httppeer.py
645 lines
| 20.5 KiB
| text/x-python
|
PythonLexer
/ mercurial / httppeer.py
|
r17192 | # httppeer.py - HTTP repository proxy classes for mercurial | ||
# | ||||
|
r47575 | # Copyright 2005, 2006 Olivia Mackall <olivia@selenic.com> | ||
|
r17192 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> | ||
# | ||||
# This software may be used and distributed according to the terms of the | ||||
# GNU General Public License version 2 or any later version. | ||||
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r25954 | |||
import errno | ||||
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r33820 | import io | ||
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r25954 | import os | ||
import socket | ||||
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r30763 | import struct | ||
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r25954 | |||
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r49690 | from concurrent import futures | ||
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r25954 | from .i18n import _ | ||
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r43359 | from .pycompat import getattr | ||
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r25954 | from . import ( | ||
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r28666 | bundle2, | ||
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r25954 | error, | ||
httpconnection, | ||||
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r30924 | pycompat, | ||
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r25954 | statichttprepo, | ||
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r36977 | url as urlmod, | ||
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r25954 | util, | ||
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r37632 | wireprotov1peer, | ||
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r25954 | ) | ||
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r49357 | from .utils import urlutil | ||
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r17192 | |||
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r29455 | httplib = util.httplib | ||
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r28883 | urlerr = util.urlerr | ||
urlreq = util.urlreq | ||||
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r43346 | |||
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r30759 | def encodevalueinheaders(value, header, limit): | ||
"""Encode a string value into multiple HTTP headers. | ||||
``value`` will be encoded into 1 or more HTTP headers with the names | ||||
``header-<N>`` where ``<N>`` is an integer starting at 1. Each header | ||||
name + value will be at most ``limit`` bytes long. | ||||
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r34733 | Returns an iterable of 2-tuples consisting of header names and | ||
values as native strings. | ||||
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r30759 | """ | ||
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r34733 | # HTTP Headers are ASCII. Python 3 requires them to be unicodes, | ||
# not bytes. This function always takes bytes in as arguments. | ||||
fmt = pycompat.strurl(header) + r'-%s' | ||||
# Note: it is *NOT* a bug that the last bit here is a bytestring | ||||
# and not a unicode: we're just getting the encoded length anyway, | ||||
# and using an r-string to make it portable between Python 2 and 3 | ||||
# doesn't work because then the \r is a literal backslash-r | ||||
# instead of a carriage return. | ||||
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r43906 | valuelen = limit - len(fmt % '000') - len(b': \r\n') | ||
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r30759 | result = [] | ||
n = 0 | ||||
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r50179 | for i in range(0, len(value), valuelen): | ||
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r30759 | n += 1 | ||
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r43346 | result.append((fmt % str(n), pycompat.strurl(value[i : i + valuelen]))) | ||
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r30759 | |||
return result | ||||
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r43346 | |||
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r49801 | class _multifile: | ||
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r33820 | def __init__(self, *fileobjs): | ||
for f in fileobjs: | ||||
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r43347 | if not util.safehasattr(f, b'length'): | ||
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r33820 | raise ValueError( | ||
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r43347 | b'_multifile only supports file objects that ' | ||
b'have a length but this one does not:', | ||||
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r43346 | type(f), | ||
f, | ||||
) | ||||
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r33820 | self._fileobjs = fileobjs | ||
self._index = 0 | ||||
@property | ||||
def length(self): | ||||
return sum(f.length for f in self._fileobjs) | ||||
def read(self, amt=None): | ||||
if amt <= 0: | ||||
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r43347 | return b''.join(f.read() for f in self._fileobjs) | ||
