Lucas
06a939bcd1
Introduce a sub for validating page number. Introduce a sub for validating tag name and allow non-ASCII characters.
131 lines
3.2 KiB
Perl
131 lines
3.2 KiB
Perl
package PoorBooru;
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use Dancer2;
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use HTTP::Tiny;
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our $VERSION = v0.0.1;
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my $POORBOORU_API = setting("poorbooru_api");
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sub validate_page_number ($) { $_[0] =~ /^[1-9][0-9]*$/ }
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sub api_request ($$;%)
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{
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my ($method, $path, $params_hashref) = @_;
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my $http = HTTP::Tiny->new(
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timeout => 15,
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verify_SSL => true,
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agent => setting("appname") . " backend " .
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version::->parse($VERSION)->normal,
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default_headers => {
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"Accept" => "application/json",
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"Content-Type" => "application/json",
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},
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);
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my $params = $http->www_form_urlencode($params_hashref // {});
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return $http->request($method, "$POORBOORU_API$path" .
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($params ne "" ? "?$params" : ""));
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}
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sub api_get ($;%) { api_request("GET", shift, @_) }
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sub nav_pager ($$)
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{
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my ($p, $uri) = @_;
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my (%pager, %res);
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%pager = %$p;
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$res{first} = $pager{first} != $pager{cur} ?
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uri_for($uri, { page => $pager{first} }) : undef;
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$res{prev} = defined($pager{prev}) && $pager{prev} != $pager{first} ?
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uri_for($uri, { page => $pager{prev} }) : undef;
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$res{cur} = $pager{cur};
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$res{next} = defined($pager{next}) && $pager{next} != $pager{last} ?
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uri_for($uri, { page => $pager{next} }) : undef;
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$res{last} = $pager{last} != $pager{cur} ?
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uri_for($uri, { page => $pager{last} }) : undef;
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return \%res;
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}
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hook before_template_render => sub {
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my $tokens = shift;
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$tokens->{uris}->{root} = uri_for("/");
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$tokens->{uris}->{login} = uri_for("/login");
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$tokens->{uris}->{logout} = uri_for("/logout");
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$tokens->{uris}->{random} = uri_for("/random");
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$tokens->{uris}->{tags} = uri_for("/tags");
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};
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get "/" => sub {
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my $page = query_parameters->get("page") // 1;
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send_error("Invalid page number", 400) if !validate_page_number($page);
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my $res = api_get("/media", { page => $page });
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send_error("API error", 500) if !$res->{success};
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my $data = decode_json($res->{content});
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my @media = map +{
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# XXX point to a cache
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image_src => "$POORBOORU_API/download/$_",
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view_uri => uri_for("/view/$_"),
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}, @{$data->{media}};
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template "gallery" => {
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title => "PoorBooru",
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media => \@media,
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pager => nav_pager($data->{pager}, "/"),
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};
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};
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get "/tags" => sub {
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my $page = query_parameters->get("page") // 1;
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send_error("Invalid page number", 400) if !validate_page_number($page);
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my $res = api_get("/tags", { page => $page });
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send_error("API error", 500) if !$res->{success};
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my $data = decode_json($res->{content});
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my @tags = map +{
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name => $_->{name},
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count => $_->{count},
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uri => uri_for("/tag/" . $_->{name}),
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}, @{$data->{tags}};
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template "tags" => {
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title => "Tags",
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tags => \@tags,
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pager => nav_pager($data->{pager}, "/tags"),
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};
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};
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get "/tag/:tag_id_or_name" => sub {
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my $tag_id_or_name = route_parameters->get("tag_id_or_name");
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my $res = api_get("/tag/$tag_id_or_name");
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send_error("API error", 500) if !$res->{success};
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my $data = decode_json($res->{content});
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my @media = map +{
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# XXX point to a cache
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image_src => "$POORBOORU_API/download/$_",
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view_uri => uri_for("/view/$_"),
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}, @{$data->{media}};
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template "gallery" => {
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title => $data->{name},
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media => \@media,
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};
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};
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get "/random" => sub {
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};
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get "/view/:media_id" => sub {
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};
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true;
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