[795] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare * |
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| 4 | * http://www.egroupware.org * |
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| 5 | * -------------------------------------------- * |
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| 6 | * This program is free software; you can redistribute it and/or modify it * |
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| 7 | * under the terms of the GNU General Public License as published by the * |
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| 8 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 9 | * option) any later version. * |
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| 10 | \**************************************************************************/ |
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| 11 | |
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| 12 | require_once 'common.inc.php'; |
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| 13 | |
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| 14 | /** |
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| 15 | * Classe que provê as fotos dos usuários do LDAP |
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| 16 | * @author Sidnei Augusto Drovetto Jr. - drovetto@gmail.com |
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| 17 | * @version 1.0 |
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| 18 | * @package Workflow |
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| 19 | * @license http://www.gnu.org/copyleft/gpl.html GPL |
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| 20 | */ |
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| 21 | class UserPictureProvider |
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| 22 | { |
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| 23 | /** |
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| 24 | * @var int $userID O ID do usuário cuja foto será exibida |
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| 25 | * @access private |
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| 26 | */ |
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| 27 | private $userID = false; |
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| 28 | |
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| 29 | /** |
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| 30 | * @var int $cacheDays O número de dias antes da imagem ser renovada |
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| 31 | * @access private |
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| 32 | */ |
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| 33 | private $cacheDays = 5; |
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| 34 | |
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| 35 | /** |
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| 36 | * Construtor da classe |
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| 37 | * @return object |
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| 38 | * @access public |
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| 39 | */ |
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| 40 | public function UserPictureProvider() |
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| 41 | { |
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| 42 | if (isset($_GET['userID'])) |
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| 43 | if (is_numeric($_GET['userID'])) |
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| 44 | $this->userID = (int) $_GET['userID']; |
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| 45 | } |
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| 46 | |
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| 47 | /** |
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| 48 | * Redimensiona uma imagem de acordo com o tamanho padrão (hardcoded 60x80) |
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| 49 | * @param resource $image Um resource do tipo image (da imagem de entrada) |
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| 50 | * @return resource Um resource do tipo image (da imagem redimensionada) |
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| 51 | * @access private |
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| 52 | */ |
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| 53 | private function resizeImage($image) |
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| 54 | { |
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| 55 | /* thumbnail dimensions */ |
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| 56 | $thumbWidth = 60; |
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| 57 | $thumbHeight = 80; |
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| 58 | $thumbRatio = $thumbWidth/$thumbHeight; |
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| 59 | |
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| 60 | /* get the image dimensions */ |
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| 61 | $width = imagesx($image); |
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| 62 | $height = imagesy($image); |
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| 63 | $ratio = $width/$height; |
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| 64 | |
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| 65 | /* resize the image according to the ratio */ |
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| 66 | if ($ratio > $thumbRatio) |
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| 67 | { |
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| 68 | $newWidth = $thumbWidth; |
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| 69 | $newHeight = $height * ($newWidth/$width); |
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| 70 | } |
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| 71 | else |
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| 72 | { |
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| 73 | $newHeight = $thumbHeight; |
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| 74 | $newWidth = $width * ($newHeight/$height); |
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| 75 | } |
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| 76 | |
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| 77 | /* create the new image */ |
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| 78 | $output = imagecreatetruecolor($newWidth, $newHeight); |
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| 79 | imagecopyresampled($output, $image, 0, 0, 0, 0,$newWidth, $newHeight, $width, $height); |
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| 80 | |
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| 81 | return $output; |
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| 82 | } |
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| 83 | |
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| 84 | /** |
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| 85 | * Serve a imagem do usuário |
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| 86 | * @return void |
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| 87 | * @access public |
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| 88 | */ |
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| 89 | public function serve() |
