
getAndCompare(id, c)
if err := s.DeleteClient(id); err != nil {
t.Fatalf("delete client: %v", err)
}
_, err = s.GetClient(id)
mustBeErrNotFound(t, "client", err)
}
func validateCrossClientTrust(s storage.Storage, clientID, peerID string) (trusted bool, err error) {
if peerID == clientID {
return true, nil
}
peer, err := s.GetClient(peerID)
if err != nil {
if err != storage.ErrNotFound {
log.Printf("Failed to get client: %v", err)
return false, err
}
return false, nil
}
for _, id := range peer.TrustedPeers {
if id == clientID {
return true, nil
}
}
return false, nil
}
// parse the initial request from the OAuth2 client.
//
// For correctness the logic is largely copied from https://github.com/RangelReale/osin.
func parseAuthorizationRequest(s storage.Storage, supportedResponseTypes map[string]bool, r *http.Request) (req storage.AuthRequest, oauth2Err *authErr) {
if err := r.ParseForm(); err != nil {
return req, &authErr{"", "", errInvalidRequest, "Failed to parse request."}
}
redirectURI, err := url.QueryUnescape(r.Form.Get("redirect_uri"))
if err != nil {
return req, &authErr{"", "", errInvalidRequest, "No redirect_uri provided."}
}
state := r.FormValue("state")
clientID := r.Form.Get("client_id")
client, err := s.GetClient(clientID)
if err != nil {
if err == storage.ErrNotFound {
description := fmt.Sprintf("Invalid client_id (%q).", clientID)
return req, &authErr{"", "", errUnauthorizedClient, description}
}
log.Printf("Failed to get client: %v", err)
return req, &authErr{"", "", errServerError, ""}
}
if !validateRedirectURI(client, redirectURI) {
description := fmt.Sprintf("Unregistered redirect_uri (%q).", redirectURI)
return req, &authErr{"", "", errInvalidRequest, description}
}
newErr := func(typ, format string, a ...interface{}) *authErr {
return &authErr{state, redirectURI, typ, fmt.Sprintf(format, a...)}
}
scopes := strings.Fields(r.Form.Get("scope"))
var (
unrecognized []string
invalidScopes []string
)
hasOpenIDScope := false
for _, scope := range scopes {
switch scope {
case scopeOpenID:
hasOpenIDScope = true
case scopeOfflineAccess, scopeEmail, scopeProfile, scopeGroups:
default:
peerID, ok := parseCrossClientScope(scope)
if !ok {
unrecognized = append(unrecognized, scope)
continue
}
isTrusted, err := validateCrossClientTrust(s, clientID, peerID)
if err != nil {
return req, newErr(errServerError, "")
}
if !isTrusted {
invalidScopes = append(invalidScopes, scope)
}
}
}
if !hasOpenIDScope {
return req, newErr("invalid_scope", `Missing required scope(s) ["openid"].`)
}
if len(unrecognized) > 0 {
return req, newErr("invalid_scope", "Unrecognized scope(s) %q", unrecognized)
}
if len(invalidScopes) > 0 {
return req, newErr("invalid_scope", "Client can't request scope(s) %q", invalidScopes)
}
nonce := r.Form.Get("nonce")
responseTypes := strings.Split(r.Form.Get("response_type"), " ")
for _, responseType := range responseTypes {
if !supportedResponseTypes[responseType] {
return req, newErr("invalid_request", "Invalid response type %q", responseType)
}
switch responseType {
case responseTypeCode:
case responseTypeToken:
// Implicit flow requires a nonce value.
// https://openid.net/specs/openid-connect-core-1_0.html#ImplicitAuthRequest
if nonce == "" {
return req, newErr("invalid_request", "Response type 'token' requires a 'nonce' value.")
}
if redirectURI == redirectURIOOB {
err := fmt.Sprintf("Cannot use response type 'token' with redirect_uri '%s'.", redirectURIOOB)
return req, newErr("invalid_request", err)
}
default:
return req, newErr("invalid_request", "Invalid response type %q", responseType)
}
}
return storage.AuthRequest{
ID: storage.NewID(),
ClientID: client.ID,
State: r.Form.Get("state"),
Nonce: nonce,
ForceApprovalPrompt: r.Form.Get("approval_prompt") == "force",
Scopes: scopes,
RedirectURI: redirectURI,
ResponseTypes: responseTypes,
}, nil
}