hishtory/client/lib/lib.go

872 lines
26 KiB
Go

package lib
import (
"bufio"
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"math/rand"
"net/http"
"os"
"os/user"
"path/filepath"
"regexp"
"runtime"
"strings"
"time"
_ "embed" // for embedding config.sh
"gorm.io/gorm"
"github.com/araddon/dateparse"
"github.com/fatih/color"
"github.com/google/uuid"
"github.com/rodaine/table"
"github.com/ddworken/hishtory/client/data"
"github.com/ddworken/hishtory/client/hctx"
"github.com/ddworken/hishtory/shared"
)
//go:embed config.sh
var ConfigShContents string
//go:embed config.zsh
var ConfigZshContents string
//go:embed config.fish
var ConfigFishContents string
var Version string = "Unknown"
var GitCommit string = "Unknown"
// 256KB ought to be enough for any reasonable cmd
var maxSupportedLineLengthForImport = 256_000
func Setup(userSecret string, isOffline bool) error {
if userSecret == "" {
userSecret = uuid.Must(uuid.NewRandom()).String()
}
fmt.Println("Setting secret hishtory key to " + string(userSecret))
// Create and set the config
var config hctx.ClientConfig
config.UserSecret = userSecret
config.IsEnabled = true
config.DeviceId = uuid.Must(uuid.NewRandom()).String()
config.ControlRSearchEnabled = true
config.IsOffline = isOffline
err := hctx.SetConfig(config)
if err != nil {
return fmt.Errorf("failed to persist config to disk: %w", err)
}
// Drop all existing data
db, err := hctx.OpenLocalSqliteDb()
if err != nil {
return err
}
db.Exec("DELETE FROM history_entries")
// Bootstrap from remote date
if config.IsOffline {
return nil
}
_, err = ApiGet("/api/v1/register?user_id=" + data.UserId(userSecret) + "&device_id=" + config.DeviceId)
if err != nil {
return fmt.Errorf("failed to register device with backend: %w", err)
}
respBody, err := ApiGet("/api/v1/bootstrap?user_id=" + data.UserId(userSecret) + "&device_id=" + config.DeviceId)
if err != nil {
return fmt.Errorf("failed to bootstrap device from the backend: %w", err)
}
var retrievedEntries []*shared.EncHistoryEntry
err = json.Unmarshal(respBody, &retrievedEntries)
if err != nil {
return fmt.Errorf("failed to load JSON response: %w", err)
}
for _, entry := range retrievedEntries {
decEntry, err := data.DecryptHistoryEntry(userSecret, *entry)
if err != nil {
return fmt.Errorf("failed to decrypt history entry from server: %w", err)
}
AddToDbIfNew(db, decEntry)
}
return nil
}
func AddToDbIfNew(db *gorm.DB, entry data.HistoryEntry) {
tx := db.Where("local_username = ?", entry.LocalUsername)
tx = tx.Where("hostname = ?", entry.Hostname)
tx = tx.Where("command = ?", entry.Command)
tx = tx.Where("current_working_directory = ?", entry.CurrentWorkingDirectory)
tx = tx.Where("home_directory = ?", entry.HomeDirectory)
tx = tx.Where("exit_code = ?", entry.ExitCode)
tx = tx.Where("start_time = ?", entry.StartTime)
tx = tx.Where("end_time = ?", entry.EndTime)
var results []data.HistoryEntry
tx.Limit(1).Find(&results)
if len(results) == 0 {
db.Create(normalizeEntryTimezone(entry))
// TODO: check the error here and bubble it up
}
}
func getCustomColumnValue(ctx context.Context, header string, entry data.HistoryEntry) (string, error) {
for _, c := range entry.CustomColumns {
if strings.EqualFold(c.Name, header) {
return c.Val, nil
}
}
config := hctx.GetConf(ctx)
for _, c := range config.CustomColumns {
if strings.EqualFold(c.ColumnName, header) {
return "", nil
}
}
return "", fmt.Errorf("failed to find a column matching the column name %#v (is there a typo?)", header)
}
func buildTableRow(ctx context.Context, columnNames []string, entry data.HistoryEntry) ([]string, error) {
row := make([]string, 0)
for _, header := range columnNames {
switch header {
case "Hostname":
row = append(row, entry.Hostname)
case "CWD":
row = append(row, entry.CurrentWorkingDirectory)
case "Timestamp":
