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PHP Cross Reference of Wordpress 2.9.1 |
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1 <?php 2 /** 3 * Atom Publishing Protocol support for WordPress 4 * 5 * @author Original by Elias Torres <http://torrez.us/archives/2006/08/31/491/> 6 * @author Modified by Dougal Campbell <http://dougal.gunters.org/> 7 * @version 1.0.5-dc 8 */ 9 10 /** 11 * WordPress is handling an Atom Publishing Protocol request. 12 * 13 * @var bool 14 */ 15 define('APP_REQUEST', true); 16 17 /** Set up WordPress environment */ 18 require_once ('./wp-load.php'); 19 20 /** Atom Publishing Protocol Class */ 21 require_once(ABSPATH . WPINC . '/atomlib.php'); 22 23 /** Admin Image API for metadata updating */ 24 require_once (ABSPATH . '/wp-admin/includes/image.php'); 25 26 $_SERVER['PATH_INFO'] = preg_replace( '/.*\/wp-app\.php/', '', $_SERVER['REQUEST_URI'] ); 27 28 /** 29 * Whether to enable Atom Publishing Protocol Logging. 30 * 31 * @name app_logging 32 * @var int|bool 33 */ 34 $app_logging = 0; 35 36 /** 37 * Whether to always authenticate user. Permanently set to true. 38 * 39 * @name always_authenticate 40 * @var int|bool 41 * @todo Should be an option somewhere 42 */ 43 $always_authenticate = 1; 44 45 /** 46 * Writes logging info to a file. 47 * 48 * @since 2.2.0 49 * @uses $app_logging 50 * @package WordPress 51 * @subpackage Logging 52 * 53 * @param string $label Type of logging 54 * @param string $msg Information describing logging reason. 55 */ 56 function log_app($label,$msg) { 57 global $app_logging; 58 if ($app_logging) { 59 $fp = fopen( 'wp-app.log', 'a+'); 60 $date = gmdate( 'Y-m-d H:i:s' ); 61 fwrite($fp, "\n\n$date - $label\n$msg\n"); 62 fclose($fp); 63 } 64 } 65 66 /** 67 * Filter to add more post statuses. 68 * 69 * @since 2.2.0 70 * 71 * @param string $where SQL statement to filter. 72 * @return string Filtered SQL statement with added post_status for where clause. 73 */ 74 function wa_posts_where_include_drafts_filter($where) { 75 $where = str_replace("post_status = 'publish'","post_status = 'publish' OR post_status = 'future' OR post_status = 'draft' OR post_status = 'inherit'", $where); 76 return $where; 77 78 } 79 add_filter('posts_where', 'wa_posts_where_include_drafts_filter'); 80 81 /** 82 * WordPress AtomPub API implementation. 83 * 84 * @package WordPress 85 * @subpackage Publishing 86 * @since 2.2.0 87 */ 88 class AtomServer { 89 90 /** 91 * ATOM content type. 92 * 93 * @since 2.2.0 94 * @var string 95 */ 96 var $ATOM_CONTENT_TYPE = 'application/atom+xml'; 97 98 /** 99 * Categories ATOM content type. 100 * 101 * @since 2.2.0 102 * @var string 103 */ 104 var $CATEGORIES_CONTENT_TYPE = 'application/atomcat+xml'; 105 106 /** 107 * Service ATOM content type. 108 * 109 * @since 2.3.0 110 * @var string 111 */ 112 var $SERVICE_CONTENT_TYPE = 'application/atomsvc+xml'; 113 114 /** 115 * ATOM XML namespace. 116 * 117 * @since 2.3.0 118 * @var string 119 */ 120 var $ATOM_NS = 'http://www.w3.org/2005/Atom'; 121 122 /** 123 * ATOMPUB XML namespace. 124 * 125 * @since 2.3.0 126 * @var string 127 */ 128 var $ATOMPUB_NS = 'http://www.w3.org/2007/app'; 129 130 /** 131 * Entries path. 132 * 133 * @since 2.2.0 134 * @var string 135 */ 136 var $ENTRIES_PATH = "posts"; 137 138 /** 139 * Categories path. 140 * 141 * @since 2.2.0 142 * @var string 143 */ 144 var $CATEGORIES_PATH = "categories"; 145 146 /** 147 * Media path. 148 * 149 * @since 2.2.0 150 * @var string 151 */ 152 var $MEDIA_PATH = "attachments"; 153 154 /** 155 * Entry path. 156 * 157 * @since 2.2.0 158 * @var string 159 */ 160 var $ENTRY_PATH = "post"; 161 162 /** 163 * Service path. 164 * 165 * @since 2.2.0 166 * @var string 167 */ 168 var $SERVICE_PATH = "service"; 169 170 /** 171 * Media single path. 172 * 173 * @since 2.2.0 174 * @var string 175 */ 176 var $MEDIA_SINGLE_PATH = "attachment"; 177 178 /** 179 * ATOMPUB parameters. 180 * 181 * @since 2.2.0 182 * @var array 183 */ 184 var $params = array(); 185 186 /** 187 * Supported ATOMPUB media types. 188 * 189 * @since 2.3.0 190 * @var array 191 */ 192 var $media_content_types = array('image/*','audio/*','video/*'); 193 194 /** 195 * ATOMPUB content type(s). 196 * 197 * @since 2.2.0 198 * @var array 199 */ 200 var $atom_content_types = array('application/atom+xml'); 201 202 /** 203 * ATOMPUB methods. 204 * 205 * @since 2.2.0 206 * @var unknown_type 207 */ 208 var $selectors = array(); 209 210 /** 211 * Whether to do output. 212 * 213 * Support for head. 214 * 215 * @since 2.2.0 216 * @var bool 217 */ 218 var $do_output = true; 219 220 /** 221 * PHP4 constructor - Sets up object properties. 222 * 223 * @since 2.2.0 224 * @return AtomServer 225 */ 226 function AtomServer() { 227 228 $this->script_name = array_pop(explode('/',$_SERVER['SCRIPT_NAME'])); 229 $this->app_base = get_bloginfo('url') . '/' . $this->script_name . '/'; 230 if ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) { 231 $this->app_base = preg_replace( '/^http:\/\//', 'https://', $this->app_base ); 232 } 233 234 $this->selectors = array( 235 '@/service$@' => 236 array('GET' => 'get_service'), 237 '@/categories$@' => 238 array('GET' => 'get_categories_xml'), 239 '@/post/(\d+)$@' => 240 array('GET' => 'get_post', 241 'PUT' => 'put_post', 242 'DELETE' => 'delete_post'), 243 '@/posts/?(\d+)?$@' => 244 array('GET' => 'get_posts', 245 'POST' => 'create_post'), 246 '@/attachments/?(\d+)?