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package static
import (
"fmt"
"github.com/spiral/roadrunner/service"
"os"
"path"
"strings"
)
// Config describes file location and controls access to them.
type Config struct {
// Enables StaticFile service.
Enable bool
// Dir contains name of directory to control access to.
Dir string
// Forbid specifies list of file extensions which are forbidden for access.
// Example: .php, .exe, .bat, .htaccess and etc.
Forbid []string
}
// Hydrate must populate Config values using given Config source. Must return error if Config is not valid.
func (c *Config) Hydrate(cfg service.Config) error {
if err := cfg.Unmarshal(c); err != nil {
return err
}
return c.Valid()
}
// Valid returns nil if config is valid.
func (c *Config) Valid() error {
if !c.Enable {
return nil
}
st, err := os.Stat(c.Dir)
if err != nil {
if os.IsNotExist(err) {
return fmt.Errorf("root directory '%s' does not exists", c.Dir)
}
return err
}
if !st.IsDir() {
return fmt.Errorf("invalid root directory '%s'", c.Dir)
}
return nil
}
// Forbids must return true if file extension is not allowed for the upload.
func (c *Config) Forbids(filename string) bool {
ext := strings.ToLower(path.Ext(filename))
for _, v := range c.Forbid {
if ext == v {
return true
}
}
return false
}
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