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1d18e90b DM |
1 | #!/usr/bin/perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Term::ReadLine; | |
6 | use File::Basename; | |
7 | use Getopt::Long; | |
8 | use HTTP::Status qw(:constants :is status_message); | |
9 | use Text::ParseWords; | |
10 | ||
11 | use PVE::JSONSchema; | |
12 | use PVE::SafeSyslog; | |
13 | use PVE::INotify; | |
807a5c2e DM |
14 | |
15 | use PMG::RESTEnvironment; | |
1d18e90b | 16 | |
ba11e2d3 | 17 | use PMG::Ticket; |
1d18e90b DM |
18 | use PMG::Cluster; |
19 | use PMG::API2; | |
ba11e2d3 | 20 | |
1d18e90b DM |
21 | use JSON; |
22 | ||
23 | PVE::INotify::inotify_init(); | |
24 | ||
807a5c2e | 25 | my $rpcenv = PMG::RESTEnvironment->init('cli'); |
1d18e90b DM |
26 | |
27 | $rpcenv->set_language($ENV{LANG}); | |
ba11e2d3 DM |
28 | $rpcenv->set_user('root@pam'); |
29 | my $ticket = PMG::Ticket::assemble_ticket('root@pam'); | |
1d18e90b DM |
30 | |
31 | my $logid = $ENV{PVE_LOG_ID} || 'pmgsh'; | |
32 | initlog($logid); | |
33 | ||
34 | my $basedir = '/api2/json'; | |
35 | ||
36 | my $cdir = ''; | |
37 | ||
38 | sub print_usage { | |
39 | my $msg = shift; | |
40 | ||
41 | print STDERR "ERROR: $msg\n" if $msg; | |
42 | print STDERR "USAGE: pmgsh [verifyapi]\n"; | |
43 | print STDERR " pmgsh CMD [OPTIONS]\n"; | |
44 | ||
45 | } | |
46 | ||
47 | my $disable_proxy = 0; | |
48 | my $opt_nooutput = 0; | |
49 | ||
50 | my $cmd = shift; | |
51 | ||
52 | my $optmatch; | |
53 | do { | |
54 | $optmatch = 0; | |
55 | if ($cmd) { | |
56 | if ($cmd eq '--noproxy') { | |
57 | $cmd = shift; | |
58 | $disable_proxy = 1; | |
59 | $optmatch = 1; | |
60 | } elsif ($cmd eq '--nooutput') { | |
61 | # we use this when starting task in CLI (suppress printing upid) | |
62 | $cmd = shift; | |
63 | $opt_nooutput = 1; | |
64 | $optmatch = 1; | |
65 | } | |
66 | } | |
67 | } while ($optmatch); | |
68 | ||
69 | if ($cmd) { | |
70 | if ($cmd eq 'verifyapi') { | |
71 | PVE::RESTHandler::validate_method_schemas(); | |
72 | exit 0; | |
73 | } elsif ($cmd eq 'ls' || $cmd eq 'get' || $cmd eq 'create' || | |
74 | $cmd eq 'set' || $cmd eq 'delete' ||$cmd eq 'help' ) { | |
75 | pmg_command([ $cmd, @ARGV], $opt_nooutput); | |
76 | exit(0); | |
77 | } else { | |
78 | print_usage ("unknown command '$cmd'"); | |
79 | exit (-1); | |
80 | } | |
81 | } | |
82 | ||
83 | if (scalar (@ARGV) != 0) { | |
84 | print_usage(); | |
85 | exit(-1); | |
86 | } | |
87 | ||
88 | print "entering PMG shell - type 'help' for help\n"; | |
89 | ||
90 | my $term = new Term::ReadLine('pmgsh'); | |
91 | my $attribs = $term->Attribs; | |
92 | ||
93 | sub complete_path { | |
94 | my($text) = @_; | |
95 | ||
96 | my ($dir, undef, $rest) = $text =~ m|^(.*/)?(([^/]*))?$|; | |
97 | my $path = abs_path($cdir, $dir); | |
98 | ||
99 | my @res = (); | |
100 | ||
101 | my $di = dir_info($path); | |
102 | if (my $children = $di->{children}) { | |
103 | foreach my $c (@$children) { | |
104 | if ($c =~ /^\Q$rest/) { | |
105 | my $new = $dir ? "$dir$c" : $c; | |
106 | push @res, $new; | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | if (scalar(@res) == 0) { | |
112 | return undef; | |
113 | } elsif (scalar(@res) == 1) { | |
114 | return ($res[0], $res[0], "$res[0]/"); | |
115 | } | |
116 | ||
117 | # lcd : lowest common denominator | |
118 | my $lcd = ''; | |
119 | my $tmp = $res[0]; | |
120 | for (my $i = 1; $i <= length($tmp); $i++) { | |
121 | my $found = 1; | |
122 | foreach my $p (@res) { | |
123 | if (substr($tmp, 0, $i) ne substr($p, 0, $i)) { | |
