waveterm/pkg/sstore/dbops.go
2022-12-25 13:21:48 -08:00

1636 lines
54 KiB
Go

package sstore
import (
"context"
"fmt"
"strconv"
"strings"
"time"
"github.com/google/uuid"
"github.com/scripthaus-dev/mshell/pkg/base"
"github.com/scripthaus-dev/mshell/pkg/packet"
"github.com/scripthaus-dev/mshell/pkg/shexec"
"github.com/scripthaus-dev/sh2-server/pkg/scbase"
)
const HistoryCols = "historyid, ts, userid, sessionid, screenid, windowid, lineid, cmdid, haderror, cmdstr, remoteownerid, remoteid, remotename, ismetacmd, incognito"
const DefaultMaxHistoryItems = 1000
func NumSessions(ctx context.Context) (int, error) {
var numSessions int
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := "SELECT count(*) FROM session"
numSessions = tx.GetInt(query)
return nil
})
return numSessions, txErr
}
func GetAllRemotes(ctx context.Context) ([]*RemoteType, error) {
var rtn []*RemoteType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote ORDER BY remoteidx`
marr := tx.SelectMaps(query)
for _, m := range marr {
rtn = append(rtn, RemoteFromMap(m))
}
return nil
})
if err != nil {
return nil, err
}
return rtn, nil
}
func GetRemoteByAlias(ctx context.Context, alias string) (*RemoteType, error) {
var remote *RemoteType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote WHERE remotealias = ?`
m := tx.GetMap(query, alias)
remote = RemoteFromMap(m)
return nil
})
if err != nil {
return nil, err
}
return remote, nil
}
func GetRemoteById(ctx context.Context, remoteId string) (*RemoteType, error) {
var remote *RemoteType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote WHERE remoteid = ?`
m := tx.GetMap(query, remoteId)
remote = RemoteFromMap(m)
return nil
})
if err != nil {
return nil, err
}
return remote, nil
}
func GetLocalRemote(ctx context.Context) (*RemoteType, error) {
var remote *RemoteType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote WHERE local`
m := tx.GetMap(query)
remote = RemoteFromMap(m)
return nil
})
if err != nil {
return nil, err
}
return remote, nil
}
func GetRemoteByCanonicalName(ctx context.Context, cname string) (*RemoteType, error) {
var remote *RemoteType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote WHERE remotecanonicalname = ?`
m := tx.GetMap(query, cname)
remote = RemoteFromMap(m)
return nil
})
if err != nil {
return nil, err
}
return remote, nil
}
func GetRemoteByPhysicalId(ctx context.Context, physicalId string) (*RemoteType, error) {
var remote *RemoteType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote WHERE physicalid = ?`
m := tx.GetMap(query, physicalId)
remote = RemoteFromMap(m)
return nil
})
if err != nil {
return nil, err
}
return remote, nil
}
func UpsertRemote(ctx context.Context, r *RemoteType) error {
if r == nil {
return fmt.Errorf("cannot insert nil remote")
}
if r.RemoteId == "" {
return fmt.Errorf("cannot insert remote without id")
}
if r.RemoteCanonicalName == "" {
return fmt.Errorf("cannot insert remote with canonicalname")
}
if r.RemoteType == "" {
return fmt.Errorf("cannot insert remote without type")
}
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT remoteid FROM remote WHERE remoteid = ?`
if tx.Exists(query, r.RemoteId) {
tx.ExecWrap(`DELETE FROM remote WHERE remoteid = ?`, r.RemoteId)
}
query = `SELECT remoteid FROM remote WHERE remotecanonicalname = ?`
if tx.Exists(query, r.RemoteCanonicalName) {
return fmt.Errorf("remote has duplicate canonicalname '%s', cannot create", r.RemoteCanonicalName)
}
query = `SELECT remoteid FROM remote WHERE remotealias = ?`
if r.RemoteAlias != "" && tx.Exists(query, r.RemoteAlias) {
return fmt.Errorf("remote has duplicate alias '%s', cannot create", r.RemoteAlias)
}
query = `SELECT COALESCE(max(remoteidx), 0) FROM remote`
maxRemoteIdx := tx.GetInt(query)
r.RemoteIdx = int64(maxRemoteIdx + 1)
query = `INSERT INTO remote
( remoteid, physicalid, remotetype, remotealias, remotecanonicalname, remotesudo, remoteuser, remotehost, connectmode, autoinstall, sshopts, remoteopts, lastconnectts, archived, remoteidx, local) VALUES
(:remoteid,:physicalid,:remotetype,:remotealias,:remotecanonicalname,:remotesudo,:remoteuser,:remotehost,:connectmode,:autoinstall,:sshopts,:remoteopts,:lastconnectts,:archived,:remoteidx,:local)`
tx.NamedExecWrap(query, r.ToMap())
return nil
})
return txErr
}
func InsertHistoryItem(ctx context.Context, hitem *HistoryItemType) error {
if hitem == nil {
return fmt.Errorf("cannot insert nil history item")
}
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `INSERT INTO history
( historyid, ts, userid, sessionid, screenid, windowid, lineid, cmdid, haderror, cmdstr, remoteownerid, remoteid, remotename, ismetacmd, incognito) VALUES
(:historyid,:ts,:userid,:sessionid,:screenid,:windowid,:lineid,:cmdid,:haderror,:cmdstr,:remoteownerid,:remoteid,:remotename,:ismetacmd,:incognito)`
tx.NamedExecWrap(query, hitem.ToMap())
return nil
})
return txErr
}
func IsIncognitoScreen(ctx context.Context, sessionId string, screenId string) (bool, error) {
var rtn bool
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT incognito FROM screen WHERE sessionid = ? AND screenid = ?`
tx.GetWrap(&rtn, query, sessionId, screenId)
return nil
})
return rtn, txErr
}
func runHistoryQuery(tx *TxWrap, sessionId string, windowId string, opts HistoryQueryOpts) ([]*HistoryItemType, error) {
// check sessionid/windowid format because we are directly inserting them into the SQL
if sessionId != "" {
_, err := uuid.Parse(sessionId)
if err != nil {
return nil, fmt.Errorf("malformed sessionid")
}
}
if windowId != "" {
_, err := uuid.Parse(windowId)
if err != nil {
return nil, fmt.Errorf("malformed windowid")
}
}
hnumStr := ""
whereClause := ""
if sessionId != "" && windowId != "" {
whereClause = fmt.Sprintf("WHERE sessionid = '%s' AND windowid = '%s'", sessionId, windowId)
hnumStr = "w"
} else if sessionId != "" {
whereClause = fmt.Sprintf("WHERE sessionid = '%s'", sessionId)
hnumStr = "s"
} else {
hnumStr = "g"
}
maxItems := opts.MaxItems
if maxItems == 0 {
maxItems = DefaultMaxHistoryItems
}
query := fmt.Sprintf("SELECT %s, '%s' || row_number() OVER win AS historynum FROM history %s WINDOW win AS (ORDER BY ts, historyid) ORDER BY ts DESC, historyid DESC LIMIT %d", HistoryCols, hnumStr, whereClause, maxItems)
if opts.FromTs > 0 {
query = fmt.Sprintf("SELECT * FROM (%s) WHERE ts >= %d", query, opts.FromTs)
}
marr := tx.SelectMaps(query)
rtn := make([]*HistoryItemType, len(marr))
for idx, m := range marr {
hitem := HistoryItemFromMap(m)
rtn[idx] = hitem
}
return rtn, nil
}
