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process_settings.php
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process_settings.php
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<?php
/*
All Emoncms code is released under the GNU Affero General Public License.
See COPYRIGHT.txt and LICENSE.txt.
---------------------------------------------------------------------
Emoncms - open source energy visualisation
Part of the OpenEnergyMonitor project:
http://openenergymonitor.org
*/
// no direct access
defined('EMONCMS_EXEC') or die('Restricted access');
require_once('Lib/enum.php');
// Check if settings.php file exists
if(file_exists(dirname(__FILE__)."/settings.php"))
{
/*
Load settings.php
*/
require_once('settings.php');
/*
Load settings from environment variables
Environment settings override settings.php and defaults,
and allow you to run multiple variants of the same
installation (e.g. for testing).
*/
//1 #### Mysql database settings
if (isset($_ENV["EMONCMS_MYSQL_HOST"])) $server = $_ENV["EMONCMS_MYSQL_HOST"];
if (isset($_ENV["EMONCMS_MYSQL_DATABASE"])) $database = $_ENV["EMONCMS_MYSQL_DATABASE"];
if (isset($_ENV["EMONCMS_MYSQL_USER"])) $username = $_ENV["EMONCMS_MYSQL_USER"];
if (isset($_ENV["EMONCMS_MYSQL_PASSWORD"])) $password = $_ENV["EMONCMS_MYSQL_PASSWORD"];
if (isset($_ENV["EMONCMS_MYSQL_PORT"])) $port = $_ENV["EMONCMS_MYSQL_PORT"];
//2 #### redis
// create the array if it's not already been done
if (!isset($redis_server)) $redis_server = array();
if (isset($_ENV["EMONCMS_REDIS_ENABLED"])) $redis_enabled = $_ENV["EMONCMS_REDIS_ENABLED"] === 'true';
if (isset($_ENV["EMONCMS_REDIS_HOST"])) $redis_server['host'] = $_ENV["EMONCMS_REDIS_HOST"];
if (isset($_ENV["EMONCMS_REDIS_PORT"])) $redis_server['port'] = $_ENV["EMONCMS_REDIS_PORT"];
if (isset($_ENV["EMONCMS_REDIS_AUTH"])) $redis_server['auth'] = $_ENV["EMONCMS_REDIS_AUTH"];
if (isset($_ENV["EMONCMS_REDIS_PREFIX"])) $redis_server['prefix'] = $_ENV["EMONCMS_REDIS_PREFIX"];
//3 #### MQTT
// create the array if it's not already been done
if (!isset($mqtt_server)) $mqtt_server = array();
if (isset($_ENV["EMONCMS_MQTT_ENABLED"])) $mqtt_enabled = $_ENV["EMONCMS_MQTT_ENABLED"] === 'true';
if (isset($_ENV["EMONCMS_MQTT_HOST"])) $redis_server['host'] = $_ENV["EMONCMS_MQTT_HOST"];
if (isset($_ENV["EMONCMS_MQTT_PORT"])) $redis_server['port'] = $_ENV["EMONCMS_MQTT_PORT"];
if (isset($_ENV["EMONCMS_MQTT_USER"])) $redis_server['user'] = $_ENV["EMONCMS_MQTT_USER"];
if (isset($_ENV["EMONCMS_MQTT_PASSWORD"])) $redis_server['password'] = $_ENV["EMONCMS_MQTT_PASSWORD"];
if (isset($_ENV["EMONCMS_MQTT_BASETOPIC"])) $redis_server['basetopic'] = $_ENV["EMONCMS_MQTT_BASETOPIC"];
/*
Validate settings are complete
*/
$error_out = "";
if (!isset($config_file_version) || $config_file_version < 8) $error_out .= '<p>settings.php config file has new settings for this version. Copy default.settings.php to settings.php and modify the later.</p>';
if (!isset($username) || $username=="") $error_out .= '<p>missing setting: $username</p>';
if (!isset($password)) $error_out .= '<p>missing setting: $password</p>';
if (!isset($server) || $server=="") $error_out .= '<p>missing setting: $server</p>';
if (!isset($database) || $database=="") $error_out .= '<p>missing setting: $database</p>';
if ($enable_password_reset && !isset($smtp_email_settings)) $error_out .= '<p>missing setting: $smtp_email_settings</p>';
if (!isset($log_enabled)) $error_out .= "<p>missing setting: log_enabled</p>";
if (!isset($log_level)) $log_level=2; //default to warning log level
if (!isset($redis_enabled)) $redis_enabled = false;
if ($redis_enabled) {
if (!class_exists('Redis')) $error_out .= "<p>redis enabled but not installed, check setting: redis_enabled</p>";
if (!isset($redis_server['host'])) $error_out .= "<p>redis server not configured, check setting: redis_server.host</p>";
