mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-10-06 18:12:22 +02:00
364 lines
14 KiB
PHP
364 lines
14 KiB
PHP
<?php
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//$GLOBALS['phpgw_info']['flags']['currentapp'] = 1; //need to replace with real default
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//$GLOBALS['phpgw_info']['user']['userid'] = 1; //need to replace with real default
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class acl2
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{
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var $account_id;
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var $host_id;
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var $app_id;
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var $memberships = Array(0=>1); //group 0 is for all users
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var $memberships_sql = '0'; //group 0 is for all users
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var $rights_cache = Array();
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var $masks_cache = Array();
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var $previous_location; // used for inheritance
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var $db;
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/*************************************************************************\
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* These lines load up the templates class and set some default values *
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\*************************************************************************/
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function acl2()
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{
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$expected_args[0] = Array('name'=>'account_id','default'=>$GLOBALS['phpgw_info']['user']['userid'], 'type'=>'number');
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$expected_args[1] = Array('name'=>'host_id','default'=>0, 'type'=>'number');
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$expected_args[2] = Array('name'=>'app_id','default'=>$GLOBALS['phpgw']->applications->data[$GLOBALS['phpgw_info']['flags']['currentapp']]['id'], 'type'=>'number');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$this->db = $GLOBALS['phpgw']->db;
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$this->account_id = $args['account_id'];
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$this->host_id = $args['host_id'];
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$this->app_id = $args['app_id'];
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}
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function get_memberships ()
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{
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$expected_args[0] = Array('name'=>'account_id','default'=>$this->account_id, 'type'=>'number');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$sql = "SELECT acl_location,acl_rights FROM phpgw_acl2
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WHERE ( acl_host='".$this->host_id."' and acl_appid = 0 and acl_account = ".$args['account_id'].")";
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$this->db->query($sql,__LINE__,__FILE__);
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while ($this->db->next_record())
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{
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if(!isset($this->memberships[$this->db->f('acl_location')]))
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{
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$this->memberships[$this->db->f('acl_location')] = $this->db->f('acl_rights');
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$this->memberships_sql .= ','.$this->db->f('acl_location');
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$this->get_memberships(Array('account_id'=>$this->db->f('acl_location')));
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}
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}
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}
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function cache_rights()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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if(isset($this->rights_cache[$args['app_id']][$args['location']]))
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{
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return;
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}
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$sql = "SELECT acl_rights,acl_type,acl_data,acl_location FROM phpgw_acl2 WHERE (acl_appid = '".$args['app_id']."' ";
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$sql .= " and (acl_account in (".$this->account_id.",".$this->memberships_sql.'))';
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$sql .= " and (".$this->get_location_list($args['location'],$args['app_id']).")";
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$sql .= ') ORDER BY acl_location, acl_type DESC';
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$this->db->query($sql,__LINE__,__FILE__);
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while ($this->db->next_record())
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{
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if($this->rights_cache[$args['app_id']][$args['location']] == 0)
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{
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if ($this->previous_location != '')
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{
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$this->rights_cache[$args['app_id']][$this->db->f('acl_location')] = $this->bit_mask($this->rights_cache[$args['app_id']][$this->previous_location], $this->masks_cache[$args['app_id']][$this->previous_location]);
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}
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else
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{
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$this->masks_cache[$args['app_id']][$this->db->f('acl_location')] = 0;
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$this->rights_cache[$args['app_id']][$this->db->f('acl_location')] = 0;
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}
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}
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if((int)$this->db->f('acl_type') == 0)
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{
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$this->rights_cache[$args['app_id']][$this->db->f('acl_location')] = $this->bit_set($this->rights_cache[$args['app_id']][$this->db->f('acl_location')],(int)$this->db->f('acl_rights'));
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}
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else
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{
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$this->masks_cache[$args['app_id']][$this->db->f('acl_location')] = $this->bit_set($this->rights_cache[$args['app_id']][$this->db->f('acl_location')],(int)$this->db->f('acl_rights'));
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}
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$this->previous_location = $this->db->f('acl_location');
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}
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$this->previous_location = '';
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}
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function get_location_list()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$expected_args[2] = Array('name'=>'return','default'=>'sql', 'type'=>'alpha');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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if(!strstr($args['location'], '.'))
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{
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$location_list = Array('.','.'.$args['location'],$args['location']);
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$sql = "acl_location in ('.', '.'.".$args['location'].",".$args['location'].")";
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return $sql;
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}
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$location_list = explode('.',$args['location']);
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$num = count($location_list);
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for ($i=0; $i < $num; $i++)
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{
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if(isset($location_list[$i-1]))
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{
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if($location_list[$i-1] != '.')
