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remove read_password_func from cli handler

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we have a param_mapping now, with which we can impement that

e.g. instead of using:

sub read_password {
    # read password
}

we can do:

sub param_mapping {
    my ($name) = @_;

    my $password_map = ['password', sub{
	# read password
    }, '<password', 1];

    my $mapping = {
	'apicall1' => [$password_map],
	'apicall2' => [$password_map],
	...
    };

    return $mapping->{$name};
}

this has the advantage that we can use different subs for different
api calls (e.g. pveum passwd vs pveum ticket)

if a CLIHandler implemenation still has a read_password sub and no
param_mapping, we generate one for them with read_password as the
sub for the standard mapping 'pve-password'

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
This commit is contained in:
Dominik Csapak 2018-06-21 14:36:52 +02:00 committed by Thomas Lamprecht
parent 3c3d1e07c8
commit 4842b65105
3 changed files with 55 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
src/PVE/CLIHandler.pm
View File

@ -51,6 +51,7 @@ my $standard_mappings = {
},
},
};
sub get_standard_mapping {
my ($name, $base) = @_;
@ -67,6 +68,31 @@ sub get_standard_mapping {
return $res;
}
my $gen_param_mapping_func = sub {
my ($cli_handler_class) = @_;
my $param_mapping = $cli_handler_class->can('param_mapping');
if (!$param_mapping) {
my $read_password = $cli_handler_class->can('read_password');
my $string_param_mapping = $cli_handler_class->can('string_param_file_mapping');
return $string_param_mapping if !$read_password;
$param_mapping = sub {
my ($name) = @_;
my $password_map = get_standard_mapping('pve-password', {
func => $read_password
});
my $map = $string_param_mapping ? $string_param_mapping->($name) : [];
return [@$map, $password_map];
};
}
return $param_mapping;
};
my $assert_initialized = sub {
my @caller = caller;
die "$caller[0]:$caller[2] - not initialized\n"
@ -159,9 +185,7 @@ sub generate_usage_str {
$separator //= '';
$indent //= '';
my $read_password_func = $cli_handler_class->can('read_password');
my $param_mapping_func = $cli_handler_class->can('param_mapping') ||
$cli_handler_class->can('string_param_file_mapping');
my $param_mapping_func = $gen_param_mapping_func->($cli_handler_class);
my ($subcmd, $def, undef, undef, $cmdstr) = resolve_cmd($cmd);
$abort->("unknown command '$cmdstr'") if !defined($def) && ref($cmd) eq 'ARRAY';
@ -182,7 +206,7 @@ sub generate_usage_str {
$str .= $indent;
$str .= $class->usage_str($name, "$prefix $cmd", $arg_param,
$fixed_param, $format,
$read_password_func, $param_mapping_func);
$param_mapping_func);
$oldclass = $class;
} elsif (defined($def->{$cmd}->{alias}) && ($format eq 'asciidoc')) {
@ -206,7 +230,7 @@ sub generate_usage_str {
$str .= $indent;
$str .= $class->usage_str($name, $prefix, $arg_param, $fixed_param, $format,
$read_password_func, $param_mapping_func);
$param_mapping_func);
}
return $str;
};
@ -642,7 +666,7 @@ sub setup_environment {
}
my $handle_cmd = sub {
my ($args, $read_password_func, $preparefunc, $param_mapping_func) = @_;
my ($args, $preparefunc, $param_mapping_func) = @_;
$cmddef->{help} = [ __PACKAGE__, 'help', ['extra-args'] ];
@ -672,7 +696,7 @@ my $handle_cmd = sub {
my ($class, $name, $arg_param, $uri_param, $outsub) = @{$def || []};
$abort->("unknown command '$cmd_str'") if !$class;
my $res = $class->cli_handler($cmd_str, $name, $cmd_args, $arg_param, $uri_param, $read_password_func, $param_mapping_func);
my $res = $class->cli_handler($cmd_str, $name, $cmd_args, $arg_param, $uri_param, $param_mapping_func);
if (defined $outsub) {
my $result_schema = $class->map_method_by_name($name)->{returns};
@ -681,7 +705,7 @@ my $handle_cmd = sub {
};
my $handle_simple_cmd = sub {
my ($args, $read_password_func, $preparefunc, $param_mapping_func) = @_;
my ($args, $preparefunc, $param_mapping_func) = @_;
my ($class, $name, $arg_param, $uri_param, $outsub) = @{$cmddef};
die "no class specified" if !$class;
@ -710,7 +734,7 @@ my $handle_simple_cmd = sub {
&$preparefunc() if $preparefunc;
my $res = $class->cli_handler($name, $name, \@ARGV, $arg_param, $uri_param, $read_password_func, $param_mapping_func);
my $res = $class->cli_handler($name, $name, \@ARGV, $arg_param, $uri_param, $param_mapping_func);
if (defined $outsub) {
my $result_schema = $class->map_method_by_name($name)->{returns};
@ -734,9 +758,7 @@ sub run_cli_handler {
my $preparefunc = $params{prepare};
my $read_password_func = $class->can('read_password');
my $param_mapping_func = $cli_handler_class->can('param_mapping') ||
$class->can('string_param_file_mapping');
my $param_mapping_func = $gen_param_mapping_func->($cli_handler_class);
$exename = &$get_exe_name($class);
@ -746,9 +768,9 @@ sub run_cli_handler {
$cmddef = ${"${class}::cmddef"};
if (ref($cmddef) eq 'ARRAY') {
&$handle_simple_cmd(\@ARGV, $read_password_func, $preparefunc, $param_mapping_func);
$handle_simple_cmd->(\@ARGV, $preparefunc, $param_mapping_func);
} else {
&$handle_cmd(\@ARGV, $read_password_func, $preparefunc, $param_mapping_func);
$handle_cmd->(\@ARGV, $preparefunc, $param_mapping_func);
}
exit 0;

