Forked from massimiliano-dalcero/ovverride_connection.py
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January 8, 2018 12:51
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| # CEFPYTHON | |
| # example of how to do a "connection" overriding using an | |
| # external library (eg: urllib3) instead of internal netwkork | |
| # library of chromium | |
| # | |
| # Massimiliano Dal Cero - max<A_T>yatta<D_O_T>it | |
| from cefpython3 import cefpython as cef | |
| import platform | |
| import sys | |
| import OpenSSL | |
| import urllib3 | |
| import urllib3.contrib.pyopenssl | |
| import re | |
| import urlparse | |
| from threading import Thread | |
| urllib3.contrib.pyopenssl.inject_into_urllib3() | |
| urllib3.disable_warnings() | |
| http = urllib3.PoolManager() | |
| BROWSER_DEFAULT_ENCODING = "UTF-8" | |
| class WebRequestClient: | |
| _resourceHandler = None | |
| _data = "" | |
| _dataLength = -1 | |
| _response = None | |
| def OnUploadProgress(self, web_request, current, total): | |
| pass | |
| def OnDownloadProgress(self, web_request, current, total): | |
| pass | |
| def OnDownloadData(self, web_request, data): | |
| # #print("OnDownloadData()") | |
| self._data += data | |
| def OnRequestComplete(self, web_request): | |
| # cefpython.WebRequest.Status = {"Unknown", "Success", | |
| # "Pending", "Canceled", "Failed"} | |
| statusText = "Unknown" | |
| if web_request.GetRequestStatus() in cef.WebRequest.Status: | |
| statusText = cef.WebRequest.Status[\ | |
| webRequest.GetRequestStatus()] | |
| # Emulate OnResourceResponse() in ClientHandler: | |
| self._response = web_request.GetResponse() | |
| # Are webRequest.GetRequest() and | |
| # self._resourceHandler._request the same? What if | |
| # there was a redirect, what will GetUrl() return | |
| # for both of them? | |
| self._data = self._resourceHandler._clientHandler._OnResourceResponse( | |
| self._resourceHandler._browser, | |
| self._resourceHandler._frame, | |
| web_request.GetRequest(), | |
| web_request.GetRequestStatus(), | |
| web_request.GetRequestError(), | |
| web_request.GetResponse(), | |
| self._data) | |
| self._dataLength = len(self._data) | |
| # ResourceHandler.GetResponseHeaders() will get called | |
| # after _responseHeadersReadyCallback.Continue() is called. | |
| self._resourceHandler._responseHeadersReadyCallback.Continue() | |
| class ClientHandler: | |
| def GetResourceHandler(self, browser, frame, request): | |
| resHandler = ResourceHandler() | |
| resHandler._clientHandler = self | |
| resHandler._browser = browser | |
| resHandler._frame = frame | |
| resHandler._request = request | |
| #resHandler._cm = self.cm | |
| self._AddStrongReference(resHandler) | |
| return resHandler | |
| #def _OnResourceResponse(self, request, response, data): | |
| def _OnResourceResponse(self, browser, frame, request, requestStatus, | |
| requestError, response, data): | |
| return data | |
| _resourceHandlers = {} | |
| _resourceHandlerMaxId = 0 | |
| def _AddStrongReference(self, resHandler): | |
| self._resourceHandlerMaxId += 1 | |
| resHandler._resourceHandlerId = self._resourceHandlerMaxId | |
| self._resourceHandlers[resHandler._resourceHandlerId] = resHandler | |
| def _ReleaseStrongReference(self, resHandler): | |
| if resHandler._resourceHandlerId in self._resourceHandlers: | |
| del self._resourceHandlers[resHandler._resourceHandlerId] | |
| else: | |
| #print("_ReleaseStrongReference() FAILED: resource handler not found, id = %s" % (resHandler._resourceHandlerId)) | |
| pass | |
| class CookView(): | |
| def __init__(self): | |
| self.cookies = [] | |
| def getGookieHead(self): | |
| return "; ".join((str(i[0])+"="+str(i[1])) for i in self.cookies) | |
| def Visit(self, cookie, count, total, delete_cookie_out): | |
| self.cookies.append( (cookie.GetName(), cookie.GetValue()) ) | |
