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msd2/tracking/piwik/plugins/UserCountry/LocationProvider/DefaultProvider.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\UserCountry\LocationProvider;
+
+use Piwik\Common;
+use Piwik\Config;
+use Piwik\Piwik;
+use Piwik\Plugins\UserCountry\LocationProvider;
+
+/**
+ * The default LocationProvider, this LocationProvider guesses a visitor's country
+ * using the language they use. This provider is not very accurate.
+ *
+ */
+class DefaultProvider extends LocationProvider
+{
+    const ID = 'default';
+    const TITLE = 'General_Default';
+
+    /**
+     * Guesses a visitor's location using a visitor's browser language.
+     *
+     * @param array $info Contains 'ip' & 'lang' keys.
+     * @return array Contains the guessed country code mapped to LocationProvider::COUNTRY_CODE_KEY.
+     */
+    public function getLocation($info)
+    {
+        $enableLanguageToCountryGuess = Config::getInstance()->Tracker['enable_language_to_country_guess'];
+
+        if (empty($info['lang'])) {
+            $info['lang'] = Common::getBrowserLanguage();
+        }
+        $country = Common::getCountry($info['lang'], $enableLanguageToCountryGuess, $info['ip']);
+
+        $location = array(parent::COUNTRY_CODE_KEY => $country);
+        $this->completeLocationResult($location);
+
+        return $location;
+    }
+
+    /**
+     * Returns whether this location provider is available.
+     *
+     * This implementation is always available.
+     *
+     * @return bool  always true
+     */
+    public function isAvailable()
+    {
+        return true;
+    }
+
+    /**
+     * Returns whether this location provider is working correctly.
+     *
+     * This implementation is always working correctly.
+     *
+     * @return bool  always true
+     */
+    public function isWorking()
+    {
+        return true;
+    }
+
+    /**
+     * Returns an array describing the types of location information this provider will
+     * return.
+     *
+     * This provider supports the following types of location info:
+     * - continent code
+     * - continent name
+     * - country code
+     * - country name
+     *
+     * @return array
+     */
+    public function getSupportedLocationInfo()
+    {
+        return array(self::CONTINENT_CODE_KEY => true,
+                     self::CONTINENT_NAME_KEY => true,
+                     self::COUNTRY_CODE_KEY   => true,
+                     self::COUNTRY_NAME_KEY   => true);
+    }
+
+    /**
+     * Returns information about this location provider. Contains an id, title & description:
+     *
+     * array(
+     *     'id' => 'default',
+     *     'title' => '...',
+     *     'description' => '...'
+     * );
+     *
+     * @return array
+     */
+    public function getInfo()
+    {
+        $desc = Piwik::translate('UserCountry_DefaultLocationProviderDesc1') . ' '
+            . Piwik::translate('UserCountry_DefaultLocationProviderDesc2',
+                array('<strong>', '', '', '</strong>'))
+            . '<p><a href="https://matomo.org/faq/how-to/#faq_163" rel="noreferrer noopener"  target="_blank">'
+            . Piwik::translate('UserCountry_HowToInstallGeoIPDatabases')
+            . '</a></p>';
+        return array('id' => self::ID, 'title' => self::TITLE, 'description' => $desc, 'order' => 1);
+    }
+}
+