]>
git.proxmox.com Git - pve-common.git/blob - src/PVE/JSONSchema.pm
1 package PVE
:: JSONSchema
;
5 use Storable
; # for dclone
7 use Devel
:: Cycle
- quiet
; # todo: remove?
8 use PVE
:: Tools
qw(split_list $IPV6RE $IPV4RE ) ;
9 use PVE
:: Exception
qw(raise) ;
10 use HTTP
:: Status
qw(:constants) ;
11 use Net
:: IP
qw(:PROC) ;
17 register_standard_option
21 # Note: This class implements something similar to JSON schema, but it is not 100% complete.
22 # see: http://tools.ietf.org/html/draft-zyp-json-schema-02
23 # see: http://json-schema.org/
25 # the code is similar to the javascript parser from http://code.google.com/p/jsonschema/
27 my $standard_options = {};
28 sub register_standard_option
{
29 my ( $name, $schema ) = @_ ;
31 die "standard option ' $name ' already registered \n "
32 if $standard_options ->{ $name };
34 $standard_options ->{ $name } = $schema ;
37 sub get_standard_option
{
38 my ( $name, $base ) = @_ ;
40 my $std = $standard_options ->{ $name };
41 die "no such standard option ' $name ' \n " if ! $std ;
43 my $res = $base || {};
45 foreach my $opt ( keys %$std ) {
46 next if defined ( $res ->{ $opt });
47 $res ->{ $opt } = $std ->{ $opt };
53 register_standard_option
( 'pve-vmid' , {
54 description
=> "The (unique) ID of the VM." ,
55 type
=> 'integer' , format
=> 'pve-vmid' ,
59 register_standard_option
( 'pve-node' , {
60 description
=> "The cluster node name." ,
61 type
=> 'string' , format
=> 'pve-node' ,
64 register_standard_option
( 'pve-node-list' , {
65 description
=> "List of cluster node names." ,
66 type
=> 'string' , format
=> 'pve-node-list' ,
69 register_standard_option
( 'pve-iface' , {
70 description
=> "Network interface name." ,
71 type
=> 'string' , format
=> 'pve-iface' ,
72 minLength
=> 2 , maxLength
=> 20 ,
75 register_standard_option
( 'pve-storage-id' , {
76 description
=> "The storage identifier." ,
77 type
=> 'string' , format
=> 'pve-storage-id' ,
80 register_standard_option
( 'pve-config-digest' , {
81 description
=> 'Prevent changes if current configuration file has different SHA1 digest. This can be used to prevent concurrent modifications.' ,
84 maxLength
=> 40 , # sha1 hex digest lenght is 40
87 register_standard_option
( 'extra-args' , {
88 description
=> "Extra arguments as array" ,
90 items
=> { type
=> 'string' },
97 my ( $format, $code ) = @_ ;
99 die "JSON schema format ' $format ' already registered \n "
100 if $format_list ->{ $format };
102 $format_list ->{ $format } = $code ;
107 return $format_list ->{ $format };
110 # register some common type for pve
112 register_format
( 'string' , sub {}); # allow format => 'string-list'
114 register_format
( 'urlencoded' , \
& pve_verify_urlencoded
);
115 sub pve_verify_urlencoded
{
116 my ( $text, $noerr ) = @_ ;
117 if ( $text !~ /^[-%a-zA-Z0-9_.!~*'()]*$/ ) {
118 return undef if $noerr ;
119 die "invalid urlencoded string: $text\n " ;
124 register_format
( 'pve-configid' , \
& pve_verify_configid
);
125 sub pve_verify_configid
{
126 my ( $id, $noerr ) = @_ ;
128 if ( $id !~ m/^[a-z][a-z0-9_]+$/i ) {
129 return undef if $noerr ;
130 die "invalid configuration ID ' $id ' \n " ;
135 PVE
:: JSONSchema
:: register_format
( 'pve-storage-id' , \
& parse_storage_id
);
136 sub parse_storage_id
{
137 my ( $storeid, $noerr ) = @_ ;
139 if ( $storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i ) {
140 return undef if $noerr ;
141 die "storage ID ' $storeid ' contains illegal characters \n " ;
147 register_format
( 'pve-vmid' , \
& pve_verify_vmid
);
148 sub pve_verify_vmid
{
149 my ( $vmid, $noerr ) = @_ ;
151 if ( $vmid !~ m/^[1-9][0-9]{2,8}$/ ) {
152 return undef if $noerr ;
153 die "value does not look like a valid VM ID \n " ;
158 register_format
( 'pve-node' , \
& pve_verify_node_name
);
159 sub pve_verify_node_name
{
160 my ( $node, $noerr ) = @_ ;
162 if ( $node !~ m/^([a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?)$/ ) {
163 return undef if $noerr ;
164 die "value does not look like a valid node name \n " ;
169 register_format
( 'ipv4' , \
& pve_verify_ipv4
);
170 sub pve_verify_ipv4
{
171 my ( $ipv4, $noerr ) = @_ ;
173 if ( $ipv4 !~ m/^(?:$IPV4RE)$/ ) {
174 return undef if $noerr ;
175 die "value does not look like a valid IPv4 address \n " ;
180 register_format
( 'ipv6' , \
& pve_verify_ipv6
);
181 sub pve_verify_ipv6
{
182 my ( $ipv6, $noerr ) = @_ ;
184 if ( $ipv6 !~ m/^(?:$IPV6RE)$/ ) {
185 return undef if $noerr ;
186 die "value does not look like a valid IPv6 address \n " ;
191 register_format
( 'ip' , \
& pve_verify_ip
);
193 my ( $ip, $noerr ) = @_ ;
195 if ( $ip !~ m/^(?:(?:$IPV4RE)|(?:$IPV6RE))$/ ) {
196 return undef if $noerr ;
197 die "value does not look like a valid IP address \n " ;
202 my $ipv4_mask_hash = {
219 '255.255.128.0' => 17 ,
220 '255.255.192.0' => 18 ,
221 '255.255.224.0' => 19 ,
222 '255.255.240.0' => 20 ,
223 '255.255.248.0' => 21 ,
224 '255.255.252.0' => 22 ,
225 '255.255.254.0' => 23 ,
226 '255.255.255.0' => 24 ,
227 '255.255.255.128' => 25 ,
228 '255.255.255.192' => 26 ,
229 '255.255.255.224' => 27 ,
