From fbe7dd9b134db86eddc3fede68622b4f670e20f7 Mon Sep 17 00:00:00 2001
From: Ringo Watanabe <flandre@chiru.no>
Date: Thu, 2 Aug 2018 04:48:16 +0100
Subject: [PATCH] Initial commit

---
 rtbw.py | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 rtbw.py

diff --git a/rtbw.py b/rtbw.py
new file mode 100644
index 0000000..7f8b450
--- /dev/null
+++ b/rtbw.py
@@ -0,0 +1,151 @@
+import sys
+import os
+import os.path
+import traceback
+import json
+import socket
+import time
+import datetime
+import json
+import re
+import time
+import threading
+import binascii
+from cffi import FFI
+import select
+from subprocess import Popen, PIPE
+import argparse
+try:
+    import ssl
+except ImportError:
+    print ("error: no ssl support")
+import requests
+
+def __pmap():
+	return [
+		("com", "c")
+	]
+
+def __encodepost(post):
+	pass #TODO: __pmap comp and lzma comp
+
+class StatBuffer:
+	SLV_LOW = 0 #Keep everything
+	SLV_NOTEXT = 1 #Remove subject & comment
+	SLV_NOUI = 2 #Remove all user inputed information (sub, com, filename)
+	SLV_HIGH = 0xFF #Keep only post number	
+
+	def __init__():
+		pass
+	def _encode(post, striplv):
+		if(striplv == StatBuffer.SLV_LOW):
+			return __encodepost(post)
+		elif(striplv == StatBuffer.SLV_NOTEXT):
+			if "com" in post:
+				del post["com"]
+			if "sub" in post:
+				del post["sub"]
+			return __encodepost(post)
+		elif(striplv == StatBuffer.SLV_NOUI):
+			if "com" in post:
+				del post["com"]
+			if "sub" in post:
+				del post["sub"]
+			#TODO: Remove image stuff
+			return __encodepost(post)
+		elif(striplv == StatBuffer.SLV_HIGH):
+			return post["no"]
+		else: return None
+	def write():
+		raise NotImplementedError("Abstract method not implemented")
+	def read():
+		raise NotImplementedError("Abstract method not implemented") 
+
+def parse_post(post):
+	res = dict()
+	if(not "resto" in post or post["resto"] == 0): #is thread OP
+		if("sticky" in post):
+			return None
+	else:
+		res["thread"] = post["resto"]
+	res["no"] = post["no"]	
+	if("com" in post):
+		res["com"] = post["com"]
+	if("sub" in post):
+		res["sub"] = post["sub"]
+	res["time"] = post["now"]
+
+	if("name" in post and post["name"] != "Anonymous"):
+		res["name"] = post["name"]
+	if("trip" in post):
+		res["trip"] = post["trip"]
+
+	if("country" in post):
+		res["country"] = post["country"]
+
+	if "id" in post:
+		res["id"] = post["id"]	
+
+	if "filename" in post:
+		res["filename"] = post["filename"] + post["ext"]
+		res["image"] = post["md5"]
+		res["realFilename"] = post["tim"]
+		res["fileSize"] = post["fsize"]
+	
+	return res
+
+def parse_page(api, board, page, last):
+	dta = requests.get((api % board)+page+".json")
+	posts = list()	
+	page = dta.json()
+	for thread in page["threads"]:
+		post =  thread["posts"][0]
+		if post["no"] <= last:
+			continue
+		else:
+			fullThread = requests.get((api % board)+"thread/"+str(post["no"])+".json").json()
+			for fPost in fullThread["posts"]:
+				np = parse_post(fPost)
+				if(np!=None):
+					posts.append(np)
+				
+	return posts
+
+def pnomax(last, posts):
+	mx=last
+	for post in posts:
+		if(post["no"]>mx): mx = post["no"] #we need this because of sage
+	return mx
+
+def log(stre):
+	print (stre)
+
+def buffer_write(buf, posts):
+	#TODO: Write buffer stuff
+	pass
+
+parser = argparse.ArgumentParser(description="Real-time 4chan board watcher.")
+parser.add_argument("board", help="Board to spider")
+parser.add_argument("timeout", help="Time between cycles")
+parser.add_argument("--buffer", help="Save buffer filename (default: use in memory buffer)", default=None)
+parser.add_argument("--daemon", action="store_true", help="Run as daemon")
+parser.add_argument("--api", help="Base URL of 4chan JSON API", default="http://api.4chan.org/%s/")
+
+args = parser.parse_args()
+last=0
+
+if args.buffer !=None:
+	pass #TODO: Init buffer stuff
+
+while True:
+	log("Reading threads for %s from %d" % (args.board, last))
+	posts = parse_page(args.api, args.board, "1", last)
+	last = pnomax(last, posts)
+
+	if(len(posts)>0):
+		log("%d new posts since last cycle" % len(posts))
+		buffer_write(posts)
+	else:
+		log("Nothing new")
+	
+	time.sleep(int(args.timeout))