annotate mercurial/wireprotoserver.py @ 52971:469b9a628b51

dirstatemap: update, document and type the identity tracking This new form should hopefully be clearer and less error prone.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 18 Feb 2025 22:24:08 +0100
parents e627cc25b6f3
children
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1 # Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
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2 # Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
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3 #
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4 # This software may be used and distributed according to the terms of the
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5 # GNU General Public License version 2 or any later version.
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6
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7 from __future__ import annotations
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8
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9 import contextlib
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10 import struct
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11 import threading
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12
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13 from .i18n import _
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14 from . import (
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15 encoding,
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16 error,
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17 pycompat,
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18 util,
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19 wireprototypes,
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20 wireprotov1server,
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21 )
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22 from .utils import (
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23 compression,
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24 stringutil,
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25 )
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26
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27 stringio = util.stringio
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28
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29 urlerr = util.urlerr
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30 urlreq = util.urlreq
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31
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32 HTTP_OK = 200
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33
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34 HGTYPE = b'application/mercurial-0.1'
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35 HGTYPE2 = b'application/mercurial-0.2'
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36 HGERRTYPE = b'application/hg-error'
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37
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38 SSHV1 = wireprototypes.SSHV1
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39
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40
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41 def decodevaluefromheaders(req, headerprefix):
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42 """Decode a long value from multiple HTTP request headers.
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43
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44 Returns the value as a bytes, not a str.
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45 """
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46 chunks = []
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47 i = 1
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48 while True:
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49 v = req.headers.get(b'%s-%d' % (headerprefix, i))
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50 if v is None:
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51 break
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52 chunks.append(pycompat.bytesurl(v))
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53 i += 1
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54
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55 return b''.join(chunks)
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56
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57
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58 class httpv1protocolhandler(wireprototypes.baseprotocolhandler):
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59 def __init__(self, req, ui, checkperm):
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60 self._req = req
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61 self._ui = ui
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62 self._checkperm = checkperm
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63 self._protocaps = None
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64
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65 @property
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66 def name(self) -> bytes:
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67 return b'http-v1'
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68
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69 def getargs(self, args):
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70 knownargs = self._args()
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71 data = {}
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72 keys = args.split()
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73 for k in keys:
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74 if k == b'*':
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75 star = {}
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76 for key in knownargs.keys():
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77 if key != b'cmd' and key not in keys:
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78 star[key] = knownargs[key][0]
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79 data[b'*'] = star
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80 else:
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81 data[k] = knownargs[k][0]
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82 return [data[k] for k in keys]
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83
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84 def _args(self):
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85 args = self._req.qsparams.asdictoflists()
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86 postlen = int(self._req.headers.get(b'X-HgArgs-Post', 0))
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87 if postlen:
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88 args.update(
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89 urlreq.parseqs(
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90 self._req.bodyfh.read(postlen), keep_blank_values=True
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91 )
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92 )
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93 return args
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94
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95 argvalue = decodevaluefromheaders(self._req, b'X-HgArg')
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96 args.update(urlreq.parseqs(argvalue, keep_blank_values=True))
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97 return args
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98
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99 def getprotocaps(self):
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100 if self._protocaps is None:
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101 value = decodevaluefromheaders(self._req, b'X-HgProto')
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102 self._protocaps = set(value.split(b' '))
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103 return self._protocaps
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104
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105 def getpayload(self):
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106 # Existing clients *always* send Content-Length.
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107 length = int(self._req.headers[b'Content-Length'])
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108
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109 # If httppostargs is used, we need to read Content-Length
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110 # minus the amount that was consumed by args.
