/
client.go
64 lines (57 loc) · 1.19 KB
/
client.go
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package caller
import (
"bytes"
"errors"
"io"
"net/http"
"github.com/smalls0098/caller/apipb"
)
func Client(apiUrl string, proxy string) Caller {
return func(c *http.Client, r *http.Request) (*http.Response, error) {
if len(apiUrl) == 0 {
return c.Do(r) // 系统执行
}
body := make([]byte, 0)
if r.Body != nil {
defer r.Body.Close()
b, err := io.ReadAll(r.Body)
if err != nil {
return nil, err
}
if len(b) > 0 {
body = b
}
}
callReq, err := marshal(&apipb.CallReq{
Method: r.Method,
Url: r.URL.String(),
Headers: header2protoValue(r.Header),
Body: body,
Proxy: proxy,
})
if err != nil {
return nil, err
}
req, err := http.NewRequestWithContext(r.Context(), http.MethodPost, apiUrl, bytes.NewReader(callReq))
if err != nil {
return nil, err
}
res, err := client.Do(req)
if err != nil {
return nil, err
}
if res.StatusCode == http.StatusBadRequest && res.Header.Get("is_err") == "1" {
msg := ""
if res.Body != nil {
data, e := io.ReadAll(res.Body)
_ = res.Body.Close()
if e != nil {
return nil, e
}
msg = string(data)
}
return nil, errors.New(msg)
}
return res, err
}
}