1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
<?php
namespace Zotlabs\Zot;
class Receiver {
protected $data;
protected $encrypted;
protected $error;
protected $messagetype;
protected $sender;
protected $validated;
protected $recipients;
protected $response;
function __construct($data,$prvkey) {
$this->error = false;
$this->validated = false;
$this->messagetype = '';
$this->response = array('success' => false);
if(! is_array($data))
$data = json_decode($data,true);
if($data && is_array($data)) {
$this->encrypted = ((array_key_exists('iv',$data)) ? true : false);
if($this->encrypted) {
$this->data = @json_decode(@crypto_unencapsulate($data,$prvkey),true);
}
if(! $this->data)
$this->data = $data;
if($this->data && is_array($this->data) && array_key_exists('type',$this->data))
$this->messagetype = $this->data['type'];
}
if(! $this->messagetype)
$error = true;
$this->sender = ((array_key_exists('sender',$this->data)) ? $this->data['sender'] : null);
$this->recipients = ((array_key_exists('recipients',$this->data)) ? $this->data['recipients'] : null);
if($this->sender)
$this->ValidateSender();
$this->Dispatch();
}
function ValidateSender() {
$hubs = zot_gethub($this->sender,true);
if (! $hubs) {
/* Have never seen this guid or this guid coming from this location. Check it and register it. */
/* (!!) this will validate the sender. */
$result = zot_register_hub($this->sender);
if ((! $result['success']) || (! ($hubs = zot_gethub($this->sender,true)))) {
$this->response['message'] = 'Hub not available.';
json_return_and_die($this->response);
}
}
foreach($hubs as $hub) {
update_hub_connected($hub,((array_key_exists('sitekey',$this->sender)) ? $this->sender['sitekey'] : ''));
}
$this->validated = true;
}
function Dispatch() {
/* Handle tasks which don't require sender validation */
switch($this->messagetype) {
case 'ping':
/* no validation needed */
zot_reply_ping();
break;
case 'pickup':
zot_reply_pickup($this->data);
/* perform site validation, as opposed to sender validation */
break;
default:
if(! $this->validated) {
$this->response['message'] = 'Sender not valid';
json_return_and_die($this->response);
}
break;
}
/* Now handle tasks which require sender validation */
switch($this->messagetype) {
case 'auth_check':
zot_reply_auth_check($this->data,$this->encrypted);
break;
case 'request':
json_return_and_die(zot_process_message_request($this->data));
break;
case 'purge':
zot_reply_purge($this->sender,$this->recipients);
break;
case 'refresh':
case 'force_refresh':
zot_reply_refresh($this->sender,$this->recipients);
break;
case 'notify':
zot_reply_notify($this->data);
break;
default:
$this->response['message'] = 'Not implemented';
json_return_and_die($this->response);
break;
}
}
}
|
