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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)
}
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