filters-maker/crawler.py
2021-08-12 13:45:17 +07:00

121 lines
4.1 KiB
Python

import os
import requests
import re
def clear_old_files(incoming):
try:
os.remove(incoming)
except OSError:
pass
def download_filters(url,incoming):
print("downloading: ",url)
get = requests.get(url)
if get.status_code == requests.codes.ok:
with open(incoming, 'ab') as f:
for data in get:
f.write(data)
return url
def filtering(filters_welcome):
unwanted = ['#',';','@','$',' NS',' NS','@@||','!']
print("filtering . . .")
with open(filters_welcome, 'r') as f:
lines = f.read().splitlines()
with open(filters_welcome, 'w') as f:
for line in lines:
if not line.startswith((tuple(unwanted))) and line.strip():
f.write('\n'.join([line + '\n']))
print("++ successful!")
f.close()
def filteringcon(filters_regex_one):
print("filtering . . .")
with open(filters_regex_one) as f:
file = f.read().split('\n')
for i in range(len(file)):
file[i] = re.sub('\s\s+#.*', '', file[i])
file[i] = re.sub(' CNAME .$', '', file[i])
file[i] = re.sub(' CNAME . $', '', file[i])
file[i] = re.sub('^\*.', '', file[i])
with open(filters_regex_one, 'w') as f1:
f1.writelines(["%s\n" % item for item in file])
print("++ successful!")
f.close()
a = ['||','^','|','0.0.0.0 ','0.0.0.0','::1 ','127.0.0.1 ','0','::','::1','127.0.0.1','0','::']
lst = []
with open(filters_regex_one, 'r') as f:
for line in f:
for word in a:
if word in line and not line.startswith('#') and line.startswith((tuple(a))) and not '.' in line:
line = line.replace(word,'')
else:
line = line.replace(line, line)
lst.append(line)
f.close()
with open(filters_regex_one, 'w') as f:
for line in lst:
f.write(line)
f.close()
remove_words = ['localhost','localhost.localdomain','local','broadcasthost','loopback','ip6-localnet','ip6-mcastprefix','ip6-allnodes','ip6-allrouters','ip6-allhosts','ip6-loopback',' CNAME rpz-passthru.']
with open(filters_regex_one, 'r') as f:
lines = f.read().splitlines()
with open(filters_regex_one, 'w') as f:
for line in lines:
if not line.endswith((tuple(remove_words))):
f.write('\n'.join([line + '\n']))
with open(filters_regex_one) as f:
file = f.read().split('\n')
for i in range(len(file)):
file[i] = re.sub('\s\s+', ' ', file[i])
file[i] = re.sub('#..*', '', file[i])
file[i] = re.sub('CNAME . ;..*', '', file[i])
file[i] = re.sub(';..*', '', file[i])
with open(filters_regex_one, 'w') as f1:
f1.writelines(["%s\n" % item for item in file])
f.close()
def killingdup(duplicated_file):
print('Getting rid of duplicated line')
with open(duplicated_file, 'r') as f:
lines = set(f.readlines())
with open(duplicated_file, 'w') as f:
f.writelines(set(lines))
print("++ successful!")
f.close()
def excluded(excluded ,incoming):
exline = [';','$','@',' IN']
with open(excluded ,'r') as f:
exclude = f.read().split()
with open(incoming ,'r') as f:
lines = f.read().splitlines() # read lines
with open(incoming ,'w') as f:
for line in lines:
if line.strip() and not line in exclude and not line.startswith(';'):
f.write('\n'.join([line + '\n']))
elif line.startswith((tuple(exline))):
f.write('\n'.join([line + '\n']))
elif not line.strip():
f.write('\n'.join([line + '\n']))
def blankremover(incoming):
with open(incoming ,'r') as f:
lines = f.read().split()
with open(incoming ,'w') as f:
for line in lines:
if line.strip():
f.write('\n'.join([line + '\n']))
def sort(incoming):
with open(incoming, 'r') as f:
lines = sorted(f.readlines())
with open(incoming, 'w') as f:
for line in lines:
f.write(line)