func GetHistoryItems(ctx context.Context, sessionId string, windowId string, opts HistoryQueryOpts) ([]*HistoryItemType, error) {
var rtn []*HistoryItemType
txErr := WithTx(ctx, func(tx *TxWrap) error {
var err error
rtn, err = runHistoryQuery(tx, sessionId, windowId, opts)
if err != nil {
return err
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
// includes archived sessions
func GetBareSessions(ctx context.Context) ([]*SessionType, error) {
var rtn []*SessionType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM session ORDER BY sessionidx`
tx.SelectWrap(&rtn, query)
return nil
})
if err != nil {
return nil, err
}
return rtn, nil
}
// does not include archived
func GetAllSessionIds(ctx context.Context) ([]string, error) {
var rtn []string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid from session WHERE NOT archived ORDER by sessionidx`
rtn = tx.SelectStrings(query)
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func GetBareSessionById(ctx context.Context, sessionId string) (*SessionType, error) {
var rtn SessionType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM session WHERE sessionid = ?`
tx.GetWrap(&rtn, query, sessionId)
return nil
})
if txErr != nil {
return nil, txErr
}
if rtn.SessionId == "" {
return nil, nil
}
return &rtn, nil
}
func GetAllSessions(ctx context.Context) (*ModelUpdate, error) {
var rtn []*SessionType
var activeSessionId string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM session`
tx.SelectWrap(&rtn, query)
sessionMap := make(map[string]*SessionType)
for _, session := range rtn {
sessionMap[session.SessionId] = session
session.Full = true
}
var screens []*ScreenType
query = `SELECT * FROM screen ORDER BY archived, screenidx, archivedts`
tx.SelectWrap(&screens, query)
screenMap := make(map[string][]*ScreenType)
for _, screen := range screens {
screenArr := screenMap[screen.SessionId]
screenArr = append(screenArr, screen)
screenMap[screen.SessionId] = screenArr
}
for _, session := range rtn {
session.Screens = screenMap[session.SessionId]
}
var sws []*ScreenWindowType
query = `SELECT * FROM screen_window`
tx.SelectWrap(&sws, query)
screenIdMap := make(map[string]*ScreenType)
for _, screen := range screens {
screenIdMap[screen.SessionId+screen.ScreenId] = screen
}
for _, sw := range sws {
screen := screenIdMap[sw.SessionId+sw.ScreenId]
if screen == nil {
continue
}
screen.Windows = append(screen.Windows, sw)
}
query = `SELECT * FROM remote_instance`
riMaps := tx.SelectMaps(query)
for _, m := range riMaps {
ri := RIFromMap(m)
s := sessionMap[ri.SessionId]
if s != nil {
s.Remotes = append(s.Remotes, ri)
}
}
query = `SELECT activesessionid FROM client`
activeSessionId = tx.GetString(query)
return nil
})
if txErr != nil {
return nil, txErr
}
return &ModelUpdate{Sessions: rtn, ActiveSessionId: activeSessionId}, nil
}
func GetWindowById(ctx context.Context, sessionId string, windowId string) (*WindowType, error) {
var rtnWindow *WindowType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM window WHERE sessionid = ? AND windowid = ?`
m := tx.GetMap(query, sessionId, windowId)
if m == nil {
return nil
}
rtnWindow = WindowFromMap(m)
query = `SELECT * FROM line WHERE sessionid = ? AND windowid = ? ORDER BY linenum`
tx.SelectWrap(&rtnWindow.Lines, query, sessionId, windowId)
query = `SELECT * FROM cmd WHERE cmdid IN (SELECT cmdid FROM line WHERE sessionid = ? AND windowid = ?)`
cmdMaps := tx.SelectMaps(query, sessionId, windowId)
for _, m := range cmdMaps {
rtnWindow.Cmds = append(rtnWindow.Cmds, CmdFromMap(m))
}
return nil
})
return rtnWindow, err
}
// includes archived screens
func GetSessionScreens(ctx context.Context, sessionId string) ([]*ScreenType, error) {
var rtn []*ScreenType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM screen WHERE sessionid = ? ORDER BY archived, screenidx, archivedts`
tx.SelectWrap(&rtn, query, sessionId)
return nil
})
return rtn, txErr
}
func GetSessionById(ctx context.Context, id string) (*SessionType, error) {
allSessionsUpdate, err := GetAllSessions(ctx)
if err != nil {
return nil, err
}
allSessions := allSessionsUpdate.Sessions
for _, session := range allSessions {
if session.SessionId == id {
return session, nil
}
}
return nil, nil
}
func GetSessionByName(ctx context.Context, name string) (*SessionType, error) {
var session *SessionType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM session WHERE name = ?`
sessionId := tx.GetString(query, name)
if sessionId == "" {
return nil
}
var err error
session, err = GetSessionById(tx.Context(), sessionId)
if err != nil {
return err
}
return nil
})
if txErr != nil {
return nil, txErr
}
return session, nil
}
// also creates default window, returns sessionId
// if sessionName == "", it will be generated
func InsertSessionWithName(ctx context.Context, sessionName string, activate bool) (UpdatePacket, error) {
newSessionId := scbase.GenPromptUUID()
txErr := WithTx(ctx, func(tx *TxWrap) error {
names := tx.SelectStrings(`SELECT name FROM session`)
sessionName = fmtUniqueName(sessionName, "session-%d", len(names)+1, names)
maxSessionIdx := tx.GetInt(`SELECT COALESCE(max(sessionidx), 0) FROM session`)
query := `INSERT INTO session (sessionid, name, activescreenid, sessionidx, notifynum, archived, archivedts, ownerid, sharemode, accesskey)
VALUES (?, ?, '', ?, ?, 0, 0, '', 'local', '')`
tx.ExecWrap(query, newSessionId, sessionName, maxSessionIdx+1, 0)
_, err := InsertScreen(tx.Context(), newSessionId, "", true)
if err != nil {
return err
}
if activate {
query = `UPDATE client SET activesessionid = ?`
tx.ExecWrap(query, newSessionId)
}
return nil
})
if txErr != nil {
return nil, txErr
}
session, err := GetSessionById(ctx, newSessionId)
if err != nil {
return nil, err
}
update := ModelUpdate{
Sessions: []*SessionType{session},
}
if activate {
update.ActiveSessionId = newSessionId
}
return update, nil
}
func SetActiveSessionId(ctx context.Context, sessionId string) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM session WHERE sessionid = ? AND NOT archived`
if !tx.Exists(query, sessionId) {
return fmt.Errorf("cannot switch to session, not found")
}
query = `UPDATE client SET activesessionid = ?`
tx.ExecWrap(query, sessionId)
return nil
})
return txErr
}
func GetActiveSessionId(ctx context.Context) (string, error) {
var rtnId string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT activesessionid FROM client`
rtnId = tx.GetString(query)
return nil
})
return rtnId, txErr
}
