/
translator_bing.go
91 lines (82 loc) · 1.84 KB
/
translator_bing.go
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package translator
import (
"encoding/json"
"io/ioutil"
"net/http"
"net/url"
)
const (
BING_PAGE_URL = "https://cn.bing.com/translator"
BING_API_URL = "https://cn.bing.com/ttranslatev3?isVertical=1&IG=A19BFC4FE4624DCA902152EC61EB67EE&IID=translator.5025.31"
)
type bing struct {
basicTranslator
}
func NewBing(cache SessionCache) Translator {
return &bing{
basicTranslator{
cache: cache,
agent: DefaultAgent,
engine: EngineBing,
},
}
}
func (b *bing) Engine() EngineName {
return EngineBing
}
func (b *bing) Session() (*Session, error) {
req, _ := http.NewRequest("GET", BING_PAGE_URL, nil)
req.Header.Set("User-Agent", b.agent)
resp, err := http.DefaultClient.Do(req)
if err == nil {
defer resp.Body.Close()
return &Session{
Cookies: resp.Cookies(),
}, nil
} else {
return nil, err
}
}
type BingResult struct {
DetectedLanguage *struct {
Language string `json:"language"` // zh-Hans
Score float32 `json:"score"` //1.0
} `json:"detectedLanguage,omitempty"`
Translations []struct {
SentLen struct {
SrcSentLen []int64 `json:"srcSentLen"`
} `json:"sentLen"`
Text string `json:"text"`
To string `json:"to"`
} `json:"translations"`
InputTransliteration *string `json:"inputTransliteration,omitempty"`
}
func (br *BingResult) String() string {
if len(br.Translations) > 0 {
return br.Translations[0].Text
}
return ""
}
func (bn *bing) Translate(srcLang, targetLang, text string) (r Result, err error) {
sl, tl, err := bn.keepLang(srcLang, targetLang)
if err != nil {
return
}
resp, err := bn.postForm(BING_API_URL, url.Values{
"fromLang": {sl},
"to": {tl},
"text": {text},
})
if err != nil {
return
}
b, err := ioutil.ReadAll(resp.Body)
if err == nil {
br := []BingResult{}
err = json.Unmarshal(b, &br)
if err == nil && len(br) > 0 {
r = &br[0]
}
}
return
}