98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
// Copyright © 2016 Abcum 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 mysql
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import (
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"fmt"
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"regexp"
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"crypto/tls"
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"crypto/x509"
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"io/ioutil"
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"database/sql"
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"github.com/go-sql-driver/mysql"
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"github.com/abcum/surreal/cnf"
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"github.com/abcum/surreal/kvs"
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)
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func init() {
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kvs.Register("mysql", New)
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}
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func New(opts *cnf.Options) (ds kvs.DS, err error) {
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var db *sql.DB
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opts.DB.Path, err = config(opts)
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if err != nil {
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return
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}
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db, err = sql.Open("mysql", opts.DB.Path)
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if err != nil {
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return
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}
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return &DS{db: db, ck: opts.DB.Key}, err
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}
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func config(opts *cnf.Options) (path string, err error) {
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re := regexp.MustCompile(`^mysql://` +
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`((?:(?P<user>.*?)(?::(?P<passwd>.*))?@))?` +
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`(?:(?:(?P<addr>[^\/]*))?)?` +
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`\/(?P<dbname>.*?)` +
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`(?:\?(?P<params>[^\?]*))?$`)
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ma := re.FindStringSubmatch(opts.DB.Path)
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if len(ma) == 0 || ma[4] == "" || ma[5] == "" {
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err = fmt.Errorf("Specify a valid data store configuration path. Use the help command for further instructions.")
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}
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if opts.DB.Cert.SSL {
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pool := x509.NewCertPool()
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pem, err := ioutil.ReadFile(opts.DB.Cert.CA)
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if err != nil {
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err = fmt.Errorf("Could not read file %s", opts.DB.Cert.CA)
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}
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if ok := pool.AppendCertsFromPEM(pem); !ok {
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return "", fmt.Errorf("Could not read file %s", opts.DB.Cert.CA)
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}
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cert := make([]tls.Certificate, 0, 1)
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pair, err := tls.LoadX509KeyPair(opts.DB.Cert.Crt, opts.DB.Cert.Key)
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if err != nil {
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return "", err
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}
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cert = append(cert, pair)
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mysql.RegisterTLSConfig("custom", &tls.Config{
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RootCAs: pool,
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Certificates: cert,
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InsecureSkipVerify: true,
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})
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}
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if opts.DB.Cert.SSL {
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path += fmt.Sprintf("%stcp(%s)/%s?tls=custom", ma[1], ma[4], ma[5])
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} else {
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path += fmt.Sprintf("%stcp(%s)/%s", ma[1], ma[4], ma[5])
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}
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return
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}
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