120 lines
2.6 KiB
Go
120 lines
2.6 KiB
Go
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package slack
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"mime/multipart"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"time"
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)
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var HTTPClient = &http.Client{}
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type WebResponse struct {
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Ok bool `json:"ok"`
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Error *WebError `json:"error"`
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}
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type WebError string
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func (s WebError) Error() string {
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return string(s)
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}
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func fileUploadReq(path, fpath string, values url.Values) (*http.Request, error) {
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fullpath, err := filepath.Abs(fpath)
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if err != nil {
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return nil, err
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}
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file, err := os.Open(fullpath)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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body := &bytes.Buffer{}
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wr := multipart.NewWriter(body)
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ioWriter, err := wr.CreateFormFile("file", filepath.Base(fullpath))
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if err != nil {
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wr.Close()
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return nil, err
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}
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bytes, err := io.Copy(ioWriter, file)
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if err != nil {
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wr.Close()
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return nil, err
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}
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// Close the multipart writer or the footer won't be written
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wr.Close()
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stat, err := file.Stat()
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if err != nil {
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return nil, err
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}
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if bytes != stat.Size() {
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return nil, errors.New("could not read the whole file")
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}
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req, err := http.NewRequest("POST", path, body)
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if err != nil {
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return nil, err
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}
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req.Header.Add("Content-Type", wr.FormDataContentType())
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req.URL.RawQuery = (values).Encode()
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return req, nil
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}
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func parseResponseBody(body io.ReadCloser, intf *interface{}, debug bool) error {
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response, err := ioutil.ReadAll(body)
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if err != nil {
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return err
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}
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// FIXME: will be api.Debugf
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if debug {
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logger.Printf("parseResponseBody: %s\n", string(response))
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}
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err = json.Unmarshal(response, &intf)
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if err != nil {
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return err
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}
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return nil
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}
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func postWithMultipartResponse(path string, filepath string, values url.Values, intf interface{}, debug bool) error {
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req, err := fileUploadReq(SLACK_API+path, filepath, values)
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resp, err := HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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return parseResponseBody(resp.Body, &intf, debug)
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}
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func postForm(endpoint string, values url.Values, intf interface{}, debug bool) error {
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resp, err := HTTPClient.PostForm(endpoint, values)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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return parseResponseBody(resp.Body, &intf, debug)
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}
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func post(path string, values url.Values, intf interface{}, debug bool) error {
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return postForm(SLACK_API+path, values, intf, debug)
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}
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func parseAdminResponse(method string, teamName string, values url.Values, intf interface{}, debug bool) error {
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endpoint := fmt.Sprintf(SLACK_WEB_API_FORMAT, teamName, method, time.Now().Unix())
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return postForm(endpoint, values, intf, debug)
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}
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