Skip to content
This repository has been archived by the owner on Oct 15, 2022. It is now read-only.

Alternate ddhX servers for API calls #264

Merged
merged 1 commit into from Jun 23, 2015
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
68 changes: 44 additions & 24 deletions lib/App/DuckPAN/Web.pm
Expand Up @@ -45,6 +45,12 @@ has ua => (
},
);

# ddhX servers to use for API calls.
has ddh_servers => (
is => 'ro',
default => sub { [reverse 1..10] }
);

sub BUILD {
my ( $self ) = @_;
my %share_dir_hash;
Expand Down Expand Up @@ -156,39 +162,53 @@ sub request {
# Make sure we replace "${dollar}" with "$".
$to =~ s/\$\{dollar\}/\$/g;

my ($wrap_jsonp_callback, $callback, $wrap_string_callback, $missing_envs, $accept_header) =
($rewrite->wrap_jsonp_callback, $rewrite->callback, $rewrite->wrap_string_callback, $rewrite->missing_envs, $rewrite->accept_header);

# Check if environment variables (most likely the API key) is missing.
# If it is missing, switch to the DDG endpoint.
if(defined $rewrite->missing_envs) {
$to = 'https://ddh1.duckduckgo.com' . $request->request_uri;
my ($use_ddh, $request_uri);
if(defined $missing_envs) {
++$use_ddh;
$request_uri = $request->request_uri;
# Display the URL that we used.
print "\nAPI key not found. Using DuckDuckGo's endpoint:\n";
}
p($to);

my $res = $self->ua->request(HTTP::Request->new(
GET => $to,
[ $rewrite->accept_header ? ("Accept", $rewrite->accept_header) : () ]
my @ddh = @{$self->ddh_servers};
for my $ddh (@ddh){
$to = "https://ddh$ddh.duckduckgo.com$request_uri" if $use_ddh;
p($to);

my $res = $self->ua->request(HTTP::Request->new(
GET => $to,
[ $accept_header ? (Accept => $accept_header) : () ]
));
if ($res->is_success) {
$body = $res->decoded_content;
# Encode utf8 api_responses to bytestream for Plack.
utf8::encode $body if utf8::is_utf8 $body;
warn "Cannot use wrap_jsonp_callback and wrap_string callback at the same time!" if $rewrite->wrap_jsonp_callback && $rewrite->wrap_string_callback;
if ($rewrite->wrap_jsonp_callback && $rewrite->callback) {
$body = $rewrite->callback.'('.$body.');' unless defined $rewrite->missing_envs;

if ($res->is_success) {
$body = $res->decoded_content;
# Encode utf8 api_responses to bytestream for Plack.
utf8::encode $body if utf8::is_utf8 $body;
warn "Cannot use wrap_jsonp_callback and wrap_string callback at the same time!" if $wrap_jsonp_callback && $wrap_string_callback;
if ($wrap_jsonp_callback && $callback) {
$body = $callback.'('.$body.');' unless defined $missing_envs;
}
elsif ($wrap_string_callback && $callback) {
$body =~ s/"/\\"/g;
$body =~ s/\n/\\n/g;
$body =~ s/\R//g;
$body = qq{$callback("'.$body.'");} unless defined $missing_envs;
}
$response->code($res->code);
$response->content_type($res->content_type);
}
elsif ($rewrite->wrap_string_callback && $rewrite->callback) {
$body =~ s/"/\\"/g;
$body =~ s/\n/\\n/g;
$body =~ s/\R//g;
$body = $rewrite->callback.'("'.$body.'");' unless defined $rewrite->missing_envs;
else {
next if $use_ddh && ($ddh != $ddh[-1]);
p($res->status_line, color => { string => 'red' });
my $errormsg = (pop @{[split'::', $spice_class]}). ": ".$res->status_line;
$body = '$("#message").removeClass("is-hidden").append("<div class=\"msg msg--warning\">'. $errormsg .'</div>");';
}
$response->code($res->code);
$response->content_type($res->content_type);
} else {
p($res->status_line, color => { string => 'red' });
my $errormsg = (pop @{[split'::', $spice_class]}). ": ".$res->status_line;
$body = '$("#message").removeClass("is-hidden").append("<div class=\"msg msg--warning\">'. $errormsg .'</div>");';
last;
}
}
}
Expand Down