"bufio"
"bytes"
"encoding/binary"
- "errors"
"fmt"
- "gopkg.in/yaml.v3"
"io"
"math/big"
"os"
"path"
"path/filepath"
- "sort"
"strings"
"time"
)
-type HandlerFunc func(*ClientConn, *Transaction) ([]Transaction, error)
-
-type TransactionType struct {
- Handler HandlerFunc // function for handling the transaction type
- Name string // Name of transaction as it will appear in logging
- RequiredFields []requiredField
+// HandlerFunc is the signature of a func to handle a Hotline transaction.
+type HandlerFunc func(*ClientConn, *Transaction) []Transaction
+
+// TransactionHandlers maps a transaction type to a handler function.
+var TransactionHandlers = map[TranType]HandlerFunc{
+ TranAgreed: HandleTranAgreed,
+ TranChatSend: HandleChatSend,
+ TranDelNewsArt: HandleDelNewsArt,
+ TranDelNewsItem: HandleDelNewsItem,
+ TranDeleteFile: HandleDeleteFile,
+ TranDeleteUser: HandleDeleteUser,
+ TranDisconnectUser: HandleDisconnectUser,
+ TranDownloadFile: HandleDownloadFile,
+ TranDownloadFldr: HandleDownloadFolder,
+ TranGetClientInfoText: HandleGetClientInfoText,
+ TranGetFileInfo: HandleGetFileInfo,
+ TranGetFileNameList: HandleGetFileNameList,
+ TranGetMsgs: HandleGetMsgs,
+ TranGetNewsArtData: HandleGetNewsArtData,
+ TranGetNewsArtNameList: HandleGetNewsArtNameList,
+ TranGetNewsCatNameList: HandleGetNewsCatNameList,
+ TranGetUser: HandleGetUser,
+ TranGetUserNameList: HandleGetUserNameList,
+ TranInviteNewChat: HandleInviteNewChat,
+ TranInviteToChat: HandleInviteToChat,
+ TranJoinChat: HandleJoinChat,
+ TranKeepAlive: HandleKeepAlive,
+ TranLeaveChat: HandleLeaveChat,
+ TranListUsers: HandleListUsers,
+ TranMoveFile: HandleMoveFile,
+ TranNewFolder: HandleNewFolder,
+ TranNewNewsCat: HandleNewNewsCat,
+ TranNewNewsFldr: HandleNewNewsFldr,
+ TranNewUser: HandleNewUser,
+ TranUpdateUser: HandleUpdateUser,
+ TranOldPostNews: HandleTranOldPostNews,
+ TranPostNewsArt: HandlePostNewsArt,
+ TranRejectChatInvite: HandleRejectChatInvite,
+ TranSendInstantMsg: HandleSendInstantMsg,
+ TranSetChatSubject: HandleSetChatSubject,
+ TranMakeFileAlias: HandleMakeAlias,
+ TranSetClientUserInfo: HandleSetClientUserInfo,
+ TranSetFileInfo: HandleSetFileInfo,
+ TranSetUser: HandleSetUser,
+ TranUploadFile: HandleUploadFile,
+ TranUploadFldr: HandleUploadFolder,
+ TranUserBroadcast: HandleUserBroadcast,
+ TranDownloadBanner: HandleDownloadBanner,
}
-var TransactionHandlers = map[uint16]TransactionType{
- // Server initiated
- TranChatMsg: {
- Name: "TranChatMsg",
- },
- // Server initiated
- TranNotifyChangeUser: {
- Name: "TranNotifyChangeUser",
- },
- TranError: {
- Name: "TranError",
- },
- TranShowAgreement: {
- Name: "TranShowAgreement",
- },
- TranUserAccess: {
- Name: "TranUserAccess",
- },
- TranNotifyDeleteUser: {
- Name: "TranNotifyDeleteUser",
- },
- TranAgreed: {
- Name: "TranAgreed",
- Handler: HandleTranAgreed,
- },
- TranChatSend: {
- Name: "TranChatSend",
- Handler: HandleChatSend,
- RequiredFields: []requiredField{
- {
- ID: FieldData,
- minLen: 0,
- },
- },
- },
- TranDelNewsArt: {
- Name: "TranDelNewsArt",
- Handler: HandleDelNewsArt,
- },
- TranDelNewsItem: {
- Name: "TranDelNewsItem",
- Handler: HandleDelNewsItem,
- },
- TranDeleteFile: {
- Name: "TranDeleteFile",
- Handler: HandleDeleteFile,
- },
- TranDeleteUser: {
- Name: "TranDeleteUser",
- Handler: HandleDeleteUser,
- },
- TranDisconnectUser: {
- Name: "TranDisconnectUser",
- Handler: HandleDisconnectUser,
- },
- TranDownloadFile: {
- Name: "TranDownloadFile",
- Handler: HandleDownloadFile,
- },
- TranDownloadFldr: {
- Name: "TranDownloadFldr",
- Handler: HandleDownloadFolder,
- },
- TranGetClientInfoText: {
- Name: "TranGetClientInfoText",
- Handler: HandleGetClientInfoText,
- },
- TranGetFileInfo: {
- Name: "TranGetFileInfo",
- Handler: HandleGetFileInfo,
- },
- TranGetFileNameList: {
- Name: "TranGetFileNameList",
- Handler: HandleGetFileNameList,
- },
- TranGetMsgs: {
- Name: "TranGetMsgs",
- Handler: HandleGetMsgs,
- },
- TranGetNewsArtData: {
- Name: "TranGetNewsArtData",
- Handler: HandleGetNewsArtData,
- },
- TranGetNewsArtNameList: {
- Name: "TranGetNewsArtNameList",
- Handler: HandleGetNewsArtNameList,
- },
- TranGetNewsCatNameList: {
- Name: "TranGetNewsCatNameList",
- Handler: HandleGetNewsCatNameList,
- },
- TranGetUser: {
- Name: "TranGetUser",
- Handler: HandleGetUser,
- },
- TranGetUserNameList: {
- Name: "tranHandleGetUserNameList",
- Handler: HandleGetUserNameList,
- },
- TranInviteNewChat: {
- Name: "TranInviteNewChat",
- Handler: HandleInviteNewChat,
- },
- TranInviteToChat: {
- Name: "TranInviteToChat",
- Handler: HandleInviteToChat,
- },
- TranJoinChat: {
- Name: "TranJoinChat",
- Handler: HandleJoinChat,
- },
- TranKeepAlive: {
- Name: "TranKeepAlive",
- Handler: HandleKeepAlive,
- },
- TranLeaveChat: {
- Name: "TranJoinChat",
- Handler: HandleLeaveChat,
- },
- TranListUsers: {
- Name: "TranListUsers",
- Handler: HandleListUsers,
- },
- TranMoveFile: {
- Name: "TranMoveFile",
- Handler: HandleMoveFile,
- },
- TranNewFolder: {
- Name: "TranNewFolder",
- Handler: HandleNewFolder,
- },
- TranNewNewsCat: {
- Name: "TranNewNewsCat",
- Handler: HandleNewNewsCat,
- },
- TranNewNewsFldr: {
- Name: "TranNewNewsFldr",
- Handler: HandleNewNewsFldr,
- },
- TranNewUser: {
- Name: "TranNewUser",
- Handler: HandleNewUser,
- },
- TranUpdateUser: {
- Name: "TranUpdateUser",
- Handler: HandleUpdateUser,
- },
- TranOldPostNews: {
- Name: "TranOldPostNews",
- Handler: HandleTranOldPostNews,
- },
- TranPostNewsArt: {
- Name: "TranPostNewsArt",
- Handler: HandlePostNewsArt,
- },
- TranRejectChatInvite: {
- Name: "TranRejectChatInvite",
- Handler: HandleRejectChatInvite,
- },
- TranSendInstantMsg: {
- Name: "TranSendInstantMsg",
- Handler: HandleSendInstantMsg,
- RequiredFields: []requiredField{
- {
- ID: FieldData,
- minLen: 0,
- },
- {
- ID: FieldUserID,
- },
- },
- },
- TranSetChatSubject: {
- Name: "TranSetChatSubject",
- Handler: HandleSetChatSubject,
- },
- TranMakeFileAlias: {
- Name: "TranMakeFileAlias",
- Handler: HandleMakeAlias,
- RequiredFields: []requiredField{
- {ID: FieldFileName, minLen: 1},
- {ID: FieldFilePath, minLen: 1},
- {ID: FieldFileNewPath, minLen: 1},
- },
- },
- TranSetClientUserInfo: {
- Name: "TranSetClientUserInfo",
- Handler: HandleSetClientUserInfo,
- },
- TranSetFileInfo: {
- Name: "TranSetFileInfo",
- Handler: HandleSetFileInfo,
- },
- TranSetUser: {
- Name: "TranSetUser",
- Handler: HandleSetUser,
- },
- TranUploadFile: {
- Name: "TranUploadFile",
- Handler: HandleUploadFile,
- },
- TranUploadFldr: {
- Name: "TranUploadFldr",
- Handler: HandleUploadFolder,
- },
- TranUserBroadcast: {
- Name: "TranUserBroadcast",
- Handler: HandleUserBroadcast,
- },
- TranDownloadBanner: {
- Name: "TranDownloadBanner",
- Handler: HandleDownloadBanner,
- },
-}
+// The total size of a chat message data field is 8192 bytes.
+const chatMsgLimit = 8192
-func HandleChatSend(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessSendChat) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to participate in chat."))
- return res, err
+func HandleChatSend(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessSendChat) {
+ return cc.NewErrReply(t, "You are not allowed to participate in chat.")
}
// Truncate long usernames
- trunc := fmt.Sprintf("%13s", cc.UserName)
- formattedMsg := fmt.Sprintf("\r%.14s: %s", trunc, t.GetField(FieldData).Data)
+ // %13.13s: This means a string that is right-aligned in a field of 13 characters.
+ // If the string is longer than 13 characters, it will be truncated to 13 characters.
+ formattedMsg := fmt.Sprintf("\r%13.13s: %s", cc.UserName, t.GetField(FieldData).Data)
// By holding the option key, Hotline chat allows users to send /me formatted messages like:
// *** Halcyon does stuff
formattedMsg = fmt.Sprintf("\r*** %s %s", cc.UserName, t.GetField(FieldData).Data)
}
+ // Truncate the message to the limit. This does not handle the edge case of a string ending on multibyte character.
