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147 lines
4.6 KiB
147 lines
4.6 KiB
package main
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import (
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"encoding/json"
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"math/rand"
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"os"
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"path/filepath"
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"sync"
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)
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type Profile struct {
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UserAgent string
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SecChUa string
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SecChUaMobile string
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SecChUaPlatform string
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}
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// SavedProfile is the captured browser fingerprint persisted after a manual
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// captcha session. Reused for subsequent auto-solve attempts so VK sees a
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// consistent (browser_fp, device, UA) triple rather than a freshly-generated one.
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type SavedProfile struct {
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Profile
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DeviceJSON string
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BrowserFp string
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}
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const profileFileName = "vk_profile.json"
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var (
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profilePathOnce sync.Once
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profilePathVal string
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)
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// profileFilePath returns a writeable absolute path for the cached browser
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// profile. Order: $VK_PROFILE_PATH, os.UserCacheDir(), os.TempDir(), CWD.
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// CWD is last because on Android it's the read-only APK lib dir.
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func profileFilePath() string {
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profilePathOnce.Do(func() {
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if p := os.Getenv("VK_PROFILE_PATH"); p != "" {
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profilePathVal = p
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return
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}
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if dir, err := os.UserCacheDir(); err == nil {
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sub := filepath.Join(dir, "vk-turn-proxy")
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if mkErr := os.MkdirAll(sub, 0o755); mkErr == nil {
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profilePathVal = filepath.Join(sub, profileFileName)
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return
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}
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}
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if tmp := os.TempDir(); tmp != "" {
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profilePathVal = filepath.Join(tmp, profileFileName)
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return
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}
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profilePathVal = profileFileName
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})
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return profilePathVal
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}
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func LoadProfileFromDisk() (*SavedProfile, error) {
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data, err := os.ReadFile(profileFilePath())
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if err != nil {
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return nil, err
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}
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var sp SavedProfile
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if err := json.Unmarshal(data, &sp); err != nil {
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return nil, err
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}
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return &sp, nil
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}
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func SaveProfileToDisk(sp SavedProfile) error {
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data, err := json.MarshalIndent(sp, "", " ")
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if err != nil {
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return err
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}
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return os.WriteFile(profileFilePath(), data, 0o644)
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}
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// profile contains paired User-Agent and Client Hints strings to harden bot detection.
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var profile = []Profile{
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// Windows Chrome
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{
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UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="146", "Not-A.Brand";v="24", "Google Chrome";v="146"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Windows"`,
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},
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{
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UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="145", "Not-A.Brand";v="99", "Google Chrome";v="145"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Windows"`,
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},
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{
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UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="144", "Not-A.Brand";v="8", "Google Chrome";v="144"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Windows"`,
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},
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// Windows Edge
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{
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UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 Edg/146.0.0.0",
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SecChUa: `"Chromium";v="146", "Not-A.Brand";v="24", "Microsoft Edge";v="146"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Windows"`,
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},
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{
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UserAgent: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.0",
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SecChUa: `"Chromium";v="145", "Not-A.Brand";v="99", "Microsoft Edge";v="145"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Windows"`,
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},
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// macOS Chrome
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{
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UserAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="146", "Not-A.Brand";v="24", "Google Chrome";v="146"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"macOS"`,
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},
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{
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UserAgent: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="145", "Not-A.Brand";v="99", "Google Chrome";v="145"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"macOS"`,
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},
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// Linux Chrome
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{
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UserAgent: "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="146", "Not-A.Brand";v="24", "Google Chrome";v="146"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Linux"`,
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},
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{
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UserAgent: "Mozilla/5.0 (X11; Ubuntu; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36",
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SecChUa: `"Chromium";v="144", "Not-A.Brand";v="8", "Google Chrome";v="144"`,
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SecChUaMobile: "?0",
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SecChUaPlatform: `"Linux"`,
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},
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}
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// getRandomProfile returns a paired User-Agent and Client Hints profile.
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func getRandomProfile() Profile {
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return profile[rand.Intn(len(profile))]
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}
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