50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"golang.org/x/oauth2"
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)
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func readConfig(filePath string) (*oauth2.Token, error) {
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if _, err := os.Stat(filePath); os.IsNotExist(err) {
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f, err := os.Create(filePath)
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if err != nil {
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return nil, fmt.Errorf("failed to create config file: %v", err)
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}
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if _, err := f.Write([]byte("{}")); err != nil {
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return nil, fmt.Errorf("failed to write empty object: %v", err)
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}
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return &oauth2.Token{}, nil
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}
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f, err := os.OpenFile(filePath, os.O_RDWR, 0644)
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if err != nil {
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return nil, fmt.Errorf("failed to open config file: %v", err)
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}
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defer f.Close()
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token := new(oauth2.Token)
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if err := json.NewDecoder(f).Decode(token); err != nil {
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return nil, fmt.Errorf("failed to decode json from config file: %v", err)
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}
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return token, nil
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}
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func writeConfig(filePath string, token *oauth2.Token) error {
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f, err := os.OpenFile(filePath, os.O_WRONLY, 0644)
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if err != nil {
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return fmt.Errorf("failed to open config file: %v", err)
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}
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defer f.Close()
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if err := json.NewEncoder(f).Encode(token); err != nil {
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return fmt.Errorf("failed to encode json to config file: %v", err)
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}
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return nil
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}
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