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port hubzillas OpenWebAuth - readd some ActivityPup code to HTTPSig

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rabuzarus 2018-06-19 13:18:35 +02:00
parent 35480fe4f9
commit af9116635b
1 changed files with 45 additions and 0 deletions
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45
src/Util/HTTPSig.php
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@ -6,8 +6,10 @@
namespace Friendica\Util;
use Friendica\Core\Config;
use Friendica\Database\DBM;
use Friendica\Util\Crypto;
use Friendica\Util\HTTPHeaders;
use dba;
/**
* @brief Implements HTTP Signatures per draft-cavage-http-signatures-07.
@ -120,6 +122,12 @@ class HTTPSig
$key = $key($sig_block['keyId']);
}
// We don't use Activity Pub at the moment.
// if (!$key) {
// $result['signer'] = $sig_block['keyId'];
// $key = self::getActivitypubKey($sig_block['keyId']);
// }
if (!$key) {
return $result;
}
@ -158,6 +166,43 @@ class HTTPSig
return $result;
}
/**
* Fetch the public key for Activity Pub contact.
*
* @param string|int The identifier (contact addr or contact ID).
* @return string|boolean The public key or false on failure.
*/
private static function getActivitypubKey($id)
{
if (strpos($id, 'acct:') === 0) {
$x = dba::selectFirst('contact', ['pubkey'], ['uid' => 0, 'addr' => str_replace('acct:', '', $id)]);
} else {
$x = dba::selectFirst('contact', ['pubkey'], ['id' => $id, 'network' => 'activitypub']);
}
if (DBM::is_result($x)) {
return $x['pubkey'];
}
if(function_exists('as_fetch')) {
$r = as_fetch($id);
}
if ($r) {
$j = json_decode($r, true);
if (array_key_exists('publicKey', $j) && array_key_exists('publicKeyPem', $j['publicKey'])) {
if ((array_key_exists('id', $j['publicKey']) && $j['publicKey']['id'] !== $id) && $j['id'] !== $id) {
return false;
}
return $j['publicKey']['publicKeyPem'];
}
}
return false;
}
/**
* @brief
*