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Commit | Line | Data |
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d08808bc | 1 | package PVE::APIServer::AnyEvent; |
d8218001 | 2 | |
8d88baec DM |
3 | # Note 1: interactions with Crypt::OpenSSL::RSA |
4 | # | |
5 | # Some handlers (auth_handler) use Crypt::OpenSSL::RSA, which seems to | |
6 | # set the openssl error variable. We need to clear that here, else | |
7 | # AnyEvent::TLS aborts the connection. | |
8 | # Net::SSLeay::ERR_clear_error(); | |
9 | ||
d8218001 DM |
10 | use strict; |
11 | use warnings; | |
12 | use Time::HiRes qw(usleep ualarm gettimeofday tv_interval); | |
13 | use Socket qw(IPPROTO_TCP TCP_NODELAY SOMAXCONN); | |
14 | use POSIX qw(strftime EINTR EAGAIN); | |
15 | use Fcntl; | |
16 | use IO::File; | |
17 | use File::stat qw(); | |
911ede9b | 18 | use File::Find; |
d8218001 DM |
19 | use MIME::Base64; |
20 | use Digest::MD5; | |
21 | use Digest::SHA; | |
22 | # use AnyEvent::Strict; # only use this for debugging | |
23 | use AnyEvent::Util qw(guard fh_nonblocking WSAEWOULDBLOCK WSAEINPROGRESS); | |
24 | use AnyEvent::Socket; | |
25 | use AnyEvent::Handle; | |
26 | use Net::SSLeay; | |
27 | use AnyEvent::TLS; | |
28 | use AnyEvent::IO; | |
29 | use AnyEvent::HTTP; | |
30 | use Fcntl (); | |
31 | use Compress::Zlib; | |
256da581 | 32 | use Encode; |
d8218001 DM |
33 | use PVE::SafeSyslog; |
34 | use PVE::INotify; | |
35 | use PVE::Tools; | |
63307beb | 36 | use PVE::APIServer::Formatter; |
d8218001 DM |
37 | |
38 | use Net::IP; | |
39 | use URI; | |
40 | use URI::Escape; | |
41 | use HTTP::Status qw(:constants); | |
42 | use HTTP::Date; | |
43 | use HTTP::Headers; | |
44 | use HTTP::Request; | |
45 | use HTTP::Response; | |
46 | use Data::Dumper; | |
3e05f166 | 47 | use JSON; |
d8218001 DM |
48 | |
49 | my $limit_max_headers = 30; | |
50 | my $limit_max_header_size = 8*1024; | |
967dcb76 | 51 | my $limit_max_post = 64*1024; |
d8218001 | 52 | |
d8218001 DM |
53 | my $known_methods = { |
54 | GET => 1, | |
55 | POST => 1, | |
56 | PUT => 1, | |
57 | DELETE => 1, | |
58 | }; | |
59 | ||
60 | my $split_abs_uri = sub { | |
61 | my ($abs_uri, $base_uri) = @_; | |
62 | ||
63 | my ($format, $rel_uri) = $abs_uri =~ m/^\Q$base_uri\E\/+([a-z][a-z0-9]+)(\/.*)?$/; | |
64 | $rel_uri = '/' if !$rel_uri; | |
65 | ||
66 | return wantarray ? ($rel_uri, $format) : $rel_uri; | |
67 | }; | |
68 | ||
d8218001 DM |
69 | sub log_request { |
70 | my ($self, $reqstate) = @_; | |
71 | ||
72 | my $loginfo = $reqstate->{log}; | |
73 | ||
74 | # like apache2 common log format | |
75 | # LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"" | |
76 | ||
77 | return if $loginfo->{written}; # avoid duplicate logs | |
78 | $loginfo->{written} = 1; | |
79 | ||
80 | my $peerip = $reqstate->{peer_host} || '-'; | |
81 | my $userid = $loginfo->{userid} || '-'; | |
82 | my $content_length = defined($loginfo->{content_length}) ? $loginfo->{content_length} : '-'; | |
83 | my $code = $loginfo->{code} || 500; | |
84 | my $requestline = $loginfo->{requestline} || '-'; | |
2fd728c9 | 85 | my $timestr = strftime("%d/%m/%Y:%H:%M:%S %z", localtime()); |
d8218001 DM |
86 | |
87 | my $msg = "$peerip - $userid [$timestr] \"$requestline\" $code $content_length\n"; | |
88 | ||
89 | $self->write_log($msg); | |
90 | } | |
91 | ||
92 | sub log_aborted_request { | |
93 | my ($self, $reqstate, $error) = @_; | |
94 | ||
95 | my $r = $reqstate->{request}; | |
96 | return if !$r; # no active request | |
97 | ||
98 | if ($error) { | |
99 | syslog("err", "problem with client $reqstate->{peer_host}; $error"); | |
100 | } | |
101 | ||
102 | $self->log_request($reqstate); | |
103 | } | |
104 | ||
d8218001 DM |
105 | sub cleanup_reqstate { |
106 | my ($reqstate) = @_; | |
107 | ||
108 | delete $reqstate->{log}; | |
109 | delete $reqstate->{request}; | |
110 | delete $reqstate->{proto}; | |
111 | delete $reqstate->{accept_gzip}; | |
112 | delete $reqstate->{starttime}; | |
113 | ||
114 | if ($reqstate->{tmpfilename}) { | |
115 | unlink $reqstate->{tmpfilename}; | |
116 | delete $reqstate->{tmpfilename}; | |
117 | } | |
118 | } | |
119 | ||
120 | sub client_do_disconnect { | |
121 | my ($self, $reqstate) = @_; | |
122 | ||
123 | cleanup_reqstate($reqstate); | |
124 | ||
125 | my $shutdown_hdl = sub { | |
126 | my $hdl = shift; | |
127 | ||
128 | shutdown($hdl->{fh}, 1); | |
129 | # clear all handlers | |
130 | $hdl->on_drain(undef); | |
131 | $hdl->on_read(undef); | |
132 | $hdl->on_eof(undef); | |
133 | }; | |
134 | ||
135 | if (my $proxyhdl = delete $reqstate->{proxyhdl}) { | |
136 | &$shutdown_hdl($proxyhdl); | |
137 | } | |
138 | ||
139 | my $hdl = delete $reqstate->{hdl}; | |
140 | ||
141 | if (!$hdl) { | |
142 | syslog('err', "detected empty handle"); | |
143 | return; | |
144 | } | |
145 | ||
146 | print "close connection $hdl\n" if $self->{debug}; | |
147 | ||
148 | &$shutdown_hdl($hdl); | |
149 | ||
150 | $self->{conn_count}--; | |
151 | ||
152 | print "$$: CLOSE FH" . $hdl->{fh}->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; | |
153 | } | |
154 | ||
155 | sub finish_response { | |
156 | my ($self, $reqstate) = @_; | |
157 | ||
d8218001 DM |
158 | cleanup_reqstate($reqstate); |
159 | ||
133e0586 DM |
160 | my $hdl = $reqstate->{hdl}; |
161 | return if !$hdl; # already disconnected | |
162 | ||
d8218001 DM |
163 | if (!$self->{end_loop} && $reqstate->{keep_alive} > 0) { |
164 | # print "KEEPALIVE $reqstate->{keep_alive}\n" if $self->{debug}; | |
165 | $hdl->on_read(sub { | |
166 | eval { $self->push_request_header($reqstate); }; | |
167 | warn $@ if $@; | |
168 | }); | |
169 | } else { | |
170 | $hdl->on_drain (sub { | |
171 | eval { | |
172 | $self->client_do_disconnect($reqstate); | |
173 | }; | |
174 | warn $@ if $@; | |
175 | }); | |
176 | } | |
177 | } | |
178 | ||
179 | sub response { | |
180 | my ($self, $reqstate, $resp, $mtime, $nocomp, $delay) = @_; | |
181 | ||
182 | #print "$$: send response: " . Dumper($resp); | |
183 | ||
184 | # activate timeout | |
185 | $reqstate->{hdl}->timeout_reset(); | |
186 | $reqstate->{hdl}->timeout($self->{timeout}); | |
187 | ||
025b3038 | 188 | $nocomp = 1 if !$self->{compression}; |
d8218001 DM |
189 | $nocomp = 1 if !$reqstate->{accept_gzip}; |
190 | ||
191 | my $code = $resp->code; | |
192 | my $msg = $resp->message || HTTP::Status::status_message($code); | |
193 | ($msg) = $msg =~m/^(.*)$/m; | |
194 | my $content = $resp->content; | |
195 | ||
196 | if ($code =~ /^(1\d\d|[23]04)$/) { | |
197 | # make sure content we have no content | |
198 | $content = ""; | |
199 | } | |
200 | ||
201 | $reqstate->{keep_alive} = 0 if ($code >= 400) || $self->{end_loop}; | |
202 | ||
203 | $reqstate->{log}->{code} = $code; | |
204 | ||
205 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; | |
206 | my $res = "$proto $code $msg\015\012"; | |
207 | ||
208 | my $ctime = time(); | |
209 | my $date = HTTP::Date::time2str($ctime); | |
210 | $resp->header('Date' => $date); | |
211 | if ($mtime) { | |
212 | $resp->header('Last-Modified' => HTTP::Date::time2str($mtime)); | |
213 | } else { | |
214 | $resp->header('Expires' => $date); | |
215 | $resp->header('Cache-Control' => "max-age=0"); | |
216 | $resp->header("Pragma", "no-cache"); | |
217 | } | |
218 | ||
219 | $resp->header('Server' => "pve-api-daemon/3.0"); | |
220 | ||
221 | my $content_length; | |
222 | if ($content) { | |
223 | ||
224 | $content_length = length($content); | |
225 | ||
226 | if (!$nocomp && ($content_length > 1024)) { | |
227 | my $comp = Compress::Zlib::memGzip($content); | |
228 | $resp->header('Content-Encoding', 'gzip'); | |
229 | $content = $comp; | |
230 | $content_length = length($content); | |
231 | } | |
232 | $resp->header("Content-Length" => $content_length); | |
233 | $reqstate->{log}->{content_length} = $content_length; | |
234 | ||
235 | } else { | |
236 | $resp->remove_header("Content-Length"); | |
237 | } | |
238 | ||
239 | if ($reqstate->{keep_alive} > 0) { | |
240 | $resp->push_header('Connection' => 'Keep-Alive'); | |
241 | } else { | |
242 | $resp->header('Connection' => 'close'); | |
243 | } | |
244 | ||
245 | $res .= $resp->headers_as_string("\015\012"); | |
246 | #print "SEND(without content) $res\n" if $self->{debug}; | |
247 | ||
248 | $res .= "\015\012"; | |
249 | $res .= $content if $content; | |
250 | ||
251 | $self->log_request($reqstate, $reqstate->{request}); | |
5f14e56e | 252 | |
d8218001 DM |
253 | if ($delay && $delay > 0) { |
254 | my $w; $w = AnyEvent->timer(after => $delay, cb => sub { | |
