Старый сниппет ReCaptcha2

Owned by Dmitry Sherstnev (Unlicensed)
Jun 13, 2021
4 min read
// Main settings // waiting timeout var waitTime = 1000; // recognition attempts var tryRecognize = 3; // attempts to load element var tryLoadElement = 60; // receive full answer bool fullAnswer = true; // show recognizing progress messages var needShowMessages = false; // need to check correctness of answer var needToCheck = true; // Additional variables // tab var tab = instance.ActiveTab; // ReCaptcha image (w/out "I'm not robot" button) bool isNewView = true; // congratulations, you are not robot var success = false; // timeout exceeded var timeout = false; // task for ReCaptcha 2 var task = string.Empty; // image url var src = string.Empty; // image in base64 encoding var imageString = string.Empty; // answer to captcha var answer = string.Empty; // captcha has been updated var changed = false; // answer is empty var answerIsEmpty = false; var coincidenceReCaptcha2Index = -1; // Checking protection bypass Action CheckOK= () => { System.Threading.Thread.Sleep(waitTime); // waiting when elements will be loaded for (int k = 0; k < tryLoadElement; k++) { var check = tab.FindElementByAttribute("div", "class", "recaptcha-checkbox-checkmark", "regexp", coincidenceReCaptcha2Index); var more = tab.FindElementByAttribute("div", "class", "rc-imageselect-error-select-more", "regexp", 0); var wrong = tab.FindElementByAttribute("div", "class", "rc-imageselect-incorrect-response", "regexp", 0); if (!more.IsVoid && !wrong.IsVoid) { var isNotVisibleMore = more.GetAttribute("outerhtml").Replace(" ","").Contains("display:none"); var isNotVisibleWrong = wrong.GetAttribute("outerhtml").Replace(" ","").Contains("display:none"); if (isNotVisibleMore && isNotVisibleWrong) { if (!check.IsVoid) { if (check.OuterHtml.Contains("style=\"\"")) { success = true; break; } } else System.Threading.Thread.Sleep(waitTime); } else break; } if (k == (tryLoadElement - 1)) timeout = true; } }; Action UpdateImage= () => { // updating captcha if necessary if (!changed) { HtmlElement reload = null; if (isNewView) reload = tab.FindElementById("recaptcha-reload-button"); else reload = tab.GetDocumentByAddress("0;0").FindElementByTag("form", 1).FindChildByAttribute("input:submit", "class", "fbc-button-reload fbc-button", "regexp", 0); if (!reload.IsVoid) reload.Click(); else timeout = true; } changed = false; for (int k = 0; k < tryLoadElement; k++) { System.Threading.Thread.Sleep(waitTime); // waiting when element will be loaded // searching image var testImage = tab.FindElementByAttribute("img", "class", "rc-image-tile", "regexp", 0); if (testImage.IsVoid) continue; // getting image url var newSrc = testImage.GetAttribute("src"); // if image has been updated, then exit if (newSrc != src) break; if (k == (tryLoadElement - 1)) timeout = true; } }; Action VisibleIndexReCaptchaDefinition= () => { var recaptchaElementsGroup = tab.FindElementsByAttribute("div", "class", "recaptcha-checkbox-checkmark", "regexp"); int length = recaptchaElementsGroup.Elements.Length; if (length == 1) { coincidenceReCaptcha2Index = 0; return; } for(int i = 0; i < length; i++) { var element = recaptchaElementsGroup.Elements[i]; if (!element.IsVoid) { int x = element.DisplacementInTabWindow.X; int y = element.DisplacementInTabWindow.Y; var suspectVisibleElement = tab.GetElementFromPoint(x, y).DisplacementInTabWindow; if (x == suspectVisibleElement.X && y == suspectVisibleElement.Y) { coincidenceReCaptcha2Index = i; break; } } } }; Action SearchReCaptcha2= () => { project.SendInfoToLog("Searching ReCaptcha 