230 '255.255.255.240' => 28 ,
231 '255.255.255.248' => 29 ,
232 '255.255.255.252' => 30
235 register_format
( 'ipv4mask' , \
& pve_verify_ipv4mask
);
236 sub pve_verify_ipv4mask
{
237 my ( $mask, $noerr ) = @_ ;
239 if (! defined ( $ipv4_mask_hash ->{ $mask })) {
240 return undef if $noerr ;
241 die "value does not look like a valid IP netmask \n " ;
246 register_format
( 'CIDRv6' , \
& pve_verify_cidrv6
);
247 sub pve_verify_cidrv6
{
248 my ( $cidr, $noerr ) = @_ ;
250 if ( $cidr =~ m!^(?:$IPV6RE)(?:/(\d+))$! && ( $1 > 7 ) && ( $1 <= 120 )) {
254 return undef if $noerr ;
255 die "value does not look like a valid IPv6 CIDR network \n " ;
258 register_format
( 'CIDRv4' , \
& pve_verify_cidrv4
);
259 sub pve_verify_cidrv4
{
260 my ( $cidr, $noerr ) = @_ ;
262 if ( $cidr =~ m!^(?:$IPV4RE)(?:/(\d+))$! && ( $1 > 7 ) && ( $1 <= 32 )) {
266 return undef if $noerr ;
267 die "value does not look like a valid IPv4 CIDR network \n " ;
270 register_format
( 'CIDR' , \
& pve_verify_cidr
);
271 sub pve_verify_cidr
{
272 my ( $cidr, $noerr ) = @_ ;
274 if (!( pve_verify_cidrv4
( $cidr, 1 ) ||
275 pve_verify_cidrv6
( $cidr, 1 )))
277 return undef if $noerr ;
278 die "value does not look like a valid CIDR network \n " ;
284 register_format
( 'pve-ipv4-config' , \
& pve_verify_ipv4_config
);
285 sub pve_verify_ipv4_config
{
286 my ( $config, $noerr ) = @_ ;
288 return $config if $config =~ /^(?:dhcp|manual)$/ ||
289 pve_verify_cidrv4
( $config, 1 );
290 return undef if $noerr ;
291 die "value does not look like a valid ipv4 network configuration \n " ;
294 register_format
( 'pve-ipv6-config' , \
& pve_verify_ipv6_config
);
295 sub pve_verify_ipv6_config
{
296 my ( $config, $noerr ) = @_ ;
298 return $config if $config =~ /^(?:auto|dhcp|manual)$/ ||
299 pve_verify_cidrv6
( $config, 1 );
300 return undef if $noerr ;
301 die "value does not look like a valid ipv6 network configuration \n " ;
304 register_format
( 'email' , \
& pve_verify_email
);
305 sub pve_verify_email
{
306 my ( $email, $noerr ) = @_ ;
308 # we use same regex as in Utils.js
309 if ( $email !~ /^(\w+)([\-+.][\w]+)*@(\w[\-\w]*\.){1,5}([A-Za-z]){2,63}$/ ) {
310 return undef if $noerr ;
311 die "value does not look like a valid email address \n " ;
316 register_format
( 'dns-name' , \
& pve_verify_dns_name
);
317 sub pve_verify_dns_name
{
318 my ( $name, $noerr ) = @_ ;
320 my $namere = "([a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?)" ;
322 if ( $name !~ /^(${namere}\.)*${namere}$/ ) {
323 return undef if $noerr ;
324 die "value does not look like a valid DNS name \n " ;
329 # network interface name
330 register_format
( 'pve-iface' , \
& pve_verify_iface
);
331 sub pve_verify_iface
{
332 my ( $id, $noerr ) = @_ ;
334 if ( $id !~ m/^[a-z][a-z0-9_]{1,20}([:\.]\d+)?$/i ) {
335 return undef if $noerr ;
336 die "invalid network interface name ' $id ' \n " ;
341 # general addresses by name or IP
342 register_format
( 'address' , \
& pve_verify_address
);
343 sub pve_verify_address
{
344 my ( $addr, $noerr ) = @_ ;
346 if (!( pve_verify_ip
( $addr, 1 ) ||
347 pve_verify_dns_name
( $addr, 1 )))
349 return undef if $noerr ;
350 die "value does not look like a valid address: $addr\n " ;
355 register_format
( 'disk-size' , \
& pve_verify_disk_size
);
356 sub pve_verify_disk_size
{
357 my ( $size, $noerr ) = @_ ;
358 if (! defined ( parse_size
( $size ))) {
359 return undef if $noerr ;
360 die "value does not look like a valid disk size: $size\n " ;
365 register_standard_option
( 'spice-proxy' , {
366 description
=> "SPICE proxy server. This can be used by the client to specify the proxy server. All nodes in a cluster runs 'spiceproxy', so it is up to the client to choose one. By default, we return the node where the VM is currently running. As resonable setting is to use same node you use to connect to the API (This is window.location.hostname for the JS GUI)." ,
367 type
=> 'string' , format
=> 'address' ,
370 register_standard_option
( 'remote-viewer-config' , {
371 description
=> "Returned values can be directly passed to the 'remote-viewer' application." ,
372 additionalProperties
=> 1 ,
374 type
=> { type
=> 'string' },
375 password
=> { type
=> 'string' },
376 proxy
=> { type
=> 'string' },
377 host
=> { type
=> 'string' },
378 'tls-port' => { type
=> 'integer' },
382 register_format
( 'pve-startup-order' , \
& pve_verify_startup_order
);
383 sub pve_verify_startup_order
{
384 my ( $value, $noerr ) = @_ ;
386 return $value if pve_parse_startup_order
( $value );
388 return undef if $noerr ;
390 die "unable to parse startup options \n " ;
393 sub pve_parse_startup_order
{
396 return undef if ! $value ;
400 foreach my $p ( split ( /,/ , $value )) {
401 next if $p =~ m/^\s*$/ ;
403 if ( $p =~ m/^(order=)?(\d+)$/ ) {
405 } elsif ( $p =~ m/^up=(\d+)$/ ) {
407 } elsif ( $p =~ m/^down=(\d+)$/ ) {
417 PVE
:: JSONSchema
:: register_standard_option
( 'pve-startup-order' , {
418 description
=> "Startup and shutdown behavior. Order is a non-negative number defining the general startup order. Shutdown in done with reverse ordering. Additionally you can set the 'up' or 'down' delay in seconds, which specifies a delay to wait before the next VM is started or stopped." ,
