git.r.bdr.sh - rbdr/mobius/blob - hotline/access.go

   1 package hotline
   2
   3 import (
   4         "encoding/binary"
   5         "math/big"
   6 )
   7
   8 const (
   9         // File System Maintenance
  10         accessDeleteFile   = 0
  11         accessUploadFile   = 1
  12         accessDownloadFile = 2 // Can Download Files
  13         accessRenameFile   = 3
  14         accessMoveFile     = 4
  15         accessCreateFolder = 5
  16         accessDeleteFolder = 6
  17         accessRenameFolder = 7
  18         accessMoveFolder   = 8
  19         accessReadChat     = 9
  20         accessSendChat     = 10
  21         accessOpenChat     = 11
  22         // accessCloseChat        = 12 // Documented but unused?
  23         // accessShowInList       = 13 // Documented but unused?
  24         accessCreateUser = 14
  25         accessDeleteUser = 15
  26         accessOpenUser   = 16
  27         accessModifyUser = 17
  28         // accessChangeOwnPass    = 18 // Documented but unused?
  29         // accessSendPrivMsg      = 19 // This doesn't do what it seems like it should do. TODO: Investigate
  30         accessNewsReadArt    = 20
  31         accessNewsPostArt    = 21
  32         accessDisconUser     = 22 // Toggles red user name in user list
  33         accessCannotBeDiscon = 23
  34         accessGetClientInfo  = 24
  35         accessUploadAnywhere = 25
  36         // accessAnyName          = 26
  37         // accessNoAgreement      = 27
  38         accessSetFileComment   = 28
  39         accessSetFolderComment = 29
  40         accessViewDropBoxes    = 30
  41         accessMakeAlias        = 31
  42         accessBroadcast        = 32
  43         accessNewsDeleteArt    = 33
  44         accessNewsCreateCat    = 34
  45         // accessNewsDeleteCat    = 35
  46         accessNewsCreateFldr = 36
  47         // accessNewsDeleteFldr   = 37
  48 )
  49
  50 type accessBitmap [8]byte
  51
  52 func (bits *accessBitmap) Set(i int) {
  53         bits[i/8] |= 1 << uint(7-i%8)
  54 }
  55
  56 // authorize checks if 64 bit access slice contain has accessBit set
  57 // TODO: refactor to use accessBitmap type
  58 func authorize(access *[]byte, accessBit int) bool {
  59         bits := big.NewInt(int64(binary.BigEndian.Uint64(*access)))
  60
  61         return bits.Bit(63-accessBit) == 1
  62 }