From ae17993f215722bb1281250f5b0c28660a858e3a Mon Sep 17 00:00:00 2001 From: peter Date: Sun, 13 Dec 2020 11:40:01 +0100 Subject: [PATCH] Delete KaptsjaGenerator.py wrong dir uploaded --- KaptsjaGenerator.py | 1598 ------------------------------------------- 1 file changed, 1598 deletions(-) delete mode 100644 KaptsjaGenerator.py diff --git a/KaptsjaGenerator.py b/KaptsjaGenerator.py deleted file mode 100644 index 6ce240b..0000000 --- a/KaptsjaGenerator.py +++ /dev/null @@ -1,1598 +0,0 @@ -################################################################################################### -# KaptsjaGenerator creates Dynamically Captcha puzzles. They cen be served dynamically or as a pre-generated CaptCha set -# Kaptsja is the Dutch phonetic pronunciation of the English word Captcha. -# -# WARNING: BEFORE CHANGING ANYTHING IN THIS FILE MAKE A BACKUP SO YOU CAN RESTORE ! -# Read the comments in this file as they contain valuable information to understand the effects -################################################################################################### - -import sys -# sys.path.append("/path/to/your/package_or_module") -sys.path.append(r".") -# import pytesseract # only used to parse generated Kaptsja Image false for analysis purposes only. Program tesseract must be installed! -from PIL import Image, ImageDraw, ImageFont #, ImageFilter -from bs4 import BeautifulSoup as bs # prettify/complete broken HTML output -import random -import re -import string -from base64 import b64decode -import os -import glob -import time -import logging -import threading -from KaptsjaEncDec import Cripto -# import the configuration -from KaptsjaConfiguration import * -# -############################################################################################################################################################ -# SETTINGS (start) See ./scripts/Kaptsja_configuration.py -############################################################################################################################################################ -# end of imports -logging.basicConfig(filename=log_file, level=logging.ERROR, \ - format='%(asctime)s %(levelname)-8s %(message)s', \ - datefmt='%Y-%m-%d %H:%M:%S') -# make directory for encryption key when it doesn't exists -if not os.path.exists(key_dir): - os.makedirs(key_dir) -# make directory for temporary files when it doesn't exists -if not os.path.exists(work_dir): - os.makedirs(work_dir) -########################################## -# START of validation of the configuration -########################################## -syserrmsg = "Error! Look in log file." -# Function to validate -# hexadecimal color code . -def isValidHexaCode(str): - # Regex to check valid - # hexadecimal color code. - regex = "^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$" - # Compile the ReGex - p = re.compile(regex) - # If the string is empty - # return false - if(str == None): - return False - # Return if the string - # matched the ReGex - if(re.search(p, str)): - return True - else: - return False -# -if type(active_captcha_model) != int: - text = "active_captcha_model %s is not an integer. Change the value to 1, 2 or 3." % active_captcha_model - logging.info(text) - sys.exit(syserrmsg) -if not active_captcha_model in (1,2,3): - active_captcha_model = 2 # default 2 -# create empty picture list -picture_list = [] -allowed_file_extensions = (".png", ".jpg", ".jpeg", ".bmp", 'tiff', 'gif', 'eps', 'pcx') # The dot is required! Use only lower case! See for more https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html -if randomlist == True: # all all - for filename in glob.glob(randomlist_dir +'*'): - infile_name, infile_ext = os.path.splitext(filename) - if infile_ext.lower() in allowed_file_extensions: - picture_list.append(filename) -else: - picture_list.append(input_picture_file) -if not len(picture_list) > 0: - text = "Are there pictures in %s?\nAre these settings defined/correct?\n input_picture, input_picture_file, randomlist, randomlist_dir." % randomlist_dir - logging.error(text) - sys.exit(syserrmsg) -if os.path.exists(input_picture_file) == False: - text = "input_picture_file %s does not exist in directory %s. Check media_dir setting and spelling of file name (upper/lower case sensitive) or put an own picture with the exact name in the directory." % (input_picture_file, media_dir) - logging.error(text) - sys.exit(syserrmsg) -if type(input_picture_rescale_width) != int: - text = "Value input_picture_rescale_width %s must be an integer! Minimum 360 and maximum 598.\nValues > maximum are automatically reset to maximum." % input_picture_rescale_width - logging.error(text) - sys.exit(syserrmsg) -if 360 <= int(input_picture_rescale_width) <= 599 or int(input_picture_rescale_width) == 0: # when true we skip else - pass -else: - text = "Value input_picture_rescale_width %s should be minimum 360 and maximum 598.\nValues > maximum are automatically reset to maximum." % input_picture_rescale_width - logging.error(text) - sys.exit(syserrmsg) -if os.path.exists(font_textzone) == False: - text = "Font file defined %s does not exist. Check font_textzone setting and spelling of file name (upper/lower case sensitive)." % font_textzone - logging.error(text) - sys.exit(syserrmsg) -if os.path.exists(font_circle) == False: - text = "Font file defined %s does not exist. Check font_circle setting and spelling of file name (upper/lower case sensitive)." % font_circle - logging.error(text) - sys.exit(syserrmsg) -if type(font_pnts_circle) != int: - text = "font_pnts_circle %s is not an integer. Change the value." % font_pnts_circle - logging.error(text) - sys.exit(syserrmsg) -if type(font_pnts_textzone) != int: - text = "font_pnts_textzone %s is not an integer. Change the value." % font_pnts_textzone - logging.error(text) - sys.exit(syserrmsg) -if type(number_of_letters) != int: - text = "number_of_letters %s is not an integer. Change the value." % number_of_letters - logging.error(text) - sys.exit(syserrmsg) -if type(number_of_digits) != int: - text = "number_of_digits %s is not an integer. Change the value." % number_of_digits - logging.error(text) - sys.exit(syserrmsg) -if type(border_circle) != int: - text = "border_circle %s is not an integer. Change the value." % border_circle - logging.error(text) - sys.exit(syserrmsg) -if type(border_line) != int: - text = "border_line %s is not an integer. Change the value." % border_line - logging.error(text) - sys.exit(syserrmsg) -if type(max_retries) != int: - text = "max_retries %s is not an integer. Change the value." % max_retries - logging.error(text) - sys.exit(syserrmsg) -if type(max_time_to_solve) != int: - text = "max_time_to_solve %s is not an integer. Change the value." % max_time_to_solve - logging.error(text) - sys.exit(syserrmsg) -if type(circle_color_trans) != int: - text = "circle_color_trans %s is not an integer. Change the value." % circle_color_trans - logging.error(text) - sys.exit(syserrmsg) -if circle_color_trans not in range(-1,101): - text = "circle_color_trans %s must be in range 0 - 100. It reflects the percentage of transparency." % circle_color_trans - logging.error(text) - sys.exit(syserrmsg) -if type(char_circle_color_trans) != int: - text = "char_circle_color_trans %s is not an integer. Change the value." % char_circle_color_trans - logging.error(text) - sys.exit(syserrmsg) -if char_circle_color_trans not in range(-1,101): - text = "char_circle_color_trans %s must be in range 0 - 100. It reflects the percentage of transparency." % char_circle_color_trans - logging.error(text) - sys.exit(syserrmsg) -if type(textzone_color_trans) != int: - text = "textzone_color_trans %s is not an integer. Change the value." % textzone_color_trans - logging.error(text) - sys.exit(syserrmsg) -if textzone_color_trans not in range(-1,101): - text = "textzone_color_trans %s must be in range 0 - 100. It reflects the percentage of transparency." % textzone_color_trans - logging.error(text) - sys.exit(syserrmsg) -if not isValidHexaCode(str(textzone_text_color)): - text = "textzone_text_color %s is not a correct hexadecimal color code" % textzone_text_color - logging.error(text) - sys.exit(syserrmsg) -if not isValidHexaCode(str(line_color)): - text = "line_color %s is not a correct hexadecimal color code" % line_color - logging.error(text) - sys.exit(syserrmsg) -if not isValidHexaCode(str(textzone_bg_color)): - text = "textzone_bg_color %s is not a correct hexadecimal color code" % textzone_bg_color - logging.error(text) - sys.exit(syserrmsg) -if type(max_morphing_pie_slices) != int: - text = "max_morphing_pie_slices %s is not an integer. Change the value." % max_morphing_pie_slices - logging.error(text) - sys.exit(syserrmsg) -if max_morphing_pie_slices < 3: - text = "max_morphing_pie_slices %s must be 3 or higher integer. Change the value." % max_morphing_pie_slices - logging.error(text) - sys.exit(syserrmsg) -if type(allowed_evals_per_char) != int: - text = "allowed_evals_per_char %s is not an integer. Change the value." % allowed_evals_per_char - logging.error(text) - sys.exit(syserrmsg) -Unicode_Characters_found = False -if len(re.findall(r'[\u4e00-\u9fff]+', used_letters) ) > 0: - Unicode_Characters_found = True - if any([x in string.digits for x in used_letters]) == True: - text = u"used_letters %s may not contain digits. Change the value." % used_letters.encode("utf8") - logging.error(text) - sys.exit(syserrmsg) -if Unicode_Characters_found == False: - if used_letters.isalpha() == False: - text = u'used_letters %s may only contain alpha letters. Change the value!