420 type
=> 'string' , format
=> 'pve-startup-order' ,
421 typetext
=> '[[order=]\d+] [,up=\d+] [,down=\d+] ' ,
425 my ( $format, $value, $path ) = @_ ;
427 return parse_property_string
( $format, $value, $path ) if ref ( $format ) eq 'HASH' ;
428 return if $format eq 'regex' ;
430 if ( $format =~ m/^(.*)-a?list$/ ) {
432 my $code = $format_list ->{ $1 };
434 die "undefined format ' $format ' \n " if ! $code ;
436 # Note: we allow empty lists
437 foreach my $v ( split_list
( $value )) {
441 } elsif ( $format =~ m/^(.*)-opt$/ ) {
443 my $code = $format_list ->{ $1 };
445 die "undefined format ' $format ' \n " if ! $code ;
447 return if ! $value ; # allow empty string
453 my $code = $format_list ->{ $format };
455 die "undefined format ' $format ' \n " if ! $code ;
457 return parse_property_string
( $code, $value, $path ) if ref ( $code ) eq 'HASH' ;
465 return undef if $value !~ m/^(\d+(\.\d+)?)([KMGT])?$/ ;
466 my ( $size, $unit ) = ( $1, $3 );
469 $size = $size * 1024 ;
470 } elsif ( $unit eq 'M' ) {
471 $size = $size * 1024 * 1024 ;
472 } elsif ( $unit eq 'G' ) {
473 $size = $size * 1024 * 1024 * 1024 ;
474 } elsif ( $unit eq 'T' ) {
475 $size = $size * 1024 * 1024 * 1024 * 1024 ;
486 my $kb = int ( $size/1024 );
487 return $size if $kb*1024 != $size ;
489 my $mb = int ( $kb/1024 );
490 return "${kb}K" if $mb*1024 != $kb ;
492 my $gb = int ( $mb/1024 );
493 return "${mb}M" if $gb*1024 != $mb ;
495 my $tb = int ( $gb/1024 );
496 return "${gb}G" if $tb*1024 != $gb ;
501 sub parse_property_string
{
502 my ( $format, $data, $path, $additional_properties ) = @_ ;
504 # In property strings we default to not allowing additional properties
505 $additional_properties = 0 if ! defined ( $additional_properties );
510 foreach my $part ( split ( /,/ , $data )) {
511 next if $part =~ /^\s*$/ ;
513 if ( $part =~ /^([^=]+)=(.+)$/ ) {
514 my ( $k, $v ) = ( $1, $2 );
515 die "duplicate key in comma-separated list property: $k\n " if defined ( $res ->{ $k });
516 my $schema = $format ->{ $k };
517 if ( my $alias = $schema ->{ alias
}) {
518 if ( my $key_alias = $schema ->{ keyAlias
}) {
519 die "key alias ' $key_alias ' is already defined \n " if defined ( $res ->{ $key_alias });
520 $res ->{ $key_alias } = $k ;
523 $schema = $format ->{ $k };
526 die "invalid key in comma-separated list property: $k\n " if ! $schema ;
527 if ( $schema ->{ type
} && $schema ->{ type
} eq 'boolean' ) {
528 $v = 1 if $v =~ m/^(1|on|yes|true)$/i ;
529 $v = 0 if $v =~ m/^(0|off|no|false)$/i ;
532 } elsif ( $part !~ /=/ ) {
533 die "duplicate key in comma-separated list property: $default_key\n " if $default_key ;
534 foreach my $key ( keys %$format ) {
535 if ( $format ->{ $key }->{ default_key
}) {
537 if (! $res ->{ $default_key }) {
538 $res ->{ $default_key } = $part ;
541 die "duplicate key in comma-separated list property: $default_key\n " ;
544 die "value without key, but schema does not define a default key \n " if ! $default_key ;
546 die "missing key in comma-separated list property \n " ;
551 check_object
( $path, $format, $res, $additional_properties, $errors );
552 if ( scalar ( %$errors )) {
553 raise
"format error \n " , errors
=> $errors ;
560 my ( $errors, $path, $msg ) = @_ ;
562 $path = '_root' if ! $path ;
564 if ( $errors ->{ $path }) {
565 $errors ->{ $path } = join ( ' \n ' , $errors ->{ $path }, $msg );
567 $errors ->{ $path } = $msg ;
574 # see 'man perlretut'
575 return $value =~ /^[+-]?(\d+\.\d+|\d+\.|\.\d+|\d+)([eE][+-]?\d+)?$/ ;
581 return $value =~ m/^[+-]?\d+$/ ;
585 my ( $path, $type, $value, $errors ) = @_ ;
589 if (! defined ( $value )) {
590 return 1 if $type eq 'null' ;
594 if ( my $tt = ref ( $type )) {
595 if ( $tt eq 'ARRAY' ) {
596 foreach my $t ( @$type ) {
598 check_type
( $path, $t, $value, $tmperr );
599 return 1 if ! scalar ( %$tmperr );
601 my $ttext = join ( '|' , @$type );
602 add_error
( $errors, $path, "type check (' $ttext ') failed" );
604 } elsif ( $tt eq 'HASH' ) {
606 check_prop
( $value, $type, $path, $tmperr );
607 return 1 if ! scalar ( %$tmperr );
608 add_error
( $errors, $path, "type check failed" );
611 die "internal error - got reference type ' $tt '" ;
616 return 1 if $type eq 'any' ;
618 if ( $type eq 'null' ) {
619 if ( defined ( $value )) {
620 add_error
( $errors, $path, "type check (' $type ') failed - value is not null" );
626 my $vt = ref ( $value );
628 if ( $type eq 'array' ) {
629 if (! $vt || $vt ne 'ARRAY' ) {
630 add_error
( $errors, $path, "type check (' $type ') failed" );
634 } elsif ( $type eq 'object' ) {
635 if (! $vt || $vt ne 'HASH' ) {
636 add_error
( $errors, $path, "type check (' $type ') failed" );
640 } elsif ( $type eq 'coderef' ) {
641 if (! $vt || $vt ne 'CODE' ) {
642 add_error
( $errors, $path, "type check (' $type ') failed" );
648 add_error
( $errors, $path, "type check (' $type ') failed - got $vt " );
651 if ( $type eq 'string' ) {
652 return 1 ; # nothing to check ?
