Mercurial > hg
view mercurial/hgweb/protocol.py @ 14991:4f39610996fa stable
http2: send an extra header to signal a non-broken client
Some proxies strip the expect header because they forward requests in
a non-compliant way or as a way to defend against bogus clients.
author | Augie Fackler <durin42@gmail.com> |
---|---|
date | Wed, 27 Jul 2011 18:35:35 -0500 |
parents | afccc64eea73 |
children | f4522df38c65 |
line wrap: on
line source
# # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net> # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import cgi, cStringIO, zlib, urllib from mercurial import util, wireproto from common import HTTP_OK HGTYPE = 'application/mercurial-0.1' class webproto(object): def __init__(self, req, ui): self.req = req self.response = '' self.ui = ui def getargs(self, args): knownargs = self._args() data = {} keys = args.split() for k in keys: if k == '*': star = {} for key in knownargs.keys(): if key != 'cmd' and key not in keys: star[key] = knownargs[key][0] data['*'] = star else: data[k] = knownargs[k][0] return [data[k] for k in keys] def _args(self): args = self.req.form.copy() chunks = [] i = 1 while True: h = self.req.env.get('HTTP_X_HGARG_' + str(i)) if h is None: break chunks += [h] i += 1 args.update(cgi.parse_qs(''.join(chunks), keep_blank_values=True)) return args def getfile(self, fp): length = int(self.req.env['CONTENT_LENGTH']) for s in util.filechunkiter(self.req, limit=length): fp.write(s) def redirect(self): self.oldio = self.ui.fout, self.ui.ferr self.ui.ferr = self.ui.fout = cStringIO.StringIO() def restore(self): val = self.ui.fout.getvalue() self.ui.ferr, self.ui.fout = self.oldio return val def groupchunks(self, cg): z = zlib.compressobj() while True: chunk = cg.read(4096) if not chunk: break yield z.compress(chunk) yield z.flush() def _client(self): return 'remote:%s:%s:%s' % ( self.req.env.get('wsgi.url_scheme') or 'http', urllib.quote(self.req.env.get('REMOTE_HOST', '')), urllib.quote(self.req.env.get('REMOTE_USER', ''))) def iscmd(cmd): return cmd in wireproto.commands def call(repo, req, cmd): p = webproto(req, repo.ui) rsp = wireproto.dispatch(repo, p, cmd) if isinstance(rsp, str): req.respond(HTTP_OK, HGTYPE, length=len(rsp)) return [rsp] elif isinstance(rsp, wireproto.streamres): req.respond(HTTP_OK, HGTYPE) return rsp.gen elif isinstance(rsp, wireproto.pushres): val = p.restore() req.respond(HTTP_OK, HGTYPE) return ['%d\n%s' % (rsp.res, val)] elif isinstance(rsp, wireproto.pusherr): # drain the incoming bundle req.drain() p.restore() rsp = '0\n%s\n' % rsp.res req.respond(HTTP_OK, HGTYPE, length=len(rsp)) return [rsp]