ttrss/classes/handler/public.php

708 lines
20 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"]);
$result = db_query($this->link, "SELECT * FROM ttrss_settings_profiles,ttrss_users
WHERE ttrss_users.id = ttrss_settings_profiles.owner_uid AND login = '$login' ORDER BY title");
print "<select dojoType='dijit.form.Select' style='width : 220px; margin : 0px' name='profile'>";
print "<option value='0'>" . __("Default profile") . "</option>";
while ($line = db_fetch_assoc($result)) {
$id = $line["id"];
$title = $line["title"];
print "<option value='$id'>$title</option>";
}
print "</select>";
}
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 == 'share') {
$title = db_escape_string(strip_tags($_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 {
$title = htmlspecialchars($_REQUEST["title"]);
$url = htmlspecialchars($_REQUEST["url"]);
?>
<table height='100%' width='100%'><tr><td colspan='2'>
<h1><?php echo __("Share with Tiny Tiny RSS") ?></h1>
</td></tr>
<form id='share_form' name='share_form'>
<input type="hidden" name="op" value="sharepopup">
<input type="hidden" name="action" value="share">
<tr><td><?php echo __("Title:") ?></td>
<td width='80%'><input name='title' value="<?php echo $title ?>"></td></tr>
<tr><td><?php echo __("URL:") ?></td>
<td><input name='url' value="<?php echo $url ?>"></td></tr>
<tr><td><?php __("Content:") ?></td>
<td><input name='content' value=""></td></tr>
<script type='text/javascript'>document.forms[0].title.focus();</script>
<tr><td colspan='2'>
<div style='float : right' class='insensitive-small'>
<?php echo __("Shared article will appear in the Published feed.") ?>
</div>
<button type="submit"><?php echo __('Share') ?></button>
<button onclick="return window.close()"><?php echo __('Cancel') ?></button>
</div>
</form>
</td></tr></table>
</body></html>
<?php
}
} else {
$return = urlencode($_SERVER["REQUEST_URI"])
?>
<form action="public.php?return=<?php echo $return ?>"
method="POST" id="loginForm" name="loginForm" onsubmit="return validateLoginForm(this)">
<input type="hidden" name="op" value="login">
<table height='100%' width='100%'><tr><td colspan='2'>
<tr><td colspan='2'><h1><?php echo __("Not logged in") ?></h1></td></tr>
<tr><td align="right"><?php echo __("Login:") ?></td>
<td align="right"><input name="login"
value="<?php echo $_SESSION["fake_login"] ?>"></td></tr>
<tr><td align="right"><?php echo __("Password:") ?></td>
<td align="right"><input type="password" name="password"
value="<?php echo $_SESSION["fake_password"] ?>"></td></tr>
<tr><td align="right"><?php echo __("Language:") ?></td>
<td align="right">
<?php
print_select_hash("language", $_COOKIE["ttrss_lang"], get_translations(),
"style='width : 100%''");
?>
</td></tr>
<tr><td colspan='2'>
<button type="submit">
<?php echo __('Log in') ?></button>
<button onclick="return window.close()">
<?php echo __('Cancel') ?></button>
</td></tr>
</table>
</form>
<?php
}
}
function login() {
$_SESSION["prefs_cache"] = array();
if (!SINGLE_USER_MODE) {
$login = db_escape_string($_POST["login"]);
$password = $_POST["password"];
$remember_me = $_POST["remember_me"];
if (authenticate_user($this->link, $login, $password)) {
$_POST["password"] = "";
$_SESSION["language"] = $_POST["language"];
$_SESSION["ref_schema_version"] = get_schema_version($this->link, true);
$_SESSION["bw_limit"] = !!$_POST["bw_limit"];
if ($_POST["profile"]) {
$profile = db_escape_string($_POST["profile"]);
$result = db_query($this->link, "SELECT id FROM ttrss_settings_profiles
WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
if (db_num_rows($result) != 0) {
$_SESSION["profile"] = $profile;
$_SESSION["prefs_cache"] = array();
}
}
} else {
$_SESSION["login_error_msg"] = __("Incorrect username or password");
}
if ($_REQUEST['return']) {
header("Location: " . $_REQUEST['return']);
} else {
header("Location: " . SELF_URL_PATH);
}
}
}
function subscribe() {
if ($_SESSION["uid"]) {
$feed_url = db_escape_string(trim($_REQUEST["feed_url"]));
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\">
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
</head>
<body>
<img class=\"floatingLogo\" src=\"images/logo_wide.png\"
alt=\"Tiny Tiny RSS\"/>
<h1>".__("Subscribe to feed...")."</h1>";
$rc = subscribe_to_feed($this->link, $feed_url);
switch ($rc['code']) {
case 0:
print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
break;
case 1:
print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
break;
case 2:
print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
break;
case 3:
print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
break;
case 4:
print_notice(__("Multiple feed URLs found."));
$feed_urls = get_feeds_from_html($feed_url);
break;
case 5:
print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
break;
}
if ($feed_urls) {
print "<form action=\"public.php\">";
print "<input type=\"hidden\" name=\"op\" value=\"subscribe\">";
print "<select name=\"feed_url\">";
foreach ($feed_urls as $url => $name) {
$url = htmlspecialchars($url);
$name = htmlspecialchars($name);
print "<option value=\"$url\">$name</option>";
}
print "<input type=\"submit\" value=\"".__("Subscribe to selected feed").