653 } elsif ( $type eq 'boolean' ) {
654 #if ($value =~ m/^(1|true|yes|on)$/i) {
657 #} elsif ($value =~ m/^(0|false|no|off)$/i) {
658 } elsif ( $value eq '0' ) {
661 add_error
( $errors, $path, "type check (' $type ') failed - got ' $value '" );
664 } elsif ( $type eq 'integer' ) {
665 if (! is_integer
( $value )) {
666 add_error
( $errors, $path, "type check (' $type ') failed - got ' $value '" );
670 } elsif ( $type eq 'number' ) {
671 if (! is_number
( $value )) {
672 add_error
( $errors, $path, "type check (' $type ') failed - got ' $value '" );
677 return 1 ; # no need to verify unknown types
687 my ( $path, $schema, $value, $additional_properties, $errors ) = @_ ;
689 # print "Check Object " . Dumper($value) . "\nSchema: " . Dumper($schema);
691 my $st = ref ( $schema );
692 if (! $st || $st ne 'HASH' ) {
693 add_error
( $errors, $path, "Invalid schema definition." );
697 my $vt = ref ( $value );
698 if (! $vt || $vt ne 'HASH' ) {
699 add_error
( $errors, $path, "an object is required" );
703 foreach my $k ( keys %$schema ) {
704 check_prop
( $value ->{ $k }, $schema ->{ $k }, $path ?
" $path . $k " : $k, $errors );
707 foreach my $k ( keys %$value ) {
709 my $newpath = $path ?
" $path . $k " : $k ;
711 if ( my $subschema = $schema ->{ $k }) {
712 if ( my $requires = $subschema ->{ requires
}) {
713 if ( ref ( $requires )) {
714 #print "TEST: " . Dumper($value) . "\n", Dumper($requires) ;
715 check_prop
( $value, $requires, $path, $errors );
716 } elsif (! defined ( $value ->{ $requires })) {
717 add_error
( $errors, $path ?
" $path . $requires " : $requires,
718 "missing property - ' $newpath ' requiers this property" );
722 next ; # value is already checked above
725 if ( defined ( $additional_properties ) && ! $additional_properties ) {
726 add_error
( $errors, $newpath, "property is not defined in schema " .
727 "and the schema does not allow additional properties" );
730 check_prop
( $value ->{ $k }, $additional_properties, $newpath, $errors )
731 if ref ( $additional_properties );
735 sub check_object_warn
{
736 my ( $path, $schema, $value, $additional_properties ) = @_ ;
738 check_object
( $path, $schema, $value, $additional_properties, $errors );
739 if ( scalar ( %$errors )) {
740 foreach my $k ( keys %$errors ) {
741 warn "parse error: $k : $errors ->{ $k } \n " ;
749 my ( $value, $schema, $path, $errors ) = @_ ;
751 die "internal error - no schema" if ! $schema ;
752 die "internal error" if ! $errors ;
754 #print "check_prop $path\n" if $value;
756 my $st = ref ( $schema );
757 if (! $st || $st ne 'HASH' ) {
758 add_error
( $errors, $path, "Invalid schema definition." );
762 # if it extends another schema, it must pass that schema as well
763 if ( $schema ->{ extends
}) {
764 check_prop
( $value, $schema ->{ extends
}, $path, $errors );
767 if (! defined ( $value )) {
768 return if $schema ->{ type
} && $schema ->{ type
} eq 'null' ;
769 if (! $schema ->{ optional
} && ! $schema ->{ alias
} && ! $schema ->{ group
}) {
770 add_error
( $errors, $path, "property is missing and it is not optional" );
775 return if ! check_type
( $path, $schema ->{ type
}, $value, $errors );
777 if ( $schema ->{ disallow
}) {
779 if ( check_type
( $path, $schema ->{ disallow
}, $value, $tmperr )) {
780 add_error
( $errors, $path, "disallowed value was matched" );
785 if ( my $vt = ref ( $value )) {
787 if ( $vt eq 'ARRAY' ) {
788 if ( $schema ->{ items
}) {
789 my $it = ref ( $schema ->{ items
});
790 if ( $it && $it eq 'ARRAY' ) {
791 #die "implement me $path: $vt " . Dumper($schema) ."\n". Dumper($value);
792 die "not implemented" ;
795 foreach my $el ( @$value ) {
796 check_prop
( $el, $schema ->{ items
}, "${path}[ $ind ]" , $errors );
802 } elsif ( $schema ->{ properties
} || $schema ->{ additionalProperties
}) {
803 check_object
( $path, defined ( $schema ->{ properties
}) ?
