ms1inscription-v5/superadm/qr_lien.php

<?php
/**
 * Outil superadmin — générer un QR depuis un lien libre (avec / sans logo MS1).
 * Pas d’enregistrement BD : génération à la volée + téléchargement PNG.
 */

$strLangue = 'fr';
$strPage = 'qr_lien.php';

require_once('php/inc_start_time.php');
require_once('php/inc_functions.php');
require_once dirname(__FILE__) . '/../php/inc_fx_kc_qr.php';

if (empty($_SESSION['usa_id'])) {
    header('Location: login.php');
    exit;
}

$strUrl = '';
$strError = '';
$strQrWithLogo = '';
$strQrPlain = '';
$blnReady = false;

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $strUrl = isset($_POST['lien']) ? trim((string) $_POST['lien']) : '';

    if ($strUrl === '') {
        $strError = 'Entrez un lien (http:// ou https://).';
    } elseif (!filter_var($strUrl, FILTER_VALIDATE_URL)) {
        $strError = 'Adresse Web invalide.';
    } else {
        $tabParts = parse_url($strUrl);
        $strScheme = isset($tabParts['scheme']) ? strtolower((string) $tabParts['scheme']) : '';
        if (!in_array($strScheme, array('http', 'https'), true)) {
            $strError = 'Le lien doit commencer par http:// ou https://.';
        } else {
            $binWith = fxKcQrGeneratePngBinary($strUrl, 12, true);
            $binPlain = fxKcQrGeneratePngBinary($strUrl, 12, false);
            if ($binWith === false || $binPlain === false) {
                $strError = 'Impossible de générer les QR (GD / phpqrcode).';
            } else {
                $strQrWithLogo = 'data:image/png;base64,' . base64_encode($binWith);
                $strQrPlain = 'data:image/png;base64,' . base64_encode($binPlain);
                $blnReady = true;
            }
        }
    }
}

$strSafeSlug = '';
if ($blnReady) {
    $strHost = parse_url($strUrl, PHP_URL_HOST);
    $strSafeSlug = preg_replace('/[^a-zA-Z0-9_-]+/', '-', (string) $strHost);
    $strSafeSlug = trim((string) $strSafeSlug, '-');
    if ($strSafeSlug === '') {
        $strSafeSlug = 'lien';
    }
}

include('inc_header.php');
?>
<div class="container-fluid" id="main">
    <div class="row">
        <div class="col-md-9 col-lg-10 order-first order-md-last py-3">
            <?php
            require_once dirname(__FILE__) . '/../php/inc_fx_superadm_v2_ui.php';
            fxSuperadmV2PanelOpen('Liens pratiques — Créer un code QR', array(
                'zone_class' => 'superadm-content-v2-zone superadm-content-v2-zone--flush',
            ));
            ?>

            <p class="text-muted mb-3">
                Collez un lien, générez deux PNG (avec logo MS1 / sans logo), téléchargez-les.
                Rien n’est enregistré en base.
            </p>

            <?php if ($strError !== '') { ?>
                <div class="alert alert-danger"><?php echo htmlspecialchars($strError, ENT_QUOTES, 'UTF-8'); ?></div>
            <?php } ?>

            <form method="post" action="qr_lien.php" class="mb-4">
                <div class="form-group">
                    <label for="lien" class="font-weight-bold">Lien à encoder</label>
                    <input type="url"
                           class="form-control form-control-lg"
                           id="lien"
                           name="lien"
                           required
                           autofocus
                           placeholder="https://…"
                           value="<?php echo htmlspecialchars($strUrl, ENT_QUOTES, 'UTF-8'); ?>">
                </div>
                <button type="submit" class="btn btn-primary rounded-0">
                    <i class="fa fa-qrcode" aria-hidden="true"></i>&nbsp;Générer les 2 QR
                </button>
            </form>

            <?php if ($blnReady) { ?>
                <div class="row">
                    <div class="col-md-6 mb-4">
                        <div class="border p-3 h-100 bg-white">
                            <h5 class="mb-3">Avec logo MS1</h5>
                            <div class="mb-3 text-center">
                                <img src="<?php echo htmlspecialchars($strQrWithLogo, ENT_QUOTES, 'UTF-8'); ?>"
                                     alt="QR avec logo"
                                     width="260" height="260"
                                     class="border bg-white p-1">
                            </div>
                            <a class="btn btn-outline-secondary btn-sm rounded-0 btn-block"
                               href="<?php echo htmlspecialchars($strQrWithLogo, ENT_QUOTES, 'UTF-8'); ?>"
                               download="qr-<?php echo htmlspecialchars($strSafeSlug, ENT_QUOTES, 'UTF-8'); ?>-logo.png">
                                <i class="fa fa-download" aria-hidden="true"></i>&nbsp;Télécharger (avec logo)
                            </a>
                        </div>
                    </div>
                    <div class="col-md-6 mb-4">
                        <div class="border p-3 h-100 bg-white">
                            <h5 class="mb-3">Sans logo</h5>
                            <div class="mb-3 text-center">
                                <img src="<?php echo htmlspecialchars($strQrPlain, ENT_QUOTES, 'UTF-8'); ?>"
                                     alt="QR sans logo"
                                     width="260" height="260"
                                     class="border bg-white p-1">
                            </div>
                            <a class="btn btn-outline-secondary btn-sm rounded-0 btn-block"
                               href="<?php echo htmlspecialchars($strQrPlain, ENT_QUOTES, 'UTF-8'); ?>"
                               download="qr-<?php echo htmlspecialchars($strSafeSlug, ENT_QUOTES, 'UTF-8'); ?>-plain.png">
                                <i class="fa fa-download" aria-hidden="true"></i>&nbsp;Télécharger (sans logo)
                            </a>
                        </div>
                    </div>
                </div>
                <p class="small text-muted mb-0">
                    Lien encodé :
                    <code><?php echo htmlspecialchars($strUrl, ENT_QUOTES, 'UTF-8'); ?></code>
                </p>
            <?php } ?>

            <?php fxSuperadmV2PanelClose(); ?>
            <p>&nbsp;</p>
        </div>
        <?php require_once('inc_droite.php'); ?>
    </div>
</div>
<?php require_once('inc_footer.php'); ?>