func (f *FileFilter) FilterRequest(req *falcore.Request) (res *http.Response) {
// Clean asset path
asset_path := filepath.Clean(filepath.FromSlash(req.HttpRequest.URL.Path))
// Resolve PathPrefix
if strings.HasPrefix(asset_path, f.PathPrefix) {
asset_path = asset_path[len(f.PathPrefix):]
} else {
// The requested path doesn't fall into the scope of paths that are supposed to be handled by this filter
return
}
// Resolve FSBase
if f.BasePath != "" {
asset_path = filepath.Join(f.BasePath, asset_path)
} else {
falcore.Error("file_filter requires a BasePath")
return falcore.StringResponse(req.HttpRequest, 500, nil, "Server Error\n")
}
// Open File
if file, err := os.Open(asset_path); err == nil {
// If it's a directory, try opening the directory index
if stat, err := file.Stat(); f.DirectoryIndex != "" && err == nil && stat.Mode()&os.ModeDir > 0 {
file.Close()
asset_path = filepath.Join(asset_path, f.DirectoryIndex)
if file, err = os.Open(asset_path); err != nil {
return
}
}
// Make sure it's an actual file
if stat, err := file.Stat(); err == nil && stat.Mode()&os.ModeType == 0 {
res = &http.Response{
Request: req.HttpRequest,
StatusCode: 200,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Body: file,
Header: make(http.Header),
ContentLength: stat.Size(),
}
if ct := mime.TypeByExtension(filepath.Ext(asset_path)); ct != "" {
res.Header.Set("Content-Type", ct)
}
} else {
file.Close()
}
} else {
falcore.Finest("Can't open %v: %v", asset_path, err)
}
return
}
func (f *FileFilter) FilterRequest(req *falcore.Request) (res *http.Response) {
// Clean asset path
asset_path := filepath.Clean(filepath.FromSlash(req.HttpRequest.URL.Path))
// Resolve PathPrefix
if strings.HasPrefix(asset_path, f.PathPrefix) {
asset_path = asset_path[len(f.PathPrefix):]
} else {
falcore.Debug("%v doesn't match prefix %v", asset_path, f.PathPrefix)
res = falcore.StringResponse(req.HttpRequest, 404, nil, "Not found.")
return
}
// Resolve FSBase
if f.BasePath != "" {
asset_path = filepath.Join(f.BasePath, asset_path)
} else {
falcore.Error("file_filter requires a BasePath")
return falcore.StringResponse(req.HttpRequest, 500, nil, "Server Error\n")
}
// Open File
if file, err := os.Open(asset_path); err == nil {
// Make sure it's an actual file
if stat, err := file.Stat(); err == nil && stat.Mode()&os.ModeType == 0 {
res = &http.Response{
Request: req.HttpRequest,
StatusCode: 200,
Proto: "HTTP/1.1",
ProtoMajor: 1,
ProtoMinor: 1,
Body: file,
Header: make(http.Header),
ContentLength: stat.Size(),
}
if ct := mime.TypeByExtension(filepath.Ext(asset_path)); ct != "" {
res.Header.Set("Content-Type", ct)
}
} else {
file.Close()
}
} else {
falcore.Finest("Can't open %v: %v", asset_path, err)
}
return
}