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<?php
//Prints ISO date for podcast
function sb_print_iso_date($sermon) {
if (is_object($sermon)) {
echo date('D, d M Y H:i:s O', strtotime($sermon->datetime));
} else
echo date('D, d M Y H:i:s O', strtotime($sermon));
}

//Prints size of file
function sb_media_size($media_name, $media_type) {
if ($media_type == 'URLs') {
if(ini_get('allow_url_fopen')) {
$headers = array_change_key_case(@get_headers($media_name, 1),CASE_LOWER);
$filesize = $headers['content-length'];
if ($filesize)
return "length="{$filesize}"";
}
} else
return 'length="'.@filesize(SB_ABSPATH.sb_get_option('upload_dir').$media_name).'"';
}

//Returns duration of .mp3 file
function sb_mp3_duration($media_name, $media_type) {
global $wpdb;
if (strtolower(substr($media_name, -3)) == 'mp3' && $media_type == 'Files') {
$duration = $wpdb->get_var("SELECT duration FROM {$wpdb->prefix}sb_stuff WHERE type = 'file' AND name = '{$media_name}'");
if ($duration)
return $duration;
else {
require_once('getid3/getid3.php');
$getID3 = new getID3;
$MediaFileInfo = $getID3->analyze(SB_ABSPATH.sb_get_option('upload_dir').$media_name);
$duration = isset($MediaFileInfo['playtime_string']) ? $MediaFileInfo['playtime_string'] : '';
$wpdb->query("UPDATE {$wpdb->prefix}sb_stuff SET duration = '{$duration}' WHERE type = 'file' AND name = '{$media_name}'");
return $duration;
}
}
}

//Replaces & with &amp;
function sb_xml_entity_encode ($string) {
$string = str_replace('&amp;amp;', '&amp;', str_replace('&', '&amp;', $string));
$string = str_replace('"', '&quot;', $string);
$string = str_replace("'", '&apos;', $string);
$string = str_replace('<', '&lt;', $string);
$string = str_replace('>', '&gt;', $string);
return $string;
}

// Convert filename to URL, perhaps with stats
// Stats have to be turned off for iTunes compatibility
function sb_podcast_file_url($media_name, $media_type) {
$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
if (stripos($user_agent, 'itunes') !== FALSE | stripos($user_agent, 'FeedBurner') !== FALSE)
$stats = FALSE;
else
$stats = TRUE;
if ($media_type == 'URLs') {
if ($stats)
$media_name=sb_display_url().sb_query_char().'show&amp;url='.URLencode($media_name);
} else {
if (!$stats)
$media_name=get_bloginfo('wpurl').sb_get_option('upload_dir').URLencode($media_name);
else
$media_name=sb_display_url().sb_query_char().'show&amp;file_name='.URLencode($media_name);
}
return sb_xml_entity_encode($media_name);
}

// Returns correct MIME type
function sb_mime_type($media_name) {
require ('filetypes.php');
$extension = strtolower(substr($media_name, strrpos($media_name, '.') + 1));
if (array_key_exists ($extension, $filetypes))
return ' type="'.$filetypes[$extension]['content-type'].'"';
}

$sermons = sb_get_sermons(
array(
'title' => isset($_REQUEST['title']) ? $_REQUEST['title'] : '',
'preacher' => isset($_REQUEST['preacher']) ? $_REQUEST['preacher'] : '',
'date' => isset($_REQUEST['date']) ? $_REQUEST['date'] : '',
'enddate' => isset($_REQUEST['enddate']) ? $_REQUEST['enddate'] : '',
'series' => isset($_REQUEST['series']) ? $_REQUEST['series'] : '',
'service' => isset($_REQUEST['service']) ? $_REQUEST['service'] : '',
'book' => isset($_REQUEST['book']) ? $_REQUEST['book'] : '',
'tag' => isset($_REQUEST['stag']) ? $_REQUEST['stag'] : '',
),
array(
'by' => 'm.datetime',
'dir' => 'desc',
),
1,
1000000
);

