package PVE::RESTHandler;
use strict;
-no strict 'refs'; # our autoload requires this
use warnings;
-use PVE::SafeSyslog;
+
+use Clone qw(clone);
+use HTTP::Status qw(:constants :is status_message);
+use Text::Wrap;
+
use PVE::Exception qw(raise raise_param_exc);
use PVE::JSONSchema;
+use PVE::SafeSyslog;
use PVE::Tools;
-use HTTP::Status qw(:constants :is status_message);
-use Text::Wrap;
-use Clone qw(clone);
my $method_registry = {};
my $method_by_name = {};
our $AUTOLOAD; # it's a package global
+our $standard_output_options = {
+ 'output-format' => PVE::JSONSchema::get_standard_option('pve-output-format'),
+ noheader => {
+ description => "Do not show column headers (for 'text' format).",
+ type => 'boolean',
+ optional => 1,
+ default => 0,
+ },
+ noborder => {
+ description => "Do not draw borders (for 'text' format).",
+ type => 'boolean',
+ optional => 1,
+ default => 0,
+ },
+ quiet => {
+ description => "Suppress printing results.",
+ type => 'boolean',
+ optional => 1,
+ },
+ 'human-readable' => {
+ description => "Call output rendering functions to produce human readable text.",
+ type => 'boolean',
+ optional => 1,
+ default => 1,
+ }
+};
+
sub api_clone_schema {
- my ($schema) = @_;
+ my ($schema, $no_typetext) = @_;
my $res = {};
my $ref = ref($schema);
my ($name, $idx) = ($1, $2);
if ($idx == 0 && defined($d->{"${name}1"})) {
$p = "${name}[n]";
- } elsif (defined($d->{"${name}0"})) {
+ } elsif ($idx > 0 && defined($d->{"${name}0"})) {
next; # only handle once for -xx0, but only if -xx0 exists
}
}
my $tmp = ref($pd) ? clone($pd) : $pd;
- # NOTE: add typetext property for more complex types, to
- # make the web api viewer code simpler
- if (!(defined($tmp->{enum}) || defined($tmp->{pattern}))) {
+ # NOTE: add typetext property for complexer types, to make the web api-viewer code simpler
+ if (!$no_typetext && !(defined($tmp->{enum}) || defined($tmp->{pattern}))) {
my $typetext = PVE::JSONSchema::schema_get_type_text($tmp);
if ($tmp->{type} && ($tmp->{type} ne $typetext)) {
$tmp->{typetext} = $typetext;
}
sub api_dump_full {
- my ($tree, $index, $class, $prefix) = @_;
+ my ($tree, $index, $class, $prefix, $raw_dump) = @_;
$prefix = '' if !$prefix;
$path =~ s/\/+$//;
if ($info->{subclass}) {
- api_dump_full($tree, $index, $info->{subclass}, $path);
+ api_dump_full($tree, $index, $info->{subclass}, $path, $raw_dump);
} else {
next if !$path;
$k eq "path";
my $d = $info->{$k};
-
- if ($k eq 'parameters') {
- $data->{$k} = api_clone_schema($d);
- } else {
- $data->{$k} = ref($d) ? clone($d) : $d;
+ if ($raw_dump) {
+ $data->{$k} = $d;
+ } else {
+ if ($k eq 'parameters') {
+ $data->{$k} = api_clone_schema($d);
+ } elsif ($k eq 'returns') {
+ $data->{$k} = api_clone_schema($d, 1);
+ } else {
+ $data->{$k} = ref($d) ? clone($d) : $d;
+ }
}
- }
+ }
$res->{info}->{$info->{method}} = $data;
};
}
}
+# api_dump_remove_refs: prepare API tree for use with to_json($tree)
+sub api_dump_remove_refs {
+ my ($tree) = @_;
+
+ my $class = ref($tree);
+ return $tree if !$class;
+
+ if ($class eq 'ARRAY') {
+ my $res = [];
+ foreach my $el (@$tree) {
+ push @$res, api_dump_remove_refs($el);
+ }
+ return $res;
+ } elsif ($class eq 'HASH') {
+ my $res = {};
+ foreach my $k (keys %$tree) {
+ if (my $itemclass = ref($tree->{$k})) {
+ if ($itemclass eq 'CODE') {
+ next if $k eq 'completion' || $k eq 'proxyto_callback';
+ }
+ $res->{$k} = api_dump_remove_refs($tree->{$k});
+ } else {