row = append(row, entry.StartTime.Local().Format(hctx.GetConf(ctx).TimestampFormat))
case "Runtime":
if entry.EndTime.UnixMilli() == 0 {
// An EndTime of zero means this is a pre-saved entry that never finished
row = append(row, "N/A")
} else {
row = append(row, entry.EndTime.Local().Sub(entry.StartTime.Local()).Round(time.Millisecond).String())
}
case "Exit Code":
row = append(row, fmt.Sprintf("%d", entry.ExitCode))
case "Command":
row = append(row, entry.Command)
case "User":
row = append(row, entry.LocalUsername)
default:
customColumnValue, err := getCustomColumnValue(ctx, header, entry)
if err != nil {
return nil, err
}
row = append(row, customColumnValue)
}
}
return row, nil
}
func stringArrayToAnyArray(arr []string) []any {
ret := make([]any, 0)
for _, item := range arr {
ret = append(ret, item)
}
return ret
}
func DisplayResults(ctx context.Context, results []*data.HistoryEntry, numResults int) error {
config := hctx.GetConf(ctx)
headerFmt := color.New(color.FgGreen, color.Underline).SprintfFunc()
columns := make([]any, 0)
for _, c := range config.DisplayedColumns {
columns = append(columns, c)
}
tbl := table.New(columns...)
tbl.WithHeaderFormatter(headerFmt)
lastCommand := ""
numRows := 0
for _, entry := range results {
if entry != nil && strings.TrimSpace(entry.Command) == strings.TrimSpace(lastCommand) && config.FilterDuplicateCommands {
continue
}
row, err := buildTableRow(ctx, config.DisplayedColumns, *entry)
if err != nil {
return err
}
tbl.AddRow(stringArrayToAnyArray(row)...)
numRows += 1
lastCommand = entry.Command
if numRows >= numResults {
break
}
}
tbl.Print()
return nil
}
func IsEnabled(ctx context.Context) (bool, error) {
return hctx.GetConf(ctx).IsEnabled, nil
}
func CheckFatalError(err error) {
if err != nil {
_, filename, line, _ := runtime.Caller(1)
log.Fatalf("hishtory v0.%s fatal error at %s:%d: %v", Version, filename, line, err)
}
}
func stripZshWeirdness(cmd string) string {
// Zsh has this weird behavior where sometimes commands are saved in the hishtory file
// with a weird prefix. I've never been able to figure out why this happens, but we
// can at least strip it.
firstCommandBugRegex := regexp.MustCompile(`: \d+:\d;(.*)`)
matches := firstCommandBugRegex.FindStringSubmatch(cmd)
if len(matches) == 2 {
return matches[1]
}
return cmd
}
func isBashWeirdness(cmd string) bool {
// Bash has this weird behavior where the it has entries like `#1664342754` in the
// history file. We want to skip these.
firstCommandBugRegex := regexp.MustCompile(`^#\d+\s+$`)
return firstCommandBugRegex.MatchString(cmd)
}
func ImportHistory(ctx context.Context, shouldReadStdin, force bool) (int, error) {
config := hctx.GetConf(ctx)
if config.HaveCompletedInitialImport && !force {
// Don't run an import if we already have run one. This avoids importing the same entry multiple times.
return 0, nil
}
homedir := hctx.GetHome(ctx)
bashHistPath := filepath.Join(homedir, ".bash_history")
historyEntries, err := readFileToArray(bashHistPath)
if err != nil {
return 0, fmt.Errorf("failed to parse bash history: %w", err)
}
zshHistPath := filepath.Join(homedir, ".zsh_history")
extraEntries, err := readFileToArray(zshHistPath)
if err != nil {
return 0, fmt.Errorf("failed to parse zsh history: %w", err)
}
historyEntries = append(historyEntries, extraEntries...)
extraEntries, err = parseFishHistory(homedir)
if err != nil {
return 0, fmt.Errorf("failed to parse fish history: %w", err)
}
historyEntries = append(historyEntries, extraEntries...)
if histfile := os.Getenv("HISTFILE"); histfile != "" && histfile != zshHistPath && histfile != bashHistPath {
extraEntries, err := readFileToArray(histfile)
if err != nil {
return 0, fmt.Errorf("failed to parse histfile: %w", err)
}
historyEntries = append(historyEntries, extraEntries...)
