cors_simplehttpserver.py

"""
SimpleHTTPServer that adds a

    Access-Control-Allow-Origin: *

header to the response.

Run it like https://docs.python.org/2/library/simplehttpserver.html#module-SimpleHTTPServer
"""

import os


from SimpleHTTPServer import test, SimpleHTTPRequestHandler


class RH(SimpleHTTPRequestHandler):

    def send_head(self):
        path = self.translate_path(self.path)
        f = None
        if os.path.isdir(path):
            if not self.path.endswith('/'):
                # redirect browser - doing basically what apache does
                self.send_response(301)
                self.send_header("Location", self.path + "/")
                self.end_headers()
                return None
            for index in "index.html", "index.htm":
                index = os.path.join(path, index)
                if os.path.exists(index):
                    path = index
                    break
            else:
                return self.list_directory(path)
        ctype = self.guess_type(path)
        try:
            # Always read in binary mode. Opening files in text mode may cause
            # newline translations, making the actual size of the content
            # transmitted *less* than the content-length!
            f = open(path, 'rb')
        except IOError:
            self.send_error(404, "File not found")
            return None
        try:
            self.send_response(200)
            self.send_header("Content-type", ctype)
            fs = os.fstat(f.fileno())
            self.send_header("Content-Length", str(fs[6]))
            self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
            self.send_header("Access-Control-Allow-Origin", "*")
            self.end_headers()
            return f
        except:
            f.close()
            raise


test(HandlerClass=RH)