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2023-04-08 12:19:53 -04:00
commit 7c8c8b1c76
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+<?php
+/*
+Copyright 2013-2019 Yellow Tree, Siegen, Germany
+Author: Benjamin Pick (wp-geoip-detect| |posteo.de)
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+namespace YellowTree\GeoipDetect\DataSources;
+
+class DataSourceRegistry {
+
+	private static $instance;
+	/* singleton */
+	private function __construct() {
+		$this->sources = array();
+	}
+	public static function getInstance() {
+		if (!self::$instance) {
+			self::$instance = new static();
+		}
+		return self::$instance;
+	}
+
+
+	protected $sources;
+
+	/**
+	 * Register a Data source
+	 * @param \YellowTree\GeoipDetect\DataSources\AbstractDataSource $source
+	 */
+	public function register($source) {
+		$id = $source->getId();
+		$this->sources[$id] = $source;
+	}
+
+
+	const DEFAULT_SOURCE = 'hostinfo';
+
+	public function getCurrentSourceId() {
+		return get_option('geoip-detect-source', self::DEFAULT_SOURCE);
+	}
+
+	/**
+	 * Returns the currently chosen source.
+	 * @deprecated Use getSource() instead
+	 * @return \YellowTree\GeoipDetect\DataSources\AbstractDataSource
+	 */
+	public function getCurrentSource() {
+		return $this->getSource($this->getCurrentSourceId());
+	}
+
+	/**
+	 * Returns the source known by this id.
+	 * @param string $id Source id
+	 * @return \YellowTree\GeoipDetect\DataSources\AbstractDataSource
+	 */
+	public function getSource($id) {
+		if (isset($this->sources[$id]))
+			return $this->sources[$id];
+
+		if (WP_DEBUG)
+			trigger_error('The source with id "' . $id . '" was requested, but no such source was found. Using default source instead.', E_USER_NOTICE);
+
+		if (isset($this->sources[self::DEFAULT_SOURCE]))
+			return $this->sources[self::DEFAULT_SOURCE];
+
+		return null;
+	}
+
+	/**
+	 * Check if a source named $id exists.
+	 * @param string $id
+	 * @return boolean
+	 */
+	public function sourceExists($id) {
+		return isset($this->sources[$id]);
+	}
+
+	/**
+	 * Choose a new source as "current source".
+	 * @param string $id
+	 */
+	public function setCurrentSource($id) {
+		$oldSource = $this->getCurrentSource();
+		$newSource = $this->getSource($id);
+
+		if ($oldSource->getId() != $newSource->getId()) {
+			$oldSource->deactivate();
+			update_option('geoip-detect-source', $newSource->getId());
+			$newSource->activate();
+		}
+
+		update_option('geoip-detect-ui-has-chosen-source', true);
+	}
+
+	/**
+	 * Returns all registered sources.
+	 *
+	 * @return array(\YellowTree\GeoipDetect\DataSources\AbstractDataSource)
+	 */
+	public function getAllSources() {
+		return $this->sources;
+	}
+
+	public function isSourceCachable($source) {
+		// Don't cache for file access based sources (not worth the effort/time)
+		$sources_not_cachable = apply_filters('geoip2_detect_sources_not_cachable', array('auto', 'manual', 'header'));
+		return !in_array($source, $sources_not_cachable);
+	}
+
+	public function isCachingUsed() {
+		return $this->isSourceCachable($this->getCurrentSourceId());
+	}
+
+	public function uninstall() {
+		foreach($this->sources as $source) {
+			$source->deactivate();
+			$source->uninstall();
+		}
+
+		// Delete all options from this plugin
+		foreach ( wp_load_alloptions() as $option => $value ) {
+			if ( strpos( $option, 'geoip-detect-' ) === 0 ) {
+				delete_option( $option );
+			}
+		}
+	}
+}