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111 length -= int(self._req.headers.get(b'X-HgArgs-Post', 0))
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112 return util.filechunkiter(self._req.bodyfh, limit=length)
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113
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114 @contextlib.contextmanager
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115 def mayberedirectstdio(self):
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116 oldout = self._ui.fout
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117 olderr = self._ui.ferr
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118
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119 out = util.stringio()
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120
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121 try:
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122 self._ui.fout = out
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123 self._ui.ferr = out
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124 yield out
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125 finally:
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126 self._ui.fout = oldout
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127 self._ui.ferr = olderr
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128
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129 def client(self):
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130 return b'remote:%s:%s:%s' % (
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131 self._req.urlscheme,
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132 urlreq.quote(self._req.remotehost or b''),
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133 urlreq.quote(self._req.remoteuser or b''),
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134 )
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135
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136 def addcapabilities(self, repo, caps):
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137 caps.append(b'batch')
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138
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139 caps.append(
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140 b'httpheader=%d' % repo.ui.configint(b'server', b'maxhttpheaderlen')
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141 )
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142 if repo.ui.configbool(b'experimental', b'httppostargs'):
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143 caps.append(b'httppostargs')
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144
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145 # FUTURE advertise 0.2rx once support is implemented
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146 # FUTURE advertise minrx and mintx after consulting config option
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147 caps.append(b'httpmediatype=0.1rx,0.1tx,0.2tx')
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148
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149 compengines = wireprototypes.supportedcompengines(
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150 repo.ui, compression.SERVERROLE
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151 )
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152 if compengines:
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153 comptypes = b','.join(
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154 urlreq.quote(e.wireprotosupport().name) for e in compengines
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155 )
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156 caps.append(b'compression=%s' % comptypes)
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157
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158 return caps
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159
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160 def checkperm(self, perm):
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161 return self._checkperm(perm)
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162
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163
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164 # This method exists mostly so that extensions like remotefilelog can
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165 # disable a kludgey legacy method only over http. As of early 2018,
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166 # there are no other known users, so with any luck we can discard this
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167 # hook if remotefilelog becomes a first-party extension.
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168 def iscmd(cmd):
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169 return cmd in wireprotov1server.commands
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170
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171
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172 def handlewsgirequest(rctx, req, res, checkperm):
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173 """Possibly process a wire protocol request.
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174
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175 If the current request is a wire protocol request, the request is
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176 processed by this function.
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177
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178 ``req`` is a ``parsedrequest`` instance.
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179 ``res`` is a ``wsgiresponse`` instance.
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180
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181 Returns a bool indicating if the request was serviced. If set, the caller
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182 should stop processing the request, as a response has already been issued.
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183 """
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184 # Avoid cycle involving hg module.
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185 from .hgweb import common as hgwebcommon
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186
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187 repo = rctx.repo
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188
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189 # HTTP version 1 wire protocol requests are denoted by a "cmd" query
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190 # string parameter. If it isn't present, this isn't a wire protocol
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191 # request.
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192 if b'cmd' not in req.qsparams:
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193 return False
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194
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195 cmd = req.qsparams[b'cmd']
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196
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197 # The "cmd" request parameter is used by both the wire protocol and hgweb.
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198 # While not all wire protocol commands are available for all transports,
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199 # if we see a "cmd" value that resembles a known wire protocol command, we
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200 # route it to a protocol handler. This is better than routing possible
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201 # wire protocol requests to hgweb because it prevents hgweb from using
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202 # known wire protocol commands and it is less confusing for machine
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203 # clients.
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204 if not iscmd(cmd):
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205 return False
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206
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207 # The "cmd" query string argument is only valid on the root path of the
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208 # repo. e.g. ``/?cmd=foo``, ``/repo?cmd=foo``. URL paths within the repo
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209 # like ``/blah?cmd=foo`` are not allowed. So don't recognize the request
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210 # in this case. We send an HTTP 404 for backwards compatibility reasons.
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211 if req.dispatchpath:
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212 res.status = hgwebcommon.statusmessage(404)
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213 res.headers[b'Content-Type'] = HGTYPE
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214 # TODO This is not a good response to issue for this request. This
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215 # is mostly for BC for now.
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216 res.setbodybytes(b'0\n%s\n' % b'Not Found')
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217 return True
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218
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219 proto = httpv1protocolhandler(
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220 req, repo.ui, lambda perm: checkperm(rctx, req, perm)
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221 )
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diff changeset
222
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223 # The permissions checker should be the only thing that can raise an
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224 # ErrorResponse. It is kind of a layer violation to catch an hgweb
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225 # exception here. So consider refactoring into a exception type that
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226 # is associated with the wire protocol.
