mirror of https://tt-rss.org/git/tt-rss.git
453 lines
14 KiB
PHP
453 lines
14 KiB
PHP
<?php
|
|
class Instances extends Plugin implements IHandler {
|
|
private $host;
|
|
|
|
private $status_codes = array(
|
|
0 => "Connection failed",
|
|
1 => "Success",
|
|
2 => "Invalid object received",
|
|
16 => "Access denied" );
|
|
|
|
function about() {
|
|
return array(1.0,
|
|
"Support for linking tt-rss instances together and sharing popular feeds.",
|
|
"fox",
|
|
true);
|
|
}
|
|
|
|
function init($host) {
|
|
$this->host = $host;
|
|
|
|
$host->add_hook($host::HOOK_PREFS_TABS, $this);
|
|
$host->add_handler("pref-instances", "*", $this);
|
|
$host->add_handler("public", "fbexport", $this);
|
|
$host->add_command("get-feeds", "receive popular feeds from linked instances", $this);
|
|
$host->add_hook($host::HOOK_UPDATE_TASK, $this);
|
|
}
|
|
|
|
function hook_update_task($args) {
|
|
_debug("Get linked feeds...");
|
|
$this->get_linked_feeds();
|
|
}
|
|
|
|
// Status codes:
|
|
// -1 - never connected
|
|
// 0 - no data received
|
|
// 1 - data received successfully
|
|
// 2 - did not receive valid data
|
|
// >10 - server error, code + 10 (e.g. 16 means server error 6)
|
|
|
|
function get_linked_feeds($instance_id = false) {
|
|
if ($instance_id)
|
|
$instance_qpart = "id = '$instance_id' AND ";
|
|
else
|
|
$instance_qpart = "";
|
|
|
|
if (DB_TYPE == "pgsql") {
|
|
$date_qpart = "last_connected < NOW() - INTERVAL '6 hours'";
|
|
} else {
|
|
$date_qpart = "last_connected < DATE_SUB(NOW(), INTERVAL 6 HOUR)";
|
|
}
|
|
|
|
$result = db_query("SELECT id, access_key, access_url FROM ttrss_linked_instances
|
|
WHERE $instance_qpart $date_qpart ORDER BY last_connected");
|
|
|
|
while ($line = db_fetch_assoc($result)) {
|
|
$id = $line['id'];
|
|
|
|
_debug("Updating: " . $line['access_url'] . " ($id)");
|
|
|
|
$fetch_url = $line['access_url'] . '/public.php?op=fbexport';
|
|
$post_query = 'key=' . $line['access_key'];
|
|
|
|
$feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
|
|
|
|
// try doing it the old way
|
|
if (!$feeds) {
|
|
$fetch_url = $line['access_url'] . '/backend.php?op=fbexport';
|
|
$feeds = fetch_file_contents($fetch_url, false, false, false, $post_query);
|
|
}
|
|
|
|
if ($feeds) {
|
|
$feeds = json_decode($feeds, true);
|
|
|
|
if ($feeds) {
|
|
if ($feeds['error']) {
|
|
$status = $feeds['error']['code'] + 10;
|
|
|
|
// access denied
|
|
if ($status == 16) {
|
|
db_query("DELETE FROM ttrss_linked_feeds
|
|
WHERE instance_id = '$id'");
|
|
}
|
|
} else {
|
|
$status = 1;
|
|
|
|
if (count($feeds['feeds']) > 0) {
|
|
|
|
db_query("DELETE FROM ttrss_linked_feeds
|
|
WHERE instance_id = '$id'");
|
|
|
|
foreach ($feeds['feeds'] as $feed) {
|
|
$feed_url = db_escape_string($feed['feed_url']);
|
|
$title = db_escape_string($feed['title']);
|
|
$subscribers = db_escape_string($feed['subscribers']);
|
|
$site_url = db_escape_string($feed['site_url']);
|
|
|
|
db_query("INSERT INTO ttrss_linked_feeds
|
|
(feed_url, site_url, title, subscribers, instance_id, created, updated)
|
|
VALUES
|
|
('$feed_url', '$site_url', '$title', '$subscribers', '$id', NOW(), NOW())");
|
|
}
|
|
} else {
|
|
// received 0 feeds, this might indicate that
|
|
// the instance on the other hand is rebuilding feedbrowser cache
|
|
// we will try again later
|
|
|
|
// TODO: maybe perform expiration based on updated here?
