}

[500] Fix | Delete

}

[501] Fix | Delete

else {

[502] Fix | Delete

$errormsg = "Failed to fetch $url. ";

[503] Fix | Delete

if ( $resp->error ) {

[504] Fix | Delete

# compensate for Snoopy's annoying habit to tacking

[505] Fix | Delete

# on '\n'

[506] Fix | Delete

$http_error = substr($resp->error, 0, -2);

[507] Fix | Delete

$errormsg .= "(HTTP Error: $http_error)";

[508] Fix | Delete

}

[509] Fix | Delete

else {

[510] Fix | Delete

$errormsg .= "(HTTP Response: " . $resp->response_code .')';

[511] Fix | Delete

}

[512] Fix | Delete

}

[513] Fix | Delete

}

[514] Fix | Delete

else {

[515] Fix | Delete

$errormsg = "Unable to retrieve RSS file for unknown reasons.";

[516] Fix | Delete

}

[517] Fix | Delete

[518] Fix | Delete

// else fetch failed

[519] Fix | Delete

[520] Fix | Delete

// attempt to return cached object

[521] Fix | Delete

if ($rss) {

[522] Fix | Delete

if ( MAGPIE_DEBUG ) {

[523] Fix | Delete

debug("Returning STALE object for $url");

[524] Fix | Delete

}

[525] Fix | Delete

return $rss;

[526] Fix | Delete

}

[527] Fix | Delete

[528] Fix | Delete

// else we totally failed

[529] Fix | Delete

// error( $errormsg );

[530] Fix | Delete

[531] Fix | Delete

return false;

[532] Fix | Delete

[533] Fix | Delete

} // end if ( !MAGPIE_CACHE_ON ) {

[534] Fix | Delete

} // end fetch_rss()

[535] Fix | Delete

endif;

[536] Fix | Delete

[537] Fix | Delete

/**

[538] Fix | Delete

* Retrieve URL headers and content using WP HTTP Request API.

[539] Fix | Delete

*

[540] Fix | Delete

* @since 1.5.0

[541] Fix | Delete

* @package External

[542] Fix | Delete

* @subpackage MagpieRSS

[543] Fix | Delete

*

[544] Fix | Delete

* @param string $url URL to retrieve

[545] Fix | Delete

* @param array $headers Optional. Headers to send to the URL. Default empty string.

[546] Fix | Delete

* @return Snoopy style response

[547] Fix | Delete

*/

[548] Fix | Delete

function _fetch_remote_file($url, $headers = "" ) {

[549] Fix | Delete

$resp = wp_safe_remote_request( $url, array( 'headers' => $headers, 'timeout' => MAGPIE_FETCH_TIME_OUT ) );

[550] Fix | Delete

if ( is_wp_error($resp) ) {

[551] Fix | Delete

$error = array_shift($resp->errors);

[552] Fix | Delete

[553] Fix | Delete

$resp = new stdClass;

[554] Fix | Delete

$resp->status = 500;

[555] Fix | Delete

$resp->response_code = 500;

[556] Fix | Delete

$resp->error = $error[0] . "\n"; //\n = Snoopy compatibility

[557] Fix | Delete

return $resp;

[558] Fix | Delete

}

[559] Fix | Delete

[560] Fix | Delete

// Snoopy returns headers unprocessed.

[561] Fix | Delete

// Also note, WP_HTTP lowercases all keys, Snoopy did not.

[562] Fix | Delete

$return_headers = array();

[563] Fix | Delete

foreach ( wp_remote_retrieve_headers( $resp ) as $key => $value ) {

[564] Fix | Delete

if ( !is_array($value) ) {

[565] Fix | Delete

$return_headers[] = "$key: $value";

[566] Fix | Delete

} else {

[567] Fix | Delete

foreach ( $value as $v )

[568] Fix | Delete

$return_headers[] = "$key: $v";

[569] Fix | Delete

}

[570] Fix | Delete

}

[571] Fix | Delete

[572] Fix | Delete

$response = new stdClass;