+ $res->{$k} = $tree->{$k};
+ }
+ }
+ return $res;
+ } elsif ($class eq 'Regexp') {
+ return "$tree"; # return string representation
+ } else {
+ die "unknown class '$class'\n";
+ }
+}
+
sub api_dump {
- my ($class, $prefix) = @_;
+ my ($class, $prefix, $raw_dump) = @_;
my $tree = [];
my $index = {};
- api_dump_full($tree, $index, $class);
+ api_dump_full($tree, $index, $class, $prefix, $raw_dump);
api_dump_cleanup_tree($tree);
return $tree;
};
$errprefix = "register method ${self}/$info->{path} -";
$info->{method} = 'GET' if !$info->{method};
$method = $info->{method};
+
+ # apply default value
+ $info->{allowtoken} = 1 if !defined($info->{allowtoken});
}
$method_path_lookup->{$self} = {} if !defined($method_path_lookup->{$self});
my $path_lookup = $method_path_lookup->{$self};
die "$errprefix no path" if !defined($info->{path});
-
+
foreach my $comp (split(/\/+/, $info->{path})) {
die "$errprefix path compoment has zero length\n" if $comp eq '';
my ($name, $regex);
- if ($comp =~ m/^\{(\w+)(:(.*))?\}$/) {
+ if ($comp =~ m/^\{([\w-]+)(?::(.*))?\}$/) {
$name = $1;
- $regex = $3 ? $3 : '\S+';
+ $regex = $2 ? $2 : '\S+';
push @$match_re, $regex;
push @$match_name, $name;
} else {
}
if ($regex) {
- $path_lookup->{regex} = {} if !defined($path_lookup->{regex});
+ $path_lookup->{regex} = {} if !defined($path_lookup->{regex});
my $old_name = $path_lookup->{regex}->{match_name};
die "$errprefix found changed regex match name\n"
if defined($old_re) && ($old_re ne $regex);
$path_lookup->{regex}->{match_name} = $name;
$path_lookup->{regex}->{match_re} = $regex;
-
+
die "$errprefix path match error - regex and fixed items\n"
if defined($path_lookup->{folders});
$path_lookup = $path_lookup->{regex};
-
+
} else {
- $path_lookup->{folders}->{$name} = {} if !defined($path_lookup->{folders}->{$name});
+ $path_lookup->{folders}->{$name} = {} if !defined($path_lookup->{folders}->{$name});
die "$errprefix path match error - regex and fixed items\n"
if defined($path_lookup->{regex});
}
}
- die "$errprefix duplicate method definition\n"
+ die "$errprefix duplicate method definition\n"
if defined($path_lookup->{$method});
if ($method eq 'SUBCLASS') {
my ($this) = @_;
# also see "man perldiag"
-
+
my $sub = $AUTOLOAD;
(my $method = $sub) =~ s/.*:://;
my $info = $this->map_method_by_name($method);
- *{$sub} = sub {
- my $self = shift;
- return $self->handle($info, @_);
- };
+ {
+ no strict 'refs'; ## no critic (ProhibitNoStrict)
+ *{$sub} = sub {
+ my $self = shift;
+ return $self->handle($info, @_);
+ };
+ }
goto &$AUTOLOAD;
}
} else {
die "internal error";
}
-
+
return undef if !$path_lookup;
if (my $info = $path_lookup->{SUBCLASS}) {
if (defined($fd)) {
# we only support the empty string '' (match whole URI)
- die "unsupported fragmentDelimiter '$fd'"
+ die "unsupported fragmentDelimiter '$fd'"
if $fd ne '';
$stack = [ join ('/', @$stack) ] if scalar(@$stack) > 1;
return ($handler_class, $method_info);
}
+my sub untaint_recursive : prototype($) {
+ use feature 'current_sub';
+
+ my ($param) = @_;
+
+ my $ref = ref($param);
+ if ($ref eq 'HASH') {
+ $param->{$_} = __SUB__->($param->{$_}) for keys $param->%*;
+ } elsif ($ref eq 'ARRAY') {
+ for (my $i = 0; $i < scalar($param->@*); $i++) {
+ $param->[$i] = __SUB__->($param->[$i]);
+ }
+ } else {
+ if (defined($param)) {
+ my ($newval) = $param =~ /^(.*)$/s;
+ $param = $newval;
+ }
+ }
+
+ return $param;
+};
+