func SetWinSize(ctx context.Context, winSize ClientWinSizeType) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE client SET winsize = ?`
tx.ExecWrap(query, quickJson(winSize))
return nil
})
return txErr
}
func containsStr(strs []string, testStr string) bool {
for _, s := range strs {
if s == testStr {
return true
}
}
return false
}
func fmtUniqueName(name string, defaultFmtStr string, startIdx int, strs []string) string {
var fmtStr string
if name != "" {
if !containsStr(strs, name) {
return name
}
fmtStr = name + "-%d"
startIdx = 2
} else {
fmtStr = defaultFmtStr
}
if strings.Index(fmtStr, "%d") == -1 {
panic("invalid fmtStr: " + fmtStr)
}
for {
testName := fmt.Sprintf(fmtStr, startIdx)
if containsStr(strs, testName) {
startIdx++
continue
}
return testName
}
}
func InsertScreen(ctx context.Context, sessionId string, origScreenName string, activate bool) (UpdatePacket, error) {
var newScreenId string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM session WHERE sessionid = ? AND NOT archived`
if !tx.Exists(query, sessionId) {
return fmt.Errorf("cannot create screen, no session found")
}
remoteId := tx.GetString(`SELECT remoteid FROM remote WHERE remotealias = ?`, LocalRemoteAlias)
if remoteId == "" {
return fmt.Errorf("cannot create screen, no local remote found")
}
newWindowId := txCreateWindow(tx, sessionId, RemotePtrType{RemoteId: remoteId})
maxScreenIdx := tx.GetInt(`SELECT COALESCE(max(screenidx), 0) FROM screen WHERE sessionid = ? AND NOT archived`, sessionId)
screenNames := tx.SelectStrings(`SELECT name FROM screen WHERE sessionid = ? AND NOT archived`, sessionId)
screenName := fmtUniqueName(origScreenName, "s%d", maxScreenIdx+1, screenNames)
newScreenId = scbase.GenPromptUUID()
query = `INSERT INTO screen (sessionid, screenid, name, activewindowid, screenidx, screenopts, ownerid, sharemode, incognito, archived, archivedts) VALUES (?, ?, ?, ?, ?, ?, '', 'local', 0, 0, 0)`
tx.ExecWrap(query, sessionId, newScreenId, screenName, newWindowId, maxScreenIdx+1, ScreenOptsType{})
layout := LayoutType{Type: LayoutFull}
query = `INSERT INTO screen_window (sessionid, screenid, windowid, name, layout, selectedline, anchor, focustype) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`
tx.ExecWrap(query, sessionId, newScreenId, newWindowId, DefaultScreenWindowName, layout, 0, SWAnchorType{}, "input")
if activate {
query = `UPDATE session SET activescreenid = ? WHERE sessionid = ?`
tx.ExecWrap(query, newScreenId, sessionId)
}
return nil
})
newScreen, err := GetScreenById(ctx, sessionId, newScreenId)
if err != nil {
return nil, err
}
update, session := MakeSingleSessionUpdate(sessionId)
if activate {
session.ActiveScreenId = newScreenId
}
session.Screens = append(session.Screens, newScreen)
return update, txErr
}
func GetScreenById(ctx context.Context, sessionId string, screenId string) (*ScreenType, error) {
var rtnScreen *ScreenType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM screen WHERE sessionid = ? AND screenid = ?`
var screen ScreenType
found := tx.GetWrap(&screen, query, sessionId, screenId)
if !found {
return nil
}
rtnScreen = &screen
query = `SELECT * FROM screen_window WHERE sessionid = ? AND screenid = ?`
tx.SelectWrap(&screen.Windows, query, sessionId, screenId)
screen.Full = true
return nil
})
if txErr != nil {
return nil, txErr
}
return rtnScreen, nil
}
func txCreateWindow(tx *TxWrap, sessionId string, curRemote RemotePtrType) string {
w := &WindowType{
SessionId: sessionId,
WindowId: scbase.GenPromptUUID(),
CurRemote: curRemote,
NextLineNum: 1,
WinOpts: WindowOptsType{},
ShareMode: ShareModeLocal,
ShareOpts: WindowShareOptsType{},
}
wmap := w.ToMap()
query := `INSERT INTO window ( sessionid, windowid, curremoteownerid, curremoteid, curremotename, nextlinenum, winopts, ownerid, sharemode, shareopts)
VALUES (:sessionid,:windowid,:curremoteownerid,:curremoteid,:curremotename,:nextlinenum,:winopts,:ownerid,:sharemode,:shareopts)`
tx.NamedExecWrap(query, wmap)
return w.WindowId
}
func FindLineIdByArg(ctx context.Context, sessionId string, windowId string, lineArg string) (string, error) {
var lineId string
txErr := WithTx(ctx, func(tx *TxWrap) error {
lineNum, err := strconv.Atoi(lineArg)
if err == nil {
// valid linenum
query := `SELECT lineid FROM line WHERE sessionid = ? AND windowid = ? AND linenum = ?`
lineId = tx.GetString(query, sessionId, windowId, lineNum)
} else if len(lineArg) == 8 {
// prefix id string match
query := `SELECT lineid FROM line WHERE sessionid = ? AND windowid = ? AND substr(lineid, 1, 8) = ?`
lineId = tx.GetString(query, sessionId, windowId, lineArg)
} else {
// id match
query := `SELECT lineid FROM line WHERE sessionid = ? AND windowid = ? AND lineid = ?`
lineId = tx.GetString(query, sessionId, windowId, lineArg)
}
return nil
})
if txErr != nil {
return "", txErr
}
return lineId, nil
}
func GetLineCmdByLineId(ctx context.Context, sessionId string, windowId string, lineId string) (*LineType, *CmdType, error) {
var lineRtn *LineType
var cmdRtn *CmdType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
if !tx.Exists(query, sessionId, windowId) {
return fmt.Errorf("window not found")
}
var lineVal LineType
query = `SELECT * FROM line WHERE sessionid = ? AND windowid = ? AND lineid = ?`
found := tx.GetWrap(&lineVal, query, sessionId, windowId, lineId)
if !found {
return nil
}
lineRtn = &lineVal
if lineVal.CmdId != "" {
query = `SELECT * FROM cmd WHERE sessionid = ? AND cmdid = ?`
m := tx.GetMap(query, sessionId, lineVal.CmdId)
cmdRtn = CmdFromMap(m)
}
return nil
})
if txErr != nil {
return nil, nil, txErr
}
return lineRtn, cmdRtn, nil
}
func GetLineCmdByCmdId(ctx context.Context, sessionId string, windowId string, cmdId string) (*LineType, *CmdType, error) {
var lineRtn *LineType
var cmdRtn *CmdType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
if !tx.Exists(query, sessionId, windowId) {
return fmt.Errorf("window not found")
}
var lineVal LineType
query = `SELECT * FROM line WHERE sessionid = ? AND windowid = ? AND cmdid = ?`
found := tx.GetWrap(&lineVal, query, sessionId, windowId, cmdId)
if !found {
return nil
}
lineRtn = &lineVal
query = `SELECT * FROM cmd WHERE sessionid = ? AND cmdid = ?`
m := tx.GetMap(query, sessionId, cmdId)
cmdRtn = CmdFromMap(m)
return nil
})
if txErr != nil {
return nil, nil, txErr
}
return lineRtn, cmdRtn, nil
}
func InsertLine(ctx context.Context, line *LineType, cmd *CmdType) error {
if line == nil {
return fmt.Errorf("line cannot be nil")
}
if line.LineId == "" {
return fmt.Errorf("line must have lineid set")