|
|
}
|
|
|
|
_debug("Processed " . count($feeds['feeds']) . " feeds.");
|
|
}
|
|
} else {
|
|
$status = 2;
|
|
}
|
|
|
|
} else {
|
|
$status = 0;
|
|
}
|
|
|
|
_debug("Status: $status");
|
|
|
|
db_query("UPDATE ttrss_linked_instances SET
|
|
last_status_out = '$status', last_connected = NOW() WHERE id = '$id'");
|
|
|
|
}
|
|
}
|
|
|
|
|
|
function get_feeds() {
|
|
$this->get_linked_feeds(false);
|
|
}
|
|
|
|
function get_prefs_js() {
|
|
return file_get_contents(dirname(__FILE__) . "/instances.js");
|
|
}
|
|
|
|
function hook_prefs_tabs($args) {
|
|
if ($_SESSION["access_level"] >= 10 || SINGLE_USER_MODE) {
|
|
?><div id="instanceConfigTab" dojoType="dijit.layout.ContentPane"
|
|
href="backend.php?op=pref-instances"
|
|
title="<?php echo __('Linked') ?>"></div><?php
|
|
}
|
|
}
|
|
|
|
function csrf_ignore($method) {
|
|
$csrf_ignored = array("index", "edit");
|
|
|
|
return array_search($method, $csrf_ignored) !== false;
|
|
}
|
|
|
|
function before($method) {
|
|
if ($_SESSION["uid"]) {
|
|
if ($_SESSION["access_level"] < 10) {
|
|
print __("Your access level is insufficient to open this tab.");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function after() {
|
|
return true;
|
|
}
|
|
|
|
function remove() {
|
|
$ids = db_escape_string($_REQUEST['ids']);
|
|
|
|
db_query("DELETE FROM ttrss_linked_instances WHERE
|
|
id IN ($ids)");
|
|
}
|
|
|
|
function add() {
|
|
$id = db_escape_string($_REQUEST["id"]);
|
|
$access_url = db_escape_string($_REQUEST["access_url"]);
|
|
$access_key = db_escape_string($_REQUEST["access_key"]);
|
|
|
|
db_query("BEGIN");
|
|
|
|
$result = db_query("SELECT id FROM ttrss_linked_instances
|
|
WHERE access_url = '$access_url'");
|
|
|
|
if (db_num_rows($result) == 0) {
|
|
db_query("INSERT INTO ttrss_linked_instances
|
|
(access_url, access_key, last_connected, last_status_in, last_status_out)
|
|
VALUES
|
|
('$access_url', '$access_key', '1970-01-01', -1, -1)");
|
|
|
|
}
|
|
|
|
db_query("COMMIT");
|
|
}
|
|
|
|
function edit() {
|
|
$id = db_escape_string($_REQUEST["id"]);
|
|
|
|
$result = db_query("SELECT * FROM ttrss_linked_instances WHERE
|
|
id = '$id'");
|
|
|
|
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"id\" value=\"$id\">";
|
|
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-instances\">";
|
|
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"editSave\">";
|
|
|
|
print "<div class=\"dlgSec\">".__("Instance")."</div>";
|
|
|
|
print "<div class=\"dlgSecCont\">";
|
|
|
|
/* URL */
|
|
|
|
$access_url = htmlspecialchars(db_fetch_result($result, 0, "access_url"));
|
|
|
|
print __("URL:") . " ";
|
|
|
|
print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\"
|
|
placeHolder=\"".__("Instance URL")."\"
|
|
regExp='^(http|https)://.*'
|
|
style=\"font-size : 16px; width: 20em\" name=\"access_url\"
|
|
value=\"$access_url\">";
|
|
|
|
print "<hr/>";
|
|
|
|
$access_key = htmlspecialchars(db_fetch_result($result, 0, "access_key"));
|
|
|
|
/* Access key */
|
|
|
|
print __("Access key:") . " ";
|
|
|
|
print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\"
|
|
placeHolder=\"".__("Access key")."\" regExp='\w{40}'
|
|
style=\"width: 20em\" name=\"access_key\" id=\"instance_edit_key\"
|
|
value=\"$access_key\">";
|
|
|
|
print "<p class='insensitive'>" . __("Use one access key for both linked instances.");
|
|
|
|
print "</div>";
|
|
|
|
print "<div class=\"dlgButtons\">
|
|
<div style='float : left'>
|
|
<button dojoType=\"dijit.form.Button\"
|
|
onclick=\"return dijit.byId('instanceEditDlg').regenKey()\">".
|
|
__('Generate new key')."</button>
|
|
</div>
|
|
<button dojoType=\"dijit.form.Button\"
|
|
onclick=\"return dijit.byId('instanceEditDlg').execute()\">".
|
|
__('Save')."</button>
|
|
<button dojoType=\"dijit.form.Button\"
|
|
onclick=\"return dijit.byId('instanceEditDlg').hide()\"\">".