124 | $found = 0; | |
125 | last; | |
126 | } | |
127 | } | |
128 | if ($found) { | |
129 | $lcd = substr($tmp, 0, $i); | |
130 | } else { | |
131 | last; | |
132 | } | |
133 | } | |
134 | ||
135 | return ($lcd, @res); | |
136 | }; | |
137 | ||
138 | # just to avoid an endless loop (called by attempted_completion_function) | |
139 | $attribs->{completion_entry_function} = sub { | |
140 | my($text, $state) = @_; | |
141 | return undef; | |
142 | }; | |
143 | ||
144 | $attribs->{attempted_completion_function} = sub { | |
145 | my ($text, $line, $start) = @_; | |
146 | ||
147 | my $prefix = substr($line, 0, $start); | |
148 | if ($prefix =~ /^\s*$/) { # first word (command completeion) | |
149 | $attribs->{completion_word} = [qw(help ls cd get set create delete quit)]; | |
150 | return $term->completion_matches($text, $attribs->{list_completion_function}); | |
151 | } | |
152 | ||
153 | if ($prefix =~ /^\s*\S+\s+$/) { # second word (path completion) | |
154 | return complete_path($text); | |
155 | } | |
156 | ||
157 | return (); | |
158 | }; | |
159 | ||
160 | sub abs_path { | |
161 | my ($current, $path) = @_; | |
162 | ||
163 | my $ret = $current; | |
164 | ||
165 | return $current if !defined($path); | |
166 | ||
167 | $ret = '' if $path =~ m|^\/|; | |
168 | ||
169 | foreach my $d (split (/\/+/ , $path)) { | |
170 | if ($d eq '.') { | |
171 | next; | |
172 | } elsif ($d eq '..') { | |
173 | $ret = dirname($ret); | |
174 | $ret = '' if $ret eq '.'; | |
175 | } else { | |
176 | $ret = "$ret/$d"; | |
177 | } | |
178 | } | |
179 | ||
180 | $ret =~ s|\/+|\/|g; | |
181 | $ret =~ s|^\/||; | |
182 | $ret =~ s|\/$||; | |
183 | ||
184 | return $ret; | |
185 | } | |
186 | ||
187 | my $read_password = sub { | |
188 | my $attribs = $term->Attribs; | |
189 | my $old = $attribs->{redisplay_function}; | |
190 | $attribs->{redisplay_function} = $attribs->{shadow_redisplay}; | |
191 | my $input = $term->readline('password: '); | |
192 | my $conf = $term->readline('Retype new password: '); | |
193 | $attribs->{redisplay_function} = $old; | |
194 | ||
195 | # remove password from history | |
196 | if ($term->Features->{autohistory}) { | |
197 | my $historyPosition = $term->where_history(); | |
198 | $term->remove_history($historyPosition); | |
199 | $term->remove_history($historyPosition - 1); | |
200 | } | |
201 | ||
202 | die "Passwords do not match.\n" if ($input ne $conf); | |
203 | return $input; | |
204 | }; | |
205 | ||
206 | sub reverse_map_cmd { | |
207 | my $method = shift; | |
208 | ||
209 | my $mmap = { | |
210 | GET => 'get', | |
211 | PUT => 'set', | |
212 | POST => 'create', | |
213 | DELETE => 'delete', | |
214 | }; | |
215 | ||
216 | my $cmd = $mmap->{$method}; | |
217 | ||
218 | die "got strange value for method ('$method') - internal error" if !$cmd; | |
219 | ||
220 | return $cmd; | |
221 | } | |
222 | ||
223 | sub map_cmd { | |
224 | my $cmd = shift; | |
225 | ||
226 | my $mmap = { | |
227 | create => 'POST', | |
228 | set => 'PUT', | |
229 | get => 'GET', | |
230 | ls => 'GET', | |
231 | delete => 'DELETE', | |
232 | }; | |
233 | ||
234 | my $method = $mmap->{$cmd}; | |
235 | ||
236 | die "unable to map method" if !$method; | |
237 | ||
238 | return $method; | |
239 | } | |
240 | ||
241 | sub check_proxyto { | |
242 | my ($info, $uri_param) = @_; | |
243 | ||
244 | if ($info->{proxyto}) { | |
245 | my $pn = $info->{proxyto}; | |
0fb55414 DM |
246 | my $node; |
247 | if ($pn eq 'master') { | |
248 | $node = PMG::Cluster::get_master_node(); | |
