1 | use Coro; |
1 | use Coro; |
2 | use Coro::Semaphore; |
2 | use Coro::Semaphore; |
3 | use Coro::Event; |
3 | use Coro::EV; |
4 | use Coro::Socket; |
4 | use Coro::Socket; |
5 | use Coro::Signal; |
5 | use Coro::Signal; |
6 | use Coro::AIO (); |
6 | use Coro::AIO (); |
7 | |
7 | |
8 | use HTTP::Date; |
8 | use HTTP::Date; |
… | |
… | |
26 | our $HTTP_NOW; |
26 | our $HTTP_NOW; |
27 | |
27 | |
28 | our $ERROR_LOG; |
28 | our $ERROR_LOG; |
29 | our $ACCESS_LOG; |
29 | our $ACCESS_LOG; |
30 | |
30 | |
31 | Event->timer(interval => 1, hard => 1, cb => sub { |
31 | our $update_time = EV::periodic 0, 1, undef, sub { |
32 | $NOW = time; |
32 | $NOW = time; |
33 | $HTTP_NOW = time2str $NOW; |
33 | $HTTP_NOW = time2str $NOW; |
34 | })->now; |
34 | }; |
|
|
35 | $update_time->invoke; |
35 | |
36 | |
36 | if ($ERROR_LOG) { |
37 | if ($ERROR_LOG) { |
37 | use IO::Handle; |
38 | use IO::Handle; |
38 | open $errorlog, ">>$ERROR_LOG" |
39 | open $errorlog, ">>$ERROR_LOG" |
39 | or die "$ERROR_LOG: $!"; |
40 | or die "$ERROR_LOG: $!"; |
… | |
… | |
82 | # one "execution thread" |
83 | # one "execution thread" |
83 | sub handler { |
84 | sub handler { |
84 | while () { |
85 | while () { |
85 | if (@newcons) { |
86 | if (@newcons) { |
86 | eval { |
87 | eval { |
87 | conn->new(@{pop @newcons})->handle; |
88 | conn->new (@{pop @newcons})->handle; |
88 | }; |
89 | }; |
89 | slog 1, "$@" if $@ && !ref $@; |
90 | slog 1, "$@" if $@ && !ref $@; |
90 | |
91 | |
91 | $httpevent->broadcast; # only for testing, but doesn't matter much |
92 | $httpevent->broadcast; # only for testing, but doesn't matter much |
92 | |
93 | |
… | |
… | |
122 | |
123 | |
123 | my $http_port = new Coro::Socket |
124 | my $http_port = new Coro::Socket |
124 | LocalAddr => $SERVER_HOST, |
125 | LocalAddr => $SERVER_HOST, |
125 | LocalPort => $SERVER_PORT, |
126 | LocalPort => $SERVER_PORT, |
126 | ReuseAddr => 1, |
127 | ReuseAddr => 1, |
127 | Listen => 50, |
128 | Listen => 50, |
128 | or die "unable to start server"; |
129 | or die "unable to start server"; |
129 | |
130 | |
130 | listen_on $http_port; |
131 | listen_on $http_port; |
131 | |
132 | |
132 | if ($SERVER_PORT2) { |
133 | if ($SERVER_PORT2) { |
133 | my $http_port = new Coro::Socket |
134 | my $http_port = new Coro::Socket |
134 | LocalAddr => $SERVER_HOST, |
135 | LocalAddr => $SERVER_HOST, |
135 | LocalPort => $SERVER_PORT2, |
136 | LocalPort => $SERVER_PORT2, |
136 | ReuseAddr => 1, |
137 | ReuseAddr => 1, |
137 | Listen => 50, |
138 | Listen => 50, |
138 | or die "unable to start server"; |
139 | or die "unable to start server"; |
139 | |
140 | |
140 | listen_on $http_port; |
141 | listen_on $http_port; |
141 | } |
142 | } |
142 | |
143 | |
… | |
… | |
150 | use Convert::Scalar 'weaken'; |
151 | use Convert::Scalar 'weaken'; |
151 | use IO::AIO; |
152 | use IO::AIO; |
152 | |
153 | |
153 | IO::AIO::min_parallel $::AIO_PARALLEL; |
154 | IO::AIO::min_parallel $::AIO_PARALLEL; |
154 | |
155 | |
155 | Event->io (fd => IO::AIO::poll_fileno, |
156 | our $AIO_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb; |
