X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=lib%2FCGI%2FEx%2FApp.pm;h=c44d716d39b48a2214975c961d8edaa39d95405e;hb=b6e904ff7b346908d0662aae9a9c5f7d976dd85e;hp=296285893b1e55f18783cfc7c24a5d9504215cf6;hpb=8abbacc82b52f460bef67c1923ae98873a95e123;p=chaz%2Fp5-CGI-Ex diff --git a/lib/CGI/Ex/App.pm b/lib/CGI/Ex/App.pm index 2962858..c44d716 100644 --- a/lib/CGI/Ex/App.pm +++ b/lib/CGI/Ex/App.pm @@ -10,7 +10,7 @@ use strict; use vars qw($VERSION); BEGIN { - $VERSION = '2.08'; + $VERSION = '2.17'; Time::HiRes->import('time') if eval {require Time::HiRes}; eval {require Scalar::Util}; @@ -33,6 +33,8 @@ sub new { $self->init; + $self->init_from_conf; + return $self; } @@ -42,6 +44,65 @@ sub destroy {} ###----------------------------------------------------------------### +sub init_from_conf { + my $self = shift; + return if ! $self->load_conf; + my $conf = $self->conf; + @{ $self }{ keys %$conf } = values %$conf; + return; +} + +sub load_conf { shift->{'load_conf'} ||= @_ ? 1 : 0 } + +sub conf { + my $self = shift; + return $self->{'conf'} ||= do { + my $conf = $self->conf_obj->read($self->conf_file, {no_warn_on_fail => 1}) || croak $@; + my $hash = $self->conf_validation; + if ($hash && scalar keys %$hash) { + my $err_obj = $self->vob->validate($conf, $hash); + die $err_obj if $err_obj; + } + $conf; + } +} + +sub conf_path { + my $self = shift; + return $self->{'conf_path'} || $self->base_dir_abs; +} + +sub conf_file { + my $self = shift; + return $self->{'conf_file'} ||= do { + my $module = $self->name_module || croak 'Missing name_module during conf_file call'; + $module .'.'. $self->conf_ext; + }; +} + +sub conf_ext { + my $self = shift; + $self->{'conf_ext'} = shift if @_ == 1; + return $self->{'conf_ext'} || 'pl'; +} + +sub conf_args { shift->{'conf_args'} || {} } + +sub conf_obj { + my $self = shift; + return $self->{'conf_obj'} || do { + my $args = $self->conf_args; + $args->{'paths'} ||= $self->conf_path; + $args->{'directive'} ||= 'MERGE'; + require CGI::Ex::Conf; + CGI::Ex::Conf->new($args); + }; +} + +sub conf_validation {} + +###----------------------------------------------------------------### + sub navigate { my ($self, $args) = @_; $self = $self->new($args) if ! ref $self; @@ -49,18 +110,12 @@ sub navigate { $self->{'_time'} = time; eval { - ### allow for authentication - my $ref = $self->require_auth; - if ($ref && ! ref $ref) { - return $self if ! $self->get_valid_auth; - } - ### a chance to do things at the very beginning return $self if ! $self->{'_no_pre_navigate'} && $self->pre_navigate; ### run the step loop eval { - local $self->{'__morph_lineage_start_index'} = $#{$self->{'__morph_lineage'} || []}; + local $self->{'_morph_lineage_start_index'} = $#{$self->{'_morph_lineage'} || []}; $self->nav_loop; }; if ($@) { @@ -86,8 +141,8 @@ sub nav_loop { my $self = shift; ### keep from an infinate nesting - local $self->{'recurse'} = $self->{'recurse'} || 0; - if ($self->{'recurse'} ++ >= $self->recurse_limit) { + local $self->{'_recurse'} = $self->{'_recurse'} || 0; + if ($self->{'_recurse'}++ >= $self->recurse_limit) { my $err = "recurse_limit (".$self->recurse_limit.") reached"; $err .= " number of jumps (".