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-rwxr-xr-xinclude/items.php131
1 files changed, 82 insertions, 49 deletions
diff --git a/include/items.php b/include/items.php
index e495393fa..af46eaaa1 100755
--- a/include/items.php
+++ b/include/items.php
@@ -383,16 +383,21 @@ function get_atom_elements($feed,$item) {
$res['app'] = 'OStatus';
}
+
// base64 encoded json structure representing Diaspora signature
+ $dspr_enabled = intval(get_config('system','diaspora_enabled'));
+
+ if( $dspr_enabled) {
+ $dsig = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_signature');
+ if($dsig) {
+ $res['dsprsig'] = unxmlify($dsig[0]['data']);
+ }
- $dsig = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_signature');
- if($dsig) {
- $res['dsprsig'] = unxmlify($dsig[0]['data']);
+ $dguid = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_guid');
+ if($dguid)
+ $res['guid'] = unxmlify($dguid[0]['data']);
}
- $dguid = $item->get_item_tags(NAMESPACE_DFRN,'diaspora_guid');
- if($dguid)
- $res['guid'] = unxmlify($dguid[0]['data']);
$bm = $item->get_item_tags(NAMESPACE_DFRN,'bookmark');
if($bm)
@@ -699,13 +704,17 @@ function item_store($arr,$force_parent = false) {
// If a Diaspora signature structure was passed in, pull it out of the
// item array and set it aside for later storage.
+ $dspr_enabled = intval(get_config('system','diaspora_enabled'));
$dsprsig = null;
+
if(x($arr,'dsprsig')) {
- $dsprsig = json_decode(base64_decode($arr['dsprsig']));
+ if($dspr_enabled)
+ $dsprsig = json_decode(base64_decode($arr['dsprsig']));
unset($arr['dsprsig']);
}
+
if(x($arr, 'gravity'))
$arr['gravity'] = intval($arr['gravity']);
elseif($arr['parent-uri'] === $arr['uri'])
@@ -934,7 +943,9 @@ function item_store($arr,$force_parent = false) {
intval($parent_id)
);
- if($dsprsig) {
+
+ // Store the Diaspora signature if there is one
+ if($dspr_enabled && $dsprsig) {
q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
intval($current_post),
dbesc($dsprsig->signed_text),
@@ -1008,6 +1019,7 @@ function tag_deliver($uid,$item_id) {
$dlink = normalise_link($a->get_baseurl() . '/u/' . $u[0]['nickname']);
+
$cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism',$item['body'],$matches,PREG_SET_ORDER);
if($cnt) {
foreach($matches as $mtch) {
@@ -2973,12 +2985,15 @@ function atom_entry($item,$type,$author,$owner,$comment = false,$cid = 0) {
if($item['app'])
$o .= '<statusnet:notice_info local_id="' . $item['id'] . '" source="' . xmlify($item['app']) . '" ></statusnet:notice_info>' . "\r\n";
- if($item['guid'])
- $o .= '<dfrn:diaspora_guid>' . $item['guid'] . '</dfrn:diaspora_guid>' . "\r\n";
+ $dspr_enabled = intval(get_config('system','diaspora_enabled'));
+ if( $dspr_enabled) {
+ if($item['guid'])
+ $o .= '<dfrn:diaspora_guid>' . $item['guid'] . '</dfrn:diaspora_guid>' . "\r\n";
- if($item['signed_text']) {
- $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
- $o .= '<dfrn:diaspora_signature>' . xmlify($sign) . '</dfrn:diaspora_signature>' . "\r\n";
+ if($item['signed_text']) {
+ $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
+ $o .= '<dfrn:diaspora_signature>' . xmlify($sign) . '</dfrn:diaspora_signature>' . "\r\n";
+ }
}
$verb = construct_verb($item);
@@ -3317,7 +3332,9 @@ function drop_item($id,$interactive = true) {
// ignore the result
}
- // clean up item_id and sign meta-data tables
+ // clean up item_id and sign (Diaspora signature) meta-data tables
+ // Clean up the sign table even if Diaspora support is disabled. We may still need to
+ // clean it up if Diaspora support had been enabled in the past
$r = q("DELETE FROM item_id where iid in (select id from item where parent = %d and uid = %d)",
intval($item['id']),
@@ -3359,40 +3376,8 @@ function drop_item($id,$interactive = true) {
);
}
- // Add a relayable_retraction signature for Diaspora. Note that we can't add a target_author_signature
- // if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting
- // the comment, that means we're the home of the post, and Diaspora will only
- // check the parent_author_signature of retractions that it doesn't have to relay further
- //
- // I don't think this function gets called for an "unlike," but I'll check anyway
- $signed_text = $item['guid'] . ';' . ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
-
- if(local_user() == $item['uid']) {
-
- $handle = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256'));
- }
- else {
- $r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1",
- $item['contact-id']
- );
- if(count($r)) {
- // The below handle only works for NETWORK_DFRN. I think that's ok, because this function
- // only handles DFRN deletes
- $handle_baseurl_start = strpos($r['url'],'://') + 3;
- $handle_baseurl_length = strpos($r['url'],'/profile') - $handle_baseurl_start;
- $handle = $r['nick'] . '@' . substr($r['url'], $handle_baseurl_start, $handle_baseurl_length);
- $authorsig = '';
- }
- }
-
- if(isset($handle))
- q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($item['id']),
- dbesc($signed_text),
- dbesc($authorsig),
- dbesc($handle)
- );
+ // Add a relayable_retraction signature for Diaspora.
+ store_diaspora_retract_sig($item, $a->user, $a->get_baseurl());
}
$drop_id = intval($item['id']);
@@ -3479,4 +3464,52 @@ function posted_date_widget($url,$uid,$wall) {
'$dates' => $ret
));
return $o;
-} \ No newline at end of file
+}
+
+
+function store_diaspora_retract_sig($item, $user, $baseurl) {
+ // Note that we can't add a target_author_signature
+ // if the comment was deleted by a remote user. That should be ok, because if a remote user is deleting
+ // the comment, that means we're the home of the post, and Diaspora will only
+ // check the parent_author_signature of retractions that it doesn't have to relay further
+ //
+ // I don't think this function gets called for an "unlike," but I'll check anyway
+
+ $enabled = intval(get_config('system','diaspora_enabled'));
+ if(! $enabled) {
+ return;
+ }
+
+ logger('drop_item: storing diaspora retraction signature');
+
+ $signed_text = $item['guid'] . ';' . ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
+
+ if(local_user() == $item['uid']) {
+
+ $handle = $user['nickname'] . '@' . substr($baseurl, strpos($baseurl,'://') + 3);
+ $authorsig = base64_encode(rsa_sign($signed_text,$user['prvkey'],'sha256'));
+ }
+ else {
+ $r = q("SELECT `nick`, `url` FROM `contact` WHERE `id` = '%d' LIMIT 1",
+ $item['contact-id']
+ );
+ if(count($r)) {
+ // The below handle only works for NETWORK_DFRN. I think that's ok, because this function
+ // only handles DFRN deletes
+ $handle_baseurl_start = strpos($r['url'],'://') + 3;
+ $handle_baseurl_length = strpos($r['url'],'/profile') - $handle_baseurl_start;
+ $handle = $r['nick'] . '@' . substr($r['url'], $handle_baseurl_start, $handle_baseurl_length);
+ $authorsig = '';
+ }
+ }
+
+ if(isset($handle))
+ q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($item['id']),
+ dbesc($signed_text),
+ dbesc($authorsig),
+ dbesc($handle)
+ );
+
+ return;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 08:15:38 +0000