255 | undef $w; # delete reference | |
256 | $reqstate->{hdl}->push_write($res); | |
257 | $self->finish_response($reqstate); | |
258 | }); | |
259 | } else { | |
260 | $reqstate->{hdl}->push_write($res); | |
261 | $self->finish_response($reqstate); | |
262 | } | |
263 | } | |
264 | ||
265 | sub error { | |
266 | my ($self, $reqstate, $code, $msg, $hdr, $content) = @_; | |
267 | ||
268 | eval { | |
269 | my $resp = HTTP::Response->new($code, $msg, $hdr, $content); | |
270 | $self->response($reqstate, $resp); | |
271 | }; | |
272 | warn $@ if $@; | |
273 | } | |
274 | ||
275 | my $file_extension_info = { | |
276 | css => { ct => 'text/css' }, | |
277 | html => { ct => 'text/html' }, | |
278 | js => { ct => 'application/javascript' }, | |
3d12de14 | 279 | json => { ct => 'application/json' }, |
b1e84aa3 | 280 | map => { ct => 'application/json' }, |
d8218001 DM |
281 | png => { ct => 'image/png' , nocomp => 1 }, |
282 | ico => { ct => 'image/x-icon', nocomp => 1}, | |
283 | gif => { ct => 'image/gif', nocomp => 1}, | |
3d12de14 | 284 | svg => { ct => 'image/svg+xml' }, |
d8218001 DM |
285 | jar => { ct => 'application/java-archive', nocomp => 1}, |
286 | woff => { ct => 'application/font-woff', nocomp => 1}, | |
287 | woff2 => { ct => 'application/font-woff2', nocomp => 1}, | |
288 | ttf => { ct => 'application/font-snft', nocomp => 1}, | |
289 | pdf => { ct => 'application/pdf', nocomp => 1}, | |
290 | epub => { ct => 'application/epub+zip', nocomp => 1}, | |
3d12de14 DC |
291 | mp3 => { ct => 'audio/mpeg', nocomp => 1}, |
292 | oga => { ct => 'audio/ogg', nocomp => 1}, | |
80d61dd6 | 293 | tgz => { ct => 'application/x-compressed-tar', nocomp => 1}, |
d8218001 DM |
294 | }; |
295 | ||
296 | sub send_file_start { | |
05e777bc | 297 | my ($self, $reqstate, $download) = @_; |
d8218001 DM |
298 | |
299 | eval { | |
300 | # print "SEND FILE $filename\n"; | |
301 | # Note: aio_load() this is not really async unless we use IO::AIO! | |
302 | eval { | |
303 | ||
304 | my $r = $reqstate->{request}; | |
305 | ||
05e777bc DC |
306 | my $fh; |
307 | my $nocomp; | |
308 | my $mime; | |
309 | ||
310 | if (ref($download) eq 'HASH') { | |
311 | $fh = $download->{fh}; | |
312 | $mime = $download->{'content-type'}; | |
313 | } else { | |
314 | my $filename = $download; | |
315 | $fh = IO::File->new($filename, '<') || | |
316 | die "unable to open file '$filename' - $!\n"; | |
317 | ||
318 | my ($ext) = $filename =~ m/\.([^.]*)$/; | |
319 | my $ext_info = $file_extension_info->{$ext}; | |
320 | ||
321 | die "unable to detect content type" if !$ext_info; | |
322 | $mime = $ext_info->{ct}; | |
323 | $nocomp = $ext_info->{nocomp}; | |
324 | } | |
325 | ||
d8218001 DM |
326 | my $stat = File::stat::stat($fh) || |
327 | die "$!\n"; | |
5f14e56e | 328 | |
d8218001 DM |
329 | my $mtime = $stat->mtime; |
330 | ||
331 | if (my $ifmod = $r->header('if-modified-since')) { | |
332 | my $iftime = HTTP::Date::str2time($ifmod); | |
333 | if ($mtime <= $iftime) { | |
334 | my $resp = HTTP::Response->new(304, "NOT MODIFIED"); | |
335 | $self->response($reqstate, $resp, $mtime); | |
336 | return; | |
337 | } | |
338 | } | |
339 | ||
340 | my $data; | |
341 | my $len = sysread($fh, $data, $stat->size); | |
342 | die "got short file\n" if !defined($len) || $len != $stat->size; | |
343 | ||
05e777bc | 344 | my $header = HTTP::Headers->new(Content_Type => $mime); |
d8218001 | 345 | my $resp = HTTP::Response->new(200, "OK", $header, $data); |
05e777bc | 346 | $self->response($reqstate, $resp, $mtime, $nocomp); |
d8218001 DM |
347 | }; |
348 | if (my $err = $@) { | |
349 | $self->error($reqstate, 501, $err); | |
350 | } | |
351 | }; | |
352 | ||
353 | warn $@ if $@; | |
354 | } | |
355 | ||
356 | sub websocket_proxy { | |
357 | my ($self, $reqstate, $wsaccept, $wsproto, $param) = @_; | |
358 | ||
359 | eval { | |
360 | my $remhost; | |
361 | my $remport; | |
362 | ||
ed8d2557 | 363 | my $max_payload_size = 128*1024; |
d8218001 DM |
364 | |
365 | my $binary; | |
366 | if ($wsproto eq 'binary') { | |
367 | $binary = 1; | |
368 | } elsif ($wsproto eq 'base64') { | |
369 | $binary = 0; | |
370 | } else { | |
371 | die "websocket_proxy: unsupported protocol '$wsproto'\n"; | |
372 | } | |
373 | ||
374 | if ($param->{port}) { | |
375 | $remhost = 'localhost'; | |
376 | $remport = $param->{port}; | |
377 | } elsif ($param->{socket}) { | |
378 | $remhost = 'unix/'; | |
379 | $remport = $param->{socket}; | |
380 | } else { | |
381 | die "websocket_proxy: missing port or socket\n"; | |
382 | } | |
383 | ||
c3bd22ec FG |
384 | my $encode = sub { |
385 | my ($data, $opcode) = @_; | |
386 | ||
387 | my $string; | |
388 | my $payload; | |
389 | if ($binary) { | |
390 | $string = $opcode ? $opcode : "\x82"; # binary frame | |
391 | $payload = $$data; | |
392 | } else { | |
393 | $string = $opcode ? $opcode : "\x81"; # text frame | |
394 | $payload = encode_base64($$data, ''); | |
395 | } | |
396 | ||
397 | my $payload_len = length($payload); | |
398 | if ($payload_len <= 125) { | |
399 | $string .= pack 'C', $payload_len; | |
400 | } elsif ($payload_len <= 0xffff) { | |
401 | $string .= pack 'C', 126; | |
402 | $string .= pack 'n', $payload_len; | |
403 | } else { | |
404 | $string .= pack 'C', 127; | |
405 | $string .= pack 'Q>', $payload_len; | |
406 | } | |
407 | $string .= $payload; | |
408 | return $string; | |
409 | }; | |
410 | ||
d8218001 | 411 | tcp_connect $remhost, $remport, sub { |
5f14e56e | 412 | my ($fh) = @_ |
d8218001 | 413 | or die "connect to '$remhost:$remport' failed: $!"; |
5f14e56e | 414 | |
d8218001 DM |
415 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; |
416 | ||
417 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( | |
418 | fh => $fh, | |
cdb69327 | 419 | rbuf_max => $max_payload_size, |
ed8d2557 | 420 | wbuf_max => $max_payload_size*5, |
d8218001 DM |
421 | timeout => 5, |
422 | on_eof => sub { | |
423 | my ($hdl) = @_; | |
424 | eval { | |
425 | $self->log_aborted_request($reqstate); | |
426 | $self->client_do_disconnect($reqstate); | |
427 | }; | |
428 | if (my $err = $@) { syslog('err', $err); } | |
429 | }, | |
430 | on_error => sub { | |
431 | my ($hdl, $fatal, $message) = @_; | |
432 | eval { | |
433 | $self->log_aborted_request($reqstate, $message); | |
434 | $self->client_do_disconnect($reqstate); | |
435 | }; | |
436 | if (my $err = $@) { syslog('err', "$err"); } | |
437 | }); | |
438 | ||
439 | my $proxyhdlreader = sub { | |
440 | my ($hdl) = @_; | |
5f14e56e | 441 | |
d8218001 | 442 | my $len = length($hdl->{rbuf}); |
cdb69327 | 443 | my $data = substr($hdl->{rbuf}, 0, $len > $max_payload_size ? $max_payload_size : $len, ''); |
d8218001 | 444 | |
c3bd22ec | 445 | my $string = $encode->(\$data); |
d8218001 DM |
446 | |
447 | $reqstate->{hdl}->push_write($string) if $reqstate->{hdl}; | |
448 | }; | |
449 | ||
450 | my $hdlreader = sub { | |
451 | my ($hdl) = @_; | |
452 | ||
ed979f7a RJ |
453 | while (my $len = length($hdl->{rbuf})) { |
454 | return if $len < 2; | |
d8218001 | 455 | |
ed979f7a RJ |
456 | my $hdr = unpack('C', substr($hdl->{rbuf}, 0, 1)); |
457 | my $opcode = $hdr & 0b00001111; | |
458 | my $fin = $hdr & 0b10000000; | |
d8218001 | 459 | |
ed979f7a | 460 | die "received fragmented websocket frame\n" if !$fin; |
d8218001 | 461 | |
ed979f7a RJ |
462 | my $rsv = $hdr & 0b01110000; |
463 | die "received websocket frame with RSV flags\n" if $rsv; | |
d8218001 | 464 | |
ed979f7a | 465 | my $payload_len = unpack 'C', substr($hdl->{rbuf}, 1, 1); |
d8218001 | 466 | |
ed979f7a RJ |
467 | my $masked = $payload_len & 0b10000000; |
468 | die "received unmasked websocket frame from client\n" if !$masked; | |
d8218001 | 469 | |
ed979f7a RJ |
470 | my $offset = 2; |
471 | $payload_len = $payload_len & 0b01111111; | |
472 | if ($payload_len == 126) { | |
473 | return if $len < 4; | |
474 | $payload_len = unpack('n', substr($hdl->{rbuf}, $offset, 2)); | |
475 | $offset += 2; | |
476 | } elsif ($payload_len == 127) { | |
477 | return if $len < 10; | |
478 | $payload_len = unpack('Q>', substr($hdl->{rbuf}, $offset, 8)); | |
479 | $offset += 8; | |
480 | } | |
d8218001 | 481 | |
ed979f7a RJ |
482 | die "received too large websocket frame (len = $payload_len)\n" |
483 | if ($payload_len > $max_payload_size) || ($payload_len < 0); | |
d8218001 | 484 | |
ed979f7a | 485 | return if $len < ($offset + 4 + $payload_len); |
d8218001 | 486 | |
ed979f7a | 487 | my $data = substr($hdl->{rbuf}, 0, $offset + 4 + $payload_len, ''); # now consume data |
5f14e56e | 488 | |
