3 * Laconica - a distributed open-source microblogging tool
4 * Copyright (C) 2008, Controlez-Vous, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if (!defined('LACONICA')) { exit(1); }
22 class Action { // lawsuit
29 # For initializing members of the class
31 function init($argarray) {
32 $this->args =& common_copy_args($argarray);
36 # For comparison with If-Last-Modified
37 # If not applicable, return NULL
39 function last_modified() {
43 function is_readonly() {
47 function arg($key, $def=NULL) {
48 if (array_key_exists($key, $this->args)) {
49 return $this->args[$key];
55 function trimmed($key, $def=NULL) {
56 $arg = $this->arg($key, $def);
57 return (is_string($arg)) ? trim($arg) : $arg;
60 # Note: argarray ignored, since it's now passed in in init()
62 function handle($argarray=NULL) {
64 $lm = $this->last_modified();
67 header('Last-Modified: ' . date(DATE_RFC822, $lm));
68 $if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
69 if ($if_modified_since) {
70 $ims = strtotime($if_modified_since);
72 $if_none_match = $_SERVER['HTTP_IF_NONE_MATCH'];
74 header('304 Not Modified');
75 # Better way to do this?
83 function boolean($key, $def=false) {
84 $arg = strtolower($this->trimmed($key));
88 } else if (in_array($arg, array('true', 'yes', '1'))) {
90 } else if (in_array($arg, array('false', 'no', '0'))) {
97 function server_error($msg, $code=500) {
98 $action = $this->trimmed('action');
99 common_debug("Server error '$code' on '$action': $msg", __FILE__);
100 common_server_error($msg, $code);
103 function client_error($msg, $code=400) {
104 $action = $this->trimmed('action');
105 common_debug("User error '$code' on '$action': $msg", __FILE__);
106 common_user_error($msg, $code);
109 function self_url() {
110 $action = $this->trimmed('action');
112 unset($args['action']);
113 foreach (array_keys($_COOKIE) as $cookie) {
114 unset($args[$cookie]);
116 return common_local_url($action, $args);
119 function nav_menu($menu) {
120 $action = $this->trimmed('action');
121 common_element_start('ul', array('id' => 'nav_views'));
122 foreach ($menu as $menuaction => $menudesc) {
123 common_menu_item(common_local_url($menuaction, isset($menudesc[2]) ? $menudesc[2] : NULL),
126 $action == $menuaction);
128 common_element_end('ul');