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mysql_funcs.go
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mysql_funcs.go
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/*
* Copyright (c) 2013-2017, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* 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 client
import (
"database/sql"
"fmt"
"github.com/ctdk/goiardi/datastore"
"github.com/ctdk/goiardi/util"
"net/http"
)
func (c *Client) saveMySQL() error {
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
// check for a user with this name first. If orgs are ever
// implemented, it will only need to check for a user
// associated with this organization
err = chkForUser(tx, c.Name)
if err != nil {
return err
}
_, err = tx.Exec("INSERT INTO clients (name, nodename, validator, admin, public_key, certificate, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, NOW(), NOW()) ON DUPLICATE KEY UPDATE name = ?, nodename = ?, validator = ?, admin = ?, public_key = ?, certificate = ?, updated_at = NOW()", c.Name, c.NodeName, c.Validator, c.Admin, c.pubKey, c.Certificate, c.Name, c.NodeName, c.Validator, c.Admin, c.pubKey, c.Certificate)
if err != nil {
tx.Rollback()
return err
}
tx.Commit()
return nil
}
func (c *Client) renameMySQL(newName string) util.Gerror {
tx, err := datastore.Dbh.Begin()
if err != nil {
gerr := util.Errorf(err.Error())
return gerr
}
if err = chkForUser(tx, newName); err != nil {
tx.Rollback()
gerr := util.Errorf(err.Error())
return gerr
}
found, err := checkForClientSQL(datastore.Dbh, newName)
if found || err != nil {
tx.Rollback()
if found && err == nil {
gerr := util.Errorf("Client %s already exists, cannot rename %s", newName, c.Name)
gerr.SetStatus(http.StatusConflict)
return gerr
}
gerr := util.Errorf(err.Error())
gerr.SetStatus(http.StatusInternalServerError)
return gerr
}
_, err = tx.Exec("UPDATE clients SET name = ? WHERE name = ?", newName, c.Name)
if err != nil {
tx.Rollback()
gerr := util.Errorf(err.Error())
gerr.SetStatus(http.StatusInternalServerError)
return gerr
}
tx.Commit()
return nil
}
func chkForUser(handle datastore.Dbhandle, name string) error {
var userID int32
err := handle.QueryRow("SELECT id FROM users WHERE name = ?", name).Scan(&userID)
if err != sql.ErrNoRows {
if err == nil {
err = fmt.Errorf("a user with id %d named %s was found that would conflict with this client", userID, name)
}
} else {
err = nil
}
return err
}