Show More
@@ -1,243 +1,243 b'' | |||
|
1 | 1 | # httprepo.py - HTTP repository proxy classes for mercurial |
|
2 | 2 | # |
|
3 | 3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
|
4 | 4 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
|
5 | 5 | # |
|
6 | 6 | # This software may be used and distributed according to the terms |
|
7 | 7 | # of the GNU General Public License, incorporated herein by reference. |
|
8 | 8 | |
|
9 | 9 | from node import bin, hex, nullid |
|
10 | 10 | from i18n import _ |
|
11 | 11 | import repo, os, urllib, urllib2, urlparse, zlib, util, httplib |
|
12 | 12 | import errno, socket, changegroup, statichttprepo, error, url |
|
13 | 13 | |
|
14 | 14 | def zgenerator(f): |
|
15 | 15 | zd = zlib.decompressobj() |
|
16 | 16 | try: |
|
17 | 17 | for chunk in util.filechunkiter(f): |
|
18 | 18 | yield zd.decompress(chunk) |
|
19 | 19 | except httplib.HTTPException: |
|
20 | 20 | raise IOError(None, _('connection ended unexpectedly')) |
|
21 | 21 | yield zd.flush() |
|
22 | 22 | |
|
23 | 23 | class httprepository(repo.repository): |
|
24 | 24 | def __init__(self, ui, path): |
|
25 | 25 | self.path = path |
|
26 | 26 | self.caps = None |
|
27 | 27 | self.handler = None |
|
28 | 28 | scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path) |
|
29 | 29 | if query or frag: |
|
30 | 30 | raise util.Abort(_('unsupported URL component: "%s"') % |
|
31 | 31 | (query or frag)) |
|
32 | 32 | |
|
33 | 33 | # urllib cannot handle URLs with embedded user or passwd |
|
34 | 34 | self._url, authinfo = url.getauthinfo(path) |
|
35 | 35 | |
|
36 | 36 | self.ui = ui |
|
37 | 37 | self.ui.debug(_('using %s\n') % self._url) |
|
38 | 38 | |
|
39 | 39 | self.urlopener = url.opener(ui, authinfo) |
|
40 | 40 | |
|
41 | 41 | def __del__(self): |
|
42 | 42 | for h in self.urlopener.handlers: |
|
43 | 43 | h.close() |
|
44 | 44 | if hasattr(h, "close_all"): |
|
45 | 45 | h.close_all() |
|
46 | 46 | |
|
47 | 47 | def url(self): |
|
48 | 48 | return self.path |
|
49 | 49 | |
|
50 | 50 | # look up capabilities only when needed |
|
51 | 51 | |
|
52 | 52 | def get_caps(self): |
|
53 | 53 | if self.caps is None: |
|
54 | 54 | try: |
|
55 | 55 | self.caps = util.set(self.do_read('capabilities').split()) |
|
56 | 56 | except error.RepoError: |
|
57 | 57 | self.caps = util.set() |
|
58 | 58 | self.ui.debug(_('capabilities: %s\n') % |
|
59 | 59 | (' '.join(self.caps or ['none']))) |
|
60 | 60 | return self.caps |
|
61 | 61 | |
|
62 | 62 | capabilities = property(get_caps) |
|
63 | 63 | |
|
64 | 64 | def lock(self): |
|
65 | 65 | raise util.Abort(_('operation not supported over http')) |
|
66 | 66 | |
|
67 | 67 | def do_cmd(self, cmd, **args): |
|
68 | 68 | data = args.pop('data', None) |
|
69 | 69 | headers = args.pop('headers', {}) |
|
70 | 70 | self.ui.debug(_("sending %s command\n") % cmd) |
|
71 | 71 | q = {"cmd": cmd} |
|
72 | 72 | q.update(args) |
|
73 | 73 | qs = '?%s' % urllib.urlencode(q) |
|
74 | 74 | cu = "%s%s" % (self._url, qs) |
|
75 | 75 | try: |
|
76 | 76 | if data: |
|
77 | 77 | self.ui.debug(_("sending %s bytes\n") % len(data)) |
|
78 | 78 | resp = self.urlopener.open(urllib2.Request(cu, data, headers)) |
|
79 | 79 | except urllib2.HTTPError, inst: |
|
80 | 80 | if inst.code == 401: |
|
81 | 81 | raise util.Abort(_('authorization failed')) |
|
82 | 82 | raise |
|
83 | 83 | except httplib.HTTPException, inst: |
|
84 | 84 | self.ui.debug(_('http error while sending %s command\n') % cmd) |
|
85 | 85 | self.ui.print_exc() |
|