$self->{'jumps'}.")" if ($self->{'jumps'} || 0) > 1; croak $err; @@ -98,8 +153,6 @@ sub nav_loop { ### allow for an early return return if $self->pre_loop($path); # a true value means to abort the navigate - my $req_auth = ref($self->require_auth) ? $self->require_auth : undef; - ### iterate on each step of the path foreach ($self->{'path_i'} ||= 0; $self->{'path_i'} <= $#$path; @@ -113,17 +166,18 @@ sub nav_loop { $step = $1; # untaint ### allow for per-step authentication - if ($req_auth - && $req_auth->{$step} - && ! $self->get_valid_auth) { - return; + if (! $self->is_authed) { + my $req = $self->run_hook('require_auth', $step, 1); + if (ref($req) ? $req->{$step} : $req) { # in the hash - or true + return if ! $self->get_valid_auth; + } } ### allow for becoming another package (allows for some steps in external files) $self->morph($step); ### allow for mapping path_info pieces to form elements - if (my $info = $ENV{'PATH_INFO'}) { + if (my $info = $self->path_info) { my $maps = $self->run_hook('path_info_map', $step) || []; croak 'Usage: sub path_info_map { [[qr{/path_info/(\w+)}, "keyname"]] }' if ! UNIVERSAL::isa($maps, 'ARRAY') || (@$maps && ! UNIVERSAL::isa($maps->[0], 'ARRAY')); @@ -177,15 +231,22 @@ sub handle_error { my $self = shift; my $err = shift; - die $err; + die $err if $self->{'_handling_error'}; + local $self->{'_handling_error'} = 1; + local $self->{'_recurse'} = 0; # allow for this next step - even if we hit a recurse error + + $self->stash->{'error_step'} = $self->current_step; + $self->stash->{'error'} = $err; + $self->replace_path($self->error_step); + $self->jump; # exits nav loop when finished } ###----------------------------------------------------------------### -sub default_step { shift->{'default_step'} || 'main' } - -sub js_step { shift->{'js_step'} || 'js' } - +sub default_step { shift->{'default_step'} || 'main' } +sub js_step { shift->{'js_step'} || 'js' } +sub login_step { shift->{'login_step'} || '__login' } +sub error_step { shift->{'error_step'} || '__error' } sub forbidden_step { shift->{'forbidden_step'} || '__forbidden' } sub step_key { shift->{'step_key'} || 'step' } @@ -195,8 +256,8 @@ sub path { if (! $self->{'path'}) { my $path = $self->{'path'} = []; # empty path - ### add initial items to the form hash from path_info - if (my $info = $ENV{'PATH_INFO'}) { + ### add initial items to the form hash from path_info5B + if (my $info = $self->path_info) { my $maps = $self->path_info_map_base || []; croak 'Usage: sub path_info_map_base { [[qr{/path_info/(\w+)}, "keyname"]] }' if ! UNIVERSAL::isa($maps, 'ARRAY') || (@$maps && ! UNIVERSAL::isa($maps->[0], 'ARRAY')); @@ -284,9 +345,9 @@ sub exit_nav_loop { my $self = shift; ### undo morphs - if (my $ref = $self->{'__morph_lineage'}) { + if (my $ref = $self->{'_morph_lineage'}) { ### use the saved index - this allows for early "morphers" to only get rolled back so far - my $index = $self->{'__morph_lineage_start_index'}; + my $index = $self->{'_morph_lineage_start_index'}; $index = -1 if ! defined $index; $self->unmorph while $#$ref != $index; } @@ -464,6 +525,8 @@ sub dump_history { $note .= ' - {}'; } elsif (ref($resp) eq 'ARRAY' && ! @$resp) { $note .= ' - []'; + } elsif (! defined $resp) { + $note .= ' - undef'; } elsif (! ref $resp || ! $all) { my $max = $self->{'history_max'} || 30; if (length($resp) > $max) { @@ -502,7 +565,7 @@ sub morph { my $allow = $self->allow_morph($step) || return; ### place to store the lineage - my $lin = $self->{'__morph_lineage'} ||= []; + my $lin = $self->{'_morph_lineage'} ||= []; my $cur = ref $self; # what are we currently push @$lin, $cur; # store so subsequent unmorph calls can do the right thing @@ -560,12 +623,12 @@ sub morph { sub unmorph { my $self = shift; - my $step = shift || '__no_step'; - my $lin = $self->{'__morph_lineage'} || return; + my $step = shift || '_no_step'; + my $lin = $self->{'_morph_lineage'} || return; my $cur = ref $self; my $prev = pop(@$lin) || croak "unmorph called more times than morph - current ($cur)"; - delete $self->{'__morph_lineage'} if ! @$lin; + delete $self->{'_morph_lineage'} if ! @$lin; ### if we are not already that package - bless us there my $hist = { @@ -601,6 +664,10 @@ sub navigate_authenticated { my ($self, $args) = @_; $self = $self->new($args) if ! ref $self; + if ($self->can('require_auth') != \&CGI::Ex::App::require_auth) { + require Carp; + Carp::croak("The default navigate_authenticated method was called but the default require_auth method has been overwritten - aborting"); + } $self->require_auth(1); return $self->navigate; @@ -608,8 +675,8 @@ sub navigate_authenticated { sub require_auth { my $self = shift; - $self->{'require_auth'} = shift if @_ == 1; - return $self->{'require_auth'}; + $self->{'require_auth'} = shift if @_ == 1 && (! defined($_[0]) || ref($_[0]) || $_[0] =~ /^[01]$/); + return $self->{'require_auth'} || 0; } sub is_authed { shift->auth_data } @@ -624,8 +691,16 @@ sub get_valid_auth { my $self = shift; return 1 if $self->is_authed; - ### augment the args with sensible defaults my $args = $self->auth_args; + + ### allow passed in args + if (my $extra = shift) { + $args = {%$args, %$extra}; + } + + ### augment the args with sensible defaults + $args->{'script_name'} ||= $self->script_name; + $args->{'path_info'} ||= $self->path_info; $args->{'cgix'} ||= $self->cgix; $args->{'form'} ||= $self->form; $args->{'cookies'} ||= $self->cookies; @@ -635,9 +710,15 @@ sub get_valid_auth { $args->{'cleanup_user'} ||= sub { my ($auth, $user) = @_; $self->cleanup_user( $user, $auth) }; $args->{'login_print'} ||= sub { my ($auth, $template, $hash) = @_; - my $out = $self->run_hook('swap_template', '__login', $template, $hash); - $self->run_hook('fill_template', '__login', \$out, $hash); - $self->run_hook('print_out', '__login', $out); + my $step = $self->login_step; + my $hash_base = $self->run_hook('hash_base', $step) || {}; + my $hash_comm = $self->run_hook('hash_common', $step) || {}; + my $hash_swap = $self->run_hook('hash_swap', $step) || {}; + my $swap = {%$hash_base, %$hash_comm, %$hash_swap, %$hash}; + + my $out = $self->run_hook('swap_template', $step, $template, $swap); + $self->run_hook('fill_template', $step, \$out, $hash); + $self->run_hook('print_out', $step, \$out); }; require CGI::Ex::Auth; @@ -660,6 +741,19 @@ sub verify_user { 1 } ###----------------------------------------------------------------### ### a few standard base accessors +sub script_name { shift->{'script_name'} || $ENV{'SCRIPT_NAME'} || $0 } + +sub path_info { shift->{'path_info'} || $ENV{'PATH_INFO'} || '' } + +sub cgix { + my $self = shift; + $self->{'cgix'} = shift if @_ == 1; + return $self->{'cgix'} ||= do { + require CGI::Ex; + CGI::Ex->new; # return of the do + }; +} + sub form { my $self = shift; $self->{'form'} = shift if @_ == 1; @@ -672,29 +766,22 @@ sub cookies { return $self->{'cookies'} ||= $self->cgix->get_cookies; } -sub cgix { - my $self = shift; - $self->{'cgix'} = shift if @_ == 1; - return $self->{'cgix'} ||= do { - require CGI::Ex; - CGI::Ex->new; # return of the do - }; -} - sub vob { my $self = shift; $self->{'vob'} = shift if @_ == 1; return $self->{'vob'} ||= do { require CGI::Ex::Validate; + my $args = $self->vob_args; + $args->{'cgix'} ||= $self->cgix; CGI::Ex::Validate->new($self->vob_args); # return of the do }; } -sub vob_args { +sub vob_args { shift->{'vob_args'} || {} } + +sub vob_path { my $self = shift; - return { - cgix => $self->cgix, - }; + return $self->{'vob_path'} || $self->template_path; } ### provide a place for placing variables @@ -715,8 +802,8 @@ sub clear_app { path path_i history - __morph_lineage_start_index - __morph_lineage + _morph_lineage_start_index + _morph_lineage hash_errors hash_fill hash_swap @@ -801,41 +888,48 @@ sub prepared_print { sub print { my ($self, $step, $swap, $fill) = @_; - - my $file = $self->run_hook('file_print', $step); # get a filename relative to base_dir_abs - + my $file = $self->run_hook('file_print', $step); # get a filename relative to template_path my $out = $self->run_hook('swap_template', $step, $file, $swap); - $self->run_hook('fill_template', $step, \$out, $fill); - - $self->run_hook('print_out', $step, $out); + $self->run_hook('print_out', $step, \$out); } sub print_out { my ($self, $step, $out) = @_; - $self->cgix->print_content_type; - print $out; + $self->cgix->print_content_type($self->mimetype($step), $self->charset($step)); + print ref($out) eq 'SCALAR' ? $$out : $out; } +sub mimetype { shift->{'mimetype'} || 'text/html' } +sub charset { shift->{'charset'} || '' } + sub swap_template { my ($self, $step, $file, $swap) = @_; my $args = $self->run_hook('template_args', $step); - my $copy = $self; - eval {require Scalar::Util; Scalar::Util::weaken($copy)}; - $args->{'INCLUDE_PATH'} ||= sub { $copy->base_dir_abs || die "Could not find base_dir_abs while looking for template INCLUDE_PATH on step \"$step\"" }; - - require CGI::Ex::Template; - my $t = CGI::Ex::Template->new($args); + $args->{'INCLUDE_PATH'} ||= $args->{'include_path'} || $self->template_path; + my $t = $self->template_obj($args); my $out = ''; $t->process($file, $swap, \$out) || die $t->error; return $out; } -sub template_args { {} } +sub template_path { + my $self = shift; + return $self->{'template_path'} || $self->base_dir_abs; +} + +sub template_args { shift->{'template_args'} || {} } + +sub template_obj { + my ($self, $args) = @_; + + require CGI::Ex::Template; + my $t = CGI::Ex::Template->new($args); +} sub fill_template { my ($self, $step, $outref, $fill) = @_; @@ -850,7 +944,7 @@ sub fill_template { CGI::Ex::Fill::fill($args); } -sub fill_args { {} } +sub fill_args { shift->{'fill_args'} || {} } sub pre_step { 0 } # success indicates we handled step (don't continue step or loop) sub skip { 0 } # success indicates to skip the step (and continue loop) @@ -859,11 +953,6 @@ sub finalize { 1 } # failure means show step sub post_print { 0 } sub post_step { 0 } # success indicates we handled step (don't continue step or loop) -sub name_step { - my ($self, $step) = @_; - return $step; -} - sub morph_package { my $self = shift; my $step = shift || ''; @@ -879,12 +968,17 @@ sub name_module { return $self->{'name_module'} ||= do { # allow for cgi-bin/foo or cgi-bin/foo.pl to resolve to "foo" - my $script = $ENV{'SCRIPT_NAME'} || $0; + my $script = $self->script_name; $script =~ m/ (\w+) (?:\.\w+)? $/x || die "Couldn't determine module name from \"name_module\" lookup ($step)"; $1; # return of the do }; } +sub name_step { + my ($self, $step) = @_; + return $step; +} + sub file_print { my $self = shift; my $step = shift; @@ -903,15 +997,27 @@ sub file_val { my $self = shift; my $step = shift; - my $abs = $self->base_dir_abs || return {}; + ### determine the path to begin looking for files - allow for an arrayref + my $abs = $self->vob_path || []; + $abs = $abs->() if UNIVERSAL::isa($abs, 'CODE'); + $abs = [$abs] if ! UNIVERSAL::isa($abs, 'ARRAY'); + return {} if @$abs == 0; + my $base_dir = $self->base_dir_rel; my $module = $self->run_hook('name_module', $step); - my $_step = $self->run_hook('name_step', $step); + my $_step = $self->run_hook('name_step', $step) || die "Missing name_step"; $_step .