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| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\avatar\driver; |
| 15 | |
| 16 | /** |
| 17 | * Handles avatars hosted at gravatar.com |
| 18 | */ |
| 19 | class gravatar extends \phpbb\avatar\driver\driver |
| 20 | { |
| 21 | /** |
| 22 | * The URL for the gravatar service |
| 23 | */ |
| 24 | const GRAVATAR_URL = '//secure.gravatar.com/avatar/'; |
| 25 | |
| 26 | /** |
| 27 | * {@inheritdoc} |
| 28 | */ |
| 29 | public function get_data($row) |
| 30 | { |
| 31 | return array( |
| 32 | 'src' => $row['avatar'], |
| 33 | 'width' => $row['avatar_width'], |
| 34 | 'height' => $row['avatar_height'], |
| 35 | ); |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * {@inheritdoc} |
| 40 | */ |
| 41 | public function get_custom_html($user, $row, $alt = '') |
| 42 | { |
| 43 | return '<img class="gravatar" src="' . $this->get_gravatar_url($row) . '" ' . |
| 44 | ($row['avatar_width'] ? ('width="' . $row['avatar_width'] . '" ') : '') . |
| 45 | ($row['avatar_height'] ? ('height="' . $row['avatar_height'] . '" ') : '') . |
| 46 | 'alt="' . ((!empty($user->lang[$alt])) ? $user->lang[$alt] : $alt) . '" />'; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * {@inheritdoc} |
| 51 | */ |
| 52 | public function prepare_form($request, $template, $user, $row, &$error) |
| 53 | { |
| 54 | $template->assign_vars(array( |
| 55 | 'AVATAR_GRAVATAR_WIDTH' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_width']) ? $row['avatar_width'] : $request->variable('avatar_gravatar_width', ''), |
| 56 | 'AVATAR_GRAVATAR_HEIGHT' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar_height']) ? $row['avatar_height'] : $request->variable('avatar_gravatar_width', ''), |
| 57 | 'AVATAR_GRAVATAR_EMAIL' => (($row['avatar_type'] == $this->get_name() || $row['avatar_type'] == 'gravatar') && $row['avatar']) ? $row['avatar'] : '', |
| 58 | )); |
| 59 | |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * {@inheritdoc} |
| 65 | */ |
| 66 | public function process_form($request, $template, $user, $row, &$error) |
| 67 | { |
| 68 | $row['avatar'] = $request->variable('avatar_gravatar_email', ''); |
| 69 | $row['avatar_width'] = $request->variable('avatar_gravatar_width', 0); |
| 70 | $row['avatar_height'] = $request->variable('avatar_gravatar_height', 0); |
| 71 | |
| 72 | if (empty($row['avatar'])) |
| 73 | { |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | if (!function_exists('validate_data')) |
| 78 | { |
| 79 | require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext); |
| 80 | } |
| 81 | |
| 82 | $validate_array = validate_data( |
| 83 | array( |
| 84 | 'email' => $row['avatar'], |
| 85 | ), |
| 86 | array( |
| 87 | 'email' => array( |
| 88 | array('string', false, 6, 60), |
| 89 | array('email'), |
| 90 | ), |
| 91 | ) |
| 92 | ); |
| 93 | |
| 94 | $error = array_merge($error, $validate_array); |
| 95 | |
| 96 | if (!empty($error)) |
| 97 | { |
| 98 | return false; |
| 99 | } |
| 100 | |
| 101 | // Get image dimensions if they are not set |
| 102 | if ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0) |
| 103 | { |
| 104 | /** |
| 105 | * default to the minimum of the maximum allowed avatar size if the size |
| 106 | * is not or only partially entered |
| 107 | */ |
| 108 | $row['avatar_width'] = $row['avatar_height'] = min($this->config['avatar_max_width'], $this->config['avatar_max_height']); |
| 109 | $url = $this->get_gravatar_url($row); |
| 110 | |
| 111 | if (($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0) && (($image_data = $this->imagesize->getImageSize($url)) === false)) |
| 112 | { |
| 113 | $error[] = 'UNABLE_GET_IMAGE_SIZE'; |
| 114 | return false; |
| 115 | } |
| 116 | |
| 117 | if (!empty($image_data) && ($image_data['width'] <= 0 || $image_data['height'] <= 0)) |
| 118 | { |
| 119 | $error[] = 'AVATAR_NO_SIZE'; |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | $row['avatar_width'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_width'] : $image_data['width']; |
| 124 | $row['avatar_height'] = ($row['avatar_width'] && $row['avatar_height']) ? $row['avatar_height'] : $image_data['height']; |
| 125 | } |
| 126 | |
| 127 | if ($row['avatar_width'] <= 0 || $row['avatar_height'] <= 0) |
| 128 | { |
| 129 | $error[] = 'AVATAR_NO_SIZE'; |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | if ($this->config['avatar_max_width'] || $this->config['avatar_max_height']) |
| 134 | { |
| 135 | if ($row['avatar_width'] > $this->config['avatar_max_width'] || $row['avatar_height'] > $this->config['avatar_max_height']) |
| 136 | { |
| 137 | $error[] = array('AVATAR_WRONG_SIZE', $this->config['avatar_min_width'], $this->config['avatar_min_height'], $this->config['avatar_max_width'], $this->config['avatar_max_height'], $row['avatar_width'], $row['avatar_height']); |
| 138 | return false; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | if ($this->config['avatar_min_width'] || $this->config['avatar_min_height']) |
| 143 | { |
| 144 | if ($row['avatar_width'] < $this->config['avatar_min_width'] || $row['avatar_height'] < $this->config['avatar_min_height']) |
| 145 | { |
| 146 | $error[] = array('AVATAR_WRONG_SIZE', $this->config['avatar_min_width'], $this->config['avatar_min_height'], $this->config['avatar_max_width'], $this->config['avatar_max_height'], $row['avatar_width'], $row['avatar_height']); |
| 147 | return false; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | return array( |
| 152 | 'avatar' => $row['avatar'], |
| 153 | 'avatar_width' => $row['avatar_width'], |
| 154 | 'avatar_height' => $row['avatar_height'], |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * {@inheritdoc} |
| 160 | */ |
| 161 | public function get_template_name() |
| 162 | { |
| 163 | return 'ucp_avatar_options_gravatar.html'; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Build gravatar URL for output on page |
| 168 | * |
| 169 | * @param array $row User data or group data that has been cleaned with |
| 170 | * \phpbb\avatar\manager::clean_row |
| 171 | * @return string Gravatar URL |
| 172 | */ |
| 173 | protected function get_gravatar_url($row) |
| 174 | { |
| 175 | global $phpbb_dispatcher; |
| 176 | |
| 177 | $url = self::GRAVATAR_URL; |
| 178 | $url .= md5(strtolower(trim($row['avatar']))); |
| 179 | |
| 180 | if ($row['avatar_width'] || $row['avatar_height']) |
| 181 | { |
| 182 | $url .= '?s=' . max($row['avatar_width'], $row['avatar_height']); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Modify gravatar url |
| 187 | * |
| 188 | * @event core.get_gravatar_url_after |
| 189 | * @var string row User data or group data |
| 190 | * @var string url Gravatar URL |
| 191 | * @since 3.1.7-RC1 |
| 192 | */ |
| 193 | $vars = array('row', 'url'); |
| 194 | extract($phpbb_dispatcher->trigger_event('core.get_gravatar_url_after', compact($vars))); |
| 195 | |
| 196 | return $url; |
| 197 | } |
| 198 | } |