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| 90 | { |
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| 91 | if ($this->userID === false) |
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| 92 | return; |
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| 93 | |
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| 94 | /* encontra o diretório onde os arquivos estão armazenados */ |
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| 95 | $baseDirectory = ''; |
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| 96 | if (isset($_SESSION['workflow']['ResourcesRedirector']['baseDirectory'])) |
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| 97 | { |
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| 98 | $baseDirectory = $_SESSION['workflow']['ResourcesRedirector']['baseDirectory']; |
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| 99 | } |
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| 100 | else |
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| 101 | { |
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| 102 | if (isset($_SESSION['phpgw_info']['workflow']['vfs_basedir'])) |
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| 103 | { |
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| 104 | $baseDirectory = $_SESSION['phpgw_info']['workflow']['vfs_basedir']; |
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| 105 | } |
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| 106 | else |
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| 107 | { |
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| 108 | if (isset($_SESSION['phpgw_info']['expressomail']['server']['files_dir'])) |
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| 109 | { |
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| 110 | $baseDirectory = $_SESSION['phpgw_info']['expressomail']['server']['files_dir']; |
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| 111 | } |
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| 112 | else |
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| 113 | { |
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| 114 | /* em último caso, tenta buscar a informação em banco de dados */ |
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| 115 | /* prepara o ambiente para a carga de informações sobre o banco de dados */ |
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[2233] | 116 | $result = Factory::getInstance('WorkflowObjects')->getDBExpresso()->Link_ID->query('SELECT config_value FROM phpgw_config WHERE config_app = ? AND config_name = ?', array('phpgwapi', 'files_dir')); |
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[795] | 117 | if (empty($result)) |
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| 118 | return; |
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| 119 | $fields = $result->fetchRow(); |
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| 120 | $baseDirectory = $fields['config_value']; |
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| 121 | } |
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| 122 | } |
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| 123 | $_SESSION['workflow']['ResourcesRedirector']['baseDirectory'] = $baseDirectory; |
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| 124 | } |
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| 125 | |
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| 126 | $baseDirectory = str_replace('//', '/', $baseDirectory . '/workflow/workflow/ldapPictures'); |
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| 127 | $filename = $baseDirectory . '/' . $this->userID; |
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| 128 | |
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| 129 | $createPictureFile = true; |
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| 130 | if (file_exists($filename)) |
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| 131 | { |
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| 132 | if ((filemtime($filename) + ($this->cacheDays * 24 * 60 * 60)) > mktime()) |
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| 133 | $createPictureFile = false; |
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| 134 | else |
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| 135 | unlink($filename); |
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| 136 | } |
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| 137 | |
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| 138 | if ($createPictureFile) |
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| 139 | { |
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| 140 | if (!is_dir($baseDirectory)) |
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| 141 | mkdir($baseDirectory, 0770, true); |
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| 142 | |
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[2233] | 143 | $contents = Factory::getInstance('WorkflowLDAP')->getUserPicture($this->userID); |
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[795] | 144 | $success = true; |
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| 145 | if ($contents !== false) |
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| 146 | { |
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| 147 | $image = imagecreatefromstring($contents); |
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| 148 | $image = $this->resizeImage($image); |
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| 149 | $success = @imagepng($image, $filename); |
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| 150 | } |
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| 151 | |
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| 152 | if (($contents === false) || ($success === false)) |
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| 153 | { |
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| 154 | $filename = $baseDirectory . '/default.png'; |
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| 155 | if (!file_exists($filename)) |
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| 156 | { |
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| 157 | $image = imagecreatefrompng(dirname(__FILE__) . '/../../expressoMail1_2/templates/default/images/photo.png'); |
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| 158 | $image = $this->resizeImage($image); |
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| 159 | $success = @imagepng($image, $filename); |
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| 160 | } |
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| 161 | |
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| 162 | if ($success === false) |
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| 163 | return false; |
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| 164 | } |
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| 165 | } |
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| 166 | |
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[2233] | 167 | Factory::getInstance('ResourcesRedirector')->show($filename); |
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[795] | 168 | } |
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| 169 | } |
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| 170 | ?> |
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