c55702c3 | 489 | my $mask = substr($data, $offset, 4); |
ed979f7a | 490 | $offset += 4; |
d8218001 | 491 | |
ed979f7a | 492 | my $payload = substr($data, $offset, $payload_len); |
d8218001 | 493 | |
c55702c3 FG |
494 | # NULL-mask might be used over TLS, skip to increase performance |
495 | if ($mask ne pack('N', 0)) { | |
496 | # repeat 4 byte mask to payload length + up to 4 byte | |
497 | $mask = $mask x (int($payload_len / 4) + 1); | |
498 | # truncate mask to payload length | |
499 | substr($mask, $payload_len) = ""; | |
500 | # (un-)apply mask | |
501 | $payload ^= $mask; | |
ed979f7a | 502 | } |
d8218001 | 503 | |
ed979f7a | 504 | $payload = decode_base64($payload) if !$binary; |
d8218001 | 505 | |
ed979f7a RJ |
506 | if ($opcode == 1 || $opcode == 2) { |
507 | $reqstate->{proxyhdl}->push_write($payload) if $reqstate->{proxyhdl}; | |
508 | } elsif ($opcode == 8) { | |
509 | my $statuscode = unpack ("n", $payload); | |
510 | print "websocket received close. status code: '$statuscode'\n" if $self->{debug}; | |
f1b41d84 FG |
511 | if ($reqstate->{proxyhdl}) { |
512 | $reqstate->{proxyhdl}->push_shutdown(); | |
513 | } | |
ed979f7a | 514 | $hdl->push_shutdown(); |
e6cb79b5 FG |
515 | } elsif ($opcode == 9) { |
516 | # ping received, schedule pong | |
517 | $reqstate->{hdl}->push_write($encode->(\$payload, "\x8A")) if $reqstate->{hdl}; | |
518 | } elsif ($opcode == 0xA) { | |
519 | # pong received, continue | |
ed979f7a RJ |
520 | } else { |
521 | die "received unhandled websocket opcode $opcode\n"; | |
d8218001 | 522 | } |
d8218001 DM |
523 | } |
524 | }; | |
525 | ||
526 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.1'; | |
527 | ||
528 | $reqstate->{proxyhdl}->timeout(0); | |
529 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
530 | $reqstate->{hdl}->on_read($hdlreader); | |
531 | ||
532 | # todo: use stop_read/start_read if write buffer grows to much | |
533 | ||
534 | my $res = "$proto 101 Switching Protocols\015\012" . | |
535 | "Upgrade: websocket\015\012" . | |
536 | "Connection: upgrade\015\012" . | |
537 | "Sec-WebSocket-Accept: $wsaccept\015\012" . | |
538 | "Sec-WebSocket-Protocol: $wsproto\015\012" . | |
539 | "\015\012"; | |
540 | ||
541 | print $res if $self->{debug}; | |
542 | ||
543 | $reqstate->{hdl}->push_write($res); | |
544 | ||
545 | # log early | |
546 | $reqstate->{log}->{code} = 101; | |
547 | $self->log_request($reqstate); | |
548 | }; | |
549 | ||
550 | }; | |
551 | if (my $err = $@) { | |
552 | warn $err; | |
553 | $self->log_aborted_request($reqstate, $err); | |
554 | $self->client_do_disconnect($reqstate); | |
555 | } | |
556 | } | |
557 | ||
558 | sub proxy_request { | |
362dd8eb | 559 | my ($self, $reqstate, $clientip, $host, $node, $method, $uri, $auth, $params) = @_; |
d8218001 DM |
560 | |
561 | eval { | |
562 | my $target; | |
563 | my $keep_alive = 1; | |
564 | if ($host eq 'localhost') { | |
565 | $target = "http://$host:85$uri"; | |
566 | # keep alive for localhost is not worth (connection setup is about 0.2ms) | |
567 | $keep_alive = 0; | |
568 | } elsif (Net::IP::ip_is_ipv6($host)) { | |
569 | $target = "https://[$host]:8006$uri"; | |
570 | } else { | |
571 | $target = "https://$host:8006$uri"; | |
572 | } | |
573 | ||
574 | my $headers = { | |
575 | PVEDisableProxy => 'true', | |
576 | PVEClientIP => $clientip, | |
577 | }; | |
578 | ||
362dd8eb FG |
579 | $headers->{'cookie'} = PVE::APIServer::Formatter::create_auth_cookie($auth->{ticket}, $self->{cookie_name}) |
580 | if $auth->{ticket}; | |
581 | $headers->{'Authorization'} = PVE::APIServer::Formatter::create_auth_header($auth->{api_token}, $self->{apitoken_name}) | |
582 | if $auth->{api_token}; | |
583 | $headers->{'CSRFPreventionToken'} = $auth->{token} | |
584 | if $auth->{token}; | |
23dfd1b7 | 585 | $headers->{'Accept-Encoding'} = 'gzip' if ($reqstate->{accept_gzip} && $self->{compression}); |
d8218001 | 586 | |
090019fa WB |
587 | if (defined(my $host = $reqstate->{request}->header('Host'))) { |
588 | $headers->{Host} = $host; | |
589 | } | |
590 | ||
d8218001 DM |
591 | my $content; |
592 | ||
593 | if ($method eq 'POST' || $method eq 'PUT') { | |
594 | $headers->{'Content-Type'} = 'application/x-www-form-urlencoded'; | |
595 | # use URI object to format application/x-www-form-urlencoded content. | |
596 | my $url = URI->new('http:'); | |
597 | $url->query_form(%$params); | |
598 | $content = $url->query; | |
599 | if (defined($content)) { | |
600 | $headers->{'Content-Length'} = length($content); | |
601 | } | |
602 | } | |
603 | ||
604 | my $tls = { | |
605 | # TLS 1.x only, with certificate pinning | |
606 | method => 'any', | |
607 | sslv2 => 0, | |
608 | sslv3 => 0, | |
609 | verify => 1, | |
610 | verify_cb => sub { | |
611 | my (undef, undef, undef, $depth, undef, undef, $cert) = @_; | |
612 | # we don't care about intermediate or root certificates | |
613 | return 1 if $depth != 0; | |
614 | # check server certificate against cache of pinned FPs | |
615 | return $self->check_cert_fingerprint($cert); | |
616 | }, | |
617 | }; | |
618 | ||
619 | # load and cache cert fingerprint if first time we proxy to this node | |
620 | $self->initialize_cert_cache($node); | |
621 | ||
622 | my $w; $w = http_request( | |
623 | $method => $target, | |
624 | headers => $headers, | |
625 | timeout => 30, | |
626 | recurse => 0, | |
627 | proxy => undef, # avoid use of $ENV{HTTP_PROXY} | |
628 | keepalive => $keep_alive, | |
629 | body => $content, | |
630 | tls_ctx => AnyEvent::TLS->new(%{$tls}), | |
631 | sub { | |
632 | my ($body, $hdr) = @_; | |
633 | ||
634 | undef $w; | |
635 | ||
636 | if (!$reqstate->{hdl}) { | |
637 | warn "proxy detected vanished client connection\n"; | |
638 | return; | |
639 | } | |
640 | ||
641 | eval { | |
642 | my $code = delete $hdr->{Status}; | |
643 | my $msg = delete $hdr->{Reason}; | |
644 | delete $hdr->{URL}; | |
645 | delete $hdr->{HTTPVersion}; | |
646 | my $header = HTTP::Headers->new(%$hdr); | |
647 | if (my $location = $header->header('Location')) { | |
648 | $location =~ s|^http://localhost:85||; | |
649 | $header->header(Location => $location); | |
650 | } | |
651 | my $resp = HTTP::Response->new($code, $msg, $header, $body); | |
652 | # Note: disable compression, because body is already compressed | |
653 | $self->response($reqstate, $resp, undef, 1); | |
654 | }; | |
655 | warn $@ if $@; | |
656 | }); | |
657 | }; | |
658 | warn $@ if $@; | |
659 | } | |
660 | ||
661 | # return arrays as \0 separated strings (like CGI.pm) | |
256da581 | 662 | # assume data is UTF8 encoded |
d8218001 DM |
663 | sub decode_urlencoded { |
664 | my ($data) = @_; | |
665 | ||
666 | my $res = {}; | |
667 | ||
668 | return $res if !$data; | |
669 | ||
670 | foreach my $kv (split(/[\&\;]/, $data)) { | |
671 | my ($k, $v) = split(/=/, $kv); | |
672 | $k =~s/\+/ /g; | |
673 | $k =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
d8218001 | 674 | |
4a09623b TL |
675 | if (defined($v)) { |
676 | $v =~s/\+/ /g; | |
677 | $v =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr(hex($1))/eg; | |
256da581 | 678 | |
4a09623b TL |
679 | $v = Encode::decode('utf8', $v); |
680 | ||
681 | if (defined(my $old = $res->{$k})) { | |
682 | $v = "$old\0$v"; | |
683 | } | |
5f14e56e | 684 | } |
4a09623b TL |
685 | |
686 | $res->{$k} = $v; | |
d8218001 DM |
687 | } |
688 | return $res; | |
689 | } | |
690 | ||
691 | sub extract_params { | |
692 | my ($r, $method) = @_; | |
693 | ||
694 | my $params = {}; | |
695 | ||
696 | if ($method eq 'PUT' || $method eq 'POST') { | |
3e05f166 DC |
697 | my $ct; |
698 | if (my $ctype = $r->header('Content-Type')) { | |
699 | $ct = parse_content_type($ctype); | |
700 | } | |
701 | if (defined($ct) && $ct eq 'application/json') { | |
702 | $params = decode_json($r->content); | |
703 | } else { | |
704 | $params = decode_urlencoded($r->content); | |
705 | } | |
d8218001 DM |
706 | } |
707 | ||
708 | my $query_params = decode_urlencoded($r->url->query()); | |
709 | ||
710 | foreach my $k (keys %{$query_params}) { | |
711 | $params->{$k} = $query_params->{$k}; | |
712 | } | |
713 | ||
256da581 | 714 | return $params; |
d8218001 DM |
715 | } |
716 | ||
717 | sub handle_api2_request { | |
718 | my ($self, $reqstate, $auth, $method, $path, $upload_state) = @_; | |
719 | ||
720 | eval { | |
721 | my $r = $reqstate->{request}; | |
722 | ||
723 | my ($rel_uri, $format) = &$split_abs_uri($path, $self->{base_uri}); | |
724 | ||
c7154375 | 725 | my $formatter = PVE::APIServer::Formatter::get_formatter($format, $method, $rel_uri); |
d8218001 DM |