\nNote: Unicode characters like Chinese are also possible :-), but then the string in the configuration file must start with u"...." to identify it as Unicode. ' % ( used_letters.encode("utf8")) - logging.error(text) - sys.exit(syserrmsg) -if all([x in string.digits for x in used_digits]) == False: - text = "used_digits %s may only contain digits. Change the value." % used_digits - logging.error(text) - sys.exit(syserrmsg) -if number_of_letters + number_of_digits < 1: - text = "number_of_letters + number_of_digits (%s and %s) must be minimal 1, else no Circles will be drawn. Increase the number of letters or digits or both." % (number_of_letters, number_of_digits) - logging.error(text) - sys.exit(syserrmsg) -if number_of_letters + number_of_digits > 10: - text = "number_of_letters + number_of_digits (%s and %s) is maximized 10 to avoid overcrowded Kaptsja's. Decrease the number of letters or digits or both." % (number_of_letters, number_of_digits) - logging.error(text) - sys.exit(syserrmsg) -if os.path.exists(gen_home_page_file) != True: - text = "File %s does not exist in directory %s.\nLooking for %s.\nCheck html_dir setting and spelling of file name (upper/lower case sensitive) or create an own failure page with the exact name. Run KaptsjaHTMLpages.py." % (gen_home_page, html_dir, gen_home_page_file) - logging.error(text) - sys.exit(syserrmsg) -if os.path.exists(gen_failure_page_file) != True: - text = "File %s does not exist in directory %s.\nLooking for %s.\nCheck html_dir setting and spelling of file name (upper/lower case sensitive) or create an own failure page with the exact name. Run KaptsjaHTMLpages.py." % (gen_failure_page, html_dir, gen_failure_page_file) - logging.error(text) - sys.exit(syserrmsg) -if os.path.exists(gen_success_page_file) != True: - text = "File %s does not exist in directory %s.\nLooking for %s.\nCheck html_dir setting and spelling of file name (upper/lower case sensitive) or create an own success page with the correct name. Run KaptsjaHTMLpages.py." % (gen_success_page, html_dir, gen_success_page_file) - logging.error(text) - sys.exit(syserrmsg) -if not 'copyright_text_picture' in globals(): - copyright_text_picture = " " -if type(copyright_text_picture) != str: - text = "copyright_text_picture %s is not a string or no text has been defined. Nothing will be displayed." % copyright_text_picture - logging.info(text) -if not 'copyright_text_position' in globals(): - copyright_text_position = "R" -if copyright_text_position not in ("R", "L", "r", "l"): - copyright_text_position = "R" -if not 'textzone_center_text' in globals(): - textzone_center_text = True -if not type(textzone_center_text) == bool: - textzone_center_text = True -if not type(rotate_char_circle) == bool: - rotate_char_circle = True -if not type(rotate_angle_char_circle) == int: - rotate_angle_char_circle = 30 -if -1 <= int(rotate_angle_char_circle) <= 361 : # when true we skip else - pass -else: - rotate_angle_char_circle = 30 -try: - import lxml - beautifulsoup_parser = "lxml" - text = "BeautifulSoup uses lxml parser" - logging.info(text) -except: - beautifulsoup_parser = "html.parser" - text = "BeautifulSoup uses html.parser" - logging.info(text) - # -###################################### -### Do not change any text literals here, but only in KaptsjaConfiguration.py! -###################################### -# Defines text literals in English when not set in Configuration or deleted by accident -# When text literal is set to None, no text will be shown -# When text literal is set to "", the default English text will be shown -# Else the "translated text" set in Configuration will be shown -text = "Please check box to continue3" -if not "check_the_box_text" in globals(): - check_the_box_text = text -if check_the_box_text == "": - check_the_box_text = text -if check_the_box_text is None: - check_the_box_text = "" - -text = "Number of clicks:" -if not "number_of_clicks" in globals(): - number_of_clicks = text -if number_of_clicks == "": - number_of_clicks = text -if number_of_clicks is None: - number_of_clicks = "" - -text = "Too many clicks. Retry." -if not "too_many_clicks_text" in globals(): - too_many_clicks_text = text -if too_many_clicks_text == "": - too_many_clicks_text = text -if too_many_clicks_text is None: - too_many_clicks_text = "" - -text = "Clicking the exact number of circles enables Submit button" -if not "exact_nr_circles_submit" in globals(): - exact_nr_circles_submit = text -if exact_nr_circles_submit == "": - exact_nr_circles_submit = text -if exact_nr_circles_submit is None: - exact_nr_circles_submit = "" - -text = "Submitted. Click button New Picture." -if not "submitted_text" in globals(): - submitted_text = text -if submitted_text == "": - submitted_text = text -if submitted_text is None: - submitted_text = "" - -text = "Too many retries. Click button New Picture." -if not "too_many_retries_text" in globals(): - too_many_retries_text = text -if too_many_retries_text == "": - too_many_retries_text = text -if too_many_retries_text is None: - too_many_retries_text = "" - -text = "New Picture" -if not "new_pic_button_text" in globals(): - new_pic_button_text = text -if new_pic_button_text == "": - new_pic_button_text = text -if new_pic_button_text is None: - new_pic_button_text = "" - -text = "Retry" -if not "retry_button_text" in globals(): - retry_button_text = text -if retry_button_text == "": - retry_button_text = text -if retry_button_text is None: - retry_button_text = "" - -text = "Submit Result" -if not "submit_button_text" in globals(): - submit_button_text = text -if submit_button_text == "": - submit_button_text = text -if submit_button_text is None: - submit_button_text = "" - -text = "CaptCha for Human recognition" -if not "intro_captcha_text" in globals(): - intro_captcha_text = text -if intro_captcha_text == "": - intro_captcha_text = text -if intro_captcha_text is None: - intro_captcha_text = "" - -text = "Human Verification" -if not "captcha_hdr_text" in globals(): - captcha_hdr_text = text -if captcha_hdr_text == "": - captcha_hdr_text = text -if captcha_hdr_text is None: - captcha_hdr_text = "" - -# Close modal window character X or use another HTML entity defined as &xxx; -# Symbol × equals to × text may be used style is H2 -text = "⊗" -if not "captcha_hdr_close" in globals(): - captcha_hdr_close = text -if captcha_hdr_close == "": - captcha_hdr_close = text -if captcha_hdr_close is None: - captcha_hdr_close = "" - -text = "I am a not a robot  " -if not "not_a_robot_text" in globals(): - not_a_robot_text = text -if not_a_robot_text == "": - not_a_robot_text = text -if not_a_robot_text is None: - not_a_robot_text = "" - -text = "#a3ff9e" -if not "submit_button_bgcolor_enabled" in globals(): - submit_button_bgcolor_enabled = text -if submit_button_bgcolor_enabled == "": - submit_button_bgcolor_enabled = text -if submit_button_bgcolor_enabled is None: - submit_button_bgcolor_enabled = "" - -text = "#ff9e9e" -if not "submit_button_bgcolor_disabled" in globals(): - submit_button_bgcolor_disabled = text -if submit_button_bgcolor_disabled == "": - submit_button_bgcolor_disabled = text -if submit_button_bgcolor_disabled is None: - submit_button_bgcolor_disabled = "" - -text = "#a3ff9e" -if not "retry_button_bgcolor_enabled" in globals(): - retry_button_bgcolor_enabled = text -if retry_button_bgcolor_enabled == "": - retry_button_bgcolor_enabled = text -if retry_button_bgcolor_enabled is None: - retry_button_bgcolor_enabled = "" - -text = "#ff9e9e" -if not "retry_button_bgcolor_disabled" in globals(): - retry_button_bgcolor_disabled = text -if retry_button_bgcolor_disabled == "": - retry_button_bgcolor_disabled = text -if retry_button_bgcolor_disabled is None: - retry_button_bgcolor_disabled = "" - -text = "#a3ff9e" -if not "new_pic_button_bgcolor_enabled" in globals(): - new_pic_button_bgcolor_enabled = text -if new_pic_button_bgcolor_enabled == "": - new_pic_button_bgcolor_enabled = text -if new_pic_button_bgcolor_enabled is None: - new_pic_button_bgcolor_enabled = "" - -text = "#ff9e9e" -if not "new_pic_button_bgcolor_disabled" in globals(): - new_pic_button_bgcolor_disabled = text -if new_pic_button_bgcolor_disabled == "": - new_pic_button_bgcolor_disabled = text -if new_pic_button_bgcolor_disabled is None: - new_pic_button_bgcolor_disabled = "" - -text = "Are you human? Click in each circle. First Digits then Letters.