func (d *Data) renderLowLevel(dst string, src string, prefix string, r io.Reader) error {
var err error
// Determine the filename and whether we're dealing with a template
var tpl *pongo2.Template = nil
filename := src
if strings.HasSuffix(filename, ".tpl") {
var buf bytes.Buffer
if _, err := io.Copy(&buf, r); err != nil {
return err
}
base := filepath.Dir(filename)
if prefix != "" {
base = filepath.Join(prefix, base)
}
// Create the template set so we can control loading
tplSet := pongo2.NewSet("otto", &tplLoader{
Data: d,
Base: base,
})
// Parse the template
dst = strings.TrimSuffix(dst, ".tpl")
tpl, err = tplSet.FromString(buf.String())
if err != nil {
return err
}
}
// Make the directory containing the final path.
dir := filepath.Dir(dst)
if err := os.MkdirAll(dir, 0755); err != nil {
return err
}
// Create the file itself
f, err := os.Create(dst)
if err != nil {
return err
}
defer f.Close()
// If it isn't a template, do a direct byte copy
if tpl == nil {
_, err = io.Copy(f, r)
return err
}
return tpl.ExecuteWriter(d.Context, f)
}
func renderTemplate(tpl *pongo2.Template, context pongo2.Context, r *http.Request, writer io.Writer) error {
if Config.siteName == "" {
parts := strings.Split(r.Host, ":")
context["sitename"] = parts[0]
} else {
context["sitename"] = Config.siteName
}
context["sitepath"] = Config.sitePath
context["using_auth"] = Config.authFile != ""
return tpl.ExecuteWriter(context, writer)
}
func (p *pongoRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
file := data[0].(string)
ctx := data[1].(pongo2.Context)
var t *pongo2.Template
if tmpl, ok := p.cache[file]; ok {
t = tmpl
} else {
tmpl, err := pongo2.FromFile(file)
if err != nil {
return err
}
p.cache[file] = tmpl
t = tmpl
}
writeHeader(w, code, "text/html")
return t.ExecuteWriter(ctx, w)
}
func (p *Render) Render(w http.ResponseWriter, code int, data ...interface{}) error {
file := "templates/" + data[0].(string)
ctx := data[1].(pongo2.Context)
var t *pongo2.Template
if tmpl, ok := p.cache[file]; ok {
t = tmpl
} else {
if options.Debug {
tmpl, err := pongo2.FromFile(file)
if err != nil {
return err
}
t = tmpl
} else {
buff, err := server.Asset(file)
if err == nil {
tmpl, err := pongo2.FromString(string(buff))
if err != nil {
return err
}
t = tmpl
} else {
tmpl, err := pongo2.FromFile(file)
if err != nil {
return err
}
t = tmpl
}
}
p.cache[file] = t
}
writeHeader(w, code, "text/html")
return t.ExecuteWriter(ctx, w)
}
func fileDisplayHandler(c web.C, w http.ResponseWriter, r *http.Request) {
fileName := c.URLParams["name"]
filePath := path.Join(Config.filesDir, fileName)
err := checkFile(fileName)
if err == NotFoundErr {
notFoundHandler(c, w, r)
return
}
metadata, err := metadataRead(fileName)
if err != nil {
oopsHandler(c, w, r, RespAUTO, "Corrupt metadata.")
return
}
var expiryHuman string
if metadata.Expiry != neverExpire {
expiryHuman = humanize.RelTime(time.Now(), metadata.Expiry, "", "")
}
sizeHuman := humanize.Bytes(uint64(metadata.Size))
extra := make(map[string]string)
file, _ := os.Open(filePath)
defer file.Close()
header := make([]byte, 512)
file.Read(header)
extension := strings.TrimPrefix(filepath.Ext(fileName), ".")