if (function_exists('wp_timezone_override_offset'))
wp_timezone_override_offset();

header('Content-Type: application/rss+xml');
echo '<?xml version="1.0" encoding="UTF-8"?>'."n";
?>
<rss xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<atom:link href="http://smithtonchurch.com/smithton/resources/sermonaudio/?podcast" rel="self" type="application/rss+xml" />
<title>Smithton-Culloden &amp; Nairn Free Church Podcast</title>
<itunes:author>Smithton-Culloden &amp; Nairn Free Church – Rev David Meredith</itunes:author>
<itunes:subtitle>An evangelical, Reformed, presbyterian church located just east of Inverness, in the Highlands of Scotland.</itunes:subtitle>
<description>Smithton-Culloden &amp; Nairn Free Church is located just east of Inverness, in the Highlands of Scotland. We are an evangelical, Reformed, presbyterian church led by Rev David Meredith. Sunday worship services are at 9:30am, 11:00am, and 6:30pm. For more information, please visit our website: http://smithtonchurch.com.…..on&gt;
<link><?php echo sb_xml_entity_encode(get_bloginfo('home')) ?></link>
<language>en-us</language>
<copyright></copyright>
<itunes:explicit>no</itunes:explicit>
<itunes:owner>
<itunes:name>Ethan Smith</itunes:name>
<itunes:email>webmaster@smithtonchurch.com</itunes:email>
</itunes:owner>
<itunes:image href="http://smithtonchurch.com/images/scfcnlogo.jpg" />
<lastBuildDate><?php sb_print_iso_date(isset($sermons[0]) ? $sermons[0]: time()) ?></lastBuildDate>
<pubDate><?php sb_print_iso_date(isset($sermons[0]) ? $sermons[0]: time()) ?></pubDate>
<generator>Wordpress Sermon Browser plugin <?php echo SB_CURRENT_VERSION ?> (http://www.4-14.org.uk/sermon-…..or&gt;
<docs>http://blogs.law.harvard.edu/tech/rss</docs>
<category>Religion &amp; Spirituality</category>
<itunes:category text="Religion &amp; Spirituality"></itunes:category>
<?php
$mp3count = 0;
$accepted_extensions = array ('mp3', 'm4a', 'mp4', 'm4v','mov', 'wma', 'wmv');
foreach ($sermons as $sermon) {
if ($mp3count > 15)
break;
$media = sb_get_stuff($sermon);
if (is_array($media['Files']) | is_array($media['URLs'])) {
foreach ($media as $media_type => $media_names)
if (is_array($media_names) && $media_type != 'Code')
foreach ((array)$media_names as $media_name)
if (in_array(strtolower(substr($media_name, -3)), $accepted_extensions)) {
$mp3count++;
?>
<item>
<guid><?php echo sb_podcast_file_url($media_name, $media_type) ?></guid>
<title><?php echo sb_xml_entity_encode(stripslashes($sermon->title)) ?></title>
<link><?php echo sb_display_url().sb_query_char().'sermon_id='.$sermon->id ?></link>
<itunes:author><?php echo sb_xml_entity_encode(stripslashes($sermon->preacher)) ?></itunes:author>
<?php if ($sermon->description) { ?>
<description><![CDATA[<?php echo stripslashes($sermon->description) ?>]]></description>
<itunes:summary><![CDATA[<?php echo stripslashes($sermon->description) ?>]]></itunes:summary>
<?php } ?>
<enclosure url="<?php echo sb_podcast_file_url($media_name, $media_type).'" '.sb_media_size($media_name, $media_type).sb_mime_type($media_name); ?> />
<?php $duration = sb_mp3_duration($media_name, $media_type);
if ($duration) { ?>
<itunes:duration><?php echo $duration ?></itunes:duration><?php } ?>
<category><?php echo sb_xml_entity_encode(stripslashes($sermon->service)) ?></category>
<pubDate><?php sb_print_iso_date($sermon) ?></pubDate>
</item>
<?php
}
}
}
?>
</channel>
</rss>
<?php die(); ?>