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package service
import (
"context"
"errors"
"io"
"mastodon"
"web/model"
)
var (
ErrInvalidSession = errors.New("invalid session")
)
type authService struct {
sessionRepo model.SessionRepository
appRepo model.AppRepository
Service
}
func NewAuthService(sessionRepo model.SessionRepository, appRepo model.AppRepository, s Service) Service {
return &authService{sessionRepo, appRepo, s}
}
func getSessionID(ctx context.Context) (sessionID string, err error) {
sessionID, ok := ctx.Value("session_id").(string)
if !ok || len(sessionID) < 1 {
return "", ErrInvalidSession
}
return sessionID, nil
}
func (s *authService) getClient(ctx context.Context) (c *mastodon.Client, err error) {
sessionID, err := getSessionID(ctx)
if err != nil {
return nil, ErrInvalidSession
}
session, err := s.sessionRepo.Get(sessionID)
if err != nil {
return nil, ErrInvalidSession
}
client, err := s.appRepo.Get(session.InstanceURL)
if err != nil {
return
}
c = mastodon.NewClient(&mastodon.Config{
Server: session.InstanceURL,
ClientID: client.ClientID,
ClientSecret: client.ClientSecret,
AccessToken: session.AccessToken,
})
return c, nil
}
func (s *authService) GetAuthUrl(ctx context.Context, instance string) (
redirectUrl string, sessionID string, err error) {
return s.Service.GetAuthUrl(ctx, instance)
}
func (s *authService) GetUserToken(ctx context.Context, sessionID string, c *mastodon.Client,
code string) (token string, err error) {
sessionID, err = getSessionID(ctx)
if err != nil {
return
}
c, err = s.getClient(ctx)
if err != nil {
return
}
token, err = s.Service.GetUserToken(ctx, sessionID, c, code)
if err != nil {
return
}
err = s.sessionRepo.Update(sessionID, token)
if err != nil {
return
}
return
}
func (s *authService) ServeHomePage(ctx context.Context, client io.Writer) (err error) {
return s.Service.ServeHomePage(ctx, client)
}
func (s *authService) ServeErrorPage(ctx context.Context, client io.Writer, err error) {
s.Service.ServeErrorPage(ctx, client, err)
}
func (s *authService) ServeSigninPage(ctx context.Context, client io.Writer) (err error) {
return s.Service.ServeSigninPage(ctx, client)
}
func (s *authService) ServeTimelinePage(ctx context.Context, client io.Writer,
c *mastodon.Client, maxID string, sinceID string, minID string) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.ServeTimelinePage(ctx, client, c, maxID, sinceID, minID)
}
func (s *authService) ServeThreadPage(ctx context.Context, client io.Writer, c *mastodon.Client, id string, reply bool) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.ServeThreadPage(ctx, client, c, id, reply)
}
func (s *authService) Like(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.Like(ctx, client, c, id)
}
func (s *authService) UnLike(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.UnLike(ctx, client, c, id)
}
func (s *authService) Retweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.Retweet(ctx, client, c, id)
}
func (s *authService) UnRetweet(ctx context.Context, client io.Writer, c *mastodon.Client, id string) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.UnRetweet(ctx, client, c, id)
}
func (s *authService) PostTweet(ctx context.Context, client io.Writer, c *mastodon.Client, content string, replyToID string) (err error) {
c, err = s.getClient(ctx)
if err != nil {
return
}
return s.Service.PostTweet(ctx, client, c, content, replyToID)
}
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