def do_compute(self): # step 1, get information from web source bell_url = TextHelper.find_text_between_tag(self.web_source, '<a href="', '">') bell_url = WebHelper.join_url(self.url, bell_url) print "Find some url: %s" % bell_url zigzag_jpg = TextHelper.find_text_between_tag(self.web_source, '<img src="', '"> <!--') zigzag_jpg = WebHelper.join_url(self.url, zigzag_jpg) print "Find a picture: %s" % zigzag_jpg gif_prompt = TextHelper.find_text_between_tag(self.web_source, 'did you say ', '? -->') gif_url = WebHelper.change_suffix_url(zigzag_jpg, gif_prompt) print "Get a gif picture: %s" % gif_url # step 2, deal with gif img = ImageHelper.create_image_from_web(gif_url, self.user, self.password) img_content = img.tobytes() img_plt = img.palette.getdata()[1][::3] trans = string.maketrans("".join([chr(i) for i in range(256)]), img_plt) img_tran = img_content.translate(trans) diff = ["", ""] img = Image.new("1", img.size, 0) for i in range(1, len(img_content)): if img_content[i] != img_tran[i - 1]: diff[0] += img_content[i] diff[1] += img_tran[i - 1] img.putpixel(((i - 1) % img.size[0], (i - 1) / img.size[0]), 1) img.show( ) # two words shows in picture: 'not', 'word', between is an key text = bz2.decompress(diff[0]) auth = set() for i in text.split(): if not keyword.iskeyword(i): auth.add(i) # print repeat, switch, ../ring/bell auth = list(auth) print auth for item in auth: if 'html' in item: next_level_url = WebHelper.join_url(self.url, item) auth.remove(item) try: content_ignore = WebHelper.get_auth_web_source( next_level_url, auth[0], auth[1]) self.result.set_user_password(auth[0], auth[1]) print "Set next level user, password = (%s, %s)" % (auth[0], auth[1]) except HTTPError: self.result.set_user_password(auth[1], auth[0]) print "Set next level user, password = (%s, %s)" % (auth[1], auth[0]) # step 3, set next level url self.set_next_level_url(next_level_url)
def do_compute(self): # step 1, get information from web source print TextHelper.find_text_between_tag(self.web_source, '<title>', '</title>') print "words above indicate us to explore the maze from top to bottom" maze_prompt = TextHelper.find_text_between_tag(self.web_source, '<img src="', '">') maze_img = ImageHelper.create_image_from_web( WebHelper.join_url(self.url, maze_prompt), self.user, self.password) width, height = maze_img.size print "Find entrance in the top" for i in range(width): if maze_img.getpixel((i, 0))[2] == 0: entrance = (i, 0) print "(width=%d, height=0), pixel=(%s)" % ( i, maze_img.getpixel(entrance)) break print "Find export at the bottom" for i in range(width): if maze_img.getpixel((i, height - 1))[2] == 0: export = (i, height - 1) print "(width=%d, height=%d), pixel=(%s)" % ( i, height - 1, maze_img.getpixel(export)) # step 2, get out of the maze queue = T24.go_maze(maze_img, entrance, export) # step 3, get information from path zip_file = 'maze.zip' open('maze.zip', 'wb').write(''.join( [chr(maze_img.getpixel(pos[0])[0]) for pos in queue[1::2]])) FileHelper.unzip_to_directory(zip_file, '.') # step 4, get prompt information from picture maze_jpg = 'maze.jpg' ImageHelper.show_from_file(maze_jpg) prompt_words = 'lake' print "Get %s in the picture" % prompt_words self.set_prompt(prompt_words) # step 5, clean unused files FileHelper.remove_file(maze_jpg) FileHelper.remove_file(zip_file)
def do_compute(self): # step 1, get information from web source png_url = TextHelper.find_text_between_tag(self.web_source, '<img src="', '" border="') png_url = WebHelper.join_url(self.url, png_url) print "Get png from web url: %s" % png_url bell_png = ImageHelper.create_image_from_web(png_url, self.user, self.password) green = bell_png.split()[1] message = "" for a, b in T28.paired(green.getdata()): diff = abs(a - b) if diff != 42: message += chr(diff) print 'Prompt Message: %s' % message # whodunnit().split()[0] ? # step 2, set prompt prompt = self.whodunnit().split()[0] self.set_prompt(prompt.lower())