249 | } else { | |
250 | $node = $uri_param->{$pn}; | |
251 | die "proxy parameter '$pn' does not exists" if !$node; | |
252 | } | |
1d18e90b DM |
253 | |
254 | if ($node ne 'localhost' && ($node ne PVE::INotify::nodename())) { | |
255 | die "proxy loop detected - aborting\n" if $disable_proxy; | |
256 | my $remip = PMG::Cluster::remote_node_ip($node); | |
257 | return ($node, $remip); | |
258 | } | |
259 | } | |
260 | ||
261 | return undef; | |
262 | } | |
263 | ||
264 | sub proxy_handler { | |
265 | my ($node, $remip, $dir, $cmd, $args) = @_; | |
266 | ||
267 | my $remcmd = ['ssh', '-o', 'BatchMode=yes', "root\@$remip", | |
268 | 'pmgsh', '--noproxy', $cmd, $dir, @$args]; | |
269 | ||
270 | system(@$remcmd) == 0 || die "proxy handler failed\n"; | |
271 | } | |
272 | ||
273 | sub call_method { | |
274 | my ($dir, $cmd, $args, $nooutput) = @_; | |
275 | ||
276 | my $method = map_cmd($cmd); | |
277 | ||
278 | my $uri_param = {}; | |
279 | my ($handler, $info) = PMG::API2->find_handler($method, $dir, $uri_param); | |
280 | if (!$handler || !$info) { | |
281 | die "no '$cmd' handler for '$dir'\n"; | |
282 | } | |
283 | ||
284 | my ($node, $remip) = check_proxyto($info, $uri_param); | |
285 | return proxy_handler($node, $remip, $dir, $cmd, $args) if $node; | |
286 | ||
287 | my $data = $handler->cli_handler("$cmd $dir", $info->{name}, $args, [], $uri_param, $read_password); | |
288 | ||
289 | return if $nooutput; | |
290 | ||
291 | warn "200 OK\n"; # always print OK status if successful | |
292 | ||
293 | if ($info && $info->{returns} && $info->{returns}->{type}) { | |
294 | my $rtype = $info->{returns}->{type}; | |
295 | ||
296 | return if $rtype eq 'null'; | |
297 | ||
298 | if ($rtype eq 'string') { | |
299 | print $data if $data; | |
300 | return; | |
301 | } | |
302 | } | |
303 | ||
304 | print to_json($data, {utf8 => 1, allow_nonref => 1, canonical => 1, pretty => 1 }); | |
305 | ||
306 | return; | |
307 | } | |
308 | ||
309 | sub find_resource_methods { | |
310 | my ($path, $ihash) = @_; | |
311 | ||
312 | for my $method (qw(GET POST PUT DELETE)) { | |
313 | my $uri_param = {}; | |
314 | my $path_match; | |
315 | my ($handler, $info) = PMG::API2->find_handler($method, $path, $uri_param, \$path_match); | |
316 | if ($handler && $info && !$ihash->{$info}) { | |
317 | $ihash->{$info} = { | |
318 | path => $path_match, | |
319 | handler => $handler, | |
320 | info => $info, | |
321 | uri_param => $uri_param, | |
322 | }; | |
323 | } | |
324 | } | |
325 | } | |
326 | ||
327 | sub print_help { | |
328 | my ($path, $opts) = @_; | |
329 | ||
330 | my $ihash = {}; | |
331 | ||
332 | find_resource_methods($path, $ihash); | |
333 | ||
334 | if (!scalar(keys(%$ihash))) { | |
335 | die "no such resource\n"; | |
336 | } | |
337 | ||
338 | my $di = dir_info($path); | |
339 | if (my $children = $di->{children}) { | |
340 | foreach my $c (@$children) { | |
341 | my $cp = abs_path($path, $c); | |
342 | find_resource_methods($cp, $ihash); | |
343 | } | |
344 | } | |
345 | ||
346 | foreach my $mi (sort { $a->{path} cmp $b->{path} } values %$ihash) { | |
347 | my $method = $mi->{info}->{method}; | |
348 | ||
349 | # we skip index methods for now. | |
350 | next if ($method eq 'GET') && PVE::JSONSchema::method_get_child_link($mi->{info}); | |
351 | ||
352 | my $path = $mi->{path}; | |
353 | $path =~ s|/+$||; # remove trailing slash | |
354 | ||
355 | my $cmd = reverse_map_cmd($method); | |
356 | ||
357 | print $mi->{handler}->usage_str($mi->{info}->{name}, "$cmd $path", [], $mi->{uri_param}, | |