+ formattedMsg = formattedMsg[:min(len(formattedMsg), chatMsgLimit)]
+
// The ChatID field is used to identify messages as belonging to a private chat.
// All clients *except* Frogblast omit this field for public chat, but Frogblast sends a value of 00 00 00 00.
chatID := t.GetField(FieldChatID).Data
if chatID != nil && !bytes.Equal([]byte{0, 0, 0, 0}, chatID) {
- chatInt := binary.BigEndian.Uint32(chatID)
- privChat := cc.Server.PrivateChats[chatInt]
-
- clients := sortedClients(privChat.ClientConn)
// send the message to all connected clients of the private chat
- for _, c := range clients {
- res = append(res, *NewTransaction(
+ for _, c := range cc.Server.ChatMgr.Members([4]byte(chatID)) {
+ res = append(res, NewTransaction(
TranChatMsg,
c.ID,
NewField(FieldChatID, chatID),
NewField(FieldData, []byte(formattedMsg)),
))
}
- return res, err
+ return res
}
- for _, c := range sortedClients(cc.Server.Clients) {
- // Filter out clients that do not have the read chat permission
- if c.Authorize(accessReadChat) {
- res = append(res, *NewTransaction(TranChatMsg, c.ID, NewField(FieldData, []byte(formattedMsg))))
+ //cc.Server.mux.Lock()
+ for _, c := range cc.Server.ClientMgr.List() {
+ if c == nil || cc.Account == nil {
+ continue
+ }
+ // Skip clients that do not have the read chat permission.
+ if c.Authorize(AccessReadChat) {
+ res = append(res, NewTransaction(TranChatMsg, c.ID, NewField(FieldData, []byte(formattedMsg))))
}
}
+ //cc.Server.mux.Unlock()
- return res, err
+ return res
}
// HandleSendInstantMsg sends instant message to the user on the current server.
// Fields used in the request:
//
-// 103 User ID
+// 103 User Type
// 113 Options
// One of the following values:
// - User message (myOpt_UserMessage = 1)
//
// Fields used in the reply:
// None
-func HandleSendInstantMsg(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessSendPrivMsg) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to send private messages."))
- return res, errors.New("user is not allowed to send private messages")
+func HandleSendInstantMsg(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessSendPrivMsg) {
+ return cc.NewErrReply(t, "You are not allowed to send private messages.")
}
msg := t.GetField(FieldData)
- ID := t.GetField(FieldUserID)
+ userID := t.GetField(FieldUserID)
reply := NewTransaction(
TranServerMsg,
- &ID.Data,
+ [2]byte(userID.Data),
NewField(FieldData, msg.Data),
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
NewField(FieldOptions, []byte{0, 1}),
)
reply.Fields = append(reply.Fields, NewField(FieldQuotingMsg, t.GetField(FieldQuotingMsg).Data))
}
- id, err := byteToInt(ID.Data)
- if err != nil {
- return res, errors.New("invalid client ID")
- }
- otherClient, ok := cc.Server.Clients[uint16(id)]
- if !ok {
- return res, errors.New("invalid client ID")
+ otherClient := cc.Server.ClientMgr.Get([2]byte(userID.Data))
+ if otherClient == nil {
+ return res
}
// Check if target user has "Refuse private messages" flag
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(otherClient.Flags)))
- if flagBitmap.Bit(UserFlagRefusePM) == 1 {
+ if otherClient.Flags.IsSet(UserFlagRefusePM) {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranServerMsg,
cc.ID,
NewField(FieldData, []byte(string(otherClient.UserName)+" does not accept private messages.")),
NewField(FieldUserName, otherClient.UserName),
- NewField(FieldUserID, *otherClient.ID),
+ NewField(FieldUserID, otherClient.ID[:]),
NewField(FieldOptions, []byte{0, 2}),
),
)
} else {
- res = append(res, *reply)
+ res = append(res, reply)
}
// Respond with auto reply if other client has it enabled
if len(otherClient.AutoReply) > 0 {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranServerMsg,
cc.ID,
NewField(FieldData, otherClient.AutoReply),
NewField(FieldUserName, otherClient.UserName),
- NewField(FieldUserID, *otherClient.ID),
+ NewField(FieldUserID, otherClient.ID[:]),
NewField(FieldOptions, []byte{0, 1}),
),
)
}
- res = append(res, cc.NewReply(t))
-
- return res, err
+ return append(res, cc.NewReply(t))
}
-func HandleGetFileInfo(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+var fileTypeFLDR = [4]byte{0x66, 0x6c, 0x64, 0x72}
+
+func HandleGetFileInfo(cc *ClientConn, t *Transaction) (res []Transaction) {
fileName := t.GetField(FieldFileName).Data
filePath := t.GetField(FieldFilePath).Data
fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
if err != nil {
- return res, err
+ return res
}
fw, err := newFileWrapper(cc.Server.FS, fullFilePath, 0)
if err != nil {
- return res, err
+ return res
}
encodedName, err := txtEncoder.String(fw.name)
if err != nil {
- return res, fmt.Errorf("invalid filepath encoding: %w", err)
+ return res
}
fields := []Field{
NewField(FieldFileName, []byte(encodedName)),
NewField(FieldFileTypeString, fw.ffo.FlatFileInformationFork.friendlyType()),
NewField(FieldFileCreatorString, fw.ffo.FlatFileInformationFork.friendlyCreator()),
- NewField(FieldFileType, fw.ffo.FlatFileInformationFork.TypeSignature),
- NewField(FieldFileCreateDate, fw.ffo.FlatFileInformationFork.CreateDate),
- NewField(FieldFileModifyDate, fw.ffo.FlatFileInformationFork.ModifyDate),
+ NewField(FieldFileType, fw.ffo.FlatFileInformationFork.TypeSignature[:]),
+ NewField(FieldFileCreateDate, fw.ffo.FlatFileInformationFork.CreateDate[:]),
+ NewField(FieldFileModifyDate, fw.ffo.FlatFileInformationFork.ModifyDate[:]),
}
// Include the optional FileComment field if there is a comment.
}
// Include the FileSize field for files.
- if !bytes.Equal(fw.ffo.FlatFileInformationFork.TypeSignature, []byte{0x66, 0x6c, 0x64, 0x72}) {
+ if fw.ffo.FlatFileInformationFork.TypeSignature != fileTypeFLDR {
fields = append(fields, NewField(FieldFileSize, fw.totalSize()))
}
res = append(res, cc.NewReply(t, fields...))
- return res, err
+ return res
}
// HandleSetFileInfo updates a file or folder Name and/or comment from the Get Info window
// * 211 File new Name Optional
// * 210 File comment Optional
// Fields used in the reply: None
-func HandleSetFileInfo(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleSetFileInfo(cc *ClientConn, t *Transaction) (res []Transaction) {
fileName := t.GetField(FieldFileName).Data
filePath := t.GetField(FieldFilePath).Data
fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
if err != nil {
- return res, err
+ return res
}
fi, err := cc.Server.FS.Stat(fullFilePath)
if err != nil {
- return res, err
+ return res
}
hlFile, err := newFileWrapper(cc.Server.FS, fullFilePath, 0)
if err != nil {
- return res, err
+ return res
}
if t.GetField(FieldFileComment).Data != nil {
switch mode := fi.Mode(); {
case mode.IsDir():
- if !cc.Authorize(accessSetFolderComment) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to set comments for folders."))
- return res, err
+ if !cc.Authorize(AccessSetFolderComment) {
+ return cc.NewErrReply(t, "You are not allowed to set comments for folders.")
}
case mode.IsRegular():
- if !cc.Authorize(accessSetFileComment) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to set comments for files."))
- return res, err
+ if !cc.Authorize(AccessSetFileComment) {
+ return cc.NewErrReply(t, "You are not allowed to set comments for files.")
}
}
if err := hlFile.ffo.FlatFileInformationFork.setComment(t.GetField(FieldFileComment).Data); err != nil {
- return res, err
+ return res
}
w, err := hlFile.infoForkWriter()
if err != nil {
- return res, err
+ return res
}
_, err = io.Copy(w, &hlFile.ffo.FlatFileInformationFork)
if err != nil {
- return res, err
+ return res
}
}
fullNewFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, t.GetField(FieldFileNewName).Data)
if err != nil {
- return nil, err
+ return nil
}
fileNewName := t.GetField(FieldFileNewName).Data
if fileNewName != nil {
switch mode := fi.Mode(); {
case mode.IsDir():
- if !cc.Authorize(accessRenameFolder) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to rename folders."))
- return res, err
+ if !cc.Authorize(AccessRenameFolder) {
+ return cc.NewErrReply(t, "You are not allowed to rename folders.")
}
err = os.Rename(fullFilePath, fullNewFilePath)
if os.IsNotExist(err) {
- res = append(res, cc.NewErrReply(t, "Cannot rename folder "+string(fileName)+" because it does not exist or cannot be found."))
- return res, err
+ return cc.NewErrReply(t, "Cannot rename folder "+string(fileName)+" because it does not exist or cannot be found.")
+
}
case mode.IsRegular():
- if !cc.Authorize(accessRenameFile) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to rename files."))
- return res, err
+ if !cc.Authorize(AccessRenameFile) {
+ return cc.NewErrReply(t, "You are not allowed to rename files.")
}
fileDir, err := readPath(cc.Server.Config.FileRoot, filePath, []byte{})
if err != nil {
- return nil, err
+ return nil
}
hlFile.name, err = txtDecoder.String(string(fileNewName))
if err != nil {
- return res, fmt.Errorf("invalid filepath encoding: %w", err)
+ return res
}
err = hlFile.move(fileDir)
if os.IsNotExist(err) {
- res = append(res, cc.NewErrReply(t, "Cannot rename file "+string(fileName)+" because it does not exist or cannot be found."))
- return res, err
+ return cc.NewErrReply(t, "Cannot rename file "+string(fileName)+" because it does not exist or cannot be found.")