}
if line.LineNum != 0 {
return fmt.Errorf("line should not hage linenum set")
}
return WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
if !tx.Exists(query, line.SessionId, line.WindowId) {
return fmt.Errorf("window not found, cannot insert line[%s/%s]", line.SessionId, line.WindowId)
}
query = `SELECT nextlinenum FROM window WHERE sessionid = ? AND windowid = ?`
nextLineNum := tx.GetInt(query, line.SessionId, line.WindowId)
line.LineNum = int64(nextLineNum)
query = `INSERT INTO line ( sessionid, windowid, userid, lineid, ts, linenum, linenumtemp, linelocal, linetype, text, cmdid, ephemeral, contentheight, star, hidden)
VALUES (:sessionid,:windowid,:userid,:lineid,:ts,:linenum,:linenumtemp,:linelocal,:linetype,:text,:cmdid,:ephemeral,:contentheight,:star,:hidden)`
tx.NamedExecWrap(query, line)
query = `UPDATE window SET nextlinenum = ? WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, nextLineNum+1, line.SessionId, line.WindowId)
if cmd != nil {
cmd.OrigTermOpts = cmd.TermOpts
cmdMap := cmd.ToMap()
query = `
INSERT INTO cmd ( sessionid, cmdid, remoteownerid, remoteid, remotename, cmdstr, festate, statebasehash, statediffhasharr, termopts, origtermopts, status, startpk, doneinfo, rtnstate, runout, rtnbasehash, rtndiffhasharr)
VALUES (:sessionid,:cmdid,:remoteownerid,:remoteid,:remotename,:cmdstr,:festate,:statebasehash,:statediffhasharr,:termopts,:origtermopts,:status,:startpk,:doneinfo,:rtnstate,:runout,:rtnbasehash,:rtndiffhasharr)
`
tx.NamedExecWrap(query, cmdMap)
}
return nil
})
}
func GetCmdById(ctx context.Context, sessionId string, cmdId string) (*CmdType, error) {
var cmd *CmdType
err := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM cmd WHERE sessionid = ? AND cmdid = ?`
m := tx.GetMap(query, sessionId, cmdId)
cmd = CmdFromMap(m)
return nil
})
if err != nil {
return nil, err
}
return cmd, nil
}
func HasDoneInfo(ctx context.Context, ck base.CommandKey) (bool, error) {
var found bool
txErr := WithTx(ctx, func(tx *TxWrap) error {
found = tx.Exists(`SELECT sessionid FROM cmd WHERE sessionid = ? AND cmdid = ? AND doneinfo is NOT NULL`, ck.GetSessionId(), ck.GetCmdId())
return nil
})
if txErr != nil {
return false, txErr
}
return found, nil
}
func UpdateCmdDoneInfo(ctx context.Context, ck base.CommandKey, doneInfo *CmdDoneInfo) (*ModelUpdate, error) {
if doneInfo == nil {
return nil, fmt.Errorf("invalid cmddone packet")
}
if ck.IsEmpty() {
return nil, fmt.Errorf("cannot update cmddoneinfo, empty ck")
}
var rtnCmd *CmdType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET status = ?, doneinfo = ? WHERE sessionid = ? AND cmdid = ?`
tx.ExecWrap(query, CmdStatusDone, quickJson(doneInfo), ck.GetSessionId(), ck.GetCmdId())
var err error
rtnCmd, err = GetCmdById(tx.Context(), ck.GetSessionId(), ck.GetCmdId())
if err != nil {
return err
}
return nil
})
if txErr != nil {
return nil, txErr
}
if rtnCmd == nil {
return nil, fmt.Errorf("cmd data not found for ck[%s]", ck)
}
return &ModelUpdate{Cmd: rtnCmd}, nil
}
func UpdateCmdRtnState(ctx context.Context, ck base.CommandKey, statePtr ShellStatePtr) error {
if ck.IsEmpty() {
return fmt.Errorf("cannot update cmdrtnstate, empty ck")
}
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET rtnbasehash = ?, rtndiffhasharr = ? WHERE sessionid = ? AND cmdid = ?`
tx.ExecWrap(query, statePtr.BaseHash, quickJsonArr(statePtr.DiffHashArr), ck.GetSessionId(), ck.GetCmdId())
return nil
})
if txErr != nil {
return txErr
}
return nil
}
func AppendCmdErrorPk(ctx context.Context, errPk *packet.CmdErrorPacketType) error {
if errPk == nil || errPk.CK.IsEmpty() {
return fmt.Errorf("invalid cmderror packet (no ck)")
}
return WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET runout = json_insert(runout, '$[#]', ?) WHERE sessionid = ? AND cmdid = ?`
tx.ExecWrap(query, quickJson(errPk), errPk.CK.GetSessionId(), errPk.CK.GetCmdId())
return nil
})
}
func HangupAllRunningCmds(ctx context.Context) error {
return WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET status = ? WHERE status = ?`
tx.ExecWrap(query, CmdStatusHangup, CmdStatusRunning)
return nil
})
}
func HangupRunningCmdsByRemoteId(ctx context.Context, remoteId string) error {
return WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET status = ? WHERE status = ? AND remoteid = ?`
tx.ExecWrap(query, CmdStatusHangup, CmdStatusRunning, remoteId)
return nil
})
}
func HangupCmd(ctx context.Context, ck base.CommandKey) error {
return WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET status = ? WHERE sessionid = ? AND cmdid = ?`
tx.ExecWrap(query, CmdStatusHangup, ck.GetSessionId(), ck.GetCmdId())
return nil
})
}
func getNextId(ids []string, delId string) string {
if len(ids) == 0 {
return ""
}
if len(ids) == 1 {
if ids[0] == delId {
return ""
}
return ids[0]
}
for idx := 0; idx < len(ids); idx++ {
if ids[idx] == delId {
var rtnIdx int
if idx == len(ids)-1 {
rtnIdx = idx - 1
} else {
rtnIdx = idx + 1
}
return ids[rtnIdx]
}
}
return ids[0]
}
func SwitchScreenById(ctx context.Context, sessionId string, screenId string) (UpdatePacket, error) {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ? AND NOT archived`
if !tx.Exists(query, sessionId, screenId) {
return fmt.Errorf("cannot switch to screen, screen=%s does not exist in session=%s", screenId, sessionId)
}
query = `UPDATE session SET activescreenid = ? WHERE sessionid = ?`
tx.ExecWrap(query, screenId, sessionId)
return nil
})
update, session := MakeSingleSessionUpdate(sessionId)
session.ActiveScreenId = screenId
return update, txErr
}
func CleanWindows(sessionId string) {
txErr := WithTx(context.Background(), func(tx *TxWrap) error {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid NOT IN (SELECT windowid FROM screen_window WHERE sessionid = ?)`
removedWindowIds := tx.SelectStrings(query, sessionId, sessionId)
if len(removedWindowIds) == 0 {
return nil
}
for _, windowId := range removedWindowIds {
query = `DELETE FROM window WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, sessionId, windowId)
query = `DELETE FROM history WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, sessionId, windowId)
query = `DELETE FROM line WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, sessionId, windowId)
}
query = `SELECT cmdid FROM cmd WHERE sessionid = ? AND cmdid NOT IN (SELECT cmdid FROM line WHERE sessionid = ?)`
removedCmds := tx.SelectStrings(query, sessionId, sessionId)
query = `DELETE FROM cmd WHERE sessionid = ? AND cmdid NOT IN (SELECT cmdid FROM line WHERE sessionid = ?)`
