mirror of
https://github.com/matrix-org/dendrite
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43cddfe00f
* Return remote errors from FS.PerformJoin Follows the same pattern as PerformJoin on roomserver (no error return). Also return the right format for incompatible room version errors. Makes a bunch of tests pass! * Handle network errors better when returning remote HTTP errors * Linting * Fix tests * Update whitelist, pass network errors through in API=1 mode
171 lines
5.7 KiB
Go
171 lines
5.7 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package jsonerror
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import (
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"fmt"
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"net/http"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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)
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// MatrixError represents the "standard error response" in Matrix.
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// http://matrix.org/docs/spec/client_server/r0.2.0.html#api-standards
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type MatrixError struct {
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ErrCode string `json:"errcode"`
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Err string `json:"error"`
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}
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func (e MatrixError) Error() string {
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return fmt.Sprintf("%s: %s", e.ErrCode, e.Err)
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}
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// InternalServerError returns a 500 Internal Server Error in a matrix-compliant
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// format.
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func InternalServerError() util.JSONResponse {
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return util.JSONResponse{
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Code: http.StatusInternalServerError,
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JSON: Unknown("Internal Server Error"),
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}
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}
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// Unknown is an unexpected error
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func Unknown(msg string) *MatrixError {
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return &MatrixError{"M_UNKNOWN", msg}
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}
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// Forbidden is an error when the client tries to access a resource
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// they are not allowed to access.
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func Forbidden(msg string) *MatrixError {
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return &MatrixError{"M_FORBIDDEN", msg}
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}
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// BadJSON is an error when the client supplies malformed JSON.
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func BadJSON(msg string) *MatrixError {
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return &MatrixError{"M_BAD_JSON", msg}
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}
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// NotJSON is an error when the client supplies something that is not JSON
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// to a JSON endpoint.
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func NotJSON(msg string) *MatrixError {
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return &MatrixError{"M_NOT_JSON", msg}
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}
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// NotFound is an error when the client tries to access an unknown resource.
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func NotFound(msg string) *MatrixError {
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return &MatrixError{"M_NOT_FOUND", msg}
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}
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// MissingArgument is an error when the client tries to access a resource
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// without providing an argument that is required.
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func MissingArgument(msg string) *MatrixError {
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return &MatrixError{"M_MISSING_ARGUMENT", msg}
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}
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// InvalidArgumentValue is an error when the client tries to provide an
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// invalid value for a valid argument
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func InvalidArgumentValue(msg string) *MatrixError {
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return &MatrixError{"M_INVALID_ARGUMENT_VALUE", msg}
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}
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// MissingToken is an error when the client tries to access a resource which
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// requires authentication without supplying credentials.
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func MissingToken(msg string) *MatrixError {
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return &MatrixError{"M_MISSING_TOKEN", msg}
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}
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// UnknownToken is an error when the client tries to access a resource which
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// requires authentication and supplies an unrecognised token
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func UnknownToken(msg string) *MatrixError {
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return &MatrixError{"M_UNKNOWN_TOKEN", msg}
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}
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// WeakPassword is an error which is returned when the client tries to register
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// using a weak password. http://matrix.org/docs/spec/client_server/r0.2.0.html#password-based
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func WeakPassword(msg string) *MatrixError {
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return &MatrixError{"M_WEAK_PASSWORD", msg}
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}
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// InvalidUsername is an error returned when the client tries to register an
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// invalid username
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func InvalidUsername(msg string) *MatrixError {
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return &MatrixError{"M_INVALID_USERNAME", msg}
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}
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// UserInUse is an error returned when the client tries to register an
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// username that already exists
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func UserInUse(msg string) *MatrixError {
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return &MatrixError{"M_USER_IN_USE", msg}
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}
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// ASExclusive is an error returned when an application service tries to
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// register an username that is outside of its registered namespace, or if a
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// user attempts to register a username or room alias within an exclusive
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// namespace.
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func ASExclusive(msg string) *MatrixError {
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return &MatrixError{"M_EXCLUSIVE", msg}
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}
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// GuestAccessForbidden is an error which is returned when the client is
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// forbidden from accessing a resource as a guest.
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func GuestAccessForbidden(msg string) *MatrixError {
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return &MatrixError{"M_GUEST_ACCESS_FORBIDDEN", msg}
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}
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type IncompatibleRoomVersionError struct {
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RoomVersion string `json:"room_version"`
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Error string `json:"error"`
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Code string `json:"errcode"`
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}
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// IncompatibleRoomVersion is an error which is returned when the client
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// requests a room with a version that is unsupported.
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func IncompatibleRoomVersion(roomVersion gomatrixserverlib.RoomVersion) *IncompatibleRoomVersionError {
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return &IncompatibleRoomVersionError{
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Code: "M_INCOMPATIBLE_ROOM_VERSION",
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RoomVersion: string(roomVersion),
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Error: "Your homeserver does not support the features required to join this room",
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}
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}
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// UnsupportedRoomVersion is an error which is returned when the client
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// requests a room with a version that is unsupported.
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func UnsupportedRoomVersion(msg string) *MatrixError {
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return &MatrixError{"M_UNSUPPORTED_ROOM_VERSION", msg}
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}
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// LimitExceededError is a rate-limiting error.
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type LimitExceededError struct {
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MatrixError
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RetryAfterMS int64 `json:"retry_after_ms,omitempty"`
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}
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// LimitExceeded is an error when the client tries to send events too quickly.
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func LimitExceeded(msg string, retryAfterMS int64) *LimitExceededError {
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return &LimitExceededError{
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MatrixError: MatrixError{"M_LIMIT_EXCEEDED", msg},
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RetryAfterMS: retryAfterMS,
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}
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}
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// NotTrusted is an error which is returned when the client asks the server to
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// proxy a request (e.g. 3PID association) to a server that isn't trusted
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func NotTrusted(serverName string) *MatrixError {
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return &MatrixError{
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ErrCode: "M_SERVER_NOT_TRUSTED",
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Err: fmt.Sprintf("Untrusted server '%s'", serverName),
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}
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}
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