| @@ -2,9 +2,9 @@ | ||
| 2 | 2 | /* |
| 3 | 3 | Plugin Name: FeedWordPress |
| 4 | 4 | Plugin URI: http://projects.radgeek.com/feedwordpress |
| 5 | 5 | Description: simple and flexible Atom/RSS syndication for WordPress |
| 6 | -Version: 2009.0613 | |
| 6 | +Version: 2009.0612 | |
| 7 | 7 | Author: Charles Johnson |
| 8 | 8 | Author URI: http://radgeek.com/ |
| 9 | 9 | License: GPL |
| 10 | 10 | */ |
| @@ -212,10 +212,10 @@ | ||
| 212 | 212 | FeedWordPressCompatibility::validate_http_request(/*action=*/ 'feedwordpress_fix_magpie', /*capability=*/ 'edit_files'); |
| 213 | 213 | |
| 214 | 214 | $back_to = $_SERVER['REQUEST_URI']; |
| 215 | 215 | if (isset($_POST['ignore'])) : |
| 216 | - // kill error message by telling it we ignored the upgrade request for this version | |
| 217 | - update_option('feedwordpress_magpie_ignored_upgrade_to', EXPECTED_MAGPIE_VERSION); | |
| 216 | + // kill error message by telling it to expect whatever we've got | |
| 217 | + update_option('feedwordpress_expected_magpie', FeedWordPress::magpie_version()); | |
| 218 | 218 | $ret = 'ignored'; |
| 219 | 219 | elseif (isset($_POST['upgrade'])) : |
| 220 | 220 | $source = dirname(__FILE__)."/MagpieRSS-upgrade/rss.php"; |
| 221 | 221 | $destination = ABSPATH . WPINC . '/rss.php'; |
| @@ -506,9 +506,9 @@ | ||
| 506 | 506 | <?php |
| 507 | 507 | endif; |
| 508 | 508 | } /* function fwp_check_debug () */ |
| 509 | 509 | |
| 510 | -define('EXPECTED_MAGPIE_VERSION', '2009.0613'); | |
| 510 | +define('DEFAULT_EXPECTED_MAGPIE_VERSION', '0.85'); | |
| 511 | 511 | function fwp_check_magpie () { |
| 512 | 512 | if (isset($_REQUEST['feedwordpress_magpie_fix'])) : |
| 513 | 513 | if ($_REQUEST['feedwordpress_magpie_fix']=='ignored') : |
| 514 | 514 | ?> |
| @@ -552,11 +552,19 @@ | ||
| 552 | 552 | <?php |
| 553 | 553 | endif; |
| 554 | 554 | else : |
| 555 | 555 | $magpie_version = FeedWordPress::magpie_version(); |
| 556 | + | |
| 557 | + $exp = get_option('feedwordpress_expected_magpie'); | |
| 558 | + if ($exp) : $expected = array($exp, DEFAULT_EXPECTED_MAGPIE_VERSION); | |
| 559 | + else : $expected = array(DEFAULT_EXPECTED_MAGPIE_VERSION); | |
| 560 | + endif; | |
| 556 | 561 | |
| 557 | - $ignored = get_option('feedwordpress_magpie_ignored_upgrade_to'); | |
| 558 | - if (EXPECTED_MAGPIE_VERSION != $magpie_version and EXPECTED_MAGPIE_VERSION != $ignored) : | |
| 562 | + if (in_array($magpie_version, $expected)) : | |
| 563 | + if ($magpie_version != $exp) : | |
| 564 | + update_option('feedwordpress_expected_magpie', $magpie_version); | |
| 565 | + endif; | |
| 566 | + else : | |
| 559 | 567 | if (current_user_can('edit_files')) : |
| 560 | 568 | $youAre = 'you are'; |
| 561 | 569 | $itIsRecommendedThatYou = 'It is <strong>strongly recommended</strong> that you'; |
| 562 | 570 | else : |
| @@ -565,13 +573,9 @@ | ||
| 565 | 573 | endif; |
| 566 | 574 | print '<div class="error">'; |
| 567 | 575 | ?> |
| 568 | 576 | <p style="font-style: italic"><strong>FeedWordPress has detected that <?php print $youAre; ?> currently using a version of |
| 569 | -MagpieRSS other than the upgraded version that ships with this version of FeedWordPress.</strong></p> | |
| 570 | -<ul> | |
| 571 | -<li><strong>Currently running:</strong> MagpieRSS <?php print $magpie_version; ?></li> | |
| 572 | -<li><strong>Version included with FeedWordPress <?php print FEEDWORDPRESS_VERSION; ?>:</strong> MagpieRSS <?php print EXPECTED_MAGPIE_VERSION; ?></li> | |
| 573 | -</ul> | |
| 577 | +MagpieRSS other than the upgraded version that ships with FeedWordPress.</strong></p> | |
| 574 | 578 | <p><?php print $itIsRecommendedThatYou; ?> install the upgraded |
| 575 | 579 | version of MagpieRSS supplied with FeedWordPress. The version of |
| 576 | 580 | MagpieRSS that ships with WordPress is very old and buggy, and |
