php - samba

<?php
$smb = "/etc/samba/smb.conf";
exec ("cat ".$smb, $config);

//Проверка наличия передачи данных формы методом POST и отстутствие данных переданных методом GET:
if (!empty($_POST) and empty($_GET)) {
        if (isset($_POST['name']) and isset($_POST['path'])) {
            $z = count($config);
            $config[$z] = "[".$_POST['name']."]";
            $z++;
            $config[$z] = "path = ".$_POST['path'];
            $z++;
            if ($_POST['rw'] == "on") {
                $config[$z] = "read only = no";
                $z++;
                $config[$z] = "writable = yes";
                $z++;
                }
            else {
                $config[$z] = "read only = yes";
                $z++;
                $config[$z] = "writable = no";
                $z++;
            }
            $config[$z] = "hide files = /$RECYCLE.BIN/desktop.ini/lost+found/Thumbs.db/~*/";
            $z++;
            $config[$z] = "public = yes";
            $i++;
            $z++;
        }
        $c = 0;
        exec ("sudo rm ".$smb);
        while ($c < count($config)) {
            $write[$c] = "echo '".$config[$c]."' | sudo tee -a ".$smb;
            exec ($write[$c]);
            $c++;
        }
        exec ("sudo systemctl restart smbd");
        header('Location: /samba/');
    }

//В случае наличия данных переданных методом POST и GET
elseif (!empty($_POST) and !empty($_GET) and $_GET['edit'] == '1') {
    $q = ((count($_POST)/3)-1);
    $i = 0;
    if (count($config)>19)  {
        $z=0;
        while ($z<20) {
            $temp[$z] = $config[$z];
            $z++;
        }
        while ($i <= $q) {
                if ($_POST['delshare'.$i] == "on") { $i++; }
                else if (isset($_POST['name'.$i]) and isset($_POST['path'.$i])) {
                    $temp[$z] = "[".$_POST['name'.$i]."]";
                    $z++;
                    $temp[$z] = "path = ".$_POST['path'.$i];
                    $z++;
                    if ($_POST['rw'.$i] == "on") {
                        $temp[$z] = "read only = no";
                        $z++;
                        $temp[$z] = "writable = yes";
                        $z++;
                    }
                    else {
                        $temp[$z] = "read only = yes";
                        $z++;
                        $temp[$z] = "writable = no";
                        $z++;
                    }
                    $temp[$z] = "hide files = /$RECYCLE.BIN/desktop.ini/lost+found/Thumbs.db/~*/";
                    $z++;
                    $temp[$z] = "public = yes";
                    $i++;
                    $z++;
                }
                else { $i++; }
            }
            $c = 0;
            exec ("sudo rm ".$smb);
            while ($c < count($temp)) {
                $write[$c] = "echo '".$temp[$c]."' | sudo tee -a ".$smb;
                exec ($write[$c]);
                $c++;
            }
            exec ("sudo systemctl restart smbd");
            header('Location: /samba/');
        }
        else {
            $z=20;
            while ($i <= $q) {
                $config[$z] = "[".$_POST['name'.$i]."]";
                $z++;
                $config[$z] = "path = ".$_POST['path'.$i];
                $z++;
                if ($_POST['rw'.$i] == "on") {
                    $config[$z] = "read only = no";
                    $z++;
                    $config[$z] = "writable = yes";
                    $z++;
                }
                else {
                    $config[$z] = "read only = yes";
                    $z++;
                    $config[$z] = "writable = no";
                    $z++;
                }
                $config[$z] = "hide files = /$RECYCLE.BIN/desktop.ini/lost+found/Thumbs.db/~*/";
                $z++;
                $config[$z] = "public = yes";
                $i++;
                $z++;
            }
            $c = 0;
            exec ("sudo rm ".$smb);
            while ($c < count($config)) {
                $write[$c] = "echo '".$config[$c]."' | sudo tee -a ".$smb;
                exec ($write[$c]);
                $c++;
            }
            exec ("sudo systemctl restart smbd");
            header('Location: /samba/');
        }
}

//В случае наличия данных переданных методом GET и отсутствия данных переданных методом POST
elseif (empty($_POST) and !empty($_GET) and $_GET['edit'] == '1') {
    include '../nav.php';
    include '../header.php';
    include '../menu.php';
    echo "<br>";
        if (count($config)>19) {
        $i=20;
        $k=0;
        while (count($config)>$i) {
                $share[$k] = $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i];
                $i++;
                $k++;
        }
        echo "<table><tr class='center1'><td>Share name</td><td>Share path</td><td>Writable</td><td>Delete</td></tr>";
        echo "<form method=post name=tableshare>";
        foreach ($share as $key => $value) {
            $temp = explode ("|", $value);
            $name = str_replace("[", "", $temp[0]);
            $name = str_replace("]", "", $name);
            $path = explode (" = ", $temp[1]);
            $path = $path[1];
            if ($temp[2] == "read only = no" AND $temp[3] == "writable = yes") {
                    $rw = "checked";
            } else { $rw = ""; }
            echo "<tr class='center2'><td width=150><input maxlength='20' size='20' name='name".$key."' value='".$name."' required></td><td width=200><input maxlength='25' size='25' name='path".$key."' value='".$path."' required></td><td><input type='checkbox' name='rw".$key."' ".$rw."></td><td><input type=checkbox name='delshare".$key."'></td></tr>";
        }
        echo "<tr><td colspan=4 align='left'><button>Сохранить изменения</button><input type='button' value='Отмена' onClick=location.href='/samba/'></td></tr></form>";
        echo "</table>";
    }
    echo "</section></div></body></html>";
}

//В случае отсутствия данных переданных методом POST и GET
else {
    include '../nav.php'; // php определение текущей страницы и тайтла для страницы
    include '../header.php'; // html болванка со стилями
    include '../menu.php'; // панель навигации
    echo "<br>";
        if (count($config)>19) {
        $i=20;
        $k=0;
        while (count($config)>$i) {
                $share[$k] = $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i]."|";
                $i++;
                $share[$k] .= $config[$i];
                $i++;
                $k++;
        }
        echo "<table><tr class='center1'><td width=150>Share name</td><td width=200>Share path</td><td>Writable</td></tr>";
        foreach ($share as $value) {
            $temp = explode ("|", $value);
            $name = str_replace("[", "", $temp[0]);
            $name = str_replace("]", "", $name);
            $path = explode (" = ", $temp[1]);
            $path = $path[1];
            if ($temp[2] == "read only = no" AND $temp[3] == "writable = yes") {
                    $rw = "yes";
            } else { $rw = "no"; }
            echo "<tr class='center2'><td>".$name."</div></td><td>".$path."</td><td>".$rw."</td></tr>";
        }
        echo "<tr><td colspan=3><form name='edit'><button name=edit value=1>Изменить</button></form></td></tr></table>";
    }
    else { echo "<br>В данный момент не задано ни одной общей папки."; }
        echo "<table>";
            echo "<tr class='center1'>";
                echo "<td>Share name</td>";
                echo "<td>Share path</td>";
                echo "<td>Writable</td>";
            echo "</tr>";
            echo "<form method=post name=add_share>";
                echo "<tr class='center1'>";
                    echo "<td width=150><input maxlength='20' size='20' name='name' required></td>";
                    echo "<td width=200><input maxlength='25' size='25' name='path' required></td>";
                    echo "<td><input type='checkbox' name='rw'></td>";
                echo "</tr>";
                echo "<tr>";
                    echo "<td colspan=3><button>Добавить</button></td>";
                echo "</tr>";
            echo "</form>";
        echo "</table>";
    echo "</section></div></body></html>";
}
?>