kopia lustrzana https://github.com/J-Rios/TLG_JoinCaptchaBot
16:9 captchas with horizontal blak margins and random mono-color/multi-color background generation.
J-Rios
rodzic
26c77033b1
commit
ba7500273e
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@ -3,3 +3,4 @@ sources/__pycache__/
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sources/data/
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*.pyc
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*.log
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test.py
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@ -1,5 +1,5 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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'''
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Script:
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constants.py
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@ -10,7 +10,7 @@ Author:
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Creation date:
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09/09/2018
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Last modified date:
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12/09/2018
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15/09/2018
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Version:
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1.0.0
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'''
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@ -53,7 +53,10 @@ TEXT = {
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'- I am a Bot that send a captcha for each new user who join a group, and kick any ' \
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'of them that can\'t solve the captcha in a specified time.\n' \
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'\n' \
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'- You need to provide me Administration rights for kick users.\n' \
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'- You need to provide me Administration rights for kick users and remove messages.\n' \
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'\n' \
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'- To preserve a clean group, I auto-remove all messages related to me when captcha ' \
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' is solved or the user was kicked.\n' \
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'\n' \
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'- The time that new users have to solve the captcha is 5 minutes, but it can be ' \
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'configured using the command /time.\n' \
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@ -65,9 +68,6 @@ TEXT = {
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'\n' \
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'- You can change the language that I speak, using the command /language.\n' \
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'\n' \
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'- To preserve a clean group, I auto-remove all messages related to me, after ' \
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'5 minutes.\n' \
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'\n' \
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'- Check /commands for get a list of all avaliable commands, and a short ' \
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'description of all of them.',
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@ -186,7 +186,11 @@ TEXT = {
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'- Soy un Bot que envia un captcha a cada nuevo usuario que se une al grupo, y ' \
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'kickeo a los que no resuelvan el captcha en un tiempo determinado.\n' \
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'\n' \
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'- Debes darme permisos de Administración rights para suspender (banear) usuarios.\n' \
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'- Debes darme permisos de Administración para suspender (banear) usuarios y ' \
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' eliminar mensajes.\n' \
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'\n' \
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'- Para mantener limpio el grupo, elimino aquellos mensajes que tengan relación ' \
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'conmigo en cuanto el captcha haya sido resuelto o el usuario haya sido kickeado.\n' \
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'\n' \
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'- El tiempo que disponen los usuarios para resolver el captcha son 5 minutos, pero ' \
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'este tiempo puede ser cambiado mediante el comando /time.\n' \
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@ -199,9 +203,6 @@ TEXT = {
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'\n' \
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'- Puedes cambiar el idioma en el que hablo mediante el comando /language.\n' \
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'\n' \
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'- Para mantener limpio el grupo, elimino aquellos mensajes que tengan relación ' \
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'conmigo, pasados 5 minutos.\n' \
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'\n' \
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'- Echa un vistazo al comando /commands para ver una lista con todos los comandos ' \
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'disponibles y una breve descripción de cada uno de ellos.',
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@ -1,4 +1,5 @@
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# coding: utf-8
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# -*- coding: utf-8 -*-
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"""
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Script:
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img_captcha_gen.py
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@ -9,9 +10,9 @@ Author:
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Creation date:
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08/09/2017
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Last modified date:
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08/09/2017
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12/09/2017
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Version:
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1.0.0
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1.0.2
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"""
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####################################################################################################
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@ -34,6 +35,15 @@ l_fonts = ["FreeMono.ttf", "FreeMonoBold.ttf", "FreeMonoOblique.ttf", "FreeSans.
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# Captcha with noise (turn it on add delay)
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ADD_NOISE = False
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# Captcha 16:9 resolution sizes (captcha_size_num -> 0 to 12)
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CAPTCHA_SIZE = [(256, 144), (426, 240), (640, 360), (768, 432), (800, 450), (848, 480), \
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(960, 540), (1024, 576), (1152, 648), (1280, 720), (1366, 768), (1600, 900), \
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(1920, 1080)]
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# Font sizes range for each size
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FONT_SIZE_RANGE = [(30, 45), (35, 80), (75, 125), (80, 140), (85, 150), (90, 165), (100, 175), \
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(110, 185), (125, 195), (135, 210), (150, 230), (165, 250), (180, 290)]
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####################################################################################################
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# Image Captcha Generator Class #
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@ -43,9 +53,26 @@ class CaptchaGenerator:
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Just and image captcha generator class.
