forked from pellcorp/opendb
/
rss.php
187 lines (147 loc) · 6.78 KB
/
rss.php
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<?php
/*
Open Media Collectors Database
Copyright (C) 2001,2013 by Jason Pell
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// This must be first - includes config.php
require_once ("./include/begin.inc.php");
include_once("./lib/database.php");
include_once("./lib/auth.php");
include_once("./lib/logging.php");
include_once("./lib/datetime.php");
include_once("./lib/item_attribute.php");
include_once("./lib/rss.php");
include_once("./lib/whatsnew.php");
include_once("./lib/announcement.php");
function build_opendb_rss_feed($feed_config_r, $URL) {
$datemask = "DD Mon YYYY HH24:MI:SS";
switch ($feed_config_r ['feed']) {
case 'new_items' :
return build_new_items_feed ( $URL, $datemask );
case 'announcements' :
return build_announcements_feed ( $URL, $datemask );
}
//else
return FALSE;
}
function build_new_items_feed($URL, $datemask) {
$rssout = '';
$last_items_list_conf_r = get_opendb_config_var ( 'feeds.new_items' );
$list_item_rs = get_last_num_items_rs ( $last_items_list_conf_r ['total_num_items'], // number of items to return
NULL, //owner_id
NULL, // s_item_type
NULL, //update_on
NULL, // not_owner_id
NULL, // $site_url_prefix
'feeds' );
if (is_not_empty_array ( $list_item_rs )) {
reset ( $list_item_rs );
while ( list ( , $list_item_r ) = @each ( $list_item_rs ) ) {
$rssout .= "\n <item>" . "\n <title>" . rss_encoded ( $list_item_r ['title'] ) . "</title>" . "\n <link>" . rss_encoded ( $URL . $list_item_r ['item_display_url'] ) . "</link>" . "\n <pubDate>" . $list_item_r ['update_on'] . " " . date ( 'T' ) . "</pubDate>" . "\n <guid>" . rss_encoded ( $URL . $list_item_r ['item_display_url'] ) . "</guid>" . "\n <description>";
$results = fetch_item_attribute_type_rs ( $list_item_r ['s_item_type'], 'rss_ind' );
if ($results) {
$attribute_block = '';
while ( $item_attribute_type_r = db_fetch_assoc ( $results ) ) {
if (has_role_permission ( $item_attribute_type_r ['view_perm'] )) {
if (strlen ( $attribute_block ) > 0) {
$attribute_block .= "\n";
}
$attributes_r = fetch_attribute_val_r ( $list_item_r ['item_id'], $list_item_r ['instance_no'], $item_attribute_type_r ['s_attribute_type'], $item_attribute_type_r ['order_no'] );
if (is_array ( $attributes_r )) {
$attribute = "";
while ( list ( , $value ) = each ( $attributes_r ) ) {
if (strlen ( $attribute ) > 0)
$attribute .= ", ";
$attribute .= rss_encoded ( $value );
}
$attribute_block .= $attribute;
}
}
} //while
db_free_result ( $results );
$rssout .= $attribute_block;
}
$rssout .= "\n </description>" . "\n </item>";
}
}
return $rssout;
}
function build_announcements_feed($URL, $datemask) {
$rssout = '';
$last_items_list_conf_r = get_opendb_config_var ( 'feeds.announcements' );
// TODO - make the options here configurable
$result = fetch_announcement_rs ( NULL, //$order_by
"DESC", //$sortorder
0, //$start_index
$last_items_list_conf_r ['total_num_items'], //5, //$items_per_page
"N", //$limit_days
"Y" ); //$limit_closed
// Create the RSS item tags
if ($result && db_num_rows ( $result ) > 0) {
while ( $item_instance_r = db_fetch_assoc ( $result ) ) {
$rssout .= "\n <item>" . "\n <title>" . rss_encoded ( $item_instance_r ['title'] ) . "</title>" . "\n <link>" . rss_encoded ( $URL ) . "</link>" . "\n <pubDate>" . get_localised_timestamp ( $datemask, $item_instance_r ['submit_on'] ) . " " . date ( 'T' ) . "</pubDate>" . "\n <guid>" . rss_encoded ( $URL ) . "</guid>" . "\n <description>" . rss_encoded ( nl2br ( $item_instance_r ['content'] ) ) . "</description>" . "\n </item>";
}
db_free_result ( $result );
}
return $rssout;
}
// Returns text w/o characters that cause problems for xml
function rss_encoded($inString) {
return htmlspecialchars ( $inString );
}
if (is_site_enabled ()) {
if (is_opendb_valid_session () || is_site_public_access ()) {
if (strlen ( $HTTP_VARS ['feed'] ) == 0) {
echo _theme_header ( get_opendb_lang_var ( 'rss_feeds' ) );
echo "<h2>" . get_opendb_lang_var ( 'rss_feeds' ) . "</h2>";
$feeds_r = get_opendb_rss_feeds ();
echo "<ul id=\"rssfeeds\">";
reset ( $feeds_r );
while ( list ( , $feed_r ) = each ( $feeds_r ) ) {
echo ('<li><a href="' . $PHP_SELF . '?feed=' . $feed_r ['feed'] . '">' . $feed_r ['title'] . '</a></dd>');
}
echo "</ul>";
echo _theme_footer ();
} else {
@set_time_limit ( 600 );
$feed_config_r = get_opendb_rss_feed_config ( $HTTP_VARS ['feed'] );
if (is_not_empty_array ( $feed_config_r )) {
$URL = get_site_url ();
$rssoutput = '';
// Create the RSS header and channel information tags
header ( 'Content-type: text/xml' );
header ( "Content-disposition: inline; filename=${feed_config_r['feed']}.rss" );
$rssoutput .= "<?xml version=\"1.0\" encoding=\"utf-8\"?>" . "\n<rss version=\"2.0\">" . "\n<channel>" . "\n <title>" . rss_encoded ( get_opendb_config_var ( 'site', 'title' ) . " " . get_opendb_version () ) . "</title>" . "\n <link>" . $URL . "</link>" . "\n <description>" . $feed_config_r ['title'] . "</description>" . "\n <image>" . "\n <url>" . $URL . "images/icon.gif</url>" . "\n <title>" . rss_encoded ( get_opendb_config_var ( 'site', 'title' ) . " " . get_opendb_version () ) . "</title>" . "\n <link>" . $URL . "</link>" . "\n </image>";
$rssoutput .= build_opendb_rss_feed ( $feed_config_r, $URL );
// Create the end tags
$rssoutput .= "\n</channel>" . "\n</rss>";
if (function_exists ( "mb_convert_encoding" ) && function_exists ( "mb_detect_encoding" )) {
echo mb_convert_encoding ( $rssoutput, mb_detect_encoding ( $rssoutput ), "UTF-8" );
} else {
echo $rssoutput;
}
} else { //else if($HTTP_VARS['type'] == 'announcements')
opendb_operation_not_available();
}
}
} else { //not a valid session.
// invalid login, so login instead.
redirect_login ( $PHP_SELF, $HTTP_VARS );
}
} else { //if(is_site_enabled())
opendb_site_disabled();
}
// Cleanup after begin.inc.php
require_once ("./include/end.inc.php");
?>