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{
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$location_list[$i] = $location_list[$i-1].'.'.$location_list[$i];
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}
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else
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{
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$location_list[$i] = $location_list[$i-1].$location_list[$i];
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}
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}
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else
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{
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$location_list[$i] = '.';
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}
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if(!isset($sql))
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{
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$sql = "acl_location in ('".$location_list[$i]."'";
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}
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else
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{
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$sql .= ",'".$location_list[$i]."'";
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}
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if($args['return'] != 'array' && !isset($this->rights_cache[$args['app_id']][$args['location']]))
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{
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$this->rights_cache[$args['app_id']][$location_list[$i]] = 0;
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$this->masks_cache[$args['app_id']][$location_list[$i]] = 0;
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}
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}
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$sql .= ')';
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if ($args['return'] == 'array')
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{
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return $location_list;
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}
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return $sql;
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}
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function check()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'required','default'=>1, 'type'=>'number');
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$expected_args[2] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$this->cache_rights($args['location'],$args['app_id']);
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return $this->bit_check($this->rights_cache[$args['app_id']][$args['location']],$args['required']);
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}
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/*!
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@function add
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@abstract Adds ACL record to $acl->data
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@discussion Adds ACL record to $acl->data. <br>
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Syntax: array add() <br>
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Example1: acl->add();
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@param $appname default False derives value from $phpgw_info['flags']['currentapp']
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@param $location location
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@param $rights rights
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*/
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function add()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'rights','default'=>1, 'type'=>'number');
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$expected_args[2] = Array('name'=>'type','default'=>0, 'type'=>'number');
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$expected_args[3] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$expected_args[4] = Array('name'=>'data','default'=>NULL, 'type'=>'any');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$sql = "SELECT acl_rights FROM phpgw_acl2 WHERE (acl_appid = '".$args['app_id']."' ";
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$sql .= " and acl_account = ".$this->account_id;
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$sql .= " and acl_location = '".$args['location']."' and acl_type=".$args['type'].")";
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$this->db->query($sql,__LINE__,__FILE__);
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if($this->db->num_rows() != 0)
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{
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$this->db->next_record();
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$newrights = $this->bit_set($args['rights'], (int)$this->db->f('acl_rights'));
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$sql = "UPDATE phpgw_acl2 SET acl_rights =".$newrights;
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$sql .= " WHERE acl_host=".$this->host_id." AND acl_appid=".$args['app_id']." AND acl_account=".$this->account_id." AND acl_location='".$args['location']."' AND acl_type=".$args['type'];
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}
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else
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{
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$sql = "INSERT INTO phpgw_acl2 (acl_host,acl_appid,acl_account,acl_location,acl_rights,acl_type,acl_data) VALUES (".$this->host_id.",".$args['app_id'].",".$this->account_id.",'".$args['location']."',".$args['rights'].",".$args['type'].",'".$args['data']."')";
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}
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$this->db->query($sql,__LINE__,__FILE__);
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$this->rights_cache = Array();
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$this->masks_cache = Array();
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}
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function set()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'rights','default'=>1, 'type'=>'number');
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$expected_args[2] = Array('name'=>'type','default'=>0, 'type'=>'number');
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$expected_args[3] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$expected_args[4] = Array('name'=>'data','default'=>NULL, 'type'=>'any');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$sql = "SELECT acl_rights FROM phpgw_acl2 WHERE (acl_appid = '".$args['app_id']."' ";
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$sql .= " and acl_account = ".$this->account_id;
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$sql .= " and acl_location = '".$args['location']."' and acl_type=".$args['type'].")";
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$this->db->query($sql,__LINE__,__FILE__);
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if($this->db->num_rows() != 0)
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{
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if((int)$args['rights'] == 0)
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{
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$sql = "DELETE FROM phpgw_acl2";
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}
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else
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{
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$sql = "UPDATE phpgw_acl2 SET acl_rights =".$args['rights'];
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}
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$sql .= " WHERE acl_host=".$this->host_id." AND acl_appid=".$args['app_id']." AND acl_account=".$this->account_id." AND acl_location='".$args['location']."' AND acl_type=".$args['type'];
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$this->db->query($sql,__LINE__,__FILE__);
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}
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else
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{
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if($args['rights'] != 0)
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{
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$sql = "INSERT INTO phpgw_acl2 (acl_host,acl_appid,acl_account,acl_location,acl_rights,acl_type,acl_data) VALUES (".$this->host_id.",".$args['app_id'].",".$this->account_id.",'".$args['location']."',".$args['rights'].",".$args['type'].",'".$args['data']."')";
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$this->db->query($sql,__LINE__,__FILE__);
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}
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}