$@' => 247 array('GET' => 'get_attachment', 248 'POST' => 'create_attachment'), 249 '@/attachment/file/(\d+)$@' => 250 array('GET' => 'get_file', 251 'PUT' => 'put_file', 252 'DELETE' => 'delete_file'), 253 '@/attachment/(\d+)$@' => 254 array('GET' => 'get_attachment', 255 'PUT' => 'put_attachment', 256 'DELETE' => 'delete_attachment'), 257 ); 258 } 259 260 /** 261 * Handle ATOMPUB request. 262 * 263 * @since 2.2.0 264 */ 265 function handle_request() { 266 global $always_authenticate; 267 268 if( !empty( $_SERVER['ORIG_PATH_INFO'] ) ) 269 $path = $_SERVER['ORIG_PATH_INFO']; 270 else 271 $path = $_SERVER['PATH_INFO']; 272 273 $method = $_SERVER['REQUEST_METHOD']; 274 275 log_app('REQUEST',"$method $path\n================"); 276 277 $this->process_conditionals(); 278 //$this->process_conditionals(); 279 280 // exception case for HEAD (treat exactly as GET, but don't output) 281 if($method == 'HEAD') { 282 $this->do_output = false; 283 $method = 'GET'; 284 } 285 286 // redirect to /service in case no path is found. 287 if(strlen($path) == 0 || $path == '/') { 288 $this->redirect($this->get_service_url()); 289 } 290 291 // check to see if AtomPub is enabled 292 if( !get_option( 'enable_app' ) ) 293 $this->forbidden( sprintf( __( 'AtomPub services are disabled on this blog. An admin user can enable them at %s' ), admin_url('options-writing.php') ) ); 294 295 // dispatch 296 foreach($this->selectors as $regex => $funcs) { 297 if(preg_match($regex, $path, $matches)) { 298 if(isset($funcs[$method])) { 299 300 // authenticate regardless of the operation and set the current 301 // user. each handler will decide if auth is required or not. 302 if(!$this->authenticate()) { 303 if ($always_authenticate) { 304 $this->auth_required('Credentials required.'); 305 } 306 } 307 308 array_shift($matches); 309 call_user_func_array(array(&$this,$funcs[$method]), $matches); 310 exit(); 311 } else { 312 // only allow what we have handlers for... 313 $this->not_allowed(array_keys($funcs)); 314 } 315 } 316 } 317 318 // oops, nothing found 319 $this->not_found(); 320 } 321 322 /** 323 * Retrieve XML for ATOMPUB service. 324 * 325 * @since 2.2.0 326 */ 327 function get_service() { 328 log_app('function','get_service()'); 329 330 if( !current_user_can( 'edit_posts' ) ) 331 $this->auth_required( __( 'Sorry, you do not have the right to access this blog.' ) ); 332 333 $entries_url = esc_attr($this->get_entries_url()); 334 $categories_url = esc_attr($this->get_categories_url()); 335 $media_url = esc_attr($this->get_attachments_url()); 336 $accepted_media_types = ''; 337 foreach ($this->media_content_types as $med) { 338 $accepted_media_types = $accepted_media_types . "<accept>" . $med . "</accept>"; 339 } 340 $atom_prefix="atom"; 341 $atom_blogname=get_bloginfo('name'); 342 $service_doc = <<<EOD 343 <service xmlns="$this->ATOMPUB_NS" xmlns:$atom_prefix="$this->ATOM_NS"> 344 <workspace> 345 <$atom_prefix:title>$atom_blogname Workspace</$atom_prefix:title> 346 <collection href="$entries_url"> 347 <$atom_prefix:title>$atom_blogname Posts</$atom_prefix:title> 348 <accept>$this->ATOM_CONTENT_TYPE;type=entry</accept> 349 <categories href="$categories_url" /> 350 </collection> 351 <collection href="$media_url"> 352 <$atom_prefix:title>$atom_blogname Media</$atom_prefix:title> 353 $accepted_media_types 354 </collection> 355 </workspace> 356 </service> 357 358 EOD; 359 360 $this->output($service_doc, $this->SERVICE_CONTENT_TYPE); 361 } 362 363 /** 364 * Retrieve categories list in XML format. 365 * 366 * @since 2.2.0 367 */ 368 function get_categories_xml() { 369 log_app('function','get_categories_xml()'); 370 371 if( !current_user_can( 'edit_posts' ) ) 372 $this->auth_required( __( 'Sorry, you do not have the right to access this blog.' ) ); 373 374 $home = esc_attr(get_bloginfo_rss('home')); 375 376 $categories = ""; 377 $cats = get_categories("hierarchical=0&hide_empty=0"); 378 foreach ((array) $cats as $cat) { 379 $categories .= " <category term=\"" . esc_attr($cat->name) . "\" />\n"; 380 } 381 $output = <<<EOD 382 <app:categories xmlns:app="$this->ATOMPUB_NS" 383 xmlns="$this->ATOM_NS" 384 fixed="yes" scheme="$home"> 385 $categories 386 </app:categories> 387 EOD; 388 $this->output($output, $this->CATEGORIES_CONTENT_TYPE); 389 } 390 391 /** 392 * Create new post. 393 * 394 * @since 2.2.0 395 */ 396 function create_post() { 397 global $blog_id, $user_ID; 398 $this->get_accepted_content_type($this->atom_content_types); 399 400 $parser = new AtomParser(); 401 if(!$parser->parse()) { 402 $this->client_error(); 403 } 404 405 $entry = array_pop($parser->feed->entries); 406 407 log_app('Received entry:', print_r($entry,true)); 408 409 $catnames = array(); 410 foreach($entry->categories as $cat) 411 array_push($catnames, $cat["term"]); 412 413 $wp_cats = get_categories(array('hide_empty' => false)); 414 415 $post_category = array(); 416 417 foreach($wp_cats as $cat) { 418 if(in_array($cat->name, $catnames)) 419 array_push($post_category, $cat->term_id); 420 } 421 422 $publish = (isset($entry->draft) && trim($entry->draft) == 'yes') ? false : true; 423 424 $cap = ($publish) ? 'publish_posts' : 'edit_posts'; 425 426 if(!current_user_can($cap)) 427 $this->auth_required(__('Sorry, you do not have the right to edit/publish new posts.')); 428 429 $blog_ID = (int ) $blog_id; 430 $post_status = ($publish) ? 