jilo-web/app/classes/config.php

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<?php
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/**
* class Config
*
* Handles editing and fetching configuration files.
*/
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class Config {
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/**
* Edits a configuration file by updating specified options.
*
* @param array $updatedConfig Key-value pairs of configuration options to update.
* @param string $config_file Path to the configuration file.
* @return mixed Returns true on success, or an error message on failure.
*/
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public function editConfigFile($updatedConfig, $config_file) {
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// first we get a fresh config file contents as text
$config_contents = file_get_contents($config_file);
if (!$config_contents) {
return "Failed to read the config file \"$config_file\".";
}
// loop through the variables and updated them
foreach ($updatedConfig as $key => $newValue) {
// we look for 'option' => value
// option is always in single quotes
// value is without quotes, because it could be true/false
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$pattern = "/(['\"]{$key}['\"]\s*=>\s*)([^,]+),/";
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// prepare the value, make booleans w/out single quotes
if ($newValue === 'true') {
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$replacementValue = 'true';
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} elseif ($newValue === 'false') {
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$replacementValue = 'false';
} else {
$replacementValue = var_export($newValue, true);
}
// value replacing
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$config_contents = preg_replace($pattern, "$1{$replacementValue},", $config_contents);
}
// write the new config file
if (!file_put_contents($config_file, $config_contents)) {
return "Failed to write the config file \"$config_file\".";
}
return true;
}
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/**
* Loads the config.js file from the Jitsi server.
*
* @param string $jitsiUrl The base URL of the Jitsi server.
* @param bool $raw Whether to return the full file (true) or only uncommented values (false).
* @return string The content of the config.js file or an error message.
*/
public function getPlatformConfigjs($jitsiUrl, $raw = false) {
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// constructing the URL
$configjsFile = $jitsiUrl . '/config.js';
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// default content, if we can't get the file contents
$platformConfigjs = "The file $configjsFile can't be loaded.";
// ssl options
$contextOptions = [
'ssl' => [
'verify_peer' => true,
'verify_peer_name' => true,
],
];
$context = stream_context_create($contextOptions);
// get the file
$fileContent = @file_get_contents($configjsFile, false, $context);
if ($fileContent !== false) {
// when we need only uncommented values
if ($raw === false) {
// remove block comments
$platformConfigjs = preg_replace('!/\*.*?\*/!s', '', $fileContent);
// remove single-line comments
$platformConfigjs = preg_replace('/\/\/[^\n]*/', '', $platformConfigjs);
// remove empty lines
$platformConfigjs = preg_replace('/^\s*[\r\n]/m', '', $platformConfigjs);
// when we need the full file as it is
} else {
$platformConfigjs = $fileContent;
}
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}
return $platformConfigjs;
}
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/**
* Loads the interface_config.js file from the Jitsi server.
*
* @param string $jitsiUrl The base URL of the Jitsi server.
* @param bool $raw Whether to return the full file (true) or only uncommented values (false).
* @return string The content of the interface_config.js file or an error message.
*/
public function getPlatformInterfaceConfigjs($jitsiUrl, $raw = false) {
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// constructing the URL
$interfaceConfigjsFile = $jitsiUrl . '/interface_config.js';
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// default content, if we can't get the file contents
$platformInterfaceConfigjs = "The file $interfaceConfigjsFile can't be loaded.";
// ssl options
$contextOptions = [
'ssl' => [
'verify_peer' => true,
'verify_peer_name' => true,
],
];
$context = stream_context_create($contextOptions);
// get the file
$fileContent = @file_get_contents($interfaceConfigjsFile, false, $context);
if ($fileContent !== false) {
// when we need only uncommented values
if ($raw === false) {
// remove block comments
$platformInterfaceConfigjs = preg_replace('!/\*.*?\*/!s', '', $fileContent);
// remove single-line comments
$platformInterfaceConfigjs = preg_replace('/\/\/[^\n]*/', '', $platformInterfaceConfigjs);
// remove empty lines
$platformInterfaceConfigjs = preg_replace('/^\s*[\r\n]/m', '', $platformInterfaceConfigjs);
// when we need the full file as it is
} else {
$platformInterfaceConfigjs = $fileContent;
}
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}
return $platformInterfaceConfigjs;
}
}
?>