$schema ->{ properties
} : {},
804 $value, $schema ->{ additionalProperties
}, $errors );
810 if ( my $format = $schema ->{ format
}) {
811 eval { check_format
( $format, $value, $path ); };
813 add_error
( $errors, $path, "invalid format - $@ " );
818 if ( my $pattern = $schema ->{ pattern
}) {
819 if ( $value !~ m/^$pattern$/ ) {
820 add_error
( $errors, $path, "value does not match the regex pattern" );
825 if ( defined ( my $max = $schema ->{ maxLength
})) {
826 if ( length ( $value ) > $max ) {
827 add_error
( $errors, $path, "value may only be $max characters long" );
832 if ( defined ( my $min = $schema ->{ minLength
})) {
833 if ( length ( $value ) < $min ) {
834 add_error
( $errors, $path, "value must be at least $min characters long" );
839 if ( is_number
( $value )) {
840 if ( defined ( my $max = $schema ->{ maximum
})) {
842 add_error
( $errors, $path, "value must have a maximum value of $max " );
847 if ( defined ( my $min = $schema ->{ minimum
})) {
849 add_error
( $errors, $path, "value must have a minimum value of $min " );
855 if ( my $ea = $schema ->{ enum
}) {
858 foreach my $ev ( @$ea ) {
865 add_error
( $errors, $path, "value ' $value ' does not have a value in the enumeration '" .
866 join ( ", " , @$ea ) . "'" );
873 my ( $instance, $schema, $errmsg ) = @_ ;
876 $errmsg = "Parameter verification failed. \n " if ! $errmsg ;
878 # todo: cycle detection is only needed for debugging, I guess
879 # we can disable that in the final release
880 # todo: is there a better/faster way to detect cycles?
882 find_cycle
( $instance, sub { $cycles = 1 });
884 add_error
( $errors, undef , "data structure contains recursive cycles" );
886 check_prop
( $instance, $schema, '' , $errors );
889 if ( scalar ( %$errors )) {
890 raise
$errmsg, code
=> HTTP_BAD_REQUEST
, errors
=> $errors ;
896 my $schema_valid_types = [ "string" , "object" , "coderef" , "array" , "boolean" , "number" , "integer" , "null" , "any" ];
897 my $default_schema_noref = {
898 description
=> "This is the JSON Schema for JSON Schemas." ,
899 type
=> [ "object" ],
900 additionalProperties
=> 0 ,
903 type
=> [ "string" , "array" ],
904 description
=> "This is a type definition value. This can be a simple type, or a union type" ,
909 enum
=> $schema_valid_types,
911 enum
=> $schema_valid_types,
915 description
=> "This indicates that the instance property in the instance object is not required." ,
921 description
=> "This is a definition for the properties of an object value" ,
927 description
=> "When the value is an array, this indicates the schema to use to validate each item in an array" ,
931 additionalProperties
=> {
932 type
=> [ "boolean" , "object" ],
933 description
=> "This provides a default property definition for all properties that are not explicitly defined in an object type definition." ,
940 description
=> "This indicates the minimum value for the instance property when the type of the instance value is a number." ,
945 description
=> "This indicates the maximum value for the instance property when the type of the instance value is a number." ,
949 description
=> "When the instance value is a string, this indicates minimum length of the string" ,
956 description
=> "When the instance value is a string, this indicates maximum length of the string." ,
962 description
=> "A text representation of the type (used to generate documentation)." ,
967 description
=> "When the instance value is a string, this provides a regular expression that a instance string value should match in order to be valid." ,
974 description
=> "This provides an enumeration of possible values that are valid for the instance property." ,
979 description
=> "This provides a description of the purpose the instance property. The value can be a string or it can be an object with properties corresponding to various different instance languages (with an optional default property indicating the default description)." ,
981 verbose_description
=> {
984 description
=> "This provides a more verbose description." ,
986 format_description
=> {
989 description
=> "This provides a shorter (usually just one word) description for a property used to generate descriptions for comma separated list property strings." ,
994 description
=> "This provides the title of the property" ,
997 type
=> [ "string" , "object" ],
999 description
=> "indicates a required property or a schema that must be validated if this property is present" ,
1002 type
=> [ "string" , "object" ],
1004 description
=> "This indicates what format the data is among some predefined formats which may include: \n\n date - a string following the ISO format \n address \n schema - a schema definition object \n person \n page \n html - a string representing HTML" ,
1009 description
=> "Whether this is the default key in a comma separated list property string." ,
1014 description
=> "When a key represents the same property as another it can be an alias to it, causing the parsed datastructure to use the other key to store the current value under." ,
1019 description
=> "Allows to store the current 'key' as value of another property. Only valid if used together with 'alias'." ,
1020 requires
=> 'alias' ,
1025 description
=> "This indicates the default for the instance property."
