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AIL-framework
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AIL-framework/bin/modules/SubmitPaste.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
"""
The Submit paste module
================
"""
##################################
# Import External packages
##################################
import os
import sys
import gzip
import base64
import datetime
import time
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from modules.abstract_module import AbstractModule
from lib.objects.Items import ITEMS_FOLDER
from lib import ConfigLoader
from lib import Tag
from lib.objects.Items import Item
class SubmitPaste(AbstractModule):
"""
SubmitPaste module for AIL framework
"""
expire_time = 120
# Text max size
TEXT_MAX_SIZE = ConfigLoader.ConfigLoader().get_config_int("SubmitPaste", "TEXT_MAX_SIZE")
# File max size
FILE_MAX_SIZE = ConfigLoader.ConfigLoader().get_config_int("SubmitPaste", "FILE_MAX_SIZE")
# Allowed file type
ALLOWED_EXTENSIONS = ConfigLoader.ConfigLoader().get_config_str("SubmitPaste", "FILE_ALLOWED_EXTENSIONS").split(',')
def __init__(self):
"""
init
"""
super(SubmitPaste, self).__init__()
self.r_serv_db = ConfigLoader.ConfigLoader().get_db_conn("Kvrocks_DB")
self.r_serv_log_submit = ConfigLoader.ConfigLoader().get_redis_conn("Redis_Log_submit")
self.pending_seconds = 3
self.PASTES_FOLDER = os.path.join(os.environ['AIL_HOME'], ConfigLoader.ConfigLoader().get_config_str("Directories", "pastes")) + '/'
def compute(self, uuid):
"""
Main method of the Module to implement
"""
self.logger.debug(f'compute UUID {uuid}')
# get temp value save on disk
ltags = self.r_serv_db.smembers(f'{uuid}:ltags')
ltagsgalaxies = self.r_serv_db.smembers(f'{uuid}:ltagsgalaxies')
paste_content = self.r_serv_db.get(f'{uuid}:paste_content')
isfile = self.r_serv_db.get(f'{uuid}:isfile')
password = self.r_serv_db.get(f'{uuid}:password')
source = self.r_serv_db.get(f'{uuid}:source')
if source in ['crawled', 'tests']:
source = 'submitted'
self.logger.debug(f'isfile UUID {isfile}')
self.logger.debug(f'source UUID {source}')
self.logger.debug(f'paste_content UUID {paste_content}')
# needed if redis is restarted
self.r_serv_log_submit.set(f'{uuid}:end', 0)
self.r_serv_log_submit.set(f'{uuid}:processing', 0)
self.r_serv_log_submit.set(f'{uuid}:nb_total', -1)
self.r_serv_log_submit.set(f'{uuid}:nb_end', 0)
self.r_serv_log_submit.set(f'{uuid}:nb_sucess', 0)
self.r_serv_log_submit.set(f'{uuid}:processing', 1)
if isfile == 'True':
# file input
self._manage_file(uuid, paste_content, ltags, ltagsgalaxies, source)
else:
# textarea input paste
self._manage_text(uuid, paste_content, ltags, ltagsgalaxies, source)
# new paste created from file, remove uuid ref
self.remove_submit_uuid(uuid)
def run(self):
"""
Run Module endless process
"""
# Endless loop processing messages from the input queue
while self.proceed:
# Get one message (paste) from the QueueIn (copy of Redis_Global publish)
nb_submit = self.r_serv_db.scard('submitted:uuid')
if nb_submit > 0:
try:
uuid = self.r_serv_db.srandmember('submitted:uuid')
if isinstance(uuid, list):
uuid = uuid[0]
# Module processing with the message from the queue
self.logger.debug(uuid)
self.compute(uuid)
except Exception as err:
self.logger.critical(err)
# Remove uuid ref
self.remove_submit_uuid(uuid)
else:
# Wait before next process
self.logger.debug(f'{self.module_name}, waiting for new message, Idling {self.pending_seconds}s')
time.sleep(self.pending_seconds)
def _manage_text(self, uuid, paste_content, ltags, ltagsgalaxies, source):
"""
Create a paste for given text
"""
if sys.getsizeof(paste_content) < SubmitPaste.TEXT_MAX_SIZE:
self.r_serv_log_submit.set(f'{uuid}:nb_total', 1)