358 | $opts->{verbose} ? 'full' : 'short', 1); | |
359 | print "\n\n" if $opts->{verbose}; | |
360 | } | |
361 | ||
362 | }; | |
363 | ||
364 | sub resource_cap { | |
365 | my ($path) = @_; | |
366 | ||
367 | my $res = ''; | |
368 | ||
369 | my ($handler, $info) = PMG::API2->find_handler('GET', $path); | |
370 | if (!($handler && $info)) { | |
371 | $res .= '--'; | |
372 | } else { | |
373 | if (PVE::JSONSchema::method_get_child_link($info)) { | |
374 | $res .= 'Dr'; | |
375 | } else { | |
376 | $res .= '-r'; | |
377 | } | |
378 | } | |
379 | ||
380 | ($handler, $info) = PMG::API2->find_handler('PUT', $path); | |
381 | if (!($handler && $info)) { | |
382 | $res .= '-'; | |
383 | } else { | |
384 | $res .= 'w'; | |
385 | } | |
386 | ||
387 | ($handler, $info) = PMG::API2->find_handler('POST', $path); | |
388 | if (!($handler && $info)) { | |
389 | $res .= '-'; | |
390 | } else { | |
391 | $res .= 'c'; | |
392 | } | |
393 | ||
394 | ($handler, $info) = PMG::API2->find_handler('DELETE', $path); | |
395 | if (!($handler && $info)) { | |
396 | $res .= '-'; | |
397 | } else { | |
398 | $res .= 'd'; | |
399 | } | |
400 | ||
401 | return $res; | |
402 | } | |
403 | ||
404 | sub extract_children { | |
405 | my ($lnk, $data) = @_; | |
406 | ||
407 | my $res = []; | |
408 | ||
409 | return $res if !($lnk && $data); | |
410 | ||
411 | my $href = $lnk->{href}; | |
412 | if ($href =~ m/^\{(\S+)\}$/) { | |
413 | my $prop = $1; | |
414 | ||
415 | foreach my $elem (sort {$a->{$prop} cmp $b->{$prop}} @$data) { | |
416 | next if !ref($elem); | |
417 | my $value = $elem->{$prop}; | |
418 | push @$res, $value; | |
419 | } | |
420 | } | |
421 | ||
422 | return $res; | |
423 | } | |
424 | ||
425 | sub dir_info { | |
426 | my ($path) = @_; | |
427 | ||
428 | my $res = { path => $path }; | |
429 | my $uri_param = {}; | |
430 | my ($handler, $info, $pm) = PMG::API2->find_handler('GET', $path, $uri_param); | |
431 | if ($handler && $info) { | |
432 | eval { | |
433 | my $data = $handler->handle($info, $uri_param); | |
434 | my $lnk = PVE::JSONSchema::method_get_child_link($info); | |
435 | $res->{children} = extract_children($lnk, $data); | |
436 | }; # ignore errors ? | |
437 | } | |
438 | return $res; | |
439 | } | |
440 | ||
441 | sub list_dir { | |
442 | my ($dir, $args) = @_; | |
443 | ||
444 | my $uri_param = {}; | |
445 | my ($handler, $info) = PMG::API2->find_handler('GET', $dir, $uri_param); | |
446 | if (!$handler || !$info) { | |
447 | die "no such resource\n"; | |
448 | } | |
449 | ||
450 | if (!PVE::JSONSchema::method_get_child_link($info)) { | |
451 | die "resource does not define child links\n"; | |
452 | } | |
453 | ||
454 | my ($node, $remip) = check_proxyto($info, $uri_param); | |
455 | return proxy_handler($node, $remip, $dir, 'ls', $args) if $node; | |
456 | ||
457 | ||
458 | my $data = $handler->cli_handler("ls $dir", $info->{name}, $args, [], $uri_param, $read_password); | |
459 | my $lnk = PVE::JSONSchema::method_get_child_link($info); | |
460 | my $children = extract_children($lnk, $data); | |
461 | ||
462 | foreach my $c (@$children) { | |
463 | my $cap = resource_cap(abs_path($dir, $c)); | |
464 | print "$cap $c\n"; | |
465 | } | |
466 | } | |
467 | ||
468 | sub pmg_command { | |
469 | my ($args, $nooutput) = @_; | |
470 | ||
471 | $rpcenv->init_request(); | |
472 | ||
ba11e2d3 DM |
473 | $rpcenv->set_ticket($ticket); |
474 | ||
1d18e90b DM |
475 | my $cmd = shift @$args; |
476 | ||
477 | if ($cmd eq 'cd') { | |