[573] Fix | Delete

$response->status = wp_remote_retrieve_response_code( $resp );

[574] Fix | Delete

$response->response_code = wp_remote_retrieve_response_code( $resp );

[575] Fix | Delete

$response->headers = $return_headers;

[576] Fix | Delete

$response->results = wp_remote_retrieve_body( $resp );

[577] Fix | Delete

[578] Fix | Delete

return $response;

[579] Fix | Delete

}

[580] Fix | Delete

[581] Fix | Delete

/**

[582] Fix | Delete

* Retrieve

[583] Fix | Delete

*

[584] Fix | Delete

* @since 1.5.0

[585] Fix | Delete

* @package External

[586] Fix | Delete

* @subpackage MagpieRSS

[587] Fix | Delete

*

[588] Fix | Delete

* @param array $resp

[589] Fix | Delete

* @return MagpieRSS|bool

[590] Fix | Delete

*/

[591] Fix | Delete

function _response_to_rss ($resp) {

[592] Fix | Delete

$rss = new MagpieRSS( $resp->results );

[593] Fix | Delete

[594] Fix | Delete

// if RSS parsed successfully

[595] Fix | Delete

if ( $rss && (!isset($rss->ERROR) || !$rss->ERROR) ) {

[596] Fix | Delete

[597] Fix | Delete

// find Etag, and Last-Modified

[598] Fix | Delete

foreach ( (array) $resp->headers as $h) {

[599] Fix | Delete

// 2003-03-02 - Nicola Asuni (www.tecnick.com) - fixed bug "Undefined offset: 1"

[600] Fix | Delete

if (strpos($h, ": ")) {

[601] Fix | Delete

list($field, $val) = explode(": ", $h, 2);

[602] Fix | Delete

}

[603] Fix | Delete

else {

[604] Fix | Delete

$field = $h;

[605] Fix | Delete

$val = "";

[606] Fix | Delete

}

[607] Fix | Delete

[608] Fix | Delete

if ( $field == 'etag' ) {

[609] Fix | Delete

$rss->etag = $val;

[610] Fix | Delete

}

[611] Fix | Delete

[612] Fix | Delete

if ( $field == 'last-modified' ) {

[613] Fix | Delete

$rss->last_modified = $val;

[614] Fix | Delete

}

[615] Fix | Delete

}

[616] Fix | Delete

[617] Fix | Delete

return $rss;

[618] Fix | Delete

} // else construct error message

[619] Fix | Delete

else {

[620] Fix | Delete

$errormsg = "Failed to parse RSS file.";

[621] Fix | Delete

[622] Fix | Delete

if ($rss) {

[623] Fix | Delete

$errormsg .= " (" . $rss->ERROR . ")";

[624] Fix | Delete

}

[625] Fix | Delete

// error($errormsg);

[626] Fix | Delete

[627] Fix | Delete

return false;

[628] Fix | Delete

} // end if ($rss and !$rss->error)

[629] Fix | Delete

}

[630] Fix | Delete

[631] Fix | Delete

/**

[632] Fix | Delete

* Set up constants with default values, unless user overrides.

[633] Fix | Delete

*

[634] Fix | Delete

* @since 1.5.0

[635] Fix | Delete

*

[636] Fix | Delete

* @global string $wp_version The WordPress version string.

[637] Fix | Delete

*

[638] Fix | Delete

* @package External

[639] Fix | Delete

* @subpackage MagpieRSS

[640] Fix | Delete

*/

[641] Fix | Delete

function init () {

[642] Fix | Delete

if ( defined('MAGPIE_INITALIZED') ) {

[643] Fix | Delete

return;

[644] Fix | Delete

}

[645] Fix | Delete

else {

[646] Fix | Delete

define('MAGPIE_INITALIZED', 1);

[647] Fix | Delete

}

[648] Fix | Delete

[649] Fix | Delete

if ( !defined('MAGPIE_CACHE_ON') ) {

[650] Fix | Delete

define('MAGPIE_CACHE_ON', 1);