15
src/PVE/JSONSchema.pm
View File

@ -1338,7 +1338,7 @@ sub method_get_child_link {
# a way to parse command line parameters, using a
# schema to configure Getopt::Long
sub get_options {
my ($schema, $args, $arg_param, $fixed_param, $pwcallback, $param_mapping_hash) = @_;
my ($schema, $args, $arg_param, $fixed_param, $param_mapping_hash) = @_;
if (!$schema || !$schema->{properties}) {
raise("too many arguments\n", code => HTTP_BAD_REQUEST)
@ -1367,11 +1367,6 @@ sub get_options {
# optional and call the mapping function afterwards.
push @getopt, "$prop:s";
push @interactive, [$prop, $mapping->{func}];
} elsif ($prop eq 'password' && $pwcallback) {
# we do not accept plain password on input line, instead
# we turn this into a boolean option and ask for password below
# using $pwcallback() (for security reasons).
push @getopt, "$prop";
} elsif ($pd->{type} eq 'boolean') {
push @getopt, "$prop:s";
} else {
@ -1423,14 +1418,6 @@ sub get_options {
}
}
if (my $pd = $schema->{properties}->{password}) {
if ($pd->{type} ne 'boolean' && $pwcallback) {
if ($opts->{password} || !$pd->{optional}) {
$opts->{password} = &$pwcallback();
}
}
}
foreach my $entry (@interactive) {
my ($opt, $func) = @$entry;
my $pd = $schema->{properties}->{$opt};

36
src/PVE/RESTHandler.pm
View File

@ -432,7 +432,7 @@ sub handle {
# $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 = '';
@ -449,10 +449,6 @@ my $get_property_description = sub {
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};
}
@ -580,10 +576,9 @@ my $compute_param_mapping_hash = sub {
# '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, $param_mapping_func) = @_;
my ($self, $name, $prefix, $arg_param, $fixed_param, $format, $param_mapping_func) = @_;
$format = 'long' if !$format;
@ -616,7 +611,7 @@ sub usage_str {
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+
@ -628,7 +623,13 @@ sub usage_str {
my $type_text = $prop->{$k}->{type} || 'string';
next if $hidepw && ($k eq 'password') && !$prop->{$k}->{optional};
my $param_mapping_hash = {};
if (defined($param_mapping_func)) {
my $mapping = $param_mapping_func->($name);
$param_mapping_hash = $compute_param_mapping_hash->($mapping);
next if $k eq 'password' && $param_mapping_hash->{$k} && !$prop->{$k}->{optional};
}
my $base = $k;
if ($k =~ m/^([a-z]+)(\d+)$/) {
@ -640,11 +641,9 @@ sub usage_str {
}
}
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});
$opts .= $get_property_description->($base, 'arg', $prop->{$k}, $format,
$param_mapping_hash->{$k});
if (!$prop->{$k}->{optional}) {
$args .= " " if $args;
@ -707,7 +706,7 @@ sub dump_properties {
}
}
$raw .= &$get_property_description($base, $style, $phash, $format, 0);
$raw .= $get_property_description->($base, $style, $phash, $format);
next if $style ne 'config';
@ -740,14 +739,15 @@ my $replace_file_names_with_contents = sub {
};
sub cli_handler {
my ($self, $prefix, $name, $args, $arg_param, $fixed_param, $read_password_func, $param_mapping_func) = @_;
my ($self, $prefix, $name, $args, $arg_param, $fixed_param, $param_mapping_func) = @_;
my $info = $self->map_method_by_name($name);
my $res;
eval {
my $param_mapping_hash = $compute_param_mapping_hash->($param_mapping_func->($name)) if $param_mapping_func;
my $param = PVE::JSONSchema::get_options($info->{parameters}, $args, $arg_param, $fixed_param, $read_password_func, $param_mapping_hash);
my $param_mapping_hash = {};
$param_mapping_hash = $compute_param_mapping_hash->($param_mapping_func->($name)) if $param_mapping_func;
my $param = PVE::JSONSchema::get_options($info->{parameters}, $args, $arg_param, $fixed_param, $param_mapping_hash);
if (defined($param_mapping_hash)) {
&$replace_file_names_with_contents($param, $param_mapping_hash);
@ -760,7 +760,7 @@ sub cli_handler {
die $err if !$ec || $ec ne "PVE::Exception" || !$err->is_param_exc();
$err->{usage} = $self->usage_str($name, $prefix, $arg_param, $fixed_param, 'short', $read_password_func, $param_mapping_func);
$err->{usage} = $self->usage_str($name, $prefix, $arg_param, $fixed_param, 'short', $param_mapping_func);
die $err;
}