mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-14 15:22:50 +00:00
45 lines
1.6 KiB
Go
45 lines
1.6 KiB
Go
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// Copyright 2022 The Matrix.org Foundation C.I.C.
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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 internal
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import (
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"fmt"
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"net/http"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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"github.com/matrix-org/util"
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)
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const minPasswordLength = 8 // http://matrix.org/docs/spec/client_server/r0.2.0.html#password-based
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const maxPasswordLength = 512 // https://github.com/matrix-org/synapse/blob/v0.20.0/synapse/rest/client/v2_alpha/register.py#L161
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// ValidatePassword returns an error response if the password is invalid
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func ValidatePassword(password string) *util.JSONResponse {
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// https://github.com/matrix-org/synapse/blob/v0.20.0/synapse/rest/client/v2_alpha/register.py#L161
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if len(password) > maxPasswordLength {
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.BadJSON(fmt.Sprintf("password too long: max %d characters", maxPasswordLength)),
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}
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} else if len(password) > 0 && len(password) < minPasswordLength {
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return &util.JSONResponse{
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Code: http.StatusBadRequest,
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JSON: jsonerror.WeakPassword(fmt.Sprintf("password too weak: min %d chars", minPasswordLength)),
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}
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}
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return nil
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}
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