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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package core | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "crypto/tls" | ||
| "encoding/base64" | ||
| "fmt" | ||
| "github.com/j3ssie/goverview/utils" | ||
| "io/ioutil" | ||
| "net" | ||
| "net/http" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| "github.com/twmb/murmur3" | ||
| ) | ||
|
|
||
| func GetFavHash(URL string) string { | ||
| u, err := url.Parse(URL) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| hashURL := fmt.Sprintf("%v://%v/favicon.ico", u.Scheme, u.Host) | ||
| utils.DebugF("Get favicon at %v", hashURL) | ||
| data := BigResponseReq(hashURL) | ||
| if data == "" { | ||
| return "" | ||
| } | ||
| hashedFav := Mmh3Hash32(StandBase64([]byte(data))) | ||
| return hashedFav | ||
| } | ||
|
|
||
| func Mmh3Hash32(raw []byte) string { | ||
| h32 := murmur3.New32() | ||
| _, err := h32.Write(raw) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| return fmt.Sprintf("%d", int32(h32.Sum32())) | ||
| } | ||
|
|
||
| // StandBase64 base64 from bytes | ||
| func StandBase64(data []byte) []byte { | ||
| raw := base64.StdEncoding.EncodeToString(data) | ||
| var buffer bytes.Buffer | ||
| for i := 0; i < len(raw); i++ { | ||
| ch := raw[i] | ||
| buffer.WriteByte(ch) | ||
| if (i+1)%76 == 0 { | ||
| buffer.WriteByte('\n') | ||
| } | ||
| } | ||
| buffer.WriteByte('\n') | ||
| return buffer.Bytes() | ||
| } | ||
|
|
||
| func BigResponseReq(baseUrl string) string { | ||
| client := &http.Client{ | ||
| Timeout: time.Duration(10*3) * time.Second, | ||
| Transport: &http.Transport{ | ||
| DialContext: (&net.Dialer{ | ||
| Timeout: time.Second * 60, | ||
| }).DialContext, | ||
| MaxIdleConns: 1000, | ||
| MaxIdleConnsPerHost: 500, | ||
| MaxConnsPerHost: 500, | ||
| TLSClientConfig: &tls.Config{InsecureSkipVerify: true, Renegotiation: tls.RenegotiateOnceAsClient}, | ||
| }, | ||
| CheckRedirect: func(req *http.Request, via []*http.Request) error { return http.ErrUseLastResponse }, | ||
| } | ||
|
|
||
| req, _ := http.NewRequest("GET", baseUrl, nil) | ||
| req.Header.Add("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36") | ||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| content, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "" | ||
| } | ||
| return string(content) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| package core | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestGenFavHash(t *testing.T) { | ||
| data := GetFavHash("https://1.1.1.212/favicon.ico") | ||
| fmt.Println(data) | ||
| } |
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