public/rss: implement JSON output format
This commit is contained in:
Andrew Dolgov
parent
46b781491b
commit
2ebf38a9bd
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@ -2,7 +2,7 @@
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class Handler_Public extends Handler {
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private function generate_syndicated_feed($owner_uid, $feed, $is_cat,
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$limit, $search, $search_mode, $match_on, $view_mode = false) {
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$limit, $search, $search_mode, $match_on, $view_mode = false, $format = 'atom') {
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require_once "lib/MiniTemplator.class.php";
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@ -34,74 +34,141 @@ class Handler_Public extends Handler {
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if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
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$tpl = new MiniTemplator;
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if ($format == 'atom') {
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$tpl = new MiniTemplator;
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$tpl->readTemplateFromFile("templates/generated_feed.txt");
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$tpl->readTemplateFromFile("templates/generated_feed.txt");
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$tpl->setVariable('FEED_TITLE', $feed_title, true);
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$tpl->setVariable('VERSION', VERSION, true);
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$tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
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$tpl->setVariable('FEED_TITLE', $feed_title, true);
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$tpl->setVariable('VERSION', VERSION, true);
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$tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
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if (PUBSUBHUBBUB_HUB && $feed == -2) {
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$tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
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$tpl->addBlock('feed_hub');
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if (PUBSUBHUBBUB_HUB && $feed == -2) {
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$tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
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$tpl->addBlock('feed_hub');
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}
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$tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
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while ($line = db_fetch_assoc($result)) {
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$tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
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$tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
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$tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
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$tpl->setVariable('ARTICLE_EXCERPT',
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truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
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$content = sanitize($this->link, $line["content_preview"], false, $owner_uid);
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if ($line['note']) {
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$content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
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$content;
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}
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$tpl->setVariable('ARTICLE_CONTENT', $content, true);
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$tpl->setVariable('ARTICLE_UPDATED_ATOM',
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date('c', strtotime($line["updated"])), true);
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$tpl->setVariable('ARTICLE_UPDATED_RFC822',
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date(DATE_RFC822, strtotime($line["updated"])), true);
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$tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
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$tags = get_article_tags($this->link, $line["id"], $owner_uid);
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foreach ($tags as $tag) {
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$tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
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$tpl->addBlock('category');
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}
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$enclosures = get_article_enclosures($this->link, $line["id"]);
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foreach ($enclosures as $e) {
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$type = htmlspecialchars($e['content_type']);
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$url = htmlspecialchars($e['content_url']);
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$length = $e['duration'];
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$tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
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$tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
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$tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
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$tpl->addBlock('enclosure');
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}
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$tpl->addBlock('entry');
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}
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$tmp = "";
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$tpl->addBlock('feed');
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$tpl->generateOutputToString($tmp);
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header("Content-Type: text/xml; charset=utf-8");
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print $tmp;
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} else if ($format == 'json') {
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$feed = array();
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$feed['title'] = $feed_title;
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$feed['version'] = VERSION;
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$feed['feed_url'] = $feed_self_url;
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if (PUBSUBHUBBUB_HUB && $feed == -2) {
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$feed['hub_url'] = PUBSUBHUBBUB_HUB;
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}
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$feed['self_url'] = get_self_url_prefix();
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$feed['articles'] = array();
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while ($line = db_fetch_assoc($result)) {
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$article = array();
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$article['id'] = $line['link'];
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$article['link'] = $line['link'];
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$article['title'] = $line['title'];
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$article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
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$article['content'] = sanitize($this->link, $line["content_preview"], false, $owner_uid);
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$article['updated'] = date('c', strtotime($line["updated"]));
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if ($line['note']) $article['note'] = $line['note'];
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if ($article['author']) $article['author'] = $line['author'];
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$tags = get_article_tags($this->link, $line["id"], $owner_uid);
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if (count($tags) > 0) {
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$article['tags'] = array();
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foreach ($tags as $tag) {
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array_push($article['tags'], $tag);
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}
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}
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$enclosures = get_article_enclosures($this->link, $line["id"]);
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if (count($enclosures) > 0) {
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$article['enclosures'] = array();
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foreach ($enclosures as $e) {
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$type = $e['content_type'];
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$url = $e['content_url'];
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$length = $e['duration'];
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array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
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}
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}
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array_push($feed['articles'], $article);
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}
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header("Content-Type: text/plain; charset=utf-8");
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print json_encode($feed);
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} else {
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header("Content-Type: text/plain; charset=utf-8");
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print json_encode(array("error" => array("message" => "Unknown format")));
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}
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$tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
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while ($line = db_fetch_assoc($result)) {
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$tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
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$tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
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$tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
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$tpl->setVariable('ARTICLE_EXCERPT',
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truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
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$content = sanitize($this->link, $line["content_preview"], false, $owner_uid);
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if ($line['note']) {
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$content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
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$content;
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}
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$tpl->setVariable('ARTICLE_CONTENT', $content, true);
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$tpl->setVariable('ARTICLE_UPDATED_ATOM',
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date('c', strtotime($line["updated"])), true);
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$tpl->setVariable('ARTICLE_UPDATED_RFC822',
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date(DATE_RFC822, strtotime($line["updated"])), true);
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$tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
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$tags = get_article_tags($this->link, $line["id"], $owner_uid);
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foreach ($tags as $tag) {
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$tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
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$tpl->addBlock('category');
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}
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$enclosures = get_article_enclosures($this->link, $line["id"]);
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foreach ($enclosures as $e) {
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$type = htmlspecialchars($e['content_type']);
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$url = htmlspecialchars($e['content_url']);
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$length = $e['duration'];
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$tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
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$tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
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$tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
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$tpl->addBlock('enclosure');
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}
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$tpl->addBlock('entry');
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}
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$tmp = "";
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$tpl->addBlock('feed');
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$tpl->generateOutputToString($tmp);
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print $tmp;
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}
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function getUnread() {
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@ -267,8 +334,6 @@ class Handler_Public extends Handler {
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}
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function rss() {
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header("Content-Type: text/xml; charset=utf-8");
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$feed = db_escape_string($_REQUEST["id"]);
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$key = db_escape_string($_REQUEST["key"]);
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$is_cat = $_REQUEST["is_cat"] != false;
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@ -279,6 +344,10 @@ class Handler_Public extends Handler {
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$search_mode = db_escape_string($_REQUEST["smode"]);
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$view_mode = db_escape_string($_REQUEST["view-mode"]);
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$format = db_escape_string($_REQUEST['format']);
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if (!$format) $format = 'atom';
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if (SINGLE_USER_MODE) {
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authenticate_user($this->link, "admin", null);
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}
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@ -295,7 +364,7 @@ class Handler_Public extends Handler {
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if ($owner_id) {
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$this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
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$search, $search_mode, $match_on, $view_mode);
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$search, $search_mode, $match_on, $view_mode, $format);
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} else {
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header('HTTP/1.1 403 Forbidden');
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}
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