def do_compute(self): # step 1. get information from web source print TextHelper.find_text_between_tag(self.web_source, '<!--\n', '\n-->') beer_url = TextHelper.find_text_between_tag(self.web_source, '<img src="', '" border="0"') beer_url = WebHelper.join_url(self.url, beer_url) print beer_url beer_url = WebHelper.url_add(beer_url) beer_url = WebHelper.change_suffix_url(beer_url, 'png') # step 2. try out this picture beer_img = ImageHelper.create_image_from_web(beer_url, self.user, self.password) data = list(beer_img.getdata()) local_dir = 'img_data' FileHelper.mkdir(local_dir) print len(data) count = 0 while len(data) > 0: if self.is_int_sqrt(len(data)) and len(data) > 0: count += 1 size = int(math.sqrt(len(data))) print "data length = %i, sqrt value = %i" % (len(data), size) new_img = Image.new('RGB', (size, size)) new_img.putdata(data) new_img.save(os.path.join(local_dir, 'img_%i.png' % count)) max_value = max(data) data = [x for x in data if x != max_value] # step 3, Get hint from these pictures print "check png under %s, you will find many characters!" % local_dir prompt = 'gremlins' print "but only characters %s are in square" % str(list(prompt)) self.set_prompt(prompt) FileHelper.remove_folder(local_dir)
def do_compute(self): # step 1, get information from web source question = TextHelper.find_text_between_tag(self.web_source, '<title>', '</title>') print "The title asked us: %s" % question answer = ("kohsamui", "thailand") self.result.set_user_password(answer[0], answer[1]) print "Set next level user, password = (%s, %s)" % answer print "Search google by this photograph, you can find the place: %s, %s" % answer prompt = TextHelper.find_text_between_tag(self.web_source, '<a href="', '"><img src') new_url = WebHelper.join_url(self.url, prompt) print "Get prompt jpg url: %s" % new_url new_web_content = WebHelper.get_auth_web_source2(new_url, answer) print TextHelper.find_text_between_tag(new_web_content, '<font color="gold">', '</font>') mandelbrot_gif = TextHelper.find_text_between_tag( new_web_content, '<img src="', '" border="0">') mandelbrot_gif = WebHelper.join_url(new_url, mandelbrot_gif) print "Get new gif picture: %s" % mandelbrot_gif print TextHelper.find_text_between_tag(new_web_content, 'border="0">\n', '\n </img>') # step 2, parse mandelbrot gif left, top, width, height, iteration = 0.34, 0.57, 0.036, 0.027, 128 img = ImageHelper.create_image_from_web(mandelbrot_gif, answer[0], answer[1]) print "Get image size: %s, %s" % img.size w, h = img.size x_step, y_step = width / w, height / h result = [] for y in range(h - 1, -1, -1): for x in range(w): c = complex(left + x * x_step, top + y * y_step) z = 0 + 0j for i in range(iteration): z = z * z + c if abs(z) > 2: break result.append(i) new_img = img.copy() new_img.putdata(result) new_img.show() # step 3, show diff about these two picture diff = [(a - b) for a, b in zip(img.getdata(), new_img.getdata()) if a != b] print len(diff) print set(diff) plot = Image.new('L', (23, 73)) plot.putdata([(i < 16) and 255 or 0 for i in diff]) plot.resize((230, 730)).show() prompt = 'arecibo' print "Oh, God dammit! Who knows this is a message humanity send to the starts from %s telescope" % prompt # step 4, set next challenge url next_level_url = WebHelper.join_url(mandelbrot_gif, prompt) next_level_url = WebHelper.change_suffix_url(next_level_url, 'html') self.set_next_level_url(next_level_url)