[651] Fix | Delete

}

[652] Fix | Delete

[653] Fix | Delete

if ( !defined('MAGPIE_CACHE_DIR') ) {

[654] Fix | Delete

define('MAGPIE_CACHE_DIR', './cache');

[655] Fix | Delete

}

[656] Fix | Delete

[657] Fix | Delete

if ( !defined('MAGPIE_CACHE_AGE') ) {

[658] Fix | Delete

define('MAGPIE_CACHE_AGE', 60*60); // one hour

[659] Fix | Delete

}

[660] Fix | Delete

[661] Fix | Delete

if ( !defined('MAGPIE_CACHE_FRESH_ONLY') ) {

[662] Fix | Delete

define('MAGPIE_CACHE_FRESH_ONLY', 0);

[663] Fix | Delete

}

[664] Fix | Delete

[665] Fix | Delete

if ( !defined('MAGPIE_DEBUG') ) {

[666] Fix | Delete

define('MAGPIE_DEBUG', 0);

[667] Fix | Delete

}

[668] Fix | Delete

[669] Fix | Delete

if ( !defined('MAGPIE_USER_AGENT') ) {

[670] Fix | Delete

$ua = 'WordPress/' . $GLOBALS['wp_version'];

[671] Fix | Delete

[672] Fix | Delete

if ( MAGPIE_CACHE_ON ) {

[673] Fix | Delete

$ua = $ua . ')';

[674] Fix | Delete

}

[675] Fix | Delete

else {

[676] Fix | Delete

$ua = $ua . '; No cache)';

[677] Fix | Delete

}

[678] Fix | Delete

[679] Fix | Delete

define('MAGPIE_USER_AGENT', $ua);

[680] Fix | Delete

}

[681] Fix | Delete

[682] Fix | Delete

if ( !defined('MAGPIE_FETCH_TIME_OUT') ) {

[683] Fix | Delete

define('MAGPIE_FETCH_TIME_OUT', 2); // 2 second timeout

[684] Fix | Delete

}

[685] Fix | Delete

[686] Fix | Delete

// use gzip encoding to fetch rss files if supported?

[687] Fix | Delete

if ( !defined('MAGPIE_USE_GZIP') ) {

[688] Fix | Delete

define('MAGPIE_USE_GZIP', true);

[689] Fix | Delete

}

[690] Fix | Delete

}

[691] Fix | Delete

[692] Fix | Delete

function is_info ($sc) {

[693] Fix | Delete

return $sc >= 100 && $sc < 200;

[694] Fix | Delete

}

[695] Fix | Delete

[696] Fix | Delete

function is_success ($sc) {

[697] Fix | Delete

return $sc >= 200 && $sc < 300;

[698] Fix | Delete

}

[699] Fix | Delete

[700] Fix | Delete

function is_redirect ($sc) {

[701] Fix | Delete

return $sc >= 300 && $sc < 400;

[702] Fix | Delete

}

[703] Fix | Delete

[704] Fix | Delete

function is_error ($sc) {

[705] Fix | Delete

return $sc >= 400 && $sc < 600;

[706] Fix | Delete

}

[707] Fix | Delete

[708] Fix | Delete

function is_client_error ($sc) {

[709] Fix | Delete

return $sc >= 400 && $sc < 500;

[710] Fix | Delete

}

[711] Fix | Delete

[712] Fix | Delete

function is_server_error ($sc) {

[713] Fix | Delete

return $sc >= 500 && $sc < 600;

[714] Fix | Delete

}

[715] Fix | Delete

[716] Fix | Delete

class RSSCache {

[717] Fix | Delete

var $BASE_CACHE; // where the cache files are stored

[718] Fix | Delete

var $MAX_AGE = 43200; // when are files stale, default twelve hours

[719] Fix | Delete

var $ERROR = ''; // accumulate error messages

[720] Fix | Delete

[721] Fix | Delete

/**

[722] Fix | Delete

* PHP5 constructor.

