168 lines
8.0 KiB
PHP
168 lines
8.0 KiB
PHP
<?php
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# $entry['feed_id']: functions_entries.inc.php 435 2005-08-25 12:36:39Z garvinhicking $
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# Copyright (c) 2003-2005, Jannis Hermanns (on behalf the Serendipity Developer Team)
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# All rights reserved. See LICENSE file for licensing details
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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if (defined('S9Y_FRAMEWORK_RSS')) {
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return;
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}
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@define('S9Y_FRAMEWORK_RSS', true);
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/**
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* Parses entries to display them for RSS/Atom feeds to be passed on to generic Smarty templates
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*
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* This function searches for existing RSS feed template customizations. As long as a template
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* with the same name as the $version variable exists, it will be emitted.
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*
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* @access public
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* @see serendipity_fetchEntries(), rss.php
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* @param array A superarray of entries to output
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* @param string The version/type of a RSS/Atom feed to display (atom1_0, rss2_0 etc)
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* @param boolean If true, this is a comments feed. If false, it's an Entry feed.
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* @param boolean Indicates if this feed is a fulltext feed (true) or only excerpt (false)
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* @param boolean Indicates if E-Mail addresses should be shown (true) or hidden (false)
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* @return
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*/
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function serendipity_printEntries_rss(&$entries, $version, $comments = false, $fullFeed = false, $showMail = true) {
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global $serendipity;
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$options = array(
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'version' => $version,
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'comments' => $comments,
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'fullFeed' => $fullFeed,
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'showMail' => $showMail
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);
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serendipity_plugin_api::hook_event('frontend_entries_rss', $entries, $options);
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if (is_array($entries)) {
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foreach ($entries as $key => $_entry) {
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$entry = &$entries[$key];
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if (isset($entry['entrytimestamp'])) {
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$e_ts = $entry['entrytimestamp'];
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} else {
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$e_ts = $entry['timestamp'];
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}
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$entry['feed_id'] = (isset($entry['entryid']) && !empty($entry['entryid']) ? $entry['entryid'] : $entry['id']);
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// set feed guid only, if not already defined externaly
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if (empty($entry['feed_guid']))
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$entry['feed_guid'] = serendipity_rss_getguid($entry, $options['comments']);
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$entry['feed_entryLink'] = serendipity_archiveURL($entry['feed_id'], $entry['title'], 'baseURL', true, array('timestamp' => $e_ts));
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if ($options['comments'] == true) {
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// Display username as part of the title for easier feed-readability
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if ($entry['type'] == 'TRACKBACK' && !empty($entry['ctitle'])) {
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$entry['author'] .= ' - ' . $entry['ctitle'];
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}
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$entry['title'] = (!empty($entry['author']) ? $entry['author'] : ANONYMOUS) . ': ' . $entry['title'];
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// No HTML allowed here:
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$entry['body'] = strip_tags($entry['body']);
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}
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// Embed a link to extended entry, if existing
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if ($options['fullFeed']) {
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$entry['body'] .= "\n" . $entry['extended'];
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$ext = '';
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} elseif ($entry['exflag']) {
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$ext = '<a class="block_level" href="' . $entry['feed_entryLink'] . '#extended">' . sprintf(VIEW_EXTENDED_ENTRY, serendipity_specialchars($entry['title'])) . '</a>';
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} else {
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$ext = '';
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}
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$addData = array('from' => 'functions_entries:printEntries_rss','rss_options' => $options);
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serendipity_plugin_api::hook_event('frontend_display', $entry, $addData);
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// Do some relative -> absolute URI replacing magic. Replaces all HREF/SRC (<a>, <img>, ...) references to only the serendipitypath with the full baseURL URI
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// garvin: Could impose some problems. Closely watch this one.