if strings.EqualFold("application/json", r.Header.Get("Accept")) {
js, _ := json.Marshal(map[string]string{
"filename": fileName,
"expiry": strconv.FormatInt(metadata.Expiry.Unix(), 10),
"size": strconv.FormatInt(metadata.Size, 10),
"mimetype": metadata.Mimetype,
"sha256sum": metadata.Sha256sum,
})
w.Write(js)
return
}
var tpl *pongo2.Template
if strings.HasPrefix(metadata.Mimetype, "image/") {
tpl = Templates["display/image.html"]
} else if strings.HasPrefix(metadata.Mimetype, "video/") {
tpl = Templates["display/video.html"]
} else if strings.HasPrefix(metadata.Mimetype, "audio/") {
tpl = Templates["display/audio.html"]
} else if metadata.Mimetype == "application/pdf" {
tpl = Templates["display/pdf.html"]
} else if supportedBinExtension(extension) {
if metadata.Size < maxDisplayFileSizeBytes {
bytes, err := ioutil.ReadFile(filePath)
if err == nil {
extra["extension"] = extension
extra["lang_hl"], extra["lang_ace"] = extensionToHlAndAceLangs(extension)
extra["contents"] = string(bytes)
tpl = Templates["display/bin.html"]
}
}
} else if extension == "md" {
if metadata.Size < maxDisplayFileSizeBytes {
bytes, err := ioutil.ReadFile(filePath)
if err == nil {
unsafe := blackfriday.MarkdownCommon(bytes)
html := bluemonday.UGCPolicy().SanitizeBytes(unsafe)
extra["contents"] = string(html)
tpl = Templates["display/md.html"]
}
}
}
// Catch other files
if tpl == nil {
tpl = Templates["display/file.html"]
}
err = tpl.ExecuteWriter(pongo2.Context{
"mime": metadata.Mimetype,
"filename": fileName,
"size": sizeHuman,
"expiry": expiryHuman,
"extra": extra,
"files": metadata.ArchiveFiles,
}, w)
if err != nil {
oopsHandler(c, w, r, RespHTML, "")
}
}
func fileDisplayHandler(c web.C, w http.ResponseWriter, r *http.Request) {
fileName := c.URLParams["name"]
filePath := path.Join(Config.filesDir, fileName)
fileInfo, err := os.Stat(filePath)
if !fileExistsAndNotExpired(fileName) {
notFoundHandler(c, w, r)
return
}
expiry, _ := metadataGetExpiry(fileName)
var expiryHuman string
if !expiry.IsZero() {
expiryHuman = humanize.RelTime(time.Now(), expiry, "", "")
}
sizeHuman := humanize.Bytes(uint64(fileInfo.Size()))
extra := make(map[string]string)
file, _ := os.Open(filePath)
header := make([]byte, 512)
file.Read(header)
file.Close()
mimetype := mimemagic.Match("", header)
extension := strings.TrimPrefix(filepath.Ext(fileName), ".")
if strings.EqualFold("application/json", r.Header.Get("Accept")) {
js, _ := json.Marshal(map[string]string{
"filename": fileName,
"mimetype": mimetype,
"expiry": strconv.FormatInt(expiry.Unix(), 10),
"size": strconv.FormatInt(fileInfo.Size(), 10),
})
w.Write(js)
return
}
var tpl *pongo2.Template
if strings.HasPrefix(mimetype, "image/") {
tpl = Templates["display/image.html"]
} else if strings.HasPrefix(mimetype, "video/") {
tpl = Templates["display/video.html"]
} else if strings.HasPrefix(mimetype, "audio/") {
tpl = Templates["display/audio.html"]
} else if mimetype == "application/pdf" {
tpl = Templates["display/pdf.html"]
} else if supportedBinExtension(extension) {
if fileInfo.Size() < maxDisplayFileSizeBytes {
bytes, err := ioutil.ReadFile(filePath)
if err != nil {
tpl = Templates["display/file.html"]
} else {
extra["extension"] = extension
extra["lang_hl"], extra["lang_ace"] = extensionToHlAndAceLangs(extension)
extra["contents"] = string(bytes)
tpl = Templates["display/bin.html"]
}
} else {
tpl = Templates["display/file.html"]
}
} else {
tpl = Templates["display/file.html"]
}
err = tpl.ExecuteWriter(pongo2.Context{
"mime": mimetype,
"filename": fileName,
"size": sizeHuman,
"expiry": expiryHuman,
"extra": extra,
}, w)
if err != nil {
oopsHandler(c, w, r, RespHTML, "")
}
}
func RenderTemplate(t *pongo2.Template, w io.Writer, data interface{}) error {
return t.ExecuteWriter(pongo2.Context{"v": data}.Update(baseContext), w)
}