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-rw-r--r--vendor/github.com/nlopes/slack/misc.go360
1 files changed, 0 insertions, 360 deletions
diff --git a/vendor/github.com/nlopes/slack/misc.go b/vendor/github.com/nlopes/slack/misc.go
deleted file mode 100644
index 0dcee950..00000000
--- a/vendor/github.com/nlopes/slack/misc.go
+++ /dev/null
@@ -1,360 +0,0 @@
-package slack
-
-import (
- "bytes"
- "context"
- "encoding/json"
- "errors"
- "fmt"
- "io"
- "io/ioutil"
- "mime"
- "mime/multipart"
- "net/http"
- "net/http/httputil"
- "net/url"
- "os"
- "path/filepath"
- "strconv"
- "strings"
- "time"
-)
-
-// SlackResponse handles parsing out errors from the web api.
-type SlackResponse struct {
- Ok bool `json:"ok"`
- Error string `json:"error"`
-}
-
-func (t SlackResponse) Err() error {
- if t.Ok {
- return nil
- }
-
- // handle pure text based responses like chat.post
- // which while they have a slack response in their data structure
- // it doesn't actually get set during parsing.
- if strings.TrimSpace(t.Error) == "" {
- return nil
- }
-
- return errors.New(t.Error)
-}
-
-// StatusCodeError represents an http response error.
-// type httpStatusCode interface { HTTPStatusCode() int } to handle it.
-type statusCodeError struct {
- Code int
- Status string
-}
-
-func (t statusCodeError) Error() string {
- return fmt.Sprintf("slack server error: %s", t.Status)
-}
-
-func (t statusCodeError) HTTPStatusCode() int {
- return t.Code
-}
-
-func (t statusCodeError) Retryable() bool {
- if t.Code >= 500 || t.Code == http.StatusTooManyRequests {
- return true
- }
- return false
-}
-
-// RateLimitedError represents the rate limit respond from slack
-type RateLimitedError struct {
- RetryAfter time.Duration
-}
-
-func (e *RateLimitedError) Error() string {
- return fmt.Sprintf("slack rate limit exceeded, retry after %s", e.RetryAfter)
-}
-
-func (e *RateLimitedError) Retryable() bool {
- return true
-}
-
-func fileUploadReq(ctx context.Context, path string, values url.Values, r io.Reader) (*http.Request, error) {
- req, err := http.NewRequest("POST", path, r)
- if err != nil {
- return nil, err
- }
-
- req = req.WithContext(ctx)
- req.URL.RawQuery = (values).Encode()
- return req, nil
-}
-
-func downloadFile(client httpClient, token string, downloadURL string, writer io.Writer, d debug) error {
- if downloadURL == "" {
- return fmt.Errorf("received empty download URL")
- }
-
- req, err := http.NewRequest("GET", downloadURL, &bytes.Buffer{})
- if err != nil {
- return err
- }
-
- var bearer = "Bearer " + token
- req.Header.Add("Authorization", bearer)
- req.WithContext(context.Background())
-
- resp, err := client.Do(req)
- if err != nil {
- return err
- }
-
- defer resp.Body.Close()
-
- err = checkStatusCode(resp, d)
- if err != nil {
- return err
- }
-
- _, err = io.Copy(writer, resp.Body)
-
- return err
-}
-
-func formReq(endpoint string, values url.Values) (req *http.Request, err error) {
- if req, err = http.NewRequest("POST", endpoint, strings.NewReader(values.Encode())); err != nil {
- return nil, err
- }
-
- req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
- return req, nil
-}
-
-func jsonReq(endpoint string, body interface{}) (req *http.Request, err error) {
- buffer := bytes.NewBuffer([]byte{})
- if err = json.NewEncoder(buffer).Encode(body); err != nil {
- return nil, err
- }
-
- if req, err = http.NewRequest("POST", endpoint, buffer); err != nil {
- return nil, err
- }
-
- req.Header.Set("Content-Type", "application/json; charset=utf-8")
- return req, nil
-}
-
-func parseResponseBody(body io.ReadCloser, intf interface{}, d debug) error {
- response, err := ioutil.ReadAll(body)
- if err != nil {
- return err
- }
-
- if d.Debug() {
- d.Debugln("parseResponseBody", string(response))
- }
-
- return json.Unmarshal(response, intf)
-}
-
-func postLocalWithMultipartResponse(ctx context.Context, client httpClient, method, fpath, fieldname string, values url.Values, intf interface{}, d debug) error {
- fullpath, err := filepath.Abs(fpath)
- if err != nil {
- return err
- }
- file, err := os.Open(fullpath)
- if err != nil {
- return err
- }
- defer file.Close()
-
- return postWithMultipartResponse(ctx, client, method, filepath.Base(fpath), fieldname, values, file, intf, d)
-}
-
-func postWithMultipartResponse(ctx context.Context, client httpClient, path, name, fieldname string, values url.Values, r io.Reader, intf interface{}, d debug) error {
- pipeReader, pipeWriter := io.Pipe()
- wr := multipart.NewWriter(pipeWriter)
- errc := make(chan error)
- go func() {
- defer pipeWriter.Close()
- ioWriter, err := wr.CreateFormFile(fieldname, name)
- if err != nil {
- errc <- err
- return
- }
- _, err = io.Copy(ioWriter, r)
- if err != nil {
- errc <- err
- return
- }
- if err = wr.Close(); err != nil {
- errc <- err
- return
- }
- }()
- req, err := fileUploadReq(ctx, path, values, pipeReader)
- if err != nil {
- return err
- }
- req.Header.Add("Content-Type", wr.FormDataContentType())
- req = req.WithContext(ctx)
- resp, err := client.Do(req)
-
- if err != nil {
- return err
- }
- defer resp.Body.Close()
-
- err = checkStatusCode(resp, d)
- if err != nil {
- return err
- }
-
- select {
- case err = <-errc:
- return err
- default:
- return newJSONParser(intf)(resp)
- }
-}
-
-func doPost(ctx context.Context, client httpClient, req *http.Request, parser responseParser, d debug) error {
- req = req.WithContext(ctx)
- resp, err := client.Do(req)
- if err != nil {
- return err
- }
- defer resp.Body.Close()
-
- err = checkStatusCode(resp, d)
- if err != nil {
- return err
- }
-
- return parser(resp)
-}
-
-// post JSON.
