Introduce new notification for updates

Signed-off-by: Xheni Myrtaj <[email protected]>

Author: xh3n1

public_html/lists/admin/index.php

@@ -519,10 +519,36 @@ function mb_strtolower($string)
     if (TEST) {
         echo Info($GLOBALS['I18N']->get('Running in testmode, no emails will be sent. Check your config file.'));
     }
+
     $updaterdir = __DIR__ . '/../updater';
-    if(file_exists($updaterdir) && ALLOW_UPDATER){
-        echo Info(s('Try automatic updater').' <a href="?page=redirecttoupdater" title="'.s('automatic updater').'">'.s('here').'</a>'.' ('.s('beta').')');
+
+    include 'updatelib.php';
+
+    if (showUpdateNotification()) {
+
+        try {
+
+            $updateNotif = checkForUpdate('init.php');
+
+        } catch (Exception $e) {
+
+            echo s('Error: '),  $e->getMessage(), "\n";
+
+        }
+
+        $moreInfo = '<a href="https://www.phplist.com/download?utm_source=pl'.VERSION.'&amp;utm_medium=updatedownload&amp;utm_campaign=phpList" title="'.s('Download the new version').'" target="_blank">'.s('Download the new version').'</a>';
+
+        if (file_exists($updaterdir) && ALLOW_UPDATER) {
+
+            $moreInfo.= s(' or update').' <a href="?page=redirecttoupdater" title="'.s('automatic updater').'">'.s('here.').'</a>';
+        }
+
+        if ($updateNotif!== '') {
+
+            Info($updateNotif.''.$moreInfo);
+        }
     }
+
     if (version_compare(PHP_VERSION, '5.3.3', '<') && WARN_ABOUT_PHP_SETTINGS) {
         Error(s('Your PHP version is out of date. phpList requires PHP version 5.3.3 or higher.'));
     }

public_html/lists/admin/updateLib.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Get Current phpList Version.
+ *
+ * @param string $path Production version location
+ * @return mixed
+ * @throws Exception
+ */
+function getCurrentphpListVersion($path = '')
+{
+    $version = file_get_contents($path);
+    $matches = array();
+    preg_match_all('/define\(\"VERSION\",\"(.*)\"\);/', $version, $matches);
+
+    if (isset($matches[1][0])) {
+
+        return $matches[1][0];
+    }
+
+    throw new Exception(s('No production version found.'));
+}
+
+/**
+ * Get response from server.
+ *
+ * @param string $path Production version location
+ * @return mixed
+ * @throws Exception
+ */
+function getResponse($path = '')
+{
+    $serverUrl = "https://download.phplist.org/version.json";
+    $updateUrl = $serverUrl . '?version=' . getCurrentphpListVersion($path);
+
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($ch, CURLOPT_URL, $updateUrl);
+    $responseFromServer = curl_exec($ch);
+    curl_close($ch);
+
+    $responseFromServer = json_decode($responseFromServer, true);
+
+    return $responseFromServer;
+}
+
+/**
+ * Check for update and return a message only if there is an update available.
+ *
+ * @param string $path Production version location
+ * @return string
+ * @throws Exception
+ */
+function checkForUpdate($path = '')
+{
+    $serverResponse = getResponse($path);
+    $version = isset($serverResponse['version']) ? $serverResponse['version'] : '';
+    $versionString = isset($serverResponse['versionstring']) ? $serverResponse['versionstring'] : '';
+
+    if ($version !== '' && $version !== getCurrentphpListVersion($path) && version_compare(getCurrentphpListVersion($path), $version)) {
+        $updateMessage = s('Update to ' . htmlentities($versionString) . ' is available.  ');
+    } else {
+        $updateMessage = '';
+    }
+
+    SaveConfig('lastcheckupdate', date('m/d/Y h:i:s', time()), 0, true);
+
+    return $updateMessage;
+}
+
+/**
+ * Check every 3 days for a new update
+ *
+ * @return bool
+ */
+function lastTimeCheck()
+{
+
+    $doCheck = false;
+
+    $currentTime = date('m/d/Y h:i:s', time());
+    $lastCheckTime = getConfig('lastcheckupdate');
+    $lastTimeFormattedDateTime = new DateTime($lastCheckTime);
+    $currentTimeFormattedDateTime = new DateTime($currentTime);
+
+    $interval = $currentTimeFormattedDateTime->diff($lastTimeFormattedDateTime);
+    $dDiff = $interval->format('%d');
+
+    if ($dDiff >= '3') {
+
+        $doCheck = true;
+    }
+
+    return $doCheck;
+}
+
+/**
+ * Show notification every 3 days only
+ * @return bool
+ */
+function showUpdateNotification()
+{
+
+    if (lastTimeCheck()) {
+
+        return true;
+    }
+
+    return false;
+}