+# convert arrays to strings where we expect a '-list' format and convert scalar
+# values to arrays when we expect an array (because of www-form-urlencoded)
+#
+# only on the top level, since www-form-urlencoded cannot be nested anyway
+#
+# FIXME: change gui/api calls to not rely on this during 8.x, mark the
+# behaviour deprecated with 9.x, and remove it with 10.x
+my $normalize_legacy_param_formats = sub {
+ my ($param, $schema) = @_;
+
+ return $param if !$schema->{properties};
+ return $param if (ref($param) // '') ne 'HASH';
+
+ for my $key (keys $schema->{properties}->%*) {
+ if (my $value = $param->{$key}) {
+ my $type = $schema->{properties}->{$key}->{type} // '';
+ my $format = $schema->{properties}->{$key}->{format} // '';
+ my $ref = ref($value);
+ if ($ref && $ref eq 'ARRAY' && $type eq 'string' && $format =~ m/-list$/) {
+ $param->{$key} = join(',', $value->@*);
+ } elsif (!$ref && $type eq 'array') {
+ $param->{$key} = [$value];
+ }
+ }
+ }
+
+ return $param;
+};
+
sub handle {
- my ($self, $info, $param) = @_;
+ my ($self, $info, $param, $result_verification) = @_;
my $func = $info->{code};
if (!($info->{name} && $func)) {
- raise("Method lookup failed ('$info->{name}')\n",
- code => HTTP_INTERNAL_SERVER_ERROR);
+ raise("Method lookup failed ('$info->{name}')\n", code => HTTP_INTERNAL_SERVER_ERROR);
}
if (my $schema = $info->{parameters}) {
# warn "validate ". Dumper($param}) . "\n" . Dumper($schema);
+ $param = $normalize_legacy_param_formats->($param, $schema);
PVE::JSONSchema::validate($param, $schema);
# untaint data (already validated)
- my $extra = delete $param->{'extra-args'};
- while (my ($key, $val) = each %$param) {
- ($param->{$key}) = $val =~ /^(.*)$/s;
- }
- $param->{'extra-args'} = [map { /^(.*)$/ } @$extra] if $extra;
+ $param = untaint_recursive($param);
}
- my $result = &$func($param);
+ my $result = $func->($param); # the actual API code execution call
- # todo: this is only to be safe - disable?
- if (my $schema = $info->{returns}) {
+ if ($result_verification && (my $schema = $info->{returns})) {
+ # return validation is rather lose-lose, as it can require quite a bit of time and lead to
+ # false-positive errors, any HTTP API handler should avoid enabling it by default.
PVE::JSONSchema::validate($result, $schema, "Result verification failed\n");
}
-
return $result;
}
# $style: 'config', 'config-sub', 'arg' or 'fixed'
# $mapdef: parameter mapping ({ desc => XXX, func => sub {...} })
my $get_property_description = sub {
- my ($name, $style, $phash, $format, $hidepw, $mapdef) = @_;
+ my ($name, $style, $phash, $format, $mapdef) = @_;
my $res = '';
my $type_text = PVE::JSONSchema::schema_get_type_text($phash, $style);
- if ($hidepw && $name eq 'password') {
- $type_text = '';
- }
-
if ($mapdef && $phash->{type} eq 'string') {
$type_text = $mapdef->{desc};
}
chomp $wdescr;
$wdescr =~ s/^$/+/mg;
+ $wdescr =~ s/{/\\{/g;
+ $wdescr =~ s/}/\\}/g;
+
$res .= $wdescr . "\n";
if (my $req = $phash->{requires}) {
die "unknown style '$style'";
}
- my $tmp = sprintf " %-10s %s$defaulttxt\n", $display_name, "$type_text";
+ my $tmp = sprintf " %-10s %s%s\n", $display_name, "$type_text", "$defaulttxt";
my $indend = " ";
$res .= Text::Wrap::wrap('', $indend, ($tmp));
- $res .= "\n",
$res .= Text::Wrap::wrap($indend, $indend, ($descr)) . "\n\n";
if (my $req = $phash->{requires}) {
return $res if !defined($mapping_array);
foreach my $item (@$mapping_array) {
- my ($name, $func, $desc);
