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uri.go
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/
uri.go
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// Copyright 2021 FerretDB Inc.
//
// Licensed 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.
package pool
import (
"net/url"
"strings"
"github.com/go-sql-driver/mysql"
)
// parseURI checks the given MySQL URI and returns a parsed form.
//
// URI should contain the protocol with which the connection is being made.
// For example: <user>:<pwd>@tcp(127.0.0.1/3306)/dbName
//
// Returned URL string follows the correct format for use by the database/sql `Open` method.
func parseURI(uri string) (string, error) {
u, err := url.Parse(uri)
if err != nil {
return "", err
}
username := u.User.Username()
password, _ := u.User.Password()
values := u.Query()
params := make(map[string]string, len(values))
for k := range values {
params[k] = values.Get(k)
}
// mysql url requires a specified format to work
// For example: username:password@tcp(127.0.0.1:3306)/ferretdb
cfg := mysql.Config{
User: username,
Passwd: password,
Net: "tcp",
Addr: u.Host,
DBName: strings.TrimPrefix(u.Path, "/"),
Params: params,
}
mysqlURL := cfg.FormatDSN()
return mysqlURL, nil
}