bitPickups/friendica_2020-09-1_sharedHosting
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tag each side of the duplex

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This commit is contained in:
Mike Macgirvin 2010-09-12 21:25:37 -07:00
parent 19661d4c25
commit 2c96ad7739
5 changed files with 222 additions and 58 deletions
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17
include/notifier.php
View file

@ -278,10 +278,19 @@
if((! strlen($rr['dfrn-id'])) && (! $rr['duplex']))
continue;
$idtosend = (($rr['dfrn-id']) ? $rr['dfrn-id'] : $rr['issued-id']);
$idtosend = $orig_id = (($rr['dfrn-id']) ? $rr['dfrn-id'] : $rr['issued-id']);
if($rr['duplex'] && $rr['dfrn-id'])
$idtosend = '0:' . $orig_id;
if($rr['duplex'] && $rr['issued-id'])
$idtosend = '1:' . $orig_id;
$url = $rr['notify'] . '?dfrn_id=' . $idtosend;
if($debugging)
echo "URL: $url";
$xml = fetch_url($url);
if($debugging)
@ -312,7 +321,11 @@
}
$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
if($final_dfrn_id != $idtosend) {
if(strpos($final_dfrn_id,':') == 1)
$final_dfrn_id = substr($final_dfrn_id,2);
if($final_dfrn_id != $orig_id) {
// did not decode properly - cannot trust this site
continue;
}

21
include/poller.php
View file

@ -79,10 +79,16 @@
? datetime_convert('UTC','UTC','now - 30 days','Y-m-d\TH:i:s\Z')
: datetime_convert('UTC','UTC',$contact['last-update'],'Y-m-d\TH:i:s\Z'));
$idtosend = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
if(intval($contact['duplex']) && $contact['dfrn-id'])
$idtosend = '0:' . $orig_id;
if(intval($contact['duplex']) && $contact['issued-id'])
$idtosend = '1:' . $orig_id;
$url = $contact['poll'] . '?dfrn_id=' . $idtosend . '&type=data&last_update=' . $last_update ;
$xml = fetch_url($url);
if($debugging) {
@ -93,6 +99,8 @@
if(! $xml)
continue;
$res = simplexml_load_string($xml);
if(intval($res->status) == 1)
@ -122,13 +130,20 @@
}
$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
if($final_dfrn_id != $idtosend) {
if(strpos($final_dfrn_id,':') == 1)
$final_dfrn_id = substr($final_dfrn_id,2);
if($final_dfrn_id != $orig_id) {
// did not decode properly - cannot trust this site
continue;
}
$postvars['dfrn_id'] = $idtosend;
$xml = post_url($contact['poll'],$postvars);
if($debugging) {

74
mod/dfrn_notify.php
View file

@ -9,6 +9,13 @@ function dfrn_notify_post(&$a) {
$dfrn_id = notags(trim($_POST['dfrn_id']));
$challenge = notags(trim($_POST['challenge']));
$data = $_POST['data'];
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
$r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
@ -23,11 +30,26 @@ function dfrn_notify_post(&$a) {
// find the local user who owns this relationship.
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
break;
default:
xml_status(3);
break; // NOTREACHED
}
$r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`, `user`.* FROM `contact`
LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE ( `issued-id` = '%s' OR ( `duplex` = 1 AND `dfrn-id` = '%s' )) LIMIT 1",
dbesc($dfrn_id),
dbesc($dfrn_id)
WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 $sql_extra LIMIT 1"
);
if(! count($r)) {
@ -336,7 +358,18 @@ function dfrn_notify_post(&$a) {
function dfrn_notify_content(&$a) {
if(x($_GET,'dfrn_id')) {
// initial communication from external contact
// initial communication from external contact, $direction is their direction.
// If this is a duplex communication, ours will be the opposite.
$dfrn_id = notags(trim($_GET['dfrn_id']));
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
$hash = random_string();
$status = 0;
@ -346,21 +379,40 @@ function dfrn_notify_content(&$a) {
$r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
VALUES( '%s', '%s', '%s') ",
dbesc($hash),
dbesc(notags(trim($_GET['dfrn_id']))),
dbesc($dfrn_id),
intval(time() + 60 )
);
$r = q("SELECT * FROM `contact` WHERE ( `issued-id` = '%s' OR ( `duplex` = 1 AND `dfrn-id` = '%s'))
AND `blocked` = 0 AND `pending` = 0 LIMIT 1",
dbesc($_GET['dfrn_id']),
dbesc($_GET['dfrn_id'])
);
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '1:' . $dfrn_id;
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '0:' . $dfrn_id;
break;
default:
$status = 1;
break; // NOTREACHED
}
$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
if(! count($r))
$status = 1;
$challenge = '';
$encrypted_id = '';
$id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999);
$id_str = $my_id . '.' . mt_rand(1000,9999);
if(($r[0]['duplex']) && strlen($r[0]['pubkey'])) {
openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);

