From 50d5e664e8fa21252b760bd54dd4a025d3f06585 Mon Sep 17 00:00:00 2001
From: David Phillips <david@yeah.nah.nz>
Date: Sat, 5 Jan 2019 16:19:55 +1300
Subject: URL_Title: add direct command

---
 Plugin/URL_Title.pm | 44 +++++++++++++++++++++++++++++++++-----------
 1 file changed, 33 insertions(+), 11 deletions(-)

diff --git a/Plugin/URL_Title.pm b/Plugin/URL_Title.pm
index c5c10d0..19b7437 100644
--- a/Plugin/URL_Title.pm
+++ b/Plugin/URL_Title.pm
@@ -19,6 +19,8 @@ sub configure {
 	IdaliusConfig::assert_scalar($config, $self, "url_len");
 	die "url_len must be positive" if $config->{url_len} <= 0;
 
+	$cmdref->($self, "title of", sub { $self->get_title_cmd(@_); });
+
 	return $self;
 }
 
@@ -33,16 +35,16 @@ sub start_handler
 	                    "tagname,self");
 }
 
-sub on_message
+sub get_title
 {
-	my ($self, $logger, $who, $where, $raw_what, $what, $irc) = @_;
+	my ($what) = @_;
 	my $url;
 
 	# Drawn from RFC 3986§2
 	if ($what =~ /(https?:\/\/[a-z0-9\-\._~:\/\?#\[\]@\!\$&'()\*\+,;=%]+)/i) {
 		$url = $1;
 	}
-	return unless $url;
+	return (undef, "No URL found in that string") unless $url;
 
 	# FIXME add more XML-based formats that we can theoretically extract titles from
 	# FIXME factor out accepted formats and response match into accepted formats array
@@ -51,18 +53,16 @@ sub on_message
 	my $response = $http->get($url);
 
 	if (!$response->{success}) {
-		$logger->("Something broke: $response->{reason}");
-		return;
+		chomp $response->{content};
+		return (undef, "Error: HTTP client: $response->{reason} ($response->{content})");
 	}
 
 	if (not $response->{headers}->{"content-type"}) {
-		$logger->("No content-type in reponse header, not continuing");
-		return;
+		return (undef, "No content-type in reponse header, not continuing");
 	}
 
 	if (!($response->{headers}->{"content-type"} =~ m,(text/html|image/svg\+xml),)) {
-		$logger->("I don't think I can parse titles from $response->{headers}->{'content-type'} - stopping here");
-		return;
+		return (undef, "I don't think I can parse titles from $response->{headers}->{'content-type'} - stopping here");
 	}
 
 	my $html = $response->{content};
@@ -72,13 +72,13 @@ sub on_message
 	my $p = HTML::Parser->new(api_version => 3);
 	$p->handler( start => \&start_handler, "tagname,self");
 	$p->parse($html);
-	$logger->("Error parsing HTML: $!") if $!;
+	return (undef, "Error parsing HTML: $!") if $!;
 
 	$title =~ s/\s+/ /g;
 	$title =~ s/(^\s+|\s+$)//g;
 
 	utf8::upgrade($title);
-	return unless $title;
+	return (undef, "Error: No title") unless $title;
 
 	my $shorturl = $url;
 	# remove http(s):// to avoid triggering other poorly configured bots
@@ -92,6 +92,28 @@ sub on_message
 	return $composed_title;
 }
 
+sub get_title_cmd
+{
+	my ($self, $irc, $logger, $who, $where, $ided, $rest, @arguments) = @_;
+
+	my ($title, $error) = get_title($rest);
+	$logger->($error) if $error;
+
+	return $error if $error;
+	return $title if $title;
+
+}
+
+sub on_message
+{
+	my ($self, $logger, $who, $where, $raw_what, $what, $irc) = @_;
+
+	my ($title, $error) = get_title($what);
+	$logger->($error) if $error;
+
+	return $title if $title;
+}
+
 sub on_action {
 	on_message(@_);
 }
-- 
cgit v1.1