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r33820 | parts = [] | ||
while amt and self._index < len(self._fileobjs): | ||||
parts.append(self._fileobjs[self._index].read(amt)) | ||||
got = len(parts[-1]) | ||||
if got < amt: | ||||
self._index += 1 | ||||
amt -= got | ||||
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r43347 | return b''.join(parts) | ||
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r33820 | |||
def seek(self, offset, whence=os.SEEK_SET): | ||||
if whence != os.SEEK_SET: | ||||
raise NotImplementedError( | ||||
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r43347 | b'_multifile does not support anything other' | ||
b' than os.SEEK_SET for whence on seek()' | ||||
|
r43346 | ) | ||
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r33820 | if offset != 0: | ||
raise NotImplementedError( | ||||
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r43347 | b'_multifile only supports seeking to start, but that ' | ||
b'could be fixed if you need it' | ||||
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r43346 | ) | ||
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r33820 | for f in self._fileobjs: | ||
f.seek(0) | ||||
self._index = 0 | ||||
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r43346 | |||
def makev1commandrequest( | ||||
ui, requestbuilder, caps, capablefn, repobaseurl, cmd, args | ||||
): | ||||
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r37567 | """Make an HTTP request to run a command for a version 1 client. | ||
``caps`` is a set of known server capabilities. The value may be | ||||
None if capabilities are not yet known. | ||||
``capablefn`` is a function to evaluate a capability. | ||||
``cmd``, ``args``, and ``data`` define the command, its arguments, and | ||||
raw data to pass to it. | ||||
""" | ||||
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r43347 | if cmd == b'pushkey': | ||
args[b'data'] = b'' | ||||
data = args.pop(b'data', None) | ||||
headers = args.pop(b'headers', {}) | ||||
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r37567 | |||
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r43347 | ui.debug(b"sending %s command\n" % cmd) | ||
q = [(b'cmd', cmd)] | ||||
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r37567 | headersize = 0 | ||
# Important: don't use self.capable() here or else you end up | ||||
# with infinite recursion when trying to look up capabilities | ||||
# for the first time. | ||||
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r43347 | postargsok = caps is not None and b'httppostargs' in caps | ||
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r37567 | |||
# Send arguments via POST. | ||||
if postargsok and args: | ||||
strargs = urlreq.urlencode(sorted(args.items())) | ||||
if not data: | ||||
data = strargs | ||||
else: | ||||
if isinstance(data, bytes): | ||||
i = io.BytesIO(data) | ||||
i.length = len(data) | ||||
data = i | ||||
argsio = io.BytesIO(strargs) | ||||
argsio.length = len(strargs) | ||||
data = _multifile(argsio, data) | ||||
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r43906 | headers['X-HgArgs-Post'] = len(strargs) | ||
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r37567 | elif args: | ||
# Calling self.capable() can infinite loop if we are calling | ||||
# "capabilities". But that command should never accept wire | ||||
# protocol arguments. So this should never happen. | ||||
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r43347 | assert cmd != b'capabilities' | ||
httpheader = capablefn(b'httpheader') | ||||
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r37567 | if httpheader: | ||
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r43347 | headersize = int(httpheader.split(b',', 1)[0]) | ||
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r37567 | |||
# Send arguments via HTTP headers. | ||||
if headersize > 0: | ||||
# The headers can typically carry more data than the URL. | ||||
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r47209 | encoded_args = urlreq.urlencode(sorted(args.items())) | ||
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r43346 | for header, value in encodevalueinheaders( | ||
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r47209 | encoded_args, b'X-HgArg', headersize | ||
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r43346 | ): | ||
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r37567 | headers[header] = value | ||
# Send arguments via query string (Mercurial <1.9). | ||||
else: | ||||
q += sorted(args.items()) | ||||
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r43347 | qs = b'?%s' % urlreq.urlencode(q) | ||
cu = b"%s%s" % (repobaseurl, qs) | ||||
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r37567 | size = 0 | ||
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r43347 | if util.safehasattr(data, b'length'): | ||
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r37567 | size = data.length | ||
elif data is not None: | ||||
size = len(data) | ||||
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r43906 | if data is not None and 'Content-Type' not in headers: | ||
headers['Content-Type'] = 'application/mercurial-0.1' | ||||