156 | poll => 'r', async => 1, |
|
|
157 | cb => \&IO::AIO::poll_cb); |
|
|
158 | |
157 | |
159 | our %conn; # $conn{ip}{self} => connobj |
158 | our %conn; # $conn{ip}{self} => connobj |
160 | our %uri; # $uri{ip}{uri}{self} |
159 | our %uri; # $uri{ip}{uri}{self} |
161 | our %blocked; |
160 | our %blocked; |
162 | our %mimetype; |
161 | our %mimetype; |
163 | |
162 | |
164 | sub read_mimetypes { |
163 | sub read_mimetypes { |
165 | local *M; |
|
|
166 | if (open M, "<mime_types") { |
164 | if (open my $fh, "<mime_types") { |
167 | while (<M>) { |
165 | while (<$fh>) { |
168 | if (/^([^#]\S+)\t+(\S+)$/) { |
166 | if (/^([^#]\S+)\t+(\S+)$/) { |
169 | $mimetype{lc $1} = $2; |
167 | $mimetype{lc $1} = $2; |
170 | } |
168 | } |
171 | } |
169 | } |
172 | } else { |
170 | } else { |
… | |
… | |
180 | my $class = shift; |
178 | my $class = shift; |
181 | my $fh = shift; |
179 | my $fh = shift; |
182 | my $peername = shift; |
180 | my $peername = shift; |
183 | my $self = bless { fh => $fh }, $class; |
181 | my $self = bless { fh => $fh }, $class; |
184 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
182 | my (undef, $iaddr) = unpack_sockaddr_in $peername |
185 | or $self->err(500, "unable to decode peername"); |
183 | or $self->err (500, "unable to decode peername"); |
186 | |
184 | |
187 | $self->{remote_addr} = |
185 | $self->{remote_addr} = |
188 | $self->{remote_id} = inet_ntoa $iaddr; |
186 | $self->{remote_id} = inet_ntoa $iaddr; |
189 | |
187 | |
190 | $self->{time} = $::NOW; |
188 | $self->{time} = $::NOW; |
191 | |
189 | |
192 | weaken ($Coro::current->{conn} = $self); |
190 | weaken ($Coro::current->{conn} = $self); |
193 | |
191 | |
194 | $::conns++; |
192 | ++$::conns; |
195 | $::maxconns = $::conns if $::conns > $::maxconns; |
193 | $::maxconns = $::conns if $::conns > $::maxconns; |
196 | |
194 | |
197 | $self; |
195 | $self |
198 | } |
196 | } |
199 | |
197 | |
200 | sub DESTROY { |
198 | sub DESTROY { |
201 | #my $self = shift; |
199 | my $self = shift; |
|
|
200 | |
202 | $::conns--; |
201 | --$::conns; |
203 | } |
202 | } |
204 | |
203 | |
205 | sub prune_cache { |
204 | sub prune_cache { |
206 | my $hash = $_[0]; |
205 | my $hash = $_[0]; |
207 | |
206 | |
… | |
… | |
222 | for (keys %blocked) { |
221 | for (keys %blocked) { |
223 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
222 | delete $blocked{$_} unless $blocked{$_}[0] > $::NOW; |
224 | } |
223 | } |
225 | } |
224 | } |
226 | |
225 | |
227 | Event->timer(interval => 60, cb => \&prune_caches); |
226 | our $PRUNE_WATCHER = EV::timer 60, 60, \&prune_caches; |
228 | |
227 | |
229 | sub slog { |
228 | sub slog { |
230 | my $self = shift; |
229 | my $self = shift; |
231 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
230 | main::slog($_[0], "$self->{remote_id}> $_[1]"); |
232 | } |
231 | } |
… | |
… | |
293 | $hdr->{"Content-Type"} = "text/plain"; |
292 | $hdr->{"Content-Type"} = "text/plain"; |
294 | $hdr->{"Content-Length"} = length $content; |
293 | $hdr->{"Content-Length"} = length $content; |
295 | } |
294 | } |
296 | $hdr->{"Connection"} = "close"; |