'publish' : 'draft'; 431 $post_author = (int) $user_ID; 432 $post_title = $entry->title[1]; 433 $post_content = $entry->content[1]; 434 $post_excerpt = $entry->summary[1]; 435 $pubtimes = $this->get_publish_time($entry->published); 436 $post_date = $pubtimes[0]; 437 $post_date_gmt = $pubtimes[1]; 438 439 if ( isset( $_SERVER['HTTP_SLUG'] ) ) 440 $post_name = $_SERVER['HTTP_SLUG']; 441 442 $post_data = compact('blog_ID', 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_name'); 443 444 $this->escape($post_data); 445 log_app('Inserting Post. Data:', print_r($post_data,true)); 446 447 $postID = wp_insert_post($post_data); 448 if ( is_wp_error( $postID ) ) 449 $this->internal_error($postID->get_error_message()); 450 451 if (!$postID) 452 $this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.')); 453 454 // getting warning here about unable to set headers 455 // because something in the cache is printing to the buffer 456 // could we clean up wp_set_post_categories or cache to not print 457 // this could affect our ability to send back the right headers 458 @wp_set_post_categories($postID, $post_category); 459 460 do_action( 'atompub_create_post', $postID, $entry ); 461 462 $output = $this->get_entry($postID); 463 464 log_app('function',"create_post($postID)"); 465 $this->created($postID, $output); 466 } 467 468 /** 469 * Retrieve post. 470 * 471 * @since 2.2.0 472 * 473 * @param int $postID Post ID. 474 */ 475 function get_post($postID) { 476 global $entry; 477 478 if( !current_user_can( 'edit_post', $postID ) ) 479 $this->auth_required( __( 'Sorry, you do not have the right to access this post.' ) ); 480 481 $this->set_current_entry($postID); 482 $output = $this->get_entry($postID); 483 log_app('function',"get_post($postID)"); 484 $this->output($output); 485 486 } 487 488 /** 489 * Update post. 490 * 491 * @since 2.2.0 492 * 493 * @param int $postID Post ID. 494 */ 495 function put_post($postID) { 496 // checked for valid content-types (atom+xml) 497 // quick check and exit 498 $this->get_accepted_content_type($this->atom_content_types); 499 500 $parser = new AtomParser(); 501 if(!$parser->parse()) { 502 $this->bad_request(); 503 } 504 505 $parsed = array_pop($parser->feed->entries); 506 507 log_app('Received UPDATED entry:', print_r($parsed,true)); 508 509 // check for not found 510 global $entry; 511 $this->set_current_entry($postID); 512 513 if(!current_user_can('edit_post', $entry['ID'])) 514 $this->auth_required(__('Sorry, you do not have the right to edit this post.')); 515 516 $publish = (isset($parsed->draft) && trim($parsed->draft) == 'yes') ? false : true; 517 $post_status = ($publish) ? 'publish' : 'draft'; 518 519 extract($entry); 520 521 $post_title = $parsed->title[1]; 522 $post_content = $parsed->content[1]; 523 $post_excerpt = $parsed->summary[1]; 524 $pubtimes = $this->get_publish_time($entry->published); 525 $post_date = $pubtimes[0]; 526 $post_date_gmt = $pubtimes[1]; 527 $pubtimes = $this->get_publish_time($parsed->updated); 528 $post_modified = $pubtimes[0]; 529 $post_modified_gmt = $pubtimes[1]; 530 531 $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt'); 532 $this->escape($postdata); 533 534 $result = wp_update_post($postdata); 535 536 if (!$result) { 537 $this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.')); 538 } 539 540 do_action( 'atompub_put_post', $ID, $parsed ); 541 542 log_app('function',"put_post($postID)"); 543 $this->ok(); 544 } 545 546 /** 547 * Remove post. 548 * 549 * @since 2.2.0 550 * 551 * @param int $postID Post ID. 552 */ 553 function delete_post($postID) { 554 555 // check for not found 556 global $entry; 557 $this->set_current_entry($postID); 558 559 if(!current_user_can('edit_post', $postID)) { 560 $this->auth_required(__('Sorry, you do not have the right to delete this post.')); 561 } 562 563 if ($entry['post_type'] == 'attachment') { 564 $this->delete_attachment($postID); 565 } else { 566 $result = wp_delete_post($postID); 567 568 if (!$result) { 569 $this->internal_error(__('For some strange yet very annoying reason, this post could not be deleted.')); 570 } 571 572 log_app('function',"delete_post($postID)"); 573 $this->ok(); 574 } 575 576 } 577 578 /** 579 * Retrieve attachment. 580 * 581 * @since 2.2.0 582 * 583 * @param int $postID Optional. Post ID. 584 */ 585 function get_attachment($postID = null) { 586 if( !current_user_can( 'upload_files' ) ) 587 $this->auth_required( __( 'Sorry, you do not have permission to upload files.' ) ); 588 589 if (!isset($postID)) { 590 $this->get_attachments(); 591 } else { 592 $this->set_current_entry($postID); 593 $output = $this->get_entry($postID, 'attachment'); 594 log_app('function',"get_attachment($postID)"); 595 $this->output($output); 596 } 597 } 598 599 /** 600 * Create new attachment. 601 * 602 * @since 2.2.0 603 */ 604 function create_attachment() { 605 606 $type = $this->get_accepted_content_type(); 607 608 if(!current_user_can('upload_files')) 609 $this->auth_required(__('You do not have permission to upload files.')); 610 611 $fp = fopen("php://input", "rb"); 612 $bits = null; 613 while(!feof($fp)) { 614 $bits .= fread($fp, 4096); 615 } 616 fclose($fp); 617 618 $slug = ''; 619 if ( isset( $_SERVER['HTTP_SLUG'] ) ) 620 $slug = sanitize_file_name( $_SERVER['HTTP_SLUG'] ); 621 elseif ( isset( $_SERVER['HTTP_TITLE'] ) ) 622 $slug = sanitize_file_name( $_SERVER['HTTP_TITLE'] ); 623 elseif ( empty( $slug ) ) // just make a random name 624 $slug = substr( md5( uniqid( microtime() ) ), 0, 7); 625 $ext = preg_replace( '|.*/([a-z0-9]+)|', '$1', $_SERVER['CONTENT_TYPE'] ); 626 $slug = "$slug.