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rodolico |
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<?php
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/*
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Copyright (c) 2021, Daily Data, Inc. Redistribution and use in
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source and binary forms, with or without modification, are permitted
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provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* UsersDataSourceMySQLi.class.php
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*
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* Authors: R. W. Rodolico
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*
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*/
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/**
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* usersPermissionsDataSource class
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*
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* usersPermissionsDataSource provides the data access capabilities for
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* the usersPermissions class
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* class.
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*
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* To build a data access class for UsersPermissions, the following 5
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* methods must exist.
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* getPassword(username)
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* getAllUsers()
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* getARecord
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* update
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*
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* Additionally, where appropriate, the following function is useful
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* buildTable()
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*
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* This particular instance provides an interface to MySQL using
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* the mysqli libraries.
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*
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* Create an instance of this, then pass the variable to several Users
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* calls.
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*
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* @author R. W. Rodolico <rodo@unixservertech.com>
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*
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* @version 0.9.0 (beta)
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* @copyright 2021 Daily Data, Inc.
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*
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*/
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rodolico |
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require_once( 'UsersDataSourceMySQLi.class.php' );
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class usersPermissionsDataSourceMySQLi extends usersDataSourceMySQLi {
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rodolico |
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/**
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* extends usersDataSource
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*
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* Adds the new fields needed for permissions. First, creates array
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* $permissions, then does a recursive merge into
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* usersDataSource::$configuration.
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* NOTE: we must merge this before we merge in $dbDef so the
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* developer can modify permissions also
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*
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* @param mysqli $connection Existing mysqli database connection
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* @param string[] $customFields Array to be merged with $configuration
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* @param string[] $dbLoginInfo Array containing username, hostname, etc.. to make mysqli connection_aborted
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*
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* @return null
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*
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*/
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public function __construct( $connection, $customFields = array() ) {
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$permissions = array(
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'tables' => array(
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'permissions categories' => array(
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'table' => '_permissions_categories', // table name for user records
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'id' => '_permission_category_id', // ID column name
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'display' => array( // fields which are displayed to select
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'description'
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),
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'fields' => array(
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'name' => array(
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'dbColumn' => 'name',
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'type' => 'varchar',
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'size' => 16,
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'required' => true,
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'unique' => true
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)
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),
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), // permissions categories table
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'permissions' => array(
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'table' => '_permissions', // table name for user records
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'id' => '_permission_id', // ID column name
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'display' => array( // fields which are displayed to select
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'description'
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),
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'fields' => array(
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'name' => array(
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'dbColumn' => 'name',
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'type' => 'varchar',
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'size' => 16,
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'required' => true,
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'unique' => true
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),
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'description' => array(
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'dbColumn' => 'description',
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'type' => 'varchar',
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'size' => 64,
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'required' => true
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),
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'permission category' => array(
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'dbColumn' => '_permission_category_id',
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'type' => 'int unsigned',
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'required' => true,
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),
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'default' => array(
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'dbColumn' => 'default_value',
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'type' => 'boolean',
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'required' => true
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),
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)
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), // permissions table
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'users permissions' => array(
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'table' => '_users_permissions', // table name for user records
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'id' => '_user_permission_id', // ID column name
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'fields' => array(
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'user_id' => array(
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'dbColumn' => '_user_id',
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'type' => 'int unsigned',
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'required' => true,
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'references' => 'users',
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),
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'permission_id' => array(
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'dbColumn' => '_permission_id',
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'type' => 'int unsigned',
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'required' => true,
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'references' => 'permissions',
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),
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'value' => array(
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'dbColumn' => 'value',
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'type' => 'boolean',
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'required' => true,
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),
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)
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) // users permissions table
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),
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'views' => array(
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'users permissions' => array(
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'name' => '_view_users_permissions'
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)
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) // users permissions view
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);
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$this->configuration = array_merge_recursive( $this->configuration, $permissions );
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rodolico |
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parent::__construct( $connection, $customFields );
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rodolico |
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} // constructor
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rodolico |
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rodolico |
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/**
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* Function will build tables when called
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*
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* Calls parent::buildTable first, then creates a view. The query
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* for the view is created using sprintf so we can allow the developers
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* to modify the table names, etc...