| return True | |
| class ResourceHandler: | |
| _responseHeadersReadyCallback = None | |
| _offsetRead = 0 | |
| _data = None | |
| _heads = None | |
| _datalen = -1 | |
| def go(self, ref, heads, request,callback): | |
| send_data = request.GetPostData() | |
| if request.GetMethod() == "GET" or request.GetMethod() == "HEAD" or request.GetMethod() == "DELETE": | |
| r = http.request_encode_url(request.GetMethod() ,request.GetUrl(),fields=send_data, headers=heads, redirect=False,preload_content=False) | |
| elif ( request.GetMethod() == "POST" and heads["Content-Type"] == "application/x-www-form-urlencoded" ) or request.GetMethod() == "PUT" or request.GetMethod() == "PATCH": | |
| r = http.request_encode_body(request.GetMethod() ,request.GetUrl(), fields=send_data, headers=heads, redirect=False, encode_multipart=False,preload_content=False) | |
| elif ( request.GetMethod() == "POST" and "multipart" in heads["Content-Type"] ): | |
| r = http.request(request.GetMethod() ,request.GetUrl(), fields=send_data, headers=heads, redirect=False,preload_content=False) | |
| else: | |
| r = http.request_encode_url(request.GetMethod() ,request.GetUrl(),fields=send_data, headers=heads, redirect=False,preload_content=False) | |
| self._response = r | |
| self._datalen = len(r.data) | |
| self._data = r.data | |
| self._datastream = r.stream | |
| request.SetFlags(cef.Request.Flags["AllowCachedCredentials"] | cef.Request.Flags["AllowCookies"]) | |
| self._responseHeadersReadyCallback = callback | |
| self._responseHeadersReadyCallback.Continue() | |
| def ProcessRequest(self, request, callback): | |
| heads = request.GetHeaderMap() | |
| request.SetFlags(cef.Request.Flags["AllowCachedCredentials"] | cef.Request.Flags["AllowCookies"]) | |
| if request.GetUrl().startswith("chrome-extension"): | |
| self._requestz = request | |
| self._responseHeadersReadyCallback = callback | |
| self._webRequestClient = WebRequestClient() | |
| self._webRequestClient._resourceHandler = self | |
| #request.SetFlags(cef.Request.Flags["AllowCachedCredentials"] | cef.Request.Flags["AllowCookies"]) | |
| self._webRequest = cef.WebRequest.Create(request, self._webRequestClient) | |
| return True | |
| elif not request.GetUrl().startswith("http"): | |
| print("URL MALFORMED: " + request.GetUrl()) | |
| return False | |
| else: | |
| self._responseHeadersReadyCallback = callback | |
| #cv = CookView() | |
| #self._cm.VisitUrlCookies(request.GetUrl(), True, cv) | |
| #cooks = cv.getGookieHead() | |
| #print(" ** COOKS **") | |
| #if len(cooks)>0: | |
| # print( cooks ) | |
| # #heads["Cookie"] = cooks | |
| self._requestz = request | |
| self._heads = heads | |
| t = Thread(target=self.go,args=(self,heads,request,callback)) | |
| t.start() | |
| return True | |
| def GetResponseHeaders(self, response, responseLengthOut, redirectUrlOut): | |
| if self._requestz.GetUrl().startswith("chrome-extension"): | |
| assert self._webRequestClient._response, "Response object empty" | |
| wrcResponse = self._webRequestClient._response | |
| response.SetStatus(wrcResponse.GetStatus()) | |
| response.SetStatusText(wrcResponse.GetStatusText()) | |
| response.SetMimeType(wrcResponse.GetMimeType()) | |
| if wrcResponse.GetHeaderMultimap(): | |
| response.SetHeaderMultimap(wrcResponse.GetHeaderMultimap()) | |
| responseLengthOut[0] = self._webRequestClient._dataLength | |
| if not responseLengthOut[0]: | |
| # Probably a cached page? Or a redirect? | |
| pass | |
| return | |
| else: | |
| wrcResponse = self._response | |
| location=None | |
| #if wrcResponse.status>=300 and wrcResponse.status<400: | |
| try: | |
| if "location" in wrcResponse.headers: | |
| location = wrcResponse.headers["location"] | |
| elif "Location" in wrcResponse.headers["Location"]: | |
| location = wrcResponse.headers["Location"] | |
