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  1.  
  2. #!/usr/bin/env python3
  3. import requests
  4. import sys
  5. import re
  6. from bs4 import BeautifulSoup
  7. import mimetypes
  8. import os
  9. from libsixel.encoder import Encoder
  11. URL = "https://www.google.com/recaptcha/api/fallback?k=6Ldp2bsSAAAAAAJ5uyx_lx34lJeEpTLVkP5k04qc"
  12. s = requests.Session()
  13. s.headers[
  14. "User-Agent"
  15. ] = "Mozilla/5.0 (X11; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
  16. s.headers["Referer"] = "https://boards.4chan.org/"
  18. r = s.get(URL)
  19. board = input("Enter board: ")
  20. thread = input("Enter thread: ")
  21. print("Enter reply (CTRL+D/EOF when finished): ")
  22. reply = sys.stdin.read()
  23. file = input("Upload file? [Y/N]: ")[0].lower()
  24. soup = BeautifulSoup(r.content, "html.parser")
  25. msg = soup.select(".fbc-imageselect-message-text > div")
  26. print("".join(msg[-1].text))
  27. img = "https://www.google.com%s" % soup.select(".fbc-imageselect-payload")[0]["src"]
  28. c = soup.select(".fbc-imageselect-payload")[0]["src"].split("=")[1].split("&")[-2]
  29. encoder = Encoder()
  30. with open("captcha.png", "wb") as cap:
  31. cap.write(s.get(img).content)
  32. encoder.encode("captcha.png")
  33. os.remove("captcha.png")
  34. data = input("Selection: ")
  35. data = re.findall("\d", data)
  36. data = [int(d) - 1 for d in data]
  37. r = s.post(URL, data={"c": c, "response": data})
  38. soup = BeautifulSoup(r.content, "html.parser")
  39. c = soup.select(".fbc-verification-token > textarea")[0].get_text()
  40. try:
  41. r = s.get("https://boards.4chan.org/%s/thread/%s" % (board, thread))
  42. soup = BeautifulSoup(r.content, "html.parser")
  43. size = soup.select("script")[0].contents[0].split(",")[4].split("=")[-1].strip()
  44. data = {
  45. "MAX_FILE_SIZE": size,
  46. "mode": "regist",
  47. "pwd": "",
  48. "resto": thread,
  49. "name": "",
  50. "email": "",
  51. "com": reply,
  52. "g-recaptcha-response": c if c is not None else "",
  53. }
  54. if file == "y":
  55. path = input("Path to file: ")
  56. r = s.post(
  57. "https://sys.4chan.org/%s/post" % board,
  58. data=data,
  59. files={
  60. "upfile": (
  61. os.path.basename(path),
  62. open(path, "rb"),
  63. mimetypes.guess_type(path, strict=False)[0],
  64. )
  65. },
  66. )
  67. else:
  68. r = s.post(
  69. "https://sys.4chan.org/%s/post" % board,
  70. data=data,
  71. files={"upfile": ("", "", "")},
  72. )
  73. except:
  74. print("You failed the captcha")
  75.  
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