| 1 |
package Frey::Web; |
| 2 |
use Moose::Role; |
| 3 |
|
| 4 |
with 'Frey::Backtrace'; |
| 5 |
|
| 6 |
use Frey::Types; |
| 7 |
|
| 8 |
use Continuity::Widget::DomNode; |
| 9 |
use Data::Dump qw/dump/; |
| 10 |
use Carp qw/confess cluck/; |
| 11 |
use File::Slurp; |
| 12 |
|
| 13 |
use Frey::Bookmarklet; |
| 14 |
use Frey::ClassBrowser; |
| 15 |
use Frey::SVK; |
| 16 |
|
| 17 |
has 'head' => ( |
| 18 |
is => 'rw', |
| 19 |
isa => 'ArrayRef[Str]', |
| 20 |
default => sub { [ 'static/frey.css' ] }, |
| 21 |
); |
| 22 |
|
| 23 |
has 'request_url' => ( |
| 24 |
is => 'rw', |
| 25 |
isa => 'Uri', coerce => 1, |
| 26 |
default => '/', |
| 27 |
); |
| 28 |
|
| 29 |
has 'title' => ( |
| 30 |
is => 'rw', |
| 31 |
isa => 'Str', |
| 32 |
lazy => 1, |
| 33 |
default => sub { |
| 34 |
my ($self) = @_; |
| 35 |
ref($self); |
| 36 |
}, |
| 37 |
); |
| 38 |
|
| 39 |
has 'content_type' => ( |
| 40 |
is => 'rw', |
| 41 |
isa => 'Str', |
| 42 |
default => 'text/html', |
| 43 |
documentation => 'Content-type header', |
| 44 |
); |
| 45 |
|
| 46 |
has 'dump_max_bytes' => ( |
| 47 |
is => 'rw', |
| 48 |
isa => 'Int', |
| 49 |
default => 4096, |
| 50 |
documentation => 'Maximum dump size sent to browser before truncation', |
| 51 |
); |
| 52 |
|
| 53 |
has 'inline_smaller_than' => ( |
| 54 |
is => 'rw', |
| 55 |
isa => 'Int', |
| 56 |
default => 10240, |
| 57 |
documentation => 'Inline JavaScript and CSS to reduce round-trips', |
| 58 |
); |
| 59 |
|
| 60 |
has 'chop_warning' => ( |
| 61 |
is => 'rw', |
| 62 |
isa => 'Int', |
| 63 |
default => 80, |
| 64 |
documentation => 'Crop lines longer', |
| 65 |
); |
| 66 |
|
| 67 |
my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"'); |
| 68 |
my $escape_re = join '|' => keys %escape; |
| 69 |
|
| 70 |
sub html_escape { |
| 71 |
my ( $self, $html ) = @_; |
| 72 |
$html =~ s/($escape_re)/$escape{$1}/g; |
| 73 |
return $html; |
| 74 |
} |
| 75 |
|
| 76 |
sub html_dump { |
| 77 |
my $self = shift; |
| 78 |
$self->html_escape( dump( @_ ) ); |
| 79 |
} |
| 80 |
|
| 81 |
sub dom2html { |
| 82 |
# warn "## dom2html ",dump( @_ ); |
| 83 |
return Continuity::Widget::DomNode->create( @_ )->to_string; |
| 84 |
} |
| 85 |
|
| 86 |
sub _inline_path { |
| 87 |
my ( $self, $path ) = @_; |
| 88 |
-s $path < $self->inline_smaller_than; |
| 89 |
} |
| 90 |
|
| 91 |
sub _head_html { |
| 92 |
my $self = shift; |
| 93 |
my $out = ''; |
| 94 |
foreach my $path ( @{ $self->head } ) { |
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$path =~ s!^/!!; |
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if ( $path =~ m/\.js$/ ) { |
| 97 |
$out .= $self->_inline_path( $path ) ? |
| 98 |
qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| : |
| 99 |
qq|<script type="text/javascript" src="/$path"></script>|; |
| 100 |
} elsif ( $path =~ m/\.css$/ ) { |
| 101 |
$out .= $self->_inline_path( $path ) ? |
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qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| : |
| 103 |
qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|; |
| 104 |
} elsif ( $path =~ m{<.+>}s ) { |
| 105 |
$out .= $path; |
| 106 |
} else { |
| 107 |
confess "don't know how to render $path"; |
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} |
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$out .= "\n"; |
| 110 |
} |
| 111 |
return $out; |
| 112 |
} |
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|
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=head2 add_head |
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|
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$o->add_head( 'path/to/external.js' ); |
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|
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my $size = $o->add_head( 'path/to/external.css' ); |
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|
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$o->add_head( '<!-- html content -->' ); |
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|
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=cut |
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|
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sub add_head { |
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my ( $self, $path ) = @_; |
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return if ! defined $path || $path eq ''; |
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$path =~ s!^/!!; |
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|
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if ( $path =~ m{<.*>}s ) { |
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push @{ $self->head }, $path; |
| 131 |
} elsif ( -e $path ) { |
| 132 |
if ( $path =~ m/\.(?:js|css)$/ ) { |
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push @{ $self->head }, $path; |
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} else { |