self.create_paste(uuid, paste_content.encode(), ltags, ltagsgalaxies, uuid, source)
time.sleep(0.5)
else:
self.abord_file_submission(uuid, f'Text size is over {SubmitPaste.TEXT_MAX_SIZE} bytes')
def _manage_file(self, uuid, file_full_path, ltags, ltagsgalaxies, source):
"""
Create a paste for given file
"""
self.redis_logger.debug('manage')
if os.path.exists(file_full_path):
self.redis_logger.debug(f'file exists {file_full_path}')
file_size = os.stat(file_full_path).st_size
self.redis_logger.debug(f'file size {file_size}')
# Verify file length
if file_size < SubmitPaste.FILE_MAX_SIZE:
# TODO sanitize filename
filename = file_full_path.split('/')[-1]
self.redis_logger.debug(f'sanitize filename {filename}')
self.redis_logger.debug('file size allowed')
if not '.' in filename:
self.redis_logger.debug('no extension for filename')
try:
# Read file
with open(file_full_path,'r') as f:
content = f.read()
self.r_serv_log_submit.set(uuid + ':nb_total', 1)
self.create_paste(uuid, content.encode(), ltags, ltagsgalaxies, uuid, source)
except:
self.abord_file_submission(uuid, "file error")
else:
file_type = filename.rsplit('.', 1)[1]
file_type = file_type.lower()
self.redis_logger.debug(f'file ext {file_type}')
if file_type in SubmitPaste.ALLOWED_EXTENSIONS:
self.redis_logger.debug('Extension allowed')
# TODO enum of possible file extension ?
# TODO verify file hash with virus total ?
if not self._is_compressed_type(file_type):
self.redis_logger.debug('Plain text file')
# plain txt file
with open(file_full_path,'r') as f:
content = f.read()
self.r_serv_log_submit.set(uuid + ':nb_total', 1)
self.create_paste(uuid, content.encode(), ltags, ltagsgalaxies, uuid, source)
else:
# Compressed file
self.abord_file_submission(uuid, "file decompression should be implemented")
# TODO add compress file management
# #decompress file
# try:
# if password == None:
# files = unpack(file_full_path.encode())
# #print(files.children)
# else:
# try:
# files = unpack(file_full_path.encode(), password=password.encode())
# #print(files.children)
# except sflock.exception.IncorrectUsageException:
# self.abord_file_submission(uuid, "Wrong Password")
# raise
# except:
# self.abord_file_submission(uuid, "file decompression error")
# raise
# self.redis_logger.debug('unpacking {} file'.format(files.unpacker))
# if(not files.children):
# self.abord_file_submission(uuid, "Empty compressed file")
# raise
# # set number of files to submit
# self.r_serv_log_submit.set(uuid + ':nb_total', len(files.children))
# n = 1
# for child in files.children:
# if self.verify_extention_filename(child.filename.decode()):
# self.create_paste(uuid, child.contents, ltags, ltagsgalaxies, uuid+'_'+ str(n) , source)
# n = n + 1
# else:
# self.redis_logger.error("Error in module %s: bad extention"%(self.module_name))
# self.addError(uuid, 'Bad file extension: {}'.format(child.filename.decode()) )
# except FileNotFoundError:
# self.redis_logger.error("Error in module %s: file not found"%(self.module_name))
# self.addError(uuid, 'File not found: {}'.format(file_full_path), uuid )
else:
self.abord_file_submission(uuid, f'File :{file_full_path} too large, over {SubmitPaste.FILE_MAX_SIZE} bytes')
else:
self.abord_file_submission(uuid, "Server Error, the archive can't be found")
def _is_compressed_type(self, file_type):
"""
Check if file type is in the list of compressed file extensions format
"""
compressed_type = ['zip', 'gz', 'tar.gz']
return file_type in compressed_type
def remove_submit_uuid(self, uuid):
# save temp value on disk
self.r_serv_db.delete(f'{uuid}:ltags')
self.r_serv_db.delete(f'{uuid}:ltagsgalaxies')
self.r_serv_db.delete(f'{uuid}:paste_content')
self.r_serv_db.delete(f'{uuid}:isfile')
self.r_serv_db.delete(f'{uuid}:password')
