/**
* Function to look after backup restorations
* @param $restore_area String Area to restore
* @param $restore_area_data Array Area data as an array
*/
function process_restore_data($restore_area, $restore_area_data)
{
global $settings, $system_config_areas, $keepMasterSlaveSettings, $keepNetworkSettings, $uploadDataProtected, $settings_restored;
global $args;
//Includes for API access
require_once 'fppjson.php';
require_once 'fppxml.php';
$restore_area_key = $restore_area_sub_key = "";
$save_result = false;
//if restore area contains a forward slash, then we want to restore into a sub-area
//split string to get the main area and sub-area
if (stripos($restore_area, "/") !== false) {
$restore_area_arr = explode("/", $restore_area);
$restore_area_key = $restore_area_arr[0];
//main area is first
$restore_area_sub_key = $restore_area_arr[1];
//sub-area is 2nd
} else {
$restore_area_key = $restore_area;
}
if ($restore_area_key == "channelOutputsJSON") {
$channel_outputs_json_filepath = $system_config_areas['channelOutputsJSON']['file'];
//PrettyPrint the JSON data and save it
$json_pp_data = prettyPrintJSON(json_encode($restore_area_data));
$save_result = file_put_contents($channel_outputs_json_filepath, $json_pp_data);
}
if ($restore_area_key == "channeloutputs") {
//Overwrite channel outputs JSON
$channel_outputs_filepath = $system_config_areas['channeloutputs']['file'];
//implode array into string and reinsert new lines (reverse of backup explode)
$data = implode("\n", $restore_area_data);
$save_result = file_put_contents($channel_outputs_filepath, $data);
}
if ($restore_area_key == "channelmemorymaps") {
//Overwrite channel outputs JSON
$channelmemorymaps_filepath = $system_config_areas['channelmemorymaps']['file'];
$data = implode("\n", $restore_area_data);
$save_result = file_put_contents($channelmemorymaps_filepath, $data);
}
if ($restore_area_key == "show_setup") {
$script_filenames = array();
$show_setup_areas = $system_config_areas['show_setup']['file'];
//search through the files that should of been backed up
//and then loop over the restore data and match up the data and restore it
foreach ($show_setup_areas as $show_setup_area_index => $show_setup_area_data) {
$restore_location = $show_setup_area_data['location'];
$restore_type = $show_setup_area_data['type'];
$final_restore_data = "";
//If $restore_area_sub_key is empty then no sub-area has been chosen -- restore as normal
//Or if $restore_area_sub_key is equal to the $show_setup_area_index we're on, then restore just this area
//and break the loop
if ($restore_area_sub_key == "" || $restore_area_sub_key == $show_setup_area_index) {
//if the restore key and the $show_setup_areas key match then restore data to whatever location it is
//eg. if we are on events, then look for events in the restore data, when found restore data to the events location
foreach ($restore_area_data as $restore_area_data_index => $restore_area_data_data) {
$save_result = false;
//$restore_area_data_data is an array representing the file contents
//$restore_area_data_index represents the filename (used to key the array)
if ($show_setup_area_index == $restore_area_data_index) {
if (is_array($restore_area_data_data)) {
//loop over all the files and their data and restore each
//$add array will look like
//array ('event'=> array('01_01.fevt' => array(data), '21_10.fevt' => array(data)))
foreach ($restore_area_data_data as $fn_to_restore => $fn_data) {
$restore_location = $show_setup_area_data['location'];
//reset
$final_restore_data = "";
$final_restore_data = implode("\n", $fn_data);
if (strtolower($show_setup_area_index) == "scripts") {
$script_filenames[] = $fn_to_restore;
}
if ($restore_type == "dir") {
$restore_location .= "/" . $fn_to_restore;
}
if (!empty($final_restore_data)) {
$save_result = file_put_contents($restore_location, $final_restore_data);
}
}
}
break;
//break after data is restored for this section
}
}
//Don't break if area key is empty, because we want to process all the sub-areas
if ($restore_area_sub_key != "") {
//we found the sub-area, stop looking
break;
}
}
}
//Cause any InstallActions to be run for the restored scripts
RestoreScripts($script_filenames);
//Restart FFPD so any changes can take effect
RestartFPPD();
}
if ($restore_area_key == "plugins") {
if (is_array($restore_area_data)) {
//Just overwrite the universes file
$plugin_settings_path = $settings['configDirectory'];
//loop over the data and get the plugin name and then write the settings out
foreach ($restore_area_data as $plugin_name => $plugin_data) {
$plugin_settings_path = $plugin_settings_path . "/plugin." . $plugin_name;
$data = implode("\n", $plugin_data[$plugin_name]);
$save_result = file_put_contents($plugin_settings_path, $data);
}
}
}
if ($restore_area_key == "email") {
//TODO rework this so it will work future email system implementation, were different providers are used
if (is_array($restore_area_data)) {
$emailenable = $restore_area_data['emailenable'];
$emailguser = $restore_area_data['emailguser'];
$emailgpass = $restore_area_data['emailgpass'];
$emailfromtext = $restore_area_data['emailfromtext'];
$emailtoemail = $restore_area_data['emailtoemail'];
//Write them out
WriteSettingToFile('emailenable', $emailenable);
