59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package mastodon
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import (
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"os"
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)
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// Base64EncodeFileName returns the base64 data URI format string of the file with the file name.
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func Base64EncodeFileName(filename string) (string, error) {
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file, err := os.Open(filename)
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if err != nil {
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return "", err
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}
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defer file.Close()
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return Base64Encode(file)
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}
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// Base64Encode returns the base64 data URI format string of the file.
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func Base64Encode(file *os.File) (string, error) {
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fi, err := file.Stat()
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if err != nil {
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return "", err
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}
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d := make([]byte, fi.Size())
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_, err = file.Read(d)
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if err != nil {
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return "", err
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}
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return "data:" + http.DetectContentType(d) +
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";base64," + base64.StdEncoding.EncodeToString(d), nil
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}
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// Int64 is a helper function to get the pointer value of a int64.
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func Int64(v int64) *int64 { return &v }
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// String is a helper function to get the pointer value of a string.
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func String(v string) *string { return &v }
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func parseAPIError(prefix string, resp *http.Response) error {
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errMsg := fmt.Sprintf("%s: %s", prefix, resp.Status)
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var e struct {
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Error string `json:"error"`
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}
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json.NewDecoder(resp.Body).Decode(&e)
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if e.Error != "" {
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errMsg = fmt.Sprintf("%s: %s", errMsg, e.Error)
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}
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return errors.New(errMsg)
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}
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