$ext"; 627 $file = wp_upload_bits( $slug, NULL, $bits); 628 629 log_app('wp_upload_bits returns:',print_r($file,true)); 630 631 $url = $file['url']; 632 $file = $file['file']; 633 634 do_action('wp_create_file_in_uploads', $file); // replicate 635 636 // Construct the attachment array 637 $attachment = array( 638 'post_title' => $slug, 639 'post_content' => $slug, 640 'post_status' => 'attachment', 641 'post_parent' => 0, 642 'post_mime_type' => $type, 643 'guid' => $url 644 ); 645 646 // Save the data 647 $postID = wp_insert_attachment($attachment, $file); 648 649 if (!$postID) 650 $this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.')); 651 652 $output = $this->get_entry($postID, 'attachment'); 653 654 $this->created($postID, $output, 'attachment'); 655 log_app('function',"create_attachment($postID)"); 656 } 657 658 /** 659 * Update attachment. 660 * 661 * @since 2.2.0 662 * 663 * @param int $postID Post ID. 664 */ 665 function put_attachment($postID) { 666 // checked for valid content-types (atom+xml) 667 // quick check and exit 668 $this->get_accepted_content_type($this->atom_content_types); 669 670 $parser = new AtomParser(); 671 if(!$parser->parse()) { 672 $this->bad_request(); 673 } 674 675 $parsed = array_pop($parser->feed->entries); 676 677 // check for not found 678 global $entry; 679 $this->set_current_entry($postID); 680 681 if(!current_user_can('edit_post', $entry['ID'])) 682 $this->auth_required(__('Sorry, you do not have the right to edit this post.')); 683 684 extract($entry); 685 686 $post_title = $parsed->title[1]; 687 $post_content = $parsed->summary[1]; 688 $pubtimes = $this->get_publish_time($parsed->updated); 689 $post_modified = $pubtimes[0]; 690 $post_modified_gmt = $pubtimes[1]; 691 692 $postdata = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'post_modified', 'post_modified_gmt'); 693 $this->escape($postdata); 694 695 $result = wp_update_post($postdata); 696 697 if (!$result) { 698 $this->internal_error(__('For some strange yet very annoying reason, this post could not be edited.')); 699 } 700 701 log_app('function',"put_attachment($postID)"); 702 $this->ok(); 703 } 704 705 /** 706 * Remove attachment. 707 * 708 * @since 2.2.0 709 * 710 * @param int $postID Post ID. 711 */ 712 function delete_attachment($postID) { 713 log_app('function',"delete_attachment($postID). File '$location' deleted."); 714 715 // check for not found 716 global $entry; 717 $this->set_current_entry($postID); 718 719 if(!current_user_can('edit_post', $postID)) { 720 $this->auth_required(__('Sorry, you do not have the right to delete this post.')); 721 } 722 723 $location = get_post_meta($entry['ID'], '_wp_attached_file', true); 724 $filetype = wp_check_filetype($location); 725 726 if(!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext'])) 727 $this->internal_error(__('Error ocurred while accessing post metadata for file location.')); 728 729 // delete file 730 @unlink($location); 731 732 // delete attachment 733 $result = wp_delete_post($postID); 734 735 if (!$result) { 736 $this->internal_error(__('For some strange yet very annoying reason, this post could not be deleted.')); 737 } 738 739 log_app('function',"delete_attachment($postID). File '$location' deleted."); 740 $this->ok(); 741 } 742 743 /** 744 * Retrieve attachment from post. 745 * 746 * @since 2.2.0 747 * 748 * @param int $postID Post ID. 749 */ 750 function get_file($postID) { 751 752 // check for not found 753 global $entry; 754 $this->set_current_entry($postID); 755 756 // then whether user can edit the specific post 757 if(!current_user_can('edit_post', $postID)) { 758 $this->auth_required(__('Sorry, you do not have the right to edit this post.')); 759 } 760 761 $location = get_post_meta($entry['ID'], '_wp_attached_file', true); 762 $location = get_option ('upload_path') . '/' . $location; 763 $filetype = wp_check_filetype($location); 764 765 if(!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext'])) 766 $this->internal_error(__('Error ocurred while accessing post metadata for file location.')); 767 768 status_header('200'); 769 header('Content-Type: ' . $entry['post_mime_type']); 770 header('Connection: close'); 771 772 if ($fp = fopen($location, "rb")) { 773 status_header('200'); 774 header('Content-Type: ' . $entry['post_mime_type']); 775 header('Connection: close'); 776 777 while(!feof($fp)) { 778 echo fread($fp, 4096); 779 } 780 781 fclose($fp); 782 } else { 783 status_header ('404'); 784 } 785 786 log_app('function',"get_file($postID)"); 787 exit; 788 } 789 790 /** 791 * Upload file to blog and add attachment to post. 792 * 793 * @since 2.2.0 794 * 795 * @param int $postID Post ID. 796 */ 797 function put_file($postID) { 798 799 // first check if user can upload 800 if(!current_user_can('upload_files')) 801 $this->auth_required(__('You do not have permission to upload files.')); 802 803 // check for not found 804 global $entry; 805 $this->set_current_entry($postID); 806 807 // then whether user can edit the specific post 808 if(!current_user_can('edit_post', $postID)) { 809 $this->auth_required(__('Sorry, you do not have the right to edit this post.')); 810 } 811 812 $upload_dir = wp_upload_dir( ); 813 $location = get_post_meta($entry['ID'], '_wp_attached_file', true); 814 $filetype = wp_check_filetype($location); 815 816 $location = "{$upload_dir['basedir']}/{$location}"; 817 818 if(!isset($location) || 'attachment' != $entry['post_type'] || empty($filetype['ext'])) 819 $this->internal_error(__('Error ocurred while accessing post metadata for file location.')); 820 821 $fp = fopen("php://input", "rb"); 822 $localfp = fopen($location, "w+"); 823 while(!feof($fp)) { 824 fwrite($localfp,fread($fp, 4096)); 825 } 826 fclose($fp); 827 fclose($localfp); 828 829 $ID = $entry['ID']; 830 $pubtimes = $this->get_publish_time($entry->published); 831 $post_date = $pubtimes[0]; 832 $post_date_gmt = $pubtimes[1]; 833 $pubtimes = $this->get_publish_time($parsed->updated); 834 $post_modified = $pubtimes[0]; 835 $post_modified_gmt = $pubtimes[1]; 836 837 $post_data = compact('ID', 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt'); 838 $result = wp_update_post($post_data); 839 840 if (!