Feature
8 years ago
View
8 years ago
Widget
8 years ago
phtml
8 years ago
Authorization.php
8 years ago
Feature.php
8 years ago
Filter.php
8 years ago
Manager.php
8 years ago
Subject.php
8 years ago
View.php
8 years ago
Filter.php
410 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * ====================================================================== |
| 5 | * LICENSE: This file is subject to the terms and conditions defined in * |
| 6 | * file 'license.txt', which is part of this source code package. * |
| 7 | * ====================================================================== |
| 8 | */ |
| 9 | |
| 10 | /** |
| 11 | * Backend manager |
| 12 | * |
| 13 | * @package AAM |
| 14 | * @author Vasyl Martyniuk <vasyl@vasyltech.com> |
| 15 | */ |
| 16 | class AAM_Backend_Filter { |
| 17 | |
| 18 | /** |
| 19 | * Instance of itself |
| 20 | * |
| 21 | * @var AAM_Backend_Filter |
| 22 | * |
| 23 | * @access private |
| 24 | */ |
| 25 | private static $_instance = null; |
| 26 | |
| 27 | /** |
| 28 | * Initialize backend filters |
| 29 | * |
| 30 | * @return void |
| 31 | * |
| 32 | * @access protected |
| 33 | */ |
| 34 | protected function __construct() { |
| 35 | //menu filter |
| 36 | add_filter('parent_file', array($this, 'filterMenu'), 999, 1); |
| 37 | |
| 38 | //manager WordPress metaboxes |
| 39 | add_action("in_admin_header", array($this, 'metaboxes'), 999); |
| 40 | add_action("widgets_admin_page", array($this, 'metaboxes'), 999); |
| 41 | |
| 42 | //control admin area |
| 43 | add_action('admin_notices', array($this, 'adminNotices'), -1); |
| 44 | add_action('network_admin_notices', array($this, 'adminNotices'), -1); |
| 45 | add_action('user_admin_notices', array($this, 'adminNotices'), -1); |
| 46 | |
| 47 | //admin bar |
| 48 | add_action('wp_before_admin_bar_render', array($this, 'filterAdminBar'), 999); |
| 49 | |
| 50 | //post restrictions |
| 51 | add_filter('page_row_actions', array($this, 'postRowActions'), 10, 2); |
| 52 | add_filter('post_row_actions', array($this, 'postRowActions'), 10, 2); |
| 53 | |
| 54 | //default category filder |
| 55 | // TODO - THIS HAS TO GO TO THE PLUS PACKAGE EXTENSION |
| 56 | add_filter('pre_option_default_category', array($this, 'filterDefaultCategory')); |
| 57 | |
| 58 | add_action('pre_post_update', array($this, 'prePostUpdate'), 10, 2); |
| 59 | |
| 60 | //user/role filters |
| 61 | if (!is_multisite() || !is_super_admin()) { |
| 62 | add_filter('editable_roles', array($this, 'filterRoles')); |
| 63 | add_action('pre_get_users', array($this, 'filterUserQuery'), 999); |
| 64 | add_filter('views_users', array($this, 'filterViews')); |
| 65 | } |
| 66 | |
| 67 | // Check if user has ability to perform certain task based on provided |
| 68 | // capability and meta data |
| 69 | add_filter( |
| 70 | 'user_has_cap', |
| 71 | array(AAM_Shared_Manager::getInstance(), 'userHasCap'), |
| 72 | 999, |
| 73 | 3 |
| 74 | ); |
| 75 | |
| 76 | AAM_Backend_Authorization::bootstrap(); //bootstrap backend authorization |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Filter the Admin Menu |
| 81 | * |
| 82 | * @param string $parent_file |
| 83 | * |
| 84 | * @return string |
| 85 | * |
| 86 | * @access public |
| 87 | */ |
| 88 | public function filterMenu($parent_file) { |
| 89 | //filter admin menu |
| 90 | AAM::getUser()->getObject('menu')->filter(); |
| 91 | |
| 92 | return $parent_file; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * Handle metabox initialization process |
| 97 | * |
| 98 | * @return void |
| 99 | * |
| 100 | * @access public |
| 101 | */ |
| 102 | public function metaboxes() { |
| 103 | global $post; |
| 104 | |
| 105 | //make sure that nobody is playing with screen options |
| 106 | if (is_a($post, 'WP_Post')) { |
| 107 | $screen = $post->post_type; |
| 108 | } elseif ($screen_object = get_current_screen()) { |
| 109 | $screen = $screen_object->id; |
| 110 | } else { |
| 111 | $screen = ''; |
| 112 | } |
| 113 | |
| 114 | if (AAM_Core_Request::get('init') != 'metabox') { |
| 115 | if ($screen != 'widgets') { |
| 116 | AAM::getUser()->getObject('metabox')->filterBackend($screen); |
| 117 | } else { |
| 118 | AAM::getUser()->getObject('metabox')->filterAppearanceWidgets(); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Manage notifications visibility |
