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import urllib, threading, re, logging
from netlib import tcp, http, odict, wsgi
import version, app, rparse
class PathodError(Exception): pass
class PathodHandler(tcp.BaseHandler):
def handle(self):
if self.server.ssloptions:
self.convert_to_ssl(
self.server.ssloptions["certfile"],
self.server.ssloptions["keyfile"],
)
line = self.rfile.readline()
if line == "\r\n" or line == "\n": # Possible leftover from previous message
line = self.rfile.readline()
if line == "":
return None
method, path, httpversion = http.parse_init_http(line)
headers = odict.ODictCaseless(http.read_headers(self.rfile))
content = http.read_http_body_request(
self.rfile, self.wfile, headers, httpversion, None
)
crafted = None
for i in self.server.anchors:
if i[0].match(path):
crafted = i[1]
if not crafted and path.startswith(self.server.prefix):
spec = urllib.unquote(path)[len(self.server.prefix):]
try:
crafted = rparse.parse_response(self.server.request_settings, spec)
except rparse.ParseException, v:
crafted = rparse.InternalResponse(
800,
"Error parsing response spec: %s\n"%v.msg + v.marked()
)
if crafted:
ret = crafted.serve(self.wfile)
if ret["disconnect"]:
self.finish()
ret["request"] = dict(
path = path,
method = method,
headers = headers.lst,
#remote_address = self.request.connection.address,
#full_url = self.request.full_url(),
#query = self.request.query,
httpversion = httpversion,
#uri = self.request.uri,
)
self.server.add_log(ret)
else:
cc = wsgi.ClientConn(self.client_address)
req = wsgi.Request(cc, "http", method, path, headers, content)
sn = self.connection.getsockname()
app = wsgi.WSGIAdaptor(
self.server.app,
sn[0],
self.server.port,
version.NAMEVERSION
)
app.serve(req, self.wfile)
class Pathod(tcp.TCPServer):
LOGBUF = 500
def __init__(self, addr, ssloptions=None, prefix="/p/", staticdir=None, anchors=None):
"""
addr: (address, port) tuple. If port is 0, a free port will be
automatically chosen.
ssloptions: a dictionary containing certfile and keyfile specifications.
prefix: string specifying the prefix at which to anchor response generation.
staticdir: path to a directory of static resources, or None.
anchors: A list of (regex, spec) tuples, or None.
"""
tcp.TCPServer.__init__(self, addr)
self.ssloptions = ssloptions
self.staticdir = staticdir
self.prefix = prefix
self.app = app.app
self.app.config["pathod"] = self
self.log = []
self.logid = 0
self.anchors = []
if anchors:
for i in anchors:
try:
arex = re.compile(i[0])
except re.error:
raise PathodError("Invalid regex in anchor: %s"%i[0])
try:
aresp = rparse.parse_response(self.request_settings, i[1])
except rparse.ParseException, v:
raise PathodError("Invalid page spec in anchor: '%s', %s"%(i[1], str(v)))
self.anchors.append((arex, aresp))
@property
def request_settings(self):
return dict(
staticdir = self.staticdir
)
def handle_connection(self, request, client_address):
PathodHandler(request, client_address, self)
def add_log(self, d):
lock = threading.Lock()
with lock:
d["id"] = self.logid
self.log.insert(0, d)
if len(self.log) > self.LOGBUF:
self.log.pop()
self.logid += 1
return d["id"]
def clear_log(self):
lock = threading.Lock()
with lock:
self.log = []
def log_by_id(self, id):
for i in self.log:
if i["id"] == id:
return i
def get_log(self):
return self.log
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