tx.ExecWrap(query, sessionId, sessionId)
if tx.Err != nil {
return nil
}
fmt.Printf("removed cmds: %v\n", removedCmds)
for _, cmdId := range removedCmds {
DeletePtyOutFile(tx.Context(), sessionId, cmdId)
}
return nil
})
if txErr != nil {
fmt.Printf("ERROR cleaning windows sessionid:%s: %v\n", sessionId, txErr)
}
}
func ArchiveScreen(ctx context.Context, sessionId string, screenId string) (UpdatePacket, error) {
var newActiveScreenId string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ?`
if !tx.Exists(query, sessionId, screenId) {
return fmt.Errorf("cannot close screen (not found)")
}
query = `SELECT archived FROM screen WHERE sessionid = ? AND screenid = ?`
closeVal := tx.GetBool(query, sessionId, screenId)
if closeVal {
return nil
}
query = `SELECT count(*) FROM screen WHERE sessionid = ? AND NOT archived`
numScreens := tx.GetInt(query, sessionId)
if numScreens <= 1 {
return fmt.Errorf("cannot close the last screen in a session")
}
query = `UPDATE screen SET archived = 1, archivedts = ?, screenidx = 0 WHERE sessionid = ? AND screenid = ?`
tx.ExecWrap(query, time.Now().UnixMilli(), sessionId, screenId)
isActive := tx.Exists(`SELECT sessionid FROM session WHERE sessionid = ? AND activescreenid = ?`, sessionId, screenId)
if isActive {
screenIds := tx.SelectStrings(`SELECT screenid FROM screen WHERE sessionid = ? AND NOT archived ORDER BY screenidx`, sessionId)
nextId := getNextId(screenIds, screenId)
tx.ExecWrap(`UPDATE session SET activescreenid = ? WHERE sessionid = ?`, nextId, sessionId)
newActiveScreenId = nextId
}
return nil
})
if txErr != nil {
return nil, txErr
}
update, session := MakeSingleSessionUpdate(sessionId)
session.ActiveScreenId = newActiveScreenId
session.Screens = append(session.Screens, &ScreenType{SessionId: sessionId, ScreenId: screenId, Remove: true})
return update, nil
}
func UnArchiveScreen(ctx context.Context, sessionId string, screenId string) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ? AND archived`
if !tx.Exists(query, sessionId, screenId) {
return fmt.Errorf("cannot re-open screen (not found or not archived)")
}
origScreenName := tx.GetString(`SELECT name FROM screen WHERE sessionid = ? AND screenid = ?`, sessionId, screenId)
maxScreenIdx := tx.GetInt(`SELECT COALESCE(max(screenidx), 0) FROM screen WHERE sessionid = ? AND NOT archived`, sessionId)
screenNames := tx.SelectStrings(`SELECT name FROM screen WHERE sessionid = ? AND NOT archived`, sessionId)
newScreenName := fmtUniqueName(origScreenName, "s-%d", 2, screenNames)
query = `UPDATE screen SET archived = 0, screenidx = ?, name = ? WHERE sessionid = ? AND screenid = ?`
tx.ExecWrap(query, maxScreenIdx+1, newScreenName, sessionId, screenId)
return nil
})
return txErr
}
func DeleteScreen(ctx context.Context, sessionId string, screenId string) (UpdatePacket, error) {
var newActiveScreenId string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ?`
if !tx.Exists(query, sessionId, screenId) {
return fmt.Errorf("cannot purge screen (not found)")
}
query = `SELECT count(*) FROM screen WHERE sessionid = ? AND NOT archived`
numScreens := tx.GetInt(query, sessionId)
if numScreens <= 1 {
return fmt.Errorf("cannot purge the last screen in a session")
}
isActive := tx.Exists(`SELECT sessionid FROM session WHERE sessionid = ? AND activescreenid = ?`, sessionId, screenId)
if isActive {
screenIds := tx.SelectStrings(`SELECT screenid FROM screen WHERE sessionid = ? AND NOT archived ORDER BY screenidx`, sessionId)
nextId := getNextId(screenIds, screenId)
tx.ExecWrap(`UPDATE session SET activescreenid = ? WHERE sessionid = ?`, nextId, sessionId)
newActiveScreenId = nextId
}
query = `DELETE FROM screen_window WHERE sessionid = ? AND screenid = ?`
tx.ExecWrap(query, sessionId, screenId)
query = `DELETE FROM screen WHERE sessionid = ? AND screenid = ?`
tx.ExecWrap(query, sessionId, screenId)
return nil
})
if txErr != nil {
return nil, txErr
}
go CleanWindows(sessionId)
update, session := MakeSingleSessionUpdate(sessionId)
session.ActiveScreenId = newActiveScreenId
session.Screens = append(session.Screens, &ScreenType{SessionId: sessionId, ScreenId: screenId, Remove: true})
return update, nil
}
func GetRemoteState(ctx context.Context, sessionId string, windowId string, remotePtr RemotePtrType) (*packet.ShellState, *ShellStatePtr, error) {
ssptr, err := GetRemoteStatePtr(ctx, sessionId, windowId, remotePtr)
if err != nil {
return nil, nil, err
}
if ssptr == nil {
return nil, nil, nil
}
state, err := GetFullState(ctx, *ssptr)
if err != nil {
return nil, nil, err
}
return state, ssptr, err
}
func GetRemoteStatePtr(ctx context.Context, sessionId string, windowId string, remotePtr RemotePtrType) (*ShellStatePtr, error) {
var ssptr *ShellStatePtr
txErr := WithTx(ctx, func(tx *TxWrap) error {
ri, err := GetRemoteInstance(tx.Context(), sessionId, windowId, remotePtr)
if err != nil {
return err
}
if ri == nil {
return nil
}
ssptr = &ShellStatePtr{ri.StateBaseHash, ri.StateDiffHashArr}
return nil
})
if txErr != nil {
return nil, txErr
}
return ssptr, nil
}
func validateSessionWindow(tx *TxWrap, sessionId string, windowId string) error {
if windowId == "" {
query := `SELECT sessionid FROM session WHERE sessionid = ?`
if !tx.Exists(query, sessionId) {
return fmt.Errorf("no session found")
}
return nil
} else {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
if !tx.Exists(query, sessionId, windowId) {
return fmt.Errorf("no window found")
}
return nil
}
}
func GetRemoteInstance(ctx context.Context, sessionId string, windowId string, remotePtr RemotePtrType) (*RemoteInstance, error) {
if remotePtr.IsSessionScope() {
windowId = ""
}
var ri *RemoteInstance
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * FROM remote_instance WHERE sessionid = ? AND windowid = ? AND remoteownerid = ? AND remoteid = ? AND name = ?`
m := tx.GetMap(query, sessionId, windowId, remotePtr.OwnerId, remotePtr.RemoteId, remotePtr.Name)
ri = RIFromMap(m)
return nil
})
if txErr != nil {
return nil, txErr
}
return ri, nil
}
// internal function for UpdateRemoteState
func updateRIWithState(ctx context.Context, ri *RemoteInstance, stateBase *packet.ShellState, stateDiff *packet.ShellStateDiff) error {
if stateBase != nil {
ri.StateBaseHash = stateBase.GetHashVal(false)
ri.StateDiffHashArr = nil
err := StoreStateBase(ctx, stateBase)
if err != nil {
return err
}
} else if stateDiff != nil {
ri.StateBaseHash = stateDiff.BaseHash
ri.StateDiffHashArr = append(stateDiff.DiffHashArr, stateDiff.GetHashVal(false))