}
if err != nil {
- return res, err
+ return res
}
}
}
res = append(res, cc.NewReply(t))
- return res, err
+ return res
}
// HandleDeleteFile deletes a file or folder
// * 201 File Name
// * 202 File path
// Fields used in the reply: none
-func HandleDeleteFile(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleDeleteFile(cc *ClientConn, t *Transaction) (res []Transaction) {
fileName := t.GetField(FieldFileName).Data
filePath := t.GetField(FieldFilePath).Data
fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
if err != nil {
- return res, err
+ return res
}
hlFile, err := newFileWrapper(cc.Server.FS, fullFilePath, 0)
if err != nil {
- return res, err
+ return res
}
fi, err := hlFile.dataFile()
if err != nil {
- res = append(res, cc.NewErrReply(t, "Cannot delete file "+string(fileName)+" because it does not exist or cannot be found."))
- return res, nil
+ return cc.NewErrReply(t, "Cannot delete file "+string(fileName)+" because it does not exist or cannot be found.")
}
switch mode := fi.Mode(); {
case mode.IsDir():
- if !cc.Authorize(accessDeleteFolder) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to delete folders."))
- return res, err
+ if !cc.Authorize(AccessDeleteFolder) {
+ return cc.NewErrReply(t, "You are not allowed to delete folders.")
}
case mode.IsRegular():
- if !cc.Authorize(accessDeleteFile) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to delete files."))
- return res, err
+ if !cc.Authorize(AccessDeleteFile) {
+ return cc.NewErrReply(t, "You are not allowed to delete files.")
}
}
if err := hlFile.delete(); err != nil {
- return res, err
+ return res
}
res = append(res, cc.NewReply(t))
- return res, err
+ return res
}
// HandleMoveFile moves files or folders. Note: seemingly not documented
-func HandleMoveFile(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleMoveFile(cc *ClientConn, t *Transaction) (res []Transaction) {
fileName := string(t.GetField(FieldFileName).Data)
filePath, err := readPath(cc.Server.Config.FileRoot, t.GetField(FieldFilePath).Data, t.GetField(FieldFileName).Data)
if err != nil {
- return res, err
+ return res
}
fileNewPath, err := readPath(cc.Server.Config.FileRoot, t.GetField(FieldFileNewPath).Data, nil)
if err != nil {
- return res, err
+ return res
}
cc.logger.Info("Move file", "src", filePath+"/"+fileName, "dst", fileNewPath+"/"+fileName)
hlFile, err := newFileWrapper(cc.Server.FS, filePath, 0)
if err != nil {
- return res, err
+ return res
}
fi, err := hlFile.dataFile()
if err != nil {
- res = append(res, cc.NewErrReply(t, "Cannot delete file "+fileName+" because it does not exist or cannot be found."))
- return res, err
+ return cc.NewErrReply(t, "Cannot delete file "+fileName+" because it does not exist or cannot be found.")
}
switch mode := fi.Mode(); {
case mode.IsDir():
- if !cc.Authorize(accessMoveFolder) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to move folders."))
- return res, err
+ if !cc.Authorize(AccessMoveFolder) {
+ return cc.NewErrReply(t, "You are not allowed to move folders.")
}
case mode.IsRegular():
- if !cc.Authorize(accessMoveFile) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to move files."))
- return res, err
+ if !cc.Authorize(AccessMoveFile) {
+ return cc.NewErrReply(t, "You are not allowed to move files.")
}
}
if err := hlFile.move(fileNewPath); err != nil {
- return res, err
+ return res
}
// TODO: handle other possible errors; e.g. fileWrapper delete fails due to fileWrapper permission issue
res = append(res, cc.NewReply(t))
- return res, err
+ return res
}
-func HandleNewFolder(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessCreateFolder) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to create folders."))
- return res, err
+func HandleNewFolder(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessCreateFolder) {
+ return cc.NewErrReply(t, "You are not allowed to create folders.")
}
folderName := string(t.GetField(FieldFileName).Data)
var newFp FilePath
_, err := newFp.Write(t.GetField(FieldFilePath).Data)
if err != nil {
- return nil, err
+ return res
}
for _, pathItem := range newFp.Items {
}
}
newFolderPath := path.Join(cc.Server.Config.FileRoot, subPath, folderName)
- newFolderPath, err = txtDecoder.String(newFolderPath)
+ newFolderPath, err := txtDecoder.String(newFolderPath)
if err != nil {
- return res, fmt.Errorf("invalid filepath encoding: %w", err)
+ return res
}
// TODO: check path and folder Name lengths
if _, err := cc.Server.FS.Stat(newFolderPath); !os.IsNotExist(err) {
msg := fmt.Sprintf("Cannot create folder \"%s\" because there is already a file or folder with that Name.", folderName)
- return []Transaction{cc.NewErrReply(t, msg)}, nil
+ return cc.NewErrReply(t, msg)
}
if err := cc.Server.FS.Mkdir(newFolderPath, 0777); err != nil {
msg := fmt.Sprintf("Cannot create folder \"%s\" because an error occurred.", folderName)
- return []Transaction{cc.NewErrReply(t, msg)}, nil
+ return cc.NewErrReply(t, msg)
}
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
-func HandleSetUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessModifyUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to modify accounts."))
- return res, err
+func HandleSetUser(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessModifyUser) {
+ return cc.NewErrReply(t, "You are not allowed to modify accounts.")
}
- login := string(encodeString(t.GetField(FieldUserLogin).Data))
+ login := t.GetField(FieldUserLogin).DecodeObfuscatedString()
userName := string(t.GetField(FieldUserName).Data)
newAccessLvl := t.GetField(FieldUserAccess).Data
- account := cc.Server.Accounts[login]
+ account := cc.Server.AccountManager.Get(login)
if account == nil {
- return append(res, cc.NewErrReply(t, "Account not found.")), nil
+ return cc.NewErrReply(t, "Account not found.")
}
account.Name = userName
copy(account.Access[:], newAccessLvl)
account.Password = hashAndSalt(t.GetField(FieldUserPassword).Data)
}
- out, err := yaml.Marshal(&account)
+ err := cc.Server.AccountManager.Update(*account, account.Login)
if err != nil {
- return res, err
- }
- if err := os.WriteFile(filepath.Join(cc.Server.ConfigDir, "Users", login+".yaml"), out, 0666); err != nil {
- return res, err
+ cc.logger.Error("Error updating account", "Err", err)
}
// Notify connected clients logged in as the user of the new access level
- for _, c := range cc.Server.Clients {
+ for _, c := range cc.Server.ClientMgr.List() {
if c.Account.Login == login {
- // Note: comment out these two lines to test server-side deny messages
newT := NewTransaction(TranUserAccess, c.ID, NewField(FieldUserAccess, newAccessLvl))
- res = append(res, *newT)
+ res = append(res, newT)
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(c.Flags)))
- if c.Authorize(accessDisconUser) {
- flagBitmap.SetBit(flagBitmap, UserFlagAdmin, 1)
+ if c.Authorize(AccessDisconUser) {
+ c.Flags.Set(UserFlagAdmin, 1)
} else {
- flagBitmap.SetBit(flagBitmap, UserFlagAdmin, 0)
+ c.Flags.Set(UserFlagAdmin, 0)
}
- binary.BigEndian.PutUint16(c.Flags, uint16(flagBitmap.Int64()))
c.Account.Access = account.Access
- cc.sendAll(
+ cc.SendAll(
TranNotifyChangeUser,
- NewField(FieldUserID, *c.ID),
- NewField(FieldUserFlags, c.Flags),
+ NewField(FieldUserID, c.ID[:]),
+ NewField(FieldUserFlags, c.Flags[:]),
NewField(FieldUserName, c.UserName),
NewField(FieldUserIconID, c.Icon),
)
}
}
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
-func HandleGetUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessOpenUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to view accounts."))
- return res, err
+func HandleGetUser(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessOpenUser) {
+ return cc.NewErrReply(t, "You are not allowed to view accounts.")
}
- account := cc.Server.Accounts[string(t.GetField(FieldUserLogin).Data)]
+ account := cc.Server.AccountManager.Get(string(t.GetField(FieldUserLogin).Data))
if account == nil {
- res = append(res, cc.NewErrReply(t, "Account does not exist."))
- return res, err
+ return cc.NewErrReply(t, "Account does not exist.")
}
- res = append(res, cc.NewReply(t,
+ return append(res, cc.NewReply(t,
NewField(FieldUserName, []byte(account.Name)),
NewField(FieldUserLogin, encodeString(t.GetField(FieldUserLogin).Data)),
NewField(FieldUserPassword, []byte(account.Password)),
NewField(FieldUserAccess, account.Access[:]),
))
- return res, err
}
-func HandleListUsers(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessOpenUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to view accounts."))
- return res, err
+func HandleListUsers(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessOpenUser) {
+ return cc.NewErrReply(t, "You are not allowed to view accounts.")
}
var userFields []Field
- for _, acc := range cc.Server.Accounts {
- accCopy := *acc
- b, err := io.ReadAll(&accCopy)
+ for _, acc := range cc.Server.AccountManager.List() {
+ b, err := io.ReadAll(&acc)
if err != nil {
- return res, err
+ cc.logger.Error("Error reading account", "Account", acc.Login, "Err", err)
+ continue
}
userFields = append(userFields, NewField(FieldData, b))
}
- res = append(res, cc.NewReply(t, userFields...))
- return res, err
+ return append(res, cc.NewReply(t, userFields...))
}
// HandleUpdateUser is used by the v1.5+ multi-user editor to perform account editing for multiple users at a time.
// The Transaction sent by the client includes one data field per user that was modified. This data field in turn
// contains another data field encoded in its payload with a varying number of sub fields depending on which action is
// performed. This seems to be the only place in the Hotline protocol where a data field contains another data field.
-func HandleUpdateUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleUpdateUser(cc *ClientConn, t *Transaction) (res []Transaction) {
for _, field := range t.Fields {
-
var subFields []Field
// Create a new scanner for parsing incoming bytes into transaction tokens
var field Field
if _, err := field.Write(scanner.Bytes()); err != nil {
- return res, fmt.Errorf("error reading field: %w", err)
+ return res
}
subFields = append(subFields, field)
}
// If there's only one subfield, that indicates this is a delete operation for the login in FieldData
if len(subFields) == 1 {
- if !cc.Authorize(accessDeleteUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to delete accounts."))