}
if shouldReadStdin {
extraEntries, err = readStdin()
if err != nil {
return 0, fmt.Errorf("failed to read stdin: %w", err)
}
historyEntries = append(historyEntries, extraEntries...)
}
db := hctx.GetDb(ctx)
currentUser, err := user.Current()
if err != nil {
return 0, err
}
hostname, err := os.Hostname()
if err != nil {
return 0, err
}
for _, cmd := range historyEntries {
cmd := stripZshWeirdness(cmd)
if isBashWeirdness(cmd) || strings.HasPrefix(cmd, " ") {
// Skip it
continue
}
entry := data.HistoryEntry{
LocalUsername: currentUser.Name,
Hostname: hostname,
Command: cmd,
CurrentWorkingDirectory: "Unknown",
HomeDirectory: homedir,
ExitCode: 0,
StartTime: time.Now().UTC(),
EndTime: time.Now().UTC(),
DeviceId: config.DeviceId,
}
err = ReliableDbCreate(db, entry)
if err != nil {
return 0, fmt.Errorf("failed to insert imported history entry: %w", err)
}
}
err = Reupload(ctx)
if err != nil {
return 0, fmt.Errorf("failed to upload hishtory import: %w", err)
}
config.HaveCompletedInitialImport = true
err = hctx.SetConfig(config)
if err != nil {
return 0, fmt.Errorf("failed to mark initial import as completed, this may lead to duplicate history entries: %w", err)
}
// Trigger a checkpoint so that these bulk entries are added from the WAL to the main DB
db.Exec("PRAGMA wal_checkpoint")
return len(historyEntries), nil
}
func readStdin() ([]string, error) {
ret := make([]string, 0)
in := bufio.NewReader(os.Stdin)
for {
s, err := in.ReadString('\n')
if err != nil {
if err != io.EOF {
return nil, err
}
break
}
s = strings.TrimSpace(s)
if s != "" {
ret = append(ret, s)
}
}
return ret, nil
}
func parseFishHistory(homedir string) ([]string, error) {
lines, err := readFileToArray(filepath.Join(homedir, ".local/share/fish/fish_history"))
if err != nil {
return nil, err
}
ret := make([]string, 0)
for _, line := range lines {
line = strings.TrimSpace(line)
if strings.HasPrefix(line, "- cmd: ") {
ret = append(ret, strings.SplitN(line, ": ", 2)[1])
}
}
return ret, nil
}
func readFileToArray(path string) ([]string, error) {
if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) {
return []string{}, nil
}
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
scanner := bufio.NewScanner(file)
buf := make([]byte, maxSupportedLineLengthForImport)
scanner.Buffer(buf, maxSupportedLineLengthForImport)
lines := make([]string, 0)
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
if err := scanner.Err(); err != nil {
return nil, err
}
return lines, nil
}
func getServerHostname() string {
if server := os.Getenv("HISHTORY_SERVER"); server != "" {
return server
}
return "https://api.hishtory.dev"
}
func GetDownloadData() (shared.UpdateInfo, error) {
respBody, err := ApiGet("/api/v1/download")
if err != nil {
return shared.UpdateInfo{}, fmt.Errorf("failed to download update info: %w", err)
}
var downloadData shared.UpdateInfo
err = json.Unmarshal(respBody, &downloadData)
if err != nil {
return shared.UpdateInfo{}, fmt.Errorf("failed to parse update info: %w", err)
}
return downloadData, nil
}
func httpClient() *http.Client {
return &http.Client{}
}
func ApiGet(path string) ([]byte, error) {
if os.Getenv("HISHTORY_SIMULATE_NETWORK_ERROR") != "" {
return nil, fmt.Errorf("simulated network error: dial tcp: lookup api.hishtory.dev")
}
start := time.Now()
req, err := http.NewRequest("GET", getServerHostname()+path, nil)
if err != nil {
return nil, fmt.Errorf("failed to create GET: %w", err)
