ttrss/backend.php

477 lines
12 KiB
PHP

<?php
set_include_path(get_include_path() . PATH_SEPARATOR . "include");
/* remove ill effects of magic quotes */
if (get_magic_quotes_gpc()) {
function stripslashes_deep($value) {
$value = is_array($value) ?
array_map('stripslashes_deep', $value) : stripslashes($value);
return $value;
}
$_POST = array_map('stripslashes_deep', $_POST);
$_GET = array_map('stripslashes_deep', $_GET);
$_COOKIE = array_map('stripslashes_deep', $_COOKIE);
$_REQUEST = array_map('stripslashes_deep', $_REQUEST);
}
function __autoload($class) {
$file = "classes/".strtolower(basename($class)).".php";
if (file_exists($file)) {
require $file;
}
}
$op = $_REQUEST["op"];
require_once "functions.php";
if ($op != "share") require_once "sessions.php";
require_once "sanity_check.php";
require_once "config.php";
require_once "db.php";
require_once "db-prefs.php";
no_cache_incantation();
startup_gettext();
$script_started = getmicrotime();
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
if (!$link) {
if (DB_TYPE == "mysql") {
print mysql_error();
}
// PG seems to display its own errors just fine by default.
return;
}
init_connection($link);
$method = strtolower($_REQUEST["method"]);
$mode = $_REQUEST["mode"];
if ((!$op || $op == "rss" || $op == "dlg") && !$_REQUEST["noxml"]) {
header("Content-Type: application/xml; charset=utf-8");
} else {
header("Content-Type: text/plain; charset=utf-8");
}
if (ENABLE_GZIP_OUTPUT) {
ob_start("ob_gzhandler");
}
if (SINGLE_USER_MODE) {
authenticate_user($link, "admin", null);
}
$public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share",
"fbexport", "logout", "pubsub");
if (array_search($op, $public_calls) !== false) {
handle_public_request($link, $op);
return;
} else if (!($_SESSION["uid"] && validate_session($link))) {
if ($op == 'pref-feeds' && $_REQUEST['method'] == 'add') {
header("Content-Type: text/html");
login_sequence($link);
render_login_form($link);
} else {
header("Content-Type: text/plain");
print json_encode(array("error" => array("code" => 6)));
}
return;
}
$purge_intervals = array(
0 => __("Use default"),
-1 => __("Never purge"),
5 => __("1 week old"),
14 => __("2 weeks old"),
31 => __("1 month old"),
60 => __("2 months old"),
90 => __("3 months old"));
$update_intervals = array(
0 => __("Default interval"),
-1 => __("Disable updates"),
15 => __("Each 15 minutes"),
30 => __("Each 30 minutes"),
60 => __("Hourly"),
240 => __("Each 4 hours"),
720 => __("Each 12 hours"),
1440 => __("Daily"),
10080 => __("Weekly"));
$update_intervals_nodefault = array(
-1 => __("Disable updates"),
15 => __("Each 15 minutes"),
30 => __("Each 30 minutes"),
60 => __("Hourly"),
240 => __("Each 4 hours"),
720 => __("Each 12 hours"),
1440 => __("Daily"),
10080 => __("Weekly"));
$update_methods = array(
0 => __("Default"),
1 => __("Magpie"),
2 => __("SimplePie"),
3 => __("Twitter OAuth"));
if (DEFAULT_UPDATE_METHOD == "1") {
$update_methods[0] .= ' (SimplePie)';
} else {
$update_methods[0] .= ' (Magpie)';
}
$access_level_names = array(
0 => __("User"),
5 => __("Power User"),
10 => __("Administrator"));
$error = sanity_check($link);
if ($error['code'] != 0 && $op != "logout") {
print json_encode(array("error" => $error));
return;
}
if (class_exists($op)) {
$handler = new $op($link, $_REQUEST);
if ($handler) {
if ($handler->before()) {
if (method_exists($handler, $method)) {
return $handler->$method();
}
}
}
}
switch($op) { // Select action according to $op value.