|
|
__('Cancel')."</button></div>";
|
|
|
|
}
|
|
|
|
function editSave() {
|
|
$id = db_escape_string($_REQUEST["id"]);
|
|
$access_url = db_escape_string($_REQUEST["access_url"]);
|
|
$access_key = db_escape_string($_REQUEST["access_key"]);
|
|
|
|
db_query("UPDATE ttrss_linked_instances SET
|
|
access_key = '$access_key', access_url = '$access_url',
|
|
last_connected = '1970-01-01'
|
|
WHERE id = '$id'");
|
|
|
|
}
|
|
|
|
function index() {
|
|
|
|
if (!function_exists('curl_init')) {
|
|
print "<div style='padding : 1em'>";
|
|
print_error("This functionality requires CURL functions. Please enable CURL in your PHP configuration (you might also want to disable open_basedir in php.ini) and reload this page.");
|
|
print "</div>";
|
|
}
|
|
|
|
print "<div id=\"pref-instance-wrap\" dojoType=\"dijit.layout.BorderContainer\" gutters=\"false\">";
|
|
print "<div id=\"pref-instance-header\" dojoType=\"dijit.layout.ContentPane\" region=\"top\">";
|
|
|
|
print "<div id=\"pref-instance-toolbar\" dojoType=\"dijit.Toolbar\">";
|
|
|
|
$sort = db_escape_string($_REQUEST["sort"]);
|
|
|
|
if (!$sort || $sort == "undefined") {
|
|
$sort = "access_url";
|
|
}
|
|
|
|
print "<div dojoType=\"dijit.form.DropDownButton\">".
|
|
"<span>" . __('Select')."</span>";
|
|
print "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
|
|
print "<div onclick=\"selectTableRows('prefInstanceList', 'all')\"
|
|
dojoType=\"dijit.MenuItem\">".__('All')."</div>";
|
|
print "<div onclick=\"selectTableRows('prefInstanceList', 'none')\"
|
|
dojoType=\"dijit.MenuItem\">".__('None')."</div>";
|
|
print "</div></div>";
|
|
|
|
print "<button dojoType=\"dijit.form.Button\" onclick=\"addInstance()\">".__('Link instance')."</button>";
|
|
print "<button dojoType=\"dijit.form.Button\" onclick=\"editSelectedInstance()\">".__('Edit')."</button>";
|
|
print "<button dojoType=\"dijit.form.Button\" onclick=\"removeSelectedInstances()\">".__('Remove')."</button>";
|
|
|
|
print "</div>"; #toolbar
|
|
|
|
$result = db_query("SELECT *,
|
|
(SELECT COUNT(*) FROM ttrss_linked_feeds
|
|
WHERE instance_id = ttrss_linked_instances.id) AS num_feeds
|
|
FROM ttrss_linked_instances
|
|
ORDER BY $sort");
|
|
|
|
print "<p class=\"insensitive\" style='margin-left : 1em;'>" . __("You can connect other instances of Tiny Tiny RSS to this one to share Popular feeds. Link to this instance of Tiny Tiny RSS by using this URL:");
|
|
|
|
print " <a href=\"#\" onclick=\"alert('".htmlspecialchars(get_self_url_prefix())."')\">(display url)</a>";
|
|
|
|
print "<p><table width='100%' id='prefInstanceList' class='prefInstanceList' cellspacing='0'>";
|
|
|
|
print "<tr class=\"title\">
|
|
<td align='center' width=\"5%\"> </td>
|
|
<td width=''><a href=\"#\" onclick=\"updateInstanceList('access_url')\">".__('Instance URL')."</a></td>
|
|
<td width='20%'><a href=\"#\" onclick=\"updateInstanceList('access_key')\">".__('Access key')."</a></td>
|
|
<td width='10%'><a href=\"#\" onclick=\"updateUsersList('last_connected')\">".__('Last connected')."</a></td>
|
|
<td width='10%'><a href=\"#\" onclick=\"updateUsersList('last_status_out')\">".__('Status')."</a></td>
|
|
<td width='10%'><a href=\"#\" onclick=\"updateUsersList('num_feeds')\">".__('Stored feeds')."</a></td>
|
|
</tr>";
|
|
|
|
$lnum = 0;
|
|
|
|
while ($line = db_fetch_assoc($result)) {
|
|
$class = ($lnum % 2) ? "even" : "odd";
|
|
|
|
$id = $line['id'];
|
|
$this_row_id = "id=\"LIRR-$id\"";
|
|
|
|
$line["last_connected"] = make_local_datetime($line["last_connected"], false);
|
|
|
|
print "<tr class=\"$class\" $this_row_id>";
|
|
|
|
print "<td align='center'><input onclick='toggleSelectRow(this);'
|
|
type=\"checkbox\" id=\"LICHK-$id\"></td>";
|
|
|
|
$onclick = "onclick='editInstance($id, event)' title='".__('Click to edit')."'";
|
|
|
|
$access_key = mb_substr($line['access_key'], 0, 4) . '...' .
