| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('UPDRAFTCENTRAL_CLIENT_DIR')) die('No access.'); |
| 4 |
|
| 5 |
/** |
| 6 |
* Handles Media Commands |
| 7 |
*/ |
| 8 |
class UpdraftCentral_Media_Commands extends UpdraftCentral_Commands { |
| 9 |
|
| 10 |
private $switched = false; |
| 11 |
|
| 12 |
/** |
| 13 |
* Function that gets called before every action |
| 14 |
* |
| 15 |
* @param string $command a string that corresponds to UDC command to call a certain method for this class. |
| 16 |
* @param array $data an array of data post or get fields |
| 17 |
* @param array $extra_info extrainfo use in the udrpc_action, e.g. user_id |
| 18 |
* |
| 19 |
* link to udrpc_action main function in class UpdraftCentral_Listener |
| 20 |
*/ |
| 21 |
public function _pre_action($command, $data, $extra_info) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- This function is called from listener.php and $extra_info is being sent. |
| 22 |
// Here we assign the current blog_id to a variable $blog_id |
| 23 |
$blog_id = get_current_blog_id(); |
| 24 |
if (!empty($data['site_id'])) $blog_id = $data['site_id']; |
| 25 |
|
| 26 |
if (function_exists('switch_to_blog') && is_multisite() && $blog_id) { |
| 27 |
$this->switched = switch_to_blog($blog_id); |
| 28 |
} |
| 29 |
} |
| 30 |
|
| 31 |
/** |
| 32 |
* Function that gets called after every action |
| 33 |
* |
| 34 |
* @param string $command a string that corresponds to UDC command to call a certain method for this class. |
| 35 |
* @param array $data an array of data post or get fields |
| 36 |
* @param array $extra_info extrainfo use in the udrpc_action, e.g. user_id |
| 37 |
* |
| 38 |
* link to udrpc_action main function in class UpdraftCentral_Listener |
| 39 |
*/ |
| 40 |
public function _post_action($command, $data, $extra_info) {// phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable -- Unused parameter is present because the caller from UpdraftCentral_Listener class uses 3 arguments. |
| 41 |
// Here, we're restoring to the current (default) blog before we switched |
| 42 |
if ($this->switched) restore_current_blog(); |
| 43 |
} |
| 44 |
|
| 45 |
/** |
| 46 |
* Fetch and retrieves posts based from the submitted parameters |
| 47 |
* |
| 48 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 49 |
* @return array |
| 50 |
*/ |
| 51 |
public function get_media_items($params) { |
| 52 |
$error = $this->_validate_capabilities(array('upload_files', 'edit_posts')); |
| 53 |
if (!empty($error)) return $error; |
| 54 |
|
| 55 |
// check paged parameter; if empty set to defaults |
| 56 |
$paged = !empty($params['paged']) ? (int) $params['paged'] : 1; |
| 57 |
$numberposts = !empty($params['numberposts']) ? (int) $params['numberposts'] : 10; |
| 58 |
$offset = ($paged - 1) * $numberposts; |
| 59 |
|
| 60 |
$args = array( |
| 61 |
'posts_per_page' => $numberposts, |
| 62 |
'paged' => $paged, |
| 63 |
'offset' => $offset, |
| 64 |
'post_type' => 'attachment', |
| 65 |
'post_status' => 'inherit', |
| 66 |
); |
| 67 |
|
| 68 |
if (!empty($params['keyword'])) { |
| 69 |
$args['s'] = $params['keyword']; |
| 70 |
} |
| 71 |
|
| 72 |
if (!empty($params['category'])) { |
| 73 |
if (in_array($params['category'], array('detached', 'unattached'))) { |
| 74 |
$attachment_ids = $this->get_unattached_ids(); |
| 75 |
} else { |
| 76 |
$attachment_ids = $this->get_type_ids($params['category']); |
| 77 |
} |
| 78 |
|
| 79 |
$args['post__in'] = $attachment_ids; |
