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<?php
/**
* ******* spieFeed's license. *******
* GPLv3
* http://www.gnu.org/licenses/gpl-3.0.html
*
* ******* SimplePie's license. *******
* BSD
* Copyright (c) 2004-2007, Ryan Parman and Geoffrey Sneddon.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @link http://simplepie.org/
*/
/**
* @author goldsky <goldsky@modx-id.com>
* @license http://www.gnu.org/licenses/gpl-3.0.html
* @package spieFeed
* @subpackage class
*/
class SimplePieModx {
/**
* @var MODx's object reference
*/
public $modx;
/**
* @var mixed snippet call's parameters
*/
public $spie = null;
private $_error;
/**
* Initiating MODx's object inside the class
* @param mixed $modx MODx's object
*/
public function __construct(&$modx) {
$this->modx = & $modx;
}
/**
* Sets the parameters
* @param array $spie $scriptProperties
*/
public function setConfigs(&$spie) {
$this->spie = & $spie;
}
/**
* Processing the parameters into placeholders
* @return array placeholders
*/
public function getPlaceholders() {
$res = array();
$res['err'] = '';
$res['suc'] = '';
/**
* @link http://github.com/simplepie/simplepie/tree/one-dot-two
*/
if (!file_exists($this->spie['simplePieClassFile'])) {
$res['err'] = 'File ' . $this->spie['simplePieClassFile'] . ' does not exist.';
return $res;
}
include_once $this->spie['simplePieClassFile'];
$feed = new SimplePie();
$joinKey = 0;
$phArray = array();
foreach ($this->spie['setFeedUrl'] as $setFeedUrl) {
$feed->set_cache_location($this->spie['setCacheLocation']);
$feed->set_feed_url($setFeedUrl);
if (isset($this->spie['setInputEncoding'])) {
$feed->set_input_encoding($this->spie['setInputEncoding']);
}
if (isset($this->spie['setOutputEncoding'])) {
$feed->set_output_encoding($this->spie['setOutputEncoding']);
}
// if no cURL, try fsockopen
if ($this->spie['forceFSockopen']) {
$feed->force_fsockopen(true);
}
if (isset($this->spie['enableCache']))
$feed->enable_cache($this->spie['enableCache']);
if (isset($this->spie['enableOrderByDate']))
$feed->enable_order_by_date($this->spie['enableOrderByDate']);
if (isset($this->spie['setCacheDuration']))
$feed->set_cache_duration($this->spie['setCacheDuration']);
if (!empty($this->spie['setImageHandler'])) {
// handler_image.php?image=67d5fa9a87bad230fb03ea68b9f71090
$feed->set_image_handler($this->spie['setImageHandler'][0], $this->spie['setImageHandler'][1]);
}
// disabled since these are all splitted into a single fetching
// it's been used with different way, see below looping
if (isset($this->spie['setItemLimit']))
$feed->set_item_limit((int) $this->spie['setItemLimit']);
if (isset($this->spie['setJavascript']))
$feed->set_javascript($this->spie['setJavascript']);
if (isset($this->spie['stripAttributes']))
$feed->strip_attributes(array_merge($feed->strip_attributes, $this->spie['stripAttributes']));
if (isset($this->spie['stripComments']))
$feed->strip_comments($this->spie['stripComments']);
if (isset($this->spie['stripHtmlTags']))
$feed->strip_htmltags(array_merge($feed->strip_htmltags, $this->spie['stripHtmlTags']));
/**
* Initiating the Feeding.
* This always be placed AFTER all the settings above.
*/
if (!$feed->init()) {
if (!empty($this->spie['debug'])) {
$res['err'] = $feed->error();
}
return $res;
}
$feed->handle_content_type();
$feedItems = $feed->get_items($this->spie['getItemStart'], $this->spie['getItemLength']);
if (empty($feedItems)) {
continue;
}
foreach ($feedItems as $item) {
$phArray[$joinKey]['link'] = $item->get_link();
$phArray[$joinKey]['title'] = $item->get_title();
$phArray[$joinKey]['description'] = $item->get_description();
$phArray[$joinKey]['content'] = $item->get_content();
$phArray[$joinKey]['permalink'] = $item->get_permalink();
$parsedUrl = parse_url($phArray[$joinKey]['permalink']);
$implodedParsedUrl = $parsedUrl['scheme'] . '://' . $parsedUrl['host'];
$imageLink = $feed->get_image_link() != '' ? $feed->get_image_link() : $implodedParsedUrl;
$phArray[$joinKey]['imageLink'] = $imageLink;
$phArray[$joinKey]['imageTitle'] = $feed->get_image_title();
$phArray[$joinKey]['imageUrl'] = $feed->get_image_url();
$phArray[$joinKey]['imageWidth'] = $feed->get_image_width();
$phArray[$joinKey]['imageHeight'] = $feed->get_image_height();
$phArray[$joinKey]['date'] = $item->get_date($this->spie['dateFormat']);
$phArray[$joinKey]['localDate'] = $item->get_local_date($this->spie['localDateFormat']);
$phArray[$joinKey]['copyright'] = $item->get_copyright();
$phArray[$joinKey]['latitude'] = $feed->get_latitude();
$phArray[$joinKey]['longitude'] = $feed->get_longitude();
$phArray[$joinKey]['language'] = $feed->get_language();