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r37567 | |||
# Tell the server we accept application/mercurial-0.2 and multiple | ||||
# compression formats if the server is capable of emitting those | ||||
# payloads. | ||||
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r37574 | # Note: Keep this set empty by default, as client advertisement of | ||
# protocol parameters should only occur after the handshake. | ||||
protoparams = set() | ||||
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r37567 | |||
mediatypes = set() | ||||
if caps is not None: | ||||
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r43347 | mt = capablefn(b'httpmediatype') | ||
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r37567 | if mt: | ||
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r43347 | protoparams.add(b'0.1') | ||
mediatypes = set(mt.split(b',')) | ||||
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r37567 | |||
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r43347 | protoparams.add(b'partial-pull') | ||
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r37574 | |||
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r43347 | if b'0.2tx' in mediatypes: | ||
protoparams.add(b'0.2') | ||||
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r37567 | |||
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r43347 | if b'0.2tx' in mediatypes and capablefn(b'compression'): | ||
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r37567 | # We /could/ compare supported compression formats and prune | ||
# non-mutually supported or error if nothing is mutually supported. | ||||
# For now, send the full list to the server and have it error. | ||||
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r43346 | comps = [ | ||
e.wireprotosupport().name | ||||
for e in util.compengines.supportedwireengines(util.CLIENTROLE) | ||||
] | ||||
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r43347 | protoparams.add(b'comp=%s' % b','.join(comps)) | ||
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r37567 | |||
if protoparams: | ||||
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r43346 | protoheaders = encodevalueinheaders( | ||
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r43347 | b' '.join(sorted(protoparams)), b'X-HgProto', headersize or 1024 | ||
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r43346 | ) | ||
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r37567 | for header, value in protoheaders: | ||
headers[header] = value | ||||
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r37573 | |||
varyheaders = [] | ||||
for header in headers: | ||||
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r43906 | if header.lower().startswith('x-hg'): | ||
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r37567 | varyheaders.append(header) | ||
if varyheaders: | ||||
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r43906 | headers['Vary'] = ','.join(sorted(varyheaders)) | ||
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r37567 | |||
req = requestbuilder(pycompat.strurl(cu), data, headers) | ||||
if data is not None: | ||||
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r43347 | ui.debug(b"sending %d bytes\n" % size) | ||
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r43906 | req.add_unredirected_header('Content-Length', '%d' % size) | ||
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r37567 | |||
return req, cu, qs | ||||
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r43346 | |||
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r37566 | def sendrequest(ui, opener, req): | ||
"""Send a prepared HTTP request. | ||||
Returns the response object. | ||||
""" | ||||
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r38139 | dbg = ui.debug | ||
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r43347 | if ui.debugflag and ui.configbool(b'devel', b'debug.peer-request'): | ||
line = b'devel-peer-request: %s\n' | ||||
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r43346 | dbg( | ||
line | ||||
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r43347 | % b'%s %s' | ||
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r43346 | % ( | ||
pycompat.bytesurl(req.get_method()), | ||||
pycompat.bytesurl(req.get_full_url()), | ||||
) | ||||
) | ||||
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r37566 | hgargssize = None | ||
for header, value in sorted(req.header_items()): | ||||
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r37755 | header = pycompat.bytesurl(header) | ||
value = pycompat.bytesurl(value) | ||||
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r43347 | if header.startswith(b'X-hgarg-'): | ||
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r37566 | if hgargssize is None: | ||
hgargssize = 0 | ||||
hgargssize += len(value) | ||||
else: | ||||
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r43347 | dbg(line % b' %s %s' % (header, value)) | ||
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r37566 | |||
if hgargssize is not None: | ||||
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r43346 | dbg( | ||
line | ||||
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r43347 | % b' %d bytes of commands arguments in headers' | ||