[723] Fix | Delete

*/

[724] Fix | Delete

function __construct( $base = '', $age = '' ) {

[725] Fix | Delete

$this->BASE_CACHE = WP_CONTENT_DIR . '/cache';

[726] Fix | Delete

if ( $base ) {

[727] Fix | Delete

$this->BASE_CACHE = $base;

[728] Fix | Delete

}

[729] Fix | Delete

if ( $age ) {

[730] Fix | Delete

$this->MAX_AGE = $age;

[731] Fix | Delete

}

[732] Fix | Delete

[733] Fix | Delete

}

[734] Fix | Delete

[735] Fix | Delete

/**

[736] Fix | Delete

* PHP4 constructor.

[737] Fix | Delete

*/

[738] Fix | Delete

public function RSSCache( $base = '', $age = '' ) {

[739] Fix | Delete

self::__construct( $base, $age );

[740] Fix | Delete

}

[741] Fix | Delete

[742] Fix | Delete

/*=======================================================================*\

[743] Fix | Delete

Function: set

[744] Fix | Delete

Purpose: add an item to the cache, keyed on url

[745] Fix | Delete

Input: url from which the rss file was fetched

[746] Fix | Delete

Output: true on success

[747] Fix | Delete

\*=======================================================================*/

[748] Fix | Delete

function set ($url, $rss) {

[749] Fix | Delete

$cache_option = 'rss_' . $this->file_name( $url );

[750] Fix | Delete

[751] Fix | Delete

set_transient($cache_option, $rss, $this->MAX_AGE);

[752] Fix | Delete

[753] Fix | Delete

return $cache_option;

[754] Fix | Delete

}

[755] Fix | Delete

[756] Fix | Delete

/*=======================================================================*\

[757] Fix | Delete

Function: get

[758] Fix | Delete

Purpose: fetch an item from the cache

[759] Fix | Delete

Input: url from which the rss file was fetched

[760] Fix | Delete

Output: cached object on HIT, false on MISS

[761] Fix | Delete

\*=======================================================================*/

[762] Fix | Delete

function get ($url) {

[763] Fix | Delete

$this->ERROR = "";

[764] Fix | Delete

$cache_option = 'rss_' . $this->file_name( $url );

[765] Fix | Delete

[766] Fix | Delete

if ( ! $rss = get_transient( $cache_option ) ) {

[767] Fix | Delete

$this->debug(

[768] Fix | Delete

"Cache does not contain: $url (cache option: $cache_option)"

[769] Fix | Delete

);

[770] Fix | Delete

return 0;

[771] Fix | Delete

}

[772] Fix | Delete

[773] Fix | Delete

return $rss;

[774] Fix | Delete

}

[775] Fix | Delete

[776] Fix | Delete

/*=======================================================================*\

[777] Fix | Delete

Function: check_cache

[778] Fix | Delete

Purpose: check a url for membership in the cache

[779] Fix | Delete

and whether the object is older then MAX_AGE (ie. STALE)

[780] Fix | Delete

Input: url from which the rss file was fetched

[781] Fix | Delete

Output: cached object on HIT, false on MISS

[782] Fix | Delete

\*=======================================================================*/

[783] Fix | Delete

function check_cache ( $url ) {

[784] Fix | Delete

$this->ERROR = "";

[785] Fix | Delete

$cache_option = 'rss_' . $this->file_name( $url );

[786] Fix | Delete

[787] Fix | Delete

if ( get_transient($cache_option) ) {

[788] Fix | Delete

// object exists and is current

[789] Fix | Delete

return 'HIT';

[790] Fix | Delete

} else {

[791] Fix | Delete

// object does not exist

[792] Fix | Delete

return 'MISS';

[793] Fix | Delete

}

[794] Fix | Delete

}

[795] Fix | Delete

[796] Fix | Delete

/*=======================================================================*\

[797] Fix | Delete

Function: serialize

[798] Fix | Delete

\*=======================================================================*/

[799] Fix | Delete

function serialize ( $rss ) {

[800] Fix | Delete

return serialize( $rss );

