summaryrefslogtreecommitdiff
path: root/backend.php
blob: 030676dcb9ddadae2fdf6ead6fdfc9ce6ffff40b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
<?php
	set_include_path(dirname(__FILE__) ."/include" . PATH_SEPARATOR .
		get_include_path());

	$op = $_REQUEST["op"];
	$method = !empty($_REQUEST['subop']) ?
		$_REQUEST['subop'] :
		$_REQUEST["method"] ?? false;

	if (!$method)
		$method = 'index';
	else
		$method = strtolower($method);

	/* Public calls compatibility shim */

	$public_calls = array("globalUpdateFeeds", "rss", "getUnread", "getProfiles", "share");

	if (array_search($op, $public_calls) !== false) {
		header("Location: public.php?" . $_SERVER['QUERY_STRING']);
		return;
	}

	$csrf_token = $_POST['csrf_token'] ?? "";

	require_once "autoload.php";
	require_once "sessions.php";
	require_once "functions.php";
	require_once "config.php";
	require_once "db.php";
	require_once "db-prefs.php";

	startup_gettext();

	$script_started = microtime(true);

	if (!init_plugins()) return;

	header("Content-Type: text/json; charset=utf-8");

	if (SINGLE_USER_MODE) {
		UserHelper::authenticate( "admin", null);
	}

	if (!empty($_SESSION["uid"])) {
		if (!validate_session()) {
			header("Content-Type: text/json");
			print error_json(6);
			return;
		}
		UserHelper::load_user_plugins($_SESSION["uid"]);
	}

	$purge_intervals = array(
		0  => __("Use default"),
		-1 => __("Never purge"),
		7  => __("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  => __("15 minutes"),
		30  => __("30 minutes"),
		60  => __("Hourly"),
		240 => __("4 hours"),
		720 => __("12 hours"),
		1440 => __("Daily"),
		10080 => __("Weekly"));

	$update_intervals_nodefault = array(
		-1  => __("Disable updates"),
		15  => __("15 minutes"),
		30  => __("30 minutes"),
		60  => __("Hourly"),
		240 => __("4 hours"),
		720 => __("12 hours"),
		1440 => __("Daily"),
		10080 => __("Weekly"));

	$access_level_names = array(
		0 => __("User"),
		5 => __("Power User"),
		10 => __("Administrator"));

	$op = str_replace("-", "_", $op);

	$override = PluginHost::getInstance()->lookup_handler($op, $method);

	if (class_exists($op) || $override) {

		if ($override) {
			$handler = $override;
		} else {
			$reflection = new ReflectionClass($op);
			$handler = $reflection->newInstanceWithoutConstructor();
		}

		if ($handler && implements_interface($handler, 'IHandler')) {
			$handler->__construct($_REQUEST);

			if (validate_csrf($csrf_token) || $handler->csrf_ignore($method)) {
				if ($handler->before($method)) {
					if ($method && method_exists($handler, $method)) {
						$reflection = new ReflectionMethod($handler, $method);

						if ($reflection->getNumberOfRequiredParameters() == 0) {
							$handler->$method();
						} else {
							header("Content-Type: text/json");
							print error_json(6);
						}
					} else {
						if (method_exists($handler, "catchall")) {
							$handler->catchall($method);
						}
					}
					$handler->after();
					return;
				} else {
					header("Content-Type: text/json");
					print error_json(6);
					return;
				}
			} else {
				header("Content-Type: text/json");
				print error_json(6);
				return;
			}
		}
	}

	header("Content-Type: text/json");
	print error_json(13);

?>