AIL-framework/bin/modules/Urls.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
"""
The Urls Module
============================
This module extract URLs from an item and send them to others modules.
"""
##################################
# Import External packages
##################################
import os
import sys
from pyfaup.faup import Faup
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from modules.abstract_module import AbstractModule
from lib.ConfigLoader import ConfigLoader
from lib.objects.Items import Item
# # TODO: Faup packages: Add new binding: Check TLD
class Urls(AbstractModule):
"""
Urls module for AIL framework
"""
def __init__(self):
"""
Init Urls
"""
super(Urls, self).__init__()
config_loader = ConfigLoader()
self.faup = Faup()
# Protocol file path
protocolsfile_path = os.path.join(os.environ['AIL_HOME'],
config_loader.get_config_str("Directories", "protocolsfile"))
# Get all uri from protocolsfile (Used for Curve)
uri_scheme = ""
with open(protocolsfile_path, 'r') as scheme_file:
for scheme in scheme_file:
uri_scheme += scheme[:-1]+"|"
uri_scheme = uri_scheme[:-1]
self.url_regex = "((?i:"+uri_scheme + \
")\://(?:[a-zA-Z0-9\.\-]+(?:\:[a-zA-Z0-9\.&%\$\-]+)*@)*(?:(?:25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(?:25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(?:25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(?:25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|(?:[a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(?:[a-zA-Z]{2,15}))(?:\:[0-9]+)*(?:/?(?:[a-zA-Z0-9\.\,\?'\\+&%\$#\=~_\-]+))*)"
# Send module state to logs
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self.logger.info(f"Module {self.module_name} initialized")
def compute(self, message):
"""
Search for Web links from given message
"""
# Extract item
item_id, score = message.split()
item = Item(item_id)
item_content = item.get_content()
# TODO Handle invalid URL
l_urls = self.regex_findall(self.url_regex, item.get_id(), item_content)
for url in l_urls:
self.faup.decode(url)
url_decoded = self.faup.get()
# decode URL
try:
url = url_decoded['url'].decode()
except AttributeError:
url = url_decoded['url']
to_send = f"{url} {item.get_id()}"
print(to_send)
self.add_message_to_queue(to_send, 'Url')
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self.logger.debug(f"url_parsed: {to_send}")
if len(l_urls) > 0:
to_print = f'Urls;{item.get_source()};{item.get_date()};{item.get_basename()};'
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print(to_print)
# .debug ???
# self.redis_logger.info(f'{to_print}Detected {len(l_urls)} URL;{item.get_id()}')
if __name__ == '__main__':
module = Urls()
module.run()