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*
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*/
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public function buildTable() {
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parent::buildTable();
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// add a unique constraint on users permissions for user id and permission id
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// we do it this way since there is no way to do it automagically
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// without rewriting the $configuration code
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$query = sprintf( 'alter table %s add unique key (%s,%s)',
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users permissions']['fields']['user_id']['dbColumn'],
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$this->configuration['tables']['users permissions']['fields']['permission_id']['dbColumn']
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);
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$this->doSQL( $query );
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// create a convenience view
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$query = sprintf( "create or replace view %s as
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select
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%s.%s users_id, /* users id */
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%s.%s user, /* users login */
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%s.%s permission_id, /* permissions id */
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%s.%s permission, /* permissions name */
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%s.%s description, /* permissions description */
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%s.%s category, /* permissions_categories name */
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ifnull(%s.%s,0) value /* actual value */
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from
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%s /* users */
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join %s /* permissions (permissions_id */
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left join %s using (%s,%s) /* users_permissions (users_id) */
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join %s using (%s) /* permissions_categories( permissions_categories_id) */",
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$this->configuration['views']['users permissions']['name'],
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$this->configuration['tables']['users']['table'],
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$this->configuration['tables']['users']['id'],
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$this->configuration['tables']['users']['table'],
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$this->configuration['tables']['users']['fields']['login']['dbColumn'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['id'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['fields']['name']['dbColumn'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['fields']['description']['dbColumn'],
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$this->configuration['tables']['permissions categories']['table'],
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$this->configuration['tables']['permissions categories']['fields']['name']['dbColumn'],
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users permissions']['fields']['value']['dbColumn'],
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$this->configuration['tables']['users']['table'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users']['id'],
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$this->configuration['tables']['permissions']['id'],
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$this->configuration['tables']['permissions categories']['table'],
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$this->configuration['tables']['permissions categories']['id']
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);
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$this->doSQL( $query );
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}
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/**
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* Adds a permission to the permissions table
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*
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* This simply adds a permission to the permissions table, adding the
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* category if it doesn't exist already.
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*
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* @parameter string $category Category to place the permission into
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* @parameter string $name The short name of the permission
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* @parameter string $description The long (display) name for the permission
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* @parameter boolean $defaultValue The default value for the permission
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*/
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public function addPermission ( $category, $name, $description, $defaultValue = 0 ) {
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$categoryID = $this->getAField(
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$this->tableColumnName ( 'permissions categories' ),
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$this->tableColumnName ( 'permissions categories', 'id' ),
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$this->tableColumnName ( 'permissions categories', 'name' ),
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$category
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);
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if ( ! $categoryID ) { // we did not find the category, so add it
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$this->doSQL( sprintf( "insert into %s ( %s ) values ( %s )",
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$this->tableColumnName ( 'permissions categories' ),
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$this->tableColumnName ( 'permissions categories', 'name' ),
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$this->escapeString($category)
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)
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);
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$categoryID = $this->getAField(
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$this->tableColumnName ( 'permissions categories' ),
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$this->tableColumnName ( 'permissions categories', 'id' ),
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$this->tableColumnName ( 'permissions categories', 'name' ),
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$category
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);
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} // if category not found
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$query = sprintf( "insert into %s ( %s,%s,%s,%s ) values ( %s,%s,%s,%s )",
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$this->tableColumnName ( 'permissions' ),
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$this->tableColumnName ( 'permissions', 'name' ),
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$this->tableColumnName ( 'permissions', 'description' ),
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$this->tableColumnName ( 'permissions', 'permission category' ),
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$this->tableColumnName ( 'permissions', 'default' ),
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$this->escapeString($name),
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$this->escapeString($description),
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$this->escapeString($categoryID),
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$defaultValue
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);
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$this->doSQL( $query );
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$permissionsID = $this->getAField(
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['id'],
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$this->configuration['tables']['permissions']['fields']['name']['dbColumn'],
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$this->escapeString($name)
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);
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} // addPermission
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/**
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* Sets any unset user permissions
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*
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* This will set any missing permissions which have a true value in the
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* users permissions join table. This will NOT modify any existing records
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* but will add new records if they do not exist in the table.
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*
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* @parameters string $user_id If set, will limit to only one user (not implemented)
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*/
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public function setUsersPermissions ( $user_id = null ) {
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$query = sprintf(
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"insert into %s (%s,%s,%s)
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select
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%s.%s,
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%s.%s,
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%s.%s
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from
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%s
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join %s
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where
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%s.%s
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and not exists
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(
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select 1
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from %s
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where
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%s.%s = %s.%s
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and %s.%s = %s.%s
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)",
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users permissions']['fields']['user_id']['dbColumn'],
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$this->configuration['tables']['users permissions']['fields']['permission_id']['dbColumn'],
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$this->configuration['tables']['users permissions']['fields']['value']['dbColumn'],
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$this->configuration['tables']['users']['table'],
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$this->configuration['tables']['users']['id'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['id'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['fields']['default']['dbColumn'],
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$this->configuration['tables']['users']['table'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['fields']['default']['dbColumn'],
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users permissions']['fields']['user_id']['dbColumn'],
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$this->configuration['tables']['users']['table'],
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$this->configuration['tables']['users']['id'],
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$this->configuration['tables']['users permissions']['table'],
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$this->configuration['tables']['users permissions']['fields']['permission_id']['dbColumn'],
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$this->configuration['tables']['permissions']['table'],
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$this->configuration['tables']['permissions']['id']
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);
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$this->doSQL($query, true );
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} // setUsersPermissions
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public function getARecord( $whereFields, $fieldList = null ) {
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$id = isset( $whereFields['id'] ) ? $whereFields['id'] : null;
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$result = parent::getARecord( $whereFields, $fieldList );
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if ( $result && isset( $id ) ) {
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$result['permissions'] = $this->getPermissions( $id );
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}
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return $result;
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}
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349 |
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350 |
/**
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351 |
* Gets permissions for one user
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352 |
*
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353 |
* NOTE: if $id is -1, indicating a new user, simply retrieves all
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354 |
* permissions from the permissions table with the default value
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355 |
*
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356 |
* WARNING: this uses the view, which is not as flexible as the
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357 |
* tables as far as modifying programmatically
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358 |
*
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359 |
* The return value is an associative array, where the key is
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360 |
* the permission (short) name and the value is 0 or 1 (boolean
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361 |
* true/false)
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362 |
*
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363 |
* @param integer $id the user id of the record we want.