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confess "can't add_head( $path ) it's not js or css"; |
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} |
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return -s $path; |
| 138 |
} else { |
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confess "can't find $path: $!"; |
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} |
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|
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} |
| 143 |
|
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our $reload_counter = 0; |
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|
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|
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=head2 page |
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|
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$self->page( |
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title => 'page title', |
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head => '<!-- optional head markup -->', |
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body => '<b>Page Body</b>', |
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); |
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|
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=cut |
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|
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our @status; |
| 158 |
sub status { @status }; |
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|
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our $icon_html; |
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|
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sub page { |
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my $self = shift; |
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my $a = {@_}; |
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|
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warn "## page ",dump($a); |
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|
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$reload_counter++; |
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|
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my $status_line = ''; |
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|
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unshift @status, { 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->as_markup }; |
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unshift @status, { 'Bookmarklets' => Frey::Bookmarklet->new->as_markup }; |
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|
| 175 |
foreach my $part ( @status ) { |
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foreach my $name ( keys %$part ) { |
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my $content = $part->{$name}; |
| 178 |
if ( ref($content) ) { |
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$content = '<code>' . dump($content) . '</code>'; |
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my $l = length($content); |
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$content = qq|<span>$l bytes</span>| if $l > $self->dump_max_bytes; |
| 182 |
} else { |
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$content = qq|<span>$content</span>|; |
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} |
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warn "### part [$name] = ", length( $content ), " bytes" if $self->debug; |
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$status_line .= qq|<span class="frey-popup">$name $content</span>\n|; |
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} |
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} |
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|
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my $url = $self->request_url; |
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$url =~ s{\?reload=\d+}{}; |
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|
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my $body = $a->{body}; |
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$body ||= $self->as_markup if $self->can('as_markup'); |
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if ( $self->content_type !~ m{html} ) { |
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warn "# return only $self body ", $self->content_type; |
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return $body |
| 198 |
} elsif ( ! defined $body ) { |
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warn "# no body"; |
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$body = '<!-- no body -->'; |
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} |
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|
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$status_line .= $self->warnings_html; |
