105 lines
3.1 KiB
PHP
105 lines
3.1 KiB
PHP
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<?php
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/*
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* Copyright (C) 2023 Xibo Signage Ltd
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*
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* Xibo - Digital Signage - http://www.xibo.org.uk
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*
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* This file is part of Xibo.
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*
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* Xibo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* Xibo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Xibo. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Xibo\Helper;
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use RobThree\Auth\Providers\Qr\BaseHTTPQRCodeProvider;
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use RobThree\Auth\Providers\Qr\QRException;
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class QuickChartQRProvider extends BaseHTTPQRCodeProvider
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{
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public $url;
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public $errorCorrectionLevel;
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public $margin;
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public $backgroundColor;
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public $color;
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public $format;
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/**
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* QuickChartQRProvider constructor.
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* @param string $url URL to a Quick Chart service
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* @param bool $verifyssl
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* @param string $errorCorrectionLevel valid values L, M, Q, H
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* @param int $margin
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* @param string $backgroundColor Hex color code - background colour
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* @param string $color Hex color code - QR colour
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* @param string $format Valid values: png, svg
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* @throws QRException
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*/
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public function __construct(
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$url,
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$verifyssl = false,
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$errorCorrectionLevel = 'L',
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$margin = 4,
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$backgroundColor = 'ffffff',
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$color = '000000',
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$format = 'png'
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) {
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if (!is_bool($verifyssl)) {
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throw new QRException('VerifySSL must be bool');
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}
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$this->verifyssl = $verifyssl;
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$this->url = $url;
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$this->errorCorrectionLevel = $errorCorrectionLevel;
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$this->margin = $margin;
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$this->backgroundColor = $backgroundColor;
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$this->color = $color;
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$this->format = $format;
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}
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/**
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* @return string
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* @throws QRException
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*/
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public function getMimeType()
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{
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switch (strtolower($this->format)) {
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case 'png':
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return 'image/png';
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case 'svg':
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return 'image/svg+xml';
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case 'webp':
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return 'image/webp';
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}
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throw new QRException(sprintf('Unknown MIME-type: %s', $this->format));
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}
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public function getQRCodeImage($qrText, $size)
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{
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return $this->getContent($this->getUrl($qrText, $size));
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}
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public function getUrl($qrText, $size)
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{
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return $this->url . '/qr'
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. '?size=' . $size
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. '&ecLevel=' . strtoupper($this->errorCorrectionLevel)
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. '&margin=' . $this->margin
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. '&light=' . $this->backgroundColor
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. '&dark=' . $this->color
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. '&format=' . strtolower($this->format)
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. '&text=' . rawurlencode($qrText);
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}
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}
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