From f41f75d10b27c78058ec809f42397c1c4760b0cb Mon Sep 17 00:00:00 2001 From: kiper292 Date: Sun, 5 Apr 2026 00:12:02 +0500 Subject: [PATCH] Update vk_captcha.go --- client/vk_captcha.go | 92 +++++++++++++++----------------------------- 1 file changed, 32 insertions(+), 60 deletions(-) diff --git a/client/vk_captcha.go b/client/vk_captcha.go index 8e3a348..92abf49 100644 --- a/client/vk_captcha.go +++ b/client/vk_captcha.go @@ -91,11 +91,8 @@ func ExtractCaptchaData(errResp map[string]interface{}) (*VkCaptchaData, bool) { func SolveVkCaptcha(ctx context.Context, captchaData *VkCaptchaData) (string, error) { log.Printf("[Captcha] Solving Not Robot Captcha...") - // HAR: Token 2 error → Captcha HTML = 2.72s (browser page load + user perception) - time.Sleep(1500*time.Millisecond + time.Duration(rand.Intn(1000))*time.Millisecond) - // Fetch captcha HTML (browser redirect) - powInput, difficulty, cookies, err := fetchCaptchaPowInput(ctx, captchaData.RedirectURI) + powInput, difficulty, err := fetchCaptchaPowInput(ctx, captchaData.RedirectURI) if err != nil { return "", fmt.Errorf("failed to fetch powInput: %w", err) } @@ -105,8 +102,8 @@ func SolveVkCaptcha(ctx context.Context, captchaData *VkCaptchaData) (string, er hash := solveCaptchaPoW(powInput, difficulty) log.Printf("[Captcha] PoW solved: hash=%s", hash) - // Call captchaNotRobot API with cookies from captcha page - successToken, err := callCaptchaNotRobotAPI(ctx, captchaData.SessionToken, hash, cookies) + // Call captchaNotRobot API + successToken, err := callCaptchaNotRobotAPI(ctx, captchaData.SessionToken, hash) if err != nil { return "", fmt.Errorf("captchaNotRobot API failed: %w", err) } @@ -115,10 +112,10 @@ func SolveVkCaptcha(ctx context.Context, captchaData *VkCaptchaData) (string, er return successToken, nil } -func fetchCaptchaPowInput(ctx context.Context, redirectURI string) (string, int, string, error) { +func fetchCaptchaPowInput(ctx context.Context, redirectURI string) (string, int, error) { req, err := http.NewRequestWithContext(ctx, "GET", redirectURI, nil) if err != nil { - return "", 0, "", err + return "", 0, err } req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36") req.Header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8") @@ -133,25 +130,13 @@ func fetchCaptchaPowInput(ctx context.Context, redirectURI string) (string, int, resp, err := client.Do(req) if err != nil { - return "", 0, "", err + return "", 0, err } defer resp.Body.Close() - // Capture Set-Cookie headers - var cookieValues []string - for _, setCookie := range resp.Header.Values("Set-Cookie") { - // Extract just the cookie name=value part (before ; expires= or ; path=) - cookieParts := strings.Split(setCookie, ";") - cookieValues = append(cookieValues, strings.TrimSpace(cookieParts[0])) - } - cookies := strings.Join(cookieValues, "; ") - if cookies != "" { - log.Printf("[Captcha] Captcha page set %d cookie(s)", len(cookieValues)) - } - body, err := io.ReadAll(resp.Body) if err != nil { - return "", 0, "", err + return "", 0, err } html := string(body) @@ -160,7 +145,7 @@ func fetchCaptchaPowInput(ctx context.Context, redirectURI string) (string, int, powInputRe := regexp.MustCompile(`const\s+powInput\s*=\s*"([^"]+)"`) powInputMatch := powInputRe.FindStringSubmatch(html) if len(powInputMatch) < 2 { - return "", 0, "", fmt.Errorf("powInput not found in captcha HTML") + return "", 0, fmt.Errorf("powInput not found in captcha HTML") } powInput := powInputMatch[1] @@ -174,7 +159,7 @@ func fetchCaptchaPowInput(ctx context.Context, redirectURI string) (string, int, } } - return powInput, difficulty, cookies, nil + return powInput, difficulty, nil } func solveCaptchaPoW(powInput string, difficulty int) string { @@ -190,7 +175,7 @@ func solveCaptchaPoW(powInput string, difficulty int) string { return "" } -func callCaptchaNotRobotAPI(ctx context.Context, sessionToken, hash, cookies string) (string, error) { +func callCaptchaNotRobotAPI(ctx context.Context, sessionToken, hash string) (string, error) { vkReq := func(method string, postData string) (map[string]interface{}, error) { requestURL := fmt.Sprintf("https://api.vk.ru/method/%s?v=%s", method, vkCaptchaNotRobotVer) @@ -199,24 +184,20 @@ func callCaptchaNotRobotAPI(ctx context.Context, sessionToken, hash, cookies str return nil, err } // Headers matching HAR capture exactly - req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36") + req.Header.Set("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36") req.Header.Set("Content-Type", "application/x-www-form-urlencoded") req.Header.Set("Accept", "*/*") req.Header.Set("Accept-Language", "en-US,en;q=0.9") - req.Header.Set("Origin", "https://id.vk.ru") - req.Header.Set("Referer", "https://id.vk.ru/") - req.Header.Set("sec-ch-ua-platform", `"Windows"`) - req.Header.Set("sec-ch-ua", `"Chromium";v="146", "Not-A.Brand";v="24", "Google Chrome";v="146"`) + req.Header.Set("Origin", "https://vk.ru") + req.Header.Set("Referer", "https://vk.ru/") + req.Header.Set("sec-ch-ua-platform", "\"Linux\"") + req.Header.Set("sec-ch-ua", "\"Chromium\";v=\"146\", \"Not-A.Brand\";v=\"24\", \"Google Chrome\";v=\"146\"") req.Header.Set("sec-ch-ua-mobile", "?0") + req.Header.Set("DNT", "1") req.Header.Set("Sec-Fetch-Site", "same-site") req.Header.Set("Sec-Fetch-Mode", "cors") req.Header.Set("Sec-Fetch-Dest", "empty") - req.Header.Set("DNT", "1") - req.Header.Set("Priority", "u=1, i") - // Add cookies captured from captcha page - if cookies != "" { - req.Header.Set("Cookie", cookies) - } + req.Header.Set("Sec-GPC", "1") client := &http.Client{ Timeout: 20 * time.Second, @@ -253,46 +234,38 @@ func callCaptchaNotRobotAPI(ctx context.Context, sessionToken, hash, cookies str if err != nil { return "", fmt.Errorf("settings failed: %w", err) } - // HAR: settings → componentDone = 0.19s - time.Sleep(100*time.Millisecond + time.Duration(rand.Intn(100))*time.Millisecond) + time.Sleep(200 * time.Millisecond) // Step 2: componentDone log.Printf("[Captcha] Step 2/4: componentDone") - browserFp := fmt.Sprintf("%032x", uint64(time.Now().UnixNano())) + browserFp := fmt.Sprintf("%032x", rand.Int63()) deviceJSON := `{"screenWidth":1920,"screenHeight":1080,"screenAvailWidth":1920,"screenAvailHeight":1032,"innerWidth":1920,"innerHeight":945,"devicePixelRatio":1,"language":"en-US","languages":["en-US"],"webdriver":false,"hardwareConcurrency":16,"deviceMemory":8,"connectionEffectiveType":"4g","notificationsPermission":"denied"}` componentData := baseParams + fmt.Sprintf("&browser_fp=%s&device=%s", browserFp, url.QueryEscape(deviceJSON)) _, err = vkReq("captchaNotRobot.componentDone", componentData) if err != nil { return "", fmt.Errorf("componentDone failed: %w", err) } - // HAR: componentDone → check ≈ 1.95s + statEvents delay ≈ 3.2s total - time.Sleep(1500*time.Millisecond + time.Duration(rand.Intn(1000))*time.Millisecond) + time.Sleep(200 * time.Millisecond) // Step 3: check log.Printf("[Captcha] Step 3/4: check") cursorJSON := `[{"x":950,"y":500},{"x":945,"y":510},{"x":940,"y":520},{"x":938,"y":525},{"x":938,"y":525}]` answer := base64.StdEncoding.EncodeToString([]byte("{}")) // e30= - // Generate random connectionDownlink values (simulating Network Information API) - // HAR shows browser repeats the same value 7 times: [9.8,9.8,9.8,9.8,9.8,9.8,9.8] - baseDownlink := 8.0 + rand.Float64()*4.0 // Random in [8.0, 12.0) for typical WiFi - downlinkStr := fmt.Sprintf("%.1f", baseDownlink) - connectionDownlink := "[" + downlinkStr + "," + downlinkStr + "," + downlinkStr + "," + downlinkStr + "," + downlinkStr + "," + downlinkStr + "," + downlinkStr + "]" - checkData := baseParams + fmt.Sprintf( "&accelerometer=%s&gyroscope=%s&motion=%s&cursor=%s&taps=%s&connectionRtt=%s&connectionDownlink=%s"+ "&browser_fp=%s&hash=%s&answer=%s&debug_info=%s", - url.QueryEscape("[]"), // accelerometer - url.QueryEscape("[]"), // gyroscope - url.QueryEscape("[]"), // motion - url.QueryEscape(cursorJSON), // cursor - url.QueryEscape("[]"), // taps - url.QueryEscape("[]"), // connectionRtt - url.QueryEscape(connectionDownlink), - browserFp, // browser_fp - hash, // hash (PoW result) - answer, // answer - vkDebugInfo, // debug_info (static) + url.QueryEscape("[]"), // accelerometer + url.QueryEscape("[]"), // gyroscope + url.QueryEscape("[]"), // motion + url.QueryEscape(cursorJSON), // cursor + url.QueryEscape("[]"), // taps + url.QueryEscape("[]"), // connectionRtt + url.QueryEscape("[9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5,9.5]"), // connectionDownlink (16 values as in HAR) + browserFp, // browser_fp + hash, // hash (PoW result) + answer, // answer + vkDebugInfo, // debug_info (static) ) checkResp, err := vkReq("captchaNotRobot.check", checkData) @@ -314,8 +287,7 @@ func callCaptchaNotRobotAPI(ctx context.Context, sessionToken, hash, cookies str if !ok || successToken == "" { return "", fmt.Errorf("success_token not found in check response: %v", checkResp) } - // HAR: check → endSession = 0.48s - time.Sleep(200*time.Millisecond + time.Duration(rand.Intn(300))*time.Millisecond) + time.Sleep(200 * time.Millisecond) // Step 4: endSession log.Printf("[Captcha] Step 4/4: endSession")