pinpie/pinpie

<?php

namespace pinpie\pinpie;


class URL {
    /** @var null|PP */
    public $pinpie = null;
    public $scheme = '';
    public $host = '';
    public $port = '';
    /**
     * user is the user part of parse_url() returned result.
     * @var string
     */
    public $user = '';
    public $pass = '';
    public $path = '/';
    public $query = '';
    public $fragment = '';
    /**
     * Equals to the first param in constructor.
     * @var string
     */
    public $url = '';
    public $file = false;
    /**
     * True if page file was found. False if not.
     * @var bool
     */
    public $found = false;
    /**
     * Part of url for which a file was found.
     * Exploded to array by slash.
     * @var array
     */
    public $foundUrl = [];
    /**
     * Part of url after found part and exploded by slash.
     * @var array
     */
    public $params = [];
    public $parsed = [];

    function __construct($url, PP $pinpie) {
        $this->pinpie = $pinpie;
        $this->url = $url;
        $this->parseUrl();
        $this->found = $this->findFile($this->path);
        /* when exploding empty string explode() returns array with one empty string in it - ['']
        to prevent this have to check and do not explode empty strings */
        $tpath = trim($this->path, '/');
        if ($tpath !== '') {
            $this->params = array_slice(explode('/', $tpath), count($this->foundUrl));
        }
    }

    protected function parseUrl() {
        $this->parsed = parse_url($this->url);
        if (isset($this->parsed['scheme']))
            $this->scheme = $this->parsed['scheme'];
        if (isset($this->parsed['host']))
            $this->host = $this->parsed['host'];
        if (isset($this->parsed['port']))
            $this->port = $this->parsed['port'];
        if (isset($this->parsed['user']))
            $this->user = $this->parsed['user'];
        if (isset($this->parsed['pass']))
            $this->pass = $this->parsed['pass'];
        if (isset($this->parsed['path']))
            $this->path = $this->parsed['path'];
        if (isset($this->parsed['query']))
            $this->query = $this->parsed['query'];
        if (isset($this->parsed['fragment']))
            $this->fragment = $this->parsed['fragment'];
    }

    protected $findPageFileRecur = 0;

    protected function findFile($url) {
        $this->findPageFileRecur++;
        if ($this->findPageFileRecur > $this->pinpie->conf->pinpie['route to parent']) {
            return false;
        }
        if (empty($url)) {
            return false;
        }
        /////////////////////////////////////////////////////////
        /* have to create string from url, if it is already exploded */
        if (is_array($url)) {
            $surl = implode(DIRECTORY_SEPARATOR, $url);
        } else {
            $url = trim((string)$url, '/');
            $surl = $url;
            if ($url === "") {
                $url = [];
            } else {
                $url = explode('/', $url);
            }
        }

        //if $surl is "ololo/ajaja":
        //First step. Look for "/pages/ololo/ajaja.php".
        $filename = $surl . '.php';
        if ($this->checkFile($filename)) {
            $this->file = trim($filename, '\\/');
            $this->foundUrl = $url;
            return true;
        }

        //Second step. If it is directory, look for "/pages/ololo/ajaja/index.php".
        $filename = $surl . DIRECTORY_SEPARATOR . $this->pinpie->conf->pinpie['index file name'];
        if ($this->checkFile($filename)) {
            $this->file = trim($filename, '\\/');
            $this->foundUrl = $url;
            return true;
        }

        //Third step. If $this->pinpie->conf->route_to_parent is set greater than zero, will look for nearest parent. Mean "/pages/ololo/ajaja/index.php" if not exist, goes to"/pages/ololo.php" or "/pages/ololo/index.php". (BUT NOT "/pages/index.php" anyway)
        if ($this->pinpie->conf->pinpie['route to parent'] > 0) {
            unset($url[count($url) - 1]);
            return $this->findFile($url);
        }

        return false;
    }

    protected function checkFile($filename) {
        $path = $this->pinpie->conf->tags['PAGE']['folder'] . DIRECTORY_SEPARATOR . $filename;
        if (!file_exists($path)) {
            return false;
        }
        /* file found */
        if (
            $this->pinpie->conf->tags['PAGE']['realpath check']
            AND !$this->pinpie->checkPathIsInFolder($path, $this->pinpie->conf->tags['PAGE']['folder'])
        ) {
            /* if file was found, but had to check realpath and check failed (file is not in dir where it have to be) */
            return false;
        }
        return true;
    }

}