+ my ($name, $func, $desc, $interactive);
if (ref($item) eq 'ARRAY') {
- ($name, $func, $desc) = @$item;
+ ($name, $func, $desc, $interactive) = @$item;
+ } elsif (ref($item) eq 'HASH') {
+ # just use the hash
+ $res->{$item->{name}} = $item;
+ next;
} else {
$name = $item;
$func = sub { return PVE::Tools::file_get_contents($_[0]) };
}
$desc //= '<filepath>';
- $res->{$name} = { desc => $desc, func => $func };
+ $res->{$name} = { desc => $desc, func => $func, interactive => $interactive };
}
return $res;
# generate usage information for command line tools
#
-# $name ... the name of the method
+# $info ... method info
# $prefix ... usually something like "$exename $cmd" ('pvesm add')
-# $arg_param ... list of parameters we want to get as ordered arguments
+# $arg_param ... list of parameters we want to get as ordered arguments
# on the command line (or single parameter name for lists)
# $fixed_param ... do not generate and info about those parameters
# $format:
# 'short' ... command line only (text, one line)
# 'full' ... text, include description
# 'asciidoc' ... generate asciidoc for man pages (like 'full')
-# $hidepw ... hide password option (use this if you provide a read passwork callback)
-# $param_mapping_func ... mapping for string parameters to file path parameters
-sub usage_str {
- my ($self, $name, $prefix, $arg_param, $fixed_param, $format, $hidepw, $param_mapping_func) = @_;
+# $param_cb ... mapping for string parameters to file path parameters
+# $formatter_properties ... additional property definitions (passed to output formatter)
+sub getopt_usage {
+ my ($info, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties) = @_;
$format = 'long' if !$format;
- my $info = $self->map_method_by_name($name);
my $schema = $info->{parameters};
- my $prop = $schema->{properties};
+ my $name = $info->{name};
+ my $prop = {};
+ if ($schema->{properties}) {
+ $prop = { %{$schema->{properties}} }; # copy
+ }
+
+ my $has_output_format_option = $formatter_properties->{'output-format'} ? 1 : 0;
+
+ if ($formatter_properties) {
+ foreach my $key (keys %$formatter_properties) {
+ if (!$standard_output_options->{$key}) {
+ $prop->{$key} = $formatter_properties->{$key};
+ }
+ }
+ }
+
+ # also remove $standard_output_options from $prop (pvesh, pveclient)
+ if ($prop->{'output-format'}) {
+ $has_output_format_option = 1;
+ foreach my $key (keys %$prop) {
+ if ($standard_output_options->{$key}) {
+ delete $prop->{$key};
+ }
+ }
+ }
my $out = '';
foreach my $k (@$arg_param) {
next if defined($fixed_param->{$k}); # just to be sure
next if !$prop->{$k}; # just to be sure
- $argdescr .= &$get_property_description($k, 'fixed', $prop->{$k}, $format, 0);
+ $argdescr .= $get_property_description->($k, 'fixed', $prop->{$k}, $format);
}
my $idx_param = {}; # -vlan\d+ -scsi\d+
my $opts = '';
+
+ my $type_specific_opts = {};
+
foreach my $k (sort keys %$prop) {
next if $arg_hash->{$k};
next if defined($fixed_param->{$k});
my $type_text = $prop->{$k}->{type} || 'string';
- next if $hidepw && ($k eq 'password') && !$prop->{$k}->{optional};
+ if ($prop->{$k}->{oneOf}) {
+ $type_text = 'multiple';
+ }
+
+ my $param_map = {};
+
+ if (defined($param_cb)) {
+ my $mapping = $param_cb->($name);
+ $param_map = $compute_param_mapping_hash->($mapping);
+ next if $k eq 'password' && $param_map->{$k} && !$prop->{$k}->{optional};
+ }
my $base = $k;
if ($k =~ m/^([a-z]+)(\d+)$/) {
}
}