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227 try:
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228 _callhttp(repo, req, res, proto, cmd)
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229 except hgwebcommon.ErrorResponse as e:
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230 for k, v in e.headers:
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231 res.headers[k] = v
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diff changeset
232 res.status = hgwebcommon.statusmessage(
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233 e.code, stringutil.forcebytestr(e)
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234 )
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235 # TODO This response body assumes the failed command was
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236 # "unbundle." That assumption is not always valid.
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237 res.setbodybytes(b'0\n%s\n' % stringutil.forcebytestr(e))
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238
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239 return True
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240
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241
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242 def _httpresponsetype(ui, proto, prefer_uncompressed):
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243 """Determine the appropriate response type and compression settings.
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244
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245 Returns a tuple of (mediatype, compengine, engineopts).
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246 """
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247 # Determine the response media type and compression engine based
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248 # on the request parameters.
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249
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250 if b'0.2' in proto.getprotocaps():
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251 # All clients are expected to support uncompressed data.
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252 if prefer_uncompressed:
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253 return HGTYPE2, compression._noopengine(), {}
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254
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255 # Now find an agreed upon compression format.
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diff changeset
256 compformats = wireprotov1server.clientcompressionsupport(proto)
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257 for engine in wireprototypes.supportedcompengines(
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258 ui, compression.SERVERROLE
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259 ):
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260 if engine.wireprotosupport().name in compformats:
341c886e411e wireprotoserver: move responsetype() out of http handler
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parents: 36109
diff changeset
261 opts = {}
43077
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parents: 43076
diff changeset
262 level = ui.configint(b'server', b'%slevel' % engine.name())
36110
341c886e411e wireprotoserver: move responsetype() out of http handler
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parents: 36109
diff changeset
263 if level is not None:
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
264 opts[b'level'] = level
36110
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parents: 36109
diff changeset
265
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
266 return HGTYPE2, engine, opts
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
267
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
268 # No mutually supported compression format. Fall back to the
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
269 # legacy protocol.
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
270
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
271 # Don't allow untrusted settings because disabling compression or
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
272 # setting a very high compression level could lead to flooding
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
273 # the server's network or CPU.
43077
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diff changeset
274 opts = {b'level': ui.configint(b'server', b'zliblevel')}
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
275 return HGTYPE, util.compengines[b'zlib'], opts
36110
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parents: 36109
diff changeset
276
43076
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Augie Fackler <augie@google.com>
parents: 42902
diff changeset
277
36873
a755fd3b7146 hgweb: expose URL scheme and REMOTE_* attributes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36868
diff changeset
278 def _callhttp(repo, req, res, proto, cmd):
36867
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
279 # Avoid cycle involving hg module.
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
280 from .hgweb import common as hgwebcommon
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
281
35750
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Joerg Sonnenberger <joerg@bec.de>
parents: 35705
diff changeset
282 def genversion2(gen, engine, engineopts):
30764
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
283 # application/mercurial-0.2 always sends a payload header
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
284 # identifying the compression engine.