| 577 | 581 | encounters a number of errors when trying to parse modern Atom |
| @@ -2354,8 +2358,178 @@ | ||
| 2354 | 2358 | |
| 2355 | 2359 | return array('flerror' => false, 'message' => "Thanks for the ping.".implode(' and', $mesg)); |
| 2356 | 2360 | endif; |
| 2357 | 2361 | } |
| 2362 | + | |
| 2363 | +################################################################################ | |
| 2364 | +## class FeedFinder: find likely feeds using autodetection and/or guesswork #### | |
| 2365 | +################################################################################ | |
| 2366 | + | |
| 2367 | +class FeedFinder { | |
| 2368 | + var $uri = NULL; | |
| 2369 | + var $_cache_uri = NULL; | |
| 2370 | + | |
| 2371 | + var $verify = FALSE; | |
| 2372 | + | |
| 2373 | + var $_data = NULL; | |
| 2374 | + var $_error = NULL; | |
| 2375 | + var $_head = NULL; | |
| 2376 | + | |
| 2377 | + # -- Recognition patterns | |
| 2378 | + var $_feed_types = array( | |
| 2379 | + 'application/rss+xml', | |
| 2380 | + 'text/xml', | |
| 2381 | + 'application/atom+xml', | |
| 2382 | + 'application/x.atom+xml', | |
| 2383 | + 'application/x-atom+xml' | |
| 2384 | + ); | |
| 2385 | + var $_feed_markers = array('\\<feed', '\\<rss', 'xmlns="http://purl.org/rss/1.0'); | |
| 2386 | + var $_html_markers = array('\\<html'); | |
| 2387 | + var $_obvious_feed_url = array('[./]rss', '[./]rdf', '[./]atom', '[./]feed', '\.xml'); | |
| 2388 | + var $_maybe_feed_url = array ('rss', 'rdf', 'atom', 'feed', 'xml'); | |
| 2389 | + | |
| 2390 | + function FeedFinder ($uri = NULL, $verify = TRUE) { | |
| 2391 | + $this->uri = $uri; $this->verify = $verify; | |
| 2392 | + } /* FeedFinder::FeedFinder () */ | |
| 2393 | + | |
| 2394 | + function find ($uri = NULL) { | |
| 2395 | + $ret = array (); | |
| 2396 | + if (!is_null($this->data($uri))) { | |
| 2397 | + if ($this->is_feed($uri)) { | |
| 2398 | + $ret = array($this->uri); | |
| 2399 | + } else { | |
| 2400 | + // Assume that we have HTML or XHTML (even if we don't, who's it gonna hurt?) | |
| 2401 | + // Autodiscovery is the preferred method | |
| 2402 | + $href = $this->_link_rel_feeds(); | |
| 2403 | + | |
| 2404 | + // ... but we'll also take the little orange buttons | |
| 2405 | + $href = array_merge($href, $this->_a_href_feeds(TRUE)); | |
| 2406 | + | |
| 2407 | + // If all that failed, look harder | |
| 2408 | + if (count($href) == 0) $href = $this->_a_href_feeds(FALSE); | |
| 2409 | + | |
| 2410 | + // Our search may turn up duplicate URIs. We only need to do any given URI once. | |
| 2411 | + // Props to Camilo <http://projects.radgeek.com/2008/12/14/feedwordpress-20081214/#comment-20090122160414> | |
| 2412 | + $href = array_unique($href); | |
| 2413 | + | |
| 2414 | + // Verify feeds and resolve relative URIs | |
| 2415 | + foreach ($href as $u) { | |
| 2416 | + $the_uri = Relative_URI::resolve($u, $this->uri); | |
| 2417 | + if ($this->verify) { | |
| 2418 | + $feed =& new FeedFinder($the_uri); | |
| 2419 | + if ($feed->is_feed()) $ret[] = $the_uri; | |
| 2420 | + $feed = NULL; | |
| 2421 | + } else { | |
| 2422 | + $ret[] = $the_uri; | |
| 2423 | + } | |
| 2424 | + } /* foreach */ | |
| 2425 | + } /* if */ | |
| 2426 | + } /* if */ | |
| 2427 | + return array_unique($ret); | |
| 2428 | + } /* FeedFinder::find () */ | |
| 2429 | + | |
| 2430 | + function data ($uri = NULL) { | |
| 2431 | + $this->_get($uri); | |
| 2432 | + return $this->_data; | |
| 2433 | + } | |
| 2434 | + | |
| 2435 | + function error () { | |
| 2436 | + return $this->_error; | |
| 2437 | + } | |
| 2438 | + | |
| 2439 | + function is_feed ($uri = NULL) { | |
| 2440 | + $data = $this->data($uri); | |
| 2441 | + | |
| 2442 | + return ( | |
| 2443 | + preg_match ( | |
| 2444 | + "\007(".implode('|',$this->_feed_markers).")\007i", | |
| 2445 | + $data | |
| 2446 | + ) and !preg_match ( | |