$result) { 841 $this->internal_error(__('Sorry, your entry could not be posted. Something wrong happened.')); 842 } 843 844 wp_update_attachment_metadata( $postID, wp_generate_attachment_metadata( $postID, $location ) ); 845 846 log_app('function',"put_file($postID)"); 847 $this->ok(); 848 } 849 850 /** 851 * Retrieve entries URL. 852 * 853 * @since 2.2.0 854 * 855 * @param int $page Page ID. 856 * @return string 857 */ 858 function get_entries_url($page = null) { 859 if ( isset($GLOBALS['post_type']) && ( $GLOBALS['post_type'] == 'attachment' ) ) { 860 $path = $this->MEDIA_PATH; 861 } else { 862 $path = $this->ENTRIES_PATH; 863 } 864 $url = $this->app_base . $path; 865 if(isset($page) && is_int($page)) { 866 $url .= "/$page"; 867 } 868 return $url; 869 } 870 871 /** 872 * Display entries URL. 873 * 874 * @since 2.2.0 875 * 876 * @param int $page Page ID. 877 */ 878 function the_entries_url($page = null) { 879 echo $this->get_entries_url($page); 880 } 881 882 /** 883 * Retrieve categories URL. 884 * 885 * @since 2.2.0 886 * 887 * @param mixed $deprecated Optional, not used. 888 * @return string 889 */ 890 function get_categories_url($deprecated = '') { 891 return $this->app_base . $this->CATEGORIES_PATH; 892 } 893 894 /** 895 * Display category URL. 896 * 897 * @since 2.2.0 898 */ 899 function the_categories_url() { 900 echo $this->get_categories_url(); 901 } 902 903 /** 904 * Retrieve attachment URL. 905 * 906 * @since 2.2.0 907 * 908 * @param int $page Page ID. 909 * @return string 910 */ 911 function get_attachments_url($page = null) { 912 $url = $this->app_base . $this->MEDIA_PATH; 913 if(isset($page) && is_int($page)) { 914 $url .= "/$page"; 915 } 916 return $url; 917 } 918 919 /** 920 * Display attachment URL. 921 * 922 * @since 2.2.0 923 * 924 * @param int $page Page ID. 925 */ 926 function the_attachments_url($page = null) { 927 echo $this->get_attachments_url($page); 928 } 929 930 /** 931 * Retrieve service URL. 932 * 933 * @since 2.3.0 934 * 935 * @return string 936 */ 937 function get_service_url() { 938 return $this->app_base . $this->SERVICE_PATH; 939 } 940 941 /** 942 * Retrieve entry URL. 943 * 944 * @since 2.7.0 945 * 946 * @param int $postID Post ID. 947 * @return string 948 */ 949 function get_entry_url($postID = null) { 950 if(!isset($postID)) { 951 global $post; 952 $postID = (int) $post->ID; 953 } 954 955 $url = $this->app_base . $this->ENTRY_PATH . "/$postID"; 956 957 log_app('function',"get_entry_url() = $url"); 958 return $url; 959 } 960 961 /** 962 * Display entry URL. 963 * 964 * @since 2.7.0 965 * 966 * @param int $postID Post ID. 967 */ 968 function the_entry_url($postID = null) { 969 echo $this->get_entry_url($postID); 970 } 971 972 /** 973 * Retrieve media URL. 974 * 975 * @since 2.2.0 976 * 977 * @param int $postID Post ID. 978 * @return string 979 */ 980 function get_media_url($postID = null) { 981 if(!isset($postID)) { 982 global $post; 983 $postID = (int) $post->ID; 984 } 985 986 $url = $this->app_base . $this->MEDIA_SINGLE_PATH ."/file/$postID"; 987 988 log_app('function',"get_media_url() = $url"); 989 return $url; 990 } 991 992 /** 993 * Display the media URL. 994 * 995 * @since 2.2.0 996 * 997 * @param int $postID Post ID. 998 */ 999 function the_media_url($postID = null) { 1000 echo $this->get_media_url($postID); 1001 } 1002 1003 /** 1004 * Set the current entry to post ID. 1005 * 1006 * @since 2.2.0 1007 * 1008 * @param int $postID Post ID. 1009 */ 1010 function set_current_entry($postID) { 1011 global $entry; 1012 log_app('function',"set_current_entry($postID)"); 1013 1014 if(!isset($postID)) { 1015 // $this->bad_request(); 1016 $this->not_found(); 1017 } 1018 1019 $entry = wp_get_single_post($postID,ARRAY_A); 1020 1021 if(!isset($entry) || !isset($entry['ID'])) 1022 $this->not_found(); 1023 1024 return; 1025 } 1026 1027 /** 1028 * Display posts XML. 1029 * 1030 * @since 2.2.0 1031 * 1032 * @param int $page Optional. Page ID. 1033 * @param string $post_type Optional, default is 'post'. Post Type. 1034 */ 1035 function get_posts($page = 1, $post_type = 'post') { 1036 log_app('function',"get_posts($page, '$post_type')"); 1037 $feed = $this->get_feed($page, $post_type); 1038 $this->output($feed); 1039 } 1040 1041 /** 1042 * Display attachment XML. 1043 * 1044 * @since 2.2.0 1045 * 1046 * @param int $page Page ID. 1047 * @param string $post_type Optional, default is 'attachment'. Post type. 1048 */ 1049 function get_attachments($page = 1, $post_type = 'attachment') { 1050 log_app('function',"get_attachments($page, '$post_type')"); 1051 $GLOBALS['post_type'] = $post_type; 1052 $feed = $this->get_feed($page, $post_type); 1053 $this->output($feed); 1054 } 1055 1056 /** 1057 * Retrieve feed XML. 1058 * 1059 * @since 2.2.0 1060 * 1061 * @param int $page Page ID. 1062 * @param string $post_type Optional, default is post. Post type. 1063 * @return string 1064 */ 1065 function get_feed($page = 1, $post_type = 'post') { 1066 global $post, $wp, $wp_query, $posts, $wpdb, $blog_id; 1067 log_app('function',"get_feed($page, '$post_type')"); 1068 ob_start(); 1069 1070 $this->ENTRY_PATH = $post_type; 1071 1072 if(!isset($page)) { 1073 $page = 1; 1074 } 1075 $page = (int) $page; 1076 1077 $count = get_option('posts_per_rss'); 1078 1079 wp('posts_per_page=' . $count . '&offset=' . ($count * ($page-1) . '&orderby=modified')); 1080 1081 $post = $GLOBALS['post']; 1082 $posts = $GLOBALS['posts']; 1083 $wp = $GLOBALS['wp']; 1084 $wp_query = $GLOBALS['wp_query']; 1085 $wpdb = $GLOBALS['wpdb']; 1086 $blog_id = (int) $GLOBALS['blog_id']; 1087 log_app('function',"query_posts(# " . print_r($wp_query, true) . "#)"); 1088 1089 log_app('function',"total_count(# $wp_query->max_num_pages #)"); 1090 $last_page = $wp_query->max_num_pages; 1091 $next_page = (($page + 1) > $last_page) ? NULL : $page + 1; 1092 $prev_page = ($page - 1) < 1 ? NULL : $page - 1; 1093 $last_page = ((int)$last_page == 1 || (int)$last_page == 0) ? NULL : (int) $last_page; 1094 $self_page = $page > 1 ? $page : NULL; 1095 ?><feed xmlns="<?php echo $this->ATOM_NS ?>" xmlns:app="<?php echo $this->ATOMPUB_NS ?>" xml:lang="<?php echo get_option('rss_language'); ?>"> 1096 <id><?php $this->the_entries_url() ?></id> 1097 <updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT'), false); ?></updated> 1098 <title type="text"><?php bloginfo_rss('name') ?></title> 1099 <subtitle type="text"><?php bloginfo_rss("description") ?></subtitle> 1100 <link rel="first" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url() ?>" /> 1101 <?php if(isset($prev_page)): ?> 1102 <link rel="previous" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($prev_page) ?>" /> 1103 <?php endif; ?> 1104 <?php if(isset($next_page)): ?> 1105 <link rel="next" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($next_page) ?>" /> 1106 <?php endif; ?> 1107 <link rel="last" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($last_page) ?>" /> 1108 <link rel="self" type="<?php echo $this->ATOM_CONTENT_TYPE ?>" href="<?php $this->the_entries_url($self_page) ?>" /> 1109 <rights type="text">Copyright <?php echo date('Y'); ?></rights> 1110 <?php the_generator( 'atom' ); ?> 1111 <?php if ( have_posts() ) { 1112 while ( have_posts() ) { 1113 the_post(); 1114 $this->echo_entry(); 1115 } 1116 } 1117 ?></feed> 1118 <?php 1119 $feed = ob_get_contents(); 1120 ob_end_clean(); 1121 return $feed; 1122 } 1123 1124 /** 1125 * Display entry XML. 1126 * 1127 * @since 2.2.0 1128 * 1129 * @param int $postID Post ID. 1130 * @param string $post_type Optional, default is post. Post type. 1131 * @return string. 1132 */ 1133 function get_entry($postID, $post_type = 'post') { 1134 log_app('function',"get_entry($postID, '$post_type')"); 1135 ob_start(); 1136 switch($post_type) { 1137 case 'post': 1138 $varname = 'p'; 1139 break; 1140 case 'attachment': 1141 $this->ENTRY_PATH = 'attachment'; 1142 $varname = 'attachment_id'; 1143 break; 1144 } 1145 query_posts($varname . '=' . $postID); 1146 if ( have_posts() ) { 1147 while ( have_posts() ) { 1148 the_post(); 1149 $this->echo_entry(); 1150 log_app('$post',print_r($GLOBALS['post'],true)); 1151 $entry = ob_get_contents(); 1152 break; 1153 } 1154 } 1155 ob_end_clean(); 1156 1157 log_app('get_entry returning:',$entry); 1158 return $entry; 1159 } 1160 1161 /** 1162 * Display post content XML. 1163 * 1164 * @since 2.3.0 1165 */ 1166 function echo_entry() { ?> 1167 <entry xmlns="<?php echo $this->ATOM_NS ?>" 1168 xmlns:app="<?php echo $this->ATOMPUB_NS ?>" xml:lang="<?php echo get_option('rss_language'); ?>"> 1169 <id><?php the_guid($GLOBALS['post']->ID); ?></id> 1170 <?php list($content_type, $content) = prep_atom_text_construct(get_the_title()); ?> 1171 <title type="<?php echo $content_type ?>"><?php echo $content ?></title> 1172 <updated><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></updated> 1173 <published><?php echo get_post_time('Y-m-d\TH:i:s\Z', true); ?></published> 1174 <app:edited><?php echo get_post_modified_time('Y-m-d\TH:i:s\Z', true); ?></app:edited> 1175 <app:control> 1176 <app:draft><?php echo ($GLOBALS['post']->post_status == 'draft' ? 'yes' : 'no') ?></app:draft> 1177 </app:control> 1178 <author> 1179 <name><?php the_author()?></name> 1180 <?php if ( get_the_author_meta('url') && get_the_author_meta('url') != 'http://' ) { ?> 1181 <uri><?php the_author_meta('url') ?></uri> 1182 <?php } ?> 1183 </author> 1184 <?php if($GLOBALS['post']->post_type == 'attachment') { ?> 1185 <link rel="edit-media" href="<?php $this->the_media_url() ?>" /> 1186 <content type="<?php echo $GLOBALS['post']->post_mime_type ?>" src="<?php the_guid(); ?>"/> 1187 <?php } else { ?> 1188 <link href="<?php the_permalink_rss() ?>" /> 1189 <?php if ( strlen( $GLOBALS['post']->post_content ) ) : 1190 list($content_type, $content) = prep_atom_text_construct(get_the_content()); ?> 1191 <content type="<?php echo $content_type ?>"><?php echo $content ?></content> 1192 <?php endif; ?> 1193 <?php } ?> 1194 <link rel="edit" href="<?php $this->the_entry_url() ?>" /> 1195 <?php the_category_rss( 'atom' ); ?> 1196 <?php list($content_type, $content) = prep_atom_text_construct(get_the_excerpt()); ?> 1197 <summary type="<?php echo $content_type ?>"><?php echo $content ?></summary> 1198 </entry> 1199 <?php } 1200 1201 /** 1202 * Set 'OK' (200) status header. 1203 * 1204 * @since 2.2.0 1205 */ 1206 function ok() { 1207 log_app('Status','200: OK'); 1208 header('Content-Type: text/plain'); 1209 status_header('200'); 1210 exit; 1211 } 1212 1213 /** 1214 * Set 'No Content' (204) status header. 