\n In ASCENDING order (▲).\n Not readable? Click on New Picture button." -if not "text_Ascending" in globals(): - text_Ascending = text -if text_Ascending == "": - text_Ascending = text -if text_Ascending is None: - text_Ascending = "" - -text = "Are you human? Click in each circle. First Letters then Digits.\n In DESCENDING order (▼).\n Not readable? Click on New Picture button." -if not "text_Descending" in globals(): - text_Descending = text -if text_Descending == "": - text_Descending = text -if text_Descending is None: - text_Descending = "" - -if not "ico_file" in globals(): - ico_file = media_dir + r"Kaptsja.ico" -if os.path.exists(ico_file) == False: - text = "File %s did not exist in directory %s.\nIt will be created." % (ico_file, media_dir) - logging.error(text) - ico_encoded = b'AAABAAEANzwQAAEABADYCAAAFgAAACgAAAA3AAAAeAAAAAEABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2Bx4A1NTUANXV1QDY2NgA2dnZANra2gDb29sA3NzcAN3d3QDe3t4A39/fAP///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGKqqqqiqqqqqiqqqqoqpmqqoqpY4AAAAAAAAALu7u7u7u7u7u7u7u7u7u7u7u7u7sgAAAAAAAAq7u7u7u7u7u7u7u7u7u7u7u7u7u7EAAAAAAAAKu7u7u7u7u7u7u7u7u7u7u7u7u7uxAAAAAAAACruwAAAAAAAAAAAAAAAAAAAAAAC7sQAAAAAAAAq7sAAAAAAAAAu7AAAAAAAAAAAAu7EAAAAAAAAKu7AAAAAAAAC7u7AAAAAAAAAAALuxAAAAAAAACruwAAAAAAALu7u7AAAAAAAAAAC7sQAAAAAAAAq7sAAAAAAAu7u7u7AAAAAAAAAAu7EAAAAAAAAKu7AAAAAAu7u7u7u7AAAAAAAAALuxAAAAAAAACruwAAAAALu7u7u7u7AAAAAAAAC7sQAAAAAAAAq7sAAAAAu7u7AAu7u7AAAAAAAAu7EAAAAAAAAKu7AAAAu7u7sAAAu7u7AAAAAAALuxAAAAAAAACruwAAALu7uwAAAAu7u7AAAAAAC7sQAAAAAAAAq7sAALu7u7AAAAAAu7u7AAAAAAu7EAAAAAAAAKu7AAC7u7sAAAAAAAu7u7AAAAALuxAAAAAAAACruwALu7uwAAAAAAAAu7u7AAAAC7sQAAAAAAAAq7sAu7u7AAAAAAAAAAu7u7AAAAu7EAAAAAAAAKu7C7u7sAAAAAAAAAAAu7u7AAALuxAAAAAAAACru7u7uwAAAAAAAAAAAAu7u7AAC7sQAAAAAAAAq7u7u7AAAAAAAAAAAAAAu7u7AAu7EAAAAAAAAKu7u7sAAAAAAAAAAAAAAAu7u7ALuxAAAAAAAACru7uwAAAAAAAAAAAAAAAAu7u7C7sQAAAAAAAAq7sAAAAAAAAAAAAAAAAAAAu7u7u7EAAAAAAAAKu7AAAAAAAAAAAAAAAAAAAAu7u7uxAAAAAAAACruwAAAAAAAAAAAAAAAAAAAAu7u7sQAAAAAAAAq7sAAAAAAAAAAAAAAAAAAAAAu7u7EAAAAAAAAKu7AAAAAAAAAAAAAAAAAAAAAAu7u7AAAAAAAACruwAAAAAAAAAAAAAAAAAAAAAAu7uwAAAAAAAAq7sAAAAAAAAAAAAAAAAAAAAAAAu7uwAAAAAAAKu7AAAAAAAAAAAAAAAAAAAAAAALu7u7AAAAAACruwAAAAAAAAAAAAAAAAAAAAAAC7u7uwAAAAAAq7sAAAAAAAAAAAAAAAAAAAAAAAu7u7uwAAAAAKu7AAAAAAAAAAAAAAAAAAAAAAALuxu7uwAAAACruwAAAAAAAAAAAAAAAAAAAAAAC7sQu7sAAAAAq7sAAAAAAAAAAAAAAAAAAAAAAAu7EAu7AAAAAKu7AAAAAAAAAAAAAAAAAAAAAAALuxAAAAAAAACruwAAAAAAAAAAAAAAAAAAAAAAC7sQAAAAAAAAq7u7u7u7u7u7u7u7u7u7u7u7u7u7EAAAAAAAAKu7u7u7u7u7u7u7u7u7u7u7u7u7uxAAAAAAAAAFu7u7u7u7u7u7u7u7u7u7u7u7u7tAAAAAAAAABWd3d3d3d3d3d3d3d3d3d3d3d3ZWAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' - try: - ico_bin = b64decode(ico_encoded) - f = open(ico_file, "wb") - f.write(ico_bin) - f.close() - except: - text = "File %s in directory %s.\nFailure to create. Is import base64 missing? Check ico_encoded in KaptsjaGenerator.py. Maybe corrupt?" % (ico_file, media_dir) - logging.error(text) - -########################################## -# END of validation of the configuration -########################################## - -# create the Encryption Cipher object using the secret_key_file -# when a secret_key_file does not exists it will be created automatically in key_dir -cripto = Cripto(secret_key_file) - - -class Kaptsja(object): - def __init__(self, plainstring="", mode=captcha_page_url): - self.plainstring = plainstring - self.charlist = [] - self.reverse = "0" - self.randomlist = randomlist - ##print("self.randomlist=", self.randomlist) - self.picture_list = [] - self.mode = mode - - def rcolor(self): - return '#{:06x}'.format(random.randint(0x011110, 0xFFFFFF)) - #return '#{:06x}'.format(random.randint(0, 256**3)) # alternative 1 - # return f"#{random.randrange(0x010000):06x}" # alternative 2 - - def rgb2hex (self, r,g,b): - return tuple(lambda r,g,b: f"#{r:02x}{g:02x}{b:02x}") # create tuple with 3 RGB digits add leading zeros when needed - - def hex2rgb (self, hx): - # hexcolor = hx.lstrip("#") - return tuple(int(hx.lstrip("#")[i:i+2], 16) for i in (0, 2, 4)) # create tuple with hexadecimal color code with leading # - - def hex2rgb_transparent (self, hx, color_transparency): # create tuple with 4 RGB digits add leading zeros when needed, last digit is transparency digit - # hexcolor = hx.lstrip("#") - T1 = tuple(int(hx.lstrip("#")[i:i+2], 16) for i in (0, 2, 4)) - # tuples are immutable, so we make a list and add extra transparancy value (128 means half transparent) - L1 = list(T1) - L1.append(int((100-color_transparency)*255/100)) - T1=tuple(L1) - color = T1 - return color - - def inverse_rgbcolor(self, rgbcolor): - return tuple(map(lambda x: 255 - x, rgbcolor)) - - # Calculate with Pythagoras formula the distance between 2 circle centers x1, y1 and x2, y2 - # square root of (square X multiplied with Square Y) or in formula:√(x²+ y²) = √r² returns d (istance) - def distance(self, x1, y1, x2, y2): - dsq = (x1 - x2) ** 2 + (y1 - y2) ** 2 - d = dsq**(1/2) # square root - return d - - def text_wrap(self, text, font, max_width): - # Wrap text into the text zone width to be display - lines = [] - - # When text width is smaller than the max_width (of text zone) no split is needed - # Text is just added to the list with line list - if font.getsize(text)[0] <= max_width: - lines.append(text) - else: - # "\n" in text forces a new line break so split text in multiple lines - newtextlines = text.split('\n') - for newtextline in newtextlines: - newtextline = newtextline.lstrip(" ") # strip leading spaces at start of a new line - # split the line by spaces into list of words - words = newtextline.split(' ') - i = 0 # index to count the added words in "display" line - # append each word to a "display" line as long as it fits (width is shorter than the textzone width) - while i < len(words): - line = '' # start with empty "display" line - while i < len(words) and font.getsize(line + words[i])[0] <= max_width: - # check if there are still words to be added and if the width of the line + word to be added still fit in the text zone using the given font size width. - line = line + words[i]+ " " # add word to line plus a space - i += 1 # update counter - if not line: # in case there - line = words[i] - i += 1 - lines.append(line) - return lines - - def create_unique_file(self, unique_time, infile): - infile_name, infile_ext = os.path.splitext(infile) - generated_unique_infile = infile_name + "_" + self.unique_time + infile_ext - generated_unique_outfile = work_dir + generated_unique_infile - generated_unique_outfile_url = work_url + generated_unique_infile - return generated_unique_outfile, generated_unique_outfile_url - - def create_all_filenames_and_fileurls(self): - self.unique_time = str(time.time()) - # The file names and urls are generated here - self.gen_captcha_page_file, self.gen_captcha_page_file_url = self.create_unique_file(self.unique_time, gen_captcha_page) # first is the file, second is url - self.generated_unique_picture_file, self.generated_unique_picture_file_url = self.create_unique_file(self.unique_time, gen_picture) # first is the file, second is url - self.gen_div_page_file, self.gen_div_page_file_url = self.create_unique_file(self.unique_time, gen_div_page) # first is the file, second is url - self.gen_modal_page_file, self.gen_modal_page_file_url = self.create_unique_file(self.unique_time, gen_modal_page) # first is the file, second is url - self.gen_css_file, self.gen_css_file_url = self.create_unique_file(self.unique_time, gen_css) # first is the file, second is url - self.gen_javascript_file, self.gen_javascript_file_url = self.create_unique_file(self.unique_time, gen_javascript) # first