Initial QSfera import

Server/vendor/github.com/libregraph/lico/identity/errors.go

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2017-2019 Kopano and its licensors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package identity
+
+import (
+	"net/url"
+)
+
+// IsHandledError is an error which tells that the backend has handled
+// the request and all further handling should stop
+type IsHandledError struct {
+}
+
+// Error implements the error interface.
+func (err *IsHandledError) Error() string {
+	return "is_handled"
+}
+
+// RedirectError is an error which backends can return if a
+// redirection is required.
+type RedirectError struct {
+	id          string
+	redirectURI *url.URL
+}
+
+// NewRedirectError creates a new corresponding error with the
+// provided id and redirect URL.
+func NewRedirectError(id string, redirectURI *url.URL) *RedirectError {
+	return &RedirectError{
+		id:          id,
+		redirectURI: redirectURI,
+	}
+}
+
+// Error implements the error interface.
+func (err *RedirectError) Error() string {
+	return err.id
+}
+
+// RedirectURI returns the redirection URL of the accociated error.
+func (err *RedirectError) RedirectURI() *url.URL {
+	return err.redirectURI
+}
+
+// LoginRequiredError which backends can return to indicate that sign-in is
+// required.
+type LoginRequiredError struct {
+	id        string
+	signInURI *url.URL
+}
+
+// NewLoginRequiredError creates a new corresponding error with the provided id.
+func NewLoginRequiredError(id string, signInURI *url.URL) *LoginRequiredError {
+	return &LoginRequiredError{
+		id:        id,
+		signInURI: signInURI,
+	}
+}
+
+// Error implements the error interface.
+func (err *LoginRequiredError) Error() string {
+	return err.id
+}
+
+// SignInURI returns the sign-in URL of the accociated error.
+func (err *LoginRequiredError) SignInURI() *url.URL {
+	return err.signInURI
+}