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r43346 | % hgargssize | ||
) | ||||
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r49742 | data = req.data | ||
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r37756 | if data is not None: | ||
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r37566 | length = getattr(data, 'length', None) | ||
if length is None: | ||||
length = len(data) | ||||
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r43347 | dbg(line % b' %d bytes of data' % length) | ||
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r37566 | |||
start = util.timer() | ||||
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r38521 | res = None | ||
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r37568 | try: | ||
res = opener.open(req) | ||||
except urlerr.httperror as inst: | ||||
if inst.code == 401: | ||||
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r43347 | raise error.Abort(_(b'authorization failed')) | ||
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r37568 | raise | ||
except httplib.HTTPException as inst: | ||||
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r43346 | ui.debug( | ||
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r43347 | b'http error requesting %s\n' | ||
r47669 | % urlutil.hidepassword(req.get_full_url()) | |||
|
r43346 | ) | ||
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r37568 | ui.traceback() | ||
raise IOError(None, inst) | ||||
finally: | ||||
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r43347 | if ui.debugflag and ui.configbool(b'devel', b'debug.peer-request'): | ||
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r38521 | code = res.code if res else -1 | ||
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r43346 | dbg( | ||
line | ||||
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r43347 | % b' finished in %.4f seconds (%d)' | ||
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r43346 | % (util.timer() - start, code) | ||
) | ||||
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r37568 | |||
# Insert error handlers for common I/O failures. | ||||
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r40054 | urlmod.wrapresponse(res) | ||
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r37566 | |||
return res | ||||
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r43346 | |||
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r37851 | class RedirectedRepoError(error.RepoError): | ||
def __init__(self, msg, respurl): | ||||
super(RedirectedRepoError, self).__init__(msg) | ||||
self.respurl = respurl | ||||
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r43346 | |||
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r49357 | def parsev1commandresponse(ui, baseurl, requrl, qs, resp, compressible): | ||
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r37569 | # record the url we got redirected to | ||
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r37851 | redirected = False | ||
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r37569 | respurl = pycompat.bytesurl(resp.geturl()) | ||
if respurl.endswith(qs): | ||||
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r43346 | respurl = respurl[: -len(qs)] | ||
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r37851 | qsdropped = False | ||
else: | ||||
qsdropped = True | ||||
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r43347 | if baseurl.rstrip(b'/') != respurl.rstrip(b'/'): | ||
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r37851 | redirected = True | ||
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r37569 | if not ui.quiet: | ||
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r43347 | ui.warn(_(b'real URL is %s\n') % respurl) | ||
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r37569 | |||
try: | ||||
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r43906 | proto = pycompat.bytesurl(resp.getheader('content-type', '')) | ||
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r37569 | except AttributeError: | ||
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r43906 | proto = pycompat.bytesurl(resp.headers.get('content-type', '')) | ||
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r37569 | |||
r47669 | safeurl = urlutil.hidepassword(baseurl) | |||
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r43347 | if proto.startswith(b'application/hg-error'): | ||
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r37569 | raise error.OutOfBandError(resp.read()) | ||
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r37572 | |||
# Pre 1.0 versions of Mercurial used text/plain and | ||||
# application/hg-changegroup. We don't support such old servers. | ||||
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r43347 | if not proto.startswith(b'application/mercurial-'): | ||
r47669 | ui.debug(b"requested URL: '%s'\n" % urlutil.hidepassword(requrl)) | |||
|
r43346 | msg = _( | ||
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r43347 | b"'%s' does not appear to be an hg repository:\n" | ||
b"---%%<--- (%s)\n%s\n---%%<---\n" | ||||
) % (safeurl, proto or b'no content-type', resp.read(1024)) | ||||