case "feeds":
$method = $_REQUEST["method"];
$root = (bool)$_REQUEST["root"];
switch($method) {
case "catchupAll":
db_query($link, "UPDATE ttrss_user_entries SET
last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
ccache_zero_all($link, $_SESSION["uid"]);
break;
case "collapse":
$cat_id = db_escape_string($_REQUEST["cid"]);
$mode = (int) db_escape_string($_REQUEST['mode']);
toggle_collapse_cat($link, $cat_id, $mode);
return;
break;
}
if (!$root) {
print json_encode(outputFeedList($link));
} else {
$feeds = outputFeedList($link, false);
$root = array();
$root['id'] = 'root';
$root['name'] = __('Feeds');
$root['items'] = $feeds['items'];
$fl = array();
$fl['identifier'] = 'id';
$fl['label'] = 'name';
$fl['items'] = array($root);
print json_encode($fl);
}
break; // feeds
case "la":
$id = db_escape_string($_REQUEST['id']);
$result = db_query($link, "SELECT link FROM ttrss_entries, ttrss_user_entries
WHERE id = '$id' AND id = ref_id AND owner_uid = '".$_SESSION['uid']."'
LIMIT 1");
if (db_num_rows($result) == 1) {
$article_url = db_fetch_result($result, 0, 'link');
$article_url = str_replace("\n", "", $article_url);
header("Location: $article_url");
return;
} else {
print_error(__("Article not found."));
}
break;
case "view":
$id = db_escape_string($_REQUEST["id"]);
$cids = explode(",", db_escape_string($_REQUEST["cids"]));
$mode = db_escape_string($_REQUEST["mode"]);
$omode = db_escape_string($_REQUEST["omode"]);
// in prefetch mode we only output requested cids, main article
// just gets marked as read (it already exists in client cache)
$articles = array();
if ($mode == "") {
array_push($articles, format_article($link, $id, false));
} else if ($mode == "zoom") {
array_push($articles, format_article($link, $id, true, true));
} else if ($mode == "raw") {
if ($_REQUEST['html']) {
header("Content-Type: text/html");
print '<link rel="stylesheet" type="text/css" href="tt-rss.css"/>';
}
$article = format_article($link, $id, false);
print $article['content'];
return;
}
catchupArticleById($link, $id, 0);
if (!$_SESSION["bw_limit"]) {
foreach ($cids as $cid) {
if ($cid) {
array_push($articles, format_article($link, $cid, false, false));
}
}
}
print json_encode($articles);
break; // view
case "viewfeed":
$timing_info = getmicrotime();
$reply = array();
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("0", $timing_info);
$omode = db_escape_string($_REQUEST["omode"]);
$feed = db_escape_string($_REQUEST["feed"]);
$method = db_escape_string($_REQUEST["method"]);
$view_mode = db_escape_string($_REQUEST["view_mode"]);
$limit = (int) get_pref($link, "DEFAULT_ARTICLE_LIMIT");
@$cat_view = db_escape_string($_REQUEST["cat"]) == "true";
@$next_unread_feed = db_escape_string($_REQUEST["nuf"]);
@$offset = db_escape_string($_REQUEST["skip"]);
@$vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]);
$order_by = db_escape_string($_REQUEST["order_by"]);
if (is_numeric($feed)) $feed = (int) $feed;
/* Feed -5 is a special case: it is used to display auxiliary information
* when there's nothing to load - e.g. no stuff in fresh feed */
if ($feed == -5) {
print json_encode(generate_dashboard_feed($link));
return;
}
$result = false;
if ($feed < -10) {
$label_feed = -11-$feed;
$result = db_query($link, "SELECT id FROM ttrss_labels2 WHERE
id = '$label_feed' AND owner_uid = " . $_SESSION['uid']);
} else if (!$cat_view && is_numeric($feed) && $feed > 0) {
$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
id = '$feed' AND owner_uid = " . $_SESSION['uid']);
} else if ($cat_view && is_numeric($feed) && $feed > 0) {
$result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE
id = '$feed' AND owner_uid = " . $_SESSION['uid']);
}
if ($result && db_num_rows($result) == 0) {
print json_encode(generate_error_feed($link, __("Feed not found.")));
return;
}
/* Updating a label ccache means recalculating all of the caches
* so for performance reasons we don't do that here */
if ($feed >= 0) {
