dark_web_forums/Forums/HiddenAnswers/crawler_selenium.py

__author__ = 'Helium'

'''
HiddenAnswers Crawler (Selenium)
'''

from selenium import webdriver
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver.firefox.firefox_profile import FirefoxProfile
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
from selenium.webdriver.firefox.service import Service
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from PIL import Image

import urllib.parse as urlparse
import os, re, time
from datetime import date
import configparser
import subprocess
from bs4 import BeautifulSoup
from Forums.Initialization.prepare_parser import new_parse
from Forums.HiddenAnswers.parser import hiddenanswers_links_parser
from Forums.Utilities.utilities import cleanHTML

counter = 1
baseURL = 'http://7eoz4h2nvw4zlr7gvlbutinqqpm546f5egswax54az6lt2u7e3t6d7yd.onion/'


# Opens Tor Browser, crawls the website
def startCrawling():
    # opentor()
    forumName = getForumName()
    driver: webdriver.Firefox = getAccess()

    if driver != 'down':
        try:
            login(driver)
            crawlForum(driver)
        except Exception as e:
            print(driver.current_url, e)
        closetor(driver)

    new_parse(forumName, baseURL, True)


# Opens Tor Browser
def opentor():
    from Forums.Initialization.forums_mining import config

    global pid
    print("Connecting Tor...")
    pro = subprocess.Popen(config.get('TOR', 'firefox_binary_path'))
    pid = pro.pid
    time.sleep(7.5)
    input('Tor Connected. Press ENTER to continue\n')
    return


# Login using premade account credentials and do login captcha manually
def login(driver):
    # wait for listing page show up (This Xpath may need to change based on different seed url)
    WebDriverWait(driver, 50).until(EC.visibility_of_element_located(
        (By.XPATH, '/html/body/div[2]/div[2]/div/div[2]/div[4]/div/ul/li[14]/a')))


# Returns the name of the website
def getForumName():
    name = 'HiddenAnswers'
    return name


# Return the link of the website
def getFixedURL():
    url = 'http://7eoz4h2nvw4zlr7gvlbutinqqpm546f5egswax54az6lt2u7e3t6d7yd.onion/'
    return url


# Closes Tor Browser
def closetor(driver):
    # global pid
    # os.system("taskkill /pid " + str(pro.pid))
    # os.system("taskkill /t /f /im tor.exe")
    print('Closing Tor...')
    driver.close()
    time.sleep(3)
    return


# Creates FireFox 'driver' and configure its 'Profile'
# to use Tor proxy and socket
def createFFDriver():
    from Forums.Initialization.forums_mining import config

    ff_binary = FirefoxBinary(config.get('TOR', 'firefox_binary_path'))

    ff_prof = FirefoxProfile(config.get('TOR', 'firefox_profile_path'))
    ff_prof.set_preference("places.history.enabled", False)
    ff_prof.set_preference("privacy.clearOnShutdown.offlineApps", True)
    ff_prof.set_preference("privacy.clearOnShutdown.passwords", True)
    ff_prof.set_preference("privacy.clearOnShutdown.siteSettings", True)
    ff_prof.set_preference("privacy.sanitize.sanitizeOnShutdown", True)
    ff_prof.set_preference("signon.rememberSignons", False)
    ff_prof.set_preference("network.cookie.lifetimePolicy", 2)
    ff_prof.set_preference("network.dns.disablePrefetch", True)
    ff_prof.set_preference("network.http.sendRefererHeader", 0)
    ff_prof.set_preference("permissions.default.image", 3)
    ff_prof.set_preference("browser.download.folderList", 2)
    ff_prof.set_preference("browser.download.manager.showWhenStarting", False)
    ff_prof.set_preference("browser.helperApps.neverAsk.saveToDisk", "text/plain")
    ff_prof.set_preference('network.proxy.type', 1)
    ff_prof.set_preference("network.proxy.socks_version", 5)
    ff_prof.set_preference('network.proxy.socks', '127.0.0.1')
    ff_prof.set_preference('network.proxy.socks_port', 9150)
    ff_prof.set_preference('network.proxy.socks_remote_dns', True)
    ff_prof.set_preference("javascript.enabled", True)
    ff_prof.update_preferences()

    service = Service(config.get('TOR', 'geckodriver_path'))

    driver = webdriver.Firefox(firefox_binary=ff_binary, firefox_profile=ff_prof, service=service)

    driver.maximize_window()

    return driver

def getAccess():
    url = getFixedURL()
    driver = createFFDriver()
    try:
        driver.get(url)
        return driver
    except:
        driver.close()
        return 'down'


