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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| 
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| if (!defined('LACONICA')) { exit(1); }
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| 
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| class Action { // lawsuit
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| 
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| 	var $args;
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| 
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| 	function Action() {
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| 	}
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| 
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| 	# For initializing members of the class
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| 	
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| 	function init($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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| 
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| 	# For comparison with If-Last-Modified
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| 	# If not applicable, return NULL
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| 	
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| 	function last_modified() {
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| 		return NULL;
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| 	}
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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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| 
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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 $def;
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| 		}
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| 	}
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| 
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| 	function trimmed($key, $def=NULL) {
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| 		$arg = $this->arg($key, $def);
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| 		return (is_string($arg)) ? trim($arg) : $arg;
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| 	}
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| 
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| 	# Note: argarray ignored, since it's now passed in in init()
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| 	
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| 	function handle($argarray=NULL) {
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| 		
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| 		$lm = $this->last_modified();
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| 		
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| 		if ($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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| 
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| 	function boolean($key, $def=false) {
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| 		$arg = strtolower($this->trimmed($key));
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| 
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| 		if (is_null($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 $def;
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| 		}
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| 	}	
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| 
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| 	function server_error($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, $code);
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| 	}
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| 
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| 	function client_error($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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| 
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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, $args);
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| 	}
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| 
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| 	function nav_menu($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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