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
285 name = engine.wireprotosupport().name
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
286 assert 0 < len(name) < 256
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
287 yield struct.pack(b'B', len(name))
30764
e75463e3179f protocol: send application/mercurial-0.2 responses to capable clients
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
288 yield name
e75463e3179f protocol: send application/mercurial-0.2 responses to capable clients
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
289
52669
e627cc25b6f3 pyupgrade: rewrite `yield` statements in a loop to `yield from`
Matt Harbison <matt_harbison@yahoo.com>
parents: 52126
diff changeset
290 yield from gen
30764
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
291
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
292 def setresponse(code, contenttype, bodybytes=None, bodygen=None):
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
293 if code == HTTP_OK:
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
294 res.status = b'200 Script output follows'
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
295 else:
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
296 res.status = hgwebcommon.statusmessage(code)
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
297
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
298 res.headers[b'Content-Type'] = contenttype
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
299
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
300 if bodybytes is not None:
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
301 res.setbodybytes(bodybytes)
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
302 if bodygen is not None:
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
303 res.setbodygen(bodygen)
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
304
37785
b4d85bc122bd wireproto: rename wireproto to wireprotov1server (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37783
diff changeset
305 if not wireprotov1server.commands.commandavailable(cmd, proto):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
306 setresponse(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
307 HTTP_OK,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
308 HGERRTYPE,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
309 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
310 b'requested wire protocol command is not available over '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
311 b'HTTP'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
312 ),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
313 )
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
314 return
36021
5a56bf4180ad wireproto: function for testing if wire protocol command is available
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36015
diff changeset
315
37785
b4d85bc122bd wireproto: rename wireproto to wireprotov1server (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37783
diff changeset
316 proto.checkperm(wireprotov1server.commands[cmd].permission)
36807
c638a13093cf wireprotoserver: check permissions in main dispatch function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36806
diff changeset
317
50477
3b199593fedd hidden: add support to explicitly access hidden changesets via HTTP
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
318 accesshidden = hgwebcommon.hashiddenaccess(repo, req)
3b199593fedd hidden: add support to explicitly access hidden changesets via HTTP
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
319 rsp = wireprotov1server.dispatch(repo, proto, cmd, accesshidden)
36806
7574c8173d5e wireprotoserver: check if command available before calling it
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36768
diff changeset
320
34510
c23fa3103925 hgweb: in protocol adapter, look for bytes instances, not str
Augie Fackler <augie@google.com>
parents: 34509
diff changeset
321 if isinstance(rsp, bytes):
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
322 setresponse(HTTP_OK, HGTYPE, bodybytes=rsp)
36112
2f7290555c96 wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36111
diff changeset
323 elif isinstance(rsp, wireprototypes.bytesresponse):
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
324 setresponse(HTTP_OK, HGTYPE, bodybytes=rsp.data)
36111
cd6ab329c5c7 wireprototypes: move wire protocol response types to new module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36110
diff changeset
325 elif isinstance(rsp, wireprototypes.streamreslegacy):
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
326 setresponse(HTTP_OK, HGTYPE, bodygen=rsp.gen)
36111
cd6ab329c5c7 wireprototypes: move wire protocol response types to new module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36110
diff changeset
327 elif isinstance(rsp, wireprototypes.streamres):
35705
8cdb671dbd0b wireproto: drop support for reader interface from streamres (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 34744
diff changeset
328 gen = rsp.gen
30475
2add671bf55b wireproto: perform chunking and compression at protocol layer (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30376
diff changeset
329
30764
e75463e3179f protocol: send application/mercurial-0.2 responses to capable clients
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
330 # This code for compression should not be streamres specific. It
e75463e3179f protocol: send application/mercurial-0.2 responses to capable clients
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
331 # is here because we only compress streamres at the moment.
36110
341c886e411e wireprotoserver: move responsetype() out of http handler
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36109
diff changeset
332 mediatype, engine, engineopts = _httpresponsetype(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
333 repo.ui, proto, rsp.prefer_uncompressed
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
334 )
35750
a39a9df7ecca wireproto: split streamres into legacy and modern case
Joerg Sonnenberger <joerg@bec.de>
parents: 35705
diff changeset
335 gen = engine.compressstream(gen, engineopts)
30475
2add671bf55b wireproto: perform chunking and compression at protocol layer (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30376
diff changeset
336
35750
a39a9df7ecca wireproto: split streamres into legacy and modern case
Joerg Sonnenberger <joerg@bec.de>
parents: 35705
diff changeset
337 if mediatype == HGTYPE2:
a39a9df7ecca wireproto: split streamres into legacy and modern case
Joerg Sonnenberger <joerg@bec.de>
parents: 35705
diff changeset
338 gen = genversion2(gen, engine, engineopts)
30764
e75463e3179f protocol: send application/mercurial-0.2 responses to capable clients
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30759
diff changeset
339
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
340 setresponse(HTTP_OK, mediatype, bodygen=gen)
36111
cd6ab329c5c7 wireprototypes: move wire protocol response types to new module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36110
diff changeset
341 elif isinstance(rsp, wireprototypes.pushres):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
342 rsp = b'%d\n%s' % (rsp.res, rsp.output)
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
343 setresponse(HTTP_OK, HGTYPE, bodybytes=rsp)
36111
cd6ab329c5c7 wireprototypes: move wire protocol response types to new module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36110
diff changeset
344 elif isinstance(rsp, wireprototypes.pusherr):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
345 rsp = b'0\n%s\n' % rsp.res
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
346 res.drain = True
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
347 setresponse(HTTP_OK, HGTYPE, bodybytes=rsp)
36111
cd6ab329c5c7 wireprototypes: move wire protocol response types to new module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36110
diff changeset
348 elif isinstance(rsp, wireprototypes.ooberror):
36867
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
349 setresponse(HTTP_OK, HGERRTYPE, bodybytes=rsp.message)
a88d68dc3ee8 hgweb: create dedicated type for WSGI responses
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36863
diff changeset
350 else:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
351 raise error.ProgrammingError(b'hgweb.protocol internal failure', rsp)
36025
98a00aa0288d wireprotoserver: move error response handling out of hgweb
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36023
diff changeset
352
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
353
36102
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
354 def _sshv1respondbytes(fout, value):
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
355 """Send a bytes response for protocol version 1."""