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|
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my ($exit,$description) = ('exit','stop server'); |
| 206 |
($exit,$description) = ('restart','restart server') |
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if $ENV{FREY_RESTART}; # tune labels on exit link |
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|
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my $right = |
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qq| |
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<span class="right"> |
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<a title="reload $url" href="/reload$url">reload</a> |
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<a title="$description" href="/exit$url">$exit</a> |
| 214 |
</span> |
| 215 |
|; |
| 216 |
|
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my $info = Frey::SVK->info; |
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my $revision = Frey::SVK->info->{Revision} || ''; |
| 219 |
$revision = $1 if $info->{'Mirrored From'} =~ m{Rev\.\s+(\d+)}; |
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|
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$self->add_icon unless $icon_html; |
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|
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my $html = join("\n", |
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qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|, |
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$self->_head_html, |
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'<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>', |
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'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">', |
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( $icon_html || '<!-- no icon -->' ), |
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( $a->{head} || '' ), |
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qq| |
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</head><body> |
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$body |
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<div class="frey-status-line"> |
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<a href="/">Frey</a> $Frey::VERSION $revision |
| 235 |
$status_line |
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$right |
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</div> |
| 238 |
</body></html> |
| 239 |
|, |
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); |
| 241 |
|
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warn "## >>> page ",length($html), " bytes\n" if $self->debug; |
| 243 |
|
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return $html; |
| 245 |
} |
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|
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=head2 editor |
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|
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Create HTML editor link with optional line and title |
| 250 |
|
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my $html = $self->editor( $class, $line, $title ); |
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|
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=cut |
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|
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sub editor { |
| 256 |
my ( $self, $class, $line, $title ) = @_; |
| 257 |
confess "need class" unless $class; |
| 258 |
if ( ! defined $title ) { |
| 259 |
$title = "edit $class"; |
| 260 |
$title .= " line $line" if $line; |
| 261 |
} |
| 262 |
$line ||= 1; |
| 263 |
qq|<a target="editor" href="/editor+$class+$line"| . |
| 264 |
( $title ? qq| title="$title"| : '' ) . |
| 265 |
qq|>$class</a>|; |
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} |
| 267 |
|
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=head2 editor_links |
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|
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Create HTML links to editor for perl error message |
| 271 |
|
| 272 |
my $html = $self->editor_links( $error ) |
| 273 |
|
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=cut |
| 275 |
|
| 276 |
sub editor_links { |
| 277 |
my ( $self, $error ) = @_; |
| 278 |
|
| 279 |
$error =~ s{at\s+(\S+)\s+line\s+(\d+)} |
| 280 |
{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm; |
| 281 |
|
| 282 |
$error =~ s{(via package ")([\w:]+)(")} |
| 283 |
{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm; |
| 284 |
|
| 285 |
return $error; |
| 286 |
} |
| 287 |
|
| 288 |
sub error { |
| 289 |
my $self = shift; |
| 290 |
my $error = join(" ", @_); |
| 291 |
|
| 292 |
my @backtrace = $self->backtrace; |
| 293 |
$error .= "\n\t" . join( "\n\t", @backtrace ) if @backtrace; |
