this is based on calsyslab project
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 

264 lines
9.5 KiB

__author__ = 'Helium'
# Here, we are importing the auxiliary functions to clean or convert data
from Forums.Utilities.utilities import *
from datetime import date
from datetime import timedelta
import re
# Here, we are importing BeautifulSoup to search through the HTML tree
from bs4 import BeautifulSoup
# This is the method to parse the Description Pages (one page to each topic in the Listing Pages)
def cryptBB_description_parser(soup):
# Fields to be parsed
topic = "-1" # topic name
user = [] # all users of each post
addDate = [] # all dated of each post
feedback = [] # all feedbacks of each vendor (this was found in just one Forum and with a number format)
status = [] # all user's authority in each post such as (adm, member, dangerous)
reputation = [] # all user's karma in each post (usually found as a number)
sign = [] # all user's signature in each post (usually a standard message after the content of the post)
post = [] # all messages of each post
interest = [] # all user's interest in each post
# Finding the topic (should be just one coming from the Listing Page)
li = soup.find("td", {"class": "thead"}).find('strong')
topic = li.text
topic = re.sub("\[\w*\]", '', topic)
topic = topic.replace(",","")
topic = topic.replace("\n","")
topic = cleanString(topic.strip())
# Finding the repeated tag that corresponds to the listing of posts
# try:
posts = soup.find('table', {"class": "tborder tfixed clear"}).find('td', {"id": "posts_container"}).find_all(
'div', {"class": "post"})
# For each message (post), get all the fields we are interested to:
for ipost in posts:
# Finding a first level of the HTML page
post_wrapper = ipost.find('span', {"class": "largetext"})
# Finding the author (user) of the post
author = post_wrapper.text.strip()
user.append(cleanString(author)) # Remember to clean the problematic characters
# Finding the status of the author
smalltext = ipost.find('div', {"class": "post_author"})
'''
# Testing here two possibilities to find this status and combine them
if ipost.find('div', {"class": "deleted_post_author"}):
status.append(-1)
interest.append(-1)
reputation.append(-1)
addDate.append(-1)
post.append("THIS POST HAS BEEN REMOVED!")
sign.append(-1)
feedback.append(-1)
continue
'''
# CryptBB does have membergroup and postgroup
membergroup = smalltext.find('div', {"class": "profile-rank"})
postgroup = smalltext.find('div', {"class": "postgroup"})
if membergroup != None:
membergroup = membergroup.text.strip()
if postgroup != None:
postgroup = postgroup.text.strip()
membergroup = membergroup + " - " + postgroup
else:
if postgroup != None:
membergroup = postgroup.text.strip()
else:
membergroup = "-1"
status.append(cleanString(membergroup))
# Finding the interest of the author
# CryptBB does not have blurb
blurb = smalltext.find('li', {"class": "blurb"})
if blurb != None:
blurb = blurb.text.strip()
else:
blurb = "-1"
interest.append(cleanString(blurb))
# Finding the reputation of the user
# CryptBB does have reputation
author_stats = smalltext.find('div', {"class": "author_statistics"})
karma = author_stats.find('strong')
if karma != None:
karma = karma.text
karma = karma.replace("Community Rating: ", "")
karma = karma.replace("Karma: ", "")
karma = karma.strip()
else:
karma = "-1"
reputation.append(cleanString(karma))
# Getting here another good tag to find the post date, post content and users' signature
postarea = ipost.find('div', {"class": "post_content"})
dt = postarea.find('span', {"class": "post_date"}).text
# dt = dt.strip().split()
dt = dt.strip()
day=date.today()
if "Yesterday" in dt:
yesterday = day - timedelta(days=1)
yesterday = yesterday.strftime('%m-%d-%Y')
stime = dt.replace('Yesterday,','').strip()
date_time_obj = yesterday+ ', '+stime
date_time_obj = datetime.strptime(date_time_obj,'%m-%d-%Y, %I:%M %p')
elif "hours ago" in dt:
day = day.strftime('%m-%d-%Y')
date_time_obj = postarea.find('span', {"class": "post_date"}).find('span')['title']