295 | $hdr->{"Connection"} = "close"; |
297 | |
296 | |
298 | $self->response($code, $msg, $hdr, $content); |
297 | $self->response ($code, $msg, $hdr, $content); |
299 | |
298 | |
300 | die bless {}, err::; |
299 | die bless {}, err:: |
301 | } |
300 | } |
302 | |
301 | |
303 | sub handle { |
302 | sub handle { |
304 | my $self = shift; |
303 | my $self = shift; |
305 | my $fh = $self->{fh}; |
304 | my $fh = $self->{fh}; |
306 | |
305 | |
307 | my $host; |
306 | my $host; |
308 | |
307 | |
309 | $fh->timeout($::REQ_TIMEOUT); |
308 | $fh->timeout($::REQ_TIMEOUT); |
310 | while() { |
309 | while () { |
311 | $self->{reqs}++; |
310 | $self->{reqs}++; |
312 | |
311 | |
313 | # read request and parse first line |
312 | # read request and parse first line |
314 | my $req = $fh->readline("\015\012\015\012"); |
313 | my $req = $fh->readline("\015\012\015\012"); |
315 | |
314 | |
… | |
… | |
424 | # uri => path mapping |
423 | # uri => path mapping |
425 | sub map_uri { |
424 | sub map_uri { |
426 | my $self = shift; |
425 | my $self = shift; |
427 | my $host = $self->{server_name}; |
426 | my $host = $self->{server_name}; |
428 | my $uri = $self->{uri}; |
427 | my $uri = $self->{uri}; |
|
|
428 | |
|
|
429 | $host =~ /[\/\\]/ |
|
|
430 | and $self->err(400, "bad request"); |
429 | |
431 | |
430 | # some massaging, also makes it more secure |
432 | # some massaging, also makes it more secure |
431 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
433 | $uri =~ s/%([0-9a-fA-F][0-9a-fA-F])/chr hex $1/ge; |
432 | $uri =~ s%//+%/%g; |
434 | $uri =~ s%//+%/%g; |
433 | $uri =~ s%/\.(?=/|$)%%g; |
435 | $uri =~ s%/\.(?=/|$)%%g; |
… | |
… | |
477 | |
479 | |
478 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
480 | if ($self->{name} =~ s%^/internal/([^/]+)%%) { |
479 | if ($::internal{$1}) { |
481 | if ($::internal{$1}) { |
480 | $::internal{$1}->($self); |
482 | $::internal{$1}->($self); |
481 | } else { |
483 | } else { |
482 | $self->err(404, "not found"); |
484 | $self->err (404, "not found"); |
483 | } |
485 | } |
484 | } else { |
486 | } else { |
485 | |
487 | |
486 | stat $path |
488 | stat $path |
487 | or $self->err(404, "not found"); |
489 | or $self->err (404, "not found"); |
488 | |
490 | |
489 | $self->{stat} = [stat _]; |
491 | $self->{stat} = [stat _]; |
490 | |
492 | |
491 | # idiotic netscape sends idiotic headers AGAIN |
493 | # idiotic netscape sends idiotic headers AGAIN |
492 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
494 | my $ims = $self->{h}{"if-modified-since"} =~ /^([^;]+)/ |
… | |
… | |
495 | if (-d _ && -r _) { |
497 | if (-d _ && -r _) { |
496 | # directory |
498 | # directory |
497 | if ($path !~ /\/$/) { |
499 | if ($path !~ /\/$/) { |
498 | # create a redirect to get the trailing "/" |
500 | # create a redirect to get the trailing "/" |
499 | # we don't try to avoid the :80 |
501 | # we don't try to avoid the :80 |
500 | $self->err(301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
502 | $self->err (301, "moved permanently", { Location => "http://".$self->server_hostport."$self->{uri}/" }); |
