mirror of https://github.com/harness/drone.git
97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
// Copyright 2023 Harness, Inc.
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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 publickey
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import (
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"context"
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"fmt"
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"time"
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"github.com/harness/gitness/app/store"
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"github.com/harness/gitness/errors"
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"github.com/harness/gitness/types"
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"github.com/harness/gitness/types/enum"
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"github.com/gliderlabs/ssh"
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)
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type Service interface {
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ValidateKey(ctx context.Context,
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username string,
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publicKey ssh.PublicKey,
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usage enum.PublicKeyUsage,
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) (*types.PrincipalInfo, error)
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}
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func NewService(
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publicKeyStore store.PublicKeyStore,
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pCache store.PrincipalInfoCache,
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) LocalService {
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return LocalService{
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publicKeyStore: publicKeyStore,
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pCache: pCache,
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}
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}
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type LocalService struct {
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publicKeyStore store.PublicKeyStore
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pCache store.PrincipalInfoCache
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}
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// ValidateKey tries to match the provided key to one of the keys in the database.
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// It updates the verified timestamp of the matched key to mark it as used.
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func (s LocalService) ValidateKey(
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ctx context.Context,
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_ string,
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publicKey ssh.PublicKey,
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usage enum.PublicKeyUsage,
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) (*types.PrincipalInfo, error) {
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key := From(publicKey)
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fingerprint := key.Fingerprint()
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existingKeys, err := s.publicKeyStore.ListByFingerprint(ctx, fingerprint)
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if err != nil {
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return nil, fmt.Errorf("failed to read keys by fingerprint: %w", err)
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}
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var keyID int64
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var principalID int64
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for _, existingKey := range existingKeys {
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if !key.Matches(existingKey.Content) || existingKey.Usage != usage {
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continue
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}
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keyID = existingKey.ID
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principalID = existingKey.PrincipalID
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}
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if keyID == 0 {
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return nil, errors.NotFound("Unrecognized key")
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}
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pInfo, err := s.pCache.Get(ctx, principalID)
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if err != nil {
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return nil, fmt.Errorf("failed to pull principal info by public key's principal ID: %w", err)
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}
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err = s.publicKeyStore.MarkAsVerified(ctx, keyID, time.Now().UnixMilli())
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if err != nil {
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return nil, fmt.Errorf("failed mark key as verified: %w", err)
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}
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return pInfo, nil
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}
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