func handleCls(c *Context, w http.ResponseWriter) error {
vars := mux.Vars(c.R)
bid, err := strconv.Atoi(vars["bid"])
if err != nil {
return err
}
children, err := ptt.GetBoardChildren(bid)
if err != nil {
return err
}
boards := make([]pttbbs.Board, 0, 16)
for _, bid := range children {
if brd, err := ptt.GetBoard(bid); err == nil {
if pttbbs.IsValidBrdName(brd.BrdName) && !brd.Over18 && !brd.Hidden {
boards = append(boards, brd)
}
}
}
return page.ExecutePage(w, &page.Classlist{
Boards: boards,
})
}
func internalError(w http.ResponseWriter, err error) {
log.Println(err)
w.WriteHeader(http.StatusInternalServerError)
page.ExecutePage(w, &page.Error{
Title: `500 - Internal Server Error`,
ContentHtml: `500 - Internal Server Error / Server Too Busy.`,
})
}
func handleManIndex(c *Context, w http.ResponseWriter, brd *pttbbs.Board, path string) error {
res, err := mand.List(context.TODO(), &bbspb.ListRequest{
BoardName: brd.BrdName,
Path: path,
}, grpc.FailFast(true))
if err != nil {
return translateMandError(err)
}
return page.ExecutePage(w, &page.ManIndex{
Board: *brd,
Path: path,
Entries: res.Entries,
})
}
func errorWrapperHandler(f func(*Context, http.ResponseWriter) error) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
setCommonResponseHeaders(w)
if err := clarifyRemoteError(handleRequest(w, r, f)); err != nil {
if pg, ok := err.(page.Page); ok {
if err = page.ExecutePage(w, pg); err != nil {
log.Println("Failed to emit error page:", err)
}
return
}
internalError(w, err)
}
}
}
func handleManArticle(c *Context, w http.ResponseWriter, brd *pttbbs.Board, path string) error {
obj, err := cacheMgr.Get(&ArticleRequest{
Namespace: "man",
Brd: *brd,
Filename: path,
Select: func(m pttbbs.SelectMethod, offset, maxlen int) (*pttbbs.ArticlePart, error) {
res, err := mand.Article(context.TODO(), &bbspb.ArticleRequest{
BoardName: brd.BrdName,
Path: path,
SelectType: manSelectType(m),
Offset: int64(offset),
MaxLength: int64(maxlen),
}, grpc.FailFast(true))
if err != nil {
return nil, translateMandError(err)
}
return &pttbbs.ArticlePart{
CacheKey: res.CacheKey,
FileSize: int(res.FileSize),
Offset: int(res.SelectedOffset),
Length: int(res.SelectedSize),
Content: res.Content,
}, nil
},
}, ZeroArticle, ArticleCacheTimeout, generateArticle)
if err != nil {
return err
}
ar := obj.(*Article)
if !ar.IsValid {
return NewNotFoundError(nil)
}
if len(ar.ContentHtml) > TruncateSize {
log.Println("Large rendered article:", brd.BrdName, path, len(ar.ContentHtml))
}
return page.ExecutePage(w, &page.ManArticle{
Title: ar.ParsedTitle,
Description: ar.PreviewContent,
Board: brd,
Path: path,
ContentHtml: string(ar.ContentHtml),
ContentTailHtml: string(ar.ContentTailHtml),
ContentTruncated: ar.IsTruncated,
})
}
func handleArticleCommon(c *Context, w http.ResponseWriter, brdname, filename string) error {
var err error
brd, err := getBoardByName(c, brdname)
if err != nil {
return err
}
// Render content
obj, err := cacheMgr.Get(&ArticleRequest{
Namespace: "bbs",
Brd: *brd,
Filename: filename,
Select: func(m pttbbs.SelectMethod, offset, maxlen int) (*pttbbs.ArticlePart, error) {
return ptt.GetArticleSelect(brd.Bid, m, filename, "", offset, maxlen)
},
}, ZeroArticle, ArticleCacheTimeout, generateArticle)
// Try older filename when not found.