501 | } else { |
503 | } else { |
502 | $ims < $self->{stat}[9] |
504 | $ims < $self->{stat}[9] |
503 | or $self->err(304, "not modified"); |
505 | or $self->err (304, "not modified"); |
504 | |
506 | |
505 | if (-r "$path/index.html") { |
507 | if (-r "$path/index.html") { |
506 | # replace directory "size" by index.html filesize |
508 | # replace directory "size" by index.html filesize |
507 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
509 | $self->{stat} = [stat ($self->{path} .= "/index.html")]; |
508 | $self->handle_file($queue_index, $tbf_top); |
510 | $self->handle_file ($queue_index, $tbf_top); |
509 | } else { |
511 | } else { |
510 | $self->handle_dir; |
512 | $self->handle_dir; |
511 | } |
513 | } |
512 | } |
514 | } |
513 | } elsif (-f _ && -r _) { |
515 | } elsif (-f _ && -r _) { |
514 | -x _ and $self->err(403, "forbidden"); |
516 | -x _ and $self->err (403, "forbidden"); |
515 | |
517 | |
516 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
518 | if (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
517 | my $timeout = $::NOW + 10; |
519 | my $timeout = $::NOW + 10; |
518 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
520 | while (keys %{$conn{$self->{remote_id}}} > $::MAX_TRANSFERS_IP) { |
519 | if ($timeout < $::NOW) { |
521 | if ($timeout < $::NOW) { |
… | |
… | |
522 | $httpevent->wait; |
524 | $httpevent->wait; |
523 | } |
525 | } |
524 | } |
526 | } |
525 | } |
527 | } |
526 | |
528 | |
527 | $self->handle_file($queue_file, $tbf_top); |
529 | $self->handle_file ($queue_file, $tbf_top); |
528 | } else { |
530 | } else { |
529 | $self->err(404, "not found"); |
531 | $self->err (404, "not found"); |
530 | } |
532 | } |
531 | } |
533 | } |
532 | } |
534 | } |
533 | |
535 | |
534 | sub handle_dir { |
536 | sub handle_dir { |
535 | my $self = shift; |
537 | my $self = shift; |
536 | my $idx = $self->diridx; |
538 | my $idx = $self->diridx; |
537 | |
539 | |
538 | $self->response(200, "ok", |
540 | $self->response (200, "ok", |
539 | { |
541 | { |
540 | "Content-Type" => "text/html; charset=utf-8", |
542 | "Content-Type" => "text/html; charset=utf-8", |
541 | "Content-Length" => length $idx, |
543 | "Content-Length" => length $idx, |
542 | "Last-Modified" => time2str ($self->{stat}[9]), |
544 | "Last-Modified" => time2str ($self->{stat}[9]), |
543 | }, |
545 | }, |
… | |
… | |
553 | }; |
555 | }; |
554 | |
556 | |
555 | my @code = (200, "ok"); |
557 | my @code = (200, "ok"); |
556 | my ($l, $h); |
558 | my ($l, $h); |
557 | |
559 | |
558 | if ($self->{h}{range} =~ /^bytes=(.*)$/) { |
560 | if ($self->{h}{range} =~ /^bytes=(.*)$/i) { |
559 | for (split /,/, $1) { |
561 | for (split /,/, $1) { |
560 | if (/^-(\d+)$/) { |
562 | if (/^-(\d+)$/) { |
561 | ($l, $h) = ($length - $1, $length - 1); |
563 | ($l, $h) = ($length - $1, $length - 1); |
562 | } elsif (/^(\d+)-(\d*)$/) { |
564 | } elsif (/^(\d+)-(\d*)$/) { |
563 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
565 | ($l, $h) = ($1, ($2 ne "" || $2 >= $length) ? $2 : $length - 1); |
… | |
… | |
567 | } |
569 | } |
