diff options
Diffstat (limited to 'mastodon/helper.go')
-rw-r--r-- | mastodon/helper.go | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/mastodon/helper.go b/mastodon/helper.go new file mode 100644 index 0000000..05af20f --- /dev/null +++ b/mastodon/helper.go @@ -0,0 +1,55 @@ +package mastodon + +import ( + "encoding/base64" + "encoding/json" + "errors" + "fmt" + "net/http" + "os" +) + +// Base64EncodeFileName returns the base64 data URI format string of the file with the file name. +func Base64EncodeFileName(filename string) (string, error) { + file, err := os.Open(filename) + if err != nil { + return "", err + } + defer file.Close() + + return Base64Encode(file) +} + +// Base64Encode returns the base64 data URI format string of the file. +func Base64Encode(file *os.File) (string, error) { + fi, err := file.Stat() + if err != nil { + return "", err + } + + d := make([]byte, fi.Size()) + _, err = file.Read(d) + if err != nil { + return "", err + } + + return "data:" + http.DetectContentType(d) + + ";base64," + base64.StdEncoding.EncodeToString(d), nil +} + +// String is a helper function to get the pointer value of a string. +func String(v string) *string { return &v } + +func parseAPIError(prefix string, resp *http.Response) error { + errMsg := fmt.Sprintf("%s: %s", prefix, resp.Status) + var e struct { + Error string `json:"error"` + } + + json.NewDecoder(resp.Body).Decode(&e) + if e.Error != "" { + errMsg = fmt.Sprintf("%s: %s", errMsg, e.Error) + } + + return errors.New(errMsg) +} |