git.r.bdr.sh - rbdr/mobius/blob - field.go

   1 package hotline
   2
   3 import (
   4         "encoding/binary"
   5         "github.com/jhalter/mobius/concat"
   6 )
   7
   8 const fieldError = 100
   9 const fieldData = 101
  10 const fieldUserName = 102
  11 const fieldUserID = 103
  12 const fieldUserIconID = 104
  13 const fieldUserLogin = 105
  14 const fieldUserPassword = 106
  15 const fieldRefNum = 107
  16 const fieldTransferSize = 108
  17 const fieldChatOptions = 109
  18 const fieldUserAccess = 110
  19 const fieldUserAlias = 111
  20 const fieldUserFlags = 112
  21 const fieldOptions = 113
  22 const fieldChatID = 114
  23 const fieldChatSubject = 115
  24 const fieldWaitingCount = 116
  25 const fieldVersion = 160
  26 const fieldCommunityBannerID = 161
  27 const fieldServerName = 162
  28 const fieldFileNameWithInfo = 200
  29 const fieldFileName = 201
  30 const fieldFilePath = 202
  31 const fieldFileTypeString = 205
  32 const fieldFileCreatorString = 206
  33 const fieldFileSize = 207
  34 const fieldFileCreateDate = 208
  35 const fieldFileModifyDate = 209
  36 const fieldFileComment = 210
  37 const fieldFileNewName = 211
  38 const fieldFileNewPath = 212
  39 const fieldFileType = 213
  40 const fieldQuotingMsg = 214 // Defined but unused in the Hotline Protocol spec
  41 const fieldAutomaticResponse = 215
  42 const fieldFolderItemCount = 220
  43 const fieldUsernameWithInfo = 300
  44 const fieldNewsArtListData = 321
  45 const fieldNewsCatName = 322
  46 const fieldNewsCatListData15 = 323
  47 const fieldNewsPath = 325
  48 const fieldNewsArtID = 326
  49 const fieldNewsArtDataFlav = 327
  50 const fieldNewsArtTitle = 328
  51 const fieldNewsArtPoster = 329
  52 const fieldNewsArtDate = 330
  53 const fieldNewsArtPrevArt = 331
  54 const fieldNewsArtNextArt = 332
  55 const fieldNewsArtData = 333
  56 const fieldNewsArtFlags = 334
  57 const fieldNewsArtParentArt = 335
  58 const fieldNewsArt1stChildArt = 336
  59 const fieldNewsArtRecurseDel = 337
  60
  61 type Field struct {
  62         ID        []byte // Type of field
  63         FieldSize []byte // Size of the data part
  64         Data      []byte // Actual field content
  65 }
  66
  67 type requiredField struct {
  68         ID     int
  69         minLen int
  70         maxLen int
  71 }
  72
  73 func NewField(id uint16, data []byte) Field {
  74         idBytes := make([]byte, 2)
  75         binary.BigEndian.PutUint16(idBytes, id)
  76
  77         bs := make([]byte, 2)
  78         binary.BigEndian.PutUint16(bs, uint16(len(data)))
  79
  80         return Field{
  81                 ID:        idBytes,
  82                 FieldSize: bs,
  83                 Data:      data,
  84         }
  85 }
  86
  87 func (f Field) Payload() []byte {
  88         return concat.Slices(f.ID, f.FieldSize, f.Data)
  89 }
  90
  91 type FileNameWithInfo struct {
  92         Type       string // file type code
  93         Creator    []byte // File creator code
  94         FileSize   uint32 // File Size in bytes
  95         NameScript []byte // TODO: What is this?
  96         NameSize   []byte // Length of name field
  97         Name       string // File name
  98 }
  99
 100 func (f FileNameWithInfo) Payload() []byte {
 101         name := []byte(f.Name)
 102         nameSize := make([]byte, 2)
 103         binary.BigEndian.PutUint16(nameSize, uint16(len(name)))
 104
 105         kb := f.FileSize
 106
 107         fSize := make([]byte, 4)
 108         binary.BigEndian.PutUint32(fSize, kb)
 109
 110         return concat.Slices(
 111                 []byte(f.Type),
 112                 f.Creator,
 113                 fSize,
 114                 []byte{0, 0, 0, 0},
 115                 f.NameScript,
 116                 nameSize,
 117                 []byte(f.Name),
 118         )
 119
 120 }