| 80 |
} |
| 81 |
|
| 82 |
if (!empty($params['date'])) { |
| 83 |
list($monthnum, $year) = explode(':', $params['date']); |
| 84 |
|
| 85 |
$args['monthnum'] = $monthnum; |
| 86 |
$args['year'] = $year; |
| 87 |
} |
| 88 |
|
| 89 |
$query = new WP_Query($args); |
| 90 |
$result = $query->posts; |
| 91 |
|
| 92 |
$count_posts = (int) $query->found_posts; |
| 93 |
$page_count = 0; |
| 94 |
|
| 95 |
if ($count_posts > 0) { |
| 96 |
$page_count = absint($count_posts / $numberposts); |
| 97 |
$remainder = absint($count_posts % $numberposts); |
| 98 |
$page_count = ($remainder > 0) ? ++$page_count : $page_count; |
| 99 |
} |
| 100 |
|
| 101 |
$info = array( |
| 102 |
'page' => $paged, |
| 103 |
'pages' => $page_count, |
| 104 |
'results' => $count_posts, |
| 105 |
'items_from' => (($paged * $numberposts) - $numberposts) + 1, |
| 106 |
'items_to' => ($paged == $page_count) ? $count_posts : $paged * $numberposts, |
| 107 |
); |
| 108 |
|
| 109 |
$media_items = array(); |
| 110 |
if (!empty($result)) { |
| 111 |
foreach ($result as $item) { |
| 112 |
$media = $this->get_media_item($item, null, true); |
| 113 |
if (!empty($media)) { |
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array_push($media_items, $media); |
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} |
| 116 |
} |
| 117 |
} |
| 118 |
|
| 119 |
$response = array( |
| 120 |
'items' => $media_items, |
| 121 |
'info' => $info, |
| 122 |
'options' => array( |
| 123 |
'date' => $this->get_date_options(), |
| 124 |
'type' => $this->get_type_options() |
| 125 |
) |
| 126 |
); |
| 127 |
|
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return $this->_response($response); |
| 129 |
} |
| 130 |
|
| 131 |
/** |
| 132 |
* Check whether we have an image editor (e.g. GD, Imagick, etc.) set in place to handle the basic editing |
| 133 |
* functions such as rotate, crop, etc. If not, then we hide that feature in UpdraftCentral |
| 134 |
* |
| 135 |
* @param object $media The media item/object to check |
| 136 |
* @return boolean |
| 137 |
*/ |
| 138 |
private function has_image_editor($media) { |
| 139 |
// Most of the time image library are enabled by default in the php.ini but there's a possbility that users don't |
| 140 |
// enable them as they have no need for them at the moment or for some other reasons. Thus, we need to confirm |
| 141 |
// that here through the wp_get_image_editor method. |
| 142 |
$has_image_editor = true; |
| 143 |
if (!empty($media)) { |
| 144 |
if (!function_exists('wp_get_image_editor')) { |
| 145 |
require_once(ABSPATH.'wp-includes/media.php'); |
| 146 |
} |
| 147 |
|
| 148 |
if (!function_exists('_load_image_to_edit_path')) { |
| 149 |
require_once(ABSPATH.'wp-admin/includes/image.php'); |
| 150 |
} |
| 151 |
|
| 152 |
$image_editor = wp_get_image_editor(_load_image_to_edit_path($media->ID)); |
| 153 |
if (is_wp_error($image_editor)) { |
| 154 |
$has_image_editor = false; |
| 155 |
} |
| 156 |
} |
| 157 |
|
| 158 |
return $has_image_editor; |
| 159 |
} |
| 160 |
|
| 161 |
/** |
| 162 |
* Fetch a single media item information |
| 163 |
* |
| 164 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 165 |
* @param array|null $extra_info Additional information from the current request |
| 166 |
* @param boolean $raw If set, returns the result of the fetch process unwrapped by the response array |
| 167 |
* @return array |
| 168 |
*/ |
| 169 |
public function get_media_item($params, $extra_info = null, $raw = false) { |