- return res, err
+ if !cc.Authorize(AccessDeleteUser) {
+ return cc.NewErrReply(t, "You are not allowed to delete accounts.")
}
login := string(encodeString(getField(FieldData, &subFields).Data))
+
cc.logger.Info("DeleteUser", "login", login)
- if err := cc.Server.DeleteUser(login); err != nil {
- return res, err
+ if err := cc.Server.AccountManager.Delete(login); err != nil {
+ cc.logger.Error("Error deleting account", "Err", err)
+ return res
}
+
+ for _, client := range cc.Server.ClientMgr.List() {
+ if client.Account.Login == login {
+ // "You are logged in with an account which was deleted."
+
+ res = append(res,
+ NewTransaction(TranServerMsg, [2]byte{},
+ NewField(FieldData, []byte("You are logged in with an account which was deleted.")),
+ NewField(FieldChatOptions, []byte{0}),
+ ),
+ )
+
+ go func(c *ClientConn) {
+ time.Sleep(3 * time.Second)
+ c.Disconnect()
+ }(client)
+ }
+ }
+
continue
}
}
// Check if accountToUpdate has an existing account. If so, we know we are updating an existing user.
- if acc, ok := cc.Server.Accounts[accountToUpdate]; ok {
+ if acc := cc.Server.AccountManager.Get(accountToUpdate); acc != nil {
if loginToRename != "" {
cc.logger.Info("RenameUser", "prevLogin", accountToUpdate, "newLogin", userLogin)
} else {
cc.logger.Info("UpdateUser", "login", accountToUpdate)
}
- // account exists, so this is an update action
- if !cc.Authorize(accessModifyUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to modify accounts."))
- return res, nil
+ // Account exists, so this is an update action.
+ if !cc.Authorize(AccessModifyUser) {
+ return cc.NewErrReply(t, "You are not allowed to modify accounts.")
}
// This part is a bit tricky. There are three possibilities:
copy(acc.Access[:], getField(FieldUserAccess, &subFields).Data)
}
- err = cc.Server.UpdateUser(
- string(encodeString(getField(FieldData, &subFields).Data)),
- string(encodeString(getField(FieldUserLogin, &subFields).Data)),
- string(getField(FieldUserName, &subFields).Data),
- acc.Password,
- acc.Access,
- )
+ acc.Name = string(getField(FieldUserName, &subFields).Data)
+
+ err := cc.Server.AccountManager.Update(*acc, string(encodeString(getField(FieldUserLogin, &subFields).Data)))
+
if err != nil {
- return res, err
+ return res
}
} else {
- if !cc.Authorize(accessCreateUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to create new accounts."))
- return res, nil
+ if !cc.Authorize(AccessCreateUser) {
+ return cc.NewErrReply(t, "You are not allowed to create new accounts.")
}
cc.logger.Info("CreateUser", "login", userLogin)
for i := 0; i < 64; i++ {
if newAccess.IsSet(i) {
if !cc.Authorize(i) {
- return append(res, cc.NewErrReply(t, "Cannot create account with more access than yourself.")), nil
+ return cc.NewErrReply(t, "Cannot create account with more access than yourself.")
}
}
}
- err = cc.Server.NewUser(userLogin, string(getField(FieldUserName, &subFields).Data), string(getField(FieldUserPassword, &subFields).Data), newAccess)
+ account := NewAccount(userLogin, string(getField(FieldUserName, &subFields).Data), string(getField(FieldUserPassword, &subFields).Data), newAccess)
+
+ err := cc.Server.AccountManager.Create(*account)
if err != nil {
- return append(res, cc.NewErrReply(t, "Cannot create account because there is already an account with that login.")), nil
+ return cc.NewErrReply(t, "Cannot create account because there is already an account with that login.")
}
}
}
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
// HandleNewUser creates a new user account
-func HandleNewUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessCreateUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to create new accounts."))
- return res, err
+func HandleNewUser(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessCreateUser) {
+ return cc.NewErrReply(t, "You are not allowed to create new accounts.")
}
- login := string(encodeString(t.GetField(FieldUserLogin).Data))
+ login := t.GetField(FieldUserLogin).DecodeObfuscatedString()
- // If the account already dataFile, reply with an error
- if _, ok := cc.Server.Accounts[login]; ok {
- res = append(res, cc.NewErrReply(t, "Cannot create account "+login+" because there is already an account with that login."))
- return res, err
+ // If the account already exists, reply with an error.
+ if account := cc.Server.AccountManager.Get(login); account != nil {
+ return cc.NewErrReply(t, "Cannot create account "+login+" because there is already an account with that login.")
}
- newAccess := accessBitmap{}
+ var newAccess accessBitmap
copy(newAccess[:], t.GetField(FieldUserAccess).Data)
// Prevent account from creating new account with greater permission
for i := 0; i < 64; i++ {
if newAccess.IsSet(i) {
if !cc.Authorize(i) {
- res = append(res, cc.NewErrReply(t, "Cannot create account with more access than yourself."))
- return res, err
+ return cc.NewErrReply(t, "Cannot create account with more access than yourself.")
}
}
}
- if err := cc.Server.NewUser(login, string(t.GetField(FieldUserName).Data), string(t.GetField(FieldUserPassword).Data), newAccess); err != nil {
- res = append(res, cc.NewErrReply(t, "Cannot create account because there is already an account with that login."))
- return res, err
+ account := NewAccount(login, string(t.GetField(FieldUserName).Data), string(t.GetField(FieldUserPassword).Data), newAccess)
+
+ err := cc.Server.AccountManager.Create(*account)
+ if err != nil {
+ return cc.NewErrReply(t, "Cannot create account because there is already an account with that login.")
}
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
-func HandleDeleteUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessDeleteUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to delete accounts."))
- return res, nil
+func HandleDeleteUser(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessDeleteUser) {
+ return cc.NewErrReply(t, "You are not allowed to delete accounts.")
}
- login := string(encodeString(t.GetField(FieldUserLogin).Data))
+ login := t.GetField(FieldUserLogin).DecodeObfuscatedString()
- if err := cc.Server.DeleteUser(login); err != nil {
- return res, err
+ if err := cc.Server.AccountManager.Delete(login); err != nil {
+ cc.logger.Error("Error deleting account", "Err", err)
+ return res
}
- res = append(res, cc.NewReply(t))
- return res, err
+ for _, client := range cc.Server.ClientMgr.List() {
+ if client.Account.Login == login {
+ res = append(res,
+ NewTransaction(TranServerMsg, client.ID,
+ NewField(FieldData, []byte("You are logged in with an account which was deleted.")),
+ NewField(FieldChatOptions, []byte{2}),
+ ),
+ )
+
+ go func(c *ClientConn) {
+ time.Sleep(2 * time.Second)
+ c.Disconnect()
+ }(client)
+ }
+ }
+
+ return append(res, cc.NewReply(t))
}
// HandleUserBroadcast sends an Administrator Message to all connected clients of the server
-func HandleUserBroadcast(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessBroadcast) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to send broadcast messages."))
- return res, err
+func HandleUserBroadcast(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessBroadcast) {
+ return cc.NewErrReply(t, "You are not allowed to send broadcast messages.")
}
- cc.sendAll(
+ cc.SendAll(
TranServerMsg,
- NewField(FieldData, t.GetField(TranGetMsgs).Data),
+ NewField(FieldData, t.GetField(FieldData).Data),
NewField(FieldChatOptions, []byte{0}),
)
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
// HandleGetClientInfoText returns user information for the specific user.
//
// Fields used in the request:
-// 103 User ID
+// 103 User Type
//
// Fields used in the reply:
// 102 User Name
// 101 Data User info text string
-func HandleGetClientInfoText(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessGetClientInfo) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to get client info."))
- return res, err
+func HandleGetClientInfoText(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessGetClientInfo) {
+ return cc.NewErrReply(t, "You are not allowed to get client info.")
}
- clientID, _ := byteToInt(t.GetField(FieldUserID).Data)
+ clientID := t.GetField(FieldUserID).Data
- clientConn := cc.Server.Clients[uint16(clientID)]
+ clientConn := cc.Server.ClientMgr.Get(ClientID(clientID))
if clientConn == nil {
- return append(res, cc.NewErrReply(t, "User not found.")), err
+ return cc.NewErrReply(t, "User not found.")
}
- res = append(res, cc.NewReply(t,
+ return append(res, cc.NewReply(t,
NewField(FieldData, []byte(clientConn.String())),
NewField(FieldUserName, clientConn.UserName),
))
- return res, err
}
-func HandleGetUserNameList(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- res = append(res, cc.NewReply(t, cc.Server.connectedUsers()...))
+func HandleGetUserNameList(cc *ClientConn, t *Transaction) (res []Transaction) {
+ var fields []Field
+ for _, c := range cc.Server.ClientMgr.List() {
+ b, err := io.ReadAll(&User{
+ ID: c.ID,
+ Icon: c.Icon,
+ Flags: c.Flags[:],
+ Name: string(c.UserName),
+ })
+ if err != nil {
+ return nil
+ }
+
+ fields = append(fields, NewField(FieldUsernameWithInfo, b))
+ }
- return res, err
+ return []Transaction{cc.NewReply(t, fields...)}
}
-func HandleTranAgreed(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleTranAgreed(cc *ClientConn, t *Transaction) (res []Transaction) {
if t.GetField(FieldUserName).Data != nil {
- if cc.Authorize(accessAnyName) {
+ if cc.Authorize(AccessAnyName) {
cc.UserName = t.GetField(FieldUserName).Data
} else {
cc.UserName = []byte(cc.Account.Name)
cc.Icon = t.GetField(FieldUserIconID).Data
cc.logger = cc.logger.With("Name", string(cc.UserName))
- cc.logger.Info("Login successful", "clientVersion", fmt.Sprintf("%v", func() int { i, _ := byteToInt(cc.Version); return i }()))
+ cc.logger.Info("Login successful")
options := t.GetField(FieldOptions).Data
optBitmap := big.NewInt(int64(binary.BigEndian.Uint16(options)))
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(cc.Flags)))
-
// Check refuse private PM option
- if optBitmap.Bit(UserOptRefusePM) == 1 {
- flagBitmap.SetBit(flagBitmap, UserFlagRefusePM, 1)
- binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
- }
+
+ cc.flagsMU.Lock()
+ defer cc.flagsMU.Unlock()
+ cc.Flags.Set(UserFlagRefusePM, optBitmap.Bit(UserOptRefusePM))
// Check refuse private chat option
- if optBitmap.Bit(UserOptRefuseChat) == 1 {
- flagBitmap.SetBit(flagBitmap, UserFlagRefusePChat, 1)
- binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
- }
+ cc.Flags.Set(UserFlagRefusePChat, optBitmap.Bit(UserOptRefuseChat))
// Check auto response
if optBitmap.Bit(UserOptAutoResponse) == 1 {
cc.AutoReply = t.GetField(FieldAutomaticResponse).Data
- } else {
- cc.AutoReply = []byte{}
}
- trans := cc.notifyOthers(
- *NewTransaction(
- TranNotifyChangeUser, nil,
+ trans := cc.NotifyOthers(
+ NewTransaction(
+ TranNotifyChangeUser, [2]byte{0, 0},
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
NewField(FieldUserIconID, cc.Icon),
- NewField(FieldUserFlags, cc.Flags),
+ NewField(FieldUserFlags, cc.Flags[:]),
),
)
res = append(res, trans...)
