Implement NEWNEWS command

This commit is contained in:
ChronosX88 2022-02-05 18:42:23 +03:00
parent 5981fd1415
commit e6f8e39a8e
Signed by: ChronosXYZ
GPG Key ID: 085A69A82C8C511A
5 changed files with 58 additions and 2 deletions

View File

@ -43,11 +43,11 @@
- :heavy_check_mark: `LIST NEWSGROUPS`
- :x: `LIST ACTIVE.TIMES`
- :x: `LIST DISTRIB.PATS`
- :construction: Information Commands
- :heavy_check_mark: Information Commands
- :heavy_check_mark: `DATE`
- :heavy_check_mark: `HELP`
- :heavy_check_mark: `NEWGROUPS`
- :x: `NEWNEWS`
- :heavy_check_mark: `NEWNEWS`
## License

View File

@ -168,3 +168,8 @@ func (sb *SQLiteBackend) GetArticleNumbers(g *models.Group, low, high int64) ([]
return numbers, nil
}
func (sb *SQLiteBackend) GetNewArticlesSince(timestamp int64) ([]string, error) {
var articleIds []string
return articleIds, sb.db.Select(&articleIds, "SELECT json_extract(articles.header, '$.Message-Id[0]') FROM articles WHERE created_at > datetime(?, 'unixepoch')", timestamp)
}

View File

@ -18,4 +18,5 @@ type StorageBackend interface {
GetArticle(messageID string) (models.Article, error)
GetArticleByNumber(g *models.Group, num int) (models.Article, error)
GetArticleNumbers(g *models.Group, low, high int64) ([]int64, error)
GetNewArticlesSince(timestamp int64) ([]string, error)
}

View File

@ -61,6 +61,7 @@ const (
CommandBody = "BODY"
CommandStat = "STAT"
CommandHelp = "HELP"
CommandNewNews = "NEWNEWS"
)
const (

View File

@ -41,6 +41,7 @@ func NewHandler(b backend.StorageBackend, serverDomain string) *Handler {
protocol.CommandBody: h.handleArticle,
protocol.CommandStat: h.handleArticle,
protocol.CommandHelp: h.handleHelp,
protocol.CommandNewNews: h.handleNewNews,
}
h.serverDomain = serverDomain
return h
@ -530,6 +531,7 @@ func (h *Handler) handleHelp(s *Session, command string, arguments []string, id
" LISTGROUP [newsgroup [range]]\r\n" +
" MODE READER\r\n" +
" NEWGROUPS [yy]yymmdd hhmmss [GMT]\r\n" +
" NEWNEWS [yy]yymmdd hhmmss [GMT]\r\n" +
" NEXT\r\n" +
" POST\r\n" +
" QUIT\r\n" +
@ -556,6 +558,53 @@ func (h *Handler) handleHelp(s *Session, command string, arguments []string, id
return dw.Close()
}
func (h *Handler) handleNewNews(s *Session, command string, arguments []string, id uint) error {
s.tconn.StartResponse(id)
defer s.tconn.EndResponse(id)
if len(arguments) < 2 || len(arguments) > 3 {
return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
}
dateString := arguments[0] + " " + arguments[1]
var date time.Time
var err error
if len(dateString) == 15 {
date, err = time.Parse("20060102 150405", dateString)
if err != nil {
return err
}
} else if len(dateString) == 13 {
date, err = time.Parse("060102 150405", dateString)
if err != nil {
return err
}
} else {
return s.tconn.PrintfLine(protocol.ErrSyntaxError.String())
}
a, err := h.backend.GetNewArticlesSince(date.Unix())
if err != nil {
return err
}
dw := s.tconn.DotWriter()
_, err = dw.Write([]byte(protocol.NNTPResponse{Code: 230, Message: "list of new articles by message-id follows"}.String() + protocol.CRLF))
if err != nil {
return err
}
for _, v := range a {
_, err = dw.Write([]byte(v + protocol.CRLF))
if err != nil {
return err
}
}
return dw.Close()
}
func (h *Handler) Handle(s *Session, message string, id uint) error {
splittedMessage := strings.Split(message, " ")
for i, v := range splittedMessage {