err := StoreStateDiff(ctx, stateDiff)
if err != nil {
return err
}
}
return nil
}
func UpdateRemoteState(ctx context.Context, sessionId string, windowId string, remotePtr RemotePtrType, feState FeStateType, stateBase *packet.ShellState, stateDiff *packet.ShellStateDiff) (*RemoteInstance, error) {
if stateBase == nil && stateDiff == nil {
return nil, fmt.Errorf("UpdateRemoteState, must set state or diff")
}
if stateBase != nil && stateDiff != nil {
return nil, fmt.Errorf("UpdateRemoteState, cannot set state and diff")
}
if remotePtr.IsSessionScope() {
windowId = ""
}
var ri *RemoteInstance
txErr := WithTx(ctx, func(tx *TxWrap) error {
err := validateSessionWindow(tx, sessionId, windowId)
if err != nil {
return fmt.Errorf("cannot update remote instance state: %w", err)
}
query := `SELECT * FROM remote_instance WHERE sessionid = ? AND windowid = ? AND remoteownerid = ? AND remoteid = ? AND name = ?`
m := tx.GetMap(query, sessionId, windowId, remotePtr.OwnerId, remotePtr.RemoteId, remotePtr.Name)
ri = RIFromMap(m)
if ri == nil {
ri = &RemoteInstance{
RIId: scbase.GenPromptUUID(),
Name: remotePtr.Name,
SessionId: sessionId,
WindowId: windowId,
RemoteOwnerId: remotePtr.OwnerId,
RemoteId: remotePtr.RemoteId,
FeState: feState,
}
err = updateRIWithState(tx.Context(), ri, stateBase, stateDiff)
if err != nil {
return err
}
query = `INSERT INTO remote_instance ( riid, name, sessionid, windowid, remoteownerid, remoteid, festate, statebasehash, statediffhasharr)
VALUES (:riid,:name,:sessionid,:windowid,:remoteownerid,:remoteid,:festate,:statebasehash,:statediffhasharr)`
tx.NamedExecWrap(query, ri.ToMap())
return nil
} else {
query = `UPDATE remote_instance SET festate = ?, statebasehash = ?, statediffhasharr = ? WHERE riid = ?`
ri.FeState = feState
err = updateRIWithState(tx.Context(), ri, stateBase, stateDiff)
if err != nil {
return err
}
tx.ExecWrap(query, quickJson(ri.FeState), ri.StateBaseHash, quickJsonArr(ri.StateDiffHashArr), ri.RIId)
return nil
}
})
return ri, txErr
}
func UpdateCurRemote(ctx context.Context, sessionId string, windowId string, remotePtr RemotePtrType) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
if !tx.Exists(query, sessionId, windowId) {
return fmt.Errorf("cannot update curremote: no window found")
}
query = `UPDATE window SET curremoteownerid = ?, curremoteid = ?, curremotename = ? WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, remotePtr.OwnerId, remotePtr.RemoteId, remotePtr.Name, sessionId, windowId)
return nil
})
return txErr
}
func reorderStrings(strs []string, toMove string, newIndex int) []string {
if toMove == "" {
return strs
}
var newStrs []string
if newIndex < 0 {
newStrs = append(newStrs, toMove)
}
for _, sval := range strs {
if len(newStrs) == newIndex {
newStrs = append(newStrs, toMove)
}
if sval != toMove {
newStrs = append(newStrs, sval)
}
}
if newIndex >= len(newStrs) {
newStrs = append(newStrs, toMove)
}
return newStrs
}
func ReIndexSessions(ctx context.Context, sessionId string, newIndex int) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM session ORDER BY sessionidx, name, sessionid`
ids := tx.SelectStrings(query)
if sessionId != "" {
ids = reorderStrings(ids, sessionId, newIndex)
}
query = `UPDATE session SET sessionid = ? WHERE sessionid = ?`
for idx, id := range ids {
tx.ExecWrap(query, id, idx+1)
}
return nil
})
return txErr
}
func SetSessionName(ctx context.Context, sessionId string, name string) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM session WHERE sessionid = ?`
if !tx.Exists(query, sessionId) {
return fmt.Errorf("session does not exist")
}
query = `SELECT sessionid FROM session WHERE name = ?`
dupSessionId := tx.GetString(query, name)
if dupSessionId == sessionId {
return nil
}
if dupSessionId != "" {
return fmt.Errorf("invalid duplicate session name '%s'", name)
}
query = `UPDATE session SET name = ? WHERE sessionid = ?`
tx.ExecWrap(query, name, sessionId)
return nil
})
return txErr
}
func SetScreenName(ctx context.Context, sessionId string, screenId string, name string) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ?`
if !tx.Exists(query, sessionId, screenId) {
return fmt.Errorf("screen does not exist")
}
query = `SELECT screenid FROM screen WHERE sessionid = ? AND name = ? AND NOT archived`
dupScreenId := tx.GetString(query, sessionId, name)
if dupScreenId == screenId {
return nil
}
if dupScreenId != "" {
return fmt.Errorf("invalid duplicate screen name '%s'", name)
}
query = `UPDATE screen SET name = ? WHERE sessionid = ? AND screenid = ?`
tx.ExecWrap(query, name, sessionId, screenId)
return nil
})
return txErr
}
func SetScreenOpts(ctx context.Context, sessionId string, screenId string, opts *ScreenOptsType) error {
if opts == nil {
return fmt.Errorf("invalid screen opts cannot be nil")
}
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT screenid FROM screen WHERE sessionid = ? AND screenid = ?`
if !tx.Exists(query, sessionId, screenId) {
return fmt.Errorf("screen does not exist")
}
query = `UPDATE screen SET screenopts = ? WHERE sessionid = ? AND screenid = ?`
tx.ExecWrap(query, opts, sessionId, screenId)
return nil
})
return txErr
}
func ClearWindow(ctx context.Context, sessionId string, windowId string) (*ModelUpdate, error) {
var lineIds []string
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT windowid FROM window WHERE sessionid = ? AND windowid = ?`
if !tx.Exists(query, sessionId, windowId) {
return fmt.Errorf("window does not exist")
}
query = `SELECT lineid FROM line WHERE sessionid = ? AND windowid = ?`
lineIds = tx.SelectStrings(query, sessionId, windowId)
query = `DELETE FROM line WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, sessionId, windowId)
query = `UPDATE window SET nextlinenum = 1 WHERE sessionid = ? AND windowid = ?`
tx.ExecWrap(query, sessionId, windowId)
return nil
})
if txErr != nil {
return nil, txErr
}
win, err := GetWindowById(ctx, sessionId, windowId)
if err != nil {
return nil, err
}
for _, lineId := range lineIds {
line := &LineType{
SessionId: sessionId,
WindowId: windowId,
LineId: lineId,
Remove: true,
}
win.Lines = append(win.Lines, line)
}
return &ModelUpdate{Window: win}, nil
}
func GetRunningWindowCmds(ctx context.Context, sessionId string, windowId string) ([]*CmdType, error) {
var rtn []*CmdType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT * from cmd WHERE cmdid IN (SELECT cmdid FROM line WHERE sessionid = ? AND windowid = ?) AND status = ?`
cmdMaps := tx.SelectMaps(query, sessionId, windowId, CmdStatusRunning)