if cc.Server.Config.BannerFile != "" {
- res = append(res, *NewTransaction(TranServerBanner, cc.ID, NewField(FieldBannerType, []byte("JPEG"))))
+ res = append(res, NewTransaction(TranServerBanner, cc.ID, NewField(FieldBannerType, []byte("JPEG"))))
}
res = append(res, cc.NewReply(t))
- return res, err
+ return res
}
// HandleTranOldPostNews updates the flat news
// Fields used in this request:
// 101 Data
-func HandleTranOldPostNews(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsPostArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to post news."))
- return res, err
+func HandleTranOldPostNews(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsPostArt) {
+ return cc.NewErrReply(t, "You are not allowed to post news.")
}
- cc.Server.flatNewsMux.Lock()
- defer cc.Server.flatNewsMux.Unlock()
-
newsDateTemplate := defaultNewsDateFormat
if cc.Server.Config.NewsDateFormat != "" {
newsDateTemplate = cc.Server.Config.NewsDateFormat
newsPost := fmt.Sprintf(newsTemplate+"\r", cc.UserName, time.Now().Format(newsDateTemplate), t.GetField(FieldData).Data)
newsPost = strings.ReplaceAll(newsPost, "\n", "\r")
- // update news in memory
- cc.Server.FlatNews = append([]byte(newsPost), cc.Server.FlatNews...)
-
- // update news on disk
- if err := cc.Server.FS.WriteFile(filepath.Join(cc.Server.ConfigDir, "MessageBoard.txt"), cc.Server.FlatNews, 0644); err != nil {
- return res, err
+ _, err := cc.Server.MessageBoard.Write([]byte(newsPost))
+ if err != nil {
+ cc.logger.Error("error writing news post", "err", err)
+ return nil
}
// Notify all clients of updated news
- cc.sendAll(
+ cc.SendAll(
TranNewMsg,
NewField(FieldData, []byte(newsPost)),
)
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
-func HandleDisconnectUser(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessDisconUser) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to disconnect users."))
- return res, err
+func HandleDisconnectUser(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessDisconUser) {
+ return cc.NewErrReply(t, "You are not allowed to disconnect users.")
}
- clientConn := cc.Server.Clients[binary.BigEndian.Uint16(t.GetField(FieldUserID).Data)]
+ clientID := [2]byte(t.GetField(FieldUserID).Data)
+ clientConn := cc.Server.ClientMgr.Get(clientID)
- if clientConn.Authorize(accessCannotBeDiscon) {
- res = append(res, cc.NewErrReply(t, clientConn.Account.Login+" is not allowed to be disconnected."))
- return res, err
+ if clientConn.Authorize(AccessCannotBeDiscon) {
+ return cc.NewErrReply(t, clientConn.Account.Login+" is not allowed to be disconnected.")
}
// If FieldOptions is set, then the client IP is banned in addition to disconnected.
// send message: "You are temporarily banned on this server"
cc.logger.Info("Disconnect & temporarily ban " + string(clientConn.UserName))
- res = append(res, *NewTransaction(
+ res = append(res, NewTransaction(
TranServerMsg,
clientConn.ID,
NewField(FieldData, []byte("You are temporarily banned on this server")),
))
banUntil := time.Now().Add(tempBanDuration)
- cc.Server.banList[strings.Split(clientConn.RemoteAddr, ":")[0]] = &banUntil
+ ip := strings.Split(clientConn.RemoteAddr, ":")[0]
+
+ err := cc.Server.BanList.Add(ip, &banUntil)
+ if err != nil {
+ cc.logger.Error("Error saving ban", "err", err)
+ // TODO
+ }
case 2:
// send message: "You are permanently banned on this server"
cc.logger.Info("Disconnect & ban " + string(clientConn.UserName))
- res = append(res, *NewTransaction(
+ res = append(res, NewTransaction(
TranServerMsg,
clientConn.ID,
NewField(FieldData, []byte("You are permanently banned on this server")),
NewField(FieldChatOptions, []byte{0, 0}),
))
- cc.Server.banList[strings.Split(clientConn.RemoteAddr, ":")[0]] = nil
- }
+ ip := strings.Split(clientConn.RemoteAddr, ":")[0]
- err := cc.Server.writeBanList()
- if err != nil {
- return res, err
+ err := cc.Server.BanList.Add(ip, nil)
+ if err != nil {
+ // TODO
+ }
}
}
clientConn.Disconnect()
}()
- return append(res, cc.NewReply(t)), err
+ return append(res, cc.NewReply(t))
}
// HandleGetNewsCatNameList returns a list of news categories for a path
// Fields used in the request:
// 325 News path (Optional)
-func HandleGetNewsCatNameList(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsReadArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
- return res, err
- }
-
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
- cats := cc.Server.GetNewsCatByPath(pathStrs)
-
- // To store the keys in slice in sorted order
- keys := make([]string, len(cats))
- i := 0
- for k := range cats {
- keys[i] = k
- i++
- }
- sort.Strings(keys)
-
- var fieldData []Field
- for _, k := range keys {
- cat := cats[k]
- b, _ := cat.MarshalBinary()
- fieldData = append(fieldData, NewField(
- FieldNewsCatListData15,
- b,
- ))
+func HandleGetNewsCatNameList(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsReadArt) {
+ return cc.NewErrReply(t, "You are not allowed to read news.")
+ }
+
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
+ if err != nil {
+
}
- res = append(res, cc.NewReply(t, fieldData...))
- return res, err
+ var fields []Field
+ for _, cat := range cc.Server.ThreadedNewsMgr.GetCategories(pathStrs) {
+ b, err := io.ReadAll(&cat)
+ if err != nil {
+ // TODO
+ }
+
+ fields = append(fields, NewField(FieldNewsCatListData15, b))
+ }
+
+ return append(res, cc.NewReply(t, fields...))
}
-func HandleNewNewsCat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsCreateCat) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to create news categories."))
- return res, err
+func HandleNewNewsCat(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsCreateCat) {
+ return cc.NewErrReply(t, "You are not allowed to create news categories.")
}
name := string(t.GetField(FieldNewsCatName).Data)
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
-
- cats := cc.Server.GetNewsCatByPath(pathStrs)
- cats[name] = NewsCategoryListData15{
- Name: name,
- Type: [2]byte{0, 3},
- Articles: map[uint32]*NewsArtData{},
- SubCats: make(map[string]NewsCategoryListData15),
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
+ if err != nil {
+ return res
}
- if err := cc.Server.writeThreadedNews(); err != nil {
- return res, err
+ err = cc.Server.ThreadedNewsMgr.CreateGrouping(pathStrs, name, NewsCategory)
+ if err != nil {
+ cc.logger.Error("error creating news category", "err", err)
}
- res = append(res, cc.NewReply(t))
- return res, err
+
+ return []Transaction{cc.NewReply(t)}
}
// Fields used in the request:
// 322 News category Name
// 325 News path
-func HandleNewNewsFldr(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsCreateFldr) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to create news folders."))
- return res, err
+func HandleNewNewsFldr(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsCreateFldr) {
+ return cc.NewErrReply(t, "You are not allowed to create news folders.")
}
name := string(t.GetField(FieldFileName).Data)
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
-
- cats := cc.Server.GetNewsCatByPath(pathStrs)
- cats[name] = NewsCategoryListData15{
- Name: name,
- Type: [2]byte{0, 2},
- Articles: map[uint32]*NewsArtData{},
- SubCats: make(map[string]NewsCategoryListData15),
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
+ if err != nil {
+ return res
}
- if err := cc.Server.writeThreadedNews(); err != nil {
- return res, err
+
+ err = cc.Server.ThreadedNewsMgr.CreateGrouping(pathStrs, name, NewsBundle)
+ if err != nil {
+ cc.logger.Error("error creating news bundle", "err", err)
}
- res = append(res, cc.NewReply(t))
- return res, err
+
+ return append(res, cc.NewReply(t))
}
// HandleGetNewsArtData gets the list of article names at the specified news path.
// Fields used in the reply:
// 321 News article list data Optional
-func HandleGetNewsArtNameList(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsReadArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
- return res, nil
+func HandleGetNewsArtNameList(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsReadArt) {
+ return cc.NewErrReply(t, "You are not allowed to read news.")
}
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
-
- var cat NewsCategoryListData15
- cats := cc.Server.ThreadedNews.Categories
-
- for _, fp := range pathStrs {
- cat = cats[fp]
- cats = cats[fp].SubCats
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
+ if err != nil {
+ return res
}
- nald := cat.GetNewsArtListData()
+ nald := cc.Server.ThreadedNewsMgr.ListArticles(pathStrs)
b, err := io.ReadAll(&nald)
if err != nil {
- return res, fmt.Errorf("error loading news articles: %w", err)
+ return res
}
- res = append(res, cc.NewReply(t, NewField(FieldNewsArtListData, b)))
- return res, nil
+ return append(res, cc.NewReply(t, NewField(FieldNewsArtListData, b)))
}
// HandleGetNewsArtData requests information about the specific news article.