156
mod/dfrn_poll.php
View file

@ -17,51 +17,69 @@ function dfrn_poll_init(&$a) {
$dfrn_version = ((x($_GET,'dfrn_version')) ? $_GET['dfrn_version'] : '1.0');
$destination_url = ((x($_GET,'destination_url')) ? $_GET['destination_url'] : '');
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
if(($dfrn_id == '') && (! x($_POST,'dfrn_id')) && ($a->argc > 1)) {
$o = get_feed_for($a,'*', $a->argv[1],$last_update);
$o = get_feed_for($a, '*', $a->argv[1],$last_update);
echo $o;
killme();
}
if((x($type)) && ($type == 'profile')) {
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '1:' . $dfrn_id;
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '0:' . $dfrn_id;
break;
default:
goaway($a->get_baseurl());
break; // NOTREACHED
}
$r = q("SELECT `contact`.*, `user`.`nickname`
FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE ( `dfrn-id` = '%s' OR ( `issued-id` = '%s' AND `duplex` = 1 )) ",
dbesc($dfrn_id),
dbesc($dfrn_id)
);
WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 $sql_extra LIMIT 1");
if(count($r)) {
foreach($r as $rr) {
// On a multi-user site, the query above *may* have returned two results.
// One of those could be the logged-in user who is now visiting "this" cell,
// as both share the dfrn_id. We will skip that entry if it unfortunately
// happens to come up first.
$s = fetch_url($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check');
if(local_user() && ($rr['uid'] == get_uid()))
continue;
if(strlen($s)) {
$s = fetch_url($rr['poll'] . '?dfrn_id=' . $dfrn_id . '&type=profile-check');
if(strlen($s)) {
$xml = simplexml_load_string($s);
if((int) $xml->status == 1) {
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $rr['id'];
notice( t('Hi ') . $rr['name'] . EOL);
// Visitors get 1 day session.
$session_id = session_id();
$expire = time() + 86400;
q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1",
dbesc($expire),
dbesc($session_id)
);
}
$xml = simplexml_load_string($s);
if((int) $xml->status == 1) {
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $r[0]['id'];
notice( t('Hi ') . $r[0]['name'] . EOL);
// Visitors get 1 day session.
$session_id = session_id();
$expire = time() + 86400;
q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s' LIMIT 1",
dbesc($expire),
dbesc($session_id)
);
}
$profile = $rr['nickname'];
goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile);
}
$profile = $r[0]['nickname'];
goaway((strlen($destination_url)) ? $destination_url : $a->get_baseurl() . '/profile/' . $profile);
}
goaway($a->get_baseurl());
@ -69,6 +87,16 @@ function dfrn_poll_init(&$a) {
if((x($type)) && ($type == 'profile-check')) {
switch($direction) {
case 1:
$dfrn_id = '0:' . $dfrn_id;
break;
case 0:
$dfrn_id = '1:' . $dfrn_id;
break;
default:
break;
}
q("DELETE FROM `profile_check` WHERE `expire` < " . intval(time()));
$r = q("SELECT * FROM `profile_check` WHERE `dfrn_id` = '%s' ORDER BY `expire` DESC",
dbesc($dfrn_id));
@ -91,6 +119,12 @@ function dfrn_poll_post(&$a) {
$challenge = notags(trim($_POST['challenge']));
$url = $_POST['url'];
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
$r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
@ -107,10 +141,28 @@ function dfrn_poll_post(&$a) {
);
$r = q("SELECT * FROM `contact` WHERE ( `issued-id` = '%s' OR ( `dfrn-id` = '%s' AND `duplex` = 1 )) LIMIT 1",
dbesc($dfrn_id),
dbesc($dfrn_id)
);
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '1:' . $dfrn_id;
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '0:' . $dfrn_id;
break;
default:
goaway($a->get_baseurl());
break; // NOTREACHED
}
$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
if(! count($r))
killme();
@ -169,6 +221,12 @@ function dfrn_poll_content(&$a) {
if(x($_GET,'last_update'))
$last_update = $a->config['dfrn_poll_last_update'] = $_GET['last_update'];
$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
if($dfrn_id != '') {
// initial communication from external contact
@ -187,16 +245,36 @@ function dfrn_poll_content(&$a) {
dbesc($last_update)
);
$r = q("SELECT * FROM `contact` WHERE ( `issued-id` = '%s' OR ( `dfrn-id` = '%s' AND `duplex` = 1 ))
AND `blocked` = 0 AND `pending` = 0 LIMIT 1",
dbesc($_GET['dfrn_id']),
dbesc($_GET['dfrn_id'])
);
$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
$my_id = $dfrn_id;
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '1:' . $dfrn_id;
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '0:' . $dfrn_id;
break;
default:
goaway($a->get_baseurl());
break; // NOTREACHED
}
$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
if(count($r)) {
$challenge = '';
$encrypted_id = '';
$id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999);
$id_str = $my_id . '.' . mt_rand(1000,9999);
if($r[0]['duplex'] && strlen($r[0]['pubkey'])) {

12
mod/redir.php
View file

@ -10,10 +10,16 @@ function redir_init(&$a) {
if(! count($r))
goaway($a->get_baseurl());
$dfrn_id = $r[0]['issued-id'];
if((! $dfrn_id) && ($r[0]['duplex']))
$dfrn_id = $r[0]['dfrn-id'];
$dfrn_id = $orig_id = $r[0]['issued-id'];
if($r[0]['duplex'] && $r[0]['issued-id']) {
$orig_id = $r[0]['issued-id'];
$dfrn_id = '1:' . $orig_id;
}
if($r[0]['duplex'] && $r[0]['dfrn-id']) {
$orig_id = $r[0]['dfrn-id'];
$dfrn_id = '0:' . $orig_id;
}
q("INSERT INTO `profile_check` ( `uid`, `dfrn_id`, `expire`)
VALUES( %d, '%s', %d )",
intval($_SESSION['uid']),