forked from mystiq/dex
Merge pull request #375 from Tecsisa/370-required-response-type-param
Fix response_type missing param
This commit is contained in:
Eric Chiang
commit
7c5e670631
2 changed files with 100 additions and 45 deletions
122
server/http.go
122
server/http.go
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@ -255,7 +255,7 @@ func renderLoginPage(w http.ResponseWriter, r *http.Request, srv OIDCServer, idp
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v := r.URL.Query()
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v.Set("connector_id", idpc.ID())
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v.Set("response_type", "code")
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v.Set("response_type", q.Get("response_type"))
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link.URL = httpPathAuth + "?" + v.Encode()
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td.Links = append(td.Links, link)
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}
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@ -273,77 +273,92 @@ func handleAuthFunc(srv OIDCServer, idpcs []connector.Connector, tpl *template.T
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}
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q := r.URL.Query()
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register := q.Get("register") == "1" && registrationEnabled
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e := q.Get("error")
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if e != "" {
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sessionKey := q.Get("state")
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if err := srv.KillSession(sessionKey); err != nil {
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log.Errorf("Failed killing sessionKey %q: %v", sessionKey, err)
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// Retrieve client id
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clientid := q.Get("client_id")
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// Retrieve state
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state := q.Get("state")
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// Retrieve response_type
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responseType := q.Get("response_type")
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// Retrieve scopes
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qscope := strings.Fields(q.Get("scope"))
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// Check client ID param
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if clientid == "" {
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log.Errorf("Invalid auth request: no client_id received")
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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}
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// Check redirect_uri param, but if it's empty we don't return any error here
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qru := q.Get("redirect_uri")
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var rURL *url.URL
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if qru != "" {
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ru, err := url.Parse(qru)
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if err != nil {
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log.Errorf("Invalid auth request: %v", err)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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}
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renderLoginPage(w, r, srv, idpcs, register, tpl)
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return
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rURL = ru
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}
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connectorID := q.Get("connector_id")
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idpc, ok := idx[connectorID]
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if !ok {
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renderLoginPage(w, r, srv, idpcs, register, tpl)
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return
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}
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acr, err := oauth2.ParseAuthCodeRequest(q)
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cm, err := srv.ClientMetadata(clientid)
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if err != nil {
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log.Errorf("Invalid auth request: %v", err)
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writeAuthError(w, err, acr.State)
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return
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}
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cm, err := srv.ClientMetadata(acr.ClientID)
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if err != nil {
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log.Errorf("Failed fetching client %q from repo: %v", acr.ClientID, err)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorServerError), acr.State)
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log.Errorf("Failed fetching client %q from repo: %v", clientid, err)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorServerError), state)
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return
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}
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if cm == nil {
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log.Errorf("Client %q not found", acr.ClientID)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), acr.State)
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log.Errorf("Client %q not found", clientid)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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}
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if len(cm.RedirectURIs) == 0 {
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log.Errorf("Client %q has no redirect URLs", acr.ClientID)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorServerError), acr.State)
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log.Errorf("Client %q has no redirect URLs", clientid)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorServerError), state)
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return
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}
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redirectURL, err := client.ValidRedirectURL(acr.RedirectURL, cm.RedirectURIs)
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redirectURL, err := client.ValidRedirectURL(rURL, cm.RedirectURIs)
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if err != nil {
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switch err {
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case (client.ErrorCantChooseRedirectURL):
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log.Errorf("Request must provide redirect URL as client %q has registered many", acr.ClientID)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), acr.State)
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log.Errorf("Request must provide redirect URL as client %q has registered many", clientid)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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case (client.ErrorInvalidRedirectURL):
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log.Errorf("Request provided unregistered redirect URL: %s", acr.RedirectURL)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), acr.State)
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log.Errorf("Request provided unregistered redirect URL: %s", rURL)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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case (client.ErrorNoValidRedirectURLs):
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log.Errorf("There are no registered URLs for the requested client: %s", acr.RedirectURL)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), acr.State)
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log.Errorf("There are no registered URLs for the requested client: %s", rURL)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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default:
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log.Errorf("Unexpected error checking redirect URL for client %q: %v", clientid, err)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorServerError), state)
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return
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}
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}
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if acr.ResponseType != oauth2.ResponseTypeCode {
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log.Errorf("unexpected ResponseType: %v: ", acr.ResponseType)
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redirectAuthError(w, oauth2.NewError(oauth2.ErrorUnsupportedResponseType), acr.State, redirectURL)
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// Response type check
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switch responseType {
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case "code": // Add more cases as we support more response types
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default:
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log.Errorf("Invalid auth request: unsupported response_type")
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redirectAuthError(w, oauth2.NewError(oauth2.ErrorUnsupportedResponseType), state, redirectURL)
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return
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}
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// Check scopes.
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var scopes []string
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foundOpenIDScope := false
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for _, scope := range acr.Scope {
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for _, scope := range qscope {
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switch scope {
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case "openid":
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foundOpenIDScope = true
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@ -364,16 +379,33 @@ func handleAuthFunc(srv OIDCServer, idpcs []connector.Connector, tpl *template.T
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if !foundOpenIDScope {
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log.Errorf("Invalid auth request: missing 'openid' in 'scope'")
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), acr.State)
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writeAuthError(w, oauth2.NewError(oauth2.ErrorInvalidRequest), state)
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return
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}
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register := q.Get("register") == "1" && registrationEnabled
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e := q.Get("error")
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if e != "" {
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if err := srv.KillSession(state); err != nil {
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log.Errorf("Failed killing sessionKey %q: %v", state, err)
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}
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renderLoginPage(w, r, srv, idpcs, register, tpl)
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return
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}
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connectorID := q.Get("connector_id")
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idpc, ok := idx[connectorID]
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if !ok {
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renderLoginPage(w, r, srv, idpcs, register, tpl)
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return
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}
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nonce := q.Get("nonce")
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key, err := srv.NewSession(connectorID, acr.ClientID, acr.State, redirectURL, nonce, register, acr.Scope)
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key, err := srv.NewSession(connectorID, clientid, state, redirectURL, nonce, register, qscope)
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if err != nil {
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log.Errorf("Error creating new session: %v: ", err)
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redirectAuthError(w, err, acr.State, redirectURL)
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redirectAuthError(w, err, state, redirectURL)
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return
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}
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@ -399,7 +431,7 @@ func handleAuthFunc(srv OIDCServer, idpcs []connector.Connector, tpl *template.T
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lu, err := idpc.LoginURL(key, p)
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if err != nil {
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log.Errorf("Connector.LoginURL failed: %v", err)
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redirectAuthError(w, err, acr.State, redirectURL)
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redirectAuthError(w, err, state, redirectURL)
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return
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}
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@ -175,6 +175,29 @@ func TestHandleAuthFuncResponsesSingleRedirectURL(t *testing.T) {
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},
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wantCode: http.StatusBadRequest,
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},
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// empty response_type
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{
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query: url.Values{
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"redirect_uri": []string{"http://client.example.com/callback"},
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"client_id": []string{"XXX"},
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"connector_id": []string{"fake"},
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"scope": []string{"openid"},
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},
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wantCode: http.StatusFound,
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wantLocation: "http://client.example.com/callback?error=unsupported_response_type&state=",
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},
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// empty client_id
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{
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query: url.Values{
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"response_type": []string{"code"},
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"redirect_uri": []string{"http://unrecognized.example.com/callback"},
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"connector_id": []string{"fake"},
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"scope": []string{"openid"},
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},
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wantCode: http.StatusBadRequest,
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},
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}
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for i, tt := range tests {
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