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r37851 | |||
# Some servers may strip the query string from the redirect. We | ||||
# raise a special error type so callers can react to this specially. | ||||
if redirected and qsdropped: | ||||
raise RedirectedRepoError(msg, respurl) | ||||
else: | ||||
raise error.RepoError(msg) | ||||
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r37569 | |||
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r37572 | try: | ||
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r43347 | subtype = proto.split(b'-', 1)[1] | ||
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r37576 | |||
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r43347 | version_info = tuple([int(n) for n in subtype.split(b'.')]) | ||
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r37572 | except ValueError: | ||
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r43346 | raise error.RepoError( | ||
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r43387 | _(b"'%s' sent a broken Content-Type header (%s)") % (safeurl, proto) | ||
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r43346 | ) | ||
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r37569 | |||
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r37572 | # TODO consider switching to a decompression reader that uses | ||
# generators. | ||||
if version_info == (0, 1): | ||||
if compressible: | ||||
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r43347 | resp = util.compengines[b'zlib'].decompressorreader(resp) | ||
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r37569 | |||
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r37572 | elif version_info == (0, 2): | ||
# application/mercurial-0.2 always identifies the compression | ||||
# engine in the payload header. | ||||
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r43347 | elen = struct.unpack(b'B', util.readexactly(resp, 1))[0] | ||
r39520 | ename = util.readexactly(resp, elen) | |||
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r37572 | engine = util.compengines.forwiretype(ename) | ||
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r37569 | |||
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r37572 | resp = engine.decompressorreader(resp) | ||
else: | ||||
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r43346 | raise error.RepoError( | ||
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r43347 | _(b"'%s' uses newer protocol %s") % (safeurl, subtype) | ||
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r43346 | ) | ||
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r37569 | |||
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r37576 | return respurl, proto, resp | ||
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r37569 | |||
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r43346 | |||
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r37632 | class httppeer(wireprotov1peer.wirepeer): | ||
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r37570 | def __init__(self, ui, path, url, opener, requestbuilder, caps): | ||
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r37337 | self.ui = ui | ||
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r33671 | self._path = path | ||
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r37024 | self._url = url | ||
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r37570 | self._caps = caps | ||
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r43347 | self.limitedarguments = caps is not None and b'httppostargs' not in caps | ||
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r37024 | self._urlopener = opener | ||
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r37565 | self._requestbuilder = requestbuilder | ||
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r17192 | |||
def __del__(self): | ||||
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r37024 | for h in self._urlopener.handlers: | ||
h.close() | ||||
getattr(h, "close_all", lambda: None)() | ||||
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r17192 | |||
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r37336 | # Begin of ipeerconnection interface. | ||
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r33804 | |||
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r17192 | def url(self): | ||
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r33671 | return self._path | ||
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r17192 | |||
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r33804 | def local(self): | ||
return None | ||||
def peer(self): | ||||
return self | ||||
def canpush(self): | ||||
return True | ||||
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r17192 | |||
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r33804 | def close(self): | ||
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r40478 | try: | ||
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r43346 | reqs, sent, recv = ( | ||
self._urlopener.requestscount, | ||||
self._urlopener.sentbytescount, | ||||
self._urlopener.receivedbytescount, | ||||
) | ||||
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r40478 | except AttributeError: | ||
return | ||||