726 | |
727 | if (!defined($formatter)) { | |
555a5ab3 | 728 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no formatter for uri $rel_uri, $format"); |
d8218001 DM |
729 | return; |
730 | } | |
731 | ||
732 | #print Dumper($upload_state) if $upload_state; | |
733 | ||
d8218001 DM |
734 | my $params; |
735 | ||
736 | if ($upload_state) { | |
737 | $params = $upload_state->{params}; | |
738 | } else { | |
739 | $params = extract_params($r, $method); | |
740 | } | |
741 | ||
742 | delete $params->{_dc}; # remove disable cache parameter | |
743 | ||
744 | my $clientip = $reqstate->{peer_host}; | |
745 | ||
66a7a3a3 | 746 | my $res = $self->rest_handler($clientip, $method, $rel_uri, $auth, $params, $format); |
d8218001 | 747 | |
8d88baec DM |
748 | # HACK: see Note 1 |
749 | Net::SSLeay::ERR_clear_error(); | |
750 | ||
d8218001 DM |
751 | AnyEvent->now_update(); # in case somebody called sleep() |
752 | ||
d8218001 DM |
753 | my $upgrade = $r->header('upgrade'); |
754 | $upgrade = lc($upgrade) if $upgrade; | |
755 | ||
756 | if (my $host = $res->{proxy}) { | |
757 | ||
758 | if ($self->{trusted_env}) { | |
759 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy not allowed"); | |
760 | return; | |
761 | } | |
762 | ||
763 | if ($host ne 'localhost' && $r->header('PVEDisableProxy')) { | |
764 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); | |
765 | return; | |
766 | } | |
767 | ||
768 | $res->{proxy_params}->{tmpfilename} = $reqstate->{tmpfilename} if $upload_state; | |
769 | ||
770 | $self->proxy_request($reqstate, $clientip, $host, $res->{proxynode}, $method, | |
362dd8eb | 771 | $r->uri, $auth, $res->{proxy_params}); |
d8218001 DM |
772 | return; |
773 | ||
774 | } elsif ($upgrade && ($method eq 'GET') && ($path =~ m|websocket$|)) { | |
775 | die "unable to upgrade to protocol '$upgrade'\n" if !$upgrade || ($upgrade ne 'websocket'); | |
776 | my $wsver = $r->header('sec-websocket-version'); | |
777 | die "unsupported websocket-version '$wsver'\n" if !$wsver || ($wsver ne '13'); | |
778 | my $wsproto_str = $r->header('sec-websocket-protocol'); | |
779 | die "missing websocket-protocol header" if !$wsproto_str; | |
780 | my $wsproto; | |
781 | foreach my $p (PVE::Tools::split_list($wsproto_str)) { | |
782 | $wsproto = $p if !$wsproto && $p eq 'base64'; | |
783 | $wsproto = $p if $p eq 'binary'; | |
784 | } | |
785 | die "unsupported websocket-protocol protocol '$wsproto_str'\n" if !$wsproto; | |
786 | my $wskey = $r->header('sec-websocket-key'); | |
787 | die "missing websocket-key\n" if !$wskey; | |
788 | # Note: Digest::SHA::sha1_base64 has wrong padding | |
789 | my $wsaccept = Digest::SHA::sha1_base64("${wskey}258EAFA5-E914-47DA-95CA-C5AB0DC85B11") . "="; | |
790 | if ($res->{status} == HTTP_OK) { | |
791 | $self->websocket_proxy($reqstate, $wsaccept, $wsproto, $res->{data}); | |
792 | return; | |
793 | } | |
794 | } | |
795 | ||
796 | my $delay = 0; | |
797 | if ($res->{status} == HTTP_UNAUTHORIZED) { | |
798 | # always delay unauthorized calls by 3 seconds | |
799 | $delay = 3 - tv_interval($reqstate->{starttime}); | |
800 | $delay = 0 if $delay < 0; | |
801 | } | |
802 | ||
05e777bc DC |
803 | if (defined(my $download = $res->{download})) { |
804 | send_file_start($self, $reqstate, $download); | |
20a61215 DM |
805 | return; |
806 | } | |
807 | ||
ca304f91 DM |
808 | my ($raw, $ct, $nocomp) = $formatter->($res, $res->{data}, $params, $path, |
809 | $auth, $self->{formatter_config}); | |
d8218001 DM |
810 | |
811 | my $resp; | |
812 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
813 | $resp = $raw; | |
814 | } else { | |
815 | $resp = HTTP::Response->new($res->{status}, $res->{message}); | |
816 | $resp->header("Content-Type" => $ct); | |
817 | $resp->content($raw); | |
818 | } | |
819 | $self->response($reqstate, $resp, undef, $nocomp, $delay); | |
820 | }; | |
821 | if (my $err = $@) { | |
822 | $self->error($reqstate, 501, $err); | |
823 | } | |
824 | } | |
825 | ||
826 | sub handle_spice_proxy_request { | |
827 | my ($self, $reqstate, $connect_str, $vmid, $node, $spiceport) = @_; | |
828 | ||
829 | eval { | |
830 | ||
542f4c3a | 831 | my ($minport, $maxport) = PVE::Tools::spice_port_range(); |
9789c451 TL |
832 | if ($spiceport < $minport || $spiceport > $maxport) { |
833 | die "SPICE Port $spiceport is not in allowed range ($minport, $maxport)\n"; | |
834 | } | |
d8218001 | 835 | |
d8218001 DM |
836 | my $clientip = $reqstate->{peer_host}; |
837 | my $r = $reqstate->{request}; | |
838 | ||
839 | my $remip; | |
840 | ||
841 | if ($node ne 'localhost' && PVE::INotify::nodename() !~ m/^$node$/i) { | |
842 | $remip = $self->remote_node_ip($node); | |
843 | print "REMOTE CONNECT $vmid, $remip, $connect_str\n" if $self->{debug}; | |
844 | } else { | |
845 | print "$$: CONNECT $vmid, $node, $spiceport\n" if $self->{debug}; | |
846 | } | |
847 | ||
848 | if ($remip && $r->header('PVEDisableProxy')) { | |
849 | $self->error($reqstate, HTTP_INTERNAL_SERVER_ERROR, "proxy loop detected"); | |
850 | return; | |
851 | } | |
852 | ||
853 | $reqstate->{hdl}->timeout(0); | |
854 | $reqstate->{hdl}->wbuf_max(64*10*1024); | |
855 | ||
856 | my $remhost = $remip ? $remip : "localhost"; | |
857 | my $remport = $remip ? 3128 : $spiceport; | |
858 | ||
859 | tcp_connect $remhost, $remport, sub { | |
5f14e56e | 860 | my ($fh) = @_ |
d8218001 DM |
861 | or die "connect to '$remhost:$remport' failed: $!"; |
862 | ||
863 | print "$$: CONNECTed to '$remhost:$remport'\n" if $self->{debug}; | |
864 | $reqstate->{proxyhdl} = AnyEvent::Handle->new( | |
865 | fh => $fh, | |
866 | rbuf_max => 64*1024, | |
867 | wbuf_max => 64*10*1024, | |
868 | timeout => 5, | |
869 | on_eof => sub { | |
870 | my ($hdl) = @_; | |
871 | eval { | |
872 | $self->log_aborted_request($reqstate); | |
873 | $self->client_do_disconnect($reqstate); | |
874 | }; | |
875 | if (my $err = $@) { syslog('err', $err); } | |
876 | }, | |
877 | on_error => sub { | |
878 | my ($hdl, $fatal, $message) = @_; | |
879 | eval { | |
880 | $self->log_aborted_request($reqstate, $message); | |
881 | $self->client_do_disconnect($reqstate); | |
882 | }; | |
883 | if (my $err = $@) { syslog('err', "$err"); } | |
884 | }); | |
885 | ||
886 | ||
887 | my $proxyhdlreader = sub { | |
888 | my ($hdl) = @_; | |
889 | ||
890 | my $len = length($hdl->{rbuf}); | |
891 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
892 | ||
893 | #print "READ1 $len\n"; | |
894 | $reqstate->{hdl}->push_write($data) if $reqstate->{hdl}; | |
895 | }; | |
896 | ||
897 | my $hdlreader = sub { | |
898 | my ($hdl) = @_; | |
899 | ||
900 | my $len = length($hdl->{rbuf}); | |
901 | my $data = substr($hdl->{rbuf}, 0, $len, ''); | |
902 | ||
903 | #print "READ0 $len\n"; | |
904 | $reqstate->{proxyhdl}->push_write($data) if $reqstate->{proxyhdl}; | |
905 | }; | |
906 | ||
907 | my $proto = $reqstate->{proto} ? $reqstate->{proto}->{str} : 'HTTP/1.0'; | |
908 | ||
909 | my $startproxy = sub { | |
910 | $reqstate->{proxyhdl}->timeout(0); | |
911 | $reqstate->{proxyhdl}->on_read($proxyhdlreader); | |
912 | $reqstate->{hdl}->on_read($hdlreader); | |
913 | ||
914 | # todo: use stop_read/start_read if write buffer grows to much | |
915 | ||
a4d8bbaf DC |
916 | # a response must be followed by an empty line |
917 | my $res = "$proto 200 OK\015\012\015\012"; | |
d8218001 DM |
918 | $reqstate->{hdl}->push_write($res); |
919 | ||
920 | # log early | |
921 | $reqstate->{log}->{code} = 200; | |
922 | $self->log_request($reqstate); | |
923 | }; | |
924 | ||
925 | if ($remip) { | |
926 | my $header = "CONNECT ${connect_str} $proto\015\012" . | |
927 | "Host: ${connect_str}\015\012" . | |
928 | "Proxy-Connection: keep-alive\015\012" . | |
929 | "User-Agent: spiceproxy\015\012" . | |
930 | "PVEDisableProxy: true\015\012" . | |
931 | "PVEClientIP: $clientip\015\012" . | |
932 | "\015\012"; | |
933 | ||
934 | $reqstate->{proxyhdl}->push_write($header); | |
935 | $reqstate->{proxyhdl}->push_read(line => sub { | |
936 | my ($hdl, $line) = @_; | |
5f14e56e | 937 | |
d8218001 | 938 | if ($line =~ m!^$proto 200 OK$!) { |
6c31d13e DC |
939 | # read the empty line after the 200 OK |
940 | $reqstate->{proxyhdl}->unshift_read(line => sub{ | |
941 | &$startproxy(); | |
942 | }); | |
d8218001 DM |
943 | } else { |
944 | $reqstate->{hdl}->push_write($line); | |
945 | $self->client_do_disconnect($reqstate); | |
946 | } | |
947 | }); | |
948 | } else { | |
949 | &$startproxy(); | |
950 | } | |
951 | ||
952 | }; | |
953 | }; | |
954 | if (my $err = $@) { | |
955 | warn $err; | |
