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# testserver: servers for rawdog's test suite.
# Copyright 2013, 2016 Adam Sampson <ats@offog.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import BaseHTTPServer
import SimpleHTTPServer
import SocketServer
import base64
import cStringIO
import gzip
import hashlib
import os
import re
import sys
import threading
import time
class TimeoutRequestHandler(SocketServer.BaseRequestHandler):
"""Request handler for a server that just does nothing for a few
seconds, then disconnects. This is used for testing timeout handling."""
def handle(self):
time.sleep(5)
class TimeoutServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
"""Timeout server for rawdog's test suite."""
pass
class HTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
"""HTTP request handler for rawdog's test suite."""
# do_GET/do_HEAD are copied from SimpleHTTPServer because send_head isn't
# part of the API.
def do_GET(self):
f = self.send_head()
if f:
self.copyfile(f, self.wfile)
f.close()
def do_HEAD(self):
f = self.send_head()
if f:
f.close()
def send_head(self):
# Look for lines of the form "/oldpath /newpath" in .rewrites.
try:
f = open(os.path.join(self.server.files_dir, ".rewrites"))
for line in f.readlines():
(old, new) = line.split(None, 1)
if self.path == old:
self.path = new
f.close()
except IOError:
pass
m = re.match(r'^/auth-([^/-]+)-([^/]+)(/.*)$', self.path)
if m:
# Require basic authentication.
auth = "Basic " + base64.b64encode(m.group(1) + ":" + m.group(2))
if self.headers.get("Authorization") != auth:
self.send_response(401)
self.end_headers()
return None
self.path = m.group(3)
m = re.match(r'^/digest-([^/-]+)-([^/]+)(/.*)$', self.path)
if m:
# Require digest authentication. (Not a good implementation!)
realm = "rawdog test server"
nonce = "0123456789abcdef"
a1 = m.group(1) + ":" + realm + ":" + m.group(2)
a2 = "GET:" + self.path
def h(s):
return hashlib.md5(s).hexdigest()
response = h(h(a1) + ":" + nonce + ":" + h(a2))
mr = re.search(r'response="([^"]*)"',
self.headers.get("Authorization", ""))
if mr is None or mr.group(1) != response:
self.send_response(401)
self.send_header("WWW-Authenticate",
'Digest realm="%s", nonce="%s"'
% (realm, nonce))
self.end_headers()
return None
self.path = m.group(3)
m = re.match(r'^/(\d\d\d)(/.*)?$', self.path)
if m:
# Request for a particular response code.
code = int(m.group(1))
dest = m.group(2)
self.send_response(code)
if dest:
if dest.startswith("/="):
# Provide an exact value for Location (to simulate an
# invalid response).
dest = dest[2:]
else:
dest = self.server.base_url + dest
self.send_header("Location", dest)
self.end_headers()
return None
encoding = None
m = re.match(r'^/(gzip)(/.*)$', self.path)
if m:
# Request for a content encoding.
encoding = m.group(1)
self.path = m.group(2)
m = re.match(r'^/([^/]+)$', self.path)
if m:
# Request for a file.
filename = os.path.join(self.server.files_dir, m.group(1))
try:
f = open(filename, "rb")
except IOError:
self.send_response(404)
self.end_headers()
return None
# Use the SHA1 hash as an ETag.
etag = '"' + hashlib.sha1(f.read()).hexdigest() + '"'
f.seek(0)
# Oversimplistic, but matches what feedparser sends.
if self.headers.get("If-None-Match", "") == etag:
self.send_response(304)
self.end_headers()
return None
size = os.fstat(f.fileno()).st_size
mime_type = "text/plain"
if filename.endswith(".rss") or filename.endswith(".rss2"):
mime_type = "application/rss+xml"
elif filename.endswith(".rdf"):
mime_type = "application/rdf+xml"
elif filename.endswith(".atom"):
mime_type = "application/atom+xml"
elif filename.endswith(".html"):
mime_type = "text/html"
self.send_response(200)
if encoding:
self.send_header("Content-Encoding", encoding)
if encoding == "gzip":
data = f.read()
f.close()
f = cStringIO.StringIO()
g = gzip.GzipFile(fileobj=f, mode="wb")
g.write(data)
g.close()
size = f.tell()
f.seek(0)
self.send_header("Content-Length", size)
self.send_header("Content-Type", mime_type)
self.send_header("ETag", etag)
self.end_headers()
return f
# A request we can't handle.
self.send_response(500)
self.end_headers()
return None
def log_message(self, fmt, *args):
f = open(self.server.files_dir + "/.log", "a")
f.write(fmt % args + "\n")
f.close()
class HTTPServer(BaseHTTPServer.HTTPServer):
"""HTTP server for rawdog's test suite."""
def __init__(self, base_url, files_dir, *args, **kwargs):
self.base_url = base_url
self.files_dir = files_dir
BaseHTTPServer.HTTPServer.__init__(self, *args, **kwargs)
def main(args):
if len(args) < 3:
print "Usage: testserver.py HOSTNAME TIMEOUT-PORT HTTP-PORT FILES-DIR"
sys.exit(1)
hostname = args[0]
timeout_port = int(args[1])
http_port = int(args[2])
files_dir = args[3]
timeoutd = TimeoutServer((hostname, timeout_port), TimeoutRequestHandler)
t = threading.Thread(target=timeoutd.serve_forever)
t.daemon = True
t.start()
base_url = "http://" + hostname + ":" + str(http_port)
httpd = HTTPServer(base_url, files_dir, (hostname, http_port), HTTPRequestHandler)
httpd.serve_forever()
if __name__ == "__main__":
main(sys.argv[1:])
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