self.r_serv_db.delete(f'{uuid}:source')
self.r_serv_log_submit.expire(f'{uuid}:end', SubmitPaste.expire_time)
self.r_serv_log_submit.expire(f'{uuid}:processing', SubmitPaste.expire_time)
self.r_serv_log_submit.expire(f'{uuid}:nb_total', SubmitPaste.expire_time)
self.r_serv_log_submit.expire(f'{uuid}:nb_sucess', SubmitPaste.expire_time)
self.r_serv_log_submit.expire(f'{uuid}:nb_end', SubmitPaste.expire_time)
self.r_serv_log_submit.expire(f'{uuid}:error', SubmitPaste.expire_time)
self.r_serv_log_submit.expire(f'{uuid}:paste_submit_link', SubmitPaste.expire_time)
# delete uuid
self.r_serv_db.srem('submitted:uuid', uuid)
self.redis_logger.debug(f'{uuid} all file submitted')
print(f'{uuid} all file submitted')
def create_paste(self, uuid, paste_content, ltags, ltagsgalaxies, name, source=None):
# # TODO: Use Item create
result = False
now = datetime.datetime.now()
source = source if source else 'submitted'
save_path = source + '/' + now.strftime("%Y") + '/' + now.strftime("%m") + '/' + now.strftime("%d") + '/submitted_' + name + '.gz'
full_path = os.path.join(ITEMS_FOLDER, save_path)
self.redis_logger.debug(f'file path of the paste {full_path}')
if not os.path.isfile(full_path):
# file not exists in AIL paste directory
self.redis_logger.debug(f"new paste {paste_content}")
gzip64encoded = self._compress_encode_content(paste_content, uuid)
if gzip64encoded:
# use relative path
rel_item_path = save_path.replace(self.PASTES_FOLDER, '', 1)
self.redis_logger.debug(f"relative path {rel_item_path}")
item = Item(rel_item_path)
# send paste to Global module
relay_message = f"submitted {gzip64encoded}"
self.add_message_to_queue(obj=item, message=relay_message)
# add tags
for tag in ltags:
Tag.add_object_tag(tag, 'item', rel_item_path)
for tag in ltagsgalaxies:
Tag.add_object_tag(tag, 'item', rel_item_path)
self.r_serv_log_submit.incr(f'{uuid}:nb_end')
self.r_serv_log_submit.incr(f'{uuid}:nb_sucess')
if self.r_serv_log_submit.get(f'{uuid}:nb_end') == self.r_serv_log_submit.get(f'{uuid}:nb_total'):
self.r_serv_log_submit.set(f'{uuid}:end', 1)
self.redis_logger.debug(f' {rel_item_path} send to Mixer')
print(f' {rel_item_path} send to Mixer')
self.r_serv_log_submit.sadd(f'{uuid}:paste_submit_link', rel_item_path)
curr_date = datetime.date.today()
self.redis_logger.debug("paste submitted")
else:
self.addError(uuid, f'File: {save_path} already exist in submitted pastes')
return result
def _compress_encode_content(self, content, uuid):
gzip64encoded = None
try:
gzipencoded = gzip.compress(content)
gzip64encoded = base64.standard_b64encode(gzipencoded).decode()
except:
self.abord_file_submission(uuid, "file error")
return gzip64encoded
def addError(self, uuid, errorMessage):
self.redis_logger.debug(errorMessage)
print(errorMessage)
error = self.r_serv_log_submit.get(f'{uuid}:error')
if error is not None:
self.r_serv_log_submit.set(f'{uuid}:error', error + '<br></br>' + errorMessage)
self.r_serv_log_submit.incr(f'{uuid}:nb_end')
def abord_file_submission(self, uuid, errorMessage):
self.redis_logger.debug(f'abord {uuid}, {errorMessage}')
self.addError(uuid, errorMessage)
self.r_serv_log_submit.set(f'{uuid}:end', 1)
curr_date = datetime.date.today()
self.remove_submit_uuid(uuid)
# # TODO: use Item function
def get_item_date(self, item_filename):
l_directory = item_filename.split('/')
return f'{l_directory[-4]}{l_directory[-3]}{l_directory[-2]}'
def verify_extention_filename(self, filename):
if not '.' in filename:
return True
else:
file_type = filename.rsplit('.', 1)[1]
# txt file
if file_type in SubmitPaste.ALLOWED_EXTENSIONS:
return True
else:
return False
if __name__ == '__main__':
module = SubmitPaste()
module.run()
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