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#
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# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import cgi
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import zlib
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from .common import (
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HTTP_OK,
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)
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from .. import (
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util,
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wireproto,
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)
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stringio = util.stringio
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urlerr = util.urlerr
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urlreq = util.urlreq
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HGTYPE = 'application/mercurial-0.1'
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HGERRTYPE = 'application/hg-error'
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class webproto(wireproto.abstractserverproto):
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def __init__(self, req, ui):
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self.req = req
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self.response = ''
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self.ui = ui
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def getargs(self, args):
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knownargs = self._args()
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data = {}
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keys = args.split()
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for k in keys:
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if k == '*':
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star = {}
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for key in knownargs.keys():
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if key != 'cmd' and key not in keys:
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star[key] = knownargs[key][0]
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data['*'] = star
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else:
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data[k] = knownargs[k][0]
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return [data[k] for k in keys]
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def _args(self):
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args = self.req.form.copy()
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postlen = int(self.req.env.get('HTTP_X_HGARGS_POST', 0))
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if postlen:
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args.update(cgi.parse_qs(
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self.req.read(postlen), keep_blank_values=True))
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return args
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chunks = []
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i = 1
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while True:
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h = self.req.env.get('HTTP_X_HGARG_' + str(i))
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if h is None:
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break
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chunks += [h]
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i += 1
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args.update(cgi.parse_qs(''.join(chunks), keep_blank_values=True))
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return args
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def getfile(self, fp):
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length = int(self.req.env['CONTENT_LENGTH'])
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for s in util.filechunkiter(self.req, limit=length):
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fp.write(s)
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def redirect(self):
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self.oldio = self.ui.fout, self.ui.ferr
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self.ui.ferr = self.ui.fout = stringio()
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def restore(self):
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val = self.ui.fout.getvalue()
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self.ui.ferr, self.ui.fout = self.oldio
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return val
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def groupchunks(self, fh):
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def getchunks():
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while True:
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chunk = fh.read(32768)
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if not chunk:
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break
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yield chunk
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return self.compresschunks(getchunks())
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def compresschunks(self, chunks):
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# Don't allow untrusted settings because disabling compression or
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# setting a very high compression level could lead to flooding
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# the server's network or CPU.
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z = zlib.compressobj(self.ui.configint('server', 'zliblevel', -1))
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for chunk in chunks:
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data = z.compress(chunk)
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# Not all calls to compress() emit data. It is cheaper to inspect
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# that here than to send it via the generator.
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if data:
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yield data
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yield z.flush()
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def _client(self):
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return 'remote:%s:%s:%s' % (
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self.req.env.get('wsgi.url_scheme') or 'http',
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urlreq.quote(self.req.env.get('REMOTE_HOST', '')),
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urlreq.quote(self.req.env.get('REMOTE_USER', '')))
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def iscmd(cmd):
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return cmd in wireproto.commands
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def call(repo, req, cmd):
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p = webproto(req, repo.ui)
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rsp = wireproto.dispatch(repo, p, cmd)
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if isinstance(rsp, str):
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req.respond(HTTP_OK, HGTYPE, body=rsp)
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return []
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elif isinstance(rsp, wireproto.streamres):
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req.respond(HTTP_OK, HGTYPE)
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return rsp.gen
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elif isinstance(rsp, wireproto.pushres):
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val = p.restore()
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rsp = '%d\n%s' % (rsp.res, val)
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req.respond(HTTP_OK, HGTYPE, body=rsp)
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return []
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elif isinstance(rsp, wireproto.pusherr):
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# drain the incoming bundle
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req.drain()
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p.restore()
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rsp = '0\n%s\n' % rsp.res
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req.respond(HTTP_OK, HGTYPE, body=rsp)
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return []
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elif isinstance(rsp, wireproto.ooberror):
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rsp = rsp.message
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req.respond(HTTP_OK, HGERRTYPE, body=rsp)
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return []
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