for _, m := range cmdMaps {
rtn = append(rtn, CmdFromMap(m))
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func UpdateCmdTermOpts(ctx context.Context, sessionId string, cmdId string, termOpts TermOpts) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE cmd SET termopts = ? WHERE sessionid = ? AND cmdid = ?`
tx.ExecWrap(query, termOpts, sessionId, cmdId)
return nil
})
return txErr
}
func DeleteSession(ctx context.Context, sessionId string) error {
return nil
}
func GetSessionStats(ctx context.Context, sessionId string) (*SessionStatsType, error) {
rtn := &SessionStatsType{SessionId: sessionId}
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM session WHERE sessionid = ?`
if !tx.Exists(query, sessionId) {
return fmt.Errorf("not found")
}
query = `SELECT count(*) FROM screen WHERE sessionid = ? AND NOT archived`
rtn.NumScreens = tx.GetInt(query, sessionId)
query = `SELECT count(*) FROM screen WHERE sessionid = ? AND archived`
rtn.NumArchivedScreens = tx.GetInt(query, sessionId)
query = `SELECT count(*) FROM window WHERE sessionid = ?`
rtn.NumWindows = tx.GetInt(query, sessionId)
query = `SELECT count(*) FROM line WHERE sessionid = ?`
rtn.NumLines = tx.GetInt(query, sessionId)
query = `SELECT count(*) FROM cmd WHERE sessionid = ?`
rtn.NumCmds = tx.GetInt(query, sessionId)
return nil
})
if txErr != nil {
return nil, txErr
}
diskSize, err := SessionDiskSize(sessionId)
if err != nil {
return nil, err
}
rtn.DiskStats = diskSize
return rtn, nil
}
const (
RemoteField_Alias = "alias" // string
RemoteField_ConnectMode = "connectmode" // string
RemoteField_AutoInstall = "autoinstall" // bool
RemoteField_SSHKey = "sshkey" // string
RemoteField_SSHPassword = "sshpassword" // string
RemoteField_Color = "color" // string
)
// editMap: alias, connectmode, autoinstall, sshkey, color, sshpassword (from constants)
func UpdateRemote(ctx context.Context, remoteId string, editMap map[string]interface{}) (*RemoteType, error) {
var rtn *RemoteType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT remoteid FROM remote WHERE remoteid = ?`
if !tx.Exists(query, remoteId) {
return fmt.Errorf("remote not found")
}
if alias, found := editMap[RemoteField_Alias]; found {
query = `SELECT remoteid FROM remote WHERE remotealias = ? AND remoteid <> ?`
if alias != "" && tx.Exists(query, alias, remoteId) {
return fmt.Errorf("remote has duplicate alias, cannot update")
}
query = `UPDATE remote SET remotealias = ? WHERE remoteid = ?`
tx.ExecWrap(query, alias, remoteId)
}
if mode, found := editMap[RemoteField_ConnectMode]; found {
query = `UPDATE remote SET connectmode = ? WHERE remoteid = ?`
tx.ExecWrap(query, mode, remoteId)
}
if autoInstall, found := editMap[RemoteField_AutoInstall]; found {
query = `UPDATE remote SET autoinstall = ? WHERE remoteid = ?`
tx.ExecWrap(query, autoInstall, remoteId)
}
if sshKey, found := editMap[RemoteField_SSHKey]; found {
query = `UPDATE remote SET sshopts = json_set(sshopts, '$.sshidentity', ?) WHERE remoteid = ?`
tx.ExecWrap(query, sshKey, remoteId)
}
if sshPassword, found := editMap[RemoteField_SSHPassword]; found {
query = `UPDATE remote SET sshopts = json_set(sshopts, '$.sshpassword', ?) WHERE remoteid = ?`
tx.ExecWrap(query, sshPassword, remoteId)
}
if color, found := editMap[RemoteField_Color]; found {
query = `UPDATE remote SET remoteopts = json_set(remoteopts, '$.color', ?) WHERE remoteid = ?`
tx.ExecWrap(query, color, remoteId)
}
var err error
rtn, err = GetRemoteById(tx.Context(), remoteId)
if err != nil {
return err
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
const (
SWField_AnchorLine = "anchorline" // int
SWField_AnchorOffset = "anchoroffset" // int
SWField_SelectedLine = "selectedline" // int
SWField_Focus = "focustype" // string
)
func UpdateScreenWindow(ctx context.Context, sessionId string, screenId string, windowId string, editMap map[string]interface{}) (*ScreenWindowType, error) {
var rtn *ScreenWindowType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid FROM screen_window WHERE sessionid = ? AND screenid = ? AND windowid = ?`
if !tx.Exists(query, sessionId, screenId, windowId) {
return fmt.Errorf("screen-window not found")
}
if anchorLine, found := editMap[SWField_AnchorLine]; found {
query = `UPDATE screen_window SET anchor = json_set(anchor, '$.anchorline', ?) WHERE sessionid = ? AND screenid = ? AND windowid = ?`
tx.ExecWrap(query, anchorLine, sessionId, screenId, windowId)
}
if anchorOffset, found := editMap[SWField_AnchorOffset]; found {
query = `UPDATE screen_window SET anchor = json_set(anchor, '$.anchoroffset', ?) WHERE sessionid = ? AND screenid = ? AND windowid = ?`
tx.ExecWrap(query, anchorOffset, sessionId, screenId, windowId)
}
if sline, found := editMap[SWField_SelectedLine]; found {
query = `UPDATE screen_window SET selectedline = ? WHERE sessionid = ? AND screenid = ? AND windowid = ?`
tx.ExecWrap(query, sline, sessionId, screenId, windowId)
}
if focusType, found := editMap[SWField_Focus]; found {
query = `UPDATE screen_window SET focustype = ? WHERE sessionid = ? AND screenid = ? AND windowid = ?`
tx.ExecWrap(query, focusType, sessionId, screenId, windowId)
}
var sw ScreenWindowType
query = `SELECT * FROM screen_window WHERE sessionid = ? AND screenid = ? AND windowid = ?`
found := tx.GetWrap(&sw, query, sessionId, screenId, windowId)
if found {
rtn = &sw
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func GetScreenWindowByIds(ctx context.Context, sessionId string, screenId string, windowId string) (*ScreenWindowType, error) {
var rtn *ScreenWindowType
txErr := WithTx(ctx, func(tx *TxWrap) error {
var sw ScreenWindowType
query := `SELECT * FROM screen_window WHERE sessionid = ? AND screenid = ? AND windowid = ?`
found := tx.GetWrap(&sw, query, sessionId, screenId, windowId)
if found {
rtn = &sw
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func GetLineResolveItems(ctx context.Context, sessionId string, windowId string) ([]ResolveItem, error) {
var rtn []ResolveItem
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT lineid as id, linenum as num FROM line WHERE sessionid = ? AND windowid = ? ORDER BY linenum`
tx.SelectWrap(&rtn, query, sessionId, windowId)
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func UpdateSWsWithCmdFg(ctx context.Context, sessionId string, cmdId string) ([]*ScreenWindowType, error) {
var rtn []*ScreenWindowType
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT sessionid, screenid, windowid
FROM screen_window sw
WHERE
sessionid = ?
