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-rwxr-xr-x[-rw-r--r--]include/diaspora.php193
1 files changed, 147 insertions, 46 deletions
diff --git a/include/diaspora.php b/include/diaspora.php
index f7c2c5e8e..1e6662f04 100644..100755
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -83,6 +83,9 @@ function diaspora_dispatch($importer,$msg) {
elseif($xmlbase->signed_retraction) {
$ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
}
+ elseif($xmlbase->relayable_retraction) {
+ $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
+ }
elseif($xmlbase->photo) {
$ret = diaspora_photo($importer,$xmlbase->photo,$msg);
}
@@ -677,7 +680,7 @@ function diaspora_post($importer,$xml) {
return;
}
- // allocate a guid on our system - we aren't fixing any collisions.
+ // allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
$g = q("select * from guid where guid = '%s' limit 1",
@@ -844,7 +847,7 @@ function diaspora_reshare($importer,$xml) {
$prefix = '♲ ' . $details . "\n";
- // allocate a guid on our system - we aren't fixing any collisions.
+ // allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
$g = q("select * from guid where guid = '%s' limit 1",
@@ -948,7 +951,7 @@ function diaspora_asphoto($importer,$xml) {
return;
}
- // allocate a guid on our system - we aren't fixing any collisions.
+ // allocate a guid on our system - we aren't fixing any collisions.
// we're ignoring them
$g = q("select * from guid where guid = '%s' limit 1",
@@ -1602,22 +1605,28 @@ function diaspora_like($importer,$xml,$msg) {
logger('diaspora_like: duplicate like: ' . $guid);
return;
}
+ // Note: I don't think "Like" objects with positive = "false" are ever actually used
+ // It looks like "RelayableRetractions" are used for "unlike" instead
if($positive === 'false') {
- q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ logger('diaspora_like: received a like with positive set to "false"...ignoring');
+/* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($r[0]['id']),
intval($importer['uid'])
- );
+ );*/
// FIXME
// send notification via proc_run()
return;
}
}
+ // Note: I don't think "Like" objects with positive = "false" are ever actually used
+ // It looks like "RelayableRetractions" are used for "unlike" instead
if($positive === 'false') {
- logger('diaspora_like: unlike received with no corresponding like');
+ logger('diaspora_like: received a like with positive set to "false"');
+ logger('diaspora_like: unlike received with no corresponding like...ignoring');
return;
}
- $author_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
+ $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
$author_signature = base64_decode($author_signature);
@@ -1635,20 +1644,20 @@ function diaspora_like($importer,$xml,$msg) {
}
}
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
+ if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
logger('diaspora_like: verification failed.');
return;
}
if($parent_author_signature) {
- $owner_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
+ //$owner_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
$parent_author_signature = base64_decode($parent_author_signature);
$key = $msg['key'];
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
+ if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
logger('diaspora_like: owner verification failed.');
return;
}
@@ -1783,38 +1792,89 @@ function diaspora_signed_retraction($importer,$xml,$msg) {
$type = notags(unxmlify($xml->target_type));
$sig = notags(unxmlify($xml->target_author_signature));
+ $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
+
$contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
if(! $contact) {
logger('diaspora_signed_retraction: no contact');
return;
}
- // this may not yet work for comments. Need to see how the relaying works
- // and figure out who signs it.
-
$signed_data = $guid . ';' . $type ;
- $sig = base64_decode($sig);
+ $sig_decode = base64_decode($sig);
- $key = $msg['key'];
+ if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
+ $person = $contact;
+ $key = $msg['key'];
+ }
+ else {
+ $person = find_diaspora_person_by_handle($diaspora_handle);
+
+ if(is_array($person) && x($person,'pubkey'))
+ $key = $person['pubkey'];
+ else {
+ logger('diaspora_signed_retraction: unable to find author details');
+ return;
+ }
+ }
- if(! rsa_verify($signed_data,$sig,$key,'sha256')) {
- logger('diaspora_signed_retraction: owner verification failed.' . print_r($msg,true));
+ if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
+ logger('diaspora_signed_retraction: retraction-owner verification failed.' . print_r($msg,true));
return;
}
- if($type === 'StatusMessage') {
+ if($parent_author_signature) {
+ $parent_author_signature = base64_decode($parent_author_signature);
+
+ $key = $msg['key'];
+
+ if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
+ logger('diaspora_signed_retraction: failed to verify person relaying the retraction (e.g. owner of a post relaying a retracted comment');
+ return;
+ }
+
+ }
+
+ if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
$r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
dbesc($guid),
intval($importer['uid'])
);
if(count($r)) {
if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1",
+ q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d limit 1",
+ dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($r[0]['id'])
);
+
+ // Now check if the retraction needs to be relayed by us
+ //
+ // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
+ // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
+ // The only item with `parent` and `id` as the parent id is the parent item.
+ $p = q("select origin from item where parent = %d and id = %d limit 1",
+ $r[0]['parent'],
+ $r[0]['parent']
+ );
+ if(count($p)) {
+ if(($p[0]['origin']) && (! $parent_author_signature)) {
+ q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ $r[0]['id'],
+ dbesc($signed_data),
+ dbesc($sig),
+ dbesc($diaspora_handle)
+ );
+
+ // the existence of parent_author_signature would have meant the parent_author or owner
+ // is already relaying.