86 | 86 | raise IOError(None, inst) |
|
87 | 87 | except IndexError: |
|
88 | 88 | # this only happens with Python 2.3, later versions raise URLError |
|
89 | 89 | raise util.Abort(_('http error, possibly caused by proxy setting')) |
|
90 | 90 | # record the url we got redirected to |
|
91 | 91 | resp_url = resp.geturl() |
|
92 | 92 | if resp_url.endswith(qs): |
|
93 | 93 | resp_url = resp_url[:-len(qs)] |
|
94 | 94 | if self._url != resp_url: |
|
95 | 95 | self.ui.status(_('real URL is %s\n') % resp_url) |
|
96 | 96 | self._url = resp_url |
|
97 | 97 | try: |
|
98 | 98 | proto = resp.getheader('content-type') |
|
99 | 99 | except AttributeError: |
|
100 | 100 | proto = resp.headers['content-type'] |
|
101 | 101 | |
|
102 | 102 | # accept old "text/plain" and "application/hg-changegroup" for now |
|
103 | 103 | if not (proto.startswith('application/mercurial-') or |
|
104 | 104 | proto.startswith('text/plain') or |
|
105 | 105 | proto.startswith('application/hg-changegroup')): |
|
106 |
self.ui.debug(_(" |
|
|
106 | self.ui.debug(_("requested URL: '%s'\n") % cu) | |
|
107 | 107 | raise error.RepoError(_("'%s' does not appear to be an hg repository") |
|
108 | 108 | % self._url) |
|
109 | 109 | |
|
110 | 110 | if proto.startswith('application/mercurial-'): |
|
111 | 111 | try: |
|
112 | 112 | version = proto.split('-', 1)[1] |
|
113 | 113 | version_info = tuple([int(n) for n in version.split('.')]) |
|
114 | 114 | except ValueError: |
|
115 | 115 | raise error.RepoError(_("'%s' sent a broken Content-Type " |
|
116 | 116 | "header (%s)") % (self._url, proto)) |
|
117 | 117 | if version_info > (0, 1): |
|
118 | 118 | raise error.RepoError(_("'%s' uses newer protocol %s") % |
|
119 | 119 | (self._url, version)) |
|
120 | 120 | |
|
121 | 121 | return resp |
|
122 | 122 | |
|
123 | 123 | def do_read(self, cmd, **args): |
|
124 | 124 | fp = self.do_cmd(cmd, **args) |
|
125 | 125 | try: |
|
126 | 126 | return fp.read() |
|
127 | 127 | finally: |
|
128 | 128 | # if using keepalive, allow connection to be reused |
|
129 | 129 | fp.close() |
|
130 | 130 | |
|
131 | 131 | def lookup(self, key): |
|
132 | 132 | self.requirecap('lookup', _('look up remote revision')) |
|
133 | 133 | d = self.do_cmd("lookup", key = key).read() |
|
134 | 134 | success, data = d[:-1].split(' ', 1) |
|
135 | 135 | if int(success): |
|
136 | 136 | return bin(data) |
|
137 | 137 | raise error.RepoError(data) |
|
138 | 138 | |
|
139 | 139 | def heads(self): |
|
140 | 140 | d = self.do_read("heads") |
|
141 | 141 | try: |
|
142 | 142 | return map(bin, d[:-1].split(" ")) |
|
143 | 143 | except: |
|
144 | 144 | raise error.ResponseError(_("unexpected response:"), d) |
|
145 | 145 | |
|
146 | 146 | def branches(self, nodes): |
|
147 | 147 | n = " ".join(map(hex, nodes)) |
|
148 | 148 | d = self.do_read("branches", nodes=n) |
|
149 | 149 | try: |
|
150 | 150 | br = [ tuple(map(bin, b.split(" "))) for b in d.splitlines() ] |
|
151 | 151 | return br |
|
152 | 152 | except: |
|
153 | 153 | raise error.ResponseError(_("unexpected response:"), d) |
|
154 | 154 | |
|
155 | 155 | def between(self, pairs): |
|
156 | 156 | batch = 8 # avoid giant requests |
|
157 | 157 | r = [] |
|
158 | 158 | for i in xrange(0, len(pairs), batch): |
|
159 | 159 | n = " ".join(["-".join(map(hex, p)) for p in pairs[i:i + batch]]) |
|
160 | 160 | d = self.do_read("between", pairs=n) |
|
161 | 161 | try: |
|
162 | 162 | r += [ l and map(bin, l.split(" ")) or [] for l in d.splitlines() ] |
|
163 | 163 | except: |
|
