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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
|
|
||
| "github.com/apernet/hysteria/extras/outbounds/acl" | ||
| "github.com/apernet/hysteria/extras/outbounds/acl/v2geo" | ||
| ) | ||
|
|
||
| const ( | ||
| geoipFilename = "geoip.dat" | ||
| geoipURL = "https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geoip.dat" | ||
| geositeFilename = "geosite.dat" | ||
| geositeURL = "https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release/geosite.dat" | ||
| ) | ||
|
|
||
| var _ acl.GeoLoader = (*GeoLoader)(nil) | ||
|
|
||
| // GeoLoader provides the on-demand GeoIP/GeoSite database | ||
| // loading functionality required by the ACL engine. | ||
| // Empty filenames = automatic download from built-in URLs. | ||
| type GeoLoader struct { | ||
| GeoIPFilename string | ||
| GeoSiteFilename string | ||
|
|
||
| DownloadFunc func(filename, url string) | ||
| DownloadErrFunc func(err error) | ||
|
|
||
| geoipMap map[string]*v2geo.GeoIP | ||
| geositeMap map[string]*v2geo.GeoSite | ||
| } | ||
|
|
||
| func (l *GeoLoader) download(filename, url string) error { | ||
| l.DownloadFunc(filename, url) | ||
|
|
||
| resp, err := http.Get(url) | ||
| if err != nil { | ||
| l.DownloadErrFunc(err) | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| f, err := os.Create(filename) | ||
| if err != nil { | ||
| l.DownloadErrFunc(err) | ||
| return err | ||
| } | ||
| defer f.Close() | ||
|
|
||
| _, err = io.Copy(f, resp.Body) | ||
| l.DownloadErrFunc(err) | ||
| return err | ||
| } | ||
|
|
||
| func (l *GeoLoader) LoadGeoIP() (map[string]*v2geo.GeoIP, error) { | ||
| if l.geoipMap != nil { | ||
| return l.geoipMap, nil | ||
| } | ||
| autoDL := false | ||
| filename := l.GeoIPFilename | ||
| if filename == "" { | ||
| autoDL = true | ||
| filename = geoipFilename | ||
| } | ||
| m, err := v2geo.LoadGeoIP(filename) | ||
| if os.IsNotExist(err) && autoDL { | ||
| // It's ok, we will download it. | ||
| err = l.download(filename, geoipURL) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| m, err = v2geo.LoadGeoIP(filename) | ||
| } | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| l.geoipMap = m | ||
| return m, nil | ||
| } | ||
|
|
||
| func (l *GeoLoader) LoadGeoSite() (map[string]*v2geo.GeoSite, error) { | ||
| if l.geositeMap != nil { | ||
| return l.geositeMap, nil | ||
| } | ||
| autoDL := false | ||
| filename := l.GeoSiteFilename | ||
| if filename == "" { | ||
| autoDL = true | ||
| filename = geositeFilename | ||
| } | ||
| m, err := v2geo.LoadGeoSite(filename) | ||
| if os.IsNotExist(err) && autoDL { | ||
| // It's ok, we will download it. | ||
| err = l.download(filename, geositeURL) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| m, err = v2geo.LoadGeoSite(filename) | ||
| } | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| l.geositeMap = m | ||
| return m, nil | ||
| } |
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