date_time_obj = datetime.strptime(date_time_obj, '%m-%d-%Y, %I:%M %p')
else:
date_time_obj = datetime.strptime(dt, '%m-%d-%Y, %I:%M %p')
stime = date_time_obj.strftime('%b %d, %Y')
sdate = date_time_obj.strftime('%I:%M %p')
addDate.append(date_time_obj)
# Finding the post
inner = postarea.find('div', {"class": "post_body scaleimages"})
inner = inner.text.strip()
post.append(cleanString(inner))
# Finding the user's signature
# signature = ipost.find('div', {"class": "post_wrapper"}).find('div', {"class": "moderatorbar"}).find('div', {"class": "signature"})
signature = ipost.find('div', {"class": "signature scaleimages"})
if signature != None:
signature = signature.text.strip()
# print(signature)
else:
signature = "-1"
sign.append(cleanString(signature))
# As no information about user's feedback was found, just assign "-1" to the variable
feedback.append("-1")
'''
except:
if soup.find('td', {"class": "trow1"}).text == " You do not have permission to access this page. ":
user.append("-1")
status.append(-1)
interest.append(-1)
reputation.append(-1)
addDate.append(-1)
post.append("NO ACCESS TO THIS PAGE!")
sign.append(-1)
feedback.append(-1)
'''
# Populate the final variable (this should be a list with all fields scraped)
row = (topic, user, status, reputation, interest, sign, post, feedback, addDate)
# Sending the results
return row
# This is the method to parse the Listing Pages (one page with many posts)
def cryptBB_listing_parser(soup):
board = "-1" # board name (the previous level of the topic in the Forum categorization tree.
# For instance: Security/Malware/Tools to hack Facebook. The board here should be Malware)
nm = 0 # this variable should receive the number of topics
topic = [] # all topics
author = [] # all authors of each topic
views = [] # number of views of each topic
posts = [] # number of posts of each topic
addDate = [] # when the topic was created (difficult to find)
href = [] # this variable should receive all cleaned urls (we will use this to do the marge between
# Listing and Description pages)
# Finding the board (should be just one)
board = soup.find('span', {"class": "active"}).text
board = cleanString(board.strip())
# Finding the repeated tag that corresponds to the listing of topics
itopics = soup.find_all('tr',{"class": "inline_row"})
for itopic in itopics:
# For each topic found, the structure to get the rest of the information can be of two types. Testing all of them
# to don't miss any topic
# Adding the topic to the topic list
try:
topics = itopic.find('span', {"class": "subject_old"}).find('a').text
except:
topics = itopic.find('span', {"class": "subject_new"}).find('a').text
topics = re.sub("\[\w*\]", '', topics)
topic.append(cleanString(topics))
# Counting how many topics we have found so far
nm = len(topic)
# Adding the url to the list of urls
try:
link = itopic.find('span', {"class": "subject_old"}).find('a').get('href')
except:
link = itopic.find('span',{"class": "subject_new"}).find('a').get('href')
link = cleanLink(link)
href.append(link)
# Finding the author of the topic
ps = itopic.find('div', {"class":"author smalltext"}).find('a').text
user = ps.strip()
author.append(cleanString(user))
# Finding the number of replies
columns = itopic.findChildren('td',recursive=False)
replies = columns[3].text
posts.append(cleanString(replies))
# Finding the number of Views
tview = columns[4].text
views.append(cleanString(tview))
# If no information about when the topic was added, just assign "-1" to the variable
addDate.append("-1")
return organizeTopics("CryptBB", nm, topic, board, author, views, posts, href, addDate)
def altenens_links_parser(soup):
# Returning all links that should be visited by the Crawler
href = []
listing = soup.find('div', {"class": "structItemContainer-group js-threadList"}).find_all('div', {"class": "structItem structItem--thread is-unread js-inlineModContainer js-threadListItem-1843963"})
for a in listing:
link = a.find('div', {"class": "structItem-title"}).find('a').get('href')
href.append(link)
return href