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FreeBug/backend/utils/utils.py

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2.1 KiB

import string
import hashlib
import random
import os
from PyPDF2 import PdfReader
from config import *
import re
FILE_NAME = 'manjil.pdf'
FILE_PATH = os.path.join(os.getcwd(), FILE_NAME)
def random_string_generator(string_length: int) -> str:
letters = string.ascii_letters
random_string = ''.join(random.choice(letters) for i in range(string_length))
return random_string
def hash_string(string_value: str) ->str:
return hashlib.sha256(string_value.encode('utf-8')).hexdigest()
def read_pdf_human_readable(file_path: str) -> list[str]:
pdf_page_text_contents: list = []
reader: PdfReader = PdfReader(file_path)
for i, page in enumerate(reader.pages):
text: str = page.extract_text()
if text:
pdf_page_text_contents.append(text.strip())
return pdf_page_text_contents
def is_valid_email(email):
pattern = r'^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$'
if re.match(pattern, email):
return True
else:
return False
def password_check_sanity(passwd: str) -> bool:
if DISABLE_PASSWORD_SANITY_CHECKS:
return True
special_symbol_pattern = r'[$@#%]'
upper_case_pattern = r'[A-Z]'
lower_case_pattern = r'[a-z]'
digit_pattern = r'[0-9]'
if len(passwd) < 6:
raise InsecurePasswordException('Password length should be at least 6 characters.')
elif len(passwd) > 20:
raise InsecurePasswordException('Password length should not be greater than 20 characters.')
if not re.search(digit_pattern, passwd):
raise InsecurePasswordException('Password should have at least one numeral.')
if not re.search(upper_case_pattern, passwd):
raise InsecurePasswordException('Password should have at least one uppercase letter.')
if not re.search(lower_case_pattern, passwd):
raise InsecurePasswordException('Password should have at least one lowercase letter.')
if not re.search(special_symbol_pattern, passwd):
raise InsecurePasswordException('Password should have at least one of the symbols $@#%.')
return True
class InsecurePasswordException(Exception):
pass