ベーシック認証生成

get_bauth.php

<?php

// ini_set('display_errors', "On"); 

echo parse_text(
    form_text(),
    [
        'user' => getv('user'),
        'pwd' => getv('pwd')
    ]
);

if (!getv('user') || !getv('pwd')) {
    return;
}

echo parse_text(
    auth_text(),
    [
        'dir' => __DIR__
    ]
);

echo parse_text(
    htpasswd_text(),
    [
        'user' => getv('user'),
        'pwd' => password_hash(getv('pwd'), PASSWORD_BCRYPT)
    ]
);

function getv($key)
{
    if (!isset($_GET[$key])) {
        return null;
    }
    return $_GET[$key];
}

function form_text()
{
    ob_start();
?>
    <form>
        username : <input name="user" type="text" value="[+user+]"><br>
        password : <input name="pwd" type="text" value="[+pwd+]"><br>
        <input type="submit">
    </form>
<?php
    return ob_get_clean();
}

function auth_text()
{
    ob_start();
?>
.htaccess<br>
    <textarea rows="5" style="display:block;width:640px;">
AuthType Basic
AuthName "Please enter your ID and password."
AuthUserFile [+dir+]/.htpasswd
require valid-user
</textarea>
<?php
    return ob_get_clean();
}

function htpasswd_text()
{
    ob_start();
?>
.htpasswd<br>
    <textarea rows="5" style="display:block;width:640px;">[+user+]:[+pwd+]</textarea>
<?php
    return ob_get_clean();
}

function parse_text($tpl, $ph)
{
    foreach ($ph as $k => $v) {
        $tpl = str_replace('[+' . $k . '+]', $v, $tpl);
    }
    return $tpl;
}