[801] Fix | Delete

}

[802] Fix | Delete

[803] Fix | Delete

/*=======================================================================*\

[804] Fix | Delete

Function: unserialize

[805] Fix | Delete

\*=======================================================================*/

[806] Fix | Delete

function unserialize ( $data ) {

[807] Fix | Delete

return unserialize( $data );

[808] Fix | Delete

}

[809] Fix | Delete

[810] Fix | Delete

/*=======================================================================*\

[811] Fix | Delete

Function: file_name

[812] Fix | Delete

Purpose: map url to location in cache

[813] Fix | Delete

Input: url from which the rss file was fetched

[814] Fix | Delete

Output: a file name

[815] Fix | Delete

\*=======================================================================*/

[816] Fix | Delete

function file_name ($url) {

[817] Fix | Delete

return md5( $url );

[818] Fix | Delete

}

[819] Fix | Delete

[820] Fix | Delete

/*=======================================================================*\

[821] Fix | Delete

Function: error

[822] Fix | Delete

Purpose: register error

[823] Fix | Delete

\*=======================================================================*/

[824] Fix | Delete

function error ($errormsg, $lvl=E_USER_WARNING) {

[825] Fix | Delete

$this->ERROR = $errormsg;

[826] Fix | Delete

if ( MAGPIE_DEBUG ) {

[827] Fix | Delete

wp_trigger_error( '', $errormsg, $lvl);

[828] Fix | Delete

}

[829] Fix | Delete

else {

[830] Fix | Delete

error_log( $errormsg, 0);

[831] Fix | Delete

}

[832] Fix | Delete

}

[833] Fix | Delete

function debug ($debugmsg, $lvl=E_USER_NOTICE) {

[834] Fix | Delete

if ( MAGPIE_DEBUG ) {

[835] Fix | Delete

$this->error("MagpieRSS [debug] $debugmsg", $lvl);

[836] Fix | Delete

}

[837] Fix | Delete

}

[838] Fix | Delete

}

[839] Fix | Delete

[840] Fix | Delete

if ( !function_exists('parse_w3cdtf') ) :

[841] Fix | Delete

function parse_w3cdtf ( $date_str ) {

[842] Fix | Delete

[843] Fix | Delete

# regex to match W3C date/time formats

[844] Fix | Delete

$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";

[845] Fix | Delete

[846] Fix | Delete

if ( preg_match( $pat, $date_str, $match ) ) {

[847] Fix | Delete

list( $year, $month, $day, $hours, $minutes, $seconds) =

[848] Fix | Delete

array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[7]);

[849] Fix | Delete

[850] Fix | Delete

# calc epoch for current date assuming GMT

[851] Fix | Delete

$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);

[852] Fix | Delete

[853] Fix | Delete

$offset = 0;

[854] Fix | Delete

if ( $match[11] == 'Z' ) {

[855] Fix | Delete

# zulu time, aka GMT

[856] Fix | Delete

}

[857] Fix | Delete

else {

[858] Fix | Delete

list( $tz_mod, $tz_hour, $tz_min ) =

[859] Fix | Delete

array( $match[8], $match[9], $match[10]);

[860] Fix | Delete

[861] Fix | Delete

# zero out the variables

[862] Fix | Delete

if ( ! $tz_hour ) { $tz_hour = 0; }

[863] Fix | Delete

if ( ! $tz_min ) { $tz_min = 0; }

[864] Fix | Delete

[865] Fix | Delete

$offset_secs = (($tz_hour*60)+$tz_min)*60;

[866] Fix | Delete

[867] Fix | Delete

# is timezone ahead of GMT? then subtract offset

[868] Fix | Delete

#

[869] Fix | Delete

if ( $tz_mod == '+' ) {

[870] Fix | Delete

$offset_secs = $offset_secs * -1;

[871] Fix | Delete

}

[872] Fix | Delete

[873] Fix | Delete

$offset = $offset_secs;

[874] Fix | Delete

}

[875] Fix | Delete

$epoch = $epoch + $offset;

[876] Fix | Delete

return $epoch;

[877] Fix | Delete

}

[878] Fix | Delete

else {

[879] Fix | Delete

return -1;

[880] Fix | Delete

}

[881] Fix | Delete

}

[882] Fix | Delete

endif;

[883] Fix | Delete

[884] Fix | Delete

if ( !function_exists('wp_rss') ) :

[885] Fix | Delete

/**

[886] Fix | Delete

* Display all RSS items in a HTML ordered list.

