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tt-rss/classes/handler/public.php

452 lines
12 KiB
PHP

<?php
class Handler_Public extends Handler {
private function generate_syndicated_feed($owner_uid, $feed, $is_cat,
$limit, $search, $search_mode, $match_on, $view_mode = false, $format = 'atom') {
require_once "lib/MiniTemplator.class.php";
$note_style = "background-color : #fff7d5;
border-width : 1px; ".
"padding : 5px; border-style : dashed; border-color : #e7d796;".
"margin-bottom : 1em; color : #9a8c59;";
if (!$limit) $limit = 100;
if (get_pref($this->link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
$date_sort_field = "updated";
} else {
$date_sort_field = "date_entered";
}
$qfh_ret = queryFeedHeadlines($this->link, $feed,
$limit, $view_mode, $is_cat, $search, $search_mode,
$match_on, "$date_sort_field DESC", 0, $owner_uid);
$result = $qfh_ret[0];
$feed_title = htmlspecialchars($qfh_ret[1]);
$feed_site_url = $qfh_ret[2];
$last_error = $qfh_ret[3];
$feed_self_url = get_self_url_prefix() .
"/public.php?op=rss&id=-2&key=" .
get_feed_access_key($this->link, -2, false, $owner_uid);
if (!$feed_site_url) $feed_site_url = get_self_url_prefix();
if ($format == 'atom') {
$tpl = new MiniTemplator;
$tpl->readTemplateFromFile("templates/generated_feed.txt");
$tpl->setVariable('FEED_TITLE', $feed_title, true);
$tpl->setVariable('VERSION', VERSION, true);
$tpl->setVariable('FEED_URL', htmlspecialchars($feed_self_url), true);
if (PUBSUBHUBBUB_HUB && $feed == -2) {
$tpl->setVariable('HUB_URL', htmlspecialchars(PUBSUBHUBBUB_HUB), true);
$tpl->addBlock('feed_hub');
}
$tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
while ($line = db_fetch_assoc($result)) {
$tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
$tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
$tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
$tpl->setVariable('ARTICLE_EXCERPT',
truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
$content = sanitize($this->link, $line["content_preview"], false, $owner_uid);
if ($line['note']) {
$content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
$content;
}
$tpl->setVariable('ARTICLE_CONTENT', $content, true);
$tpl->setVariable('ARTICLE_UPDATED_ATOM',
date('c', strtotime($line["updated"])), true);
$tpl->setVariable('ARTICLE_UPDATED_RFC822',
date(DATE_RFC822, strtotime($line["updated"])), true);
$tpl->setVariable('ARTICLE_AUTHOR', htmlspecialchars($line['author']), true);
$tags = get_article_tags($this->link, $line["id"], $owner_uid);
foreach ($tags as $tag) {
$tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
$tpl->addBlock('category');
}
$enclosures = get_article_enclosures($this->link, $line["id"]);
foreach ($enclosures as $e) {
$type = htmlspecialchars($e['content_type']);
$url = htmlspecialchars($e['content_url']);
$length = $e['duration'];
$tpl->setVariable('ARTICLE_ENCLOSURE_URL', $url, true);
$tpl->setVariable('ARTICLE_ENCLOSURE_TYPE', $type, true);
$tpl->setVariable('ARTICLE_ENCLOSURE_LENGTH', $length, true);
$tpl->addBlock('enclosure');
}
$tpl->addBlock('entry');
}
$tmp = "";
$tpl->addBlock('feed');
$tpl->generateOutputToString($tmp);
header("Content-Type: text/xml; charset=utf-8");
print $tmp;
} else if ($format == 'json') {
$feed = array();
$feed['title'] = $feed_title;
$feed['version'] = VERSION;
$feed['feed_url'] = $feed_self_url;
if (PUBSUBHUBBUB_HUB && $feed == -2) {