164 | 164 | raise error.ResponseError(_("unexpected response:"), d) |
|
165 | 165 | return r |
|
166 | 166 | |
|
167 | 167 | def changegroup(self, nodes, kind): |
|
168 | 168 | n = " ".join(map(hex, nodes)) |
|
169 | 169 | f = self.do_cmd("changegroup", roots=n) |
|
170 | 170 | return util.chunkbuffer(zgenerator(f)) |
|
171 | 171 | |
|
172 | 172 | def changegroupsubset(self, bases, heads, source): |
|
173 | 173 | self.requirecap('changegroupsubset', _('look up remote changes')) |
|
174 | 174 | baselst = " ".join([hex(n) for n in bases]) |
|
175 | 175 | headlst = " ".join([hex(n) for n in heads]) |
|
176 | 176 | f = self.do_cmd("changegroupsubset", bases=baselst, heads=headlst) |
|
177 | 177 | return util.chunkbuffer(zgenerator(f)) |
|
178 | 178 | |
|
179 | 179 | def unbundle(self, cg, heads, source): |
|
180 | 180 | # have to stream bundle to a temp file because we do not have |
|
181 | 181 | # http 1.1 chunked transfer. |
|
182 | 182 | |
|
183 | 183 | type = "" |
|
184 | 184 | types = self.capable('unbundle') |
|
185 | 185 | # servers older than d1b16a746db6 will send 'unbundle' as a |
|
186 | 186 | # boolean capability |
|
187 | 187 | try: |
|
188 | 188 | types = types.split(',') |
|
189 | 189 | except AttributeError: |
|
190 | 190 | types = [""] |
|
191 | 191 | if types: |
|
192 | 192 | for x in types: |
|
193 | 193 | if x in changegroup.bundletypes: |
|
194 | 194 | type = x |
|
195 | 195 | break |
|
196 | 196 | |
|
197 | 197 | tempname = changegroup.writebundle(cg, None, type) |
|
198 | 198 | fp = url.httpsendfile(tempname, "rb") |
|
199 | 199 | try: |
|
200 | 200 | try: |
|
201 | 201 | resp = self.do_read( |
|
202 | 202 | 'unbundle', data=fp, |
|
203 | 203 | headers={'Content-Type': 'application/octet-stream'}, |
|
204 | 204 | heads=' '.join(map(hex, heads))) |
|
205 | 205 | resp_code, output = resp.split('\n', 1) |
|
206 | 206 | try: |
|
207 | 207 | ret = int(resp_code) |
|
208 | 208 | except ValueError, err: |
|
209 | 209 | raise error.ResponseError( |
|
210 | 210 | _('push failed (unexpected response):'), resp) |
|
211 | 211 | self.ui.write(output) |
|
212 | 212 | return ret |
|
213 | 213 | except socket.error, err: |
|
214 | 214 | if err[0] in (errno.ECONNRESET, errno.EPIPE): |
|
215 | 215 | raise util.Abort(_('push failed: %s') % err[1]) |
|
216 | 216 | raise util.Abort(err[1]) |
|
217 | 217 | finally: |
|
218 | 218 | fp.close() |
|
219 | 219 | os.unlink(tempname) |
|
220 | 220 | |
|
221 | 221 | def stream_out(self): |
|
222 | 222 | return self.do_cmd('stream_out') |
|
223 | 223 | |
|
224 | 224 | class httpsrepository(httprepository): |
|
225 | 225 | def __init__(self, ui, path): |
|
226 | 226 | if not url.has_https: |
|
227 | 227 | raise util.Abort(_('Python support for SSL and HTTPS ' |
|
228 | 228 | 'is not installed')) |
|
229 | 229 | httprepository.__init__(self, ui, path) |
|
230 | 230 | |
|
231 | 231 | def instance(ui, path, create): |
|
232 | 232 | if create: |
|
233 | 233 | raise util.Abort(_('cannot create new http repository')) |
|
234 | 234 | try: |
|
235 | 235 | if path.startswith('https:'): |
|
236 | 236 | inst = httpsrepository(ui, path) |
|
237 | 237 | else: |
|
238 | 238 | inst = httprepository(ui, path) |
|
239 | 239 | inst.between([(nullid, nullid)]) |
|
240 | 240 | return inst |
|
241 | 241 | except error.RepoError: |
|
242 | 242 | ui.note('(falling back to static-http)\n') |
|
243 | 243 | return statichttprepo.instance(ui, "static-" + path, create) |
General Comments 0
You need to be logged in to leave comments.
Login now