| 170 |
$error = $this->_validate_capabilities(array('upload_files', 'edit_posts')); |
| 171 |
if (!empty($error)) return $error; |
| 172 |
|
| 173 |
// Raw means that we need to return the result without wrapping it |
| 174 |
// with the "$this->_response" function which indicates that the call |
| 175 |
// was done locally (within the class) and not directly from UpdraftCentral. |
| 176 |
if ($raw && is_object($params) && isset($params->ID)) { |
| 177 |
$media = $params; |
| 178 |
} elseif (is_array($params) && !empty($params['id'])) { |
| 179 |
$media = get_post($params['id']); |
| 180 |
} |
| 181 |
|
| 182 |
if (!function_exists('get_post_mime_types')) { |
| 183 |
global $updraftcentral_main; |
| 184 |
|
| 185 |
// For a much later version of WP the "get_post_mime_types" is located |
| 186 |
// in a different folder. So, we make sure that we have it loaded before |
| 187 |
// actually using it. |
| 188 |
if (version_compare($updraftcentral_main->get_wordpress_version(), '3.5', '>=')) { |
| 189 |
require_once(ABSPATH.WPINC.'/post.php'); |
| 190 |
} else { |
| 191 |
// For WP 3.4, the "get_post_mime_types" is located in the location provided below. |
| 192 |
require_once(ABSPATH.'wp-admin/includes/post.php'); |
| 193 |
} |
| 194 |
} |
| 195 |
|
| 196 |
if (!function_exists('wp_image_editor')) { |
| 197 |
require_once(ABSPATH.'wp-admin/includes/image-edit.php'); |
| 198 |
} |
| 199 |
|
| 200 |
if (!function_exists('get_media_item')) { |
| 201 |
require_once(ABSPATH.'wp-admin/includes/template.php'); |
| 202 |
require_once(ABSPATH.'wp-admin/includes/media.php'); |
| 203 |
} |
| 204 |
|
| 205 |
|
| 206 |
if ($media) { |
| 207 |
$thumb = wp_get_attachment_image_src($media->ID, 'thumbnail', true); |
| 208 |
if (!empty($thumb)) $media->thumb_url = $thumb[0]; |
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|
| 210 |
$media->url = wp_get_attachment_url($media->ID); |
| 211 |
$media->parent_post_title = get_the_title($media->post_parent); |
| 212 |
$media->author = get_the_author_meta('display_name', $media->post_author); |
| 213 |
$media->filename = basename($media->url); |
| 214 |
$media->date = date('Y/m/d', strtotime($media->post_date)); |
| 215 |
$media->upload_date = mysql2date(get_option('date_format'), $media->post_date); |
| 216 |
|
| 217 |
$media->filesize = 0; |
| 218 |
$file = get_attached_file($media->ID); |
| 219 |
if (!empty($file) && file_exists($file)) { |
| 220 |
$media->filesize = size_format(filesize($file)); |
| 221 |
} |
| 222 |
|
| 223 |
$media->nonce = wp_create_nonce('image_editor-'.$media->ID); |
| 224 |
if (false !== strpos($media->post_mime_type, 'image/')) { |
| 225 |
$meta = wp_get_attachment_metadata($media->ID); |
| 226 |
|
| 227 |
$thumb = image_get_intermediate_size($media->ID, 'thumbnail'); |
| 228 |
$sub_sizes = isset($meta['sizes']) && is_array($meta['sizes']); |
| 229 |
|
| 230 |
// Pulling details |
| 231 |
$sizer = 1; |
| 232 |
if (isset($meta['width'], $meta['height'])) { |
| 233 |
$big = max($meta['width'], $meta['height']); |
| 234 |
$sizer = $big > 400 ? 400 / $big : 1; |
| 235 |
} |
| 236 |
|
| 237 |
$constrained_dims = array(); |
| 238 |
if ($thumb && $sub_sizes) { |
| 239 |
$constrained_dims = wp_constrain_dimensions($thumb['width'], $thumb['height'], 160, 120); |
| 240 |
} |
| 241 |
|
| 242 |
$rotate_supported = false; |
| 243 |
if (function_exists('imagerotate') || wp_image_editor_supports(array('mime_type' => get_post_mime_type($media->ID), 'methods' => array('rotate')))) { |
