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static.go
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static.go
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package clib
import (
"net/http"
"strings"
"projectforge.dev/projectforge/app/controller/cutil"
"projectforge.dev/projectforge/assets"
)
func Favicon(w http.ResponseWriter, _ *http.Request) {
e, err := assets.Embed("favicon.ico")
assetResponse(w, e, err)
}
func RobotsTxt(w http.ResponseWriter, _ *http.Request) {
e, err := assets.Embed("robots.txt")
assetResponse(w, e, err)
}
func Static(w http.ResponseWriter, r *http.Request) {
p := strings.TrimPrefix(r.URL.Path, "/assets")
p = strings.TrimPrefix(p, "/")
if strings.Contains(p, "../") {
w.WriteHeader(http.StatusNotFound)
_, _ = w.Write([]byte("invalid path"))
} else {
e, err := assets.Embed(p)
assetResponse(w, e, err)
}
}
func assetResponse(w http.ResponseWriter, e *assets.Entry, err error) {
if err == nil {
w.Header().Set(cutil.HeaderContentType, e.Mime)
w.Header().Set(cutil.HeaderCacheControl, "public, max-age=3600")
w.WriteHeader(http.StatusOK)
cutil.WriteCORS(w)
_, _ = w.Write(e.Bytes)
} else {
w.WriteHeader(http.StatusNotFound)
_, _ = w.Write([]byte(err.Error()))
}
}