is the file, second is url - - def set_charlist(self): - if self.plainstring == None or self.plainstring == " ": - self.charlist = random.sample(used_letters, number_of_letters)+ random.sample(used_digits, number_of_digits) - logging.info(r"Create Kaptsja: charlist generated: %s" % self.charlist) - else: - self.charlist = list(self.plainstring) # use the provided characters given to this function - logging.info(r"Create Kaptsja: charlist provided: %s" % self.charlist) - random.shuffle(self.charlist) - self.reverse = random.choice(["0", "1"]) - # Return two values: A checkvalue (charlist) which contains the shuffled and previously entered 6 digits or characters - # An encrypted controlvalue created from the checkvalue. - # The controlvalue should be send hidden along with the Kaptsja map to the user. - # The user clicks on the Kaptsja map in the correct way and returns the clicked result including the controlvalue. - # The Encryption function expects a single string input. Therefore the numeric digits in charlist - # are first converted into string digits and then joined into a single string - self.plainstring = ''.join(map(str, self.charlist)) - return self.plainstring - - def get_filelist(self, dir, filter="*"): - filelist =[] - for filename in glob.glob(randomlist_dir +'*'): - infile_name, infile_ext = os.path.splitext(filename) - if infile_ext.lower() in allowed_file_extensions: - filelist.append(filename) - ##print(dir, filter, filename) - return filelist - - def create_picturelist(self): - if self.randomlist: - self.picture_list = self.get_filelist(randomlist_dir, filter="*") - ##print("self.picture_list =", self.picture_list ) - else: - self.picture_list.append(os.path.normpath(input_picture_file)) - - def set_random_picture(self): - self.input_picture = random.choice(self.picture_list) - ##print("self.input_picture=",self.input_picture) - - def get_font(self, font_type, font_points, text): - fnt = ImageFont.truetype(font_type, font_points) - fw = 0 - fh = 0 - fw_max = 0 - fh_max = 0 - for char in text: - fw, fh = fnt.getsize(text = char) - if fw > fw_max: fw_max = fw - if fh > fh_max: fh_max = fh - return fnt, fw_max, fh_max - - def scale_input_picture(self): - self.set_random_picture() - picture = Image.open(self.input_picture) - # When closing the Bottle server with CTRL-C this error might appear: - # sys:1: ResourceWarning: unclosed file <_io.BufferedReader name='.//.jpg'> - # The reason is that Image.open function keeps the file open till picture is closed or saved. - # This picture must be opened here but it is not (yet) closed when CTRL-C is used! - # Get Width and height of the Input image - self.wpic, self.hpic = picture.size - logging.info(r"Create Kaptsja: picture %s provided with size (w, h): %s" %(picture.filename, picture.size) ) - rescale = False # default no rescale, unless... - # all input pictures will be automatically rescaled once and original will be overwritten! - if input_picture_rescale_width > 0: - # input picture will be rescaled when value is between min and max values (see validation) - rescale_wpic = input_picture_rescale_width - rescale = True - if self.wpic > 598: - rescale_wpic = 598 # This is the maximum allowed width (forced as default maximum of bootstrap modal is 600px) - rescale = True - if rescale == True: - factor = (rescale_wpic / self.wpic) - rescale_hpic = int((self.hpic * factor)) # same percentage of resizing as width must be integer not float - text = "Provided image width %s exceeds the max width of the modal window size which is 600px.\nRezing and saving image %s to %s x %s pixels" % (picture, self.wpic, rescale_wpic, rescale_hpic) - logging.info(text) - picture = picture.resize((rescale_wpic,rescale_hpic), resample=0) - self.wpic, self.hpic = picture.size - self.picture = picture - picture.save(self.input_picture) - # make a blank image from input picture (might be resized!) to allow opacity with transparency drawings - self.picRGBA = picture.convert('RGBA') - self.img = Image.new('RGBA', self.picRGBA.size, (255,255,255,0)) - # Create a Draw object to put text, circles etc on - self.draw = ImageDraw.Draw(self.img) - return 0 - - def create_textzone(self): - # Get Font for text zone - fnt_for_textzone, fwt_max, fht_max = self.get_font(font_textzone, font_pnts_textzone, list(text_Ascending+text_Descending)) - # set text for Ascending / Descending - if self.reverse == "0": # "0" = Ascending - text=text_Ascending - else: # "1" = Descending - text=text_Descending - # calculate the text zone positioning, based on the number of lines and wrap the text properly so it fits within the given boundaries. - text_x_min = border_line # left start x-position for a text line (in the textzone) - text_x_max = self.wpic - border_line # right end x-position for a text line (in the textzone) - text_max_width = text_x_max - text_x_min - lines = self.text_wrap(text, fnt_for_textzone, text_max_width) - line_height = fht_max # a line height is determined by the maximum height of the font - text_y_min = self.hpic - (fht_max * len(lines)) # top start y-position for a first text line - text_y_max = self.hpic - border_line # bottom end y-position for the last text line (in the textzone) - text_y_max = text_y_max - (len(lines)*line_height) # adjusted y-position. - x = text_x_min - y = text_y_max - # draw rectangle at bottom, used transparency as defined in configuration setting - textzone_fill_color_transparent = self.hex2rgb_transparent(textzone_bg_color, textzone_color_trans) - self.draw.rectangle((0,text_y_min - border_line, self.wpic, self.hpic - border_line), fill=textzone_fill_color_transparent) #, outline = line_color, width=0) - # position aligned text line by line - for line in lines: - line_fnt_width = fnt_for_textzone.getsize(line)[0] - if textzone_center_text == True: - self.draw.text(( text_max_width//2 - line_fnt_width//2 ,y), line, fill=textzone_text_color, font=fnt_for_textzone) - else: - self.draw.text((x,y), line, fill=textzone_text_color, font=fnt_for_textzone) - y = y + line_height # update y-axis for new line - # draw top en bottom border_circle of the rectangle, no left, right border_circle - self.draw.line((0, text_y_min - border_line, self.wpic, text_y_min - border_line), fill=line_color, width=border_line) - self.draw.line((0, self.hpic - border_line//2, self.wpic, self.hpic - border_line//2), fill=line_color, width=border_line) - - # draw lines over text to morph the text a little - for line_h in range (text_y_min - border_line, self.hpic, 10): - self.draw.line((0,line_h, self.wpic, line_h), fill=line_color, width=1) - self.textzone_y_top = text_y_min - border_line//2 # Circles may not be drawn in the textzone and its border_circle - return 0 - - def create_copyright_text(self, text): - # Position the Copyright Text - fnt_for_copyright, copyright_text_width, copyright_text_height = self.get_font(font_textzone, font_pnts_copyright_text, text) - copyright_text_width = fnt_for_copyright.getsize(copyright_text_picture)[0] - if copyright_text_position.lower() == "r": - self.draw.text((self.wpic - copyright_text_width - 5, 5), copyright_text_picture, fill=copyright_text_color, font=fnt_for_copyright) - else: # left upper corner - self.draw.text((5, 5), copyright_text_picture, fill=copyright_text_color, font=fnt_for_copyright) - return 0 - - def create_circles(self): - # Get font for circles - fnt_for_circle, fwc_max, fhc_max = self.get_font(font_circle, font_pnts_circle, self.charlist) - # circle dimensions depends on max size of fw_max anf hh_max - if fwc_max > fhc_max: - cdiam = fwc_max * 2 # cdiam circle diameter excluding a border_circle size, 2 times the max width of selected font - else: - cdiam = fhc_max * 2 # cdiam circle diameter excluding a border_circle size, 2 times the max height of selected font - rad_minimum = cdiam // 3 # the minimum radius of a circle - # Create a list of mapareas: used in HTML file, maparea's must be "drawn by browser exactly on top of circles in picture") - self.map_area_list = [] - # Create a list of circles. Each circle is a tuple with 3 components, the x and y coordinate and the radius. Append new circles as long the length of the list is less than n: - circle_list = [] - # i is index for identify the ID of the HTML area's and when clicked ID is used to create a checkvalue in the HTML form - i = 0 - # Counter for the number of evaluations a - # The allowed_evals_per_char forces a break to prevent an endless loop - # in case not all circles will fit on the given space/pictures. - evaluations = 0 - max_evaluations = len(self.charlist) * allowed_evals_per_char - while len(circle_list) < len(self.charlist): - evaluations = evaluations + 1 - if evaluations > max_evaluations: # evaluation stopped as there is most likely no place on picture anymore - logging.error(r"Create Kaptsja: Too high number of Circle collisions therefore a break is forced.") - logging.error(r"Create Kaptsja: Check picture size, font size, given number of characters and adapt their values.") - logging.error(r"Create Kaptsja: (Width, Height) of picture:%s and font %s, number of characters: %s" %((self.wpic, self.hpic), (fwc_max, fhc_max), len(self.charlist))) - logging.error(r"Create Kaptsja: 1. Start with reducing the number of characters on the Kaptsja picture.") - logging.error(r"Create Kaptsja: 2. Reduce font size.") - pic_minheight = self.hpic - self.textzone_y_top + (cdiam + border_circle+border_line)*3 # recommended height for a picture to avoid too much collisions - logging.error(r"Create Kaptsja: 3. Increase picture size (Recommended minimum height is %s)." % pic_minheight) - return 1 - - try: - #Create a random x, y position and radius for circles: - r = rad_minimum # sets the minimum radius - r = random.randint(r, r + 15) - x = random.randint(0, self.wpic - (r + border_circle) * 2 ) - y = random.randint(0, self.textzone_y_top - (r + border_circle) * 2) - d = (r+border_circle) * 2 - char= self.charlist[i] - except ValueError as e: - logging.error(r"Create Kaptsja: Text zone doesn't fit on this picture. Calculated value is %s." % self.textzone_y_top) - logging.error(r"Create Kaptsja: Check picture size, font size, given number of characters and adapt their values.") - logging.error(r"Create Kaptsja: (Width, Height) of picture:%s and font %s, number of characters: %s" %((self.wpic, self.hpic), (fwc_max, fhc_max), len(self.charlist))) - logging.error(r"Create Kaptsja: 1. Start with reducing the number of characters on the Kaptsja picture.") - logging.error(r"Create Kaptsja: 2. Reduce font size.") - pic_minheight = self.hpic - self.textzone_y_top + (cdiam + border_circle)*3 # recommended height for a picture to avoid too much collisions - logging.error(r"Create Kaptsja: 3. Increase picture size (Recommended minimum height is %s)." % pic_minheight) - return 1 - # Evaluate if the circle intersects with an other circle which is in the list - collide = False - # # use Pythagoras formula to calculate distances between new circle and the ones in the circle_list. - for x2, y2, r2 in circle_list: - # add each evaluations to counter - evaluations = evaluations + 1 - d = self.distance(x, y, x2, y2) - if d < r*1.9//1 + r2 : - collide = True - break - # Append the circle to list if it does not collide: - if not collide: - circle_list.append((x, y, r)) - # Draw the circle on the image and place character in circle - circle_fill_color = self.rcolor() - circle_fill_color_transparent = self.hex2rgb_transparent(circle_fill_color, circle_color_trans) - fw, fh = self.draw.textsize(text="{0}".format(char),font=fnt_for_circle) - # text_color is the inversed value color of circle_fill_color which is a hexcode color - # Below the hexcode color is converted to rgb code and then change to it's inversed value - text_color = self.inverse_rgbcolor(self.hex2rgb_transparent( circle_fill_color, char_circle_color_trans)) - - # Use ONLY anchor in draw.text (....., anchor="mm") when PIL version is 8.0.0 or higher! - # The anchor parameter was present in earlier versions of Pillow, but implemented only in version 8.0.0. The anchor parameter is ignored for non-TrueType fonts. - if rotate_char_circle == True: - # Create a transparent image mask with sizes of a (circle radius + border_circle) * 2 , that's a square - img_mask = Image.new('RGBA', (r * 2+border_circle, r * 2+border_circle), color=(0,0,0,0) ) - draw_img_mask = ImageDraw.Draw(img_mask) - # draw the circle on this square mask and fill circle - draw_img_mask.ellipse(((0,0), r * 2, r * 2), fill=circle_fill_color_transparent, outline=self.rcolor(), width=border_circle) - # Create a second image with same size as the mask - img_char = Image.new('RGBA', (r * 2+border_circle, r * 2+border_circle), color = circle_fill_color_transparent) - draw_img_char = ImageDraw.Draw(img_char) - # pick a random angle to rotate this second image once the character has been drawn - angle = random.randint(int(rotate_angle_char_circle) * -1, int(rotate_angle_char_circle)) - # calculate the xy position of the character in the circle - xy=(r - (fw / 2) , r - (fh / 2)) - # draw the character on second image - draw_img_char.text(xy=(r - (fw / 2) , r - (fh / 2)), text="{0}".format(char), fill=text_color,font=fnt_for_circle) - - # self.draw_rotated_text(img_char, angle, xy, text="{0}".format(char), fill=text_color,font=fnt_for_circle) - # morphing the character with pie slices positioned from the circle center. - # the size of the pie slice is randomly. - num_of_pieslice = random.randint(3, max_morphing_pie_slices) - pieslice_start_angles = random.sample(range(0,360), num_of_pieslice) - for pieslice_start_angle in pieslice_start_angles: - pieslice_end__angle = pieslice_start_angle+(random.randint(3,15) ) - draw_img_char.pieslice((border_circle * 2, border_circle * 2, (r - border_circle) * 2 , (r - border_circle) * 2), pieslice_start_angle, pieslice_end__angle, fill=circle_fill_color_transparent) - # put a line under numbers 6 and 9 to avoid recognition mistakes when characters are rotated "too" much - if char in ("6", "9"): - draw_img_char.line((r - (fw / 2), r - (fh / 2) + fh, r - (fw / 2) + fw, r - (fh / 2) + fh), fill=text_color, width=1) - img_char = img_char.rotate(angle) - - self.img.paste(img_char, (x,y), img_mask) - # angle = random.randint(int(rotate_angle_char_circle) * -1, int(rotate_angle_char_circle)) - # xy=(x + r - (fw // 2) , y + r - (fh // 2)) - # self.draw_rotated_text(self.img, angle, xy, text="{0}".format(char), fill=text_color,font=fnt_for_circle) - else: - self.draw.ellipse(((x,y), x + r * 2, y + r * 2), fill=circle_fill_color_transparent, outline=self.rcolor(), width=border_circle) - self.draw.text(xy=(x + r - (fw // 2) , y + r - (fh // 2)), text="{0}".format(char), fill=text_color,font=fnt_for_circle) - # morphing the character with pie slices positioned from the circel center. - # the size of the pie slice is randomly. - num_of_pieslice = random.randint(3, max_morphing_pie_slices) - pieslice_start_angles = random.sample(range(0,360), num_of_pieslice) - for pieslice_start_angle in pieslice_start_angles: - pieslice_end__angle = pieslice_start_angle+(random.randint(3,15) ) - self.draw.pieslice((x + border_circle, y + border_circle, x + r * 2 - border_circle, y + r * 2 - border_circle), pieslice_start_angle, pieslice_end__angle, fill=circle_fill_color_transparent) - # Append the area to maparea list: - self.map_area_list.append('Click here' % (random.randint(100,200), x + r, y + r, r + border_circle // 2, i) ) - i=i+1 # count this circle - self.create_copyright_text(copyright_text_picture) - out = Image.alpha_composite(self.picRGBA, self.img) - out.save(self.generated_unique_picture_file) - logging.info(r"Create Kaptsja: generated Kaptsja picture PNG file: %s" % self.generated_unique_picture_file) - return 0 - - # keep this method, however it is not in use - def draw_rotated_text(self, image, angle, xy, text, fill, *args, **kwargs): - """ Draw text at an angle into an image, takes the same arguments - as Image.text() except for: - - :param image: Image to write text into - :param angle: Angle to write text at - """ - # get the size of our image - width, height = image.size - max_dim = max(width, height) - - # build a transparency img_mask large enough to hold the text - img_mask_size = (max_dim * 2, max_dim * 2) - img_mask = Image.new('L', img_mask_size, 0) - - # add text to img_mask - draw = ImageDraw.Draw(img_mask) - draw.text((max_dim, max_dim), text, 255, *args, **kwargs) - - if angle % 90 == 0: - # rotate by multiple of 90 deg is easier - rotated_img_mask = img_mask.rotate(angle) - else: - # rotate an an enlarged img_mask to minimize jaggies - bigger_img_mask = img_mask.resize((max_dim*8, max_dim*8), - resample=Image.BICUBIC) - rotated_img_mask = bigger_img_mask.rotate(angle).resize( - img_mask_size, resample=Image.LANCZOS) - - # crop the img_mask to match image - img_mask_xy = (max_dim - xy[0], max_dim - xy[1]) - b_box = img_mask_xy + (img_mask_xy[0] + width, img_mask_xy[1] + height) - img_mask = rotated_img_mask.crop(b_box) - - # paste the appropriate color, with the text transparency