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<?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * 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. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License / /* * Handles `<atom:source>` * * Used by {@see SimplePie_Item::get_source()} * * This class can be overloaded with {@see SimplePie::set_source_class()} * * @package SimplePie * @subpackage API / class SimplePie_Source { var $item; var $data = array(); protected $registry; public function __construct($item, $data) { $this->item = $item; $this->data = $data; } public function set_registry(SimplePie_Registry $registry) { $this->registry = $registry; } public function __toString() { return md5(serialize($this->data)); } public function get_source_tags($namespace, $tag) { if (isset($this->data['child'][$namespace][$tag])) { return $this->data['child'][$namespace][$tag]; } return null; } public function get_base($element = array()) { return $this->item->get_base($element); } public function sanitize($data, $type, $base = '') { return $this->item->sanitize($data, $type, $base); } public function get_item() { return $this->item; } public function get_title() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) { return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) { return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } return null; } public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } public function get_categories() { $categories = array(); foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['attribs']['']['term'])) { $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) { // This is really the label, but keep this as the term also for BC. // Label will also work on retrieving because that falls back to term. $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); if (isset($category['attribs']['']['domain'])) { $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = null; } $categories[] = $this->registry->create('Category', array($term, $scheme, null)); } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) { $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) { $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } if (!empty($categories)) { return array_unique($categories); } return null; } public function get_author($key = 0) { $authors = $this->get_authors(); if (isset($authors[$key])) { return $authors[$key]; } return null; } public function get_authors() { $authors = array(); foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) { $name = null; $uri = null; $email = null; if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); } if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null \|\| $email !== null \|\| $uri !== null) { $authors[] = $this->registry->create('Author', array($name, $uri, $email)); } } if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) { $name = null; $url = null; $email = null; if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); } if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null \|\| $email !== null \|\| $url !== null) { $authors[] = $this->registry->create('Author', array($name, $url, $email)); } } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) { $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) { $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) { $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } if (!empty($authors)) { return array_unique($authors); } return null; } public function get_contributor($key = 0) { $contributors = $this->get_contributors(); if (isset($contributors[$key])) { return $contributors[$key]; } return null; } public function get_contributors() { $contributors = array(); foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) { $name = null; $uri = null; $email = null; if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) { $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null \|\| $email !== null \|\| $uri !== null) { $contributors[] = $this->registry->create('Author', array($name, $uri, $email)); } } foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) { $name = null; $url = null; $email = null; if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) { $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null \|\| $email !== null \|\| $url !== null) { $contributors[] = $this->registry->create('Author', array($name, $url, $email)); } } if (!empty($contributors)) { return array_unique($contributors); } return null; } public function get_link($key = 0, $rel = 'alternate') { $links = $this->get_links($rel); if (isset($links[$key])) { return $links[$key]; } return null; } /* * Added for parity between the parent-level and the item/entry-level. */ public function get_permalink() { return $this->get_link(0); } public function get_links($rel = 'alternate') { if (!isset($this->data['links'])) { $this->data['links'] = array(); if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link')) { foreach ($links as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); } } } if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link')) { foreach ($links as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); } } } if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } $keys = array_keys($this->data['links']); foreach ($keys as $key) { if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key))) { if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) { $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; } else { $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; } } elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) { $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; } $this->data['links'][$key] = array_unique($this->data['links'][$key]); } } if (isset($this->data['links'][$rel])) { return $this->data['links'][$rel]; } return null; } public function get_description() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle')) { return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline')) { return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); } return null; } public function get_copyright() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) { return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) { return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } return null; } public function get_language() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif (isset($this->data['xml_lang'])) { return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); } return null; } public function get_latitude() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) { return (float) $return[0]['data']; } elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[1]; } return null; } public function get_longitude() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) { return (float) $return[0]['data']; } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) { return (float) $return[0]['data']; } elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[2]; } return null; } public function get_image_url() { if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image')) { return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); } elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); } return null; } }

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