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
356 fout.write(b'%d\n' % len(value))
36102
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
357 fout.write(value)
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
358 fout.flush()
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
359
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
360
36102
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
361 def _sshv1respondstream(fout, source):
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
362 write = fout.write
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
363 for chunk in source.gen:
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
364 write(chunk)
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
365 fout.flush()
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
366
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
367
36102
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
368 def _sshv1respondooberror(fout, ferr, rsp):
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
369 ferr.write(b'%s\n-\n' % rsp)
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
370 ferr.flush()
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
371 fout.write(b'\n')
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
372 fout.flush()
5767664d39a5 wireprotoserver: extract SSH response handling functions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36027
diff changeset
373
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
374
52126
1938d72e7a16 wireprotoserver: subclass the new `baseprotocolhandler` Protocol class
Matt Harbison <matt_harbison@yahoo.com>
parents: 51901
diff changeset
375 class sshv1protocolhandler(wireprototypes.baseprotocolhandler):
36103
bf676267f64f wireprotoserver: split ssh protocol handler and server
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36102
diff changeset
376 """Handler for requests services via version 1 of SSH protocol."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
377
36103
bf676267f64f wireprotoserver: split ssh protocol handler and server
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36102
diff changeset
378 def __init__(self, ui, fin, fout):
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
379 self._ui = ui
36103
bf676267f64f wireprotoserver: split ssh protocol handler and server
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36102
diff changeset
380 self._fin = fin
bf676267f64f wireprotoserver: split ssh protocol handler and server
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36102
diff changeset
381 self._fout = fout
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37296
diff changeset
382 self._protocaps = set()
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
383
35913
29759c46aa1a wireprotoserver: make name part of protocol interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35912
diff changeset
384 @property
52126
1938d72e7a16 wireprotoserver: subclass the new `baseprotocolhandler` Protocol class
Matt Harbison <matt_harbison@yahoo.com>
parents: 51901
diff changeset
385 def name(self) -> bytes:
36565
3cd245945ef3 wireprotoserver: move SSHV1 and SSHV2 constants to wireprototypes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36555
diff changeset
386 return wireprototypes.SSHV1
35913
29759c46aa1a wireprotoserver: make name part of protocol interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35912
diff changeset
387
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
388 def getargs(self, args):
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
389 data = {}
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
390 keys = args.split()
49292
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 49037
diff changeset
391 for n in range(len(keys)):
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
392 argline = self._fin.readline()[:-1]
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
393 arg, l = argline.split()
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
394 if arg not in keys:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
395 raise error.Abort(_(b"unexpected parameter %r") % arg)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
396 if arg == b'*':
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
397 star = {}
49292
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 49037
diff changeset
398 for k in range(int(l)):
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
399 argline = self._fin.readline()[:-1]
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
400 arg, l = argline.split()
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
401 val = self._fin.read(int(l))
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
402 star[arg] = val
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
403 data[b'*'] = star
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
404 else:
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
405 val = self._fin.read(int(l))
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
406 data[arg] = val
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
407 return [data[k] for k in keys]
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
408
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37296
diff changeset
409 def getprotocaps(self):
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37296
diff changeset
410 return self._protocaps
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37296
diff changeset
411
37414
2d965bfeb8f6 wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents: 37393
diff changeset
412 def getpayload(self):
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36402
diff changeset
413 # We initially send an empty response. This tells the client it is
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36402
diff changeset
414 # OK to start sending data. If a client sees any other response, it
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36402
diff changeset
415 # interprets it as an error.
