mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-27 05:02:02 -08:00
141 lines
3.0 KiB
Go
141 lines
3.0 KiB
Go
package slack
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"mime/multipart"
|
|
"net/http"
|
|
"net/http/httputil"
|
|
"net/url"
|
|
"os"
|
|
"path/filepath"
|
|
"time"
|
|
)
|
|
|
|
var HTTPClient = &http.Client{}
|
|
|
|
type WebResponse struct {
|
|
Ok bool `json:"ok"`
|
|
Error *WebError `json:"error"`
|
|
}
|
|
|
|
type WebError string
|
|
|
|
func (s WebError) Error() string {
|
|
return string(s)
|
|
}
|
|
|
|
func fileUploadReq(path, fpath string, values url.Values) (*http.Request, error) {
|
|
fullpath, err := filepath.Abs(fpath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
file, err := os.Open(fullpath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer file.Close()
|
|
|
|
body := &bytes.Buffer{}
|
|
wr := multipart.NewWriter(body)
|
|
|
|
ioWriter, err := wr.CreateFormFile("file", filepath.Base(fullpath))
|
|
if err != nil {
|
|
wr.Close()
|
|
return nil, err
|
|
}
|
|
bytes, err := io.Copy(ioWriter, file)
|
|
if err != nil {
|
|
wr.Close()
|
|
return nil, err
|
|
}
|
|
// Close the multipart writer or the footer won't be written
|
|
wr.Close()
|
|
stat, err := file.Stat()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if bytes != stat.Size() {
|
|
return nil, errors.New("could not read the whole file")
|
|
}
|
|
req, err := http.NewRequest("POST", path, body)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
req.Header.Add("Content-Type", wr.FormDataContentType())
|
|
req.URL.RawQuery = (values).Encode()
|
|
return req, nil
|
|
}
|
|
|
|
func parseResponseBody(body io.ReadCloser, intf *interface{}, debug bool) error {
|
|
response, err := ioutil.ReadAll(body)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// FIXME: will be api.Debugf
|
|
if debug {
|
|
logger.Printf("parseResponseBody: %s\n", string(response))
|
|
}
|
|
|
|
err = json.Unmarshal(response, &intf)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func postWithMultipartResponse(path string, filepath string, values url.Values, intf interface{}, debug bool) error {
|
|
req, err := fileUploadReq(SLACK_API+path, filepath, values)
|
|
resp, err := HTTPClient.Do(req)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
// Slack seems to send an HTML body along with 5xx error codes. Don't parse it.
|
|
if resp.StatusCode != 200 {
|
|
logResponse(resp, debug)
|
|
return fmt.Errorf("Slack server error: %s.", resp.Status)
|
|
}
|
|
|
|
return parseResponseBody(resp.Body, &intf, debug)
|
|
}
|
|
|
|
func postForm(endpoint string, values url.Values, intf interface{}, debug bool) error {
|
|
resp, err := HTTPClient.PostForm(endpoint, values)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
return parseResponseBody(resp.Body, &intf, debug)
|
|
}
|
|
|
|
func post(path string, values url.Values, intf interface{}, debug bool) error {
|
|
return postForm(SLACK_API+path, values, intf, debug)
|
|
}
|
|
|
|
func parseAdminResponse(method string, teamName string, values url.Values, intf interface{}, debug bool) error {
|
|
endpoint := fmt.Sprintf(SLACK_WEB_API_FORMAT, teamName, method, time.Now().Unix())
|
|
return postForm(endpoint, values, intf, debug)
|
|
}
|
|
|
|
func logResponse(resp *http.Response, debug bool) error {
|
|
if debug {
|
|
text, err := httputil.DumpResponse(resp, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
logger.Print(text)
|
|
}
|
|
|
|
return nil
|
|
}
|