65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package storage
|
|
|
|
import (
|
|
"path"
|
|
"sort"
|
|
"strings"
|
|
)
|
|
|
|
const stateFileName = ".distributor.json"
|
|
|
|
func ValidatePath(value string) error {
|
|
if value == "" {
|
|
return NewError(OpValidatePath, "", value, ErrInvalidPath, nil)
|
|
}
|
|
return validateLogicalPath(value)
|
|
}
|
|
|
|
func ValidatePrefix(value string) error {
|
|
if value == "" {
|
|
return nil
|
|
}
|
|
return validateLogicalPath(value)
|
|
}
|
|
|
|
func Join(base, child string) (string, error) {
|
|
if err := ValidatePrefix(base); err != nil {
|
|
return "", err
|
|
}
|
|
if err := ValidatePath(child); err != nil {
|
|
return "", err
|
|
}
|
|
if base == "" {
|
|
return child, nil
|
|
}
|
|
return base + "/" + child, nil
|
|
}
|
|
|
|
func StatePath(bundlePath string) (string, error) {
|
|
if bundlePath == "" {
|
|
return stateFileName, nil
|
|
}
|
|
return Join(bundlePath, stateFileName)
|
|
}
|
|
|
|
func SortEntries(entries []Entry) {
|
|
sort.Slice(entries, func(i, j int) bool {
|
|
return entries[i].Path < entries[j].Path
|
|
})
|
|
}
|
|
|
|
func validateLogicalPath(value string) error {
|
|
if strings.Contains(value, "\\") || strings.HasPrefix(value, "/") {
|
|
return NewError(OpValidatePath, "", value, ErrInvalidPath, nil)
|
|
}
|
|
if path.Clean(value) != value {
|
|
return NewError(OpValidatePath, "", value, ErrInvalidPath, nil)
|
|
}
|
|
for _, segment := range strings.Split(value, "/") {
|
|
if segment == "" || segment == "." || segment == ".." {
|
|
return NewError(OpValidatePath, "", value, ErrInvalidPath, nil)
|
|
}
|
|
}
|
|
return nil
|
|
}
|