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ip2region.go
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/
ip2region.go
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/*
Nging is a toolbox for webmasters
Copyright (C) 2018-present Wenhui Shen <swh@admpub.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package tool
import (
"github.com/webx-top/echo"
"github.com/admpub/ip2region/binding/golang/ip2region"
)
var (
region *ip2region.Ip2Region
dictFile string
)
func IPInfo(ip string) (info ip2region.IpInfo, err error) {
if len(ip) == 0 {
return
}
if region == nil {
region, err = ip2region.New(dictFile)
if err != nil {
return
}
}
info, err = region.MemorySearch(ip)
return
}
func IP2Region(c echo.Context) error {
ip := c.Form(`ip`)
if len(ip) > 0 {
info, err := IPInfo(ip)
if err != nil {
return err
}
c.Data().SetData(info)
} else {
c.Request().Form().Set(`ip`, c.RealIP())
}
return c.Render(`/tool/ip`, nil)
}