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36402
diff changeset
416 _sshv1respondbytes(self._fout, b'')
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36402
diff changeset
417
36108
90ca4986616c wireprotoserver: rename getfile() to forwardpayload() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36107
diff changeset
418 # The file is in the form:
90ca4986616c wireprotoserver: rename getfile() to forwardpayload() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36107
diff changeset
419 #
90ca4986616c wireprotoserver: rename getfile() to forwardpayload() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36107
diff changeset
420 # <chunk size>\n<chunk>
90ca4986616c wireprotoserver: rename getfile() to forwardpayload() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36107
diff changeset
421 # ...
90ca4986616c wireprotoserver: rename getfile() to forwardpayload() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36107
diff changeset
422 # 0\n
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
423 count = int(self._fin.readline())
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
424 while count:
37414
2d965bfeb8f6 wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents: 37393
diff changeset
425 yield self._fin.read(count)
35910
f1efc0caeab7 wireprotoserver: make some instance attributes private
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35909
diff changeset
426 count = int(self._fin.readline())
35899
1bf5263fe5cc wireprotoserver: move sshserver into module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35898
diff changeset
427
36104
2ad145fbde54 wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36103
diff changeset
428 @contextlib.contextmanager
2ad145fbde54 wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36103
diff changeset
429 def mayberedirectstdio(self):
2ad145fbde54 wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36103
diff changeset
430 yield None
2ad145fbde54 wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36103
diff changeset
431
36107
957e773614d0 wireprotoserver: rename _client to client (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36106
diff changeset
432 def client(self):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
433 client = encoding.environ.get(b'SSH_CLIENT', b'').split(b' ', 1)[0]
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
434 return b'remote:ssh:' + client
36103
bf676267f64f wireprotoserver: split ssh protocol handler and server
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36102
diff changeset
435
36642
6e585bca962e wireproto: add transport specific capabilities in the transport
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36639
diff changeset
436 def addcapabilities(self, repo, caps):
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37296
diff changeset
437 if self.name == wireprototypes.SSHV1:
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37296
diff changeset
438 caps.append(b'protocaps')
37056
cd0ca979a8b8 wireproto: nominally don't expose "batch" to version 2 wire transports
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37055
diff changeset
439 caps.append(b'batch')
36642
6e585bca962e wireproto: add transport specific capabilities in the transport
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36639
diff changeset
440 return caps
6e585bca962e wireproto: add transport specific capabilities in the transport
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36639
diff changeset
441
36809
66de4555cefd wireproto: formalize permissions checking as part of protocol interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36808
diff changeset
442 def checkperm(self, perm):
66de4555cefd wireproto: formalize permissions checking as part of protocol interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36808
diff changeset
443 pass
66de4555cefd wireproto: formalize permissions checking as part of protocol interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36808
diff changeset
444
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
445
50481
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50477
diff changeset
446 def _runsshserver(ui, repo, fin, fout, ev, accesshidden=False):
36253
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
447 # This function operates like a state machine of sorts. The following
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
448 # states are defined:
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
449 #
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
450 # protov1-serving
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
451 # Server is in protocol version 1 serving mode. Commands arrive on
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
452 # new lines. These commands are processed in this state, one command
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
453 # after the other.
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
454 #
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
455 # shutdown
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
456 # The server is shutting down, possibly in reaction to a client event.
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
457 #
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
458 # And here are their transitions:
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
459 #
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
460 # protov1-serving -> shutdown
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
461 # When server receives an empty request or encounters another
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
462 # error.