}
req.Header.Set("X-Hishtory-Version", "v0."+Version)
resp, err := httpClient().Do(req)
if err != nil {
return nil, fmt.Errorf("failed to GET %s%s: %w", getServerHostname(), path, err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("failed to GET %s%s: status_code=%d", getServerHostname(), path, resp.StatusCode)
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body from GET %s%s: %w", getServerHostname(), path, err)
}
duration := time.Since(start)
hctx.GetLogger().Infof("ApiGet(%#v): %s\n", path, duration.String())
return respBody, nil
}
func ApiPost(path, contentType string, data []byte) ([]byte, error) {
if os.Getenv("HISHTORY_SIMULATE_NETWORK_ERROR") != "" {
return nil, fmt.Errorf("simulated network error: dial tcp: lookup api.hishtory.dev")
}
start := time.Now()
req, err := http.NewRequest("POST", getServerHostname()+path, bytes.NewBuffer(data))
if err != nil {
return nil, fmt.Errorf("failed to create POST: %w", err)
}
req.Header.Set("Content-Type", contentType)
req.Header.Set("X-Hishtory-Version", "v0."+Version)
resp, err := httpClient().Do(req)
if err != nil {
return nil, fmt.Errorf("failed to POST %s: %w", getServerHostname()+path, err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("failed to POST %s: status_code=%d", getServerHostname()+path, resp.StatusCode)
}
respBody, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body from POST %s: %w", getServerHostname()+path, err)
}
duration := time.Since(start)
hctx.GetLogger().Infof("ApiPost(%#v): %s\n", getServerHostname()+path, duration.String())
return respBody, nil
}
func IsOfflineError(err error) bool {
if err == nil {
return false
}
return strings.Contains(err.Error(), "dial tcp: lookup api.hishtory.dev") ||
strings.Contains(err.Error(), "connect: network is unreachable") ||
strings.Contains(err.Error(), "read: connection reset by peer") ||
strings.Contains(err.Error(), ": EOF") ||
strings.Contains(err.Error(), ": status_code=502") ||
strings.Contains(err.Error(), ": status_code=503") ||
strings.Contains(err.Error(), ": i/o timeout") ||
strings.Contains(err.Error(), "connect: operation timed out") ||
strings.Contains(err.Error(), "net/http: TLS handshake timeout")
}
func normalizeEntryTimezone(entry data.HistoryEntry) data.HistoryEntry {
entry.StartTime = entry.StartTime.UTC()
entry.EndTime = entry.EndTime.UTC()
return entry
}
func RetryingDbFunction(dbFunc func() error) error {
var err error = nil
i := 0
for i = 0; i < 10; i++ {
err = dbFunc()
if err == nil {
return nil
}
errMsg := err.Error()
if errMsg == "database is locked (5) (SQLITE_BUSY)" || errMsg == "database is locked (261)" {
time.Sleep(time.Duration(i*rand.Intn(100)) * time.Millisecond)
continue
}
if strings.Contains(errMsg, "UNIQUE constraint failed: history_entries.") {
return nil
}
return fmt.Errorf("unrecoverable sqlite error: %w", err)
}
return fmt.Errorf("failed to execute DB transaction even with %d retries: %w", i, err)
}
func ReliableDbCreate(db *gorm.DB, entry data.HistoryEntry) error {
entry = normalizeEntryTimezone(entry)
return RetryingDbFunction(func() error {
return db.Create(entry).Error
})
}
func EncryptAndMarshal(config hctx.ClientConfig, entries []*data.HistoryEntry) ([]byte, error) {
var encEntries []shared.EncHistoryEntry
for _, entry := range entries {
encEntry, err := data.EncryptHistoryEntry(config.UserSecret, *entry)
if err != nil {
return nil, fmt.Errorf("failed to encrypt history entry")
