Add simple GetUrl plugin, not autoloaded

lib/PBot/Plugin/GetUrl.pm

@@ -0,0 +1,62 @@
+# File: GetUrl.pm
+#
+# Purpose: Retrieves text contents of a URL.
+
+# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
+# SPDX-License-Identifier: MIT
+
+package PBot::Plugin::GetUrl;
+use parent 'PBot::Plugin::Base';
+
+use PBot::Imports;
+
+use LWP::UserAgent::Paranoid;
+
+sub initialize {
+    my ($self, %conf) = @_;
+
+    $self->{pbot}->{registry}->add_default('text', 'geturl', 'enabled', 1);
+    $self->{pbot}->{registry}->add_default('text', 'geturl', 'max_size', 1024 * 1024);
+
+    $self->{pbot}->{commands}->register(sub { $self->cmd_geturl(@_) }, 'geturl', 0);
+}
+
+sub unload {
+    my ($self) = @_;
+    $self->{pbot}->{commands}->unregister('geturl');
+}
+
+sub cmd_geturl {
+    my ($self, $context) = @_;
+
+    return "Usage: geturl <url>\n" if not length $context->{arguments};
+
+    my $enabled = $self->{pbot}->{registry}->get_value('geturl', 'enabled');
+
+    if (not $enabled) {
+        return "geturl is disabled. To enable, regset geturl.enabled 1";
+    }
+
+    # check channel-specific geturl_enabled registry setting
+    $enabled = $self->{pbot}->{registry}->get_value($context->{from}, 'geturl_enabled') // 1;
+
+    if (not $enabled) {
+        return "geturl is disabled for $context->{from}. To enable, regset $context->{from}.geturl_enabled 1";
+    }
+
+    my $ua = LWP::UserAgent::Paranoid->new(agent => 'Mozilla/5.0', request_timeout => 10);
+
+    my $max_size = $self->{pbot}->{registry}->get_value('geturl', 'max_size') // 1024 * 1024;
+    $ua->max_size($max_size);
+
+    my $response = $ua->get($context->{arguments});
+
+    if ($response->is_success) {
+        return $response->decoded_content;
+    }
+    else {
+        return "[Failed to fetch page: " . $response->status_line . "]";
+    }
+}
+
+1;