// IsExecutable check if file is executable or not
func IsExecutable(path string) bool {
if path == "" {
return false
}
path = PATH.Clean(path)
var stat = &syscall.Stat_t{}
err := syscall.Stat(path, stat)
if err != nil {
return false
}
user, err := system.CurrentUser()
if err != nil {
return false
}
return isExecutableStat(stat, user.UID, getGIDList(user))
}
// CheckPerms check many props at once.
//
// F - is file
// D - is directory
// X - is executable
// L - is link
// W - is writable
// R - is readable
// S - not empty (only for files)
//
func CheckPerms(props, path string) bool {
if len(props) == 0 || path == "" {
return false
}
path = PATH.Clean(path)
props = strings.ToUpper(props)
var stat = &syscall.Stat_t{}
err := syscall.Stat(path, stat)
if err != nil {
return false
}
var user *system.User
for _, k := range props {
switch k {
case 'F':
if stat.Mode&_IFMT != _IFREG {
return false
}
case 'D':
if stat.Mode&_IFMT != _IFDIR {
return false
}
case 'L':
if stat.Mode&_IFMT != _IFLNK {
return false
}
case 'X':
if user == nil {
user, err = system.CurrentUser()
if err != nil {
return false
}
}
if !isExecutableStat(stat, user.UID, getGIDList(user)) {
return false
}
case 'W':
if user == nil {
user, err = system.CurrentUser()
if err != nil {
return false
}
}
if !isWritableStat(stat, user.UID, getGIDList(user)) {
return false
}
case 'R':
if user == nil {
user, err = system.CurrentUser()
if err != nil {
return false
}
}
if !isReadableStat(stat, user.UID, getGIDList(user)) {
return false
}
case 'S':
if stat.Size == 0 {
return false
}
}
}
return true
}