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"""
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def __init__(self, captcha_size=160):
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def __init__(self, captcha_size_num=2):
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"""Constructor"""
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self.one_char_image_size = captcha_size
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# Limit provided captcha size num
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if captcha_size_num < 0:
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captcha_size_num = 0
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elif captcha_size_num >= len(CAPTCHA_SIZE):
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captcha_size_num = len(CAPTCHA_SIZE) - 1
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# Get captcha size
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self.captcha_size = CAPTCHA_SIZE[captcha_size_num]
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# Determine one char image height
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fourth_size = self.captcha_size[0] / 4
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if fourth_size - int(fourth_size) <= 0.5:
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fourth_size = int(fourth_size)
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else:
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fourth_size = int(fourth_size) + 1
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self.one_char_image_size = (fourth_size, fourth_size)
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# Determine font size according to image size
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font_size_min = FONT_SIZE_RANGE[captcha_size_num][0]
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font_size_max = FONT_SIZE_RANGE[captcha_size_num][1]
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self.font_size_range = (font_size_min, font_size_max)
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def gen_rand_color(self, min_val=0, max_val=255):
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@ -255,14 +282,15 @@ class CaptchaGenerator:
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#character = choice(characters_availables) # For all chars support
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rand_color = self.gen_rand_custom_contrast_color(background_color)
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character_color = rand_color["color"]
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character_pos = (50, randint(0, 50))
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character_pos = (int(image_size[0]/4), randint(0, int(image_size[0]/4)))
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# Pick a random font with a random size, from the provided list
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rand_font_path = self.gen_rand_font(FONTS_PATH, l_fonts)
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character_font = self.gen_rand_size_font(rand_font_path, 70, 130)
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character_font = self.gen_rand_size_font(rand_font_path, self.font_size_range[0], \
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self.font_size_range[1])
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# Create an image of specified size, background color and character
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image = self.create_image_char(image_size, background_color["color"], character, \
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character_color, character_pos, character_font)
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# Random rotate the created image
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# Random rotate the created image between -55º and +55º
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image = image.rotate(randint(-55, 55), fillcolor=background_color["color"])
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# Add some random lines to image
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for _ in range(0, 2):
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@ -275,7 +303,7 @@ class CaptchaGenerator:
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return generated_captcha
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def gen_captcha_image(self, multicolor=False):
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def gen_captcha_image(self, multicolor=False, margin=True):
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'''Generate an image captcha.'''
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# Generate a RGB background color if the multicolor is disabled
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if not multicolor:
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@ -301,7 +329,13 @@ class CaptchaGenerator:
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self.add_rand_horizontal_line_to_image(image, 5)
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# Add some random circles to the image
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for _ in range(0, 10):
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self.add_rand_circle_to_image(image, 10, 20)
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self.add_rand_circle_to_image(image, int(0.05*self.one_char_image_size[0]), \
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int(0.15*self.one_char_image_size[1]))
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# Add horizontal margins
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if margin:
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new_image = Image.new('RGBA', self.captcha_size, "rgb(0, 0, 0)")
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new_image.paste(image, (0, int((self.captcha_size[1]/2) - (image.height/2))))
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image = new_image
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# Return generated image captcha
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generated_captcha = {"image": image, "characters": image_characters}
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return generated_captcha
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@ -1,5 +1,6 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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'''
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Script:
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join_captcha_bot.py
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@ -12,7 +13,7 @@ Author:
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Creation date:
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09/09/2018
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Last modified date:
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12/09/2018
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15/09/2018
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Version:
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1.0.0
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'''
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@ -48,8 +49,8 @@ to_delete_join_messages_list = []
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users_join_messages_list = []
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new_users_list = []
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# Create Captcha Generator object of specified size
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CaptchaGen = CaptchaGenerator((160, 160))
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# Create Captcha Generator object of specified size (2 -> 640x360)
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CaptchaGen = CaptchaGenerator(2)
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####################################################################################################
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@ -106,8 +107,8 @@ def create_image_captcha(img_file_name):
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# If the captcha file exists remove it
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if path.exists(image_file_path):
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remove(image_file_path)
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# Generate and save the captcha
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captcha = CaptchaGen.gen_captcha_image(True)
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# Generate and save the captcha with a random captcha background mono-color or multi-color
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captcha = CaptchaGen.gen_captcha_image(multicolor=bool(randint(0, 1)))
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image = captcha["image"]
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image.save(image_file_path, "png")
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# Return a dictionary with captcha file path and captcha resolve characters
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@ -359,7 +360,6 @@ def msg_nocmd(bot, update):
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# Send captcha solved message and program user and bot messages
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# selfdestruct in 1min
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bot_msg = TEXT[lang]["CAPTHA_SOLVED"].format(new_user["user_name"])
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tlg_msg_to_selfdestruct_in(update.message, 1)
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tlg_send_selfdestruct_msg_in(bot, chat_id, bot_msg, 1)
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new_users_list.remove(new_user)
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