- my $param_mapping_hash = $compute_param_mapping_hash->(&$param_mapping_func($name))
- if $param_mapping_func;
-
- $opts .= &$get_property_description($base, 'arg', $prop->{$k}, $format,
- $hidepw, $param_mapping_hash->{$k});
+ my $is_optional = $prop->{$k}->{optional} // 0;
+
+ if (my $type_property = $prop->{$k}->{'type-property'}) {
+ # save type specific descriptions for later
+ my $type_schema = $prop->{$type_property};
+ if ($prop->{$k}->{oneOf}) {
+ # it's optional if there are less options than types
+ $is_optional = 1 if scalar($type_schema->{enum}->@*) > scalar($prop->{$k}->{oneOf}->@*);
+ for my $alternative ($prop->{$k}->{oneOf}->@*) {
+ # it's optional if at least one variant is optional
+ $is_optional = 1 if $alternative->{optional};
+ for my $type ($alternative->{'instance-types'}->@*) {
+ my $key = "${type_property}=${type}";
+ $type_specific_opts->{$key} //= "";
+ $type_specific_opts->{$key}
+ .= $get_property_description->($base, 'arg', $alternative, $format, $param_map->{$k});
+ }
+ }
+ } elsif (my $types = $prop->{$k}->{'instance-types'}) {
+ # it's optional if not all types has that option
+ $is_optional = 1 if scalar($type_schema->{enum}->@*) > scalar($types->@*);
+ for my $type ($types->@*) {
+ my $key = "${type_property}=${type}";
+ $type_specific_opts->{$key} //= "";
+ $type_specific_opts->{$key}
+ .= $get_property_description->($base, 'arg', $prop->{$k}, $format, $param_map->{$k});
+ }
+ }
+ } elsif ($prop->{$k}->{oneOf}) {
+ my $res = [];
+ for my $alternative ($prop->{$k}->{oneOf}->@*) {
+ # it's optional if at least one variant is optional
+ $is_optional = 1 if $alternative->{optional};
+ push $res->@*, $get_property_description->($base, 'arg', $alternative, $format, $param_map->{$k});
+ }
+ if ($format eq 'asciidoc') {
+ $opts .= join("\n\nor\n\n", $res->@*);
+ } else {
+ $opts .= join(" or\n\n", $res->@*);
+ }
+ } else {
+ $opts .= $get_property_description->($base, 'arg', $prop->{$k}, $format, $param_map->{$k});
+ }
- if (!$prop->{$k}->{optional}) {
+ if (!$is_optional) {
$args .= " " if $args;
$args .= "--$base <$type_text>"
}
- }
+ }
if ($format eq 'asciidoc') {
$out .= "*${prefix}*";
$out .= " `$args`" if $args;
- $out .= $opts ? " `[OPTIONS]`\n" : "\n";
+ $out .= " `[OPTIONS]`" if $opts;
+ $out .= " `[FORMAT_OPTIONS]`" if $has_output_format_option;
+ $out .= "\n";
} else {
$out .= "USAGE: " if $format ne 'short';
$out .= "$prefix $args";
- $out .= $opts ? " [OPTIONS]\n" : "\n";
+ $out .= " [OPTIONS]" if $opts;
+ $out .= " [FORMAT_OPTIONS]" if $has_output_format_option;
+ $out .= "\n";
}
return $out if $format eq 'short';
$out .= $opts if $opts;
+ if (scalar(keys $type_specific_opts->%*)) {
+ if ($format eq 'asciidoc') {
+ $out .= "\n\n\n`Conditional options:`\n\n";
+ } else {
+ $out .= " Conditional options:\n\n";
+ }
+ }
+
+ for my $type_opts (sort keys $type_specific_opts->%*) {
+ if ($format eq 'asciidoc') {
+ $out .= "`[$type_opts]` ;;\n\n";
+ } else {
+ $out .= " [$type_opts]\n\n";
+ }
+ $out .= $type_specific_opts->{$type_opts};
+ }
+
return $out;
}
+sub usage_str {
+ my ($self, $name, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties) = @_;
+
+ my $info = $self->map_method_by_name($name);
+
+ return getopt_usage($info, $prefix, $arg_param, $fixed_param, $format, $param_cb, $formatter_properties);
+}
+
# generate docs from JSON schema properties
sub dump_properties {
my ($prop, $format, $style, $filterFn) = @_;
my $raw = '';
$style //= 'config';
