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97 lines
2.4 KiB
V
97 lines
2.4 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module os
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enum FileType {
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regular
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directory
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character_device
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block_device
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fifo
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symbolic_link
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socket
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}
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struct FilePermission {
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pub:
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read bool
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write bool
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execute bool
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}
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struct FileMode {
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pub:
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typ FileType
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owner FilePermission
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group FilePermission
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others FilePermission
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}
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// inode returns the mode of the file/inode containing inode type and permission information
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// it supports windows for regular files but it doesn't matter if you use owner, group or others when checking permissions on windows
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pub fn inode(path string) FileMode {
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mut attr := C.stat{}
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unsafe {
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C.stat(charptr(path.str), &attr)
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}
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mut typ := FileType.regular
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if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFDIR) {
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typ = .directory
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}
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$if !windows {
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if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFCHR) {
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typ = .character_device
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} else if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFBLK) {
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typ = .block_device
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} else if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFIFO) {
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typ = .fifo
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} else if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFLNK) {
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typ = .symbolic_link
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} else if attr.st_mode & u32(C.S_IFMT) == u32(C.S_IFSOCK) {
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typ = .socket
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}
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}
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$if windows {
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return FileMode{
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typ: typ
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owner: FilePermission{
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read: (attr.st_mode & u32(C.S_IREAD)) != 0
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write: (attr.st_mode & u32(C.S_IWRITE)) != 0
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execute: (attr.st_mode & u32(C.S_IEXEC)) != 0
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}
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group: FilePermission{
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read: (attr.st_mode & u32(C.S_IREAD)) != 0
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write: (attr.st_mode & u32(C.S_IWRITE)) != 0
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execute: (attr.st_mode & u32(C.S_IEXEC)) != 0
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}
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others: FilePermission{
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read: (attr.st_mode & u32(C.S_IREAD)) != 0
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write: (attr.st_mode & u32(C.S_IWRITE)) != 0
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execute: (attr.st_mode & u32(C.S_IEXEC)) != 0
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}
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}
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} $else {
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return FileMode{
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typ: typ
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owner: FilePermission{
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read: (attr.st_mode & u32(C.S_IRUSR)) != 0
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write: (attr.st_mode & u32(C.S_IWUSR)) != 0
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execute: (attr.st_mode & u32(C.S_IXUSR)) != 0
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}
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group: FilePermission{
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read: (attr.st_mode & u32(C.S_IRGRP)) != 0
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write: (attr.st_mode & u32(C.S_IWGRP)) != 0
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execute: (attr.st_mode & u32(C.S_IXGRP)) != 0
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}
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others: FilePermission{
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read: (attr.st_mode & u32(C.S_IROTH)) != 0
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write: (attr.st_mode & u32(C.S_IWOTH)) != 0
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execute: (attr.st_mode & u32(C.S_IXOTH)) != 0
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}
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}
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}
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}
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