//MakeBody makes a dat body(message) line after stamp.
func MakeBody(rec *record.Record, host, board string, table *mch.ResTable) string {
body := rec.GetBodyValue("body", "")
body += rec.MakeAttachLink(host)
body = table.MakeRSSAnchor(body)
body = MakeBracketLink(body, host, board, table)
return body
}
//renderAttach render the content of attach file with content-type=typ.
func (t *threadCGI) renderAttach(rec *record.Record, suffix string, stamp int64, thumbnailSize string) {
attachFile := rec.AttachPath(thumbnailSize)
if attachFile == "" {
return
}
typ := mime.TypeByExtension("." + suffix)
if typ == "" {
typ = "text/plain"
}
t.WR.Header().Set("Content-Type", typ)
t.WR.Header().Set("Last-Modified", t.RFC822Time(stamp))
if !util.IsValidImage(typ, attachFile) {
t.WR.Header().Set("Content-Disposition", "attachment")
}
decoded, err := base64.StdEncoding.DecodeString(rec.GetBodyValue("attach", ""))
if err != nil {
log.Println(err)
t.Print404(nil, "")
return
}
if thumbnailSize != "" && (cfg.ForceThumbnail || thumbnailSize == cfg.DefaultThumbnailSize) {
decoded = util.MakeThumbnail(decoded, suffix, thumbnailSize)
}
_, err = t.WR.Write(decoded)
if err != nil {
log.Println(err)
t.Print404(nil, "")
}
}
//doUpdateNode broadcast and get data for each new records.
//if can get data (even if spam) return true, if fails to get, return false.
//if no fail, broadcast updates to node in cache and added n to nodelist and searchlist.
func doUpdateNode(rec *record.Record, n *node.Node) bool {
mutex.Lock()
deleteOldUpdated()
if _, exist := updated[rec.Hash()]; exist {
log.Println("already broadcasted", rec.ID)
mutex.Unlock()
return true
}
updated[rec.Hash()] = time.Now()
mutex.Unlock()
ca := thread.NewCache(rec.Datfile)
var err error
if !ca.Exists() || n == nil {
log.Println("no cache or updates by myself, broadcast updates.")
UpdatedRecord.register(rec.Head)
manager.TellUpdate(ca.Datfile, rec.Stamp, rec.ID, n)
if UpdatedRecord.wait() || n != nil {
log.Println(rec.ID, "was gotten or don't have the record")
} else {
log.Println(rec.ID, "was NOT gotten, will call updates later")
go func() {
time.Sleep(10 * time.Minute)
UpdateNodes(rec, n)
}()
}
return true
}
log.Println("cache exists. get record from node n.")
err = rec.GetData(n)
switch err {
case cfg.ErrGet:
log.Println("could not get")
return false
case cfg.ErrSpam:
log.Println("marked spam")
return true
default:
log.Println("telling update")
manager.TellUpdate(ca.Datfile, rec.Stamp, rec.ID, nil)
manager.Join(n)
return true
}
}
//printRecord renders record.txt , with records in cache ca.
func (t *threadCGI) printRecord(ca *thread.Cache, rec *record.Record) {
thumbnailSize := ""
var suffix string
var attachSize int64
if at := rec.GetBodyValue("attach", ""); at != "" {
suffix = rec.GetBodyValue("suffix", "")
attachFile := rec.AttachPath("")
attachSize = int64(len(at)*57/78) + 1000
reg := regexp.MustCompile("^[0-9A-Za-z]+")
if !reg.MatchString(suffix) {
suffix = cfg.SuffixTXT
}
typ := mime.TypeByExtension("." + suffix)
if typ == "" {
typ = "text/plain"
}
if util.IsValidImage(typ, attachFile) {
thumbnailSize = cfg.DefaultThumbnailSize
}
}
body := rec.GetBodyValue("body", "")
body = t.HTMLFormat(body, cfg.ThreadURL, t.Path(), false)
removeID := rec.GetBodyValue("remove_id", "")
if len(removeID) > 8 {
removeID = removeID[:8]
}
resAnchor := t.ResAnchor(removeID, cfg.ThreadURL, t.Path(), false)
id8 := rec.ID
if len(id8) > 8 {
id8 = id8[:8]
}
s := struct {
Datfile string
Rec *record.Record
RecHead record.Head
Sid string
AttachSize int64
Suffix string
Body template.HTML
Thumbnail string
RemoveID string
ResAnchor string
cgi.Defaults
}{
ca.Datfile,
rec,
rec.CopyHead(),
id8,
attachSize,
suffix,
template.HTML(body),
thumbnailSize,
removeID,
resAnchor,
*t.Defaults(),
}
cgi.RenderTemplate("record", s, t.WR)
}