img_mask - color_image = Image.new('RGBA', image.size, fill) - image.paste(color_image, img_mask) - - -# All braces for css and javascript itself MUST be double notation like {{ // some css or javascript code }} to escape the first. -# Only one brace will be generated in the output. All formatting keys like .format(key= ) MUST have a single brace {key} notation. - - def html_header_css(self): - return ''' - // this file/part is generated by KaptsjaGenerator.py - area {{ - cursor:pointer; - }} - table tr td {{ - border: 5px; - text-align: center; - vertical-align: middle; - }} - #count_clicks_per_try {{ - border:1px; - }} - #count_max_retries {{ - border:1px; - }} - #message {{ - border:1px; - color: red; - }} - #submitbutton[disabled] - {{ - background: {retry_button_bgcolor_disabled}; # redish - }} - #submitbutton - {{ - background: {retry_button_bgcolor_enabled}; // greenish - }} - #retrybutton[disabled] - {{ - background: {retry_button_bgcolor_disabled}; # redish - }} - #retrybutton - {{ - background: {retry_button_bgcolor_enabled}; // greenish - }} - #reloadbutton[disabled] - {{ - background: {new_pic_button_bgcolor_disabled}; # redish - }} - #reloadbutton - {{ - background: {new_pic_button_bgcolor_enabled}; // greenish - }} - '''.format(submit_button_bgcolor_enabled=submit_button_bgcolor_enabled, \ - submit_button_bgcolor_disabled=submit_button_bgcolor_disabled, \ - retry_button_bgcolor_enabled=retry_button_bgcolor_enabled, \ - retry_button_bgcolor_disabled=retry_button_bgcolor_disabled, \ - new_pic_button_bgcolor_enabled=new_pic_button_bgcolor_enabled, \ - new_pic_button_bgcolor_disabled=new_pic_button_bgcolor_disabled, \ - ) -# modal - def html_header_css_modal(self): - return ''' - {html_header_css} - .close:focus, button.close:hover {{ - color: #FF0000; - }} - .modal-header {{ - padding-left: 15px; - padding-right: 15px; - padding-top: 2px; - padding-bottom: 2px; - }} - .modal-body {{ - padding-left: 0px; - padding-right: 0px; - padding-top: 2px; - padding-bottom: 2px; - }} - .modal-footer {{ - padding-left: 15px; - padding-right: 15px; - padding-top: 2px; - padding-bottom: 2px; - }} - .modal-content {{ - width:{width}px; - position: relative; - background-color: #fff; - -webkit-background-clip: padding-box; - background-clip: padding-box; - border: 1px solid #999; - border: 1px solid rgba(0,0,0,.2); - border-radius: 6px; - outline: 0; - -webkit-box-shadow: 0 3px 9px rgba(0,0,0,.5); - box-shadow: 0 3px 9px rgba(0,0,0,.5); - }} - ` '''.format(html_header_css=self.html_header_css(), \ - width=self.wpic+2, \ - ) - # 2 pixels extra are needed to get good right alignment (generated max picture width is 2 pixels than max widt of modal-content - def javascript_window_onload_modal(self): - return ''' ''' - def html_header_modal(self): - return '''
- -

{captcha_hdr_text}

-
- '''.format(captcha_hdr_close=captcha_hdr_close, \ - captcha_hdr_text=captcha_hdr_text) - def html_body_modal(self): - return '''
-
- ''' - def html_footer_modal(self): - return ''' -
- -
- - '''.format (jquery_js_file=jquery_js_file, bootstrap_js_file=bootstrap_js_file) - def javascript_freload_modal(self): - return ''' - function freload() {{ - setTimeout(function (){{ - // Delay time of 1.5 seconds between clicks on New Picture button will help to delete meanwhile chached Kaptsja's - }}, 1500); // How long do you want the delay to be (in milliseconds)? - - // following is required to force browser to reload always the page! - var tnow = new Date(Date.now()); - var formatted_stamp = tnow.getHours() + "_" + tnow.getMinutes() + "_" + tnow.getSeconds() + "_" + Math.random() * 1000; - // Following line shows modal window direct, next block used fancy fade in and out, comment this line and uncomment the block is you want to use it - $("#myModal").find(".modal-content").load("{modal_captcha_page_url}?random=" + formatted_stamp ).show(); - // Show modal with fade in and fade out effect This is an alternative for the line above - // $('#myModal').fadeOut("slow",function(){{ - // // specify here actions you need - // }}).fadeIn("slow",function(){{ - // $("#myModal").find(".modal-content").load("{modal_captcha_page_url}?random=" + formatted_stamp ).show(); - // }}); - }} - '''.format(modal_captcha_page_url=modal_captcha_page_url ) - def html_reload_button_modal(self): - return '''\n - '''.format(new_pic_button_text=new_pic_button_text) -# div - def javascript_window_onload_div(self): - return ''' ''' - def javascript_freload_div(self): - return ''' - function freload (e) {{ - setTimeout(function (){{ - // Delay time of 1.5 seconds between clicks on New Picture button will help to delete meanwhile chached Kaptsja's - }}, 1500); // How long do you want the delay to be (in milliseconds)? - - // following is required to force browser to reload always the page! - var tnow = new Date(Date.now()); - var formatted_stamp = tnow.getHours() + "_" + tnow.getMinutes() + "_" + tnow.getSeconds() + "_" + Math.random() * 1000; - - (e || window.event).preventDefault(); - var con = document.getElementById('content') - , xhr = new XMLHttpRequest(); - xhr.onreadystatechange = function (e) {{ - if (xhr.readyState == 4 && xhr.status == 200) {{ - con.innerHTML = xhr.responseText; - }} - }} - xhr.open("GET", "{div_captcha_page_url}?random=" + formatted_stamp, true); - xhr.setRequestHeader('Content-type', 'text/html'); - xhr.send(); - }} - '''.format(div_captcha_page_url=div_captcha_page_url ) - def html_reload_button_div(self): - return '''\n - '''.format(new_pic_button_text=new_pic_button_text) -# default - def javascript_window_onload_default(self): - return ''' - window.onload = function() { - document.getElementById('checkvalue').value = ""; - document.getElementById('count_clicks_per_try').value = "0"; - document.getElementById('submitbutton').disabled = true; - document.getElementById("count_max_retries").value = "0"; - } - ''' - def javascript_freload_default(self): - return ''' - function freload() {{ - setTimeout(function (){{ - // Delay time of 1.5 seconds between clicks on New Picture button will help to delete meanwhile chached Kaptsja's - }}, 1500); // How long do you want the delay to be (in milliseconds)? - location.reload(true); - }} - ''' - def html_reload_button_default(self): - return '''\n - '''.format(new_pic_button_text=new_pic_button_text) - def javascript_fretry_default(self): - return ''' - function fretry() {{ - if ( document.getElementById("count_clicks_per_try").value > "0") {{ - document.getElementById("count_max_retries").value++; - }} - document.querySelector("#message > span").innerHTML = ""; - document.getElementById('checkvalue').value = ""; - document.getElementById('count_clicks_per_try').value = "0"; - document.getElementById('submitbutton').disabled = true; - if (document.getElementById("count_max_retries").value > {max_retries}) {{ - document.querySelector("#message > span").innerHTML = "{too_many_retries_text}"; - document.getElementById('submitbutton').disabled = true; - document.getElementById('retrybutton').disabled = true; - // document.getElementById("myForm").submit(); - return false; - }} - }} - '''.format(max_retries=max_retries, \ - too_many_retries_text=too_many_retries_text) - def javascript_fclick_default(self): - return ''' - function fclick(value_in) {{ - if (document.querySelector("#message > span").innerHTML == "{submitted_text}") - {{ - document.getElementById('submitbutton').disabled = true; - document.getElementById('retrybutton').disabled = true; - return false; - }} - if (document.querySelector("#message > span").innerHTML == "{too_many_retries_text}") - {{ - document.getElementById('submitbutton').disabled = true; - document.getElementById('retrybutton').disabled = true; - return false; - }} - document.getElementById("count_clicks_per_try").value++; - document.getElementById("checkvalue").value = document.getElementById("checkvalue").value.concat(value_in); - if (document.getElementById("count_clicks_per_try").value > {max_clicks_per_try} - 1 ) {{ - document.getElementById('submitbutton').disabled = false; - }} - else - {{ - document.querySelector("#message > span").innerHTML = ""; - document.getElementById('submitbutton').disabled = true; - }} - - if (document.getElementById("count_clicks_per_try").value > {max_clicks_per_try}) {{ - var retcode = fretry(); - if ( retcode != false ) - {{ - document.querySelector("#message > span").innerHTML = "{too_many_clicks_text}"; - document.getElementById('submitbutton').disabled = true; - }} - return false; - }} - }} - '''.format(max_clicks_per_try=number_of_digits+number_of_letters, \ - submitted_text=submitted_text, \ - too_many_clicks_text=too_many_clicks_text, \ - too_many_retries_text=too_many_retries_text ) - def javascript_fsubmit_default(self): - return ''' - function fsubmit() {{ - document.querySelector("#message > span").innerHTML = "{submitted_text}"; - document.getElementById("myForm").submit(); - // by exceeding the maximum values a reload of new picture will be forced (to avoid back page in browser) - document.getElementById("count_max_retries").value = {max_retries} + 1; - document.getElementById("count_clicks_per_try").value = {max_clicks_per_try} + 1; - }} - '''.format(max_retries=max_retries, max_clicks_per_try=number_of_digits+number_of_letters, \ - submitted_text=submitted_text) - - def gen_javascript(self): - if self.mode in (modal_page_url, modal_captcha_page_url): - javascript_window_onload = self.javascript_window_onload_modal() - javascript_freload = self.javascript_freload_modal() - javascript_fretry =self.javascript_fretry_default() - javascript_fclick =self.javascript_fclick_default() - javascript_fsubmit =self.javascript_fsubmit_default() - if self.mode in (div_page_url, div_captcha_page_url): - javascript_window_onload = self.javascript_window_onload_div() - javascript_freload = self.javascript_freload_div() - javascript_fretry =self.javascript_fretry_default() - javascript_fclick =self.javascript_fclick_default() - javascript_fsubmit =self.javascript_fsubmit_default() - if self.mode == captcha_page_url: - javascript_window_onload = self.javascript_window_onload_default() - javascript_freload = self.javascript_freload_default() - javascript_fretry =self.javascript_fretry_default() - javascript_fclick =self.javascript_fclick_default() - javascript_fsubmit =self.javascript_fsubmit_default() - return '''//this file is generated by KaptsjaGenerator.py - {javascript_window_onload} - {javascript_freload} - {javascript_fretry} - {javascript_fclick} - {javascript_fsubmit} - '''.format( javascript_window_onload=javascript_window_onload, \ - javascript_freload=javascript_freload, \ - javascript_fretry=javascript_fretry, \ - javascript_fclick=javascript_fclick, \ - javascript_fsubmit=javascript_fsubmit ) - - def modal_html(self): - return ''' - - - - - Kaptsja - - - - - - -
-

{check_the_box_text}

- -

- - -
-
-
- -
-
-
- - - - - - '''.format(bootstrap_css_file=bootstrap_css_file, \ - bootstrap_js_file=bootstrap_js_file, \ - jquery_js_file=jquery_js_file, \ - modal_captcha_page_url=modal_captcha_page_url, \ - modal_content_width=input_picture_rescale_width + 2, \ - intro_captcha_text=intro_captcha_text, \ - not_a_robot_text=not_a_robot_text, \ - check_the_box_text=check_the_box_text ) - # NOTE: 2 extra pixels are added to align picture nicely in the modal Window - # The max allowed width of picture is set to 598 as max default width for bootstrap modal is 600 pixels incl. 1px border for left and right ) - - def div_html(self): - return ''' - - - - - Kaptsja - - - - -
-

{intro_captcha_text}

-

- - -
-
- - - -
-
- - - '''.format(gen_css_file_url=self.gen_css_file_url, \ - gen_javascript_file_url=self.gen_javascript_file_url, \ - captcha_page_url=captcha_page_url, \ - max_clicks_per_try=number_of_digits+number_of_letters, \ - max_retries=max_retries, \ - div_captcha_page_url=div_captcha_page_url, \ - force_reload=str(time.time()), \ - intro_captcha_text=intro_captcha_text, \ - not_a_robot_text=not_a_robot_text ) - - def captcha_html(self): - if self.mode in (modal_page_url, modal_captcha_page_url): - html_header_css = self.html_header_css_modal() - gen_javascript = self.gen_javascript() - modal_header = self.html_header_modal() - modal_body = self.html_body_modal() - html_reload_button = self.html_reload_button_modal() - modal_footer = self.html_footer_modal() - if self.mode in(div_page_url, div_captcha_page_url): - html_header_css = self.html_header_css() - gen_javascript = self.gen_javascript() - modal_header = "" - modal_body = "" - html_reload_button = self.html_reload_button_div() - modal_footer = "" - if self.mode == captcha_page_url: - html_header_css = self.html_header_css() - gen_javascript = self.gen_javascript() - modal_header = "" - modal_body = "" - html_reload_button = self.html_reload_button_default() - modal_footer = "" - return ''' - - - - - - - -
- {modal_header} - {modal_body} -
- - - - -
- - - {mapareas} - -
{number_of_clicks} - -
- - - - - {exact_nr_circles_submit} -
- {html_reload_button} - - - - -
  -
-
- {modal_footer} -
- - - '''.format(width=self.wpic, height=self.hpic, \ - force_reload=str(time.time()), \ - captcheck=captcha_check_url,\ - site_url=site_url, css_url=css_url, \ - gen_picture=self.generated_unique_picture_file_url, \ - mapareas=''.join(self.map_area_list), \ - controlvalue=self.encodedstring.decode(encoding='UTF-8'), \ - html_header_css=html_header_css, \ - gen_javascript=gen_javascript, \ - html_reload_button=html_reload_button, \ - modal_header=modal_header, \ - modal_body=modal_body, \ - modal_footer=modal_footer, \ - mode=self.mode, reverse=self.reverse, - number_of_clicks=number_of_clicks, - exact_nr_circles_submit=exact_nr_circles_submit, - new_pic_button_text=new_pic_button_text, \ - retry_button_text=retry_button_text, \ - submit_button_text = submit_button_text) - - def write_css_file(self): - # write the css to file, the Kaptsja DIV content HTML file uses this - try: - f = open(self.gen_css_file,"w", encoding="utf-8") - f.write(self.html_header_css()) - f.close() - except Exception as e: - logging.error("Writing file %s failed.\n%s" %(self.gen_css_file, e) ) - return 1 - logging.info(r"Created css file for Kaptsja DIV page: %s:" % self.gen_css_file) - return 0 - - - def write_javascript_file(self): - try: - f = open(self.gen_javascript_file,"w", encoding="utf-8") - f.write(self.gen_javascript()) - f.close() - except Exception as e: - logging.error("Writing file %s failed.\n%s" %(self.gen_javascript_file, e) ) - return 1 - logging.info(r"Created javascript file for Kaptsja DIV page: %s" % self.gen_javascript_file) - return 0 - - def write_modal_page_file(self): - soup = bs(self.modal_html(), features=beautifulsoup_parser) #make BeautifulSoup - prettyHTML = soup.prettify() #prettify the html - try: - f = open(self.gen_modal_page_file,"w", encoding="utf-8") - f.write(prettyHTML) - f.close() - except Exception as e: - logging.error("Writing file %s failed.\n%s" %(self.gen_modal_page_file, e) ) - return 1 - logging.info(r"Created Kaptsja Modal page: %s" % self.gen_modal_page_file) - return 0 - - def write_div_page_file(self): - soup = bs(self.div_html(), features=beautifulsoup_parser) #make BeautifulSoup - prettyHTML = soup.prettify() #prettify the html - try: - f = open(self.gen_div_page_file,"w", encoding="utf-8") - f.write(prettyHTML) - f.close() - except Exception as e: - logging.error("Writing file %s failed.\n%s" %(self.gen_div_page_file, e) ) - return 1 - logging.info(r"Created Kaptsja DIV page: %s" % self.gen_div_page_file) - return 0 - - def write_captcha_html_file(self): - soup = bs(self.captcha_html(), features=beautifulsoup_parser) #make BeautifulSoup - prettyHTML = soup.prettify() #prettify the html - try: - f = open(self.gen_captcha_page_file,"w", encoding="utf-8") - f.write(prettyHTML) - f.close() - except Exception as e: - logging.error("Writing file %s failed.\n%s" %(self.gen_captcha_page_file, e) ) - return 1 - logging.info(r"Create Kaptsja: generated Kaptsja HTML file: %s" % self.gen_captcha_page_file) - return 0 - - logging.info(r"Create Kaptsja: generated Kaptsja HTML file: %s" % self.gen_captcha_page_file) - - def captcha_thread_remove_files(self): - for filename in glob.glob(work_dir +'*'): - generated_filename, generated_file_extension = os.path.splitext(filename) - generated_filename, unique_time_file = generated_filename.rsplit("_",1) - try: - if float(self.unique_time) > float(unique_time_file) + float(time_keep_captcha_set): - try: - os.remove(os.path.normpath(filename)) - except Exception as e: - logging.error("Removing file %s failed.