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r43346 | self.ui.note( | ||
_( | ||||
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r43347 | b'(sent %d HTTP requests and %d bytes; ' | ||
b'received %d bytes in responses)\n' | ||||
|
r43346 | ) | ||
% (reqs, sent, recv) | ||||
) | ||||
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r17192 | |||
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r37336 | # End of ipeerconnection interface. | ||
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r33804 | |||
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r37336 | # Begin of ipeercommands interface. | ||
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r33804 | |||
def capabilities(self): | ||||
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r33671 | return self._caps | ||
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r17192 | |||
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r37336 | # End of ipeercommands interface. | ||
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r33804 | |||
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r30464 | def _callstream(self, cmd, _compressible=False, **args): | ||
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r35360 | args = pycompat.byteskwargs(args) | ||
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r36236 | |||
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r43346 | req, cu, qs = makev1commandrequest( | ||
self.ui, | ||||
self._requestbuilder, | ||||
self._caps, | ||||
self.capable, | ||||
self._url, | ||||
cmd, | ||||
args, | ||||
) | ||||
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r30763 | |||
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r37568 | resp = sendrequest(self.ui, self._urlopener, req) | ||
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r32002 | |||
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r43346 | self._url, ct, resp = parsev1commandresponse( | ||
self.ui, self._url, cu, qs, resp, _compressible | ||||
) | ||||
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r30464 | |||
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r17192 | return resp | ||
def _call(self, cmd, **args): | ||||
fp = self._callstream(cmd, **args) | ||||
try: | ||||
return fp.read() | ||||
finally: | ||||
# if using keepalive, allow connection to be reused | ||||
fp.close() | ||||
def _callpush(self, cmd, cg, **args): | ||||
# have to stream bundle to a temp file because we do not have | ||||
# http 1.1 chunked transfer. | ||||
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r43347 | types = self.capable(b'unbundle') | ||
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r17192 | try: | ||
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r43347 | types = types.split(b',') | ||
|
r17192 | except AttributeError: | ||
# servers older than d1b16a746db6 will send 'unbundle' as a | ||||
# boolean capability. They only support headerless/uncompressed | ||||
# bundles. | ||||
|
r43347 | types = [b""] | ||
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r17192 | for x in types: | ||
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r28666 | if x in bundle2.bundletypes: | ||
|
r17192 | type = x | ||
break | ||||
|
r28666 | tempname = bundle2.writebundle(self.ui, cg, None, type) | ||
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r43347 | fp = httpconnection.httpsendfile(self.ui, tempname, b"rb") | ||
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r43906 | headers = {'Content-Type': 'application/mercurial-0.1'} | ||
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r17192 | |||
try: | ||||
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r25085 | r = self._call(cmd, data=fp, headers=headers, **args) | ||
|
r43347 | vals = r.split(b'\n', 1) | ||
|
r25085 | if len(vals) < 2: | ||
|
r43347 | raise error.ResponseError(_(b"unexpected response:"), r) | ||
|
r25085 | return vals | ||
|
r36448 | except urlerr.httperror: | ||
# Catch and re-raise these so we don't try and treat them | ||||
# like generic socket errors. They lack any values in | ||||
# .args on Python 3 which breaks our socket.error block. | ||||
raise | ||||
|
r25660 | except socket.error as err: | ||
|
r25085 | if err.args[0] in (errno.ECONNRESET, errno.EPIPE): | ||
|
r43347 | raise error.Abort(_(b'push failed: %s') % err.args[1]) | ||
|
r26587 | raise error.Abort(err.args[1]) | ||
|
r17192 | finally: | ||
fp.close() | ||||
os.unlink(tempname) | ||||
|
r21074 | def _calltwowaystream(self, cmd, fp, **args): | ||
filename = None | ||||
try: | ||||
# dump bundle to disk | ||||
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r43347 | fd, filename = pycompat.mkstemp(prefix=b"hg-bundle-", suffix=b".hg") | ||
|
r43809 | with os.fdopen(fd, "wb") as fh: | ||
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r21074 | d = fp.read(4096) | ||
|
r43118 | while d: | ||
fh.write(d) | ||||
d = fp.read(4096) | ||||
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r21074 | # start http push | ||
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r43347 | with httpconnection.httpsendfile(self.ui, filename, b"rb") as fp_: | ||
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r43906 | headers = {'Content-Type': 'application/mercurial-0.1'} | ||