= '.'. $self->ext_val if $_step !~ /\.\w+$/; - foreach ($abs, $base_dir, $module) { $_ .= '/' if length($_) && ! m|/$| } + foreach (@$abs, $base_dir, $module) { $_ .= '/' if length($_) && ! m|/$| } + + if (@$abs > 1) { + foreach my $_abs (@$abs) { + my $path = $_abs . $base_dir . $module . $_step; + return $path if -e $path; + } + } - return $abs . $base_dir . $module . $_step; + return $abs->[0] . $base_dir . $module . $_step; } sub info_complete { @@ -1011,10 +1117,10 @@ sub hash_base { my $copy = $self; eval {require Scalar::Util; Scalar::Util::weaken($copy)}; my $hash = { - script_name => $ENV{'SCRIPT_NAME'} || $0, - path_info => $ENV{'PATH_INFO'} || '', + script_name => $self->script_name, + path_info => $self->path_info, js_validation => sub { $copy->run_hook('js_validation', $step, shift) }, - form_name => sub { $copy->run_hook('form_name', $step) }, + form_name => $self->run_hook('form_name', $step), $self->step_key => $step, }; # return of the do }; @@ -1069,33 +1175,33 @@ sub add_to_hash { sub base_dir_rel { my $self = shift; - $self->{'base_dir_rel'} = shift if $#_ != -1; + $self->{'base_dir_rel'} = shift if @_ == 1; return $self->{'base_dir_rel'} || ''; } sub base_dir_abs { my $self = shift; - $self->{'base_dir_abs'} = shift if $#_ != -1; - return $self->{'base_dir_abs'} || ''; + $self->{'base_dir_abs'} = shift if @_ == 1; + return $self->{'base_dir_abs'} || ['.']; # default to the current directory } -sub ext_val { +sub ext_print { my $self = shift; - $self->{'ext_val'} = shift if $#_ != -1; - return $self->{'ext_val'} || 'val'; + $self->{'ext_print'} = shift if @_ == 1; + return $self->{'ext_print'} || 'html'; } -sub ext_print { +sub ext_val { my $self = shift; - $self->{'ext_print'} = shift if $#_ != -1; - return $self->{'ext_print'} || 'html'; + $self->{'ext_val'} = shift if @_ == 1; + return $self->{'ext_val'} || 'val'; } ### where to find the javascript files ### default to using this script as a handler sub js_uri_path { my $self = shift; - my $script = $ENV{'SCRIPT_NAME'} || return ''; + my $script = $self->script_name; my $js_step = $self->js_step; return ($self->can('path') == \&CGI::Ex::App::path) ? $script .'/'. $js_step # try to use a cache friendly URI (if path is our own) @@ -1110,7 +1216,7 @@ sub js_run_step { my $self = shift; ### make sure path info looks like /js/CGI/Ex/foo.js - my $file = $self->form->{'js'} || $ENV{'PATH_INFO'} || ''; + my $file = $self->form->{'js'} || $self->path_info; $file = ($file =~ m!^(?:/js/|/)?(\w+(?:/\w+)*\.js)$!) ? $1 : ''; $self->cgix->print_js($file); @@ -1126,10 +1232,19 @@ sub js_run_step { sub __forbidden_info_complete { 0 } -sub __forbidden_hash_swap { {forbidden_step => shift->stash->{'forbidden_step'}} } +sub __forbidden_hash_swap { shift->stash } sub __forbidden_file_print { \ "

Denied

You do not have access to the step \"[% forbidden_step %]\"" } +###----------------------------------------------------------------### +### a step that is used by the default handle_error + +sub __error_info_complete { 0 } + +sub __error_hash_swap { shift->stash } + +sub __error_file_print { \ "

A fatal error occurred

Step: \"[% error_step %]\"
[% TRY; CONFIG DUMP => {header => 0}; DUMP error; END %]" } + ###----------------------------------------------------------------### 1;