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// onli: Did impose some problems, when having //-links to stuff. following pattern-selection tries to workaround that
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if ($serendipity['serendipityHTTPPath'] == "/") {
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$pattern = '@(href|src)=(["\'])/([^/][^"\']*)@imsU';
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} else {
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$pattern = '@(href|src)=(["\'])' . preg_quote($serendipity['serendipityHTTPPath']) . '([^"\']*)@imsU';
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}
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$entry['body'] = preg_replace($pattern, '\1=\2' . $serendipity['baseURL'] . '\3', $entry['body']);
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//$entry['body'] = preg_replace('@(href|src)=("|\')(' . preg_quote($serendipity['serendipityHTTPPath']) . ')(.*)("|\')(.*)>@imsU', '\1=\2' . $serendipity['baseURL'] . '\4\2\6>', $entry['body']);
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// jbalcorn: clean up body for XML compliance as best we can.
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$entry['body'] = xhtml_cleanup($entry['body']);
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// extract author information
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if ((isset($entry['no_email']) && $entry['no_email']) || $options['showMail'] === FALSE) {
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$entry['email'] = 'nospam@example.com'; // RSS Feeds need an E-Mail address!
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} elseif (empty($entry['email'])) {
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$query = "select email FROM {$serendipity['dbPrefix']}authors WHERE authorid = '". serendipity_db_escape_string($entry['authorid']) ."'";
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$results = serendipity_db_query($query);
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$entry['email'] = $results[0]['email'];
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}
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if (!is_array($entry['categories'])) {
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$entry['categories'] = array(0 => array(
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'category_name' => $entry['category_name'],
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'feed_category_name' => serendipity_utf8_encode(serendipity_specialchars($entry['category_name'])),
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'categoryURL' => serendipity_categoryURL($entry, 'baseURL')
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));
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} else {
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foreach($entry['categories'] AS $cid => $_cat) {
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$cat = &$entry['categories'][$cid];
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$cat['categoryURL'] = serendipity_categoryURL($cat, 'baseURL');
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$cat['feed_category_name'] = serendipity_utf8_encode(serendipity_specialchars($cat['category_name']));
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}
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}
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// Prepare variables
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// 1. UTF8 encoding + serendipity_specialchars.
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$entry['feed_title'] = serendipity_utf8_encode(serendipity_specialchars($entry['title']));
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$entry['feed_blogTitle'] = serendipity_utf8_encode(serendipity_specialchars($serendipity['blogTitle']));
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$entry['feed_title'] = serendipity_utf8_encode(serendipity_specialchars($entry['title']));
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$entry['feed_author'] = serendipity_utf8_encode(serendipity_specialchars($entry['author']));
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$entry['feed_email'] = serendipity_utf8_encode(serendipity_specialchars($entry['email']));
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// 2. gmdate
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$entry['feed_timestamp'] = gmdate('Y-m-d\TH:i:s\Z', serendipity_serverOffsetHour($entry['timestamp']));
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$entry['feed_last_modified'] = gmdate('Y-m-d\TH:i:s\Z', serendipity_serverOffsetHour($entry['last_modified']));
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$entry['feed_timestamp_r'] = date('r', $entry['timestamp']);
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// 3. UTF8 encoding
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$entry['feed_body'] = serendipity_utf8_encode($entry['body']);
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$entry['feed_ext'] = serendipity_utf8_encode($ext);
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$entry_hook = 'frontend_display:unknown:per-entry';
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switch($version) {
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case 'opml1.0':
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$entry_hook = 'frontend_display:opml-1.0:per_entry';
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break;
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case '0.91':
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$entry_hook = 'frontend_display:rss-0.91:per_entry';
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break;
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case '1.0':
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$entry_hook = 'frontend_display:rss-1.0:per_entry';
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break;
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case '2.0':
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$entry_hook = 'frontend_display:rss-2.0:per_entry';
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break;
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case 'atom0.3':
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$entry_hook = 'frontend_display:atom-0.3:per_entry';
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break;
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case 'atom1.0':
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$entry_hook = 'frontend_display:atom-1.0:per_entry';
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break;
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}
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serendipity_plugin_api::hook_event($entry_hook, $entry);
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$entry['per_entry_display_dat'] = $entry['display_dat'] ?? null;
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}
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}
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}
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