1215 * 1216 * @since 2.2.0 1217 */ 1218 function no_content() { 1219 log_app('Status','204: No Content'); 1220 header('Content-Type: text/plain'); 1221 status_header('204'); 1222 echo "Moved to Trash."; 1223 exit; 1224 } 1225 1226 /** 1227 * Display 'Internal Server Error' (500) status header. 1228 * 1229 * @since 2.2.0 1230 * 1231 * @param string $msg Optional. Status string. 1232 */ 1233 function internal_error($msg = 'Internal Server Error') { 1234 log_app('Status','500: Server Error'); 1235 header('Content-Type: text/plain'); 1236 status_header('500'); 1237 echo $msg; 1238 exit; 1239 } 1240 1241 /** 1242 * Set 'Bad Request' (400) status header. 1243 * 1244 * @since 2.2.0 1245 */ 1246 function bad_request() { 1247 log_app('Status','400: Bad Request'); 1248 header('Content-Type: text/plain'); 1249 status_header('400'); 1250 exit; 1251 } 1252 1253 /** 1254 * Set 'Length Required' (411) status header. 1255 * 1256 * @since 2.2.0 1257 */ 1258 function length_required() { 1259 log_app('Status','411: Length Required'); 1260 header("HTTP/1.1 411 Length Required"); 1261 header('Content-Type: text/plain'); 1262 status_header('411'); 1263 exit; 1264 } 1265 1266 /** 1267 * Set 'Unsupported Media Type' (415) status header. 1268 * 1269 * @since 2.2.0 1270 */ 1271 function invalid_media() { 1272 log_app('Status','415: Unsupported Media Type'); 1273 header("HTTP/1.1 415 Unsupported Media Type"); 1274 header('Content-Type: text/plain'); 1275 exit; 1276 } 1277 1278 /** 1279 * Set 'Forbidden' (403) status header. 1280 * 1281 * @since 2.6.0 1282 */ 1283 function forbidden($reason='') { 1284 log_app('Status','403: Forbidden'); 1285 header('Content-Type: text/plain'); 1286 status_header('403'); 1287 echo $reason; 1288 exit; 1289 } 1290 1291 /** 1292 * Set 'Not Found' (404) status header. 1293 * 1294 * @since 2.2.0 1295 */ 1296 function not_found() { 1297 log_app('Status','404: Not Found'); 1298 header('Content-Type: text/plain'); 1299 status_header('404'); 1300 exit; 1301 } 1302 1303 /** 1304 * Set 'Not Allowed' (405) status header. 1305 * 1306 * @since 2.2.0 1307 */ 1308 function not_allowed($allow) { 1309 log_app('Status','405: Not Allowed'); 1310 header('Allow: ' . join(',', $allow)); 1311 status_header('405'); 1312 exit; 1313 } 1314 1315 /** 1316 * Display Redirect (302) content and set status headers. 1317 * 1318 * @since 2.3.0 1319 */ 1320 function redirect($url) { 1321 1322 log_app('Status','302: Redirect'); 1323 $escaped_url = esc_attr($url); 1324 $content = <<<EOD 1325 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> 1326 <html> 1327 <head> 1328 <title>302 Found</title> 1329 </head> 1330 <body> 1331 <h1>Found</h1> 1332 <p>The document has moved <a href="$escaped_url">here</a>.</p> 1333 </body> 1334 </html> 1335 1336 EOD; 1337 header('HTTP/1.1 302 Moved'); 1338 header('Content-Type: text/html'); 1339 header('Location: ' . $url); 1340 echo $content; 1341 exit; 1342 1343 } 1344 1345 /** 1346 * Set 'Client Error' (400) status header. 1347 * 1348 * @since 2.2.0 1349 */ 1350 function client_error($msg = 'Client Error') { 1351 log_app('Status','400: Client Error'); 1352 header('Content-Type: text/plain'); 1353 status_header('400'); 1354 exit; 1355 } 1356 1357 /** 1358 * Set created status headers (201). 1359 * 1360 * Sets the 'content-type', 'content-location', and 'location'. 1361 * 1362 * @since 2.2.0 1363 */ 1364 function created($post_ID, $content, $post_type = 'post') { 1365 log_app('created()::$post_ID',"$post_ID, $post_type"); 1366 $edit = $this->get_entry_url($post_ID); 1367 switch($post_type) { 1368 case 'post': 1369 $ctloc = $this->get_entry_url($post_ID); 1370 break; 1371 case 'attachment': 1372 $edit = $this->app_base . "attachments/$post_ID"; 1373 break; 1374 } 1375 header("Content-Type: $this->ATOM_CONTENT_TYPE"); 1376 if(isset($ctloc)) 1377 header('Content-Location: ' . $ctloc); 1378 header('Location: ' . $edit); 1379 status_header('201'); 1380 echo $content; 1381 exit; 1382 } 1383 1384 /** 1385 * Set 'Auth Required' (401) headers. 1386 * 1387 * @since 2.2.0 1388 * 1389 * @param string $msg Status header content and HTML content. 1390 */ 1391 function auth_required($msg) { 1392 log_app('Status','401: Auth Required'); 1393 nocache_headers(); 1394 header('WWW-Authenticate: Basic realm="WordPress Atom Protocol"'); 1395 header("HTTP/1.1 401 $msg"); 1396 header('Status: 401 ' . $msg); 1397 header('Content-Type: text/html'); 1398 $content = <<<EOD 1399 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> 1400 <html> 1401 <head> 1402 <title>401 Unauthorized</title> 1403 </head> 1404 <body> 1405 <h1>401 Unauthorized</h1> 1406 <p>$msg</p> 1407 </body> 1408 </html> 1409 1410 EOD; 1411 echo $content; 1412 exit; 1413 } 1414 1415 /** 1416 * Display XML and set headers with content type. 1417 * 1418 * @since 2.2.0 1419 * 1420 * @param string $xml Display feed content. 1421 * @param string $ctype Optional, default is 'atom+xml'. Feed content type. 1422 */ 1423 function output($xml, $ctype = 'application/atom+xml') { 1424 status_header('200'); 1425 $xml = '<?xml version="1.0" encoding="' . strtolower(get_option('blog_charset')) . '"?>'."\n".$xml; 1426 header('Connection: close'); 1427 header('Content-Length: '. strlen($xml)); 1428 header('Content-Type: ' . $ctype); 1429 header('Content-Disposition: attachment; filename=atom.xml'); 1430 header('Date: '. date('r')); 1431 if($this->do_output) 1432 echo $xml; 1433 log_app('function', "output:\n$xml"); 1434 exit; 1435 } 1436 1437 /** 1438 * Sanitize content for database usage. 1439 * 1440 * @since 2.2.0 1441 * 1442 * @param array $array Sanitize array and multi-dimension array. 