1029 description
=> "Bash completion function. This function should return a list of possible values." ,
1035 description
=> "This attribute may take the same values as the \" type \" attribute, however if the instance matches the type or if this value is an array and the instance matches any type or schema in the array, then this instance is not valid." ,
1040 description
=> "This indicates the schema extends the given schema. All instances of this schema must be valid to by the extended schema also." ,
1043 # this is from hyper schema
1046 description
=> "This defines the link relations of the instance objects" ,
1053 description
=> "This defines the target URL for the relation and can be parameterized using {propertyName} notation. It should be resolved as a URI-reference relative to the URI that was used to retrieve the instance document" ,
1057 description
=> "This is the name of the link relation" ,
1063 description
=> "For submission links, this defines the method that should be used to access the target resource" ,
1073 my $default_schema = Storable
:: dclone
( $default_schema_noref );
1075 $default_schema ->{ properties
}->{ properties
}->{ additionalProperties
} = $default_schema ;
1076 $default_schema ->{ properties
}->{ additionalProperties
}->{ properties
} = $default_schema ->{ properties
};
1078 $default_schema ->{ properties
}->{ items
}->{ properties
} = $default_schema ->{ properties
};
1079 $default_schema ->{ properties
}->{ items
}->{ additionalProperties
} = 0 ;
1081 $default_schema ->{ properties
}->{ disallow
}->{ properties
} = $default_schema ->{ properties
};
1082 $default_schema ->{ properties
}->{ disallow
}->{ additionalProperties
} = 0 ;
1084 $default_schema ->{ properties
}->{ requires
}->{ properties
} = $default_schema ->{ properties
};
1085 $default_schema ->{ properties
}->{ requires
}->{ additionalProperties
} = 0 ;
1087 $default_schema ->{ properties
}->{ extends
}->{ properties
} = $default_schema ->{ properties
};
1088 $default_schema ->{ properties
}->{ extends
}->{ additionalProperties
} = 0 ;
1090 my $method_schema = {
1092 additionalProperties
=> 0 ,
1095 description
=> "This a description of the method" ,
1100 description
=> "This indicates the name of the function to call." ,
1103 additionalProperties
=> 1 ,
1118 description
=> "The HTTP method name." ,
1119 enum
=> [ 'GET' , 'POST' , 'PUT' , 'DELETE' ],
1124 description
=> "Method needs special privileges - only pvedaemon can execute it" ,
1129 description
=> "A parameter name. If specified, all calls to this method are proxied to the host contained in that parameter." ,
1134 description
=> "Required access permissions. By default only 'root' is allowed to access this method." ,
1136 additionalProperties
=> 0 ,
1139 description
=> "Describe access permissions." ,
1143 description
=> "A simply way to allow access for 'all' authenticated users. Value 'world' is used to allow access without credentials." ,
1145 enum
=> [ 'all' , 'world' ],
1149 description
=> "Array of permission checks (prefix notation)." ,
1156 description
=> "Used internally" ,
1160 description
=> "Used internally" ,
1165 description
=> "path for URL matching (uri template)" ,
1167 fragmentDelimiter
=> {
1169 description
=> "A ways to override the default fragment delimiter '/'. This onyl works on a whole sub-class. You can set this to the empty string to match the whole rest of the URI." ,
1174 description
=> "JSON Schema for parameters." ,
1179 description
=> "Used to store page formatter information (set by PVE::RESTHandler->register_page_formatter)." ,
1184 description
=> "JSON Schema for return value." ,
1189 description
=> "method implementaion (code reference)" ,
1194 description
=> "Delegate call to this class (perl class string)." ,
1197 additionalProperties
=> 0 ,
1203 fragmentDelimiter
=> { optional
=> 1 }
1211 sub validate_schema
{
1214 my $errmsg = "internal error - unable to verify schema \n " ;
1215 validate
( $schema, $default_schema, $errmsg );
1218 sub validate_method_info
{
1221 my $errmsg = "internal error - unable to verify method info \n " ;
1222 validate
( $info, $method_schema, $errmsg );
1224 validate_schema
( $info ->{ parameters
}) if $info ->{ parameters
};
1225 validate_schema
( $info ->{ returns
}) if $info ->{ returns
};
1228 # run a self test on load
1229 # make sure we can verify the default schema
1230 validate_schema
( $default_schema_noref );
1231 validate_schema
( $method_schema );
1233 # and now some utility methods (used by pve api)
1234 sub method_get_child_link
{
1237 return undef if ! $info ;
1239 my $schema = $info ->{ returns
};
1240 return undef if ! $schema || ! $schema ->{ type
} || $schema ->{ type
} ne 'array' ;
1242 my $links = $schema ->{ links
};
1243 return undef if ! $links ;
1246 foreach my $lnk ( @$links ) {
1247 if ( $lnk ->{ href
} && $lnk ->{ rel
} && ( $lnk ->{ rel
} eq 'child' )) {
1256 # a way to parse command line parameters, using a
1257 # schema to configure Getopt::Long
1259 my ( $schema, $args, $arg_param, $fixed_param, $pwcallback ) = @_ ;
1261 if (! $schema || ! $schema ->{ properties
}) {
1262 raise
( "too many arguments \n " , code
=> HTTP_BAD_REQUEST
)
1263 if scalar ( @$args ) != 0 ;
1268 if ( $arg_param && ! ref ( $arg_param )) {
1269 my $pd = $schema ->{ properties
}->{ $arg_param };
1270 die "expected list format $pd ->{format}"
1271 if !( $pd && $pd ->{ format
} && $pd ->{ format
} =~ m/-list/ );
1272 $list_param = $arg_param ;
1276 foreach my $prop ( keys %{ $schema ->{ properties
}}) {
1277 my $pd = $schema ->{ properties
}->{ $prop };
1278 next if $list_param && $prop eq $list_param ;
1279 next if defined ( $fixed_param ->{ $prop });
1281 if ( $prop eq 'password' && $pwcallback ) {
1282 # we do not accept plain password on input line, instead
1283 # we turn this into a boolean option and ask for password below
1284 # using $pwcallback() (for security reasons).