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r43119 | return self._callstream(cmd, data=fp_, headers=headers, **args) | ||
|
r21074 | finally: | ||
|
r43118 | if filename is not None: | ||
|
r21074 | os.unlink(filename) | ||
|
r20905 | def _callcompressable(self, cmd, **args): | ||
|
r30464 | return self._callstream(cmd, _compressible=True, **args) | ||
|
r17192 | |||
|
r21188 | def _abort(self, exception): | ||
raise exception | ||||
|
r43346 | |||
|
r49690 | class queuedcommandfuture(futures.Future): | ||
|
r37669 | """Wraps result() on command futures to trigger submission on call.""" | ||
def result(self, timeout=None): | ||||
if self.done(): | ||||
|
r49690 | return futures.Future.result(self, timeout) | ||
|
r37669 | |||
self._peerexecutor.sendcommands() | ||||
# sendcommands() will restore the original __class__ and self.result | ||||
# will resolve to Future.result. | ||||
return self.result(timeout) | ||||
|
r43346 | |||
|
r37570 | def performhandshake(ui, url, opener, requestbuilder): | ||
# The handshake is a request to the capabilities command. | ||||
caps = None | ||||
|
r43346 | |||
|
r37570 | def capable(x): | ||
|
r43347 | raise error.ProgrammingError(b'should not be called') | ||
|
r37570 | |||
|
r37576 | args = {} | ||
|
r43346 | req, requrl, qs = makev1commandrequest( | ||
|
r43347 | ui, requestbuilder, caps, capable, url, b'capabilities', args | ||
|
r43346 | ) | ||
|
r37570 | resp = sendrequest(ui, opener, req) | ||
|
r37851 | # The server may redirect us to the repo root, stripping the | ||
# ?cmd=capabilities query string from the URL. The server would likely | ||||
# return HTML in this case and ``parsev1commandresponse()`` would raise. | ||||
# We catch this special case and re-issue the capabilities request against | ||||
# the new URL. | ||||
# | ||||
# We should ideally not do this, as a redirect that drops the query | ||||
# string from the URL is arguably a server bug. (Garbage in, garbage out). | ||||
# However, Mercurial clients for several years appeared to handle this | ||||
# issue without behavior degradation. And according to issue 5860, it may | ||||
# be a longstanding bug in some server implementations. So we allow a | ||||
# redirect that drops the query string to "just work." | ||||
try: | ||||
|
r43346 | respurl, ct, resp = parsev1commandresponse( | ||
|
r49357 | ui, url, requrl, qs, resp, compressible=False | ||
|
r43346 | ) | ||
|
r37851 | except RedirectedRepoError as e: | ||
|
r43346 | req, requrl, qs = makev1commandrequest( | ||
|
r43347 | ui, requestbuilder, caps, capable, e.respurl, b'capabilities', args | ||
|
r43346 | ) | ||
|
r37851 | resp = sendrequest(ui, opener, req) | ||
|
r43346 | respurl, ct, resp = parsev1commandresponse( | ||
|
r49357 | ui, url, requrl, qs, resp, compressible=False | ||
|
r43346 | ) | ||
|
r37570 | |||
try: | ||||
|
r37576 | rawdata = resp.read() | ||
|
r37570 | finally: | ||
resp.close() | ||||
|
r43347 | if not ct.startswith(b'application/mercurial-'): | ||
raise error.ProgrammingError(b'unexpected content-type: %s' % ct) | ||||
|
r37576 | |||
|
r49357 | info = {b'v1capabilities': set(rawdata.split())} | ||
|
r37576 | |||
return respurl, info | ||||
|
r37570 | |||
|
r43346 | |||
|
r37571 | def makepeer(ui, path, opener=None, requestbuilder=urlreq.request): | ||
|
r37565 | """Construct an appropriate HTTP peer instance. | ||
|
r37571 | ``opener`` is an ``url.opener`` that should be used to establish | ||
connections, perform HTTP requests. | ||||
|
r37565 | ``requestbuilder`` is the type used for constructing HTTP requests. | ||
It exists as an argument so extensions can override the default. | ||||
""" | ||||
r47669 | u = urlutil.url(path) | |||
|
r37024 | if u.query or u.fragment: | ||
|
r43346 | raise error.Abort( | ||
|
r43347 | _(b'unsupported URL component: "%s"') % (u.query or u.fragment) | ||
|
r43346 | ) | ||
|
r37024 | |||
# urllib cannot handle URLs with embedded user or passwd. | ||||
url, authinfo = u.authinfo() | ||||
|
r43347 | ui.debug(b'using %s\n' % url) | ||
|
r37024 | |||
|
r37571 | opener = opener or urlmod.opener(ui, authinfo) | ||
|
r37024 | |||
|
r37576 | respurl, info = performhandshake(ui, url, opener, requestbuilder) | ||
|
r43346 | return httppeer( | ||
|
r43347 | ui, path, respurl, opener, requestbuilder, info[b'v1capabilities'] | ||
|
r43346 | ) | ||
|
r37024 | |||
|
r39585 | def instance(ui, path, create, intents=None, createopts=None): | ||
|
r17192 | if create: | ||
|
r43347 | raise error.Abort(_(b'cannot create new http repository')) | ||
|
r17192 | try: | ||
|
r43347 | if path.startswith(b'https:') and not urlmod.has_https: | ||
|
r43346 | raise error.Abort( | ||
|
r43387 | _(b'Python support for SSL and HTTPS is not installed') | ||
|
r43346 | ) | ||
|
r35902 | |||
|
r37024 | inst = makepeer(ui, path) | ||
|
r35902 | |||
|
r17192 | return inst | ||
|
r25660 | except error.RepoError as httpexception: | ||
|
r17192 | try: | ||
|
r43347 | r = statichttprepo.instance(ui, b"static-" + path, create) | ||
ui.note(_(b'(falling back to static-http)\n')) | ||||
|
r17192 | return r | ||
except error.RepoError: | ||||
|
r43346 | raise httpexception # use the original http RepoError instead | ||