| 125 | * |
| 126 | * @return void |
| 127 | * |
| 128 | * @access public |
| 129 | */ |
| 130 | public function adminNotices() { |
| 131 | if (AAM_Core_API::capabilityExists('show_admin_notices')) { |
| 132 | if (!AAM::getUser()->hasCapability('show_admin_notices')) { |
| 133 | remove_all_actions('admin_notices'); |
| 134 | remove_all_actions('network_admin_notices'); |
| 135 | remove_all_actions('user_admin_notices'); |
| 136 | } |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Filter top admin bar |
| 142 | * |
| 143 | * The filter will be performed based on the Backend Menu access settings |
| 144 | * |
| 145 | * @return void |
| 146 | * |
| 147 | * @access public |
| 148 | * @global WP_Admin_Bar $wp_admin_bar |
| 149 | */ |
| 150 | public function filterAdminBar() { |
| 151 | global $wp_admin_bar; |
| 152 | |
| 153 | $menu = AAM::getUser()->getObject('menu'); |
| 154 | foreach($wp_admin_bar->get_nodes() as $id => $node) { |
| 155 | if (!empty($node->href)) { |
| 156 | $suffix = str_replace(admin_url(), '', $node->href); |
| 157 | if ($menu->has($suffix, true)) { |
| 158 | if (empty($node->parent) && $this->hasChildren($id)) { //root level |
| 159 | $node->href = '#'; |
| 160 | $wp_admin_bar->add_node($node); |
| 161 | } else { |
| 162 | $wp_admin_bar->remove_menu($id); |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * Check if specified top bar item has children |
| 171 | * |
| 172 | * @param string $id |
| 173 | * |
| 174 | * @return boolean |
| 175 | * |
| 176 | * @access protected |
| 177 | * @global WP_Admin_Bar $wp_admin_bar |
| 178 | */ |
| 179 | protected function hasChildren($id) { |
| 180 | global $wp_admin_bar; |
| 181 | |
| 182 | $has = false; |
| 183 | |
| 184 | foreach($wp_admin_bar->get_nodes() as $node) { |
| 185 | if ($node->parent == $id) { |
| 186 | $has = true; |
| 187 | break; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | return $has; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Post Quick Menu Actions Filtering |
| 196 | * |
| 197 | * @param array $actions |
| 198 | * @param WP_Post $post |
| 199 | * |
| 200 | * @return array |
| 201 | * |
| 202 | * @access public |
| 203 | */ |
| 204 | public function postRowActions($actions, $post) { |
| 205 | $object = AAM::getUser()->getObject('post', $post->ID, $post); |
| 206 | |
| 207 | //filter edit menu |
| 208 | if (!$this->isAllowed('backend.edit', $object)) { |
| 209 | if (isset($actions['edit'])) { |
| 210 | unset($actions['edit']); |
| 211 | } |
| 212 | if (isset($actions['inline hide-if-no-js'])) { |
| 213 | unset($actions['inline hide-if-no-js']); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | //filter delete menu |
| 218 | if (!$this->isAllowed('backend.delete', $object)) { |
| 219 | if (isset($actions['trash'])) { unset($actions['trash']); } |
| 220 | if (isset($actions['delete'])) { unset($actions['delete']); } |
| 221 | } |
| 222 | |
| 223 | //filter edit menu |
| 224 | if (!$this->isAllowed('backend.publish', $object)) { |
| 225 | if (isset($actions['inline hide-if-no-js'])) { |
| 226 | unset($actions['inline hide-if-no-js']); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | return $actions; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Check if action is allowed |
| 235 | * |
| 236 | * This method will take in consideration also *_others action |
| 237 | * |
| 238 | * @param string $action |
| 239 | * @param AAM_Core_Object_Post $object |
| 240 | * |
| 241 | * @return boolean |
| 242 | * |
| 243 | * @access protected |
| 244 | */ |
| 245 | protected function isAllowed($action, $object) { |
| 246 | $edit = $object->has($action); |
| 247 | $others = $object->has("{$action}_others"); |
| 248 | $author = ($object->post_author == get_current_user_id()); |
| 249 | |
| 250 | return ($edit || ($others && !$author)) ? false : true; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Override default category if defined |
| 255 | * |
| 256 | * @param type $category |
| 257 | * |
| 258 | * @return int |
| 259 | * |
| 260 | * @access public |
| 261 | * @staticvar type $default |
| 262 | */ |
| 263 | public function filterDefaultCategory($category) { |
| 264 | static $default = null; |