//
// Request fields
// 325 News path
-// 326 News article ID
+// 326 News article Type
// 327 News article data flavor
//
// Fields used in the reply:
// 328 News article title
// 329 News article poster
// 330 News article date
-// 331 Previous article ID
-// 332 Next article ID
-// 335 Parent article ID
-// 336 First child article ID
+// 331 Previous article Type
+// 332 Next article Type
+// 335 Parent article Type
+// 336 First child article Type
// 327 News article data flavor "Should be “text/plain”
// 333 News article data Optional (if data flavor is “text/plain”)
-func HandleGetNewsArtData(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsReadArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
- return res, err
+func HandleGetNewsArtData(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsReadArt) {
+ return cc.NewErrReply(t, "You are not allowed to read news.")
}
- var cat NewsCategoryListData15
- cats := cc.Server.ThreadedNews.Categories
-
- for _, fp := range ReadNewsPath(t.GetField(FieldNewsPath).Data) {
- cat = cats[fp]
- cats = cats[fp].SubCats
+ newsPath, err := t.GetField(FieldNewsPath).DecodeNewsPath()
+ if err != nil {
+ return res
}
- // The official Hotline clients will send the article ID as 2 bytes if possible, but
- // some third party clients such as Frogblast and Heildrun will always send 4 bytes
- convertedID, err := byteToInt(t.GetField(FieldNewsArtID).Data)
+ convertedID, err := t.GetField(FieldNewsArtID).DecodeInt()
if err != nil {
- return res, err
+ return res
}
- art := cat.Articles[uint32(convertedID)]
+ art := cc.Server.ThreadedNewsMgr.GetArticle(newsPath, uint32(convertedID))
if art == nil {
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
res = append(res, cc.NewReply(t,
NewField(FieldNewsArtDataFlav, []byte("text/plain")),
NewField(FieldNewsArtData, []byte(art.Data)),
))
- return res, err
+ return res
}
-// HandleDelNewsItem deletes an existing threaded news folder or category from the server.
+// HandleDelNewsItem deletes a threaded news folder or category.
// Fields used in the request:
// 325 News path
// Fields used in the reply:
// None
-func HandleDelNewsItem(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
-
- cats := cc.Server.ThreadedNews.Categories
- delName := pathStrs[len(pathStrs)-1]
- if len(pathStrs) > 1 {
- for _, fp := range pathStrs[0 : len(pathStrs)-1] {
- cats = cats[fp].SubCats
- }
+func HandleDelNewsItem(cc *ClientConn, t *Transaction) (res []Transaction) {
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
+ if err != nil {
+ return res
}
- if cats[delName].Type == [2]byte{0, 3} {
- if !cc.Authorize(accessNewsDeleteCat) {
- return append(res, cc.NewErrReply(t, "You are not allowed to delete news categories.")), nil
+ item := cc.Server.ThreadedNewsMgr.NewsItem(pathStrs)
+
+ if item.Type == [2]byte{0, 3} {
+ if !cc.Authorize(AccessNewsDeleteCat) {
+ return cc.NewErrReply(t, "You are not allowed to delete news categories.")
}
} else {
- if !cc.Authorize(accessNewsDeleteFldr) {
- return append(res, cc.NewErrReply(t, "You are not allowed to delete news folders.")), nil
+ if !cc.Authorize(AccessNewsDeleteFldr) {
+ return cc.NewErrReply(t, "You are not allowed to delete news folders.")
}
}
- delete(cats, delName)
-
- if err := cc.Server.writeThreadedNews(); err != nil {
- return res, err
+ err = cc.Server.ThreadedNewsMgr.DeleteNewsItem(pathStrs)
+ if err != nil {
+ return res
}
- return append(res, cc.NewReply(t)), nil
+ return append(res, cc.NewReply(t))
}
-func HandleDelNewsArt(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsDeleteArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to delete news articles."))
- return res, err
+// HandleDelNewsArt deletes a threaded news article.
+// Request Fields
+// 325 News path
+// 326 News article Type
+// 337 News article recursive delete - Delete child articles (1) or not (0)
+func HandleDelNewsArt(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsDeleteArt) {
+ return cc.NewErrReply(t, "You are not allowed to delete news articles.")
+
}
- // Request Fields
- // 325 News path
- // 326 News article ID
- // 337 News article – recursive delete Delete child articles (1) or not (0)
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
- ID, err := byteToInt(t.GetField(FieldNewsArtID).Data)
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
if err != nil {
- return res, err
+ return res
}
- // TODO: Delete recursive
- cats := cc.Server.GetNewsCatByPath(pathStrs[:len(pathStrs)-1])
-
- catName := pathStrs[len(pathStrs)-1]
- cat := cats[catName]
+ articleID, err := t.GetField(FieldNewsArtID).DecodeInt()
+ if err != nil {
+ cc.logger.Error("error reading article Type", "err", err)
+ return
+ }
- delete(cat.Articles, uint32(ID))
+ deleteRecursive := bytes.Equal([]byte{0, 1}, t.GetField(FieldNewsArtRecurseDel).Data)
- cats[catName] = cat
- if err := cc.Server.writeThreadedNews(); err != nil {
- return res, err
+ err = cc.Server.ThreadedNewsMgr.DeleteArticle(pathStrs, uint32(articleID), deleteRecursive)
+ if err != nil {
+ cc.logger.Error("error deleting news article", "err", err)
}
- res = append(res, cc.NewReply(t))
- return res, err
+ return []Transaction{cc.NewReply(t)}
}
// Request fields
// 325 News path
-// 326 News article ID ID of the parent article?
+// 326 News article Type Type of the parent article?
// 328 News article title
// 334 News article flags
// 327 News article data flavor Currently “text/plain”
// 333 News article data
-func HandlePostNewsArt(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsPostArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to post news articles."))
- return res, err
+func HandlePostNewsArt(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsPostArt) {
+ return cc.NewErrReply(t, "You are not allowed to post news articles.")
}
- pathStrs := ReadNewsPath(t.GetField(FieldNewsPath).Data)
- cats := cc.Server.GetNewsCatByPath(pathStrs[:len(pathStrs)-1])
-
- catName := pathStrs[len(pathStrs)-1]
- cat := cats[catName]
-
- artID, err := byteToInt(t.GetField(FieldNewsArtID).Data)
+ pathStrs, err := t.GetField(FieldNewsPath).DecodeNewsPath()
if err != nil {
- return res, err
+ return res
}
- convertedArtID := uint32(artID)
- bs := make([]byte, 4)
- binary.BigEndian.PutUint32(bs, convertedArtID)
- cc.Server.mux.Lock()
- defer cc.Server.mux.Unlock()
-
- newArt := NewsArtData{
- Title: string(t.GetField(FieldNewsArtTitle).Data),
- Poster: string(cc.UserName),
- Date: toHotlineTime(time.Now()),
- PrevArt: [4]byte{},
- NextArt: [4]byte{},
- ParentArt: [4]byte(bs),
- FirstChildArt: [4]byte{},
- DataFlav: []byte("text/plain"),
- Data: string(t.GetField(FieldNewsArtData).Data),
- }
-
- var keys []int
- for k := range cat.Articles {
- keys = append(keys, int(k))
- }
-
- nextID := uint32(1)
- if len(keys) > 0 {
- sort.Ints(keys)
- prevID := uint32(keys[len(keys)-1])
- nextID = prevID + 1
-
- binary.BigEndian.PutUint32(newArt.PrevArt[:], prevID)
-
- // Set next article ID
- binary.BigEndian.PutUint32(cat.Articles[prevID].NextArt[:], nextID)
- }
-
- // Update parent article with first child reply
- parentID := convertedArtID
- if parentID != 0 {
- parentArt := cat.Articles[parentID]
-
- if parentArt.FirstChildArt == [4]byte{0, 0, 0, 0} {
- binary.BigEndian.PutUint32(parentArt.FirstChildArt[:], nextID)
- }
- }
-
- cat.Articles[nextID] = &newArt
-
- cats[catName] = cat
- if err := cc.Server.writeThreadedNews(); err != nil {
- return res, err
+ parentArticleID, err := t.GetField(FieldNewsArtID).DecodeInt()
+ if err != nil {
+ return res
+ }
+
+ err = cc.Server.ThreadedNewsMgr.PostArticle(
+ pathStrs,
+ uint32(parentArticleID),
+ NewsArtData{
+ Title: string(t.GetField(FieldNewsArtTitle).Data),
+ Poster: string(cc.UserName),
+ Date: toHotlineTime(time.Now()),
+ DataFlav: NewsFlavor,
+ Data: string(t.GetField(FieldNewsArtData).Data),
+ },
+ )
+ if err != nil {
+ cc.logger.Error("error posting news article", "err", err)
}
- res = append(res, cc.NewReply(t))
- return res, err
+ return append(res, cc.NewReply(t))
}
// HandleGetMsgs returns the flat news data
-func HandleGetMsgs(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessNewsReadArt) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to read news."))
- return res, err
+func HandleGetMsgs(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessNewsReadArt) {
+ return cc.NewErrReply(t, "You are not allowed to read news.")
}
- res = append(res, cc.NewReply(t, NewField(FieldData, cc.Server.FlatNews)))
+ _, _ = cc.Server.MessageBoard.Seek(0, 0)
+
+ newsData, err := io.ReadAll(cc.Server.MessageBoard)
+ if err != nil {
+ // TODO
+ }
- return res, err
+ return append(res, cc.NewReply(t, NewField(FieldData, newsData)))
}
-func HandleDownloadFile(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessDownloadFile) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to download files."))
- return res, err
+func HandleDownloadFile(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessDownloadFile) {
+ return cc.NewErrReply(t, "You are not allowed to download files.")
