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78 lines
2.7 KiB
78 lines
2.7 KiB
import string
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import hashlib
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import random
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import os
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from PyPDF2 import PdfReader, PdfWriter
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from config import *
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import re
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def random_string_generator(string_length: int) -> str:
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letters = string.ascii_letters
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random_string = ''.join(random.choice(letters) for i in range(string_length))
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return random_string
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def hash_string(string_value: str) ->str:
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return hashlib.sha256(string_value.encode('utf-8')).hexdigest()
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def is_valid_email(email):
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pattern = r'^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$'
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if re.match(pattern, email):
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return True
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else:
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return False
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def password_check_sanity(passwd: str) -> bool:
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if DISABLE_PASSWORD_SANITY_CHECKS:
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return True
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special_symbol_pattern = r'[$@#%]'
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upper_case_pattern = r'[A-Z]'
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lower_case_pattern = r'[a-z]'
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digit_pattern = r'[0-9]'
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if len(passwd) < 6:
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raise InsecurePasswordException('Password length should be at least 6 characters.')
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elif len(passwd) > 20:
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raise InsecurePasswordException('Password length should not be greater than 20 characters.')
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if not re.search(digit_pattern, passwd):
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raise InsecurePasswordException('Password should have at least one numeral.')
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if not re.search(upper_case_pattern, passwd):
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raise InsecurePasswordException('Password should have at least one uppercase letter.')
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if not re.search(lower_case_pattern, passwd):
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raise InsecurePasswordException('Password should have at least one lowercase letter.')
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if not re.search(special_symbol_pattern, passwd):
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raise InsecurePasswordException('Password should have at least one of the symbols $@#%.')
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return True
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class InsecurePasswordException(Exception):
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pass
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def split_pdf_into_pages_with_text(pdf_path: str, output_directory: str) -> int:
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with open(pdf_path, 'rb') as pdf_file:
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reader = PdfReader(pdf_file)
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page_counter = 1
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for page_num in range(len(reader.pages)):
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page = reader.pages[page_num]
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text = page.extract_text()
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if text is None:
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text = ''
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output_txt_filename = os.path.join(output_directory, f"{page_counter}.txt")
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with open(output_txt_filename, 'w', encoding='utf-8') as output_file:
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output_file.write(text)
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# Save as PDF file
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writer = PdfWriter()
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writer.add_page(page)
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output_pdf_filename = os.path.join(output_directory, f"{page_counter}.pdf")
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with open(output_pdf_filename, 'wb') as output_pdf_file:
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writer.write(output_pdf_file)
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if len(reader.pages) == page_counter:
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return len(reader.pages)
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page_counter += 1 |