/
webpage.go
55 lines (44 loc) · 1.04 KB
/
webpage.go
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package gobase
import (
"crypto/tls"
"fmt"
"github.com/PuerkitoBio/goquery"
"net/http"
"time"
)
func GetWebPageTitle(url string) (string, error) {
tr := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
client := &http.Client{Transport: tr, Timeout: 3 * time.Second}
resp, err := client.Get(url)
if err != nil {
return "", genWebPageError(err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return "", genWebPageError(fmt.Errorf("status code is not 200: %d", resp.StatusCode))
}
doc, err := goquery.NewDocumentFromReader(resp.Body)
if err != nil {
return "", genWebPageError(err)
}
title := doc.Find("title").Text()
if title == "" {
doc.Find("meta").Each(func(i int, s *goquery.Selection) {
if t, e := s.Attr("property"); e {
if t == "og:title" || t == "twitter:title" {
if t, _ = s.Attr("content"); t != "" {
title = t
}
}
}
})
}
return title, nil
}
func genWebPageError(err error) error {
return fmt.Errorf("process webpage failed. %s", err)
}