seaweedfs/go/util/http_util.go
2015-02-07 15:35:28 -08:00

107 lines
2.1 KiB
Go

package util
import (
"bytes"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"github.com/chrislusf/weed-fs/go/security"
)
var (
client *http.Client
Transport *http.Transport
)
func init() {
Transport = &http.Transport{
MaxIdleConnsPerHost: 1024,
}
client = &http.Client{Transport: Transport}
}
func PostBytes(url string, body []byte) ([]byte, error) {
r, err := client.Post(url, "application/octet-stream", bytes.NewReader(body))
if err != nil {
return nil, err
}
defer r.Body.Close()
b, err := ioutil.ReadAll(r.Body)
if err != nil {
return nil, err
}
return b, nil
}
func Post(url string, values url.Values) ([]byte, error) {
r, err := client.PostForm(url, values)
if err != nil {
return nil, err
}
defer r.Body.Close()
b, err := ioutil.ReadAll(r.Body)
if err != nil {
return nil, err
}
return b, nil
}
func Get(url string) ([]byte, error) {
r, err := client.Get(url)
if err != nil {
return nil, err
}
defer r.Body.Close()
b, err := ioutil.ReadAll(r.Body)
if r.StatusCode != 200 {
return nil, fmt.Errorf("%s: %s", url, r.Status)
}
if err != nil {
return nil, err
}
return b, nil
}
func Delete(url string, jwt security.EncodedJwt) error {
req, err := http.NewRequest("DELETE", url, nil)
if jwt != "" {
req.Header.Set("Authorization", "BEARER "+string(jwt))
}
if err != nil {
return err
}
resp, e := client.Do(req)
if e != nil {
return e
}
defer resp.Body.Close()
if _, err := ioutil.ReadAll(resp.Body); err != nil {
return err
}
return nil
}
func DownloadUrl(fileUrl string) (filename string, content []byte, e error) {
response, err := client.Get(fileUrl)
if err != nil {
return "", nil, err
}
defer response.Body.Close()
contentDisposition := response.Header["Content-Disposition"]
if len(contentDisposition) > 0 {
if strings.HasPrefix(contentDisposition[0], "filename=") {
filename = contentDisposition[0][len("filename="):]
filename = strings.Trim(filename, "\"")
}
}
content, e = ioutil.ReadAll(response.Body)
return
}
func Do(req *http.Request) (resp *http.Response, err error) {
return client.Do(req)
}