if (!isset($redis_server['port'])) $error_out .= "<p>redis server not configured, check setting: redis_server.port</p>";
if (!isset($redis_server['auth'])) $error_out .= "<p>redis server not configured, check setting: redis_server.auth</p>";
if (!isset($redis_server['prefix'])) $error_out .= "<p>redis server not configured, check setting: redis_server.prefix</p>";
if (!empty($redis_server['prefix'])) $redis_server['prefix'] = $redis_server['prefix'] . ":";
if (!isset($feed_settings['redisbuffer']['enabled'])) $feed_settings['redisbuffer'] = array('enabled'=>false);
if (!$feed_settings['redisbuffer']['sleep']) $feed_settings['redisbuffer']['sleep'] = 60;
if ((int)$feed_settings['redisbuffer']['sleep'] < 1) $error_out .= "<p>buffered writing sleep interval must be > 0, check settings: settings['redisbuffer']['sleep']";
} else {
if ($feed_settings['redisbuffer']['enabled']) $error_out .= "<p>buffered writing requires redis but its disabled, check settings: settings['redisbuffer']['enabled'], redis_enabled";
}
if (!isset($mqtt_enabled)) $mqtt_enabled = false;
if ($mqtt_enabled) {
if (!isset($mqtt_server['host'])) $error_out .= "<p>mqtt server not configured, check setting: mqtt_server</p>";
if (!isset($mqtt_server['port'])) $mqtt_server['port'] = 1883;
if (!isset($mqtt_server['user'])) $mqtt_server['user'] = null;
if (!isset($mqtt_server['password'])) $mqtt_server['password'] = null;
if (!isset($mqtt_server['basetopic'])) $mqtt_server['basetopic'] = "nodes";
}
if (!isset($feed_settings)) $feed_settings = array();
if (!isset($feed_settings['phpfiwa'])) $error_out .= "<p>feed setting for phpfiwa is not configured, check settings: settings['phpfiwa']";
if (!isset($feed_settings['phpfina'])) $error_out .= "<p>feed setting for phpfina is not configured, check settings: settings['phpfina']";
if (!isset($feed_settings['phptimeseries'])) $error_out .= "<p>feed setting for phptimeseries is not configured, check settings: settings['phptimeseries']";
if (!isset($feed_settings['redisbuffer'])) $error_out .= "<p>feed setting for redisbuffer is not configured, check settings: settings['redisbuffer']";
if (!isset($feed_settings['engines_hidden'])) $error_out .= "<p>feed setting for engines_hidden is not configured, check settings: settings['engines_hidden']";
if (!isset($feed_settings['csvdownloadlimit_mb'])) $feed_settings['csvdownloadlimit_mb'] = 10; // default
if (!isset($data_sampling)) $data_sampling = true; // default
if (!isset($fullwidth)) $fullwidth = false;
if (!isset($menucollapses)) $menucollapses = true;
if (!isset($favicon)) $favicon = "favicon.png";
if (!isset($csv_decimal_places) || $csv_decimal_places=="") $csv_decimal_places = 2;
if (!isset($csv_decimal_place_separator) || $csv_decimal_place_separator=="") $csv_decimal_place_separator = '.';
if (!isset($csv_field_separator) || $csv_field_separator=="") $csv_field_separator = ',';
if ($csv_decimal_place_separator == $csv_field_separator) $error_out .= '<p>settings incorrect: $csv_decimal_place_separator==$csv_field_separator</p>';
if ($error_out!="") {
echo "<div style='width:600px; background-color:#eee; padding:20px; font-family:arial;'>";
echo "<h3>settings.php file error</h3>";
echo $error_out;
echo "<p>To fix, check that the settings are set in <i>settings.php</i> or try re-creating your <i>settings.php</i> file from <i>default.settings.php</i> template</p>";
echo "</div>";
die;
}
// Set display errors
if (isset($display_errors) && ($display_errors)) {
error_reporting(E_ALL);
ini_set('display_errors', 'on');
}
}
else
{
echo "<div style='width:600px; background-color:#eee; padding:20px; font-family:arial;'>";
echo "<h3>settings.php file error</h3>";
echo 'Copy and modify default.settings.php to settings.php<br>';
echo 'For more information about configure settings.php file go to <a href="http://emoncms.org">http://emoncms.org</a>';
echo "</div>";
die;
}