1443 */ 1444 function escape(&$array) { 1445 global $wpdb; 1446 1447 foreach ($array as $k => $v) { 1448 if (is_array($v)) { 1449 $this->escape($array[$k]); 1450 } else if (is_object($v)) { 1451 //skip 1452 } else { 1453 $array[$k] = $wpdb->escape($v); 1454 } 1455 } 1456 } 1457 1458 /** 1459 * Access credential through various methods and perform login. 1460 * 1461 * @since 2.2.0 1462 * 1463 * @return bool 1464 */ 1465 function authenticate() { 1466 log_app("authenticate()",print_r($_ENV, true)); 1467 1468 // if using mod_rewrite/ENV hack 1469 // http://www.besthostratings.com/articles/http-auth-php-cgi.html 1470 if(isset($_SERVER['HTTP_AUTHORIZATION'])) { 1471 list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) = 1472 explode(':', base64_decode(substr($_SERVER['HTTP_AUTHORIZATION'], 6))); 1473 } else if (isset($_SERVER['REDIRECT_REMOTE_USER'])) { 1474 // Workaround for setups that do not forward HTTP_AUTHORIZATION 1475 // See http://trac.wordpress.org/ticket/7361 1476 list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) = 1477 explode(':', base64_decode(substr($_SERVER['REDIRECT_REMOTE_USER'], 6))); 1478 } 1479 1480 // If Basic Auth is working... 1481 if(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) { 1482 log_app("Basic Auth",$_SERVER['PHP_AUTH_USER']); 1483 1484 $user = wp_authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']); 1485 if ( $user && !is_wp_error($user) ) { 1486 wp_set_current_user($user->ID); 1487 log_app("authenticate()", $user->user_login); 1488 return true; 1489 } 1490 } 1491 1492 return false; 1493 } 1494 1495 /** 1496 * Retrieve accepted content types. 1497 * 1498 * @since 2.2.0 1499 * 1500 * @param array $types Optional. Content Types. 1501 * @return string 1502 */ 1503 function get_accepted_content_type($types = null) { 1504 1505 if(!isset($types)) { 1506 $types = $this->media_content_types; 1507 } 1508 1509 if(!isset($_SERVER['CONTENT_LENGTH']) || !isset($_SERVER['CONTENT_TYPE'])) { 1510 $this->length_required(); 1511 } 1512 1513 $type = $_SERVER['CONTENT_TYPE']; 1514 list($type,$subtype) = explode('/',$type); 1515 list($subtype) = explode(";",$subtype); // strip MIME parameters 1516 log_app("get_accepted_content_type", "type=$type, subtype=$subtype"); 1517 1518 foreach($types as $t) { 1519 list($acceptedType,$acceptedSubtype) = explode('/',$t); 1520 if($acceptedType == '*' || $acceptedType == $type) { 1521 if($acceptedSubtype == '*' || $acceptedSubtype == $subtype) 1522 return $type . "/" . $subtype; 1523 } 1524 } 1525 1526 $this->invalid_media(); 1527 } 1528 1529 /** 1530 * Process conditionals for posts. 1531 * 1532 * @since 2.2.0 1533 */ 1534 function process_conditionals() { 1535 1536 if(empty($this->params)) return; 1537 if($_SERVER['REQUEST_METHOD'] == 'DELETE') return; 1538 1539 switch($this->params[0]) { 1540 case $this->ENTRY_PATH: 1541 global $post; 1542 $post = wp_get_single_post($this->params[1]); 1543 $wp_last_modified = get_post_modified_time('D, d M Y H:i:s', true); 1544 $post = NULL; 1545 break; 1546 case $this->ENTRIES_PATH: 1547 $wp_last_modified = mysql2date('D, d M Y H:i:s', get_lastpostmodified('GMT'), 0).' GMT'; 1548 break; 1549 default: 1550 return; 1551 } 1552 $wp_etag = md5($wp_last_modified); 1553 @header("Last-Modified: $wp_last_modified"); 1554 @header("ETag: $wp_etag"); 1555 1556 // Support for Conditional GET 1557 if (isset($_SERVER['HTTP_IF_NONE_MATCH'])) 1558 $client_etag = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']); 1559 else 1560 $client_etag = false; 1561 1562 $client_last_modified = trim( $_SERVER['HTTP_IF_MODIFIED_SINCE']); 1563 // If string is empty, return 0. If not, attempt to parse into a timestamp 1564 $client_modified_timestamp = $client_last_modified ? strtotime($client_last_modified) : 0; 1565 1566 // Make a timestamp for our most recent modification... 1567 $wp_modified_timestamp = strtotime($wp_last_modified); 1568 1569 if ( ($client_last_modified && $client_etag) ? 1570 (($client_modified_timestamp >= $wp_modified_timestamp) && ($client_etag == $wp_etag)) : 1571 (($client_modified_timestamp >= $wp_modified_timestamp) || ($client_etag == $wp_etag)) ) { 1572 status_header( 304 ); 1573 exit; 1574 } 1575 } 1576 1577 /** 1578 * Convert RFC3339 time string to timestamp. 1579 * 1580 * @since 2.3.0 1581 * 1582 * @param string $str String to time. 1583 * @return bool|int false if format is incorrect. 1584 */ 1585 function rfc3339_str2time($str) { 1586 1587 $match = false; 1588 if(!preg_match("/(\d{4}-\d{2}-\d{2})T(\d{2}\:\d{2}\:\d{2})\.?\d{0,3}(Z|[+-]+\d{2}\:\d{2})/", $str, $match)) 1589 return false; 1590 1591 if($match[3] == 'Z') 1592 $match[3] == '+0000'; 1593 1594 return strtotime($match[1] . " " . $match[2] . " " . $match[3]); 1595 } 1596 1597 /** 1598 * Retrieve published time to display in XML. 1599 * 1600 * @since 2.3.0 1601 * 1602 * @param string $published Time string. 1603 * @return string 1604 */ 1605 function get_publish_time($published) { 1606 1607 $pubtime = $this->rfc3339_str2time($published); 1608 1609 if(!$pubtime) { 1610 return array(current_time('mysql'),current_time('mysql',1)); 1611 } else { 1612 return array(date("Y-m-d H:i:s", $pubtime), gmdate("Y-m-d H:i:s", $pubtime)); 1613 } 1614 } 1615 1616 } 1617 1618 /** 1619 * AtomServer 1620 * @var AtomServer 1621 * @global object $server 1622 */ 1623 $server = new AtomServer(); 1624 $server->handle_request(); 1625 1626 ?>
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| Generated: Fri Jan 8 00:19:48 2010 | Cross-referenced by PHPXref 0.7 |