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
|
<?php
declare(strict_types=1);
require_once __DIR__ . '/yamn_config.php';
/**
* Queue an already encrypted YAMN envelope with the local Rust Nym sender.
*
* The handoff callback runs only after the persistent sender has accepted the
* envelope into its bounded in-memory queue. The daemon is the sole owner of
* the Nym client storage and never writes queued envelopes to disk.
*/
function sendNymEnvelope(
string $payload,
int $copies = 1,
?string $selectedEntryAddress = null,
?callable $onHandoff = null
): array
{
$socketPath = yamnConfig('YAMN_NYM_SOCKET', '/run/yamnweb/nym-sender.sock');
$entryAddress = $selectedEntryAddress ?? yamnConfig('YAMN_ENTRY_ADDRESS');
if (
dirname($socketPath) !== '/run/yamnweb'
|| basename($socketPath) === ''
|| str_contains($socketPath, "\0")
) {
return ['success' => false, 'error' => 'Nym sender socket is not configured correctly'];
}
if ($entryAddress === '' || strlen($entryAddress) > 320 || preg_match('/[\r\n\0\s]/', $entryAddress)) {
return ['success' => false, 'error' => 'YAMN entry address is not configured'];
}
if ($copies !== 1) {
return ['success' => false, 'error' => 'Multiple copies are not enabled for Nym'];
}
if ($payload === '' || strlen($payload) > 65536 || str_contains($payload, "\0")) {
return ['success' => false, 'error' => 'Invalid encrypted YAMN envelope'];
}
try {
$input = json_encode([
'entry_address' => $entryAddress,
'payload' => $payload,
], JSON_THROW_ON_ERROR);
} catch (JsonException $exception) {
return ['success' => false, 'error' => 'Unable to encode Nym request'];
}
$errno = 0;
$error = '';
$socket = @stream_socket_client(
'unix://' . $socketPath,
$errno,
$error,
3,
STREAM_CLIENT_CONNECT
);
if (!is_resource($socket)) {
return ['success' => false, 'error' => 'Nym sender is not available'];
}
stream_set_timeout($socket, 5);
$inputLength = strlen($input);
$offset = 0;
while ($offset < $inputLength) {
$written = fwrite($socket, substr($input, $offset));
if ($written === false || $written === 0) {
break;
}
$offset += $written;
}
if ($offset !== $inputLength) {
fclose($socket);
return ['success' => false, 'error' => 'Unable to queue envelope with Nym sender'];
}
if (!stream_socket_shutdown($socket, STREAM_SHUT_WR)) {
fclose($socket);
return ['success' => false, 'error' => 'Unable to finish Nym queue request'];
}
$responseText = stream_get_contents($socket, 4096);
$metadata = stream_get_meta_data($socket);
fclose($socket);
if (($metadata['timed_out'] ?? false) === true || !is_string($responseText)) {
return ['success' => false, 'error' => 'Nym sender did not accept the queue request'];
}
$response = json_decode($responseText, true);
if (!is_array($response) || ($response['success'] ?? false) !== true) {
$queueError = is_array($response) && is_string($response['error'] ?? null)
? $response['error']
: 'Nym sender rejected the queue request';
return ['success' => false, 'error' => $queueError];
}
if ($onHandoff !== null) {
$onHandoff();
}
return ['success' => true];
}
|