-
+
my $idx_param = {}; # -vlan\d+ -scsi\d+
foreach my $k (sort keys %$prop) {
}
}
- $raw .= &$get_property_description($base, $style, $phash, $format, 0);
+ if ($phash->{oneOf}) {
+ for my $alternative ($phash->{oneOf}->@*) {
+ $raw .= $get_property_description->($base, $style, $alternative, $format);
+ }
+ } else {
+ $raw .= $get_property_description->($base, $style, $phash, $format);
+ }
+
next if $style ne 'config';
next if !(ref($prop_fmt) && (ref($prop_fmt) eq 'HASH'));
$raw .= dump_properties($prop_fmt, $format, 'config-sub')
-
+
}
return $raw;
}
my $replace_file_names_with_contents = sub {
- my ($param, $param_mapping_hash) = @_;
+ my ($param, $param_map) = @_;
- while (my ($k, $d) = each %$param_mapping_hash) {
+ while (my ($k, $d) = each %$param_map) {
+ next if $d->{interactive}; # handled by the JSONSchema's get_options code
$param->{$k} = $d->{func}->($param->{$k})
if defined($param->{$k});
}
return $param;
};
+sub add_standard_output_properties {
+ my ($propdef, $list) = @_;
+
+ $propdef //= {};
+
+ $list //= [ keys %$standard_output_options ];
+
+ my $res = { %$propdef }; # copy
+
+ foreach my $opt (@$list) {
+ die "no such standard output option '$opt'\n" if !defined($standard_output_options->{$opt});
+ die "detected overwriten standard CLI parameter '$opt'\n" if defined($res->{$opt});
+ $res->{$opt} = $standard_output_options->{$opt};
+ }
+
+ return $res;
+}
+
+sub extract_standard_output_properties {
+ my ($data) = @_;
+
+ my $options = {};
+ foreach my $opt (keys %$standard_output_options) {
+ $options->{$opt} = delete $data->{$opt} if defined($data->{$opt});
+ }
+
+ return $options;
+}
+
sub cli_handler {
- my ($self, $prefix, $name, $args, $arg_param, $fixed_param, $pwcallback, $param_mapping_func) = @_;
+ my ($self, $prefix, $name, $args, $arg_param, $fixed_param, $param_cb, $formatter_properties) = @_;
my $info = $self->map_method_by_name($name);
-
my $res;
+ my $fmt_param = {};
+
eval {
- my $param = PVE::JSONSchema::get_options($info->{parameters}, $args, $arg_param, $fixed_param, $pwcallback);
+ my $param_map = {};
+ $param_map = $compute_param_mapping_hash->($param_cb->($name)) if $param_cb;
+ my $schema = { %{$info->{parameters}} }; # copy
+ $schema->{properties} = { %{$schema->{properties}}, %$formatter_properties } if $formatter_properties;
+ my $param = PVE::JSONSchema::get_options($schema, $args, $arg_param, $fixed_param, $param_map);
+
+ if ($formatter_properties) {
+ foreach my $opt (keys %$formatter_properties) {
+ $fmt_param->{$opt} = delete $param->{$opt} if defined($param->{$opt});
+ }
+ }
- if (defined($param_mapping_func)) {
- my $param_mapping_hash = $compute_param_mapping_hash->(&$param_mapping_func($name));
- &$replace_file_names_with_contents($param, $param_mapping_hash);
+ if (defined($param_map)) {
+ $replace_file_names_with_contents->($param, $param_map);
}
- $res = $self->handle($info, $param);
+ $res = $self->handle($info, $param, 1);
};
if (my $err = $@) {
my $ec = ref($err);
die $err if !$ec || $ec ne "PVE::Exception" || !$err->is_param_exc();
-
- $err->{usage} = $self->usage_str($name, $prefix, $arg_param, $fixed_param, 'short', $pwcallback, $param_mapping_func);
+
+ $err->{usage} = $self->usage_str($name, $prefix, $arg_param, $fixed_param, 'short', $param_cb, $formatter_properties);
die $err;
}
- return $res;
+ return wantarray ? ($res, $fmt_param) : $res;
}
# utility methods
projects / pve-common.git / blobdiff