Merge pull request #1103 from fabrixxm/opmlexport

OPML Export

opmlexport/README.md

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+# OPML Export
+
+Export user's active RSS/Atom contacts as OPML.
+
+Launch from `Settings` -> `Addons` -> `OPML Export`

opmlexport/opmlexport.php

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+<?php
+/**
+ * Name: OPML Export
+ * Description: Export user's RSS/Atom contacts as OPML
+ * Version: 1.0
+ * Author: Fabio Comuni <https://social.gl-como.it/profile/fabrixxm>
+ * License: 3-clause BSD license
+ */
+
+use Friendica\DI;
+use Friendica\App;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Network\HTTPException;
+use Friendica\Database\DBA;
+use Friendica\Core\Renderer;
+use Friendica\Core\Protocol;
+use Friendica\Model\Contact;
+
+function opmlexport_install()
+{
+	Hook::register('addon_settings',        __FILE__, 'opmlexport_addon_settings');
+	Hook::register('addon_settings_post',   __FILE__, 'opmlexport_addon_settings_post');
+	Logger::log('installed opmlexport Addon');
+}
+
+
+function opmlexport(App $a)
+{
+	$condition = [
+		'uid' => local_user(),
+		'self' => false,
+		'deleted' => false,
+		'archive' => false,
+		'blocked' => false,
+		'pending' => false,
+		'network' => Protocol::FEED
+	];
+	$data = Contact::selectToArray([], $condition, ['order' => ['name']]);
+
+	$xml = new \DOMDocument( '1.0', 'utf-8' );
+	$opml = $xml->createElement('opml');
+	$head = $xml->createElement('head');
+	$body = $xml->createElement('body');
+	$outline = $xml->createElement('outline');
+	$outline->setAttribute('title', $a->user['username'] . '\'s RSS/Atom contacts');
+	$outline->setAttribute('text', $a->user['username'] . '\'s RSS/Atom contacts');
+
+	foreach($data as $c) {
+		$entry = $xml->createElement('outline');
+		$entry->setAttribute('title',  $c['name']);
+		$entry->setAttribute('text',   $c['name']);
+		$entry->setAttribute('xmlUrl', $c['url']);
+		$outline->appendChild($entry);
+	}
+
+	$body->appendChild($outline);
+	$opml->appendChild($head);
+	$opml->appendChild($body);
+	$xml->appendChild($opml);
+	header('Content-Type: text/x-opml');
+	header('Content-Disposition: attachment; filename=feeds.opml');
+	$xml->formatOutput = true;
+	echo $xml->saveXML();
+	die();
+}
+
+
+function opmlexport_addon_settings(App $a, &$s)
+{
+	if (!local_user()) {
+		return;
+	}
+
+	$t = Renderer::getMarkupTemplate('settings.tpl', 'addon/opmlexport/');
+	$s .= Renderer::replaceMacros($t, [
+		'$title'   => DI::l10n()->t('OPML Export'),
+		'$submit'  => DI::l10n()->t('Export RSS/Atom contacts'),
+	]);
+}
+
+
+function opmlexport_addon_settings_post(App $a, &$b)
+{
+	if (!local_user() || empty($_POST['opmlexport-submit'])) {
+		return;
+	}
+	opmlexport($a);
+}

opmlexport/templates/settings.tpl

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+<span id="settings_opmlexport_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose('settings_opmlexport_expanded'); openClose('settings_opmlexport_inflated');">
+	<h3>{{$title}}</h3>
+</span>
+<div id="settings_opmlexport_expanded" class="settings-block" style="display: none;">
+	<span class="fakelink" onclick="openClose('settings_opmlexport_expanded'); openClose('settings_opmlexport_inflated');">
+		<h3>{{$title}}</h3>
+	</span>
+
+	<div class="settings-submit-wrapper" >
+		<input type="submit" id="opmlexport-submit" name="opmlexport-submit" class="settings-submit" value="{{$submit}}" />
+	</div>
+</div>