1285 push @getopt, " $prop " ;
1286 } elsif ( $pd ->{ type
} eq 'boolean' ) {
1287 push @getopt, " $prop :s" ;
1289 if ( $pd ->{ format
} && $pd ->{ format
} =~ m/-a?list/ ) {
1290 push @getopt, " $prop =s@" ;
1292 push @getopt, " $prop =s" ;
1297 Getopt
:: Long
:: Configure
( 'prefix_pattern=(--|-)' );
1300 raise
( "unable to parse option \n " , code
=> HTTP_BAD_REQUEST
)
1301 if ! Getopt
:: Long
:: GetOptionsFromArray
( $args, $opts, @getopt );
1305 $opts ->{ $list_param } = $args ;
1307 } elsif ( ref ( $arg_param )) {
1308 foreach my $arg_name ( @$arg_param ) {
1309 if ( $opts ->{ 'extra-args' }) {
1310 raise
( "internal error: extra-args must be the last argument \n " , code
=> HTTP_BAD_REQUEST
);
1312 if ( $arg_name eq 'extra-args' ) {
1313 $opts ->{ 'extra-args' } = $args ;
1317 raise
( "not enough arguments \n " , code
=> HTTP_BAD_REQUEST
) if ! @$args ;
1318 $opts ->{ $arg_name } = shift @$args ;
1320 raise
( "too many arguments \n " , code
=> HTTP_BAD_REQUEST
) if @$args ;
1322 raise
( "too many arguments \n " , code
=> HTTP_BAD_REQUEST
)
1323 if scalar ( @$args ) != 0 ;
1327 if ( my $pd = $schema ->{ properties
}->{ password
}) {
1328 if ( $pd ->{ type
} ne 'boolean' && $pwcallback ) {
1329 if ( $opts ->{ password
} || ! $pd ->{ optional
}) {
1330 $opts ->{ password
} = & $pwcallback ();
1335 $opts = PVE
:: Tools
:: decode_utf8_parameters
( $opts );
1337 foreach my $p ( keys %$opts ) {
1338 if ( my $pd = $schema ->{ properties
}->{ $p }) {
1339 if ( $pd ->{ type
} eq 'boolean' ) {
1340 if ( $opts ->{ $p } eq '' ) {
1342 } elsif ( $opts ->{ $p } =~ m/^(1|true|yes|on)$/i ) {
1344 } elsif ( $opts ->{ $p } =~ m/^(0|false|no|off)$/i ) {
1347 raise
( "unable to parse boolean option \n " , code
=> HTTP_BAD_REQUEST
);
1349 } elsif ( $pd ->{ format
}) {
1351 if ( $pd ->{ format
} =~ m/-list/ ) {
1352 # allow --vmid 100 --vmid 101 and --vmid 100,101
1353 # allow --dow mon --dow fri and --dow mon,fri
1354 $opts ->{ $p } = join ( "," , @{ $opts ->{ $p }}) if ref ( $opts ->{ $p }) eq 'ARRAY' ;
1355 } elsif ( $pd ->{ format
} =~ m/-alist/ ) {
1356 # we encode array as \0 separated strings
1357 # Note: CGI.pm also use this encoding
1358 if ( scalar (@{ $opts ->{ $p }}) != 1 ) {
1359 $opts ->{ $p } = join ( "\0" , @{ $opts ->{ $p }});
1361 # st that split_list knows it is \0 terminated
1362 my $v = $opts ->{ $p }->[ 0 ];
1363 $opts ->{ $p } = " $v\0 " ;
1370 foreach my $p ( keys %$fixed_param ) {
1371 $opts ->{ $p } = $fixed_param ->{ $p };
1377 # A way to parse configuration data by giving a json schema
1379 my ( $schema, $filename, $raw ) = @_ ;
1381 # do fast check (avoid validate_schema($schema))
1382 die "got strange schema" if ! $schema ->{ type
} ||
1383 ! $schema ->{ properties
} || $schema ->{ type
} ne 'object' ;
1387 while ( $raw =~ /^\s*(.+?)\s*$/gm ) {
1390 next if $line =~ /^#/ ;
1392 if ( $line =~ m/^(\S+?):\s*(.*)$/ ) {
1395 if ( $schema ->{ properties
}->{ $key } &&
1396 $schema ->{ properties
}->{ $key }->{ type
} eq 'boolean' ) {
1398 $value = 1 if $value =~ m/^(1|on|yes|true)$/i ;
1399 $value = 0 if $value =~ m/^(0|off|no|false)$/i ;
1401 $cfg ->{ $key } = $value ;
1403 warn "ignore config line: $line\n "
1408 check_prop
( $cfg, $schema, '' , $errors );
1410 foreach my $k ( keys %$errors ) {
1411 warn "parse error in ' $filename ' - ' $k ': $errors ->{ $k } \n " ;
1418 # generate simple key/value file
1420 my ( $schema, $filename, $cfg ) = @_ ;
1422 # do fast check (avoid validate_schema($schema))
1423 die "got strange schema" if ! $schema ->{ type
} ||
1424 ! $schema ->{ properties
} || $schema ->{ type
} ne 'object' ;
1426 validate
( $cfg, $schema, "validation error in ' $filename ' \n " );
1430 foreach my $k ( keys %$cfg ) {
1431 $data .= " $k : $cfg ->{ $k } \n " ;
1437 # helpers used to generate our manual pages
1439 my $find_schema_default_key = sub {
1443 my $keyAliasProps = {};
1445 foreach my $key ( keys %$format ) {
1446 my $phash = $format ->{ $key };
1447 if ( $phash ->{ default_key
}) {
1448 die "multiple default keys in schema ( $default_key, $key ) \n "
1449 if defined ( $default_key );
1450 die "default key ' $key ' is an alias - this is not allowed \n "
1451 if defined ( $phash ->{ alias
});
1452 die "default key ' $key ' with keyAlias attribute is not allowed \n "
1453 if $phash ->{ keyAlias
};
1454 $default_key = $key ;
1456 my $key_alias = $phash ->{ keyAlias
};
1457 die "found keyAlias without 'alias definition for ' $key ' \n "
1458 if $key_alias && ! $phash ->{ alias
};
1460 if ( $phash ->{ alias
} && $key_alias ) {
1461 die "inconsistent keyAlias ' $key_alias ' definition"
1462 if defined ( $keyAliasProps ->{ $key_alias }) &&
1463 $keyAliasProps ->{ $key_alias } ne $phash ->{ alias
};
1464 $keyAliasProps ->{ $key_alias } = $phash ->{ alias
};
1468 return wantarray ?