| 244 |
$rotate_supported = true; |
| 245 |
} |
| 246 |
|
| 247 |
// Check for alternative text if present |
| 248 |
$alt = get_post_meta($media->ID, '_wp_attachment_image_alt', true); |
| 249 |
$media->alt = !empty($alt) ? $alt : ''; |
| 250 |
|
| 251 |
// Check whether edited images are restorable |
| 252 |
$backup_sizes = get_post_meta($media->ID, '_wp_attachment_backup_sizes', true); |
| 253 |
$can_restore = !empty($backup_sizes) && isset($backup_sizes['full-orig']) && basename($meta['file']) != $backup_sizes['full-orig']['file']; |
| 254 |
|
| 255 |
$image_edit_overwrite = (!defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE) ? 0 : 1; |
| 256 |
$media->misc = array( |
| 257 |
'sizer' => $sizer, |
| 258 |
'rand' => rand(1, 99999), |
| 259 |
'constrained_dims' => $constrained_dims, |
| 260 |
'rotate_supported' => (int) $rotate_supported, |
| 261 |
'thumb' => $thumb, |
| 262 |
'meta' => $meta, |
| 263 |
'alt_text' => $alt, |
| 264 |
'can_restore' => $can_restore, |
| 265 |
'image_edit_overwrite' => $image_edit_overwrite |
| 266 |
); |
| 267 |
|
| 268 |
$media->has_image_editor = $this->has_image_editor($media); |
| 269 |
} |
| 270 |
} |
| 271 |
|
| 272 |
return $raw ? $media : $this->_response(array('item' => $media)); |
| 273 |
} |
| 274 |
|
| 275 |
/** |
| 276 |
* Fetch and retrieves posts based from the submitted parameters |
| 277 |
* |
| 278 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 279 |
* @return array |
| 280 |
*/ |
| 281 |
public function get_posts($params) { |
| 282 |
$error = $this->_validate_capabilities(array('edit_posts')); |
| 283 |
if (!empty($error)) return $error; |
| 284 |
|
| 285 |
// check paged parameter; if empty set to defaults |
| 286 |
$paged = !empty($params['paged']) ? (int) $params['paged'] : 1; |
| 287 |
$numberposts = !empty($params['numberposts']) ? (int) $params['numberposts'] : 10; |
| 288 |
$offset = ($paged - 1) * $numberposts; |
| 289 |
|
| 290 |
$args = array( |
| 291 |
'posts_per_page' => $numberposts, |
| 292 |
'paged' => $paged, |
| 293 |
'offset' => $offset, |
| 294 |
'post_type' => 'post', |
| 295 |
'post_status' => 'publish,private,draft,pending,future', |
| 296 |
); |
| 297 |
|
| 298 |
if (!empty($params['keyword'])) { |
| 299 |
$args['s'] = $params['keyword']; |
| 300 |
} |
| 301 |
|
| 302 |
$query = new WP_Query($args); |
| 303 |
$result = $query->posts; |
| 304 |
|
| 305 |
$count_posts = (int) $query->found_posts; |
| 306 |
$page_count = 0; |
| 307 |
|
| 308 |
if ($count_posts > 0) { |
| 309 |
$page_count = absint($count_posts / $numberposts); |
| 310 |
$remainder = absint($count_posts % $numberposts); |
| 311 |
$page_count = ($remainder > 0) ? ++$page_count : $page_count; |
| 312 |
} |
| 313 |
|
| 314 |
$info = array( |
| 315 |
'page' => $paged, |
| 316 |
'pages' => $page_count, |
| 317 |
'results' => $count_posts, |
| 318 |
'items_from' => (($paged * $numberposts) - $numberposts) + 1, |
| 319 |
'items_to' => ($paged == $page_count) ? $count_posts : $paged * $numberposts, |
| 320 |
); |
| 321 |
|
| 322 |
$posts = array(); |
| 323 |
if (!empty($result)) { |
| 324 |
foreach ($result as $post) { |
| 325 |
array_push($posts, array('ID' => $post->ID, 'title' => $post->post_title)); |
| 326 |
} |
| 327 |
} |
| 328 |
|
| 329 |
$response = array( |
| 330 |
'posts' => $posts, |
| 331 |
'info' => $info |
| 332 |
); |
| 333 |
return $this->_response($response); |
| 334 |
} |
| 335 |
|
| 336 |
/** |
| 337 |