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$this->rights_cache = Array();
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$this->masks_cache = Array();
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}
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function remove()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'rights','default'=>1, 'type'=>'number');
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$expected_args[2] = Array('name'=>'type','default'=>0, 'type'=>'number');
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$expected_args[3] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$expected_args[4] = Array('name'=>'data','default'=>NULL, 'type'=>'any');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$sql = "SELECT acl_rights FROM phpgw_acl2 WHERE (acl_appid = '".$args['app_id']."' ";
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$sql .= " and acl_account = ".$this->account_id;
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$sql .= " and acl_location = '".$args['location']."' and acl_type=".$args['type'].")";
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$this->db->query($sql,__LINE__,__FILE__);
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if($this->db->num_rows() != 0)
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{
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$this->db->next_record();
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//echo '$args[rights] = '.$args['rights'].'<br>';
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//echo '$this->db->f(acl_rights) = '.$this->db->f('acl_rights').'<br>';
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$newrights = $this->bit_mask((int)$this->db->f('acl_rights'),$args['rights']);
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//echo 'newrights = '.$newrights.'<br>';
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if ($newrights != 0)
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{
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$sql = "UPDATE phpgw_acl2 SET acl_rights =".$newrights;
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}
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else
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{
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$sql = "DELETE FROM phpgw_acl2";
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}
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$sql .= " WHERE acl_host=".$this->host_id." AND acl_appid=".$args['app_id']." AND acl_account=".$this->account_id." AND acl_location='".$args['location']."' AND acl_type=".$args['type'];
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$this->db->query($sql,__LINE__,__FILE__);
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$this->rights_cache = Array();
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$this->masks_cache = Array();
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}
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}
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/*************************************************************************\
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* Non-standard functions. Should only be used for ACL management needs *
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\*************************************************************************/
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function check_specific()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'required','default'=>1, 'type'=>'number');
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$expected_args[2] = Array('name'=>'account_id','default'=>$this->account_id, 'type'=>'number');
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$expected_args[3] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$sql = "SELECT acl_rights,acl_type,acl_data FROM phpgw_acl2 WHERE (acl_appid = '".$args['app_id']."' ";
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$sql .= " and acl_account = ".$args['account_id'];
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$sql .= " and acl_location = '".$args['location']."' and acl_type=0)";
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$this->db->query($sql,__LINE__,__FILE__);
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$rights = 0;
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while ($this->db->next_record())
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{
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$rights = $this->bit_set($rights,(int)$this->db->f('acl_rights'));
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}
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return $this->bit_check($rights,$args['required']);
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}
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/* I dont feel this function will be needed, and plan to remove it when certain.
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function check_location()
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{
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$expected_args[0] = Array('name'=>'location','default'=>'##REQUIRED##', 'type'=>'alphanumeric');
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$expected_args[1] = Array('name'=>'required','default'=>1, 'type'=>'number');
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$expected_args[2] = Array('name'=>'app_id','default'=>$this->app_id, 'type'=>'number');
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$recieved_args = func_get_args();
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$args = safe_args($expected_args, $recieved_args,__LINE__,__FILE__);
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$sql = "SELECT acl_rights,acl_type,acl_data FROM phpgw_acl2 WHERE (acl_appid = '".$args['app_id']."' ";
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$sql .= " and (acl_account in (".$this->account_id.",".$this->memberships_sql.'))';
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$sql .= " and acl_location = '".$args['location']."' and acl_type=0)";
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$this->db->query($sql,__LINE__,__FILE__);
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$rights = 0;
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while ($this->db->next_record())
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{
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$rights = $this->bit_set($rights,(int)$this->db->f('acl_rights'));
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}
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return $this->bit_check($rights,$args['required']);
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}
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*/
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/*************************************************************************\
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* Support functions *
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\*************************************************************************/
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/*!
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@function bit_set
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@abstract add/turn_on new bit to current value
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*/
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function bit_set($rights, $new)
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{
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return $rights |= $new;
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}
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/*!
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@function bit_mask
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@abstract mask/turn_off new bit from current value
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*/
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function bit_mask($rights, $mask)
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{
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return $rights &= ~$mask;
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}
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/*!
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@function bit_check
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@abstract check if required bit is set/turned_on in the rights
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*/
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function bit_check($rights, $required)
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{
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return ($rights & $required);
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}
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}
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?>
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