( $default_key, $keyAliasProps ) : $default_key ;
1471 sub generate_typetext
{
1474 my ( $default_key, $keyAliasProps ) = & $find_schema_default_key ( $format );
1479 my $add_option_string = sub {
1480 my ( $text, $optional ) = @_ ;
1486 $text = "[ $text ]" if $optional ;
1491 my $format_key_value = sub {
1492 my ( $key, $phash ) = @_ ;
1494 die "internal error" if defined ( $phash ->{ alias
});
1500 if ( my $desc = $phash ->{ format_description
}) {
1501 $typetext .= "< $desc >" ;
1502 } elsif ( my $text = $phash ->{ typetext
}) {
1504 } elsif ( my $enum = $phash ->{ enum
}) {
1505 $typetext .= '<' . join ( '|' , @$enum ) . '>' ;
1506 } elsif ( $phash ->{ type
} eq 'boolean' ) {
1507 $typetext .= '<1|0>' ;
1508 } elsif ( $phash ->{ type
} eq 'integer' ) {
1509 $typetext .= '<integer>' ;
1510 } elsif ( $phash ->{ type
} eq 'number' ) {
1511 $typetext .= '<number>' ;
1513 die "internal error: neither format_description nor typetext found for option ' $key '" ;
1516 if ( defined ( $default_key ) && ( $default_key eq $key )) {
1517 & $add_option_string ( "[ $keytext =] $typetext " , $phash ->{ optional
});
1519 & $add_option_string ( " $keytext = $typetext " , $phash ->{ optional
});
1525 my $cond_add_key = sub {
1528 return if $done ->{ $key }; # avoid duplicates
1532 my $phash = $format ->{ $key };
1534 return if ! $phash ; # should not happen
1536 return if $phash ->{ alias
};
1538 & $format_key_value ( $key, $phash );
1542 & $cond_add_key ( $default_key ) if defined ( $default_key );
1544 # add required keys first
1545 foreach my $key ( sort keys %$format ) {
1546 my $phash = $format ->{ $key };
1547 & $cond_add_key ( $key ) if $phash && ! $phash ->{ optional
};
1551 foreach my $key ( sort keys %$format ) {
1552 & $cond_add_key ( $key );
1555 foreach my $keyAlias ( sort keys %$keyAliasProps ) {
1556 & $add_option_string ( "< $keyAlias >=< $keyAliasProps ->{ $keyAlias }>" , 1 );
1562 sub print_property_string
{
1563 my ( $data, $format, $skip, $path ) = @_ ;
1565 if ( ref ( $format ) ne 'HASH' ) {
1566 my $schema = get_format
( $format );
1567 die "not a valid format: $format\n " if ! $schema ;
1572 check_object
( $path, $format, $data, undef , $errors );
1573 if ( scalar ( %$errors )) {
1574 raise
"format error" , errors
=> $errors ;
1577 my ( $default_key, $keyAliasProps ) = & $find_schema_default_key ( $format );
1582 my $add_option_string = sub {
1585 $res .= ',' if $add_sep ;
1590 my $format_value = sub {
1591 my ( $key, $value, $format ) = @_ ;
1593 if ( defined ( $format ) && ( $format eq 'disk-size' )) {
1594 return format_size
( $value );
1596 die "illegal value with commas for $key\n " if $value =~ /,/ ;
1601 my $done = { map { $_ => 1 } @$skip };
1603 my $cond_add_key = sub {
1606 return if $done ->{ $key }; # avoid duplicates
1610 my $value = $data ->{ $key };
1612 return if ! defined ( $value );
1614 my $phash = $format ->{ $key };
1616 # try to combine values if we have key aliases
1617 if ( my $combine = $keyAliasProps ->{ $key }) {
1618 if ( defined ( my $combine_value = $data ->{ $combine })) {
1619 my $combine_format = $format ->{ $combine }->{ format
};
1620 my $value_str = & $format_value ( $key, $value, $phash ->{ format
});
1621 my $combine_str = & $format_value ( $combine, $combine_value, $combine_format );
1622 & $add_option_string ( "${value_str}=${combine_str}" );
1623 $done ->{ $combine } = 1 ;
1628 if ( $phash && $phash ->{ alias
}) {
1629 $phash = $format ->{ $phash ->{ alias
}};
1632 die "invalid key ' $key ' \n " if ! $phash ;
1633 die "internal error" if defined ( $phash ->{ alias
});
1635 my $value_str = & $format_value ( $key, $value, $phash ->{ format
});
1636 & $add_option_string ( " $key =${value_str}" );
1639 # add default key first
1640 & $cond_add_key ( $default_key ) if defined ( $default_key );
1642 # add required keys first
1643 foreach my $key ( sort keys %$data ) {
1644 my $phash = $format ->{ $key };
1645 & $cond_add_key ( $key ) if $phash && ! $phash ->{ optional
};
1649 foreach my $key ( sort keys %$data ) {
1650 & $cond_add_key ( $key );
1656 sub schema_get_type_text
{
1659 my $type = $phash ->{ type
} || 'string' ;
1661 if ( $phash ->{ typetext
}) {
1662 return $phash ->{ typetext
};
1663 } elsif ( $phash ->{ format_description
}) {
1664 return "< $phash ->{format_description}>" ;
1665 } elsif ( $phash ->{ enum
}) {
1666 return "(" . join ( ' | ' , sort @{ $phash ->{ enum
}}) . ")" ;
1667 } elsif ( $phash ->{ pattern
}) {
1668 return $phash ->{ pattern
};
1669 } elsif ( $type eq 'integer' || $type eq 'number' ) {
1670 if ( defined ( $phash ->{ minimum
}) && defined ( $phash ->{ maximum
})) {
1671 return " $type ( $phash ->{minimum} - $phash ->{maximum})" ;
1672 } elsif ( defined ( $phash ->{ minimum
})) {
1673 return " $type ( $phash ->{minimum} - N)" ;
1674 } elsif ( defined ( $phash ->{ maximum
})) {
1675 return " $type (-N - $phash ->{maximum})" ;
1677 } elsif ( $type eq 'string' ) {
1678 if ( my $format = $phash ->{ format
}) {
1679 $format = get_format
( $format ) if ref ( $format ) ne 'HASH' ;
1680 if ( ref ( $format ) eq 'HASH' ) {
1681 return generate_typetext
( $format );