131 lines
3.3 KiB
PHP
131 lines
3.3 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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class Action { // lawsuit
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var $args;
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function Action() {
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}
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# For initializing members of the class
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function init($argarray) {
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$this->args =& common_copy_args($argarray);
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return true;
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}
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# For comparison with If-Last-Modified
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# If not applicable, return NULL
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function last_modified() {
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return NULL;
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}
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function is_readonly() {
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return false;
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}
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function arg($key, $def=NULL) {
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if (array_key_exists($key, $this->args)) {
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return $this->args[$key];
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} else {
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return $def;
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}
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}
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function trimmed($key, $def=NULL) {
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$arg = $this->arg($key, $def);
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return (is_string($arg)) ? trim($arg) : $arg;
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}
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# Note: argarray ignored, since it's now passed in in init()
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function handle($argarray=NULL) {
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$lm = $this->last_modified();
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if ($lm) {
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header('Last-Modified: ' . date(DATE_RFC822, $dt));
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$if_modified_since = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
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if ($if_modified_since) {
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$ims = strtotime($if_modified_since);
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if ($lm <= $ims) {
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$if_none_match = $_SERVER['HTTP_IF_NONE_MATCH'];
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if ($if_none_match) {
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header('304 Not Modified');
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# Better way to do this?
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exit(0);
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}
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}
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}
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}
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}
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function boolean($key, $def=false) {
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$arg = strtolower($this->trimmed($key));
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if (is_null($arg)) {
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return $def;
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} else if (in_array($arg, array('true', 'yes', '1'))) {
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return true;
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} else if (in_array($arg, array('false', 'no', '0'))) {
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return false;
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} else {
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return $def;
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}
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}
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function server_error($msg, $code=500) {
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$action = $this->trimmed('action');
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common_debug("Server error '$code' on '$action': $msg", __FILE__);
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common_server_error($msg, $code);
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}
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function client_error($msg, $code=400) {
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$action = $this->trimmed('action');
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common_debug("User error '$code' on '$action': $msg", __FILE__);
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common_user_error($msg, $code);
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}
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function self_url() {
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$action = $this->trimmed('action');
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$args = $this->args;
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unset($args['action']);
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foreach (array_keys($_COOKIE) as $cookie) {
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unset($args[$cookie]);
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}
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return common_local_url($action, $args);
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}
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function nav_menu($menu) {
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$action = $this->trimmed('action');
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common_element_start('ul', array('id' => 'nav_views'));
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foreach ($menu as $menuaction => $menudesc) {
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common_menu_item(common_local_url($menuaction, isset($menudesc[2]) ? $menudesc[2] : NULL),
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$menudesc[0],
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$menudesc[1],
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$action == $menuaction);
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}
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common_element_end('ul');
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}
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}
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