$phArray[$joinKey]['encoding'] = $feed->get_encoding();
if ($item->get_authors()) {
foreach ($item->get_authors() as $authorObject) {
$authorName = $authorObject->get_name();
$authorLink = $authorObject->get_link();
$authorEmail = $authorObject->get_email();
}
$phArray[$joinKey]['authorName'] = $authorName;
$phArray[$joinKey]['authorLink'] = $authorLink;
$phArray[$joinKey]['authorEmail'] = $authorEmail;
}
$category = $item->get_category();
if ($category) {
$phArray[$joinKey]['category'] = htmlspecialchars_decode($category->get_label(), ENT_QUOTES);
}
$contributor = $item->get_contributor();
$phArray[$joinKey]['contributor'] = '';
if ($contributor) {
$phArray[$joinKey]['contributor'] = $contributor->get_name();
}
if ($feed->get_type() && SIMPLEPIE_TYPE_NONE) {
$phArray[$joinKey]['getType'] = 'Unknown';
} elseif ($feed->get_type() && SIMPLEPIE_TYPE_RSS_ALL) {
$phArray[$joinKey]['getType'] = 'RSS';
} elseif ($feed->get_type() && SIMPLEPIE_TYPE_ATOM_ALL) {
$phArray[$joinKey]['getType'] = 'Atom';
} elseif ($feed->get_type() && SIMPLEPIE_TYPE_ALL) {
$phArray[$joinKey]['getType'] = 'Supported';
}
// Media from Flickr RSS stream
if ($enclosure = $item->get_enclosure()) {
$phArray[$joinKey]['itemImageThumbnailUrl'] = $enclosure->get_thumbnail();
$phArray[$joinKey]['itemImageWidth'] = $enclosure->get_width();
$phArray[$joinKey]['itemImageHeight'] = $enclosure->get_height();
}
$joinKey++;
} // foreach ($feed->get_items($getItemStart, $getItemEnd) as $item)
} // foreach ($this->spie['setFeedUrl'] as $setFeedUrl)
if (0 === $joinKey && isset($this->spie['emptyMessage'])) {
$res['err'] = $this->spie['emptyMessage'];
} else {
$res['suc'] = $this->_filterModxTags($phArray);
}
if ($feed->error()) {
$this->_error = $feed->error();
}
return $res;
}
/**
* Sorting by key/placeholder.
* This ignores the simplepie's enable_order_by_date(),
* to adjust multiple feeds.
* @link http://simplepie.org/wiki/reference/simplepie/enable_order_by_date
*/
public function sortPlaceholders($phs) {
if (empty($phs)) {
return FALSE;
}
$sortByArray = array();
foreach ($phs as $k => $v) {
if ('date' == strtolower($this->spie['sortBy'])) {
$sortByArray[strtotime($v['date'])][] = $v;
} elseif ('localdate' == strtolower($this->spie['sortBy'])) {
$sortByArray[strtotime($v['localDate'])][] = $v;
} else {
$sortByArray[$v[$this->spie['sortBy']]][] = $v;
}
}
$phs = array();
unset($phs);
if ('asc' == strtolower($this->spie['sortOrder'])) {
ksort($sortByArray);
} else {
krsort($sortByArray);
}
$pushedArray = array();
foreach ($sortByArray as $k => $v) {
foreach ($v as $vv) {
$pushedArray[] = $vv;
}
}
// if the result number is limited
$countLimit = 0;
if ($this->spie['setItemLimit'] > 0) {
foreach ($pushedArray as $k => $v) {
if ($this->spie['setItemLimit'] == $countLimit)
break;
$limitedItems[$k] = $v;
$countLimit++;
}
// overide the previous value;
$pushedArray = $limitedItems;
}
return $pushedArray;
}
/**
* Initiating the templates.
* @param string $phs placeholders
* @return string parsed result;
*/
public function fetchTpl($phs) {
$countPlacehoders = count($phs);
$i = 0;
$output = '';
foreach ($phs as $v) {
$i++;
if (intval(0) === $i % 2) {
$v['feedClass'] = $this->spie['rowCls'];
} else {
$v['feedClass'] = $this->spie['oddRowCls'];
}
if (intval(1) === $i) {
$v['feedClass'] .= ' ' . $this->spie['firstRowCls'];
} elseif ($i == $countPlacehoders) {
$v['feedClass'] .= ' ' . $this->spie['lastRowCls'];
}
$getChunk = $this->modx->getChunk($this->spie['tpl']);
if (!empty($getChunk)) {
$output .= $this->modx->getChunk($this->spie['tpl'], $v);
} else {
$output .= $this->_fetchTplFile('tpl', $this->spie['tplFilePath'], $v);
}
}
return $output;
}
private function _fetchTplFile($name, $filePath, $params) {
$chunk = false;
if (!file_exists($filePath)) {
echo __LINE__ . ': Missing tempate file: ' . $filePath . '<br />';
return FALSE;
} else {
$o = file_get_contents($filePath);
$chunk = $this->modx->newObject('modChunk');
$chunk->set('name', $name);
$chunk->setContent($o);
return $chunk->process($params);
}
return FALSE;
}
/**
* Replace tags
* @param array $sources parsed template
* @param array $filters custom filters
* @return array parsed tags
*/
private function _filterModxTags($sources = array(), array $filters = array()) {
if (empty($filters)) {
$filters = array(
'[[' => '[[',
']]' => ']]'
);
}
$countSources = count($sources);
for ($i = 0; $i < $countSources; $i++) {
foreach ($filters as $search => $replace) {
$sources[$i] = str_replace($search, $replace, $sources[$i]);
}
}
return $sources;
}
public function getError() {
return $this->_error;
}
}