478 | ||
479 | my $path = shift @$args; | |
480 | ||
481 | die "usage: cd [dir]\n" if scalar(@$args); | |
482 | ||
483 | if (!defined($path)) { | |
484 | $cdir = ''; | |
485 | return; | |
486 | } else { | |
487 | my $new_dir = abs_path($cdir, $path); | |
488 | my ($handler, $info) = PMG::API2->find_handler('GET', $new_dir); | |
489 | die "no such resource\n" if !$handler; | |
490 | $cdir = $new_dir; | |
491 | } | |
492 | ||
493 | } elsif ($cmd eq 'help') { | |
494 | ||
495 | my $help_usage_error = sub { | |
496 | die "usage: help [path] [--verbose]\n"; | |
497 | }; | |
498 | ||
499 | my $opts = {}; | |
500 | ||
501 | &$help_usage_error() if !Getopt::Long::GetOptionsFromArray($args, $opts, 'verbose'); | |
502 | ||
503 | my $path; | |
504 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
505 | $path = shift @$args; | |
506 | } | |
507 | ||
508 | &$help_usage_error() if scalar(@$args); | |
509 | ||
510 | print "help [path] [--verbose]\n"; | |
511 | print "cd [path]\n"; | |
512 | print "ls [path]\n\n"; | |
513 | ||
514 | print_help(abs_path($cdir, $path), $opts); | |
515 | ||
516 | } elsif ($cmd eq 'ls') { | |
517 | my $path; | |
518 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
519 | $path = shift @$args; | |
520 | } | |
521 | ||
522 | list_dir(abs_path($cdir, $path), $args); | |
523 | ||
524 | } elsif ($cmd =~ m/^get|delete|set$/) { | |
525 | ||
526 | my $path; | |
527 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
528 | $path = shift @$args; | |
529 | } | |
530 | ||
531 | call_method(abs_path($cdir, $path), $cmd, $args); | |
532 | ||
533 | } elsif ($cmd eq 'create') { | |
534 | ||
535 | my $path; | |
536 | if (scalar(@$args) && $args->[0] !~ m/^\-/) { | |
537 | $path = shift @$args; | |
538 | } | |
539 | ||
540 | call_method(abs_path($cdir, $path), $cmd, $args, $nooutput); | |
541 | ||
542 | } else { | |
543 | die "unknown command '$cmd'\n"; | |
544 | } | |
545 | ||
546 | } | |
547 | ||
548 | my $input; | |
549 | while (defined ($input = $term->readline("pmg:/$cdir> "))) { | |
550 | chomp $input; | |
551 | ||
552 | next if $input =~ m/^\s*$/; | |
553 | ||
554 | if ($input =~ m/^\s*q(uit)?\s*$/) { | |
555 | exit (0); | |
556 | } | |
557 | ||
558 | # add input to history if it gets not | |
559 | # automatically added | |
560 | if (!$term->Features->{autohistory}) { | |
561 | $term->addhistory($input); | |
562 | } | |
563 | ||
564 | eval { | |
565 | my $args = [ shellwords($input) ]; | |
566 | pmg_command($args); | |
567 | }; | |
568 | warn $@ if $@; | |
569 | } | |
570 | ||
571 | __END__ | |
572 | ||
573 | =head1 NAME | |
574 | ||
575 | pmgsh - shell interface to the Promox Mail Gateway API | |
576 | ||
577 | =head1 SYNOPSIS | |
578 | ||
579 | pmgsh [get|set|create|delete|help] [REST API path] [--verbose] | |
580 | ||
581 | =head1 DESCRIPTION | |
582 | ||
583 | pmgsh provides a shell-like interface to the Proxmox Mail Gateway API, in | |
584 | two different modes: | |
585 | ||
586 | =over | |
587 | ||
588 | =item interactive | |
589 | ||
590 | when called without parameters, pmgsh starts an interactive client, | |
591 | where you can navigate in the different parts of the API | |
592 | ||
593 | =item command line | |
594 | ||
595 | when started with parameters pmgsh will send a command to the | |
596 | corresponding REST url, and will return the JSON formatted output | |
597 | ||
598 | =back | |
599 | ||
600 | =head1 EXAMPLES | |
601 | ||
602 | get the list of nodes in my cluster | |
603 | ||
604 | pmgsh get /nodes | |
605 |