|
|
mb_substr($line['access_key'], -4);
|
|
|
|
print "<td $onclick>" . htmlspecialchars($line['access_url']) . "</td>";
|
|
print "<td $onclick>" . htmlspecialchars($access_key) . "</td>";
|
|
print "<td $onclick>" . htmlspecialchars($line['last_connected']) . "</td>";
|
|
print "<td $onclick>" . $this->status_codes[$line['last_status_out']] . "</td>";
|
|
print "<td $onclick>" . htmlspecialchars($line['num_feeds']) . "</td>";
|
|
|
|
print "</tr>";
|
|
|
|
++$lnum;
|
|
}
|
|
|
|
print "</table>";
|
|
|
|
print "</div>"; #pane
|
|
|
|
PluginHost::getInstance()->run_hooks(PluginHost::HOOK_PREFS_TAB,
|
|
"hook_prefs_tab", "prefInstances");
|
|
|
|
print "</div>"; #container
|
|
|
|
}
|
|
|
|
function fbexport() {
|
|
|
|
$access_key = db_escape_string($_POST["key"]);
|
|
|
|
// TODO: rate limit checking using last_connected
|
|
$result = db_query("SELECT id FROM ttrss_linked_instances
|
|
WHERE access_key = '$access_key'");
|
|
|
|
if (db_num_rows($result) == 1) {
|
|
|
|
$instance_id = db_fetch_result($result, 0, "id");
|
|
|
|
$result = db_query("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, $line);
|
|
}
|
|
|
|
db_query("UPDATE ttrss_linked_instances SET
|
|
last_status_in = 1 WHERE id = '$instance_id'");
|
|
|
|
print json_encode(array("feeds" => $feeds));
|
|
} else {
|
|
print error_json(6);
|
|
}
|
|
}
|
|
|
|
function addInstance() {
|
|
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"op\" value=\"pref-instances\">";
|
|
print "<input dojoType=\"dijit.form.TextBox\" style=\"display : none\" name=\"method\" value=\"add\">";
|
|
|
|
print "<div class=\"dlgSec\">".__("Instance")."</div>";
|
|
|
|
print "<div class=\"dlgSecCont\">";
|
|
|
|
/* URL */
|
|
|
|
print __("URL:") . " ";
|
|
|
|
print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\"
|
|
placeHolder=\"".__("Instance URL")."\"
|
|
regExp='^(http|https)://.*'
|
|
style=\"font-size : 16px; width: 20em\" name=\"access_url\">";
|
|
|
|
print "<hr/>";
|
|
|
|
$access_key = uniqid(rand(), true);
|
|
|
|
/* Access key */
|
|
|
|
print __("Access key:") . " ";
|
|
|
|
print "<input dojoType=\"dijit.form.ValidationTextBox\" required=\"1\"
|
|
placeHolder=\"".__("Access key")."\" regExp='\w{40}'
|
|
style=\"width: 20em\" name=\"access_key\" id=\"instance_add_key\"
|
|
value=\"$access_key\">";
|
|
|
|
print "<p class='insensitive'>" . __("Use one access key for both linked instances.");
|
|
|
|
print "</div>";
|
|
|
|
print "<div class=\"dlgButtons\">
|
|
<div style='float : left'>
|
|
<button dojoType=\"dijit.form.Button\"
|
|
onclick=\"return dijit.byId('instanceAddDlg').regenKey()\">".
|
|
__('Generate new key')."</button>
|
|
</div>
|
|
<button dojoType=\"dijit.form.Button\"
|
|
onclick=\"return dijit.byId('instanceAddDlg').execute()\">".
|
|
__('Create link')."</button>
|
|
<button dojoType=\"dijit.form.Button\"
|
|
onclick=\"return dijit.byId('instanceAddDlg').hide()\"\">".
|
|
__('Cancel')."</button></div>";
|
|
|
|
return;
|
|
}
|
|
|
|
function genHash() {
|
|
$hash = uniqid(base_convert(rand(), 10, 36));
|
|
|
|
print json_encode(array("hash" => $hash));
|
|
}
|
|
|
|
function api_version() {
|
|
return 2;
|
|
}
|
|
|
|
}
|
|
?>
|