956 | $self->log_aborted_request($reqstate, $err); | |
957 | $self->client_do_disconnect($reqstate); | |
958 | } | |
959 | } | |
960 | ||
961 | sub handle_request { | |
962 | my ($self, $reqstate, $auth, $method, $path) = @_; | |
963 | ||
964 | my $base_uri = $self->{base_uri}; | |
965 | ||
966 | eval { | |
967 | my $r = $reqstate->{request}; | |
5f14e56e | 968 | |
d8218001 DM |
969 | # disable timeout on handle (we already have all data we need) |
970 | # we re-enable timeout in response() | |
971 | $reqstate->{hdl}->timeout(0); | |
972 | ||
973 | if ($path =~ m/^\Q$base_uri\E/) { | |
974 | $self->handle_api2_request($reqstate, $auth, $method, $path); | |
975 | return; | |
976 | } | |
977 | ||
978 | if ($self->{pages} && ($method eq 'GET') && (my $handler = $self->{pages}->{$path})) { | |
979 | if (ref($handler) eq 'CODE') { | |
980 | my $params = decode_urlencoded($r->url->query()); | |
981 | my ($resp, $userid) = &$handler($self, $reqstate->{request}, $params); | |
8d88baec DM |
982 | # HACK: see Note 1 |
983 | Net::SSLeay::ERR_clear_error(); | |
d8218001 DM |
984 | $self->response($reqstate, $resp); |
985 | } elsif (ref($handler) eq 'HASH') { | |
986 | if (my $filename = $handler->{file}) { | |
987 | my $fh = IO::File->new($filename) || | |
988 | die "unable to open file '$filename' - $!\n"; | |
989 | send_file_start($self, $reqstate, $filename); | |
990 | } else { | |
991 | die "internal error - no handler"; | |
992 | } | |
993 | } else { | |
994 | die "internal error - no handler"; | |
995 | } | |
996 | return; | |
997 | } | |
998 | ||
999 | if ($self->{dirs} && ($method eq 'GET')) { | |
1000 | # we only allow simple names | |
1001 | if ($path =~ m!^(/\S+/)([a-zA-Z0-9\-\_\.]+)$!) { | |
1002 | my ($subdir, $file) = ($1, $2); | |
1003 | if (my $dir = $self->{dirs}->{$subdir}) { | |
1004 | my $filename = "$dir$file"; | |
1005 | my $fh = IO::File->new($filename) || | |
1006 | die "unable to open file '$filename' - $!\n"; | |
1007 | send_file_start($self, $reqstate, $filename); | |
1008 | return; | |
1009 | } | |
1010 | } | |
1011 | } | |
1012 | ||
666d3ae1 | 1013 | die "no such file '$path'\n"; |
d8218001 DM |
1014 | }; |
1015 | if (my $err = $@) { | |
1016 | $self->error($reqstate, 501, $err); | |
1017 | } | |
1018 | } | |
1019 | ||
1020 | sub file_upload_multipart { | |
1021 | my ($self, $reqstate, $auth, $method, $path, $rstate) = @_; | |
1022 | ||
1023 | eval { | |
1024 | my $boundary = $rstate->{boundary}; | |
1025 | my $hdl = $reqstate->{hdl}; | |
1026 | ||
1027 | my $startlen = length($hdl->{rbuf}); | |
1028 | ||
1029 | if ($rstate->{phase} == 0) { # skip everything until start | |
1030 | if ($hdl->{rbuf} =~ s/^.*?--\Q$boundary\E \015?\012 | |
1031 | ((?:[^\015]+\015\012)* ) \015?\012//xs) { | |
1032 | my $header = $1; | |
1033 | my ($ct, $disp, $name, $filename); | |
1034 | foreach my $line (split(/\015?\012/, $header)) { | |
1035 | # assume we have single line headers | |
1036 | if ($line =~ m/^Content-Type\s*:\s*(.*)/i) { | |
1037 | $ct = parse_content_type($1); | |
1038 | } elsif ($line =~ m/^Content-Disposition\s*:\s*(.*)/i) { | |
1039 | ($disp, $name, $filename) = parse_content_disposition($1); | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | if (!($disp && $disp eq 'form-data' && $name)) { | |
1044 | syslog('err', "wrong content disposition in multipart - abort upload"); | |
1045 | $rstate->{phase} = -1; | |
1046 | } else { | |
1047 | ||
1048 | $rstate->{fieldname} = $name; | |
1049 | ||
1050 | if ($filename) { | |
1051 | if ($name eq 'filename') { | |
1052 | # found file upload data | |
1053 | $rstate->{phase} = 1; | |
1054 | $rstate->{filename} = $filename; | |
1055 | } else { | |
1056 | syslog('err', "wrong field name for file upload - abort upload"); | |
1057 | $rstate->{phase} = -1; | |
1058 | } | |
1059 | } else { | |
1060 | # found form data for field $name | |
1061 | $rstate->{phase} = 2; | |
1062 | } | |
1063 | } | |
1064 | } else { | |
1065 | my $len = length($hdl->{rbuf}); | |
5f14e56e | 1066 | substr($hdl->{rbuf}, 0, $len - $rstate->{maxheader}, '') |
d8218001 DM |
1067 | if $len > $rstate->{maxheader}; # skip garbage |
1068 | } | |
1069 | } elsif ($rstate->{phase} == 1) { # inside file - dump until end marker | |
1070 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
1071 | my ($rest, $eof) = ($1, $3); | |
1072 | my $len = length($rest); | |
5f14e56e | 1073 | die "write to temporary file failed - $!" |
d8218001 DM |
1074 | if syswrite($rstate->{outfh}, $rest) != $len; |
1075 | $rstate->{ctx}->add($rest); | |
1076 | $rstate->{params}->{filename} = $rstate->{filename}; | |
1077 | $rstate->{md5sum} = $rstate->{ctx}->hexdigest; | |
1078 | $rstate->{bytes} += $len; | |
1079 | $rstate->{phase} = $eof ? 100 : 0; | |
1080 | } else { | |
1081 | my $len = length($hdl->{rbuf}); | |
1082 | my $wlen = $len - $rstate->{boundlen}; | |
1083 | if ($wlen > 0) { | |
1084 | my $data = substr($hdl->{rbuf}, 0, $wlen, ''); | |
5f14e56e | 1085 | die "write to temporary file failed - $!" |
d8218001 DM |
1086 | if syswrite($rstate->{outfh}, $data) != $wlen; |
1087 | $rstate->{bytes} += $wlen; | |
1088 | $rstate->{ctx}->add($data); | |
1089 | } | |
1090 | } | |
1091 | } elsif ($rstate->{phase} == 2) { # inside normal field | |
1092 | ||
1093 | if ($hdl->{rbuf} =~ s/^(.*?)\015?\012(--\Q$boundary\E(--)? \015?\012(.*))$/$2/xs) { | |
1094 | my ($rest, $eof) = ($1, $3); | |
1095 | my $len = length($rest); | |
1096 | $rstate->{post_size} += $len; | |
1097 | if ($rstate->{post_size} < $limit_max_post) { | |
1098 | $rstate->{params}->{$rstate->{fieldname}} = $rest; | |
1099 | $rstate->{phase} = $eof ? 100 : 0; | |
1100 | } else { | |
1101 | syslog('err', "form data to large - abort upload"); | |
1102 | $rstate->{phase} = -1; # skip | |
1103 | } | |
1104 | } | |
5f14e56e | 1105 | } else { # skip |
d8218001 DM |
1106 | my $len = length($hdl->{rbuf}); |
1107 | substr($hdl->{rbuf}, 0, $len, ''); # empty rbuf | |
1108 | } | |
1109 | ||
1110 | $rstate->{read} += ($startlen - length($hdl->{rbuf})); | |
1111 | ||
1112 | if (!$rstate->{done} && ($rstate->{read} + length($hdl->{rbuf})) >= $rstate->{size}) { | |
5f14e56e | 1113 | $rstate->{done} = 1; # make sure we dont get called twice |
d8218001 | 1114 | if ($rstate->{phase} < 0 || !$rstate->{md5sum}) { |
5f14e56e | 1115 | die "upload failed\n"; |
d8218001 DM |
1116 | } else { |
1117 | my $elapsed = tv_interval($rstate->{starttime}); | |
1118 | ||
1119 | my $rate = int($rstate->{bytes}/($elapsed*1024*1024)); | |
5f14e56e DM |
1120 | syslog('info', "multipart upload complete " . |
1121 | "(size: %d time: %ds rate: %.2fMiB/s md5sum: $rstate->{md5sum})", | |
d8218001 DM |
1122 | $rstate->{bytes}, $elapsed, $rate); |
1123 | $self->handle_api2_request($reqstate, $auth, $method, $path, $rstate); | |
1124 | } | |
1125 | } | |
1126 | }; | |
1127 | if (my $err = $@) { | |
1128 | syslog('err', $err); | |
1129 | $self->error($reqstate, 501, $err); | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | sub parse_content_type { | |
1134 | my ($ctype) = @_; | |
1135 | ||
1136 | my ($ct, @params) = split(/\s*[;,]\s*/o, $ctype); | |
5f14e56e | 1137 | |
d8218001 DM |
1138 | foreach my $v (@params) { |
1139 | if ($v =~ m/^\s*boundary\s*=\s*(\S+?)\s*$/o) { | |
1140 | return wantarray ? ($ct, $1) : $ct; | |
1141 | } | |
1142 | } | |
5f14e56e | 1143 | |
d8218001 DM |
1144 | return wantarray ? ($ct) : $ct; |
1145 | } | |
1146 | ||
1147 | sub parse_content_disposition { | |
1148 | my ($line) = @_; | |
1149 | ||
1150 | my ($disp, @params) = split(/\s*[;,]\s*/o, $line); | |
1151 | my $name; | |
1152 | my $filename; | |
1153 | ||
1154 | foreach my $v (@params) { | |
1155 | if ($v =~ m/^\s*name\s*=\s*(\S+?)\s*$/o) { | |
1156 | $name = $1; | |
1157 | $name =~ s/^"(.*)"$/$1/; | |
1158 | } elsif ($v =~ m/^\s*filename\s*=\s*(.+?)\s*$/o) { | |
1159 | $filename = $1; | |
1160 | $filename =~ s/^"(.*)"$/$1/; | |
1161 | } | |
1162 | } | |
5f14e56e | 1163 | |
d8218001 DM |
1164 | return wantarray ? ($disp, $name, $filename) : $disp; |
1165 | } | |
1166 | ||
1167 | my $tmpfile_seq_no = 0; | |
1168 | ||
1169 | sub get_upload_filename { | |
1170 | # choose unpredictable tmpfile name | |
5f14e56e | 1171 | |
d8218001 DM |
1172 | $tmpfile_seq_no++; |
1173 | return "/var/tmp/pveupload-" . Digest::MD5::md5_hex($tmpfile_seq_no . time() . $$); | |
1174 | } | |
1175 | ||
1176 | sub unshift_read_header { | |
1177 | my ($self, $reqstate, $state) = @_; | |
1178 | ||
1179 | $state = { size => 0, count => 0 } if !$state; | |
1180 | ||
