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

   1 package hotline
   2
   3 import (
   4         "encoding/binary"
   5         "slices"
   6 )
   7
   8 // List of Hotline protocol field types taken from the official 1.9 protocol document
   9 const (
  10         FieldError               = 100
  11         FieldData                = 101
  12         FieldUserName            = 102
  13         FieldUserID              = 103
  14         FieldUserIconID          = 104
  15         FieldUserLogin           = 105
  16         FieldUserPassword        = 106
  17         FieldRefNum              = 107
  18         FieldTransferSize        = 108
  19         FieldChatOptions         = 109
  20         FieldUserAccess          = 110
  21         FieldUserAlias           = 111 // TODO: implement
  22         FieldUserFlags           = 112
  23         FieldOptions             = 113
  24         FieldChatID              = 114
  25         FieldChatSubject         = 115
  26         FieldWaitingCount        = 116
  27         FieldBannerType          = 152
  28         FieldNoServerAgreement   = 152
  29         FieldVersion             = 160
  30         FieldCommunityBannerID   = 161
  31         FieldServerName          = 162
  32         FieldFileNameWithInfo    = 200
  33         FieldFileName            = 201
  34         FieldFilePath            = 202
  35         FieldFileResumeData      = 203
  36         FieldFileTransferOptions = 204
  37         FieldFileTypeString      = 205
  38         FieldFileCreatorString   = 206
  39         FieldFileSize            = 207
  40         FieldFileCreateDate      = 208
  41         FieldFileModifyDate      = 209
  42         FieldFileComment         = 210
  43         FieldFileNewName         = 211
  44         FieldFileNewPath         = 212
  45         FieldFileType            = 213
  46         FieldQuotingMsg          = 214
  47         FieldAutomaticResponse   = 215
  48         FieldFolderItemCount     = 220
  49         FieldUsernameWithInfo    = 300
  50         FieldNewsArtListData     = 321
  51         FieldNewsCatName         = 322
  52         FieldNewsCatListData15   = 323
  53         FieldNewsPath            = 325
  54         FieldNewsArtID           = 326
  55         FieldNewsArtDataFlav     = 327
  56         FieldNewsArtTitle        = 328
  57         FieldNewsArtPoster       = 329
  58         FieldNewsArtDate         = 330
  59         FieldNewsArtPrevArt      = 331
  60         FieldNewsArtNextArt      = 332
  61         FieldNewsArtData         = 333
  62         FieldNewsArtFlags        = 334 // TODO: what is this used for?
  63         FieldNewsArtParentArt    = 335
  64         FieldNewsArt1stChildArt  = 336
  65         FieldNewsArtRecurseDel   = 337 // TODO: implement news article recusive deletion
  66 )
  67
  68 type Field struct {
  69         ID        []byte // Type of field
  70         FieldSize []byte // Size of the data part
  71         Data      []byte // Actual field content
  72 }
  73
  74 type requiredField struct {
  75         ID     int
  76         minLen int
  77 }
  78
  79 func NewField(id uint16, data []byte) Field {
  80         idBytes := make([]byte, 2)
  81         binary.BigEndian.PutUint16(idBytes, id)
  82
  83         bs := make([]byte, 2)
  84         binary.BigEndian.PutUint16(bs, uint16(len(data)))
  85
  86         return Field{
  87                 ID:        idBytes,
  88                 FieldSize: bs,
  89                 Data:      data,
  90         }
  91 }
  92
  93 func (f Field) Payload() []byte {
  94         return slices.Concat(f.ID, f.FieldSize, f.Data)
  95 }
  96
  97 func getField(id int, fields *[]Field) *Field {
  98         for _, field := range *fields {
  99                 if id == int(binary.BigEndian.Uint16(field.ID)) {
 100                         return &field
 101                 }
 102         }
 103         return nil
 104 }