if err == pttbbs.ErrNotFound {
if name, ok := oldFilename(filename); ok {
if handleArticleCommon(c, w, brdname, name) == nil {
return nil
}
}
}
if err != nil {
return err
}
ar := obj.(*Article)
if !ar.IsValid {
return NewNotFoundError(nil)
}
if len(ar.ContentHtml) > TruncateSize {
log.Println("Large rendered article:", brd.BrdName, filename, len(ar.ContentHtml))
}
return page.ExecutePage(w, &page.BbsArticle{
Title: ar.ParsedTitle,
Description: ar.PreviewContent,
Board: brd,
FileName: filename,
ContentHtml: string(ar.ContentHtml),
ContentTailHtml: string(ar.ContentTailHtml),
ContentTruncated: ar.IsTruncated,
})
}
func handleAskOver18(c *Context, w http.ResponseWriter) error {
from := c.R.FormValue("from")
if from == "" || !isSafeRedirectURI(from) {
from = "/"
}
if c.R.Method == "POST" {
if c.R.PostFormValue("yes") != "" {
setOver18Cookie(w)
w.Header().Set("Location", from)
} else {
w.Header().Set("Location", "/")
}
w.WriteHeader(http.StatusFound)
return nil
} else {
return page.ExecutePage(w, &page.AskOver18{
From: from,
})
}
}
func handleClsWithBid(c *Context, w http.ResponseWriter, bid int) error {
if bid < 1 {
return NewNotFoundError(fmt.Errorf("invalid bid: %v", bid))
}
children, err := ptt.GetBoardChildren(bid)
if err != nil {
return err
}
boards := make([]pttbbs.Board, 0, 16)
for _, bid := range children {
if brd, err := ptt.GetBoard(bid); err == nil {
if pttbbs.IsValidBrdName(brd.BrdName) && !brd.Over18 && !brd.Hidden {
boards = append(boards, brd)
}
}
}
return page.ExecutePage(w, &page.Classlist{
Boards: boards,
})
}
func handleBbs(c *Context, w http.ResponseWriter) error {
vars := mux.Vars(c.R)
brdname := vars["brdname"]
// Note: TODO move timeout into the generating function.
// We don't know if it is the last page without entry count.
pageNo := 0
timeout := BbsIndexLastPageCacheTimeout
if pg, err := strconv.Atoi(vars["page"]); err == nil {
pageNo = pg
timeout = BbsIndexCacheTimeout
}
var err error
brd, err := getBoardByName(c, brdname)
if err != nil {
return err
}
obj, err := cacheMgr.Get(&BbsIndexRequest{
Brd: *brd,
Page: pageNo,
}, ZeroBbsIndex, timeout, generateBbsIndex)
if err != nil {
return err
}
bbsindex := obj.(*BbsIndex)
if !bbsindex.IsValid {
return NewNotFoundError(fmt.Errorf("not a valid cache.BbsIndex: %v/%v", brd.BrdName, pageNo))
}
return page.ExecutePage(w, (*page.BbsIndex)(bbsindex))
}
func handleArticleCommon(c *Context, w http.ResponseWriter, brdname, filename string) error {
var err error
brd, err := getBoardByName(c, brdname)
if err != nil {
return err
}
// Render content
obj, err := cacheMgr.Get(&ArticleRequest{
Brd: *brd,
Filename: filename,
}, ZeroArticle, ArticleCacheTimeout, generateArticle)
if err != nil {
return err
}
ar := obj.(*Article)
if !ar.IsValid {
return NewNotFoundError(nil)
}
if len(ar.ContentHtml) > TruncateSize {
log.Println("Large rendered article:", brd.BrdName, filename, len(ar.ContentHtml))
}
return page.ExecutePage(w, &page.BbsArticle{
Title: ar.ParsedTitle,
Description: ar.PreviewContent,
Board: brd,
FileName: filename,
ContentHtml: string(ar.ContentHtml),
ContentTailHtml: string(ar.ContentTailHtml),
ContentTruncated: ar.IsTruncated,
})
}