# Saves the crawled html page
def savePage(driver, page, url):
    cleanPage = cleanHTML(driver, page)
    filePath = getFullPathName(url)
    os.makedirs(os.path.dirname(filePath), exist_ok=True)
    open(filePath, 'wb').write(cleanPage.encode('utf-8'))
    return


# Gets the full path of the page to be saved along with its appropriate file name
def getFullPathName(url):
    from Forums.Initialization.forums_mining import config, CURRENT_DATE

    mainDir = os.path.join(config.get('Project', 'shared_folder'), "Forums/" + getForumName() + "/HTML_Pages")
    fileName = getNameFromURL(url)
    if isDescriptionLink(url):
        fullPath = os.path.join(mainDir, CURRENT_DATE + r'\\Description\\' + fileName + '.html')
    else:
        fullPath = os.path.join(mainDir, CURRENT_DATE + r'\\Listing\\' + fileName + '.html')
    return fullPath


# Creates the file name from passed URL
def getNameFromURL(url):
    global counter
    name = ''.join(e for e in url if e.isalnum())
    if (name == ''):
        name = str(counter)
        counter = counter + 1
    return name


def getInterestedLinks():
    links = []

    # Hacks
    # links.append('http://7eoz4h2nvw4zlr7gvlbutinqqpm546f5egswax54az6lt2u7e3t6d7yd.onion/index.php/questions/hacking')
    
    # links.append('http://7eoz4h2nvw4zlr7gvlbutinqqpm546f5egswax54az6lt2u7e3t6d7yd.onion/index.php/questions/darknet-and-tor')
    
    # links.append('http://7eoz4h2nvw4zlr7gvlbutinqqpm546f5egswax54az6lt2u7e3t6d7yd.onion/index.php/questions/internet')
    
    links.append('http://7eoz4h2nvw4zlr7gvlbutinqqpm546f5egswax54az6lt2u7e3t6d7yd.onion/index.php/questions/links')
    
    

    return links


def crawlForum(driver: webdriver.Firefox):
    print("Crawling the HiddenAnswers forum")

    linksToCrawl = getInterestedLinks()

    i = 0
    while i < len(linksToCrawl):
        link = linksToCrawl[i]
        print('Crawling :', link)
        try:
            has_next_page = True
            count = 0

            while has_next_page:
                try:
                    driver.get(link)
                except:
                    driver.refresh()
                html = driver.page_source
                savePage(driver, html, link)

                topics = topicPages(html)
                for topic in topics:
                    has_next_topic_page = True
                    counter = 1
                    page = topic

                    while has_next_topic_page:
                        itemURL = urlparse.urljoin(baseURL, str(page))
                        try:
                            driver.get(itemURL)
                        except:
                            driver.refresh()
                        savePage(driver, driver.page_source, topic + f"page{counter}")  # very important

                        # comment out
                        if counter == 2:
                            break

                        try:
                            page = ""  # no next page so far may have some later on
                            if page == "":
                                raise NoSuchElementException
                            counter += 1

                        except NoSuchElementException:
                            has_next_topic_page = False

                    for i in range(counter):
                        driver.back()

                    # comment out
                    # break

                # comment out
                if count == 1:
                    break

                try:
                    link = driver.find_element(by=By.CLASS_NAME, value='qa-page-next').get_attribute('href')

                    if link == "":
                        raise NoSuchElementException
                    count += 1

                except NoSuchElementException:
                    has_next_page = False

        except Exception as e:
            print(link, e)
        i += 1

    print("Crawling the HiddenAnswers forum done.")


# Returns 'True' if the link is Topic link
def isDescriptionLink(url):
    if 'index.php' in url and 'questions' not in url:
        return True
    return False


# Returns True if the link is a listingPage link
def isListingLink(url):
    if 'questions' in url:
        return True
    return False


# calling the parser to define the links
def topicPages(html):
    soup = BeautifulSoup(html, "html.parser")
    #print(soup.find('div', id="container").find('div', id="content").find('table', {"class": "tborder clear"}).find('tbody').find('tr',{"class": "inline_row"}).find('strong').text)
    return hiddenanswers_links_parser(soup)


def crawler():
    startCrawling()
    # print("Crawling and Parsing Abyss .... DONE!")