WriteSettingToFile('emailguser', $emailguser);
WriteSettingToFile('emailfromtext', $emailfromtext);
WriteSettingToFile('emailtoemail', $emailtoemail);
//Only save password and generate exim config if upload data is unprotected
//meaning the password was included in the backup,
//otherwise existing (valid) config may be overwritten
if ($uploadDataProtected == false && $emailgpass != "") {
WriteSettingToFile('emailgpass', $emailgpass);
//Update the email config (writes out exim config)
SaveEmailConfig($emailguser, $emailgpass, $emailfromtext, $emailtoemail);
}
$save_result = true;
}
}
if ($restore_area_key == "settings") {
if (is_array($restore_area_data)) {
foreach ($restore_area_data as $setting_name => $setting_value) {
//check if we can change it (default value is checked - true)
if ($setting_name == "fppMode") {
if ($keepMasterSlaveSettings == false) {
WriteSettingToFile($setting_name, $setting_value);
}
} else {
WriteSettingToFile($setting_name, $setting_value);
}
//Do special things that require some sort of system change
//eg. changing piRTC via GUI will fire off a shell command to set it up
//we'll also do this to keep consistency
if ($setting_name == 'piRTC') {
SetPiRTC($setting_value);
} else {
if ($setting_name == "PI_LCD_Enabled") {
//DO a weird work around and set our request params and then call
//the function to enable the LCD
if ($setting_value == 1) {
$_GET['enabled'] = "true";
} else {
$_GET['enabled'] = "false";
}
SetPiLCDenabled();
} else {
if ($setting_name == "AudioOutput") {
$args['value'] = $setting_value;
SetAudioOutput();
} else {
if ($setting_name == "volume") {
$_GET['volume'] = trim($setting_value);
SetVolume();
} else {
if ($setting_name == "ntpServer") {
SetNtpServer($setting_value);
// SetNtpState(1);//Toggle NTP on
NtpServiceRestart();
//Restart NTP client so changes take effect
} else {
if ($setting_name == "NTP") {
SetNtpState($setting_value);
}
}
}
}
}
}
}
//Restart FFPD so any changes can take effect
RestartFPPD();
$save_result = true;
} else {
error_log("RESTORE: Cannot read Settings INI settings. Attempted to parse " . json_encode($restore_area_data));
}
}
if ($restore_area_key == "timezone") {
$data = $restore_area_data[0];
//first index has the timezone, index 1 is empty to due carriage return in file when its backed up
SetTimezone($data);
$save_result = true;
}
if ($restore_area_key == "pixelnetDMX") {
//Just overwrite the universes file
$pixlnet_filepath = $system_config_areas['pixelnetDMX']['file'];
$data = implode("\n", $restore_area_data);
$save_result = file_put_contents($pixlnet_filepath, $data);
}
if ($restore_area_key == "universes") {
//Just overwrite the universes file
$universe_filepath = $system_config_areas['universes']['file'];
$data = implode("\n", $restore_area_data);
$save_result = file_put_contents($universe_filepath, $data);
}
if ($save_result) {
$settings_restored[$restore_area] = true;
} else {
$settings_restored[$restore_area] = false;
error_log("RESTORE: Failed to restore " . $restore_area . " ");
}
}
function SetSetting()
{
global $args, $SUDO;
$setting = $args['key'];
$value = $args['value'];
check($setting, "setting", __FUNCTION__);
check($value, "value", __FUNCTION__);
WriteSettingToFile($setting, $value);
if ($setting == "LogLevel") {
SendCommand("LogLevel,{$value},");
} else {
if ($setting == "LogMask") {
$newValue = "";
if ($value != "") {
$newValue = preg_replace("/,/", ";", $value);
}
SendCommand("LogMask,{$newValue},");
} else {
if ($setting == "HostName") {
$value = preg_replace("/[^a-zA-Z0-9]/", "", $value);
exec($SUDO . " sed -i 's/^.*\$/{$value}/' /etc/hostname ; " . $SUDO . " sed -i '/^127.0.1.1[^0-9]/d' /etc/hosts ; " . $SUDO . " sed -i '\$a127.0.1.1 {$value}' /etc/hosts ; " . $SUDO . " hostname {$value} ; " . $SUDO . " /etc/init.d/avahi-daemon restart ;" . $SUDO . " systemctl restart avahi-daemon.service", $output, $return_val);
sleep(1);
// Give Avahi time to restart before we return
} else {
if ($setting == "EnableRouting") {
if ($value != "1") {
$value = "0";
}
exec($SUDO . " sed -i '/net.ipv4.ip_forward/d' /etc/sysctl.conf; " . $SUDO . " sed -i '\$anet.ipv4.ip_forward = {$value}' /etc/sysctl.conf ; " . $SUDO . " sysctl --system", $output, $return_val);
} else {
if ($setting == "storageDevice") {
exec('mount | grep boot | cut -f1 -d" " | sed -e "s/\\/dev\\///" -e "s/p[0-9]$//"', $output, $return_val);
$bootDevice = $output[0];
unset($output);
if (preg_match("/{$bootDevice}/", $value)) {
exec($SUDO . " sed -i 's/.*home\\/fpp\\/media/#\\/dev\\/sda1 \\/home\\/fpp\\/media/' /etc/fstab", $output, $return_val);
} else {
exec($SUDO . " sed -i 's/.*home\\/fpp\\/media/\\/dev\\/{$value} \\/home\\/fpp\\/media/' /etc/fstab", $output, $return_val);
}
} else {
if ($setting == "AudioOutput") {
SetAudioOutput($value);
} else {
if ($setting == "ForceHDMI") {
if ($value) {
exec($SUDO . " sed -i '/hdmi_force_hotplug/d' /boot/config.txt; " . $SUDO . " sed -i '\$ahdmi_force_hotplug=1' /boot/config.txt", $output, $return_val);
} else {
exec($SUDO . " sed -i '/hdmi_force_hotplug/d' /boot/config.txt; " . $SUDO . " sed -i '\$a#hdmi_force_hotplug=1' /boot/config.txt", $output, $return_val);
}
} else {
SendCommand("SetSetting,{$setting},{$value},");
}
}
}
}
}
}
}
GetSetting();
}