}
encEntry.DeviceId = config.DeviceId
encEntries = append(encEntries, encEntry)
}
jsonValue, err := json.Marshal(encEntries)
if err != nil {
return jsonValue, fmt.Errorf("failed to marshal encrypted history entry: %w", err)
}
return jsonValue, nil
}
func Reupload(ctx context.Context) error {
config := hctx.GetConf(ctx)
if config.IsOffline {
return nil
}
entries, err := Search(ctx, hctx.GetDb(ctx), "", 0)
if err != nil {
return fmt.Errorf("failed to reupload due to failed search: %w", err)
}
for _, chunk := range shared.Chunks(entries, 100) {
jsonValue, err := EncryptAndMarshal(config, chunk)
if err != nil {
return fmt.Errorf("failed to reupload due to failed encryption: %w", err)
}
_, err = ApiPost("/api/v1/submit?source_device_id="+config.DeviceId, "application/json", jsonValue)
if err != nil {
return fmt.Errorf("failed to reupload due to failed POST: %w", err)
}
}
return nil
}
func RetrieveAdditionalEntriesFromRemote(ctx context.Context) error {
db := hctx.GetDb(ctx)
config := hctx.GetConf(ctx)
if config.IsOffline {
return nil
}
respBody, err := ApiGet("/api/v1/query?device_id=" + config.DeviceId + "&user_id=" + data.UserId(config.UserSecret))
if IsOfflineError(err) {
return nil
}
if err != nil {
return err
}
var retrievedEntries []*shared.EncHistoryEntry
err = json.Unmarshal(respBody, &retrievedEntries)
if err != nil {
return fmt.Errorf("failed to load JSON response: %w", err)
}
for _, entry := range retrievedEntries {
decEntry, err := data.DecryptHistoryEntry(config.UserSecret, *entry)
if err != nil {
return fmt.Errorf("failed to decrypt history entry from server: %w", err)
}
AddToDbIfNew(db, decEntry)
}
return ProcessDeletionRequests(ctx)
}
func ProcessDeletionRequests(ctx context.Context) error {
config := hctx.GetConf(ctx)
if config.IsOffline {
return nil
}
resp, err := ApiGet("/api/v1/get-deletion-requests?user_id=" + data.UserId(config.UserSecret) + "&device_id=" + config.DeviceId)
if IsOfflineError(err) {
return nil
}
if err != nil {
return err
}
var deletionRequests []*shared.DeletionRequest
err = json.Unmarshal(resp, &deletionRequests)
if err != nil {
return err
}
db := hctx.GetDb(ctx)
for _, request := range deletionRequests {
for _, entry := range request.Messages.Ids {
res := db.Where("device_id = ? AND end_time = ?", entry.DeviceId, entry.Date).Delete(&data.HistoryEntry{})
if res.Error != nil {
return fmt.Errorf("DB error: %w", res.Error)
}
}
}
return nil
}
func GetBanner(ctx context.Context) ([]byte, error) {
config := hctx.GetConf(ctx)
if config.IsOffline {
return []byte{}, nil
}
url := "/api/v1/banner?commit_hash=" + GitCommit + "&user_id=" + data.UserId(config.UserSecret) + "&device_id=" + config.DeviceId + "&version=" + Version + "&forced_banner=" + os.Getenv("FORCED_BANNER")
return ApiGet(url)
}
func parseTimeGenerously(input string) (time.Time, error) {
input = strings.ReplaceAll(input, "_", " ")
return dateparse.ParseLocal(input)
}
func MakeWhereQueryFromSearch(ctx context.Context, db *gorm.DB, query string) (*gorm.DB, error) {
tokens, err := tokenize(query)
if err != nil {
return nil, fmt.Errorf("failed to tokenize query: %w", err)
}
tx := db.Model(&data.HistoryEntry{}).Where("true")
for _, token := range tokens {
if strings.HasPrefix(token, "-") {
if token == "-" {
// The entire token is a -, just ignore this token. Otherwise we end up
// interpreting "-" as exluding literally all results which is pretty useless.
