ttrss/backend.php

626 lines
16 KiB
PHP

<?php
/* 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);
}
require_once "functions.php";
require_once "sessions.php";
require_once "modules/backend-rpc.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);
$op = $_REQUEST["op"];
$subop = $_REQUEST["subop"];
$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($link, "admin", null);
}
if (!($_SESSION["uid"] && validate_session($link)) && $op != "globalUpdateFeeds" &&
$op != "rss" && $op != "getUnread" && $op != "getProfiles" &&
$op != "fbexport" && $op != "logout" && $op != "pubsub") {
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"));
require_once "modules/pref-prefs.php";
require_once "modules/popup-dialog.php";
require_once "modules/help.php";
require_once "modules/pref-feeds.php";
require_once "modules/pref-filters.php";
require_once "modules/pref-labels.php";
require_once "modules/pref-users.php";
require_once "modules/pref-instances.php";
$error = sanity_check($link);
if ($error['code'] != 0 && $op != "logout") {
print json_encode(array("error" => $error));
return;
}
switch($op) { // Select action according to $op value.
case "rpc":
// Handle remote procedure calls.
handle_rpc_request($link);
break; // rpc
case "feeds":
$subop = $_REQUEST["subop"];
$root = (bool)$_REQUEST["root"];
switch($subop) {
case "catchupAll":
db_query($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']."'");
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"]);
$cids = split(",", db_escape_string($_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, $id, false, true, true));
} else if ($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 $article['content'];
return;
} else {
catchupArticleById($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"]);
$subop = db_escape_string($_REQUEST["subop"]);
$view_mode = db_escape_string($_REQUEST["view_mode"]);
$limit = (int) get_pref($link, "DEFAULT_ARTICLE_LIMIT");
@$cat_view = db_escape_string($_REQUEST["cat"]);
@$next_unread_feed = db_escape_string($_REQUEST["nuf"]);
@$offset = db_escape_string($_REQUEST["skip"]);
@$vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]);
$order_by = db_escape_string($_REQUEST["order_by"]);
/* 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 && $feed > 0) {
$result = db_query($link, "SELECT id FROM ttrss_feeds WHERE
id = '$feed' AND owner_uid = " . $_SESSION['uid']);
} else if ($cat_view && $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, $subop,
$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];
$reply['headlines']['content'] = $ret[5];
$reply['headlines']['toolbar'] = $ret[6];
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("05", $timing_info);
$headlines_unread = ccache_find($link, $returned_feed, $_SESSION["uid"],
$cat_view, true);
if ($headlines_unread == -1) {
$headlines_unread = getFeedUnread($link, $returned_feed, $cat_view);
}
$reply['headlines-info'] = array("count" => (int) $headlines_count,
"vgroup_last_feed" => $vgroup_last_feed,
"unread" => (int) $headlines_unread,
"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, $feed, false));
}
$reply['articles'] = $articles;
}
if ($subop) {
$reply['counters'] = getAllCounters($link, $omode, $feed);
}
if ($_REQUEST["debug"]) $timing_info = print_checkpoint("30", $timing_info);
$reply['runtime-info'] = make_runtime_info($link);
print json_encode($reply);
break; // viewfeed
case "pref-feeds":
module_pref_feeds($link);
break; // pref-feeds
case "pref-filters":
module_pref_filters($link);
break; // pref-filters
case "pref-labels":
module_pref_labels($link);
break; // pref-labels
case "pref-prefs":
module_pref_prefs($link);
break; // pref-prefs
case "pref-users":
module_pref_users($link);
break; // prefs-users
case "help":
module_help($link);
break; // help
case "dlg":
module_popup_dialog($link);
break; // dlg
case "pref-pub-items":
module_pref_pub_items($link);
break; // pref-pub-items
case "globalUpdateFeeds":
// Update all feeds needing a update.
update_daemon_common($link, 0, true, true);
break; // globalUpdateFeeds
case "pref-feed-browser":
module_pref_feed_browser($link);
break; // pref-feed-browser
case "pref-instances":
module_pref_instances($link);
break; // pref-instances
case "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"]);
if (SINGLE_USER_MODE) {
authenticate_user($link, "admin", null);
}
$owner_id = false;
if ($key) {
$result = db_query($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) {
$_SESSION['uid'] = $owner_id;
generate_syndicated_feed($link, 0, $feed, $is_cat, $limit,
$search, $search_mode, $match_on, $view_mode);
} else {
header('HTTP/1.1 403 Forbidden');
}
break; // rss
case "getUnread":
$login = db_escape_string($_REQUEST["login"]);
$fresh = $_REQUEST["fresh"] == "1";
$result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
if (db_num_rows($result) == 1) {
$uid = db_fetch_result($result, 0, "id");
print getGlobalUnread($link, $uid);
if ($fresh) {
print ";";
print getFeedArticles($link, -3, false, true, $uid);
}
} else {
print "-1;User not found";
}
break; // getUnread
case "digestTest":
print_r(prepare_headlines_digest($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
case "getProfiles":
$login = db_escape_string($_REQUEST["login"]);
$password = db_escape_string($_REQUEST["password"]);
if (authenticate_user($link, $login, $password)) {
$result = db_query($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();
}
break; // getprofiles
case "pubsub":
$mode = db_escape_string($_REQUEST['hub_mode']);
$feed_id = db_escape_string($_REQUEST['id']);
$feed_url = db_escape_string($_REQUEST['hub_topic']);
// TODO: implement hub_verifytoken checking
$result = db_query($link, "SELECT feed_url FROM ttrss_feeds
WHERE id = '$feed_id'");
$check_feed_url = db_fetch_result($result, 0, "feed_url");
if ($check_feed_url && ($check_feed_url == $feed_url || !$feed_url)) {
if ($mode == "subscribe") {
db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 2
WHERE id = '$feed_id'");
print $_REQUEST['hub_challenge'];
return;
} else if ($mode == "unsubscribe") {
db_query($link, "UPDATE ttrss_feeds SET pubsub_state = 0
WHERE id = '$feed_id'");
print $_REQUEST['hub_challenge'];
return;
} else if (!$mode) {
// Received update ping, schedule feed update.
update_rss_feed($link, $feed_id, true, true);
}
} else {
header('HTTP/1.0 404 Not Found');
}
break; // pubsub
case "logout":
logout_user();
header("Location: tt-rss.php");
break; // logout
case "fbexport":
// TODO: change to _POST
$access_key = db_escape_string($_REQUEST["key"]);
// TODO: rate limit checking using last_connected
$result = db_query($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");
$result = db_query($link, "SELECT feed_url, title, subscribers
FROM ttrss_feedbrowser_cache ORDER BY subscribers DESC LIMIT 100");
$feeds = array();
while ($line = db_fetch_assoc($result)) {
array_push($feeds, $line);
}
db_query($link, "UPDATE ttrss_linked_instances SET last_connected = NOW(),
last_status_in = 1 WHERE id = '$instance_id'");
print json_encode(array("feeds" => $feeds));
} else {
print json_encode(array("error" => array("code" => 6)));
}
break; // fbexport
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);
?>