92 lines
2.6 KiB
PHP
92 lines
2.6 KiB
PHP
<?php
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namespace FluidTYPO3\Vhs\ViewHelpers\Media;
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/*
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* This file is part of the FluidTYPO3/Vhs project under GPLv2 or later.
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*
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* For the full copyright and license information, please read the
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* LICENSE.md file that was distributed with this source code.
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*/
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use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
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/**
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* Renders Gravatar <img/> tag
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*
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* @author Juan Manuel Vergés Solanas <juanmanuel@vergessolanas.es>
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* @package Vhs
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* @subpackage ViewHelpers\Media
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*/
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class GravatarViewHelper extends AbstractTagBasedViewHelper {
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/**
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* Base url
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*
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* @var string
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*/
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const GRAVATAR_BASEURL = 'http://www.gravatar.com/avatar/';
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/**
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* Base secure url
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*
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* @var string
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*/
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const GRAVATAR_SECURE_BASEURL = 'https://secure.gravatar.com/avatar/';
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/**
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* @var string
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*/
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protected $tagName = 'img';
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/**
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* Initialize arguments.
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* Size argument has no default value to prevent the creation of an unnecessary URI parameter.
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*
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* @return void
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* @api
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*/
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public function initializeArguments() {
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parent::initializeArguments();
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$this->registerUniversalTagAttributes();
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$this->registerArgument('email', 'string', 'Email address', TRUE);
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$this->registerArgument('size', 'integer', 'Size in pixels, defaults to 80px [ 1 - 2048 ]', FALSE);
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$this->registerArgument('imageSet', 'string', 'Default image set to use. Possible values [ 404 | mm | identicon | monsterid | wavatar ] ', FALSE);
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$this->registerArgument('maximumRating', 'string', 'Maximum rating (inclusive) [ g | pg | r | x ]', FALSE);
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$this->registerArgument('secure', 'boolean', 'If it is FALSE will return the un secure Gravatar domain (www.gravatar.com)', FALSE, TRUE);
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}
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/**
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* Render method
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*
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* @return string
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*/
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public function render() {
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$email = $this->arguments['email'];
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$size = $this->checkArgument('size');
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$imageSet = $this->checkArgument('imageSet');
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$maximumRating = $this->checkArgument('maximumRating');
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$secure = (boolean) $this->arguments['secure'];
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$url = (TRUE === $secure ? self::GRAVATAR_SECURE_BASEURL : self::GRAVATAR_BASEURL);
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$url .= md5(strtolower(trim($email)));
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$query = http_build_query(array('s' => $size, 'd' => $imageSet, 'r' => $maximumRating));
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$url .= (FALSE === empty($query) ? '?' . $query : '');
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$this->tag->addAttribute('src', $url);
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$this->tag->forceClosingTag(TRUE);
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return $this->tag->render();
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}
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/**
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* Check if an argument is passed
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*
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* @param $argument
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*
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* @return mixed
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*/
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private function checkArgument($argument) {
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return TRUE === isset($this->arguments[$argument]) ? $this->arguments[$argument] : NULL;
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}
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}
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