464bedc0fdb4 wireprotoserver: handle SSH protocol version 2 upgrade requests
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36252
diff changeset
463
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
464 state = b'protov1-serving'
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
465 proto = sshv1protocolhandler(ui, fin, fout)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
466
36552
e7411fb7ba7f wireprotoserver: ability to run an SSH server until an event is set
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
467 while not ev.is_set():
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
468 if state == b'protov1-serving':
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
469 # Commands are issued on new lines.
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
470 request = fin.readline()[:-1]
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
471
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
472 # Empty lines signal to terminate the connection.
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
473 if not request:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
474 state = b'shutdown'
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
475 continue
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
476
37785
b4d85bc122bd wireproto: rename wireproto to wireprotov1server (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37783
diff changeset
477 available = wireprotov1server.commands.commandavailable(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
478 request, proto
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
479 )
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
480
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
481 # This command isn't available. Send an empty response and go
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
482 # back to waiting for a new command.
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
483 if not available:
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
484 _sshv1respondbytes(fout, b'')
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
485 continue
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
486
50481
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50477
diff changeset
487 rsp = wireprotov1server.dispatch(
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50477
diff changeset
488 repo, proto, request, accesshidden=accesshidden
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50477
diff changeset
489 )
42902
7e19b640c53e sshserver: flush stream after command dispatch
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42824
diff changeset
490 repo.ui.fout.flush()
7e19b640c53e sshserver: flush stream after command dispatch
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42824
diff changeset
491 repo.ui.ferr.flush()
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
492
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
493 if isinstance(rsp, bytes):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
494 _sshv1respondbytes(fout, rsp)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
495 elif isinstance(rsp, wireprototypes.bytesresponse):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
496 _sshv1respondbytes(fout, rsp.data)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
497 elif isinstance(rsp, wireprototypes.streamres):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
498 _sshv1respondstream(fout, rsp)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
499 elif isinstance(rsp, wireprototypes.streamreslegacy):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
500 _sshv1respondstream(fout, rsp)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
501 elif isinstance(rsp, wireprototypes.pushres):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
502 _sshv1respondbytes(fout, b'')
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
503 _sshv1respondbytes(fout, b'%d' % rsp.res)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
504 elif isinstance(rsp, wireprototypes.pusherr):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
505 _sshv1respondbytes(fout, rsp.res)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
506 elif isinstance(rsp, wireprototypes.ooberror):
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
507 _sshv1respondooberror(fout, ui.ferr, rsp.message)
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
508 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
509 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
510 b'unhandled response type from '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
511 b'wire protocol command: %s' % rsp
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
512 )
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
513
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
514 elif state == b'shutdown':
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
515 break
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
516
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
517 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
518 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
519 b'unhandled ssh server state: %s' % state
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
520 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42902
diff changeset
521
36252
3b3a987bbbaa wireprotoserver: move SSH server operation to a standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36251
diff changeset
522
49037
642e31cb55f0 py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48966
diff changeset
523 class sshserver:
50481
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524 def __init__(self, ui, repo, logfh=None, accesshidden=False):
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525 self._ui = ui
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526 self._repo = repo
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527 self._accesshidden = accesshidden
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528 self._logfh = logfh
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529
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530 def serve_forever(self):
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531 self.serveuntil(threading.Event())
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532
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533 def serveuntil(self, ev):
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534 """Serve until a threading.Event is set."""
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535 with self._ui.protectedfinout() as (fin, fout):
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536 if self._logfh:
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537 # Log write I/O to stdout and stderr if configured.
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538 fout = util.makeloggingfileobject(
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539 self._logfh,
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Arseniy Alekseyev <aalekseyev@janestreet.com>
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540 fout,
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541 b'o',
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542 logdata=True,
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parents: 50481
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543 )
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544 self._ui.ferr = util.makeloggingfileobject(
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parents: 50481
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545 self._logfh,
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546 self._ui.ferr,
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547 b'e',
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548 logdata=True,
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549 )
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550 _runsshserver(
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parents: 50481
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551 self._ui,
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Arseniy Alekseyev <aalekseyev@janestreet.com>
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552 self._repo,
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553 fin,
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554 fout,
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555 ev,
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556 self._accesshidden,
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557 )