-
Notifications
You must be signed in to change notification settings - Fork 8
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
5 changed files
with
114 additions
and
46 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package candy | ||
|
|
||
| import ( | ||
| "crypto/tls" | ||
| "net" | ||
| "net/http" | ||
| "os" | ||
| "path" | ||
|
|
||
| "github.com/ipinfo/go/v2/ipinfo" | ||
| "github.com/ipinfo/go/v2/ipinfo/cache" | ||
| "github.com/lanthora/cacao/argp" | ||
| "github.com/lanthora/cacao/logger" | ||
| "github.com/oschwald/geoip2-golang" | ||
| ) | ||
|
|
||
| func GetLocation(ip net.IP) (country, region string) { | ||
| if !ip.IsPrivate() { | ||
| ok := false | ||
| if country, region, ok = ipinfoLocation(ip); !ok { | ||
| country, region, _ = mmdbLocation(ip) | ||
| } | ||
| } | ||
| return | ||
| } | ||
|
|
||
| type dummyCacheEngine struct { | ||
| cache map[string]interface{} | ||
| } | ||
|
|
||
| var dummyCache = ipinfo.NewCache(newDummyCacheEngine()) | ||
| var httpClient = &http.Client{Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}}} | ||
|
|
||
| func newDummyCacheEngine() *dummyCacheEngine { | ||
| return &dummyCacheEngine{ | ||
| cache: make(map[string]interface{}), | ||
| } | ||
| } | ||
|
|
||
| func (c *dummyCacheEngine) Get(key string) (interface{}, error) { | ||
| if v, ok := c.cache[key]; ok { | ||
| return v, nil | ||
| } | ||
| return nil, cache.ErrNotFound | ||
| } | ||
|
|
||
| func (c *dummyCacheEngine) Set(key string, value interface{}) error { | ||
| c.cache[key] = value | ||
| return nil | ||
| } | ||
|
|
||
| func ipinfoLocation(ip net.IP) (country, region string, ok bool) { | ||
| client := ipinfo.NewClient(httpClient, dummyCache, "") | ||
| if info, err := client.GetIPInfo(ip); err == nil { | ||
| country = info.Country | ||
| region = info.Region | ||
| ok = true | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func findFileByExtFromDir(dir string, ext string) (string, error) { | ||
| files, err := os.ReadDir(dir) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| for _, file := range files { | ||
| if path.Ext(file.Name()) == ext { | ||
| return file.Name(), nil | ||
| } | ||
| } | ||
| return "", os.ErrNotExist | ||
| } | ||
|
|
||
| func mmdbLocation(ip net.IP) (country, region string, ok bool) { | ||
| storageDir := argp.Get("storage", ".") | ||
| filename, err := findFileByExtFromDir(storageDir, ".mmdb") | ||
| if err != nil { | ||
| logger.Debug("cannot found mmdb file: %v", err) | ||
| return | ||
| } | ||
| db, err := geoip2.Open(path.Join(storageDir, filename)) | ||
| if err != nil { | ||
| logger.Debug("open mmdb failed: %v", err) | ||
| return | ||
| } | ||
| defer db.Close() | ||
| record, err := db.City(ip) | ||
| if err != nil { | ||
| logger.Debug("get location failed: %v", err) | ||
| return | ||
| } | ||
|
|
||
| country = record.Country.IsoCode | ||
|
|
||
| if len(record.Subdivisions) > 0 { | ||
| region = record.Subdivisions[0].Names["en"] | ||
| } | ||
| ok = true | ||
| return | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters