govd/util/misc.go
2025-04-20 13:03:53 +02:00

153 lines
2.9 KiB
Go

package util
import (
"fmt"
"net/http"
"os"
"os/exec"
"path/filepath"
"strings"
"time"
"github.com/pkg/errors"
"github.com/PaulSonOfLars/gotgbot/v2"
"github.com/aki237/nscjar"
)
var cookiesCache = make(map[string][]*http.Cookie)
func GetLocationURL(
url string,
userAgent string,
) (string, error) {
req, err := http.NewRequest(http.MethodGet, url, nil)
if err != nil {
return "", fmt.Errorf("failed to create request: %w", err)
}
if userAgent == "" {
userAgent = ChromeUA
}
req.Header.Set("User-Agent", userAgent)
session := GetDefaultHTTPClient()
resp, err := session.Do(req)
if err != nil {
return "", fmt.Errorf("failed to send request: %w", err)
}
defer resp.Body.Close()
return resp.Request.URL.String(), nil
}
func IsUserAdmin(
bot *gotgbot.Bot,
chatID int64,
userID int64,
) bool {
chatMember, err := bot.GetChatMember(chatID, userID, nil)
if err != nil {
return false
}
if chatMember == nil {
return false
}
status := chatMember.GetStatus()
switch status {
case "creator":
return true
case "administrator":
if chatMember.MergeChatMember().CanChangeInfo {
return true
}
return false
}
return false
}
func EscapeCaption(str string) string {
// we wont use html.EscapeString
// cuz it will escape all the characters
// and we only need to escape < and >
chars := map[string]string{
"<": "&lt;",
">": "&gt;",
}
for k, v := range chars {
str = strings.ReplaceAll(str, k, v)
}
return str
}
func GetLastError(err error) error {
var lastErr error = err
for {
unwrapped := errors.Unwrap(lastErr)
if unwrapped == nil {
break
}
lastErr = unwrapped
}
return lastErr
}
func ParseCookieFile(fileName string) ([]*http.Cookie, error) {
cachedCookies, ok := cookiesCache[fileName]
if ok {
return cachedCookies, nil
}
cookiePath := filepath.Join("cookies", fileName)
cookieFile, err := os.Open(cookiePath)
if err != nil {
return nil, fmt.Errorf("failed to open cookie file: %w", err)
}
defer cookieFile.Close()
var parser nscjar.Parser
cookies, err := parser.Unmarshal(cookieFile)
if err != nil {
return nil, fmt.Errorf("failed to parse cookie file: %w", err)
}
cookiesCache[fileName] = cookies
return cookies, nil
}
func FixURL(url string) string {
return strings.ReplaceAll(url, "&amp;", "&")
}
func CheckFFmpeg() bool {
_, err := exec.LookPath("ffmpeg")
return err == nil
}
func CleanupDownloadsDir() {
downloadsDir := os.Getenv("DOWNLOAD_DIR")
if downloadsDir == "" {
downloadsDir = "downloads"
}
filepath.Walk(downloadsDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return nil
}
if path == downloadsDir {
return nil
}
if time.Since(info.ModTime()) > 30*time.Minute {
if info.IsDir() {
os.RemoveAll(path)
} else {
os.Remove(path)
}
}
return nil
})
}
func StartDownloadsCleanup() {
ticker := time.NewTicker(1 * time.Hour)
go func() {
for {
CleanupDownloadsDir()
<-ticker.C
}
}()
}