\n%s" %(os.path.normpath(filename), e) ) - except: - pass # probably files with no unique time stamp in directory, those will not be deleted - - def delete_old_files(self): - t = threading.Thread(target=self.captcha_thread_remove_files()) - t.start() - -## functions -def create_captcha(plainstring=None, mode=captcha_page_url): # defaults to mode for Kaptsja page - c = Kaptsja(plainstring=plainstring, mode=mode) - c.create_all_filenames_and_fileurls() - # The models 2 and 3 work with HTML pages , which must be created first before a Kaptsja will be created and loaded - if mode == div_page_url: - c.write_css_file() - c.write_javascript_file() - c.write_div_page_file() - return 0, os.path.normpath(c.gen_div_page_file) - if mode == modal_page_url: - c.write_modal_page_file() - return 0, os.path.normpath(c.gen_modal_page_file) - c.plainstring = c.set_charlist() - if max_captcha_sets > 0: # the time limit to solve a Kaptsja is NOT used for pre-generated Kaptsja's - c.encodedstring = cripto.encryption(c.plainstring) - else: # the time limit to solve a Kaptsja is ONLY used for dynamically generated Kaptsja's - c.encodedstring = cripto.encryption(c.plainstring + "#time:" + str(time.time()) ) - c.create_picturelist() - c.scale_input_picture() - c.create_textzone() - retcode = c.create_circles() - if retcode > 0: - return retcode, None - c.write_captcha_html_file() - if max_captcha_sets < 1: # when Kaptsja Sets are pre-generated , we do not delete these! - c.delete_old_files() - return 0, os.path.normpath(c.gen_captcha_page_file) - -def get_captcha(plainstring=None, mode=captcha_page_url): - try: - captcha_page_list = [] - infile_name = None - infile_ext = None - filter = "%s*.html" # only HTML pages to be served! - if mode == captcha_page_url: - infile_name, infile_ext = os.path.splitext(gen_captcha_page) - elif mode == div_page_url: - infile_name, infile_ext = os.path.splitext(gen_div_page) - elif mode == div_captcha_page_url: - infile_name, infile_ext = os.path.splitext(gen_captcha_page) - elif mode == modal_page_url: - infile_name, infile_ext = os.path.splitext(gen_modal_page) - elif mode == modal_captcha_page_url: - infile_name, infile_ext = os.path.splitext(gen_captcha_page) - filter = filter % infile_name - for filename in glob.glob(work_dir + filter): - captcha_page_list.append(filename) - if len(captcha_page_list) > 0: - served_captcha_file = os.path.normpath(random.choice(captcha_page_list)) - # update the time stamps of the pre-generated files, - # before serving it as it will help to force reloads, - # however when browser caching time of 1 second is not yet exceeded then user must refresh page again by clicking new picture - # Therefore a short delay of 1.5 seconds is programmed search for "setTimeout" in KaptsjaGenerator.py - # Try to use this "dirty trick" when there are still caching issues you cannot solve - #os.utime(os.path.normpath(served_captcha_file)) - return 0, served_captcha_file - else: - logging.error(r"Something went wrong. No Kaptsja sets filtered. Are the Kaptsja sets generated? Run KaptsjaGenerator.py from the command line.") - return 1, None - except Exception as e: - logging.error(r"Something went wrong. Are the Kaptsja sets generated? Run KaptsjaGenerator.py from the command line. Error: %s" % e) - return 1, None - - -def checkcaptcha(checkvalue, controlvalue, reverse): - decoded_string_time = cripto.decryption(controlvalue) - if max_captcha_sets > 0: # the time limit to solve a Kaptsja is NOT used for pre-generated Kaptsja's - decoded_string = decoded_string_time - else: # the time limit to solve a Kaptsja is ONLY used for dynamically generated Kaptsja's - decoded_string, dec_time = decoded_string_time.split("#time:") - if float(dec_time) + float(max_time_to_solve) < time.time(): # When Kaptsja's are not solved within the max_time_to_solve a Failure page will be displayed. - ## print("Captcha expired") - return False - logging.info(r"Check Kaptsja: checkvalue : %s" % checkvalue) - logging.info(r"Check Kaptsja: decoded_string: %s" % decoded_string) - verify_checkvalue = "" - inp_sorted = sorted(decoded_string, reverse=int(reverse)) - for i in range(len(inp_sorted)): - pos = decoded_string.find(str(inp_sorted[i])) - if pos != -1: - verify_checkvalue = verify_checkvalue + str(pos) - logging.info(r"Check Kaptsja: checkvalue : %s" % checkvalue) - logging.info(r"Check Kaptsja: verify_checkvalue: %s" % verify_checkvalue) - - if verify_checkvalue == checkvalue: - return True - else: - return False - -if __name__ == '__main__': - if max_captcha_sets > 0: - print("Please wait till generation of Kaptsja sets has been finished") - if len(glob.glob(work_dir + "*.html")) > max_captcha_sets: # there are allready html files generated - print("Existing Kaptsja sets found. To generate a new set: first delete manually all files in %s" % work_dir) - if len(glob.glob(work_dir + "*.html")) < 1: # there are no html files generated when < 1 - for _ in range(max_captcha_sets): - if active_captcha_model == 1: - create_captcha(plainstring=None, mode=captcha_page_url) - if active_captcha_model == 2: - create_captcha(plainstring=None, mode=modal_page_url) - create_captcha(plainstring=None, mode=modal_captcha_page_url) - if active_captcha_model == 3: - create_captcha(plainstring=None, mode=div_page_url) - create_captcha(plainstring=None, mode=div_captcha_page_url) - print("Finished!") - else: - print("Existing files found (Kaptsja sets?). To generate a new set: first delete manually all files in %s" % work_dir) - - else: - # plainstring = "A123C9" # For test purpose - plainstring = input("Please provide unique characters from the shown set below.\nAdapt Configuration File when needed. A good number is 6 characters.\nLetters: %s\nDigits : %s\n:" %(used_letters, used_digits)) - # alternative checks - # if not re.match("^[0-9]*$", plainstring): only digits - # logging.info(r"Error! Only digits 0-9 allowed!") - # if not re.match("^[A-Za-z0-9]+ $", plainstring): #digits and alphabet only - # print(r"Error! Only digits 0-9 or alphabet A-Z, a-z are allowed!") - # sys.exit(syserrmsg) - for char in plainstring: - if char not in used_letters + used_digits: - print ("Character %s is not in the given set. Retry." %char) - sys.exit(syserrmsg) - if plainstring.count(char) > 1: - print ("Character %s occurs more than once which is not allowed. Retry." %char) - sys.exit(syserrmsg) - # set the mode you want to test - mode=captcha_page_url - c = Kaptsja(plainstring=plainstring, mode=mode) - c.create_all_filenames_and_fileurls() - # The models 2 and 3 work with HTML pages , which must be created first before a Kaptsja will be created and loaded - if mode == div_page_url: - c.write_css_file() - c.write_javascript_file() - c.write_div_page_file() - print ("gen_div_page_file", os.path.normpath(c.gen_div_page_file)) - if mode == modal_page_url: - c.write_modal_page_file() - print ("gen_modal_page_file", os.path.normpath(c.gen_modal_page_file)) - c.plainstring = c.set_charlist() - if max_captcha_sets > 0: # the time limit to solve a Kaptsja is NOT used for pre-generated Kaptsja's - c.encodedstring = cripto.encryption(c.plainstring) - else: # the time limit to solve a Kaptsja is ONLY used for dynamically generated Kaptsja's - c.encodedstring = cripto.encryption(c.plainstring + "#time:" + str(time.time()) ) - c.create_picturelist() - c.scale_input_picture() - c.create_textzone() - retcode = c.create_circles() - if retcode > 0: - print ("Return code method create_circles not 0!") - sys.exit(syserrmsg) - c.write_captcha_html_file() - if max_captcha_sets < 1: # when Kaptsja Sets are pre-generated , we do not delete these! - c.delete_old_files() - # - print("plainstring", c.plainstring) - print("encodedstring", c.encodedstring) - print("charlist", c.charlist) - print("generated_unique_picture_file", c.generated_unique_picture_file) - - ### uncomment this together with the import line for pytesseract at the top to "play" with OCR on the generated pictures - ### some example are provided. In principle a training data set should be created sot the tool can learn to get a better detection result - ### however the generated pictures are very unique, so ti won't be simple - ### - # print("*"*10, "Start OCR detection results - eng") - # print(pytesseract.image_to_string(c.img, lang='eng')) - # print("-"*10, "next result - eng") - # print(pytesseract.image_to_string(c.img, lang='eng', config='--psm 7 --oem 3 --dpi 600')) - # print("-"*10, "next result - eng") - # print(pytesseract.image_to_string(c.img, lang='eng', config='--psm 6 --oem 3 --dpi 300 -c tessedit_char_whitelist=ABCDEFGHIJKLMNOPQUVWXYZ0123456789')) - # print("-"*10, "next result - eng") - # print(pytesseract.image_to_string(c.img, lang='eng', config='--psm 11 --oem 3 -c tessedit_char_whitelist=ABCDEFGHIJKLMNOPQUVWXYZ0123456789') ) - # print("-"*10, "next result - osd") - # print(pytesseract.image_to_string(c.img, lang='osd', config='--psm 11 --oem 3 -c tessedit_char_whitelist=ABCDEFGHIJKLMNOPQUVWXYZ0123456789') ) - # print("*"*10, "End OCR detection results")