Bugfix: Comments weren't relayed anymore to Diaspora due to a Diaspora change
This commit is contained in:
Michael Vogel
Fabrixxm
parent
21f044e305
commit
c6b0e57aa4
4 changed files with 41 additions and 48 deletions
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@ -2846,9 +2846,6 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
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$myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
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// $theiraddr = $contact['addr'];
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$body = $item['body'];
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$text = html_entity_decode(bb2diaspora($body));
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// Diaspora doesn't support threaded comments, but some
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// versions of Diaspora (i.e. Diaspora-pistos) support
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// likes on comments
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@ -2899,61 +2896,57 @@ function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
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// fetch the original signature if the relayable was created by a Diaspora
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// or DFRN user. Relayables for other networks are not supported.
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/* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
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$r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
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intval($item['id'])
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);
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if(count($r)) {
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if(count($r)) {
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$orig_sign = $r[0];
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$signed_text = $orig_sign['signed_text'];
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$authorsig = $orig_sign['signature'];
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$handle = $orig_sign['signer'];
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// Friendica servers lower than 3.5 had double encoded the signature ...
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if (substr($authorsig, -1, 1) != "=")
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$authorsig = base64_decode($authorsig);
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// Split the signed text
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$signed_parts = explode(";", $signed_text);
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// Remove the parent guid
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array_shift($signed_parts);
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// Remove the comment guid
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array_shift($signed_parts);
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// Remove the handle
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array_pop($signed_parts);
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// Glue the parts together
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$text = implode(";", $signed_parts);
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}
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else {
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// This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
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// This means that the comment won't be accepted by newer Diaspora servers
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// Author signature information (for likes, comments, and retractions of likes or comments,
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// whether from Diaspora or Friendica) must be placed in the `sign` table before this
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// function is called
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logger('diaspora_send_relay: original author signature not found, cannot send relayable');
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return;
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}*/
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$body = $item['body'];
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$text = html_entity_decode(bb2diaspora($body));
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/* Since the author signature is only checked by the parent, not by the relay recipients,
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* I think it may not be necessary for us to do so much work to preserve all the original
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* signatures. The important thing that Diaspora DOES need is the original creator's handle.
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* Let's just generate that and forget about all the original author signature stuff.
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*
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* Note: this might be more of an problem if we want to support likes on comments for older
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* versions of Diaspora (diaspora-pistos), but since there are a number of problems with
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* doing that, let's ignore it for now.
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*
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* Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
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* been done yet
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*/
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$handle = diaspora_handle_from_contact($item['contact-id']);
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if(! $handle)
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return;
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$handle = diaspora_handle_from_contact($item['contact-id']);
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if(! $handle)
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return;
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if($relay_retract)
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$signed_text = $item['guid'] . ';' . $target_type;
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elseif($like)
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$signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
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else
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$signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
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if($relay_retract)
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$sender_signed_text = $item['guid'] . ';' . $target_type;
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elseif($like)
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$sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
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else
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$sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
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$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
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}
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// Sign the relayable with the top-level owner's signature
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//
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// We'll use the $sender_signed_text that we just created, instead of the $signed_text
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// stored in the database, because that provides the best chance that Diaspora will
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// be able to reconstruct the signed text the same way we did. This is particularly a
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// concern for the comment, whose signed text includes the text of the comment. The
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// smallest change in the text of the comment, including removing whitespace, will
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// make the signature verification fail. Since we translate from BB code to Diaspora's
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// markup at the top of this function, which is AFTER we placed the original $signed_text
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// in the database, it's hazardous to trust the original $signed_text.
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$parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
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$parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
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$msg = replace_macros($tpl,array(
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'$guid' => xmlify($item['guid']),
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@ -2640,7 +2640,7 @@ function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $pass = 0)
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logger('consume_feed: feed item count = ' . $feed->get_item_quantity());
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// in inverse date order
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// in inverse date order
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if ($datedir)
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$items = array_reverse($feed->get_items());
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else
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@ -975,7 +975,7 @@ function notifier_run(&$argv, &$argc){
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if($public_message) {
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if (!$followup)
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if (!$followup AND $top_level)
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$r0 = diaspora_fetch_relay();
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else
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$r0 = array();
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@ -892,7 +892,7 @@ function item_post(&$a) {
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// Store the comment signature information in case we need to relay to Diaspora
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store_diaspora_comment_sig($datarray, $author, ($self ? $a->user['prvkey'] : false), $parent_item, $post_id);
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store_diaspora_comment_sig($datarray, $author, ($self ? $user['prvkey'] : false), $parent_item, $post_id);
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} else {
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$parent = $post_id;
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@ -1268,7 +1268,7 @@ function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item,
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$signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
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if( $uprvkey !== false )
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$authorsig = base64_encode(rsa_sign($signed_text,$uprvkey,'sha256'));
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$authorsig = rsa_sign($signed_text,$uprvkey,'sha256');
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else
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$authorsig = '';
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