2", needShowMessages); for (int k = 0; k < tryLoadElement; k++) { VisibleIndexReCaptchaDefinition(); if (coincidenceReCaptcha2Index < 0) continue; // searching "I'm not robot" button var notRobot = tab.FindElementByAttribute("div", "class", "recaptcha-checkbox-checkmark", "regexp", coincidenceReCaptcha2Index); // if found if (!notRobot.IsVoid) { // click button notRobot.Click(); System.Threading.Thread.Sleep(waitTime); // pause // if entering captcha is not required var check = tab.FindElementByAttribute("div", "class", "recaptcha-checkbox-checkmark", "regexp", 0); if (!check.IsVoid) { if (check.OuterHtml.Contains("style=\"\"")) { success = true; break; } } // waiting when the form will be loaded for (int j = 0; j < tryLoadElement; j++) { var loadedForm = tab.FindElementByAttribute("div", "class", "primary-controls", "regexp", 0); if (!loadedForm.IsVoid) break; else System.Threading.Thread.Sleep(waitTime); // waiting when element will be loaded if (j == (tryLoadElement - 1)) timeout = true; } break; } else { // checking if this is mobile ReCaptcha var form = tab.FindElementByAttribute("form", "fulltag", "form", "text", 0); if (!form.IsVoid) { isNewView = false; fullAnswer = false; break; } else System.Threading.Thread.Sleep(waitTime); // waiting when element will be loaded } if (k == (tryLoadElement - 1)) timeout = true; } }; Action SearchTask= () => { project.SendInfoToLog("Searching task", needShowMessages); for (int k = 0; k < tryLoadElement; k++) { HtmlElement taskHe = null; if (isNewView) taskHe = tab.FindElementByAttribute("div", "class", "rc-imageselect-desc-wrapper", "regexp", 0); else taskHe = tab.FindElementByAttribute("label", "class", "fbc-imageselect-message-text", "regexp", 0); if (!isNewView && taskHe.IsVoid) taskHe = tab.FindElementByAttribute("div", "class", "fbc-imageselect-message-error", "regexp", 0); if (!taskHe.IsVoid) { task = taskHe.GetAttribute("innertext"); // getting task if (task.ToLower().Contains("click verify once there are none left")) throw new Exception("Not recognized"); if (task.ToLower().Contains("street signs")) { UpdateImage(); continue; } break; } else System.Threading.Thread.Sleep(waitTime); // waiting when element will be loaded if (k == (tryLoadElement - 1)) timeout = true; } }; Action SearchImage= () => { project.SendInfoToLog("Searching image", needShowMessages); System.Threading.Thread.Sleep(waitTime * 3); // waiting when element will be loaded for (int k = 0; k < tryLoadElement; k++) { HtmlElement image = null; if (isNewView) image = tab.FindElementByAttribute("img", "class", "rc-image-tile", "regexp", 0); else image = tab.FindElementByAttribute("img", "class", "fbc-imageselect-payload", "regexp", 0); // if found if (!image.IsVoid) { // getting image url src = image.GetAttribute("src"); imageString = image.DrawToBitmap(true); break; } else System.Threading.Thread.Sleep(waitTime); // waiting when element will be loaded if (k == (tryLoadElement - 1)) timeout = true; } }; Action Recognize= () => { project.SendInfoToLog("Recognizing", needShowMessages); if (!isNewView) fullAnswer = false; var answerString = ZennoPoster.CaptchaRecognition("CapMonster2.dll", imageString, String.Format("Task={0}&FullAnswer={1}", task, fullAnswer)); var split = answerString.Split(new [] { "-|-" }, StringSplitOptions.RemoveEmptyEntries); answer = split[0]; }; Action InputAnswer= () => { if (!String.IsNullOrEmpty(answer) && answer != "sorry") { project.SendInfoToLog("Entering and verifying answer", needShowMessages); int count = 0; foreach (char c in answer) { if (fullAnswer) { if (count == 2) break; } int index; HtmlElement he = null; if (isNewView) { index = Convert.ToInt32(c.ToString()) - 1; he = tab.FindElementByAttribute("img", "class", "rc-image-tile", "regexp", index); } else { string attrValue = "fbc-imageselect-checkbox-" + c; he = tab.FindElementByAttribute("input:checkbox", "class", attrValue, "regexp", 0); } if (!he.IsVoid) { he.Click(); //click picture System.Threading.Thread.Sleep(waitTime);// pause } if (fullAnswer) count++; } // searching "Verify" button HtmlElement apply = null; if (isNewView) apply = tab.FindElementById("recaptcha-verify-button"); else apply = tab.GetDocumentByAddress("0;0").FindElementByTag("form", 0).FindChildByAttribute("input:submit", "fulltag", "input:submit", "text", 0); if (!apply.IsVoid) apply.Click(); // checking if answer is correct if (isNewView) { CheckOK(); if (success) return; // entering remained part of answer if (fullAnswer) { for (int i = count; i < answer.Length; i++) { // searching image again var testImage = tab.FindElementByAttribute("img", "class", "rc-image-tile", "regexp", 0); if (testImage.IsVoid) break; // getting image url var newSrc = testImage.GetAttribute("src"); // if image has been changed, then exit if (newSrc != src) break; else changed = true; // else continue entering int index = Convert.ToInt32(answer[i].ToString()) - 1; var he = tab.FindElementByAttribute("img", "class", "rc-image-tile", "regexp", index); if (!he.IsVoid) { he.Click(); System.Threading.Thread.Sleep(waitTime); // pause if (!apply.IsVoid) apply.Click(); CheckOK(); if (success) return; } } } } } else answerIsEmpty = true; }; // Additonal actions for old type ReCaptcha Action ActsOldView= () => { System.Threading.Thread.Sleep(waitTime * 3); // waiting when element will be loaded // checking if there is a mistake in recognition HtmlElement he = tab.FindElementByAttribute("img", "class", "fbc-imageselect-payload", "regexp", 0); if (!he.IsVoid) { return; } string txt = string.Empty; // searching text to insert for (int k = 0; k < tryLoadElement; k++) { HtmlElement heGetText = tab.FindElementByAttribute("textarea", "dir", "ltr", "regexp", 0); if (!heGetText.IsVoid) { txt = heGetText.GetAttribute("value"); break; } else { System.Threading.Thread.Sleep(waitTime); // pause continue; } if (k == (tryLoadElement - 1)) timeout = true; } // searching field to insert text for (int k = 0; k < tryLoadElement; k++) { HtmlElement hePutText = tab.FindElementByAttribute("textarea", "id", "g-recaptcha-response", "regexp", 0); if (!hePutText.IsVoid) { hePutText.SetValue(txt, "None", false); break; } else { System.Threading.Thread.Sleep(waitTime); // pause continue; } if (k == (tryLoadElement - 1)) timeout = true; } // pressing "Verify" for (int k = 0; k < tryLoadElement; k++) { var submit = tab.FindElementByAttribute("input:submit", "fulltag", "input:submit", "regexp", 0); if (!submit.IsVoid) { submit.Click(); break; } else { System.Threading.Thread.Sleep(waitTime); // pause continue; } if (k == (tryLoadElement - 1)) timeout = true; } success = true; }; SearchReCaptcha2(); if (timeout) throw new Exception("Element loading timeout has been exceeded"); for (int i = 0; i < tryRecognize; i++) { SearchTask(); if (timeout) break; SearchImage(); if (timeout) break; Recognize(); InputAnswer(); if (!needToCheck) return "ok"; if (answerIsEmpty) { answerIsEmpty = false; UpdateImage(); continue; } if (!isNewView) ActsOldView(); if (timeout) break; if (success) return "ok"; if (i != (tryRecognize - 1)) UpdateImage(); if (timeout) break; } if (timeout) throw new Exception("Element loading timeout has been exceeded"); else throw new Exception("Not recognized");