* Saves media changes from UpdraftCentral |
| 338 |
* |
| 339 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 340 |
* @return array |
| 341 |
*/ |
| 342 |
public function save_media_item($params) { |
| 343 |
$error = $this->_validate_capabilities(array('upload_files', 'edit_posts')); |
| 344 |
if (!empty($error)) return $error; |
| 345 |
|
| 346 |
$args = array( |
| 347 |
'post_title' => $params['image_title'], |
| 348 |
'post_excerpt' => $params['image_caption'], |
| 349 |
'post_content' => $params['image_description'] |
| 350 |
); |
| 351 |
|
| 352 |
if (!empty($params['new'])) { |
| 353 |
$args['post_type'] = 'attachment'; |
| 354 |
$media_id = wp_insert_post($args, true); |
| 355 |
} else { |
| 356 |
$args['ID'] = $params['id']; |
| 357 |
$args['post_modified'] = date('Y-m-d H:i:s'); |
| 358 |
$args['post_modified_gmt'] = gmdate('Y-m-d H:i:s'); |
| 359 |
|
| 360 |
$media_id = wp_update_post($args, true); |
| 361 |
} |
| 362 |
|
| 363 |
if (!empty($media_id)) { |
| 364 |
// Update alternative text if not empty |
| 365 |
if (!empty($params['image_alternative_text'])) { |
| 366 |
update_post_meta($media_id, '_wp_attachment_image_alt', $params['image_alternative_text']); |
| 367 |
} |
| 368 |
|
| 369 |
$result = array( |
| 370 |
'status' => 'success', |
| 371 |
'item' => $this->get_media_item(array('id' => $media_id), null, true) |
| 372 |
); |
| 373 |
} else { |
| 374 |
$result = array('status' => 'failed'); |
| 375 |
} |
| 376 |
|
| 377 |
return $this->_response($result); |
| 378 |
} |
| 379 |
|
| 380 |
/** |
| 381 |
* Executes media action (e.g. attach, detach and delete) |
| 382 |
* |
| 383 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 384 |
* @return array |
| 385 |
*/ |
| 386 |
public function execute_media_action($params) { |
| 387 |
global $updraftcentral_host_plugin; |
| 388 |
|
| 389 |
$error = $this->_validate_capabilities(array('upload_files', 'edit_posts')); |
| 390 |
if (!empty($error)) return $error; |
| 391 |
|
| 392 |
$result = array(); |
| 393 |
switch ($params['do']) { |
| 394 |
case 'attach': |
| 395 |
global $wpdb; |
| 396 |
$query_result = $wpdb->query($wpdb->prepare("UPDATE {$wpdb->posts} SET `post_parent` = %d WHERE `post_type` = 'attachment' AND ID = %d", $params['parent_id'], $params['id'])); |
| 397 |
|
| 398 |
if (false === $query_result) { |
| 399 |
$result['error'] = $updraftcentral_host_plugin->retrieve_show_message('failed_to_attach_media'); |
| 400 |
} else { |
| 401 |
$result['msg'] = $updraftcentral_host_plugin->retrieve_show_message('media_attached'); |
| 402 |
} |
| 403 |
break; |
| 404 |
case 'detach': |
| 405 |
global $wpdb; |
| 406 |
$query_result = $wpdb->query($wpdb->prepare("UPDATE {$wpdb->posts} SET `post_parent` = 0 WHERE `post_type` = 'attachment' AND ID = %d", $params['id'])); |
| 407 |
|
| 408 |
if (false === $query_result) { |
| 409 |
$result['error'] = $updraftcentral_host_plugin->retrieve_show_message('failed_to_detach_media'); |
| 410 |
} else { |
| 411 |
$result['msg'] = $updraftcentral_host_plugin->retrieve_show_message('media_detached'); |
| 412 |
} |
| 413 |
break; |
| 414 |
case 'delete': |
| 415 |
$failed_items = array(); |
| 416 |
foreach ($params['ids'] as $id) { |
| 417 |
// Delete permanently |
| 418 |
if (false === wp_delete_attachment($id, true)) { |
| 419 |
$failed_items[] = $id; |
| 420 |
} |
| 421 |
} |
| 422 |
|
| 423 |
if (!empty($failed_items)) { |
| 424 |
$result['error'] = $updraftcentral_host_plugin->retrieve_show_message('failed_to_delete_media'); |
