-type mockClientHandler struct {
- mock.Mock
-}
-
-func (mh *mockClientHandler) Handle(cc *Client, t *Transaction) ([]Transaction, error) {
- args := mh.Called(cc, t)
- return args.Get(0).([]Transaction), args.Error(1)
-}
-
-var clientHandlers = map[uint16]clientTHandler{
- // Server initiated
- tranChatMsg: clientTransaction{
- Name: "tranChatMsg",
- Handler: handleClientChatMsg,
- },
- tranLogin: clientTransaction{
- Name: "tranLogin",
- Handler: handleClientTranLogin,
- },
- tranShowAgreement: clientTransaction{
- Name: "tranShowAgreement",
- Handler: handleClientTranShowAgreement,
- },
- tranUserAccess: clientTransaction{
- Name: "tranUserAccess",
- Handler: handleClientTranUserAccess,
- },
- tranGetUserNameList: clientTransaction{
- Name: "tranGetUserNameList",
- Handler: handleClientGetUserNameList,
- },
- tranNotifyChangeUser: clientTransaction{
- Name: "tranNotifyChangeUser",
- Handler: handleNotifyChangeUser,
- },
- tranNotifyDeleteUser: clientTransaction{
- Name: "tranNotifyDeleteUser",
- Handler: handleNotifyDeleteUser,
- },
- tranGetMsgs: clientTransaction{
- Name: "tranNotifyDeleteUser",
- Handler: handleGetMsgs,
- },
- tranGetFileNameList: clientTransaction{
- Name: "tranGetFileNameList",
- Handler: handleGetFileNameList,
- },
-}
-
-func handleGetFileNameList(c *Client, t *Transaction) (res []Transaction, err error) {
- fTree := tview.NewTreeView().SetTopLevel(1)
- root := tview.NewTreeNode("Root")
- fTree.SetRoot(root).SetCurrentNode(root)
- fTree.SetBorder(true).SetTitle("| Files |")
- fTree.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
- switch event.Key() {
- case tcell.KeyEscape:
- c.UI.Pages.RemovePage("files")
- c.filePath = []string{}
- case tcell.KeyEnter:
- selectedNode := fTree.GetCurrentNode()
-
- if selectedNode.GetText() == "<- Back" {
- c.filePath = c.filePath[:len(c.filePath)-1]
- f := NewField(fieldFilePath, EncodeFilePath(strings.Join(c.filePath, "/")))
-
- if err := c.UI.HLClient.Send(*NewTransaction(tranGetFileNameList, nil, f)); err != nil {
- c.UI.HLClient.Logger.Errorw("err", "err", err)
- }
- return event
- }
-
- entry := selectedNode.GetReference().(*FileNameWithInfo)
-
- if bytes.Equal(entry.Type, []byte("fldr")) {
- c.Logger.Infow("get new directory listing", "name", string(entry.Name))
-
- c.filePath = append(c.filePath, string(entry.Name))
- f := NewField(fieldFilePath, EncodeFilePath(strings.Join(c.filePath, "/")))
-
- if err := c.UI.HLClient.Send(*NewTransaction(tranGetFileNameList, nil, f)); err != nil {
- c.UI.HLClient.Logger.Errorw("err", "err", err)
- }
- } else {
- // TODO: initiate file download
- c.Logger.Infow("download file", "name", string(entry.Name))
- }
- }
-
- return event
- })
-
- if len(c.filePath) > 0 {
- node := tview.NewTreeNode("<- Back")
- root.AddChild(node)
- }
-
- var fileList []FileNameWithInfo
- for _, f := range t.Fields {
- var fn FileNameWithInfo
- _, _ = fn.Read(f.Data)
- fileList = append(fileList, fn)
-
- if bytes.Equal(fn.Type, []byte("fldr")) {
- node := tview.NewTreeNode(fmt.Sprintf("[blue::]📁 %s[-:-:-]", fn.Name))
- node.SetReference(&fn)
- root.AddChild(node)
- } else {
- size := binary.BigEndian.Uint32(fn.FileSize) / 1024
-
- node := tview.NewTreeNode(fmt.Sprintf(" %-30s %15v KB", fn.Name, size))
- node.SetReference(&fn)
- root.AddChild(node)
- }
-
- }
-
- centerFlex := tview.NewFlex().
- AddItem(nil, 0, 1, false).
- AddItem(tview.NewFlex().