}
fileName := t.GetField(FieldFileName).Data
var frd FileResumeData
if resumeData != nil {
if err := frd.UnmarshalBinary(t.GetField(FieldFileResumeData).Data); err != nil {
- return res, err
+ return res
}
// TODO: handle rsrc fork offset
dataOffset = int64(binary.BigEndian.Uint32(frd.ForkInfoList[0].DataSize[:]))
fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
if err != nil {
- return res, err
+ return res
}
hlFile, err := newFileWrapper(cc.Server.FS, fullFilePath, dataOffset)
if err != nil {
- return res, err
+ return res
}
xferSize := hlFile.ffo.TransferSize(0)
if resumeData != nil {
var frd FileResumeData
if err := frd.UnmarshalBinary(t.GetField(FieldFileResumeData).Data); err != nil {
- return res, err
+ return res
}
ft.fileResumeData = &frd
}
- // Optional field for when a HL v1.5+ client requests file preview
+ // Optional field for when a client requests file preview
// Used only for TEXT, JPEG, GIFF, BMP or PICT files
// The value will always be 2
if t.GetField(FieldFileTransferOptions).Data != nil {
NewField(FieldFileSize, hlFile.ffo.FlatFileDataForkHeader.DataSize[:]),
))
- return res, err
+ return res
}
// Download all files from the specified folder and sub-folders
-func HandleDownloadFolder(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessDownloadFile) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to download folders."))
- return res, err
+func HandleDownloadFolder(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessDownloadFile) {
+ return cc.NewErrReply(t, "You are not allowed to download folders.")
}
fullFilePath, err := readPath(cc.Server.Config.FileRoot, t.GetField(FieldFilePath).Data, t.GetField(FieldFileName).Data)
if err != nil {
- return res, err
+ return res
}
transferSize, err := CalcTotalSize(fullFilePath)
if err != nil {
- return res, err
+ return res
}
itemCount, err := CalcItemCount(fullFilePath)
if err != nil {
- return res, err
+ return res
}
fileTransfer := cc.newFileTransfer(FolderDownload, t.GetField(FieldFileName).Data, t.GetField(FieldFilePath).Data, transferSize)
var fp FilePath
_, err = fp.Write(t.GetField(FieldFilePath).Data)
if err != nil {
- return res, err
+ return res
}
res = append(res, cc.NewReply(t,
- NewField(FieldRefNum, fileTransfer.ReferenceNumber),
+ NewField(FieldRefNum, fileTransfer.refNum[:]),
NewField(FieldTransferSize, transferSize),
NewField(FieldFolderItemCount, itemCount),
NewField(FieldWaitingCount, []byte{0x00, 0x00}), // TODO: Implement waiting count
))
- return res, err
+ return res
}
// Upload all files from the local folder and its subfolders to the specified path on the server
// 108 transfer size Total size of all items in the folder
// 220 Folder item count
// 204 File transfer options "Optional Currently set to 1" (TODO: ??)
-func HandleUploadFolder(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleUploadFolder(cc *ClientConn, t *Transaction) (res []Transaction) {
var fp FilePath
if t.GetField(FieldFilePath).Data != nil {
- if _, err = fp.Write(t.GetField(FieldFilePath).Data); err != nil {
- return res, err
+ if _, err := fp.Write(t.GetField(FieldFilePath).Data); err != nil {
+ return res
}
}
// Handle special cases for Upload and Drop Box folders
- if !cc.Authorize(accessUploadAnywhere) {
+ if !cc.Authorize(AccessUploadAnywhere) {
if !fp.IsUploadDir() && !fp.IsDropbox() {
- res = append(res, cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload of the folder \"%v\" because you are only allowed to upload to the \"Uploads\" folder.", string(t.GetField(FieldFileName).Data))))
- return res, err
+ return cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload of the folder \"%v\" because you are only allowed to upload to the \"Uploads\" folder.", string(t.GetField(FieldFileName).Data)))
}
}
fileTransfer.FolderItemCount = t.GetField(FieldFolderItemCount).Data
- res = append(res, cc.NewReply(t, NewField(FieldRefNum, fileTransfer.ReferenceNumber)))
- return res, err
+ return append(res, cc.NewReply(t, NewField(FieldRefNum, fileTransfer.refNum[:])))
}
// HandleUploadFile
// 204 File transfer options "Optional
// Used only to resume download, currently has value 2"
// 108 File transfer size "Optional used if download is not resumed"
-func HandleUploadFile(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessUploadFile) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to upload files."))
- return res, err
+func HandleUploadFile(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessUploadFile) {
+ return cc.NewErrReply(t, "You are not allowed to upload files.")
}
fileName := t.GetField(FieldFileName).Data
var fp FilePath
if filePath != nil {
- if _, err = fp.Write(filePath); err != nil {
- return res, err
+ if _, err := fp.Write(filePath); err != nil {
+ return res
}
}
// Handle special cases for Upload and Drop Box folders
- if !cc.Authorize(accessUploadAnywhere) {
+ if !cc.Authorize(AccessUploadAnywhere) {
if !fp.IsUploadDir() && !fp.IsDropbox() {
- res = append(res, cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload of the file \"%v\" because you are only allowed to upload to the \"Uploads\" folder.", string(fileName))))
- return res, err
+ return cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload of the file \"%v\" because you are only allowed to upload to the \"Uploads\" folder.", string(fileName)))
}
}
fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
if err != nil {
- return res, err
+ return res
}
if _, err := cc.Server.FS.Stat(fullFilePath); err == nil {
- res = append(res, cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload because there is already a file named \"%v\". Try choosing a different Name.", string(fileName))))
- return res, err
+ return cc.NewErrReply(t, fmt.Sprintf("Cannot accept upload because there is already a file named \"%v\". Try choosing a different Name.", string(fileName)))
}
ft := cc.newFileTransfer(FileUpload, fileName, filePath, transferSize)
- replyT := cc.NewReply(t, NewField(FieldRefNum, ft.ReferenceNumber))
+ replyT := cc.NewReply(t, NewField(FieldRefNum, ft.refNum[:]))
// client has requested to resume a partially transferred file
if transferOptions != nil {
fileInfo, err := cc.Server.FS.Stat(fullFilePath + incompleteFileSuffix)
if err != nil {
- return res, err
+ return res
}
offset := make([]byte, 4)
}
res = append(res, replyT)
- return res, err
+ return res
}
-func HandleSetClientUserInfo(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleSetClientUserInfo(cc *ClientConn, t *Transaction) (res []Transaction) {
if len(t.GetField(FieldUserIconID).Data) == 4 {
cc.Icon = t.GetField(FieldUserIconID).Data[2:]
} else {
cc.Icon = t.GetField(FieldUserIconID).Data
}
- if cc.Authorize(accessAnyName) {
+ if cc.Authorize(AccessAnyName) {
cc.UserName = t.GetField(FieldUserName).Data
}
options := t.GetField(FieldOptions).Data
if options != nil {
optBitmap := big.NewInt(int64(binary.BigEndian.Uint16(options)))
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(cc.Flags)))
- flagBitmap.SetBit(flagBitmap, UserFlagRefusePM, optBitmap.Bit(UserOptRefusePM))
- binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
+ //flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(cc.Flags[:])))
+ //flagBitmap.SetBit(flagBitmap, UserFlagRefusePM, optBitmap.Bit(UserOptRefusePM))
+ //binary.BigEndian.PutUint16(cc.Flags[:], uint16(flagBitmap.Int64()))
- flagBitmap.SetBit(flagBitmap, UserFlagRefusePChat, optBitmap.Bit(UserOptRefuseChat))
- binary.BigEndian.PutUint16(cc.Flags, uint16(flagBitmap.Int64()))
+ cc.Flags.Set(UserFlagRefusePM, optBitmap.Bit(UserOptRefusePM))
+ cc.Flags.Set(UserFlagRefusePChat, optBitmap.Bit(UserOptRefuseChat))
+ //
+ //flagBitmap.SetBit(flagBitmap, UserFlagRefusePChat, optBitmap.Bit(UserOptRefuseChat))
+ //binary.BigEndian.PutUint16(cc.Flags[:], uint16(flagBitmap.Int64()))
// Check auto response
if optBitmap.Bit(UserOptAutoResponse) == 1 {
}
}
- for _, c := range sortedClients(cc.Server.Clients) {
- res = append(res, *NewTransaction(
+ for _, c := range cc.Server.ClientMgr.List() {
+ res = append(res, NewTransaction(
TranNotifyChangeUser,
c.ID,
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
NewField(FieldUserIconID, cc.Icon),
- NewField(FieldUserFlags, cc.Flags),
+ NewField(FieldUserFlags, cc.Flags[:]),
NewField(FieldUserName, cc.UserName),
))
}
- return res, err
+ return res
}
// HandleKeepAlive responds to keepalive transactions with an empty reply
// * HL 1.9.2 Client sends keepalive msg every 3 minutes
// * HL 1.2.3 Client doesn't send keepalives
-func HandleKeepAlive(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleKeepAlive(cc *ClientConn, t *Transaction) (res []Transaction) {
res = append(res, cc.NewReply(t))
- return res, err
+ return res
}
-func HandleGetFileNameList(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleGetFileNameList(cc *ClientConn, t *Transaction) (res []Transaction) {
fullPath, err := readPath(
cc.Server.Config.FileRoot,
t.GetField(FieldFilePath).Data,
nil,
)
if err != nil {
- return res, fmt.Errorf("error reading file path: %w", err)
+ return res
}
var fp FilePath
if t.GetField(FieldFilePath).Data != nil {
if _, err = fp.Write(t.GetField(FieldFilePath).Data); err != nil {
- return res, fmt.Errorf("error writing file path: %w", err)
+ return res
}
}
// Handle special case for drop box folders
- if fp.IsDropbox() && !cc.Authorize(accessViewDropBoxes) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to view drop boxes."))
- return res, err
+ if fp.IsDropbox() && !cc.Authorize(AccessViewDropBoxes) {
+ return cc.NewErrReply(t, "You are not allowed to view drop boxes.")
}
fileNames, err := getFileNameList(fullPath, cc.Server.Config.IgnoreFiles)
if err != nil {
- return res, fmt.Errorf("getFileNameList: %w", err)
+ return res
}
res = append(res, cc.NewReply(t, fileNames...))
- return res, err
+ return res
}
// =================================
// Hotline private chat flow
// =================================
-// 1. ClientA sends TranInviteNewChat to server with user ID to invite
+// 1. ClientA sends TranInviteNewChat to server with user Type to invite
// 2. Server creates new ChatID
// 3. Server sends TranInviteToChat to invitee
-// 4. Server replies to ClientA with new Chat ID
+// 4. Server replies to ClientA with new Chat Type
//
// A dialog box pops up in the invitee client with options to accept or decline the invitation.