AND focustype = 'cmd-fg'
AND selectedline IN (SELECT linenum
FROM line l
WHERE l.sessionid = sw.sessionid
AND l.windowid = sw.windowid
AND l.cmdid = ?
)`
var swKeys []SWKey
tx.SelectWrap(&swKeys, query, sessionId, cmdId)
if len(swKeys) == 0 {
return nil
}
for _, key := range swKeys {
editMap := make(map[string]interface{})
editMap[SWField_Focus] = SWFocusInput
sw, err := UpdateScreenWindow(tx.Context(), key.SessionId, key.ScreenId, key.WindowId, editMap)
if err != nil {
return err
}
rtn = append(rtn, sw)
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func StoreStateBase(ctx context.Context, state *packet.ShellState) error {
stateBase := &StateBase{
Version: state.Version,
Ts: time.Now().UnixMilli(),
}
stateBase.BaseHash, stateBase.Data = state.EncodeAndHash()
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT basehash FROM state_base WHERE basehash = ?`
if tx.Exists(query, stateBase.BaseHash) {
return nil
}
query = `INSERT INTO state_base (basehash, ts, version, data) VALUES (:basehash,:ts,:version,:data)`
tx.NamedExecWrap(query, stateBase)
return nil
})
if txErr != nil {
return txErr
}
return nil
}
func StoreStateDiff(ctx context.Context, diff *packet.ShellStateDiff) error {
stateDiff := &StateDiff{
BaseHash: diff.BaseHash,
Ts: time.Now().UnixMilli(),
DiffHashArr: diff.DiffHashArr,
}
stateDiff.DiffHash, stateDiff.Data = diff.EncodeAndHash()
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT basehash FROM state_base WHERE basehash = ?`
if stateDiff.BaseHash == "" || !tx.Exists(query, stateDiff.BaseHash) {
return fmt.Errorf("cannot store statediff, basehash:%s does not exist", stateDiff.BaseHash)
}
query = `SELECT diffhash FROM state_diff WHERE diffhash = ?`
for idx, diffHash := range stateDiff.DiffHashArr {
if !tx.Exists(query, diffHash) {
return fmt.Errorf("cannot store statediff, diffhash[%d]:%s does not exist", idx, diffHash)
}
}
if tx.Exists(query, stateDiff.DiffHash) {
return nil
}
query = `INSERT INTO state_diff (diffhash, ts, basehash, diffhasharr, data) VALUES (:diffhash,:ts,:basehash,:diffhasharr,:data)`
tx.NamedExecWrap(query, stateDiff.ToMap())
return nil
})
if txErr != nil {
return txErr
}
return nil
}
// returns error when not found
func GetFullState(ctx context.Context, ssPtr ShellStatePtr) (*packet.ShellState, error) {
var state *packet.ShellState
if ssPtr.BaseHash == "" {
return nil, fmt.Errorf("invalid empty basehash")
}
txErr := WithTx(ctx, func(tx *TxWrap) error {
var stateBase StateBase
query := `SELECT * FROM state_base WHERE basehash = ?`
found := tx.GetWrap(&stateBase, query, ssPtr.BaseHash)
if !found {
return fmt.Errorf("ShellState %s not found", ssPtr.BaseHash)
}
state = &packet.ShellState{}
err := state.DecodeShellState(stateBase.Data)
if err != nil {
return err
}
for idx, diffHash := range ssPtr.DiffHashArr {
query = `SELECT * FROM state_diff WHERE diffhash = ?`
m := tx.GetMap(query, diffHash)
stateDiff := StateDiffFromMap(m)
if stateDiff == nil {
return fmt.Errorf("ShellStateDiff %s not found", diffHash)
}
var ssDiff packet.ShellStateDiff
err = ssDiff.DecodeShellStateDiff(stateDiff.Data)
if err != nil {
return err
}
newState, err := shexec.ApplyShellStateDiff(*state, ssDiff)
if err != nil {
return fmt.Errorf("GetFullState, diff[%d]:%s: %v", idx, diffHash, err)
}
state = &newState
}
return nil
})
if txErr != nil {
return nil, txErr
}
if state == nil {
return nil, fmt.Errorf("ShellState not found")
}
return state, nil
}
func UpdateLineStar(ctx context.Context, lineId string, starVal int) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE line SET star = ? WHERE lineid = ?`
tx.ExecWrap(query, starVal, lineId)
return nil
})
if txErr != nil {
return txErr
}
return nil
}
// can return nil, nil if line is not found
func GetLineById(ctx context.Context, lineId string) (*LineType, error) {
var rtn *LineType
txErr := WithTx(ctx, func(tx *TxWrap) error {
var line LineType
query := `SELECT * FROM line WHERE lineid = ?`
found := tx.GetWrap(&line, query, lineId)
if found {
rtn = &line
}
return nil
})
if txErr != nil {
return nil, txErr
}
return rtn, nil
}
func SetLineHiddenById(ctx context.Context, lineId string, hidden bool) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `UPDATE line SET hidden = ? WHERE lineid = ?`
tx.ExecWrap(query, hidden, lineId)
return nil
})
return txErr
}
func purgeCmdById(ctx context.Context, sessionId string, cmdId string) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `DELETE FROM cmd WHERE sessionid = ? AND cmdid = ?`
tx.ExecWrap(query, sessionId, cmdId)
return DeletePtyOutFile(tx.Context(), sessionId, cmdId)
})
return txErr
}
func PurgeLineById(ctx context.Context, sessionId string, lineId string) error {
txErr := WithTx(ctx, func(tx *TxWrap) error {
query := `SELECT cmdid FROM line WHERE sessionid = ? AND lineid = ?`
cmdId := tx.GetString(query, sessionId, lineId)
query = `DELETE FROM line WHERE sessionid = ? AND lineid = ?`
tx.ExecWrap(query, sessionId, lineId)
if cmdId != "" {
query = `SELECT count(*) FROM line WHERE sessionid = ? AND cmdid = ?`
cmdRefCount := tx.GetInt(query, sessionId, cmdId)
if cmdRefCount == 0 {
err := purgeCmdById(tx.Context(), sessionId, cmdId)
if err != nil {
return err
}
}
}
return nil
})
return txErr
}