[887] Fix | Delete

*

[888] Fix | Delete

* @since 1.5.0

[889] Fix | Delete

* @package External

[890] Fix | Delete

* @subpackage MagpieRSS

[891] Fix | Delete

*

[892] Fix | Delete

* @param string $url URL of feed to display. Will not auto sense feed URL.

[893] Fix | Delete

* @param int $num_items Optional. Number of items to display, default is all.

[894] Fix | Delete

*/

[895] Fix | Delete

function wp_rss( $url, $num_items = -1 ) {

[896] Fix | Delete

if ( $rss = fetch_rss( $url ) ) {

[897] Fix | Delete

echo '<ul>';

[898] Fix | Delete

[899] Fix | Delete

if ( $num_items !== -1 ) {

[900] Fix | Delete

$rss->items = array_slice( $rss->items, 0, $num_items );

[901] Fix | Delete

}

[902] Fix | Delete

[903] Fix | Delete

foreach ( (array) $rss->items as $item ) {

[904] Fix | Delete

printf(

[905] Fix | Delete

'<li><a href="%1$s" title="%2$s">%3$s</a></li>',

[906] Fix | Delete

esc_url( $item['link'] ),

[907] Fix | Delete

esc_attr( strip_tags( $item['description'] ) ),

[908] Fix | Delete

esc_html( $item['title'] )

[909] Fix | Delete

);

[910] Fix | Delete

}

[911] Fix | Delete

[912] Fix | Delete

echo '</ul>';

[913] Fix | Delete

} else {

[914] Fix | Delete

_e( 'An error has occurred, which probably means the feed is down. Try again later.' );

[915] Fix | Delete

}

[916] Fix | Delete

}

[917] Fix | Delete

endif;

[918] Fix | Delete

[919] Fix | Delete

if ( !function_exists('get_rss') ) :

[920] Fix | Delete

/**

[921] Fix | Delete

* Display RSS items in HTML list items.

[922] Fix | Delete

*

[923] Fix | Delete

* You have to specify which HTML list you want, either ordered or unordered

[924] Fix | Delete

* before using the function. You also have to specify how many items you wish

[925] Fix | Delete

* to display. You can't display all of them like you can with wp_rss()

[926] Fix | Delete

* function.

[927] Fix | Delete

*

[928] Fix | Delete

* @since 1.5.0

[929] Fix | Delete

* @package External

[930] Fix | Delete

* @subpackage MagpieRSS

[931] Fix | Delete

*

[932] Fix | Delete

* @param string $url URL of feed to display. Will not auto sense feed URL.

[933] Fix | Delete

* @param int $num_items Optional. Number of items to display, default is all.

[934] Fix | Delete

* @return bool False on failure.

[935] Fix | Delete

*/

[936] Fix | Delete

function get_rss ($url, $num_items = 5) { // Like get posts, but for RSS

[937] Fix | Delete

$rss = fetch_rss($url);

[938] Fix | Delete

if ( $rss ) {

[939] Fix | Delete

$rss->items = array_slice($rss->items, 0, $num_items);

[940] Fix | Delete

foreach ( (array) $rss->items as $item ) {

[941] Fix | Delete

echo "<li>\n";

[942] Fix | Delete

echo "<a href='$item[link]' title='$item[description]'>";

[943] Fix | Delete

echo esc_html($item['title']);

[944] Fix | Delete

echo "</a><br />\n";

[945] Fix | Delete

echo "</li>\n";

[946] Fix | Delete

}

[947] Fix | Delete

} else {

[948] Fix | Delete

return false;

[949] Fix | Delete

}

[950] Fix | Delete

}

[951] Fix | Delete

endif;

[952] Fix | Delete

[953] Fix | Delete