| 425 |
$result['items'] = $failed_items; |
| 426 |
} else { |
| 427 |
$result['msg'] = $updraftcentral_host_plugin->retrieve_show_message('selected_media_deleted'); |
| 428 |
} |
| 429 |
break; |
| 430 |
default: |
| 431 |
break; |
| 432 |
} |
| 433 |
|
| 434 |
return $this->_response($result); |
| 435 |
} |
| 436 |
|
| 437 |
/** |
| 438 |
* Retrieves a collection of formatted dates found for the given post statuses. |
| 439 |
* It will be used as options for the date filter when managing the media items in UpdraftCentral. |
| 440 |
* |
| 441 |
* @return array |
| 442 |
*/ |
| 443 |
private function get_date_options() { |
| 444 |
global $wpdb; |
| 445 |
$options = array(); |
| 446 |
|
| 447 |
$date_options = $wpdb->get_col("SELECT DATE_FORMAT(`post_date`, '%M %Y') as `formatted_post_date` FROM {$wpdb->posts} WHERE `post_type` = 'attachment' AND `post_status` = 'inherit' GROUP BY `formatted_post_date` ORDER BY `post_date` DESC"); |
| 448 |
|
| 449 |
if (!empty($date_options)) { |
| 450 |
foreach ($date_options as $monthyear) { |
| 451 |
$timestr = strtotime($monthyear); |
| 452 |
$options[] = array('label' => date('F Y', $timestr), 'value' => date('n:Y', $timestr)); |
| 453 |
} |
| 454 |
} |
| 455 |
|
| 456 |
return $options; |
| 457 |
} |
| 458 |
|
| 459 |
/** |
| 460 |
* Retrieves mime types that will be use as filter option in UpdraftCentral |
| 461 |
* |
| 462 |
* @return array |
| 463 |
*/ |
| 464 |
private function get_type_options() { |
| 465 |
global $wpdb, $updraftcentral_host_plugin, $updraftcentral_main; |
| 466 |
|
| 467 |
$options = array(); |
| 468 |
if (!function_exists('get_post_mime_types')) { |
| 469 |
// For a much later version of WP the "get_post_mime_types" is located |
| 470 |
// in a different folder. So, we make sure that we have it loaded before |
| 471 |
// actually using it. |
| 472 |
if (version_compare($updraftcentral_main->get_wordpress_version(), '3.5', '>=')) { |
| 473 |
require_once(ABSPATH.WPINC.'/post.php'); |
| 474 |
} else { |
| 475 |
// For WP 3.4, the "get_post_mime_types" is located in the location provided below. |
| 476 |
require_once(ABSPATH.'wp-admin/includes/post.php'); |
| 477 |
} |
| 478 |
} |
| 479 |
|
| 480 |
$post_mime_types = get_post_mime_types(); |
| 481 |
$type_options = $wpdb->get_col("SELECT `post_mime_type` FROM {$wpdb->posts} WHERE `post_type` = 'attachment' AND `post_status` = 'inherit' GROUP BY `post_mime_type` ORDER BY `post_mime_type` DESC"); |
| 482 |
|
| 483 |
foreach ($post_mime_types as $mime_type => $label) { |
| 484 |
if (!wp_match_mime_types($mime_type, $type_options)) continue; |
| 485 |
$options[] = array('label' => $label[0], 'value' => esc_attr($mime_type)); |
| 486 |
} |
| 487 |
|
| 488 |
$options[] = array('label' => $updraftcentral_host_plugin->retrieve_show_message('unattached'), 'value' => 'detached'); |
| 489 |
return $options; |
| 490 |
} |
| 491 |
|
| 492 |
/** |
| 493 |
* Retrieves media items that haven't been attached to any posts |
| 494 |
* |
| 495 |
* @return array |
| 496 |
*/ |
| 497 |
private function get_unattached_ids() { |
| 498 |
global $wpdb; |
| 499 |
return $wpdb->get_col("SELECT `ID` FROM {$wpdb->posts} WHERE `post_type` = 'attachment' AND `post_status` = 'inherit' AND `post_parent` = '0'"); |
| 500 |
} |
| 501 |
|
| 502 |
/** |
| 503 |
* Retrieves IDs of media items that has the given mime type |
| 504 |
* |
| 505 |
* @param string $type The mime type to search for |
