mirror of
https://github.com/e1ven/Robohash.git
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149 lines
4.8 KiB
Python
Executable File
149 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2011 Pluric
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import tornado.httpserver
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import tornado.ioloop
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import tornado.options
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import tornado.web
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import tornado.escape
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import socket
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import re
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import robohash
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import os
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import pprint
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import Image
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import hashlib
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import urllib
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import random
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try:
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from hashlib import md5 as md5_func
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except ImportError:
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from md5 import new as md5_func
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class Robohash(object):
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def __init__(self,string):
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hash = hashlib.sha512()
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hash.update(string)
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self.hexdigest = hash.hexdigest()
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self.hasharray = []
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self.iter = 1
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def createHashes(self,count):
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#Create and store a series of hash-values
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#Basically, split up a hash (SHA/md5/etc) into X parts
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for i in range(0,count):
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#Get 1/numblocks of the hash
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blocksize = (len(self.hexdigest) / count)
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currentstart = (1 + i) * blocksize - blocksize
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currentend = (1 +i) * blocksize
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self.hasharray.append(int(self.hexdigest[currentstart:currentend],16))
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def dirCount(self,path):
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#return the count of just the directories beneath me.
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return sum([len(dirs) for (root, dirs, files) in os.walk(path)])
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def getHashList(self,path):
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#Each iteration, if we hit a directory, recurse
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#If not, choose the appropriate file, given the hashes, stored above
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completelist = []
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locallist = []
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for ls in os.listdir(path):
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if not ls.startswith("."):
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if os.path.isdir(path + "/" + ls):
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subfiles = self.getHashList(path + "/" + ls)
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if subfiles is not None:
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completelist = completelist + subfiles
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else:
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locallist.append( path + "/" + ls)
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if len(locallist) > 0:
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elementchoice = self.hasharray[self.iter] % len(locallist)
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luckyelement = locallist[elementchoice]
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locallist = []
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locallist.append(luckyelement)
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self.iter += 1
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completelist = completelist + locallist
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return completelist
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class MainHandler(tornado.web.RequestHandler):
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def get(self):
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ip = self.request.remote_ip
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self.write(self.render_string('templates/root.html',ip=ip))
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class ImgHandler(tornado.web.RequestHandler):
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def get(self,string=None):
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colors = ['blue','brown','green','grey','orange','pink','purple','red','white','yellow']
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sets = ['set1','set2','set3']
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self.content_type = 'application/json'
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#Create a hash for the string as given
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if string is None:
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string = self.request.remote_ip
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string = urllib.quote_plus(string)
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r = Robohash(string)
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#Create 10 hashes. This should be long enough for the current crop of variables.
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#This is probably not insecure, sicne we'd be modding anyway. This just spreads it out more.
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r.createHashes(10)
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#Now, customize the request if possible.
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client_color = ""
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if "color" in self.request.arguments:
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if self.get_argument("color") in colors:
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client_set = tornado.escape.xhtml_escape(self.get_argument("color"))
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#If they don't specify a color, use hashvalue
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if client_color == "":
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client_set = colors[r.hasharray[0] % len(colors) ]
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if "set" in self.request.arguments:
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if self.get_argument("set") in sets:
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client_set = tornado.escape.xhtml_escape(self.get_argument("set"))
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#Set one is distributed
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if client_set == 'set1':
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client_set = colors[r.hasharray[0] % len(colors) ]
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#Change to a usuable format
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if string.endswith(('.png','.gif','.jpg','bmp','im','jpeg','pcx','ppm','tiff','xbm')):
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ext = string[string.rfind('.') +1 :len(string)]
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if ext == '.jpg':
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ext = '.jpeg'
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else:
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ext = "png"
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self.set_header("Content-Type", "image/" + ext)
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hashlist = r.getHashList(client_set)
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hashlist.sort()
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robohash = Image.open(hashlist[0])
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for png in hashlist:
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img = Image.open(png)
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robohash.paste(img,(0,0),img)
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if ext == 'bmp':
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#Flatten bmps
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r, g, b, a = robohash.split()
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robohash = Image.merge("RGB", (r, g, b))
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robohash.save(self,format=ext)
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application = tornado.web.Application([
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(r"/static/(.*)", tornado.web.StaticFileHandler, {"path": os.path.join(os.path.dirname(__file__),
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"static/")}),
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(r"/", MainHandler),
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(r"/(.*)", ImgHandler),
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])
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if __name__ == "__main__":
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application.listen(8080)
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tornado.ioloop.IOLoop.instance().start()
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