Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
namespace Friendica\App;
/**
* Determine all arguments of the current call, including
* - The whole querystring (except the pagename/q parameter)
* - The command
* - The arguments (C-Style based)
* - The count of arguments
*/
class Arguments
{
/**
* @var string The complete query string
*/
private $queryString;
/**
* @var string The current Friendica command
*/
private $command;
/**
* @var array The arguments of the current execution
*/
private $argv;
/**
* @var int The count of arguments
*/
private $argc;
public function __construct(string $queryString = '', string $command = '', array $argv = [Module::DEFAULT], int $argc = 1)
{
$this->queryString = $queryString;
$this->command = $command;
$this->argv = $argv;
$this->argc = $argc;
}
/**
* @return string The whole query string of this call
*/
public function getQueryString()
{
return $this->queryString;
}
/**
* @return string The whole command of this call
*/
public function getCommand()
{
return $this->command;
}
/**
* @return array All arguments of this call
*/
public function getArgv()
{
return $this->argv;
}
/**
* @return int The count of arguments of this call
*/
public function getArgc()
{
return $this->argc;
}
/**
* Returns the value of a argv key
* @todo there are a lot of $a->argv usages in combination with ?? which can be replaced with this method
*
* @param int $position the position of the argument
* @param mixed $default the default value if not found
*
* @return mixed returns the value of the argument
*/
public function get(int $position, $default = '')
{
return $this->has($position) ? $this->argv[$position] : $default;
}
/**
* @param int $position
*
* @return bool if the argument position exists
*/
public function has(int $position)
{
return array_key_exists($position, $this->argv);
}
/**
* Determine the arguments of the current call
*
* @param array $server The $_SERVER variable
* @param array $get The $_GET variable
*
* @return Arguments The determined arguments
*/
public function determine(array $server, array $get)
{
$queryString = '';
if (!empty($server['QUERY_STRING']) && strpos($server['QUERY_STRING'], 'pagename=') === 0) {
$queryString = substr($server['QUERY_STRING'], 9);
} elseif (!empty($server['QUERY_STRING']) && strpos($server['QUERY_STRING'], 'q=') === 0) {
$queryString = substr($server['QUERY_STRING'], 2);
}
// eventually strip ZRL
$queryString = $this->stripZRLs($queryString);
// eventually strip OWT
$queryString = $this->stripQueryParam($queryString, 'owt');
// removing trailing / - maybe a nginx problem
$queryString = ltrim($queryString, '/');
if (!empty($get['pagename'])) {
$command = trim($get['pagename'], '/\\');
} elseif (!empty($get['q'])) {
$command = trim($get['q'], '/\\');
} else {
$command = Module::DEFAULT;
}
// fix query_string
if (!empty($command)) {
$queryString = str_replace(
$command . '&',
$command . '?',
$queryString
);
}
// unix style "homedir"
if (substr($command, 0, 1) === '~') {
$command = 'profile/' . substr($command, 1);
}
// Diaspora style profile url
if (substr($command, 0, 2) === 'u/') {
$command = 'profile/' . substr($command, 2);
}
/*
* Break the URL path into C style argc/argv style arguments for our
* modules. Given "http://example.com/module/arg1/arg2", $this->argc
* will be 3 (integer) and $this->argv will contain:
* [0] => 'module'
* [1] => 'arg1'
* [2] => 'arg2'
*
*
* There will always be one argument. If provided a naked domain
* URL, $this->argv[0] is set to "home".
*/
$argv = explode('/', $command);
$argc = count($argv);
return new Arguments($queryString, $command, $argv, $argc);
}
/**
* Strip zrl parameter from a string.
*
* @param string $queryString The input string.
*
* @return string The zrl.
*/
public function stripZRLs(string $queryString)
{
return preg_replace('/[?&]zrl=(.*?)(&|$)/ism', '$2', $queryString);
}
/**
* Strip query parameter from a string.
*
* @param string $queryString The input string.
* @param string $param
*
* @return string The query parameter.
*/
public function stripQueryParam(string $queryString, string $param)
{
return preg_replace('/[?&]' . $param . '=(.*?)(&|$)/ism', '$2', $queryString);
}
}