| 294 |
|
| 295 |
warn "ERROR: $error\n"; |
| 296 |
return |
| 297 |
qq|<pre class="frey-error">| |
| 298 |
. $self->editor_links( $error ) . |
| 299 |
qq|</pre>| |
| 300 |
; |
| 301 |
} |
| 302 |
|
| 303 |
sub add_status { |
| 304 |
my ( $self, $data ) = @_; |
| 305 |
push @status, $data; |
| 306 |
} |
| 307 |
|
| 308 |
sub clean_status { |
| 309 |
@status = (); |
| 310 |
$icon_html = ''; |
| 311 |
} |
| 312 |
|
| 313 |
sub status_parts { |
| 314 |
warn "## status parts ", dump( map { keys %$_ } @status ); |
| 315 |
} |
| 316 |
|
| 317 |
sub DEMOLISH { |
| 318 |
my ( $self ) = @_; |
| 319 |
warn "## $self DEMOLISH status ", $#status + 1, " elements ", dump( map { keys %$_ } @status ) if @status; |
| 320 |
} |
| 321 |
|
| 322 |
=head2 add_icon |
| 323 |
|
| 324 |
Frey::Foo->add_icon; # /static/icons/Frey/Foo.png |
| 325 |
Frey::Foo->add_icon('warning'); # /static/icons/Frey/Foo/warning.png |
| 326 |
|
| 327 |
=cut |
| 328 |
|
| 329 |
sub icon_path { |
| 330 |
my ($self,$class,$variant) = @_; |
| 331 |
my $icon = $class; |
| 332 |
$icon =~ s{::}{/}g; |
| 333 |
$icon .= "/$variant" if $variant; |
| 334 |
my $path = 'static/icons/' . $icon . '.png'; |
| 335 |
if ( -e $path ) { |
| 336 |
warn "# $class from $self icon_path $path"; |
| 337 |
return $path; |
| 338 |
} else { |
| 339 |
warn "TODO: add $path icon for $class"; |
| 340 |
return undef; |
| 341 |
} |
| 342 |
} |
| 343 |
|
| 344 |
sub add_icon { |
| 345 |
my ($self,$variant) = @_; |
| 346 |
|
| 347 |
my $class = ref($self); |
| 348 |
$class = $self->class if $self->can('class'); |
| 349 |
my $icon_path = $self->icon_path( $class, $variant ) || return; |
| 350 |
|
| 351 |
$icon_html .= qq|<link rel="icon" type="image/png" href="/$icon_path">|; |
| 352 |
warn "# using icon $icon_path"; |
| 353 |
|
| 354 |
=for later |
| 355 |
|
| 356 |
# FIXME http://en.wikipedia.org/wiki/Favicon suggest just rel="icon" but that doesn't seem to work! |
| 357 |
my $ico_path = $icon_path; |
| 358 |
$ico_path =~ s{png$}{ico}; |
| 359 |
if ( ! -e $ico_path ) { |
| 360 |
system "convert $icon_path $ico_path"; |
| 361 |
warn "# convert $icon_path $ico_path : $@"; |
| 362 |
} |
| 363 |
$icon_html .= qq|<link rel="shortcut icon" type="image/x-icon" href="/$ico_path">| if -e $ico_path; |
| 364 |
|
| 365 |
=cut |
| 366 |
|
| 367 |
} |
| 368 |
|
| 369 |
my $warn_colors = { |
| 370 |
'#' => '#444', |
| 371 |
'##' => '#888', |
| 372 |
}; |
| 373 |
|
| 374 |
my $multiline_markers = { |
| 375 |
'(' => ')', |
| 376 |
'{' => '}', |
| 377 |
'[' => ']', |
| 378 |
'"' => '"', |
| 379 |
}; |
| 380 |
|
| 381 |
my $multiline_re = '[\\' . join('\\', keys %$multiline_markers ) . ']'; |
| 382 |
warn "## multiline markers ", dump( $multiline_markers ), " -> $multiline_re"; |
| 383 |
|
| 384 |
sub log_path { |
| 385 |
$Frey::Bootstrap::log_path || warn "no log_path?"; |
| 386 |
} |
| 387 |
|
| 388 |
sub warnings_html { |
| 389 |
my ($self,$level) = shift; |
| 390 |
$level ||= $self->debug, |
| 391 |
my $path = $self->log_path; |
| 392 |
|
| 393 |
my $warnings; |
| 394 |
my $line = 0; |
| 395 |
my $multiline_end; |
| 396 |
|
| 397 |
open(my $log, '<', $path) || die "can't open $path: $!"; |
| 398 |
while(<$log>) { |
| 399 |
chomp; |
| 400 |
$line++; |
| 401 |
|
| 402 |
my $style = ''; |
| 403 |
|
| 404 |
if ( $multiline_end ) { |
| 405 |
if ( m{^\Q$multiline_end\E} || m{^\s.+\Q$multiline_end\E;$} ) { |
| 406 |
warn "## $line end of $multiline_end in '$_'\n"; |
| 407 |
undef $multiline_end; |
| 408 |
} else { |
| 409 |
warn "## $line skipped\n"; |
| 410 |
} |
| 411 |
} elsif ( m{^(#*)\s+} ) { |
| 412 |
my $l = $1 ? length($1) : 0; |
| 413 |
if ( $l > $level ) { |
| 414 |
undef $multiline_end; |
| 415 |
$multiline_end = $multiline_markers->{$1} if m{($multiline_re)$}; |
| 416 |
warn "## $line start $1 .. $multiline_end level $l > $level for '$_'\n" if $multiline_end; |
| 417 |
next; |
| 418 |
} |
| 419 |
|
| 420 |
$style = $warn_colors->{$1} |
| 421 |
? ' style="color:' . $warn_colors->{$1} . '"' |
| 422 |
: ''; |
| 423 |
|
| 424 |
my $msg = $self->html_escape( $_ ); |
| 425 |
my $spacer = ' '; |
| 426 |
if ( length($msg) > $self->chop_warning ) { |
| 427 |
$msg = substr( $msg, 0, $self->chop_warning ); |
| 428 |
$spacer = '…' |
| 429 |
} |
| 430 |
$msg =~ s{^\s}{ }g; |
| 431 |
$warnings .= qq|<tt$style>$msg</tt>$spacer<small><a target="editor" href="/editor+$path+$line">+$line</a></small><br/>|; |
| 432 |
# FIXME <tt> should be <code> but CSS hates me |
| 433 |
} |
| 434 |
} |
| 435 |
close($log) || die "can't close $path: $!"; |
| 436 |
|
| 437 |
return |
| 438 |
qq|<span class="frey-popup"><a target="editor" href="/editor+$path+$line" title="open $path level $level">warn</a><span>| |
| 439 |
. $self->editor_links( $warnings ) |
| 440 |
. qq|</span></span>| |
| 441 |
; |
| 442 |
} |
| 443 |
|
| 444 |
1; |
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