+ logger('diaspora_signed_retraction: relaying relayable_retraction');
+
+ proc_run('php','include/notifier.php','relayable_retraction',$r[0]['id']);
+ }
+ }
}
}
}
@@ -2071,7 +2131,11 @@ function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
$tpl = get_markup_template('diaspora_like.tpl');
$like = true;
$target_type = 'Post';
- $positive = (($item['deleted']) ? 'false' : 'true');
+// $positive = (($item['deleted']) ? 'false' : 'true');
+ $positive = 'true';
+
+ if(($item['deleted']))
+ logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
}
else {
$tpl = get_markup_template('diaspora_comment.tpl');
@@ -2111,7 +2175,7 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
$a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
$theiraddr = $contact['addr'];
@@ -2127,29 +2191,35 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
else
return;
- if($item['verb'] === ACTIVITY_LIKE) {
+ $like = false;
+ $relay_retract = false;
+ $sql_sign_id = 'iid';
+ if( $item['deleted']) {
+ $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
+ $relay_retract = true;
+ $sql_sign_id = 'retract_iid';
+ $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
+ }
+ elseif($item['verb'] === ACTIVITY_LIKE) {
$tpl = get_markup_template('diaspora_like_relay.tpl');
$like = true;
$target_type = 'Post';
- $positive = (($item['deleted']) ? 'false' : 'true');
+// $positive = (($item['deleted']) ? 'false' : 'true');
+ $positive = 'true';
}
else {
$tpl = get_markup_template('diaspora_comment_relay.tpl');
- $like = false;
}
$body = $item['body'];
$text = html_entity_decode(bb2diaspora($body));
- // fetch the original signature if somebody sent the post to us to relay
- // If we are relaying for a reply originating on our own account, there wasn't a 'send to relay'
- // action. It wasn't needed. In that case create the original signature and the
- // owner (parent author) signature
- // comments from other networks will be relayed under our name, with a brief
- // preamble to describe what's happening and noting the real author
- $r = q("select * from sign where iid = %d limit 1",
+ // fetch the original signature if the relayable was created by a Diaspora
+ // or DFRN user. Relayables for other networks are not supported.
+
+ $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
intval($item['id'])
);
if(count($r)) {
@@ -2160,6 +2230,12 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
}
else {
+ // Author signature information (for likes, comments, and retractions of likes or comments,
+ // whether from Diaspora or Friendica) must be placed in the `sign` table before this
+ // function is called
+ logger('diaspora_send_relay: original author signature not found, cannot send relayable');
+ return;
+/*
$itemcontact = q("select * from contact where `id` = %d limit 1",
intval($item['contact-id'])
);
@@ -2168,29 +2244,40 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
$prefix = sprintf( t('[Relayed] Comment authored by %s from network %s'),
'['. $item['author-name'] . ']' . '(' . $item['author-link'] . ')',
network_to_name($itemcontact['network'])) . "\n";
+ // "$body" was assigned to "$text" above. It isn't used after that, so I don't think
+ // the following change will do anything
$body = $prefix . $body;
+
+ // I think this comment will fail upon reaching Diaspora, because "$signed_text" is not defined
}
}
else {
+ // I'm confused about this "else." Since it sets "$handle = $myaddr," it seems like it should be for the case
+ // where the top-level post owner commented on his own post, i.e. "$itemcontact[0]['self']" is true. But it's
+ // positioned to be for the case where "count($itemcontact)" is 0.
+
+ $handle = $myaddr;
if($like)
- $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $myaddr;
+ $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $handle;
+ elseif($relay_retract)
+ $signed_text = $item['guid'] . ';' . $target_type;
else
- $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
+ $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $handle;
$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ q("insert into sign (`" . $sql_sign_id . "`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($item['id']),
dbesc($signed_text),
- dbesc(base64_encode($authorsig)),
- dbesc($myaddr)
+ dbesc($authorsig),
+ dbesc($handle)
);
- $handle = $myaddr;
}
+*/
}
- // sign it
+ // sign it with the top-level owner's signature
$parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
@@ -2198,14 +2285,15 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
'$guid' => xmlify($item['guid']),
'$parent_guid' => xmlify($parent_guid),
'$target_type' =>xmlify($target_type),
- '$authorsig' => xmlify($orig_sign['signature']),
+ '$authorsig' => xmlify($authorsig),
'$parentsig' => xmlify($parentauthorsig),
'$body' => xmlify($text),
'$positive' => xmlify($positive),
'$handle' => xmlify($handle)
));
- logger('diaspora_relay_comment: base message: ' . $msg, LOGGER_DATA);
+ logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
+
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
@@ -2220,14 +2308,25 @@ function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
$a = get_app();
$myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $signed_text = $item['guid'] . ';' . 'StatusMessage';
+ // Check whether the retraction is for a top-level post or whether it's a relayable
+ if( $item['uri'] !== $item['parent-uri'] ) {
+
+ $tpl = get_markup_template('diaspora_relay_retraction.tpl');
+ $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
+ }
+ else {
+
+ $tpl = get_markup_template('diaspora_signed_retract.tpl');
+ $target_type = 'StatusMessage';
+ }
+
+ $signed_text = $item['guid'] . ';' . $target_type;
- $tpl = get_markup_template('diaspora_signed_retract.tpl');
$msg = replace_macros($tpl, array(
- '$guid' => $item['guid'],
- '$type' => 'StatusMessage',
- '$handle' => $myaddr,
- '$signature' => base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'))
+ '$guid' => xmlify($item['guid']),
+ '$type' => xmlify($target_type),
+ '$handle' => xmlify($myaddr),
+ '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
));
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
@@ -2351,3 +2450,5 @@ function diaspora_transmit($owner,$contact,$slap,$public_batch) {
return(($return_code) ? $return_code : (-1));
}
+
+