| if location is not None: | |
| if location == "." or location == "": | |
| location = self._requestz.GetUrl() | |
| else: | |
| locres = urlparse.urlparse(location) | |
| urlres = urlparse.urlparse(self._requestz.GetUrl()) | |
| if locres.netloc == "": | |
| if locres.path[0] == "/": | |
| location = urlres.scheme + "://" + urlres.netloc + location | |
| else: | |
| sep = "/" | |
| if location[0] == "/" or self._requestz.GetUrl()[-1] == "/": | |
| sep = "" | |
| location = self._requestz.GetUrl() + sep + location | |
| except: | |
| pass | |
| if location is not None: | |
| redirectUrlOut[0] = location | |
| response.SetStatus(wrcResponse.status) | |
| response.SetStatusText(wrcResponse.reason) | |
| ct = ct0 = "none" | |
| if wrcResponse.headers.get("Content-Type") is not None: | |
| ct0 = ct = wrcResponse.headers.get("Content-Type").split(";")[0] | |
| response.SetMimeType(ct) #wrcResponse.headers.get("Content-Type")) | |
| response.SetHeaderMultimap(wrcResponse.headers.items()) | |
| responseLengthOut[0] = self._datalen #len(self._data) | |
| def ReadResponse(self, data_out, bytes_to_read, bytes_read_out, callback): | |
| if self._requestz.GetUrl().startswith("chrome-extension"): | |
| if self._offsetRead < self._webRequestClient._dataLength: | |
| dataChunk = self._webRequestClient._data[self._offsetRead:(self._offsetRead + bytes_to_read)] | |
| self._offsetRead += len(dataChunk) | |
| data_out[0] = dataChunk | |
| bytes_read_out[0] = len(dataChunk) | |
| return True | |
| self._clientHandler._ReleaseStrongReference(self) | |
| return False | |
| else: | |
| if self._datalen < 0: | |
| print("DATA LEN UNKNOW") | |
| dataChunk = self._response.read(bytes_to_read) | |
| if len(dataChunk) > 0: | |
| bytes_read_out[0] = len(dataChunk) | |
| data_out[0] = dataChunk | |
| self._offsetRead += len(dataChunk) | |
| return True | |
| else: | |
| bytes_read_out[0] = len(dataChunk) | |
| data_out[0] = dataChunk | |
| self._response.release_conn() | |
| self._clientHandler._ReleaseStrongReference(self) | |
| return False | |
| elif self._offsetRead < self._datalen: | |
| dataChunk = self._data[self._offsetRead:(self._offsetRead + bytes_to_read)] | |
| self._offsetRead += len(dataChunk) | |
| data_out[0] = dataChunk | |
| bytes_read_out[0] = len(dataChunk) | |
| return True | |
| self._clientHandler._ReleaseStrongReference(self) | |
| return False | |
| def CanGetCookie(self, cookie): | |
| return True | |
| def CanSetCookie(self, cookie): | |
| return True | |
| def Cancel(self): | |
| pass | |
| pass | |
| def main(): | |
| check_versions() | |
| sys.excepthook = cef.ExceptHook # To shutdown all CEF processes on error | |
| conf = { | |
| "context_menu": { | |
| "enabled":False | |
| }, | |
| #"user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.3202.75 Safari/537.36", | |
| "cache_path": "/Users/max/cache/", | |
| "persist_session_cookies": True | |
| } | |
| cef.Initialize(settings=conf) | |
| #url="https://www.whoishostingthis.com/tools/user-agent/" | |
| url="https://www.facebook.com" | |
| #url="https://www.whatismybrowser.com/detect/are-cookies-enabled" | |
| #url="http://www.html-kit.com/tools/cookietester/" | |
| browser = cef.CreateBrowserSync(url=url, window_title="UrlLib3") | |
| #cm = cef.CookieManager.GetGlobalManager() | |
| clientHandler = ClientHandler() | |
| browser.SetClientHandler(clientHandler) | |
| cef.MessageLoop() | |
| cef.Shutdown() | |
| def check_versions(): | |
| #print("[hello_world.py] CEF Python {ver}".format(ver=cef.__version__)) | |
| #print("[hello_world.py] Python {ver} {arch}".format( | |
| # ver=platform.python_version(), arch=platform.architecture()[0])) | |
| assert cef.__version__ >= "55.3", "CEF Python v55.3+ required to run this" | |
| if __name__ == '__main__': | |
| main() |
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