- SetDirection(tview.FlexRow).
- AddItem(nil, 0, 1, false).
- AddItem(fTree, 20, 1, true).
- AddItem(nil, 0, 1, false), 60, 1, true).
- AddItem(nil, 0, 1, false)
-
- c.UI.Pages.AddPage("files", centerFlex, true, true)
- c.UI.App.Draw()
-
- return res, err
-}
-
-func handleGetMsgs(c *Client, t *Transaction) (res []Transaction, err error) {
- newsText := string(t.GetField(fieldData).Data)
- newsText = strings.ReplaceAll(newsText, "\r", "\n")
-
- newsTextView := tview.NewTextView().
- SetText(newsText).
- SetDoneFunc(func(key tcell.Key) {
- c.UI.Pages.SwitchToPage("serverUI")
- c.UI.App.SetFocus(c.UI.chatInput)
- })
- newsTextView.SetBorder(true).SetTitle("News")
-
- c.UI.Pages.AddPage("news", newsTextView, true, true)
- //c.UI.Pages.SwitchToPage("news")
- //c.UI.App.SetFocus(newsTextView)
- c.UI.App.Draw()
-
- return res, err
-}
-
-func handleNotifyChangeUser(c *Client, t *Transaction) (res []Transaction, err error) {
- newUser := User{
- ID: t.GetField(fieldUserID).Data,
- Name: string(t.GetField(fieldUserName).Data),
- Icon: t.GetField(fieldUserIconID).Data,
- Flags: t.GetField(fieldUserFlags).Data,
- }
-
- // Possible cases:
- // user is new to the server
- // user is already on the server but has a new name
-
- var oldName string
- var newUserList []User
- updatedUser := false
- for _, u := range c.UserList {
- c.Logger.Debugw("Comparing Users", "userToUpdate", newUser.ID, "myID", u.ID, "userToUpdateName", newUser.Name, "myname", u.Name)
- if bytes.Equal(newUser.ID, u.ID) {
- oldName = u.Name
- u.Name = newUser.Name
- if u.Name != newUser.Name {
- _, _ = fmt.Fprintf(c.UI.chatBox, " <<< "+oldName+" is now known as "+newUser.Name+" >>>\n")
- }
- updatedUser = true
- }
- newUserList = append(newUserList, u)
- }
-
- if !updatedUser {
- newUserList = append(newUserList, newUser)
- }
-
- c.UserList = newUserList
-
- c.renderUserList()
-
- return res, err
-}
-
-func handleNotifyDeleteUser(c *Client, t *Transaction) (res []Transaction, err error) {
- exitUser := t.GetField(fieldUserID).Data
-
- var newUserList []User
- for _, u := range c.UserList {
- if !bytes.Equal(exitUser, u.ID) {
- newUserList = append(newUserList, u)
- }
- }
-
- c.UserList = newUserList
-
- c.renderUserList()
-
- return res, err
-}
-
-const readBuffSize = 1024000 // 1KB - TODO: what should this be?
-
-func (c *Client) ReadLoop() error {
- tranBuff := make([]byte, 0)
- tReadlen := 0
- // Infinite loop where take action on incoming client requests until the connection is closed
- for {
- buf := make([]byte, readBuffSize)
- tranBuff = tranBuff[tReadlen:]
-
- readLen, err := c.Connection.Read(buf)
- if err != nil {
- return err
- }
- tranBuff = append(tranBuff, buf[:readLen]...)
-
- // We may have read multiple requests worth of bytes from Connection.Read. readTransactions splits them
- // into a slice of transactions
- var transactions []Transaction
- if transactions, tReadlen, err = readTransactions(tranBuff); err != nil {
- c.Logger.Errorw("Error handling transaction", "err", err)
- }
-
- // iterate over all of the transactions that were parsed from the byte slice and handle them
- for _, t := range transactions {
- if err := c.HandleTransaction(&t); err != nil {
- c.Logger.Errorw("Error handling transaction", "err", err)
- }
- }
- }
-}
-
-func (c *Client) GetTransactions() error {
- tranBuff := make([]byte, 0)
- tReadlen := 0
-
- buf := make([]byte, readBuffSize)
- tranBuff = tranBuff[tReadlen:]
-
- readLen, err := c.Connection.Read(buf)
- if err != nil {
- return err
- }
- tranBuff = append(tranBuff, buf[:readLen]...)