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364 |
*
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365 |
* @returns string[] Array of associative arrays with all data
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366 |
*/
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367 |
public function getPermissions ( $id ) {
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368 |
$query = '';
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369 |
if ( $id == -1 ) {
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370 |
$query = "select name permission,default_value value from _permissions";
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371 |
} else {
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372 |
$query = "select permission,value from _view_users_permissions where users_id = $id";
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17 |
rodolico |
373 |
}
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21 |
rodolico |
374 |
$results = $this->doSQL( $query );
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|
375 |
$values = $results->fetch_all(MYSQLI_ASSOC);
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376 |
return array_column( $values, 'value', 'permission' );
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|
377 |
}
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|
378 |
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|
379 |
/**
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|
380 |
* Gets all permissions with names, group names, etc... from database
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|
381 |
*
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|
382 |
* NOTE: if $id is -1, indicating a new user, simply retrieves all
|
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|
383 |
* permissions from the permissions table with the default value
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|
384 |
*
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|
385 |
* WARNING: this uses the view, which is not as flexible as the
|
|
|
386 |
* tables as far as modifying programmatically
|
|
|
387 |
*
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|
|
388 |
* @param integer $id the user id of the record we want.
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|
389 |
* @returns string[] Array of associative arrays with all data
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|
390 |
*/
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|
391 |
public function getFullPermissions( $id ) {
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|
392 |
$query = '';
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|
393 |
if ( $id == -1 ) {
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|
394 |
$query = "select _permission_id permission_id, _permissions.name permission, description, _permissions_categories.name category, default_value value from _permissions join _permissions_categories using (_permission_category_id)";
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|
395 |
} else {
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|
396 |
$query = "select permission_id,permission,description,category,value from _view_users_permissions where users_id = $id order by category,description";
|
17 |
rodolico |
397 |
}
|
21 |
rodolico |
398 |
$results = $this->doSQL( $query );
|
|
|
399 |
return $results->fetch_all(MYSQLI_ASSOC);
|
|
|
400 |
}
|
16 |
rodolico |
401 |
|
21 |
rodolico |
402 |
/**
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|
403 |
* Adds/Updates a group of permissions for a user
|
|
|
404 |
*
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|
|
405 |
* @param integer $userID The user ID to update
|
|
|
406 |
* @param string[] $newData An array where the key is the field name and the value is the new value to use
|
|
|
407 |
*/
|
|
|
408 |
public function updatePermissions ( $userID, $newData ) {
|
|
|
409 |
$query = '';
|
|
|
410 |
foreach ( $newData as $key => $value ) {
|
|
|
411 |
$query = sprintf(
|
|
|
412 |
"insert into %s
|
|
|
413 |
( %s,%s,%s )
|
|
|
414 |
select %s, %s, %s
|
|
|
415 |
from %s
|
|
|
416 |
where %s = %s
|
|
|
417 |
on duplicate key update %s = %s",
|
|
|
418 |
$this->tableColumnName ( 'users permissions' ),
|
|
|
419 |
$this->tableColumnName ( 'users permissions', 'user_id' ),
|
|
|
420 |
$this->tableColumnName ( 'users permissions', 'permission_id' ),
|
|
|
421 |
$this->tableColumnName ( 'users permissions', 'value' ),
|
|
|
422 |
$userID,
|
|
|
423 |
$this->tableColumnName ( 'permissions', 'id', true ),
|
|
|
424 |
$value,
|
|
|
425 |
$this->tableColumnName ( 'permissions' ),
|
|
|
426 |
$this->tableColumnName ( 'permissions', 'name' ),
|
|
|
427 |
$this->escapeString($key),
|
|
|
428 |
$this->tableColumnName ( 'users permissions', 'value' ),
|
|
|
429 |
$value
|
|
|
430 |
);
|
|
|
431 |
$this->doSQL( $query );
|
|
|
432 |
}
|
|
|
433 |
} // update
|
|
|
434 |
|
16 |
rodolico |
435 |
}
|
|
|
436 |
|
|
|
437 |
?>
|