| 2447 | + "\007(".implode('|',$this->_html_markers).")\007i", | |
| 2448 | + $data | |
| 2449 | + ) | |
| 2450 | + ); | |
| 2451 | + } /* FeedFinder::is_feed () */ | |
| 2452 | + | |
| 2453 | + # --- Private methods --- | |
| 2454 | + function _get ($uri = NULL) { | |
| 2455 | + if ($uri) $this->uri = $uri; | |
| 2456 | + | |
| 2457 | + // Is the result not yet cached? | |
| 2458 | + if ($this->_cache_uri !== $this->uri) : | |
| 2459 | + $headers['Connection'] = 'close'; | |
| 2460 | + $headers['Accept'] = 'application/atom+xml application/rdf+xml application/rss+xml application/xml text/html */*'; | |
| 2461 | + $headers['User-Agent'] = 'feedfinder/1.2 (compatible; PHP FeedFinder) +http://projects.radgeek.com/feedwordpress'; | |
| 2462 | + | |
| 2463 | + // Use function provided by MagpieRSS package | |
| 2464 | + $client = _fetch_remote_file($this->uri, $headers); | |
| 2465 | + if (isset($client->error)) : | |
| 2466 | + $this->_error = $client->error; | |
| 2467 | + else : | |
| 2468 | + $this->_error = NULL; | |
| 2469 | + endif; | |
| 2470 | + $this->_data = $client->results; | |
| 2471 | + | |
| 2472 | + // Kilroy was here | |
| 2473 | + $this->_cache_uri = $this->uri; | |
| 2474 | + endif; | |
| 2475 | + } /* FeedFinder::_get () */ | |
| 2476 | + | |
| 2477 | + function _link_rel_feeds () { | |
| 2478 | + $links = $this->_tags('link'); | |
| 2479 | + $link_count = count($links); | |
| 2480 | + | |
| 2481 | + // now figure out which one points to the RSS file | |
| 2482 | + $href = array (); | |
| 2483 | + for ($n=0; $n<$link_count; $n++) { | |
| 2484 | + if (strtolower($links[$n]['rel']) == 'alternate') { | |
| 2485 | + if (in_array(strtolower($links[$n]['type']), $this->_feed_types)) { | |
| 2486 | + $href[] = $links[$n]['href']; | |
| 2487 | + } /* if */ | |
| 2488 | + } /* if */ | |
| 2489 | + } /* for */ | |
| 2490 | + return $href; | |
| 2491 | + } | |
| 2492 | + | |
| 2493 | + function _a_href_feeds ($obvious = TRUE) { | |
| 2494 | + $pattern = ($obvious ? $this->_obvious_feed_url : $this->_maybe_feed_url); | |
| 2495 | + | |
| 2496 | + $links = $this->_tags('a'); | |
| 2497 | + $link_count = count($links); | |
| 2498 | + | |
| 2499 | + // now figure out which one points to the RSS file | |
| 2500 | + $href = array (); | |
| 2501 | + for ($n=0; $n<$link_count; $n++) { | |
| 2502 | + if (preg_match("\007(".implode('|',$pattern).")\007i", $links[$n]['href'])) { | |
| 2503 | + $href[] = $links[$n]['href']; | |
| 2504 | + } /* if */ | |
| 2505 | + } /* for */ | |
| 2506 | + return $href; | |
| 2507 | + } | |
| 2508 | + | |
| 2509 | + function _tags ($tag) { | |
| 2510 | + $html = $this->data(); | |
| 2511 | + | |
| 2512 | + // search through the HTML, save all <link> tags | |
| 2513 | + // and store each link's attributes in an associative array | |
| 2514 | + preg_match_all('/<'.$tag.'\s+(.*?)\s*\/?>/si', $html, $matches); | |
| 2515 | + $links = $matches[1]; | |
| 2516 | + $ret = array(); | |
| 2517 | + $link_count = count($links); | |
| 2518 | + for ($n=0; $n<$link_count; $n++) { | |
| 2519 | + $attributes = preg_split('/\s+/s', $links[$n]); | |
| 2520 | + foreach($attributes as $attribute) { | |
| 2521 | + $att = preg_split('/\s*=\s*/s', $attribute, 2); | |
| 2522 | + if (isset($att[1])) { | |
| 2523 | + $att[1] = preg_replace('/([\'"]?)(.*)\1/', '$2', $att[1]); | |
| 2524 | + $final_link[strtolower($att[0])] = $att[1]; | |
| 2525 | + } /* if */ | |
| 2526 | + } /* foreach */ | |
| 2527 | + $ret[$n] = $final_link; | |
| 2528 | + } /* for */ | |
| 2529 | + return $ret; | |
| 2530 | + } | |
| 2531 | +} /* class FeedFinder */ | |
| 2358 | 2532 | |
| 2359 | 2533 | # Relative URI static class: PHP class for resolving relative URLs |
| 2360 | 2534 | # |
| 2361 | 2535 | # This class is derived (under the terms of the GPL) from URL Class 0.3 by |