-
- return nil
-}
-
-func handleClientGetUserNameList(c *Client, t *Transaction) (res []Transaction, err error) {
- var users []User
- for _, field := range t.Fields {
- // The Hotline protocol docs say that ClientGetUserNameList should only return fieldUsernameWithInfo (300)
- // fields, but shxd sneaks in fieldChatSubject (115) so it's important to filter explicitly for the expected
- // field type. Probably a good idea to do everywhere.
- if bytes.Equal(field.ID, []byte{0x01, 0x2c}) {
- u, err := ReadUser(field.Data)
- if err != nil {
- return res, err
- }
- users = append(users, *u)
- }
- }
- c.UserList = users
-
- c.renderUserList()
-
- return res, err
-}
-
-func (c *Client) renderUserList() {
- c.UI.userList.Clear()
- for _, u := range c.UserList {
- flagBitmap := big.NewInt(int64(binary.BigEndian.Uint16(u.Flags)))
- if flagBitmap.Bit(userFlagAdmin) == 1 {
- _, _ = fmt.Fprintf(c.UI.userList, "[red::b]%s[-:-:-]\n", u.Name)
- } else {
- _, _ = fmt.Fprintf(c.UI.userList, "%s\n", u.Name)
- }
- // TODO: fade if user is away
- }
-}
-
-func handleClientChatMsg(c *Client, t *Transaction) (res []Transaction, err error) {
- _, _ = fmt.Fprintf(c.UI.chatBox, "%s \n", t.GetField(fieldData).Data)
-
- return res, err
-}
-
-func handleClientTranUserAccess(c *Client, t *Transaction) (res []Transaction, err error) {
- c.UserAccess = t.GetField(fieldUserAccess).Data
-
- return res, err
-}
-
-func handleClientTranShowAgreement(c *Client, t *Transaction) (res []Transaction, err error) {
- agreement := string(t.GetField(fieldData).Data)
- agreement = strings.ReplaceAll(agreement, "\r", "\n")
-
- c.UI.agreeModal = tview.NewModal().
- SetText(agreement).
- AddButtons([]string{"Agree", "Disagree"}).
- SetDoneFunc(func(buttonIndex int, buttonLabel string) {
- if buttonIndex == 0 {
- res = append(res,
- *NewTransaction(
- tranAgreed, nil,
- NewField(fieldUserName, []byte(c.pref.Username)),
- NewField(fieldUserIconID, c.pref.IconBytes()),
- NewField(fieldUserFlags, []byte{0x00, 0x00}),
- NewField(fieldOptions, []byte{0x00, 0x00}),
- ),
- )
- c.UI.Pages.HidePage("agreement")
- c.UI.App.SetFocus(c.UI.chatInput)
- } else {
- _ = c.Disconnect()
- c.UI.Pages.SwitchToPage("home")
- }
- },
- )
-
- c.Logger.Debug("show agreement page")
- c.UI.Pages.AddPage("agreement", c.UI.agreeModal, false, true)
- c.UI.Pages.ShowPage("agreement ")
- c.UI.App.Draw()
-
- return res, err
-}
-
-func handleClientTranLogin(c *Client, t *Transaction) (res []Transaction, err error) {
- if !bytes.Equal(t.ErrorCode, []byte{0, 0, 0, 0}) {
- errMsg := string(t.GetField(fieldError).Data)
- errModal := tview.NewModal()
- errModal.SetText(errMsg)
- errModal.AddButtons([]string{"Oh no"})
- errModal.SetDoneFunc(func(buttonIndex int, buttonLabel string) {
- c.UI.Pages.RemovePage("errModal")
- })
- c.UI.Pages.RemovePage("joinServer")
- c.UI.Pages.AddPage("errModal", errModal, false, true)
-
- c.UI.App.Draw() // TODO: errModal doesn't render without this. wtf?
-
- c.Logger.Error(string(t.GetField(fieldError).Data))
- return nil, errors.New("login error: " + string(t.GetField(fieldError).Data))
- }
- c.UI.Pages.AddAndSwitchToPage("serverUI", c.UI.renderServerUI(), true)
- c.UI.App.SetFocus(c.UI.chatInput)
-
- if err := c.Send(*NewTransaction(tranGetUserNameList, nil)); err != nil {
- c.Logger.Errorw("err", "err", err)
- }
- return res, err
-}
-
git.r.bdr.sh / rbdr / mobius / blobdiff