-func postJSON(ctx context.Context, client httpClient, endpoint, token string, json []byte, intf interface{}, d debug) error {
- reqBody := bytes.NewBuffer(json)
- req, err := http.NewRequest("POST", endpoint, reqBody)
- if err != nil {
- return err
- }
- req.Header.Set("Content-Type", "application/json")
- req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
-
- return doPost(ctx, client, req, newJSONParser(intf), d)
-}
-
-// post a url encoded form.
-func postForm(ctx context.Context, client httpClient, endpoint string, values url.Values, intf interface{}, d debug) error {
- reqBody := strings.NewReader(values.Encode())
- req, err := http.NewRequest("POST", endpoint, reqBody)
- if err != nil {
- return err
- }
- req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
- return doPost(ctx, client, req, newJSONParser(intf), d)
-}
-
-func getResource(ctx context.Context, client httpClient, endpoint string, values url.Values, intf interface{}, d debug) error {
- req, err := http.NewRequest("GET", endpoint, nil)
- if err != nil {
- return err
- }
- req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
- req.URL.RawQuery = values.Encode()
-
- return doPost(ctx, client, req, newJSONParser(intf), d)
-}
-
-func parseAdminResponse(ctx context.Context, client httpClient, method string, teamName string, values url.Values, intf interface{}, d debug) error {
- endpoint := fmt.Sprintf(WEBAPIURLFormat, teamName, method, time.Now().Unix())
- return postForm(ctx, client, endpoint, values, intf, d)
-}
-
-func logResponse(resp *http.Response, d debug) error {
- if d.Debug() {
- text, err := httputil.DumpResponse(resp, true)
- if err != nil {
- return err
- }
- d.Debugln(string(text))
- }
-
- return nil
-}
-
-func okJSONHandler(rw http.ResponseWriter, r *http.Request) {
- rw.Header().Set("Content-Type", "application/json")
- response, _ := json.Marshal(SlackResponse{
- Ok: true,
- })
- rw.Write(response)
-}
-
-// timerReset safely reset a timer, see time.Timer.Reset for details.
-func timerReset(t *time.Timer, d time.Duration) {
- if !t.Stop() {
- <-t.C
- }
- t.Reset(d)
-}
-
-func checkStatusCode(resp *http.Response, d debug) error {
- if resp.StatusCode == http.StatusTooManyRequests {
- retry, err := strconv.ParseInt(resp.Header.Get("Retry-After"), 10, 64)
- if err != nil {
- return err
- }
- return &RateLimitedError{time.Duration(retry) * time.Second}
- }
-
- // Slack seems to send an HTML body along with 5xx error codes. Don't parse it.
- if resp.StatusCode != http.StatusOK {
- logResponse(resp, d)
- return statusCodeError{Code: resp.StatusCode, Status: resp.Status}
- }
-
- return nil
-}
-
-type responseParser func(*http.Response) error
-
-func newJSONParser(dst interface{}) responseParser {
- return func(resp *http.Response) error {
- return json.NewDecoder(resp.Body).Decode(dst)
- }
-}
-
-func newTextParser(dst interface{}) responseParser {
- return func(resp *http.Response) error {
- b, err := ioutil.ReadAll(resp.Body)
- if err != nil {
- return err
- }
-
- if !bytes.Equal(b, []byte("ok")) {
- return errors.New(string(b))
- }
-
- return nil
- }
-}
-
-func newContentTypeParser(dst interface{}) responseParser {
- return func(req *http.Response) (err error) {
- var (
- ctype string
- )
-
- if ctype, _, err = mime.ParseMediaType(req.Header.Get("Content-Type")); err != nil {
- return err
- }
-
- switch ctype {
- case "application/json":
- return newJSONParser(dst)(req)
- default:
- return newTextParser(dst)(req)
- }
- }
-}