libretime/airtime_mvc/public/setup/setup-functions.php

127 lines
3.7 KiB
PHP

<?php
define("BUILD_PATH", dirname(dirname(__DIR__)) . "/build/");
define("AIRTIME_CONF_TEMP_PATH", "/tmp/airtime.conf.temp");
/**
* Class Setup
*
* @author sourcefabric
*
* Abstract superclass for the setup and installation process
*/
abstract class Setup {
abstract function __construct($settings);
abstract function runSetup();
/**
* Write new property values to a given section in airtime.conf.temp
*
* @param string $section
* the configuration section to write to
* @param array $properties
* the configuration properties and values to overwrite
*/
protected function writeToTemp($section, $properties) {
if (!file_exists(AIRTIME_CONF_TEMP_PATH)) {
copy(BUILD_PATH . "airtime.example.conf", AIRTIME_CONF_TEMP_PATH);
}
$file = file(AIRTIME_CONF_TEMP_PATH);
$fileOutput = "";
$inSection = false;
foreach ($file as $line) {
if (strpos($line, $section) !== false) {
$inSection = true;
} else if (strpos($line, "[") !== false) {
$inSection = false;
}
if (substr(trim($line), 0, 1) == "#") {
/* Workaround to strip comments from airtime.conf.
* We need to do this because python's ConfigObj and PHP
* have different (and equally strict) rules about comment
* characters in configuration files.
*/
} else if ($inSection) {
$key = trim(@substr($line, 0, strpos($line, "=")));
$fileOutput .= $key && isset($properties[$key]) ? $key . " = " . $properties[$key] . "\n" : $line;
} else {
$fileOutput .= $line;
}
}
file_put_contents(AIRTIME_CONF_TEMP_PATH, $fileOutput);
}
/**
* Generates a random string.
*
* @param integer $p_len
* length of the output string
* @param string $p_chars
* characters to use in the output string
* @return string the generated random string
*/
protected function generateRandomString($p_len = 20, $p_chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789') {
$string = '';
for($i = 0; $i < $p_len; $i++) {
$pos = mt_rand(0, strlen($p_chars) - 1);
$string .= $p_chars{$pos};
}
return $string;
}
}
/**
* Class AirtimeDatabaseException
*
* @author sourcefabric
*
* Exception class for database setup errors
*/
class AirtimeDatabaseException extends Exception {
protected $message = "Unknown Airtime database exception";
protected $errors = array();
public function __construct($message = null, $errors = array(), $code = 0, Exception $previous = null) {
parent::__construct($message, $code, $previous);
$this->errors = $errors;
}
public function getErrorFields() {
return $this->errors;
}
}
// Import Setup subclasses
require_once ('database-setup.php');
require_once ('rabbitmq-setup.php');
require_once ('general-setup.php');
require_once ('media-setup.php');
// If airtime.conf exists, we shouldn't be here
if (!file_exists("/etc/airtime/airtime.conf")) {
if (isset($_GET["obj"]) && $objType = $_GET["obj"]) {
$obj = new $objType($_POST);
if ($obj instanceof Setup) {
try {
$response = $obj->runSetup();
} catch (AirtimeDatabaseException $e) {
$response = array(
"message" => $e->getMessage(),
"errors" => $e->getErrorFields()
);
}
echo json_encode($response);
}
}
}