1181 | $reqstate->{hdl}->unshift_read(line => sub { | |
1182 | my ($hdl, $line) = @_; | |
1183 | ||
1184 | eval { | |
1185 | # print "$$: got header: $line\n" if $self->{debug}; | |
1186 | ||
1187 | die "to many http header lines\n" if ++$state->{count} >= $limit_max_headers; | |
1188 | die "http header too large\n" if ($state->{size} += length($line)) >= $limit_max_header_size; | |
1189 | ||
1190 | my $r = $reqstate->{request}; | |
1191 | if ($line eq '') { | |
1192 | ||
1193 | my $path = uri_unescape($r->uri->path()); | |
1194 | my $method = $r->method(); | |
1195 | ||
1196 | $r->push_header($state->{key}, $state->{val}) | |
1197 | if $state->{key}; | |
1198 | ||
1199 | if (!$known_methods->{$method}) { | |
1200 | my $resp = HTTP::Response->new(HTTP_NOT_IMPLEMENTED, "method '$method' not available"); | |
1201 | $self->response($reqstate, $resp); | |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | my $conn = $r->header('Connection'); | |
1206 | my $accept_enc = $r->header('Accept-Encoding'); | |
1207 | $reqstate->{accept_gzip} = ($accept_enc && $accept_enc =~ m/gzip/) ? 1 : 0; | |
1208 | ||
1209 | if ($conn) { | |
1210 | $reqstate->{keep_alive} = 0 if $conn =~ m/close/oi; | |
1211 | } else { | |
1212 | if ($reqstate->{proto}->{ver} < 1001) { | |
1213 | $reqstate->{keep_alive} = 0; | |
1214 | } | |
1215 | } | |
1216 | ||
1217 | my $te = $r->header('Transfer-Encoding'); | |
1218 | if ($te && lc($te) eq 'chunked') { | |
1219 | # Handle chunked transfer encoding | |
1220 | $self->error($reqstate, 501, "chunked transfer encoding not supported"); | |
1221 | return; | |
1222 | } elsif ($te) { | |
1223 | $self->error($reqstate, 501, "Unknown transfer encoding '$te'"); | |
1224 | return; | |
1225 | } | |
1226 | ||
1227 | my $pveclientip = $r->header('PVEClientIP'); | |
1228 | my $base_uri = $self->{base_uri}; | |
1229 | ||
1230 | # fixme: how can we make PVEClientIP header trusted? | |
1231 | if ($self->{trusted_env} && $pveclientip) { | |
1232 | $reqstate->{peer_host} = $pveclientip; | |
1233 | } else { | |
1234 | $r->header('PVEClientIP', $reqstate->{peer_host}); | |
1235 | } | |
1236 | ||
1237 | my $len = $r->header('Content-Length'); | |
1238 | ||
87821486 | 1239 | my $host_header = $r->header('Host'); |
e52d9400 TL |
1240 | if (my $rpcenv = $self->{rpcenv}) { |
1241 | $rpcenv->set_request_host($host_header); | |
1242 | } | |
87821486 | 1243 | |
d8218001 DM |
1244 | # header processing complete - authenticate now |
1245 | ||
1246 | my $auth = {}; | |
1247 | if ($self->{spiceproxy}) { | |
87821486 | 1248 | my $connect_str = $host_header; |
403964f2 | 1249 | my ($vmid, $node, $port) = $self->verify_spice_connect_url($connect_str); |
d8218001 DM |
1250 | if (!(defined($vmid) && $node && $port)) { |
1251 | $self->error($reqstate, HTTP_UNAUTHORIZED, "invalid ticket"); | |
1252 | return; | |
1253 | } | |
1254 | $self->handle_spice_proxy_request($reqstate, $connect_str, $vmid, $node, $port); | |
1255 | return; | |
1256 | } elsif ($path =~ m/^\Q$base_uri\E/) { | |
1257 | my $token = $r->header('CSRFPreventionToken'); | |
1258 | my $cookie = $r->header('Cookie'); | |
e045d070 TM |
1259 | my $auth_header = $r->header('Authorization'); |
1260 | ||
1261 | # prefer actual cookie | |
1262 | my $ticket = PVE::APIServer::Formatter::extract_auth_value($cookie, $self->{cookie_name}); | |
1263 | ||
1264 | # fallback to cookie in 'Authorization' header | |
1265 | $ticket = PVE::APIServer::Formatter::extract_auth_value($auth_header, $self->{cookie_name}) | |
1266 | if !$ticket; | |
d8218001 | 1267 | |
362dd8eb FG |
1268 | # finally, fallback to API token if no ticket has been provided so far |
1269 | my $api_token; | |
1270 | $api_token = PVE::APIServer::Formatter::extract_auth_value($auth_header, $self->{apitoken_name}) | |
1271 | if !$ticket; | |
1272 | ||
d8218001 DM |
1273 | my ($rel_uri, $format) = &$split_abs_uri($path, $self->{base_uri}); |
1274 | if (!$format) { | |
1275 | $self->error($reqstate, HTTP_NOT_IMPLEMENTED, "no such uri"); | |
1276 | return; | |
1277 | } | |
1278 | ||
d8218001 | 1279 | eval { |
362dd8eb | 1280 | $auth = $self->auth_handler($method, $rel_uri, $ticket, $token, $api_token, |
58ddb769 | 1281 | $reqstate->{peer_host}); |
d8218001 DM |
1282 | }; |
1283 | if (my $err = $@) { | |
8d88baec | 1284 | # HACK: see Note 1 |
63890886 | 1285 | Net::SSLeay::ERR_clear_error(); |
d8218001 DM |
1286 | # always delay unauthorized calls by 3 seconds |
1287 | my $delay = 3; | |
d8327719 TL |
1288 | |
1289 | if (ref($err) eq "PVE::Exception") { | |
1290 | ||
1291 | $err->{code} ||= HTTP_INTERNAL_SERVER_ERROR, | |
1292 | my $resp = HTTP::Response->new($err->{code}, $err->{msg}); | |
1293 | $self->response($reqstate, $resp, undef, 0, $delay); | |
1294 | ||
1295 | } elsif (my $formatter = PVE::APIServer::Formatter::get_login_formatter($format)) { | |
ca304f91 DM |
1296 | my ($raw, $ct, $nocomp) = |
1297 | $formatter->($path, $auth, $self->{formatter_config}); | |
d8218001 DM |
1298 | my $resp; |
1299 | if (ref($raw) && (ref($raw) eq 'HTTP::Response')) { | |
1300 | $resp = $raw; | |
1301 | } else { | |
1302 | $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, "Login Required"); | |
1303 | $resp->header("Content-Type" => $ct); | |
1304 | $resp->content($raw); | |
1305 | } | |
63890886 | 1306 | $self->response($reqstate, $resp, undef, $nocomp, $delay); |
d8218001 DM |
1307 | } else { |
1308 | my $resp = HTTP::Response->new(HTTP_UNAUTHORIZED, $err); | |
1309 | $self->response($reqstate, $resp, undef, 0, $delay); | |
1310 | } | |
1311 | return; | |
1312 | } | |
1313 | } | |
1314 | ||
1315 | $reqstate->{log}->{userid} = $auth->{userid}; | |
1316 | ||
1317 | if ($len) { | |
1318 | ||
1319 | if (!($method eq 'PUT' || $method eq 'POST')) { | |
1320 | $self->error($reqstate, 501, "Unexpected content for method '$method'"); | |
1321 | return; | |
1322 | } | |
1323 | ||
1324 | my $ctype = $r->header('Content-Type'); | |
abef3172 DC |
1325 | my ($ct, $boundary); |
1326 | ($ct, $boundary)= parse_content_type($ctype) if $ctype; | |
d8218001 DM |
1327 | |
1328 | if ($auth->{isUpload} && !$self->{trusted_env}) { | |
5f14e56e | 1329 | die "upload 'Content-Type '$ctype' not implemented\n" |
d8218001 DM |
1330 | if !($boundary && $ct && ($ct eq 'multipart/form-data')); |
1331 | ||
1332 | die "upload without content length header not supported" if !$len; | |
1333 | ||
1334 | die "upload without content length header not supported" if !$len; | |
1335 | ||
1336 | print "start upload $path $ct $boundary\n" if $self->{debug}; | |
1337 | ||
1338 | my $tmpfilename = get_upload_filename(); | |
1339 | my $outfh = IO::File->new($tmpfilename, O_RDWR|O_CREAT|O_EXCL, 0600) || | |
1340 | die "unable to create temporary upload file '$tmpfilename'"; | |
1341 | ||
1342 | $reqstate->{keep_alive} = 0; | |
1343 | ||
1344 | my $boundlen = length($boundary) + 8; # \015?\012--$boundary--\015?\012 | |
1345 | ||
1346 | my $state = { | |
1347 | size => $len, | |
1348 | boundary => $boundary, | |
1349 | ctx => Digest::MD5->new, | |
1350 | boundlen => $boundlen, | |
1351 | maxheader => 2048 + $boundlen, # should be large enough | |
1352 | params => decode_urlencoded($r->url->query()), | |
1353 | phase => 0, | |
1354 | read => 0, | |
1355 | post_size => 0, | |
1356 | starttime => [gettimeofday], | |
1357 | outfh => $outfh, | |
1358 | }; | |
1359 | $reqstate->{tmpfilename} = $tmpfilename; | |
1360 | $reqstate->{hdl}->on_read(sub { $self->file_upload_multipart($reqstate, $auth, $method, $path, $state); }); | |
1361 | return; | |
1362 | } | |
1363 | ||
1364 | if ($len > $limit_max_post) { | |
1365 | $self->error($reqstate, 501, "for data too large"); | |
1366 | return; | |
1367 | } | |
1368 | ||
3e05f166 | 1369 | if (!$ct || $ct eq 'application/x-www-form-urlencoded' || $ct eq 'application/json') { |
d8218001 DM |
1370 | $reqstate->{hdl}->unshift_read(chunk => $len, sub { |
1371 | my ($hdl, $data) = @_; | |
1372 | $r->content($data); | |
1373 | $self->handle_request($reqstate, $auth, $method, $path); | |
1374 | }); | |
1375 | } else { | |
1376 | $self->error($reqstate, 506, "upload 'Content-Type '$ctype' not implemented"); | |
1377 | } | |
1378 | } else { | |
1379 | $self->handle_request($reqstate, $auth, $method, $path); | |
1380 | } | |
1381 | } elsif ($line =~ /^([^:\s]+)\s*:\s*(.*)/) { | |
1382 | $r->push_header($state->{key}, $state->{val}) if $state->{key}; | |
1383 | ($state->{key}, $state->{val}) = ($1, $2); | |
1384 | $self->unshift_read_header($reqstate, $state); | |
1385 | } elsif ($line =~ /^\s+(.*)/) { | |
1386 | $state->{val} .= " $1"; | |