continue
}
if containsUnescaped(token, ":") {
query, v1, v2, err := parseAtomizedToken(ctx, token[1:])
if err != nil {
return nil, err
}
tx = tx.Where("NOT "+query, v1, v2)
} else {
query, v1, v2, v3, err := parseNonAtomizedToken(token[1:])
if err != nil {
return nil, err
}
tx = tx.Where("NOT "+query, v1, v2, v3)
}
} else if containsUnescaped(token, ":") {
query, v1, v2, err := parseAtomizedToken(ctx, token)
if err != nil {
return nil, err
}
tx = tx.Where(query, v1, v2)
} else {
query, v1, v2, v3, err := parseNonAtomizedToken(token)
if err != nil {
return nil, err
}
tx = tx.Where(query, v1, v2, v3)
}
}
return tx, nil
}
func Search(ctx context.Context, db *gorm.DB, query string, limit int) ([]*data.HistoryEntry, error) {
if ctx == nil && query != "" {
return nil, fmt.Errorf("lib.Search called with a nil context and a non-empty query (this should never happen)")
}
tx, err := MakeWhereQueryFromSearch(ctx, db, query)
if err != nil {
return nil, err
}
if hctx.GetConf(ctx).BetaMode {
tx = tx.Order("start_time DESC")
} else {
tx = tx.Order("end_time DESC")
}
if limit > 0 {
tx = tx.Limit(limit)
}
var historyEntries []*data.HistoryEntry
result := tx.Find(&historyEntries)
if result.Error != nil {
return nil, fmt.Errorf("DB query error: %w", result.Error)
}
return historyEntries, nil
}
func parseNonAtomizedToken(token string) (string, interface{}, interface{}, interface{}, error) {
wildcardedToken := "%" + unescape(token) + "%"
return "(command LIKE ? OR hostname LIKE ? OR current_working_directory LIKE ?)", wildcardedToken, wildcardedToken, wildcardedToken, nil
}
func parseAtomizedToken(ctx context.Context, token string) (string, interface{}, interface{}, error) {
splitToken := splitEscaped(token, ':', 2)
field := unescape(splitToken[0])
val := unescape(splitToken[1])
switch field {
case "user":
return "(local_username = ?)", val, nil, nil
case "host":
fallthrough
case "hostname":
return "(instr(hostname, ?) > 0)", val, nil, nil
case "cwd":
return "(instr(current_working_directory, ?) > 0 OR instr(REPLACE(current_working_directory, '~/', home_directory), ?) > 0)", strings.TrimSuffix(val, "/"), strings.TrimSuffix(val, "/"), nil
case "exit_code":
return "(exit_code = ?)", val, nil, nil
case "before":
t, err := parseTimeGenerously(val)
if err != nil {
return "", nil, nil, fmt.Errorf("failed to parse before:%s as a timestamp: %w", val, err)
}
return "(CAST(strftime(\"%s\",start_time) AS INTEGER) < ?)", t.Unix(), nil, nil
case "after":
t, err := parseTimeGenerously(val)
if err != nil {
return "", nil, nil, fmt.Errorf("failed to parse after:%s as a timestamp: %w", val, err)
}
return "(CAST(strftime(\"%s\",start_time) AS INTEGER) > ?)", t.Unix(), nil, nil
case "start_time":
// Note that this atom probably isn't useful for interactive usage since it does exact matching, but we use it
// internally for pre-saving history entries.
t, err := parseTimeGenerously(val)
if err != nil {
return "", nil, nil, fmt.Errorf("failed to parse start_time:%s as a timestamp: %w", val, err)
}
return "(CAST(strftime(\"%s\",start_time) AS INTEGER) = ?)", t.Unix(), nil, nil
case "end_time":
// Note that this atom probably isn't useful for interactive usage since it does exact matching, but we use it
// internally for pre-saving history entries.
t, err := parseTimeGenerously(val)
if err != nil {
return "", nil, nil, fmt.Errorf("failed to parse end_time:%s as a timestamp: %w", val, err)
}
return "(CAST(strftime(\"%s\",end_time) AS INTEGER) = ?)", t.Unix(), nil, nil
case "command":
return "(instr(command, ?) > 0)", val, nil, nil
default:
knownCustomColumns := make([]string, 0)
// Get custom columns that are defined on this machine
conf := hctx.GetConf(ctx)
for _, c := range conf.CustomColumns {
knownCustomColumns = append(knownCustomColumns, c.ColumnName)
}
// Also get all ones that are in the DB
names, err := getAllCustomColumnNames(ctx)
if err != nil {
return "", nil, nil, fmt.Errorf("failed to get custom column names from the DB: %w", err)
}
knownCustomColumns = append(knownCustomColumns, names...)
// Check if the atom is for a custom column that exists and if it isn't, return an error
isCustomColumn := false
for _, ccName := range knownCustomColumns {
if ccName == field {
isCustomColumn = true
}
}
if !isCustomColumn {
return "", nil, nil, fmt.Errorf("search query contains unknown search atom '%s' that doesn't match any column names", field)
}
// Build the where clause for the custom column
return "EXISTS (SELECT 1 FROM json_each(custom_columns) WHERE json_extract(value, '$.name') = ? and instr(json_extract(value, '$.value'), ?) > 0)", field, val, nil
}
}
func getAllCustomColumnNames(ctx context.Context) ([]string, error) {
db := hctx.GetDb(ctx)
query := `
SELECT DISTINCT json_extract(value, '$.name') as cc_name
FROM history_entries
JOIN json_each(custom_columns)
WHERE value IS NOT NULL
LIMIT 10`
rows, err := db.Raw(query).Rows()
if err != nil {
return nil, err
}
ccNames := make([]string, 0)
for rows.Next() {
var ccName string
err = rows.Scan(&ccName)
if err != nil {
return nil, err
}
ccNames = append(ccNames, ccName)
}
return ccNames, nil
}
func tokenize(query string) ([]string, error) {
if query == "" {
return []string{}, nil
}
return splitEscaped(query, ' ', -1), nil
}
func splitEscaped(query string, separator rune, maxSplit int) []string {
var token []rune
var tokens []string
splits := 1
runeQuery := []rune(query)
for i := 0; i < len(runeQuery); i++ {
if (maxSplit < 0 || splits < maxSplit) && runeQuery[i] == separator {
tokens = append(tokens, string(token))
token = token[:0]
splits++
} else if runeQuery[i] == '\\' && i+1 < len(runeQuery) {
token = append(token, runeQuery[i], runeQuery[i+1])
i++
} else {
token = append(token, runeQuery[i])
}
}
tokens = append(tokens, string(token))
return tokens
}
func containsUnescaped(query string, token string) bool {
runeQuery := []rune(query)
for i := 0; i < len(runeQuery); i++ {
if runeQuery[i] == '\\' && i+1 < len(runeQuery) {
i++
} else if string(runeQuery[i:i+len(token)]) == token {
return true
}
}
return false
}
func unescape(query string) string {
runeQuery := []rune(query)
var newQuery []rune
for i := 0; i < len(runeQuery); i++ {
if runeQuery[i] == '\\' {
i++
}
if i < len(runeQuery) {
newQuery = append(newQuery, runeQuery[i])
}
}
return string(newQuery)
}
func GetDumpRequests(config hctx.ClientConfig) ([]*shared.DumpRequest, error) {
if config.IsOffline {
return make([]*shared.DumpRequest, 0), nil
}
resp, err := ApiGet("/api/v1/get-dump-requests?user_id=" + data.UserId(config.UserSecret) + "&device_id=" + config.DeviceId)
if IsOfflineError(err) {
return []*shared.DumpRequest{}, nil
}
if err != nil {
return nil, err
}
var dumpRequests []*shared.DumpRequest
err = json.Unmarshal(resp, &dumpRequests)
return dumpRequests, err
}
func SendDeletionRequest(deletionRequest shared.DeletionRequest) error {
data, err := json.Marshal(deletionRequest)
if err != nil {
return err
}
_, err = ApiPost("/api/v1/add-deletion-request", "application/json", data)
if err != nil {
return fmt.Errorf("failed to send deletion request to backend service, this may cause commands to not get deleted on other instances of hishtory: %w", err)
}
return nil
}