wp-all-export / classes / handler.php

handler.php in WP All Export – Drag & Drop Export to Any Custom CSV, XML & Excel 1.4.5, at classes/handler.php

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1	<?php
2
3	class PMXE_Handler extends PMXE_Session
4	{
5	/** cookie name */
6	private $_cookie;
7
8	/** session due to expire timestamp */
9	private $_session_expiring;
10
11	/** session expiration timestamp */
12	private $_session_expiration;
13
14	/ Bool based on whether a cookie exists /
15	private $_has_cookie = false;
16
17	/**
18	* Constructor for the session class.
19	*
20	* @access public
21	* @return void
22	*/
23	public function __construct()
24	{
25
26	$this->set_session_expiration();
27
28	$this->_import_id = $this->generate_import_id();
29
30	$this->_data = $this->get_session_data();
31
32	}
33
34	/**
35	* Return true if the current user has an active session, i.e. a cookie to retrieve values
36	* @return boolean
37	*/
38	public function has_session()
39	{
40	return isset( $_COOKIE[ $this->_cookie ] ) \|\| $this->_has_cookie \|\| is_user_logged_in();
41	}
42
43	/**
44	* set_session_expiration function.
45	*
46	* @access public
47	* @return void
48	*/
49	public function set_session_expiration()
50	{
51	$this->_session_expiring = time() + intval( apply_filters( 'wpallexport_session_expiring', 60 * 60 * 47 ) ); // 47 Hours
52	$this->_session_expiration = time() + intval( apply_filters( 'wpallexport_session_expiration', 60 * 60 * 48 ) ); // 48 Hours
53	}
54
55	public function generate_import_id()
56	{
57	$input = new PMXE_Input();
58	$import_id = $input->get('id', 'new');
59
60	return $import_id;
61	}
62
63	/**
64	* get_session_data function.
65	*
66	* @access public
67	* @return array
68	*/
69	public function get_session_data()
70	{
71	global $wpdb;
72
73	$session = $wpdb->get_row( $wpdb->prepare("SELECT option_name, option_value FROM $wpdb->options WHERE option_name = %s", '_wpallexport_session_' . $this->_import_id . '_'), ARRAY_A );
74
75	return empty($session) ? array() : maybe_unserialize($session['option_value']);
76	}
77
78	/**
79	* get_session_data function.
80	*
81	* @access public
82	* @return array
83	*/
84	public function get_clear_session_data()
85	{
86	$this->_data = $this->get_session_data();
87	$clear_data = array();
88	foreach ($this->_data as $key => $value) {
89	$ckey = sanitize_key( $key );
90	$clear_data[ $ckey ] = maybe_unserialize( $value );
91	}
92
93	return $clear_data;
94	}
95
96	/**
97	* save_data function.
98	*
99	* @access public
100	* @return void
101	*/
102	public function save_data()
103	{
104	// Dirty if something changed - prevents saving nothing new
105	if ( $this->_dirty && $this->has_session() )
106	{
107	$session_option = '_wpallexport_session_' . $this->_import_id . '_';
108	$session_expiry_option = '_wpallexport_session_expires_' . $this->_import_id . '_';
109
110	global $wpdb;
111
112	$session = $wpdb->get_row( $wpdb->prepare("SELECT option_name, option_value FROM $wpdb->options WHERE option_name = %s", $session_option), ARRAY_A );
113
114	if ( empty($session) )
115	{
116	$wpdb->query($wpdb->prepare("INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no')", $session_option, serialize($this->_data)));
117	$wpdb->query($wpdb->prepare("INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no')", $session_expiry_option, $this->_session_expiration));
118	// add_option( $session_option, $this->_data, '', 'no' );
119	// add_option( $session_expiry_option, $this->_session_expiration, '', 'no' );
120	} else {
121	// update_option( $session_option, $this->_data );
122	$wpdb->query($wpdb->prepare("UPDATE `$wpdb->options` SET `option_value` = %s WHERE `option_name` = %s", serialize($this->_data), $session_option));
123	}
124	}
125	}
126
127	public function clean_session( $import_id = 'new' )
128	{
129	global $wpdb;
130
131	$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->options WHERE option_name = %s", '_wpallexport_session_' . $import_id . '_') );
132	$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->options WHERE option_name = %s", '_wpallexport_session_expires_' . $import_id . '_') );
133	}
134	}