1387 | $self->unshift_read_header($reqstate, $state); | |
1388 | } else { | |
1389 | $self->error($reqstate, 506, "unable to parse request header"); | |
1390 | } | |
1391 | }; | |
1392 | warn $@ if $@; | |
1393 | }); | |
1394 | }; | |
1395 | ||
1396 | sub push_request_header { | |
1397 | my ($self, $reqstate) = @_; | |
1398 | ||
1399 | eval { | |
1400 | $reqstate->{hdl}->push_read(line => sub { | |
1401 | my ($hdl, $line) = @_; | |
1402 | ||
1403 | eval { | |
1404 | # print "got request header: $line\n" if $self->{debug}; | |
1405 | ||
1406 | $reqstate->{keep_alive}--; | |
1407 | ||
1408 | if ($line =~ /(\S+)\040(\S+)\040HTTP\/(\d+)\.(\d+)/o) { | |
1409 | my ($method, $url, $maj, $min) = ($1, $2, $3, $4); | |
1410 | ||
1411 | if ($maj != 1) { | |
1412 | $self->error($reqstate, 506, "http protocol version $maj.$min not supported"); | |
1413 | return; | |
1414 | } | |
1415 | ||
1416 | $self->{request_count}++; # only count valid request headers | |
1417 | if ($self->{request_count} >= $self->{max_requests}) { | |
1418 | $self->{end_loop} = 1; | |
1419 | } | |
1420 | $reqstate->{log} = { requestline => $line }; | |
1421 | $reqstate->{proto}->{str} = "HTTP/$maj.$min"; | |
1422 | $reqstate->{proto}->{maj} = $maj; | |
1423 | $reqstate->{proto}->{min} = $min; | |
1424 | $reqstate->{proto}->{ver} = $maj*1000+$min; | |
1425 | $reqstate->{request} = HTTP::Request->new($method, $url); | |
1426 | $reqstate->{starttime} = [gettimeofday], | |
1427 | ||
1428 | $self->unshift_read_header($reqstate); | |
1429 | } elsif ($line eq '') { | |
1430 | # ignore empty lines before requests (browser bugs?) | |
1431 | $self->push_request_header($reqstate); | |
1432 | } else { | |
1433 | $self->error($reqstate, 400, 'bad request'); | |
1434 | } | |
1435 | }; | |
1436 | warn $@ if $@; | |
1437 | }); | |
1438 | }; | |
1439 | warn $@ if $@; | |
1440 | } | |
1441 | ||
1442 | sub accept { | |
1443 | my ($self) = @_; | |
1444 | ||
1445 | my $clientfh; | |
1446 | ||
1447 | return if $self->{end_loop}; | |
1448 | ||
1449 | # we need to m make sure that only one process calls accept | |
1450 | while (!flock($self->{lockfh}, Fcntl::LOCK_EX())) { | |
1451 | next if $! == EINTR; | |
1452 | die "could not get lock on file '$self->{lockfile}' - $!\n"; | |
1453 | } | |
1454 | ||
1455 | my $again = 0; | |
1456 | my $errmsg; | |
1457 | eval { | |
1458 | while (!$self->{end_loop} && | |
1459 | !defined($clientfh = $self->{socket}->accept()) && | |
1460 | ($! == EINTR)) {}; | |
1461 | ||
1462 | if ($self->{end_loop}) { | |
1463 | $again = 0; | |
1464 | } else { | |
1465 | $again = ($! == EAGAIN || $! == WSAEWOULDBLOCK); | |
1466 | if (!defined($clientfh)) { | |
1467 | $errmsg = "failed to accept connection: $!\n"; | |
1468 | } | |
1469 | } | |
1470 | }; | |
1471 | warn $@ if $@; | |
1472 | ||
1473 | flock($self->{lockfh}, Fcntl::LOCK_UN()); | |
1474 | ||
1475 | if (!defined($clientfh)) { | |
1476 | return if $again; | |
1477 | die $errmsg if $errmsg; | |
1478 | } | |
1479 | ||
1480 | fh_nonblocking $clientfh, 1; | |
1481 | ||
1482 | $self->{conn_count}++; | |
1483 | ||
1484 | return $clientfh; | |
1485 | } | |
1486 | ||
1487 | sub wait_end_loop { | |
1488 | my ($self) = @_; | |
1489 | ||
1490 | $self->{end_loop} = 1; | |
1491 | ||
1492 | undef $self->{socket_watch}; | |
1493 | ||
1494 | $0 = "$0 (shutdown)" if $0 !~ m/\(shutdown\)$/; | |
1495 | ||
1496 | if ($self->{conn_count} <= 0) { | |
1497 | $self->{end_cond}->send(1); | |
1498 | return; | |
1499 | } | |
1500 | ||
1501 | # fork and exit, so that parent starts a new worker | |
1502 | if (fork()) { | |
1503 | exit(0); | |
1504 | } | |
1505 | ||
1506 | # else we need to wait until all open connections gets closed | |
1507 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1508 | eval { | |
1509 | # todo: test for active connections instead (we can abort idle connections) | |
1510 | if ($self->{conn_count} <= 0) { | |
1511 | undef $w; | |
1512 | $self->{end_cond}->send(1); | |
1513 | } | |
1514 | }; | |
1515 | warn $@ if $@; | |
1516 | }); | |
1517 | } | |
1518 | ||
1519 | ||
1520 | sub check_host_access { | |
1521 | my ($self, $clientip) = @_; | |
5f14e56e | 1522 | |
d8218001 DM |
1523 | my $cip = Net::IP->new($clientip); |
1524 | ||
1525 | my $match_allow = 0; | |
1526 | my $match_deny = 0; | |
1527 | ||
1528 | if ($self->{allow_from}) { | |
1529 | foreach my $t (@{$self->{allow_from}}) { | |
1530 | if ($t->overlaps($cip)) { | |
1531 | $match_allow = 1; | |
1532 | last; | |
1533 | } | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | if ($self->{deny_from}) { | |
1538 | foreach my $t (@{$self->{deny_from}}) { | |
1539 | if ($t->overlaps($cip)) { | |
1540 | $match_deny = 1; | |
1541 | last; | |
1542 | } | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | if ($match_allow == $match_deny) { | |
1547 | # match both allow and deny, or no match | |
1548 | return $self->{policy} && $self->{policy} eq 'allow' ? 1 : 0; | |
1549 | } | |
1550 | ||
1551 | return $match_allow; | |
1552 | } | |
1553 | ||
1554 | sub accept_connections { | |
1555 | my ($self) = @_; | |
1556 | ||
1557 | eval { | |
1558 | ||
1559 | while (my $clientfh = $self->accept()) { | |
1560 | ||
1561 | my $reqstate = { keep_alive => $self->{keep_alive} }; | |
1562 | ||
1563 | # stop keep-alive when there are many open connections | |
1564 | if ($self->{conn_count} >= $self->{max_conn_soft_limit}) { | |
1565 | $reqstate->{keep_alive} = 0; | |
1566 | } | |
1567 | ||
1568 | if (my $sin = getpeername($clientfh)) { | |
1569 | my ($pfamily, $pport, $phost) = PVE::Tools::unpack_sockaddr_in46($sin); | |
1570 | ($reqstate->{peer_port}, $reqstate->{peer_host}) = ($pport, Socket::inet_ntop($pfamily, $phost)); | |
1571 | } | |
1572 | ||
1573 | if (!$self->{trusted_env} && !$self->check_host_access($reqstate->{peer_host})) { | |
1574 | print "$$: ABORT request from $reqstate->{peer_host} - access denied\n" if $self->{debug}; | |
1575 | $reqstate->{log}->{code} = 403; | |
1576 | $self->log_request($reqstate); | |
1577 | next; | |
1578 | } | |
1579 | ||
1580 | $reqstate->{hdl} = AnyEvent::Handle->new( | |
1581 | fh => $clientfh, | |
1582 | rbuf_max => 64*1024, | |
1583 | timeout => $self->{timeout}, | |
1584 | linger => 0, # avoid problems with ssh - really needed ? | |
1585 | on_eof => sub { | |
1586 | my ($hdl) = @_; | |
1587 | eval { | |
1588 | $self->log_aborted_request($reqstate); | |
1589 | $self->client_do_disconnect($reqstate); | |
1590 | }; | |
1591 | if (my $err = $@) { syslog('err', $err); } | |
1592 | }, | |
1593 | on_error => sub { | |
1594 | my ($hdl, $fatal, $message) = @_; | |
1595 | eval { | |
1596 | $self->log_aborted_request($reqstate, $message); | |
1597 | $self->client_do_disconnect($reqstate); | |
1598 | }; | |
1599 | if (my $err = $@) { syslog('err', "$err"); } | |
1600 | }, | |
1601 | ($self->{tls_ctx} ? (tls => "accept", tls_ctx => $self->{tls_ctx}) : ())); | |
1602 | ||
1603 | print "$$: ACCEPT FH" . $clientfh->fileno() . " CONN$self->{conn_count}\n" if $self->{debug}; | |
1604 | ||
1605 | $self->push_request_header($reqstate); | |
1606 | } | |
1607 | }; | |
1608 | ||
1609 | if (my $err = $@) { | |
1610 | syslog('err', $err); | |
1611 | $self->{end_loop} = 1; | |
1612 | } | |
1613 | ||
1614 | $self->wait_end_loop() if $self->{end_loop}; | |
1615 | } | |
1616 | ||
1617 | # Note: We can't open log file in non-blocking mode and use AnyEvent::Handle, | |
1618 | # because we write from multiple processes, and that would arbitrarily mix output | |
1619 | # of all processes. | |
1620 | sub open_access_log { | |
1621 | my ($self, $filename) = @_; | |
1622 | ||
1623 | my $old_mask = umask(0137);; | |
1624 | my $logfh = IO::File->new($filename, ">>") || | |
1625 | die "unable to open log file '$filename' - $!\n"; | |
1626 | umask($old_mask); | |
1627 | ||
1628 | $logfh->autoflush(1); | |
1629 | ||
1630 | $self->{logfh} = $logfh; | |
1631 | } | |
1632 | ||
1633 | sub write_log { | |
1634 | my ($self, $data) = @_; | |
1635 | ||
1636 | return if !defined($self->{logfh}) || !$data; | |
1637 | ||
1638 | my $res = $self->{logfh}->print($data); | |
1639 | ||
1640 | if (!$res) { | |
1641 | delete $self->{logfh}; | |
1642 | syslog('err', "error writing access log"); | |
1643 | $self->{end_loop} = 1; # terminate asap | |
1644 | } | |
1645 | } | |
1646 | ||
1647 | sub atfork_handler { | |
1648 | my ($self) = @_; | |
1649 | ||
1650 | eval { | |
1651 | # something else do to ? | |
1652 | close($self->{socket}); | |
1653 | }; | |
1654 | warn $@ if $@; | |
1655 | } | |
1656 | ||
