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url_sig_keys.go
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/
url_sig_keys.go
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package postgres
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import (
"context"
"database/sql"
"encoding/json"
"errors"
"github.com/apache/trafficcontrol/lib/go-tc"
"github.com/apache/trafficcontrol/lib/go-util"
"github.com/jmoiron/sqlx"
)
func getURLSigKeys(xmlID string, tvTx *sqlx.Tx, ctx context.Context, aesKey []byte) (tc.URLSigKeys, bool, error) {
var encryptedUrlSigKey []byte
if err := tvTx.QueryRow("SELECT data FROM url_sig_key WHERE deliveryservice = $1", xmlID).Scan(&encryptedUrlSigKey); err != nil {
if err == sql.ErrNoRows {
return tc.URLSigKeys{}, false, nil
}
e := checkErrWithContext("Traffic Vault PostgreSQL: executing SELECT URL Sig Keys query", err, ctx.Err())
return tc.URLSigKeys{}, false, e
}
jsonUrlKeys, err := util.AESDecrypt(encryptedUrlSigKey, aesKey)
if err != nil {
return tc.URLSigKeys{}, false, err
}
urlSignKey := tc.URLSigKeys{}
err = json.Unmarshal(jsonUrlKeys, &urlSignKey)
if err != nil {
return tc.URLSigKeys{}, false, errors.New("unmarshalling keys: " + err.Error())
}
return urlSignKey, true, nil
}
func putURLSigKeys(xmlID string, tvTx *sqlx.Tx, keys tc.URLSigKeys, ctx context.Context, aesKey []byte) error {
keyJSON, err := json.Marshal(&keys)
if err != nil {
return errors.New("marshalling keys: " + err.Error())
}
// Delete old keys first if they exist
if err = deleteURLSigKeys(xmlID, tvTx, ctx); err != nil {
return err
}
encryptedKey, err := util.AESEncrypt(keyJSON, aesKey)
if err != nil {
return errors.New("encrypting keys: " + err.Error())
}
res, err := tvTx.Exec("INSERT INTO url_sig_key (deliveryservice, data) VALUES ($1, $2)", xmlID, encryptedKey)
if err != nil {
e := checkErrWithContext("Traffic Vault PostgreSQL: executing INSERT URL Sig Keys query", err, ctx.Err())
return e
}
if rowsAffected, err := res.RowsAffected(); err != nil {
return err
} else if rowsAffected == 0 {
return errors.New("URL Sign Keys: no keys were inserted")
}
return nil
}
func deleteURLSigKeys(xmlID string, tvTx *sqlx.Tx, ctx context.Context) error {
if _, err := tvTx.Exec("DELETE FROM url_sig_key WHERE deliveryservice = $1", xmlID); err != nil {
e := checkErrWithContext("Traffic Vault PostgreSQL: executing DELETE URL Sig Keys query", err, ctx.Err())
return e
}
return nil
}