"\">";
print "</form>";
}
$tp_uri = get_self_url_prefix() . "/prefs.php";
$tt_uri = get_self_url_prefix();
if ($rc['code'] <= 2){
$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
$feed_id = db_fetch_result($result, 0, "id");
} else {
$feed_id = 0;
}
print "<p>";
if ($feed_id) {
print "<form method=\"GET\" style='display: inline'
action=\"$tp_uri\">
<input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
<input type=\"hidden\" name=\"method\" value=\"editFeed\">
<input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
<input type=\"submit\" value=\"".__("Edit subscription options")."\">
</form>";
}
print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
<input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
</form></p>";
print "</body></html>";
} else {
render_login_form($this->link);
}
}
function subscribe2() {
$feed_url = db_escape_string(trim($_REQUEST["feed_url"]));
$cat_id = db_escape_string($_REQUEST["cat_id"]);
$from = db_escape_string($_REQUEST["from"]);
/* only read authentication information from POST */
$auth_login = db_escape_string(trim($_POST["auth_login"]));
$auth_pass = db_escape_string(trim($_POST["auth_pass"]));
$rc = subscribe_to_feed($this->link, $feed_url, $cat_id, $auth_login, $auth_pass);
switch ($rc) {
case 1:
print_notice(T_sprintf("Subscribed to <b>%s</b>.", $feed_url));
break;
case 2:
print_error(T_sprintf("Could not subscribe to <b>%s</b>.", $feed_url));
break;
case 3:
print_error(T_sprintf("No feeds found in <b>%s</b>.", $feed_url));
break;
case 0:
print_warning(T_sprintf("Already subscribed to <b>%s</b>.", $feed_url));
break;
case 4:
print_notice(__("Multiple feed URLs found."));
$feed_urls = get_feeds_from_html($feed_url);
break;
case 5:
print_error(T_sprintf("Could not subscribe to <b>%s</b>.<br>Can't download the Feed URL.", $feed_url));
break;
}
if ($feed_urls) {
print "<form action=\"backend.php\">";
print "<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">";
print "<input type=\"hidden\" name=\"quiet\" value=\"1\">";
print "<input type=\"hidden\" name=\"method\" value=\"add\">";
print "<select name=\"feed_url\">";
foreach ($feed_urls as $url => $name) {
$url = htmlspecialchars($url);
$name = htmlspecialchars($name);
print "<option value=\"$url\">$name</option>";
}
print "<input type=\"submit\" value=\"".__("Subscribe to selected feed")."\">";
print "</form>";
}
$tp_uri = get_self_url_prefix() . "/prefs.php";
$tt_uri = get_self_url_prefix();
if ($rc <= 2){
$result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
feed_url = '$feed_url' AND owner_uid = " . $_SESSION["uid"]);
$feed_id = db_fetch_result($result, 0, "id");
} else {
$feed_id = 0;
}
print "<p>";
if ($feed_id) {
print "<form method=\"GET\" style='display: inline'
action=\"$tp_uri\">
<input type=\"hidden\" name=\"tab\" value=\"feedConfig\">
<input type=\"hidden\" name=\"method\" value=\"editFeed\">
<input type=\"hidden\" name=\"methodparam\" value=\"$feed_id\">
<input type=\"submit\" value=\"".__("Edit subscription options")."\">
</form>";
}
print "<form style='display: inline' method=\"GET\" action=\"$tt_uri\">
<input type=\"submit\" value=\"".__("Return to Tiny Tiny RSS")."\">
</form></p>";
print "</body></html>";
}
function index() {
header("Content-Type: text/plain");
print json_encode(array("error" => array("code" => 7)));
}
}
?>