ccache_update($link, $feed, $_SESSION["uid"], $cat_view);
}
set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
set_pref($link, "_DEFAULT_VIEW_ORDER_BY", $order_by);
if (!$cat_view && preg_match("/^[0-9][0-9]*$/", $feed)) {
db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()
WHERE id = '$feed' AND owner_uid = ".$_SESSION["uid"]);
}
$reply['headlines'] = array();
if (!$next_unread_feed)
$reply['headlines']['id'] = $feed;
else
$reply['headlines']['id'] = $next_unread_feed;
$reply['headlines']['is_cat'] = (bool) $cat_view;
$override_order = false;
if (get_pref($link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
$date_sort_field = "updated";
} else {
$date_sort_field = "date_entered";
}
switch ($order_by) {
case "date":
if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
$override_order = "$date_sort_field";
} else {
$override_order = "$date_sort_field DESC";
}
break;
case "title":
if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
$override_order = "title DESC, $date_sort_field";
} else {
$override_order = "title, $date_sort_field DESC";
}
break;
case "score":
if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
$override_order = "score, $date_sort_field";
} else {
$override_order = "score DESC, $date_sort_field DESC";
}
break;
}
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("04", $timing_info);
$ret = format_headlines_list($link, $feed, $method,
$view_mode, $limit, $cat_view, $next_unread_feed, $offset,
$vgroup_last_feed, $override_order);
$topmost_article_ids = $ret[0];
$headlines_count = $ret[1];
$returned_feed = $ret[2];
$disable_cache = $ret[3];
$vgroup_last_feed = $ret[4];
// if ($_REQUEST["debug"]) print_r($ret);
$reply['headlines']['content'] =& $ret[5]['content'];
$reply['headlines']['toolbar'] =& $ret[5]['toolbar'];
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("05", $timing_info);
$reply['headlines-info'] = array("count" => (int) $headlines_count,
"vgroup_last_feed" => $vgroup_last_feed,
"disable_cache" => (bool) $disable_cache);
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("20", $timing_info);
if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE') && !$_SESSION["bw_limit"]) {
$articles = array();
foreach ($topmost_article_ids as $id) {
array_push($articles, format_article($link, $id, false));
}
$reply['articles'] = $articles;
}
// if ($method) {
// $reply['counters'] = getAllCounters($link, $omode, $feed);
// }
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("30", $timing_info);
$reply['runtime-info'] = make_runtime_info($link);
print json_encode($reply);
break; // viewfeed
case "pref-feeds":
require_once "modules/pref-feeds.php";
module_pref_feeds($link);
break; // pref-feeds
case "pref-filters":
require_once "modules/pref-filters.php";
module_pref_filters($link);
break; // pref-filters
case "pref-labels":
require_once "modules/pref-labels.php";
module_pref_labels($link);
break; // pref-labels
case "pref-prefs":
require_once "modules/pref-prefs.php";
module_pref_prefs($link);
break; // pref-prefs
case "pref-users":
require_once "modules/pref-users.php";
module_pref_users($link);
break; // prefs-users
case "help":
require_once "modules/help.php";
module_help($link);
break; // help
case "dlg":
require_once "modules/popup-dialog.php";
module_popup_dialog($link);
break; // dlg
case "pref-instances":
require_once "modules/pref-instances.php";
module_pref_instances($link);
break; // pref-instances
case "digestTest":
print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
break; // digestTest
case "digestSend":
send_headlines_digests($link);
break; // digestSend
case "loading":
header("Content-type: text/html");
print __("Loading, please wait...") . " " .
"<img src='images/indicator_tiny.gif'>";
break; // loading
default:
header("Content-Type: text/plain");
print json_encode(array("error" => array("code" => 7)));
break; // fallback
} // Select action according to $op value.
// We close the connection to database.
db_close($link);
?>