| 265 | |
| 266 | if (is_null($default)) { |
| 267 | //check if user category is defined |
| 268 | $id = get_current_user_id(); |
| 269 | $default = AAM_Core_Config::get('feature.post.defaultTerm.user.' . $id , null); |
| 270 | $roles = AAM::getUser()->roles; |
| 271 | |
| 272 | if (is_null($default) && count($roles)) { |
| 273 | $default = AAM_Core_Config::get( |
| 274 | 'feature.post.defaultTerm.role.' . array_shift($roles), false |
| 275 | ); |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | return ($default ? $default : $category); |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * Post update hook |
| 284 | * |
| 285 | * Clear cache if post owner changed |
| 286 | * |
| 287 | * @param int $id |
| 288 | * @param array $data |
| 289 | * |
| 290 | * @return void |
| 291 | * |
| 292 | * @access public |
| 293 | */ |
| 294 | public function prePostUpdate($id, $data) { |
| 295 | $post = get_post($id); |
| 296 | |
| 297 | if ($post->post_author != $data['post_author']) { |
| 298 | AAM_Core_API::clearCache(); |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Filter roles |
| 304 | * |
| 305 | * @param array $roles |
| 306 | * |
| 307 | * @return array |
| 308 | */ |
| 309 | public function filterRoles($roles) { |
| 310 | $userLevel = AAM_Core_API::maxLevel(AAM::getUser()->allcaps); |
| 311 | |
| 312 | //filter roles |
| 313 | foreach($roles as $id => $role) { |
| 314 | if (!empty($role['capabilities']) && is_array($role['capabilities'])) { |
| 315 | $roleLevel = AAM_Core_API::maxLevel($role['capabilities']); |
| 316 | if ($userLevel < $roleLevel) { |
| 317 | unset($roles[$id]); |
| 318 | } elseif ($userLevel == $roleLevel && $this->filterSameLevel()) { |
| 319 | unset($roles[$id]); |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | return $roles; |
| 325 | } |
| 326 | |
| 327 | /** |
| 328 | * |
| 329 | * @return type |
| 330 | */ |
| 331 | protected function filterSameLevel() { |
| 332 | $response = false; |
| 333 | |
| 334 | if (AAM_Core_API::capabilityExists('manage_same_user_level')) { |
| 335 | $response = !AAM::getUser()->hasCapability('manage_same_user_level'); |
| 336 | } |
| 337 | |
| 338 | return $response; |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Filter user query |
| 343 | * |
| 344 | * Exclude all users that have higher user level |
| 345 | * |
| 346 | * @param object $query |
| 347 | * |
| 348 | * @access public |
| 349 | * |
| 350 | * @return void |
| 351 | */ |
| 352 | public function filterUserQuery($query) { |
| 353 | //current user max level |
| 354 | $max = AAM_Core_API::maxLevel(AAM::getUser()->allcaps); |
| 355 | $exclude = array(); |
| 356 | $roles = AAM_Core_API::getRoles(); |
| 357 | |
| 358 | foreach($roles->role_objects as $id => $role) { |
| 359 | $roleMax = AAM_Core_API::maxLevel($role->capabilities); |
| 360 | if ($roleMax > $max ) { |
| 361 | $exclude[] = $id; |
| 362 | } elseif ($roleMax == $max && $this->filterSameLevel()) { |
| 363 | $exclude[] = $id; |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | $query->query_vars['role__not_in'] = $exclude; |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Filter user list view options |
| 372 | * |
| 373 | * @param array $views |
| 374 | * |
| 375 | * @return array |
| 376 | * |
| 377 | * @access public |
| 378 | */ |
| 379 | public function filterViews($views) { |
| 380 | $max = AAM_Core_API::maxLevel(AAM::getUser()->allcaps); |
| 381 | $roles = AAM_Core_API::getRoles(); |
| 382 | |
| 383 | foreach($roles->role_objects as $id => $role) { |
| 384 | $roleMax = AAM_Core_API::maxLevel($role->capabilities); |
| 385 | if (isset($views[$id])) { |
| 386 | if ($roleMax > $max) { |
| 387 | unset($views[$id]); |
| 388 | } elseif ($roleMax == $max && $this->filterSameLevel()) { |
| 389 | unset($views[$id]); |
| 390 | } |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | return $views; |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * Register backend filters and actions |
| 399 | * |
| 400 | * @return void |
| 401 | * |
| 402 | * @access public |
| 403 | */ |
| 404 | public static function register() { |
| 405 | if (is_null(self::$_instance)) { |
| 406 | self::$_instance = new self; |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | } |