mirror of
https://github.com/gravitational/teleport.git
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55 lines
1.9 KiB
Go
55 lines
1.9 KiB
Go
/*
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Copyright 2023 Gravitational, Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package services
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import (
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"crypto/sha256"
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"github.com/google/uuid"
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"github.com/gravitational/trace"
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"github.com/gravitational/teleport/api/types"
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)
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// ValidateHeadlessAuthentication verifies that the headless authentication has
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// all of the required fields set. headless authentication stubs created with
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// CreateHeadlessAuthenticationStub will not pass this validation.
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func ValidateHeadlessAuthentication(h *types.HeadlessAuthentication) error {
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if err := h.CheckAndSetDefaults(); err != nil {
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return trace.Wrap(err)
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}
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switch {
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case h.Version != types.V1:
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return trace.BadParameter("unsupported headless authentication resource version %q, current supported version is %s", h.Version, types.V1)
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case h.User == "":
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return trace.BadParameter("headless authentication resource must have non-empty user")
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case h.PublicKey == nil:
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return trace.BadParameter("headless authentication resource must have non-empty publicKey")
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case h.Metadata.Name != NewHeadlessAuthenticationID(h.PublicKey):
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return trace.BadParameter("headless authentication authentication resource name must be derived from public key")
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}
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return nil
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}
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// NewHeadlessAuthenticationID returns a new SHA256 (Version 5) UUID
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// based on the supplied ssh public key.
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func NewHeadlessAuthenticationID(pubKey []byte) string {
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return uuid.NewHash(sha256.New(), uuid.Nil, pubKey, 5).String()
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}
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