$feed['hub_url'] = PUBSUBHUBBUB_HUB;
}
$feed['self_url'] = get_self_url_prefix();
$feed['articles'] = array();
while ($line = db_fetch_assoc($result)) {
$article = array();
$article['id'] = $line['link'];
$article['link'] = $line['link'];
$article['title'] = $line['title'];
$article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
$article['content'] = sanitize($this->link, $line["content_preview"], false, $owner_uid);
$article['updated'] = date('c', strtotime($line["updated"]));
if ($line['note']) $article['note'] = $line['note'];
if ($article['author']) $article['author'] = $line['author'];
$tags = get_article_tags($this->link, $line["id"], $owner_uid);
if (count($tags) > 0) {
$article['tags'] = array();
foreach ($tags as $tag) {
array_push($article['tags'], $tag);
}
}
$enclosures = get_article_enclosures($this->link, $line["id"]);
if (count($enclosures) > 0) {
$article['enclosures'] = array();
foreach ($enclosures as $e) {
$type = $e['content_type'];
$url = $e['content_url'];
$length = $e['duration'];
array_push($article['enclosures'], array("url" => $url, "type" => $type, "length" => $length));
}
}
array_push($feed['articles'], $article);
}
header("Content-Type: text/plain; charset=utf-8");
print json_encode($feed);
} else {
header("Content-Type: text/plain; charset=utf-8");
print json_encode(array("error" => array("message" => "Unknown format")));
}
}
function getUnread() {
$login = db_escape_string($_REQUEST["login"]);
$fresh = $_REQUEST["fresh"] == "1";
$result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$login'");
if (db_num_rows($result) == 1) {
$uid = db_fetch_result($result, 0, "id");
print getGlobalUnread($this->link, $uid);
if ($fresh) {
print ";";
print getFeedArticles($this->link, -3, false, true, $uid);
}
} else {
print "-1;User not found";
}
}
function getProfiles() {
$login = db_escape_string($_REQUEST["login"]);
$password = db_escape_string($_REQUEST["password"]);
if (authenticate_user($this->link, $login, $password)) {
$result = db_query($this->link, "SELECT * FROM ttrss_settings_profiles
WHERE owner_uid = " . $_SESSION["uid"] . " ORDER BY title");
print "<select style='width: 100%' name='profile'>";
print "<option value='0'>" . __("Default profile") . "</option>";
while ($line = db_fetch_assoc($result)) {
$id = $line["id"];
$title = $line["title"];
print "<option value='$id'>$title</option>";
}
print "</select>";
$_SESSION = array();
}
}
function pubsub() {
$mode = db_escape_string($_REQUEST['hub_mode']);
$feed_id = (int) db_escape_string($_REQUEST['id']);
$feed_url = db_escape_string($_REQUEST['hub_topic']);
if (!PUBSUBHUBBUB_ENABLED) {
header('HTTP/1.0 404 Not Found');
echo "404 Not found";
return;
}
// TODO: implement hub_verifytoken checking
$result = db_query($this->link, "SELECT feed_url FROM ttrss_feeds
WHERE id = '$feed_id'");
if (db_num_rows($result) != 0) {
$check_feed_url = db_fetch_result($result, 0, "feed_url");
if ($check_feed_url && ($check_feed_url == $feed_url || !$feed_url)) {
if ($mode == "subscribe") {
db_query($this->link, "UPDATE ttrss_feeds SET pubsub_state = 2
WHERE id = '$feed_id'");
print $_REQUEST['hub_challenge'];
return;
} else if ($mode == "unsubscribe") {
db_query($this->link, "UPDATE ttrss_feeds SET pubsub_state = 0
WHERE id = '$feed_id'");
print $_REQUEST['hub_challenge'];
return;
} else if (!$mode) {
// Received update ping, schedule feed update.