// If Accepted is clicked:
// 1. ClientB sends TranJoinChat with FieldChatID
// HandleInviteNewChat invites users to new private chat
-func HandleInviteNewChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessOpenChat) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to request private chat."))
- return res, err
+func HandleInviteNewChat(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessOpenChat) {
+ return cc.NewErrReply(t, "You are not allowed to request private chat.")
}
// Client to Invite
targetID := t.GetField(FieldUserID).Data
- newChatID := cc.Server.NewPrivateChat(cc)
- // Check if target user has "Refuse private chat" flag
- binary.BigEndian.Uint16(targetID)
- targetClient := cc.Server.Clients[binary.BigEndian.Uint16(targetID)]
+ // Create a new chat with self as initial member.
+ newChatID := cc.Server.ChatMgr.New(cc)
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(targetClient.Flags)))
+ // Check if target user has "Refuse private chat" flag
+ targetClient := cc.Server.ClientMgr.Get([2]byte(targetID))
+ flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(targetClient.Flags[:])))
if flagBitmap.Bit(UserFlagRefusePChat) == 1 {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranServerMsg,
cc.ID,
NewField(FieldData, []byte(string(targetClient.UserName)+" does not accept private chats.")),
NewField(FieldUserName, targetClient.UserName),
- NewField(FieldUserID, *targetClient.ID),
+ NewField(FieldUserID, targetClient.ID[:]),
NewField(FieldOptions, []byte{0, 2}),
),
)
} else {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranInviteToChat,
- &targetID,
- NewField(FieldChatID, newChatID),
+ [2]byte(targetID),
+ NewField(FieldChatID, newChatID[:]),
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
),
)
}
- res = append(res,
+ return append(
+ res,
cc.NewReply(t,
- NewField(FieldChatID, newChatID),
+ NewField(FieldChatID, newChatID[:]),
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
NewField(FieldUserIconID, cc.Icon),
- NewField(FieldUserFlags, cc.Flags),
+ NewField(FieldUserFlags, cc.Flags[:]),
),
)
-
- return res, err
}
-func HandleInviteToChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessOpenChat) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to request private chat."))
- return res, err
+func HandleInviteToChat(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessOpenChat) {
+ return cc.NewErrReply(t, "You are not allowed to request private chat.")
}
// Client to Invite
targetID := t.GetField(FieldUserID).Data
chatID := t.GetField(FieldChatID).Data
- res = append(res,
- *NewTransaction(
+ return []Transaction{
+ NewTransaction(
TranInviteToChat,
- &targetID,
+ [2]byte(targetID),
NewField(FieldChatID, chatID),
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
),
- )
- res = append(res,
cc.NewReply(
t,
NewField(FieldChatID, chatID),
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
NewField(FieldUserIconID, cc.Icon),
- NewField(FieldUserFlags, cc.Flags),
+ NewField(FieldUserFlags, cc.Flags[:]),
),
- )
-
- return res, err
+ }
}
-func HandleRejectChatInvite(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- chatID := t.GetField(FieldChatID).Data
- chatInt := binary.BigEndian.Uint32(chatID)
-
- privChat := cc.Server.PrivateChats[chatInt]
+func HandleRejectChatInvite(cc *ClientConn, t *Transaction) (res []Transaction) {
+ chatID := [4]byte(t.GetField(FieldChatID).Data)
- resMsg := append(cc.UserName, []byte(" declined invitation to chat")...)
-
- for _, c := range sortedClients(privChat.ClientConn) {
+ for _, c := range cc.Server.ChatMgr.Members(chatID) {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranChatMsg,
c.ID,
- NewField(FieldChatID, chatID),
- NewField(FieldData, resMsg),
+ NewField(FieldChatID, chatID[:]),
+ NewField(FieldData, append(cc.UserName, []byte(" declined invitation to chat")...)),
),
)
}
- return res, err
+ return res
}
// HandleJoinChat is sent from a v1.8+ Hotline client when the joins a private chat
// * 115 Chat subject
// * 300 User Name with info (Optional)
// * 300 (more user names with info)
-func HandleJoinChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleJoinChat(cc *ClientConn, t *Transaction) (res []Transaction) {
chatID := t.GetField(FieldChatID).Data
- chatInt := binary.BigEndian.Uint32(chatID)
-
- privChat := cc.Server.PrivateChats[chatInt]
// Send TranNotifyChatChangeUser to current members of the chat to inform of new user
- for _, c := range sortedClients(privChat.ClientConn) {
+ for _, c := range cc.Server.ChatMgr.Members([4]byte(chatID)) {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranNotifyChatChangeUser,
c.ID,
NewField(FieldChatID, chatID),
NewField(FieldUserName, cc.UserName),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
NewField(FieldUserIconID, cc.Icon),
- NewField(FieldUserFlags, cc.Flags),
+ NewField(FieldUserFlags, cc.Flags[:]),
),
)
}
- privChat.ClientConn[cc.uint16ID()] = cc
+ cc.Server.ChatMgr.Join(ChatID(chatID), cc)
- replyFields := []Field{NewField(FieldChatSubject, []byte(privChat.Subject))}
- for _, c := range sortedClients(privChat.ClientConn) {
+ subject := cc.Server.ChatMgr.GetSubject(ChatID(chatID))
+ replyFields := []Field{NewField(FieldChatSubject, []byte(subject))}
+ for _, c := range cc.Server.ChatMgr.Members([4]byte(chatID)) {
b, err := io.ReadAll(&User{
- ID: *c.ID,
+ ID: c.ID,
Icon: c.Icon,
- Flags: c.Flags,
+ Flags: c.Flags[:],
Name: string(c.UserName),
})
if err != nil {
- return res, nil
+ return res
}
replyFields = append(replyFields, NewField(FieldUsernameWithInfo, b))
}
- res = append(res, cc.NewReply(t, replyFields...))
- return res, err
+ return append(res, cc.NewReply(t, replyFields...))
}
// HandleLeaveChat is sent from a v1.8+ Hotline client when the user exits a private chat
// - 114 FieldChatID
//
// Reply is not expected.
-func HandleLeaveChat(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleLeaveChat(cc *ClientConn, t *Transaction) (res []Transaction) {
chatID := t.GetField(FieldChatID).Data
- chatInt := binary.BigEndian.Uint32(chatID)
-
- privChat, ok := cc.Server.PrivateChats[chatInt]
- if !ok {
- return res, nil
- }
- delete(privChat.ClientConn, cc.uint16ID())
+ cc.Server.ChatMgr.Leave([4]byte(chatID), cc.ID)
// Notify members of the private chat that the user has left
- for _, c := range sortedClients(privChat.ClientConn) {
+ for _, c := range cc.Server.ChatMgr.Members(ChatID(chatID)) {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranNotifyChatDeleteUser,
c.ID,
NewField(FieldChatID, chatID),
- NewField(FieldUserID, *cc.ID),
+ NewField(FieldUserID, cc.ID[:]),
),
)
}
- return res, err
+ return res
}
// HandleSetChatSubject is sent from a v1.8+ Hotline client when the user sets a private chat subject
// Fields used in the request:
-// * 114 Chat ID
+// * 114 Chat Type
// * 115 Chat subject
// Reply is not expected.
-func HandleSetChatSubject(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
+func HandleSetChatSubject(cc *ClientConn, t *Transaction) (res []Transaction) {
chatID := t.GetField(FieldChatID).Data
- chatInt := binary.BigEndian.Uint32(chatID)
- privChat := cc.Server.PrivateChats[chatInt]
- privChat.Subject = string(t.GetField(FieldChatSubject).Data)
+ cc.Server.ChatMgr.SetSubject([4]byte(chatID), string(t.GetField(FieldChatSubject).Data))
- for _, c := range sortedClients(privChat.ClientConn) {
+ // Notify chat members of new subject.
+ for _, c := range cc.Server.ChatMgr.Members([4]byte(chatID)) {
res = append(res,
- *NewTransaction(
+ NewTransaction(
TranNotifyChatSubject,
c.ID,
NewField(FieldChatID, chatID),
)
}
- return res, err
+ return res
}
// HandleMakeAlias makes a file alias using the specified path.
//
// Fields used in the reply:
// None
-func HandleMakeAlias(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- if !cc.Authorize(accessMakeAlias) {
- res = append(res, cc.NewErrReply(t, "You are not allowed to make aliases."))
- return res, err
+func HandleMakeAlias(cc *ClientConn, t *Transaction) (res []Transaction) {
+ if !cc.Authorize(AccessMakeAlias) {
+ return cc.NewErrReply(t, "You are not allowed to make aliases.")
}
fileName := t.GetField(FieldFileName).Data
filePath := t.GetField(FieldFilePath).Data
fullFilePath, err := readPath(cc.Server.Config.FileRoot, filePath, fileName)
if err != nil {
- return res, err
+ return res
}
fullNewFilePath, err := readPath(cc.Server.Config.FileRoot, fileNewPath, fileName)
if err != nil {
- return res, err
+ return res
}
cc.logger.Debug("Make alias", "src", fullFilePath, "dst", fullNewFilePath)
if err := cc.Server.FS.Symlink(fullFilePath, fullNewFilePath); err != nil {
- res = append(res, cc.NewErrReply(t, "Error creating alias"))
- return res, nil
+ return cc.NewErrReply(t, "Error creating alias")
}
res = append(res, cc.NewReply(t))
- return res, err
+ return res
}
// HandleDownloadBanner handles requests for a new banner from the server
// Fields used in the reply:
// 107 FieldRefNum Used later for transfer
// 108 FieldTransferSize Size of data to be downloaded
-func HandleDownloadBanner(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
- ft := cc.newFileTransfer(bannerDownload, []byte{}, []byte{}, make([]byte, 4))
+func HandleDownloadBanner(cc *ClientConn, t *Transaction) (res []Transaction) {
+ ft := cc.newFileTransfer(BannerDownload, []byte{}, []byte{}, make([]byte, 4))
binary.BigEndian.PutUint32(ft.TransferSize, uint32(len(cc.Server.banner)))
return append(res, cc.NewReply(t,
NewField(FieldRefNum, ft.refNum[:]),
NewField(FieldTransferSize, ft.TransferSize),
- )), err
+ ))
}
git.r.bdr.sh / rbdr / mobius / blobdiff