fbc42b33 DM |
1657 | sub run { |
1658 | my ($self) = @_; | |
1659 | ||
1660 | $self->{end_cond}->recv; | |
1661 | } | |
1662 | ||
d8218001 DM |
1663 | sub new { |
1664 | my ($this, %args) = @_; | |
1665 | ||
1666 | my $class = ref($this) || $this; | |
1667 | ||
af76fd78 | 1668 | foreach my $req (qw(socket lockfh lockfile)) { |
d8218001 DM |
1669 | die "misssing required argument '$req'" if !defined($args{$req}); |
1670 | } | |
1671 | ||
1672 | my $self = bless { %args }, $class; | |
1673 | ||
1674 | $self->{cookie_name} //= 'PVEAuthCookie'; | |
362dd8eb | 1675 | $self->{apitoken_name} //= 'PVEAPIToken'; |
d8218001 | 1676 | $self->{base_uri} //= "/api2"; |
911ede9b | 1677 | $self->{dirs} //= {}; |
fc87cd5e | 1678 | $self->{title} //= 'API Inspector'; |
23dfd1b7 | 1679 | $self->{compression} //= 1; |
d8218001 | 1680 | |
ca304f91 DM |
1681 | # formatter_config: we pass some configuration values to the Formatter |
1682 | $self->{formatter_config} = {}; | |
362dd8eb | 1683 | foreach my $p (qw(apitoken_name cookie_name base_uri title)) { |
ca304f91 DM |
1684 | $self->{formatter_config}->{$p} = $self->{$p}; |
1685 | } | |
1686 | $self->{formatter_config}->{csrfgen_func} = | |
1687 | $self->can('generate_csrf_prevention_token'); | |
1688 | ||
1689 | # add default dirs which includes jquery and bootstrap | |
e52d9400 TL |
1690 | my $jsbase = '/usr/share/javascript'; |
1691 | add_dirs($self->{dirs}, '/js/' => "$jsbase/"); | |
1692 | # libjs-bootstrap uses symlinks for this, which we do not want to allow.. | |
1693 | my $glyphicons = '/usr/share/fonts/truetype/glyphicons/'; | |
1694 | add_dirs($self->{dirs}, '/js/bootstrap/fonts/' => "$glyphicons"); | |
6edb39f6 | 1695 | |
d8218001 DM |
1696 | # init inotify |
1697 | PVE::INotify::inotify_init(); | |
1698 | ||
d8218001 DM |
1699 | fh_nonblocking($self->{socket}, 1); |
1700 | ||
1701 | $self->{end_loop} = 0; | |
1702 | $self->{conn_count} = 0; | |
1703 | $self->{request_count} = 0; | |
1704 | $self->{timeout} = 5 if !$self->{timeout}; | |
1705 | $self->{keep_alive} = 0 if !defined($self->{keep_alive}); | |
1706 | $self->{max_conn} = 800 if !$self->{max_conn}; | |
1707 | $self->{max_requests} = 8000 if !$self->{max_requests}; | |
1708 | ||
1709 | $self->{policy} = 'allow' if !$self->{policy}; | |
1710 | ||
1711 | $self->{end_cond} = AnyEvent->condvar; | |
1712 | ||
1713 | if ($self->{ssl}) { | |
fac83ab2 SI |
1714 | my $ssl_defaults = { |
1715 | # Note: older versions are considered insecure, for example | |
1716 | # search for "Poodle"-Attack | |
1717 | method => 'any', | |
1718 | sslv2 => 0, | |
1719 | sslv3 => 0, | |
1720 | cipher_list => 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256', | |
1721 | honor_cipher_order => 1, | |
1722 | }; | |
1723 | ||
1724 | foreach my $k (keys %$ssl_defaults) { | |
1725 | $self->{ssl}->{$k} //= $ssl_defaults->{$k}; | |
1726 | } | |
1727 | ||
1728 | if (!defined($self->{ssl}->{dh_file})) { | |
1729 | $self->{ssl}->{dh} = 'skip2048'; | |
1730 | } | |
1731 | ||
54c0ead9 SI |
1732 | my $tls_ctx_flags = &Net::SSLeay::OP_NO_COMPRESSION | &Net::SSLeay::OP_SINGLE_ECDH_USE | &Net::SSLeay::OP_SINGLE_DH_USE; |
1733 | if ( delete $self->{ssl}->{honor_cipher_order} ) { | |
1734 | $tls_ctx_flags |= &Net::SSLeay::OP_CIPHER_SERVER_PREFERENCE; | |
1735 | } | |
1736 | ||
d8218001 | 1737 | $self->{tls_ctx} = AnyEvent::TLS->new(%{$self->{ssl}}); |
54c0ead9 | 1738 | Net::SSLeay::CTX_set_options($self->{tls_ctx}->{ctx}, $tls_ctx_flags); |
d8218001 DM |
1739 | } |
1740 | ||
1741 | if ($self->{spiceproxy}) { | |
1742 | $known_methods = { CONNECT => 1 }; | |
1743 | } | |
1744 | ||
1745 | $self->open_access_log($self->{logfile}) if $self->{logfile}; | |
1746 | ||
1747 | $self->{max_conn_soft_limit} = $self->{max_conn} > 100 ? $self->{max_conn} - 20 : $self->{max_conn}; | |
1748 | ||
1749 | $self->{socket_watch} = AnyEvent->io(fh => $self->{socket}, poll => 'r', cb => sub { | |
1750 | eval { | |
1751 | if ($self->{conn_count} >= $self->{max_conn}) { | |
1752 | my $w; $w = AnyEvent->timer (after => 1, interval => 1, cb => sub { | |
1753 | if ($self->{conn_count} < $self->{max_conn}) { | |
1754 | undef $w; | |
1755 | $self->accept_connections(); | |
1756 | } | |
1757 | }); | |
1758 | } else { | |
1759 | $self->accept_connections(); | |
1760 | } | |
1761 | }; | |
1762 | warn $@ if $@; | |
1763 | }); | |
1764 | ||
1765 | $self->{term_watch} = AnyEvent->signal(signal => "TERM", cb => sub { | |
1766 | undef $self->{term_watch}; | |
1767 | $self->wait_end_loop(); | |
1768 | }); | |
1769 | ||
1770 | $self->{quit_watch} = AnyEvent->signal(signal => "QUIT", cb => sub { | |
1771 | undef $self->{quit_watch}; | |
1772 | $self->wait_end_loop(); | |
1773 | }); | |
1774 | ||
1775 | $self->{inotify_poll} = AnyEvent->timer(after => 5, interval => 5, cb => sub { | |
1776 | PVE::INotify::poll(); # read inotify events | |
1777 | }); | |
1778 | ||
1779 | return $self; | |
1780 | } | |
1781 | ||
911ede9b DM |
1782 | # static helper to add directory including all subdirs |
1783 | # This can be used to setup $self->{dirs} | |
1784 | sub add_dirs { | |
1785 | my ($result_hash, $alias, $subdir) = @_; | |
1786 | ||
1787 | $result_hash->{$alias} = $subdir; | |
1788 | ||
1789 | my $wanted = sub { | |
1790 | my $dir = $File::Find::dir; | |
1791 | if ($dir =~m!^$subdir(.*)$!) { | |
1792 | my $name = "$alias$1/"; | |
1793 | $result_hash->{$name} = "$dir/"; | |
1794 | } | |
1795 | }; | |
1796 | ||
1797 | find({wanted => $wanted, follow => 0, no_chdir => 1}, $subdir); | |
1798 | } | |
1799 | ||
fbc42b33 DM |
1800 | # abstract functions - subclass should overwrite/implement them |
1801 | ||
403964f2 DM |
1802 | sub verify_spice_connect_url { |
1803 | my ($self, $connect_str) = @_; | |
1804 | ||
1805 | die "implement me"; | |
1806 | ||
1807 | #return ($vmid, $node, $port); | |
1808 | } | |
1809 | ||
a3bb6070 DM |
1810 | # formatters can call this when the generate a new page |
1811 | sub generate_csrf_prevention_token { | |
1812 | my ($username) = @_; | |
1813 | ||
1814 | return undef; # do nothing by default | |
1815 | } | |
1816 | ||
d8218001 | 1817 | sub auth_handler { |
362dd8eb | 1818 | my ($self, $method, $rel_uri, $ticket, $token, $api_token, $peer_host) = @_; |
d8218001 | 1819 | |
b639f458 | 1820 | die "implement me"; |
d8218001 | 1821 | |
b639f458 DM |
1822 | # return { |
1823 | # ticket => $ticket, | |
1824 | # token => $token, | |
1825 | # userid => $username, | |
1826 | # age => $age, | |
1827 | # isUpload => $isUpload, | |
362dd8eb | 1828 | # api_token => $api_token, |
b639f458 | 1829 | #}; |
d8218001 DM |
1830 | } |
1831 | ||
d8218001 | 1832 | sub rest_handler { |
66a7a3a3 | 1833 | my ($self, $clientip, $method, $rel_uri, $auth, $params, $format) = @_; |
d8218001 | 1834 | |
c5f0a96f DM |
1835 | # please do not raise exceptions here (always return a result). |
1836 | ||
b639f458 DM |
1837 | return { |
1838 | status => HTTP_NOT_IMPLEMENTED, | |
1839 | message => "Method '$method $rel_uri' not implemented", | |
d8218001 | 1840 | }; |
c5f0a96f DM |
1841 | |
1842 | # this should return the following properties, which | |
1843 | # are then passed to the Formatter | |
1844 | ||
1845 | # status: HTTP status code | |
1846 | # message: Error message | |
1847 | # errors: more detailed error hash (per parameter) | |
1848 | # info: reference to JSON schema definition - useful to format output | |
1849 | # data: result data | |
1850 | ||
1851 | # total: additional info passed to output | |
1852 | # changes: additional info passed to output | |
1853 | ||
1854 | # if you want to proxy the request to another node return this | |
1855 | # { proxy => $remip, proxynode => $node, proxy_params => $params }; | |
1856 | ||
1857 | # to pass the request to the local priviledged daemon use: | |
1858 | # { proxy => 'localhost' , proxy_params => $params }; | |
20a61215 DM |
1859 | |
1860 | # to download aspecific file use: | |
1861 | # { download => "/path/to/file" }; | |
d8218001 DM |
1862 | } |
1863 | ||
1864 | sub check_cert_fingerprint { | |
1865 | my ($self, $cert) = @_; | |
1866 | ||
b639f458 DM |
1867 | die "implement me"; |
1868 | } | |
d8218001 DM |
1869 | |
1870 | sub initialize_cert_cache { | |
1871 | my ($self, $node) = @_; | |
1872 | ||
b639f458 | 1873 | die "implement me"; |
d8218001 DM |
1874 | } |
1875 | ||
1876 | sub remote_node_ip { | |
1877 | my ($self, $node) = @_; | |
1878 | ||
b639f458 | 1879 | die "implement me"; |
d8218001 | 1880 | |
b639f458 | 1881 | # return $remip; |
d8218001 DM |
1882 | } |
1883 | ||
d8218001 DM |
1884 | |
1885 | 1; |