//update_rss_feed($this->link, $feed_id, true, true);
db_query($this->link, "UPDATE ttrss_feeds SET
last_update_started = '1970-01-01',
last_updated = '1970-01-01' WHERE id = '$feed_id'");
}
} else {
header('HTTP/1.0 404 Not Found');
echo "404 Not found";
}
} else {
header('HTTP/1.0 404 Not Found');
echo "404 Not found";
}
}
function logout() {
logout_user();
header("Location: index.php");
}
function fbexport() {
$access_key = db_escape_string($_POST["key"]);
// TODO: rate limit checking using last_connected
$result = db_query($this->link, "SELECT id FROM ttrss_linked_instances
WHERE access_key = '$access_key'");
if (db_num_rows($result) == 1) {
$instance_id = db_fetch_result($result, 0, "id");
$result = db_query($this->link, "SELECT feed_url, site_url, title, subscribers
FROM ttrss_feedbrowser_cache ORDER BY subscribers DESC LIMIT 100");
$feeds = array();
while ($line = db_fetch_assoc($result)) {
array_push($feeds, $line);
}
db_query($this->link, "UPDATE ttrss_linked_instances SET
last_status_in = 1 WHERE id = '$instance_id'");
print json_encode(array("feeds" => $feeds));
} else {
print json_encode(array("error" => array("code" => 6)));
}
}
function share() {
$uuid = db_escape_string($_REQUEST["key"]);
$result = db_query($this->link, "SELECT ref_id, owner_uid FROM ttrss_user_entries WHERE
uuid = '$uuid'");
if (db_num_rows($result) != 0) {
header("Content-Type: text/html");
$id = db_fetch_result($result, 0, "ref_id");
$owner_uid = db_fetch_result($result, 0, "owner_uid");
$article = format_article($this->link, $id, false, true, $owner_uid);
print_r($article['content']);
} else {
print "Article not found.";
}
}
function rss() {
$feed = db_escape_string($_REQUEST["id"]);
$key = db_escape_string($_REQUEST["key"]);
$is_cat = $_REQUEST["is_cat"] != false;
$limit = (int)db_escape_string($_REQUEST["limit"]);
$search = db_escape_string($_REQUEST["q"]);
$match_on = db_escape_string($_REQUEST["m"]);
$search_mode = db_escape_string($_REQUEST["smode"]);
$view_mode = db_escape_string($_REQUEST["view-mode"]);
$format = db_escape_string($_REQUEST['format']);
if (!$format) $format = 'atom';
if (SINGLE_USER_MODE) {
authenticate_user($this->link, "admin", null);
}
$owner_id = false;
if ($key) {
$result = db_query($this->link, "SELECT owner_uid FROM
ttrss_access_keys WHERE access_key = '$key' AND feed_id = '$feed'");
if (db_num_rows($result) == 1)
$owner_id = db_fetch_result($result, 0, "owner_uid");
}
if ($owner_id) {
$this->generate_syndicated_feed($owner_id, $feed, $is_cat, $limit,
$search, $search_mode, $match_on, $view_mode, $format);
} else {
header('HTTP/1.1 403 Forbidden');
}
}
function globalUpdateFeeds() {
include "rssfuncs.php";
// Update all feeds needing a update.
update_daemon_common($this->link, 0, true, false);
}
function sharepopup() {
header('Content-Type: text/html; charset=utf-8');
print "<html>
<head>
<title>Tiny Tiny RSS</title>
<link rel=\"stylesheet\" type=\"text/css\" href=\"utility.css\">
<script type=\"text/javascript\" src=\"lib/prototype.js\"></script>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
</head>
<body id='sharepopup'>";
$action = $_REQUEST["action"];
if ($_SESSION["uid"]) {
if (!$action) {
print "<table height='100%' width='100%'><tr><td colspan='2'>";
print "<h1>".__("Share with Tiny Tiny RSS")."</h1>";
print "</td></tr>";
print "<form id='share_form' name='share_form'>";
print "<input type=\"hidden\" name=\"op\" value=\"sharepopup\">";
print "<input type=\"hidden\" name=\"action\" value=\"share\">";
$title = htmlspecialchars($_REQUEST["title"]);
$url = htmlspecialchars($_REQUEST["url"]);
print "<tr><td>".__("Title:")."</td><td width='80%'><input name='title' value=\"$title\"></td></tr>";
print "<tr><td>".__("URL:")."</td><td><input name='url' value=\"$url\"></td></tr>";
print "<tr><td>".__("Content:")."</td><td><input name='content' value=\"\"></td></tr>";
print "<script type='text/javascript'>";
print "document.forms[0].title.focus();";
print "</script>";
print "<tr><td colspan='2'>
<div style='float : right' class='insensitive-small'>".
__("Shared article will appear in the Published feed.").
"</div><button type=\"submit\">".
__('Share')."</button>
<button onclick=\"return window.close()\">".
__('Cancel')."</button>
</div>";
print "</form>";
print "</td></tr></table>";
print "</body></html>";
} else {
$title = db_escape_string(strip_tags($_REQUEST["title"]));
$url = db_escape_string(strip_tags($_REQUEST["url"]));
$content = db_escape_string(strip_tags($_REQUEST["content"]));
create_published_article($this->link, $title, $url, $content, $_SESSION["uid"]);
print "<script type='text/javascript'>";
print "window.close();";
print "</script>";
}
} else {
print "<table><tr><td>" . __("Not logged in.") . "</td></tr></table>";
}
}
}
?>