568 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
570 | goto satisfiable if $l >= 0 && $l < $length && $h >= 0 && $h >= $l; |
569 | } |
571 | } |
570 | $hdr->{"Content-Range"} = "bytes */$length"; |
572 | $hdr->{"Content-Range"} = "bytes */$length"; |
571 | $hdr->{"Content-Length"} = $length; |
573 | $hdr->{"Content-Length"} = $length; |
572 | $self->err(416, "not satisfiable", $hdr, ""); |
574 | $self->err (416, "not satisfiable", $hdr, ""); |
573 | |
575 | |
574 | satisfiable: |
576 | satisfiable: |
575 | # check for segmented downloads |
577 | # check for segmented downloads |
576 | if ($l && $::NO_SEGMENTED) { |
578 | if ($l && $::NO_SEGMENTED) { |
577 | my $timeout = $::NOW + 15; |
579 | my $timeout = $::NOW + 15; |
578 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
580 | while (keys %{$uri{$self->{remote_id}}{$self->{uri}}} > 1) { |
579 | if ($timeout <= $::NOW) { |
581 | if ($timeout <= $::NOW) { |
580 | $self->block($::BLOCKTIME, "segmented downloads are forbidden"); |
582 | $self->block ($::BLOCKTIME, "segmented downloads are forbidden"); |
581 | #$self->err_segmented_download; |
583 | #$self->err_segmented_download; |
582 | } else { |
584 | } else { |
583 | $httpevent->wait; |
585 | $httpevent->wait; |
584 | } |
586 | } |
585 | } |
587 | } |
… | |
… | |
596 | |
598 | |
597 | $self->{path} =~ /\.([^.]+)$/; |
599 | $self->{path} =~ /\.([^.]+)$/; |
598 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
600 | $hdr->{"Content-Type"} = $mimetype{lc $1} || "application/octet-stream"; |
599 | $hdr->{"Content-Length"} = $length; |
601 | $hdr->{"Content-Length"} = $length; |
600 | |
602 | |
601 | $self->response(@code, $hdr, ""); |
603 | $self->response (@code, $hdr, ""); |
602 | |
604 | |
603 | if ($self->{method} eq "GET") { |
605 | if ($self->{method} eq "GET") { |
604 | $self->{time} = $::NOW; |
606 | $self->{time} = $::NOW; |
605 | $self->{written} = 0; |
607 | $self->{written} = 0; |
606 | |
608 | |
607 | my $fh; |
|
|
608 | |
|
|
609 | open $fh, "<", $self->{path} |
609 | open my $fh, "<", $self->{path} |
610 | or die "$self->{path}: late open failure ($!)"; |
610 | or die "$self->{path}: late open failure ($!)"; |
611 | |
611 | |
612 | $h -= $l - 1; |
612 | $h -= $l - 1; |
613 | |
613 | |
614 | if (0) { # !AIO |
|
|
615 | if ($l) { |
|
|
616 | sysseek $fh, $l, 0; |
|
|
617 | } |
|
|
618 | } |
|
|
619 | |
|
|
620 | my $transfer = $queue->start_transfer($h); |
614 | my $transfer = $queue->start_transfer ($h); |
621 | my $locked; |
615 | my $locked; |
622 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
616 | my $bufsize = $::WAIT_BUFSIZE; # initial buffer size |
623 | |
617 | |
624 | while ($h > 0) { |
618 | while ($h > 0) { |
625 | unless ($locked) { |
619 | unless ($locked) { |
626 | if ($locked ||= $transfer->try($::WAIT_INTERVAL)) { |
620 | if ($locked ||= $transfer->try ($::WAIT_INTERVAL)) { |
627 | $bufsize = $::BUFSIZE; |
621 | $bufsize = $::BUFSIZE; |
628 | $self->{time} = $::NOW; |
622 | $self->{time} = $::NOW; |
629 | $self->{written} = 0; |
623 | $self->{written} = 0; |
630 | } |
624 | } |
631 | } |
625 | } |