| 506 |
* @return array |
| 507 |
*/ |
| 508 |
private function get_type_ids($type) { |
| 509 |
global $wpdb; |
| 510 |
return $wpdb->get_col($wpdb->prepare("SELECT `ID` FROM {$wpdb->posts} WHERE `post_type` = 'attachment' AND `post_status` = 'inherit' AND `post_mime_type` LIKE %s", $type.'/%')); |
| 511 |
} |
| 512 |
|
| 513 |
/** |
| 514 |
* Checks whether we have the required fields submitted and the user has |
| 515 |
* the capabilities to execute the requested action |
| 516 |
* |
| 517 |
* @param array $capabilities The capabilities to check and validate |
| 518 |
* |
| 519 |
* @return array|void |
| 520 |
*/ |
| 521 |
private function _validate_capabilities($capabilities) { |
| 522 |
foreach ($capabilities as $capability) { |
| 523 |
if (!current_user_can($capability)) { |
| 524 |
return $this->_generic_error_response('insufficient_permission'); |
| 525 |
} |
| 526 |
} |
| 527 |
} |
| 528 |
|
| 529 |
/** |
| 530 |
* Populates the $_REQUEST global variable with the submitted data |
| 531 |
* |
| 532 |
* @param array $params Submitted data received from UpdraftCentral |
| 533 |
* @return array |
| 534 |
*/ |
| 535 |
private function populate_request($params) { |
| 536 |
if (!empty($params)) { |
| 537 |
foreach ($params as $key => $value) { |
| 538 |
$_REQUEST[$key] = $value; |
| 539 |
} |
| 540 |
} |
| 541 |
} |
| 542 |
|
| 543 |
/** |
| 544 |
* Handles image editing requests coming from UpdraftCentral |
| 545 |
* |
| 546 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 547 |
* @return array |
| 548 |
*/ |
| 549 |
public function image_editor($params) { |
| 550 |
$error = $this->_validate_capabilities(array('edit_posts')); |
| 551 |
if (!empty($error)) return $error; |
| 552 |
|
| 553 |
$attachment_id = (int) $params['postid']; |
| 554 |
$this->populate_request($params); |
| 555 |
|
| 556 |
if (!function_exists('load_image_to_edit')) { |
| 557 |
require_once(ABSPATH.'wp-admin/includes/image.php'); |
| 558 |
} |
| 559 |
|
| 560 |
include_once(ABSPATH.'wp-admin/includes/image-edit.php'); |
| 561 |
$msg = false; |
| 562 |
switch ($params['do']) { |
| 563 |
case 'save': |
| 564 |
case 'scale': |
| 565 |
$msg = wp_save_image($attachment_id); |
| 566 |
break; |
| 567 |
case 'restore': |
| 568 |
$msg = wp_restore_image($attachment_id); |
| 569 |
break; |
| 570 |
} |
| 571 |
|
| 572 |
$msg = (false !== $msg) ? json_encode($msg) : $msg; |
| 573 |
return $this->_response(array('content' => $msg)); |
| 574 |
} |
| 575 |
|
| 576 |
/** |
| 577 |
* Handles image preview requests coming from UpdraftCentral |
| 578 |
* |
| 579 |
* @param array $params Containing all the needed information to filter the results of the current request |
| 580 |
* @return array |
| 581 |
*/ |
| 582 |
public function image_preview($params) { |
| 583 |
$error = $this->_validate_capabilities(array('edit_posts')); |
| 584 |
if (!empty($error)) return $error; |
| 585 |
|
| 586 |
if (!function_exists('load_image_to_edit')) { |
| 587 |
require_once(ABSPATH.'wp-admin/includes/image.php'); |
| 588 |
} |
| 589 |
|
| 590 |
include_once(ABSPATH.'wp-admin/includes/image-edit.php'); |
| 591 |
$this->populate_request($params); |
| 592 |
$post_id = (int) $params['postid']; |
| 593 |
|
| 594 |
ob_start(); |
| 595 |
stream_preview_image($post_id); |
| 596 |
$content = ob_get_contents(); |
| 597 |
ob_end_clean(); |
| 598 |
|
| 599 |
return $this->_response(array('content' => base64_encode($content))); |
| 600 |
} |
| 601 |
} |
| 602 |
|
