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community tagging refactor - we no longer send an edited post/comment to everybody. The post owner approves the tag and this is transmitted along with the tag activity. Recipients check the signature of the approval and add the tag to their local copy of the post.

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This commit is contained in:
zotlabs 2018-04-02 20:39:28 -07:00
parent 753e1e4616
commit 4e21c14ff6
1 changed files with 9 additions and 11 deletions
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20
include/items.php
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@ -2735,13 +2735,12 @@ function item_community_tag($channel,$item) {
// See if we are the owner of the parent item and have given permission to tag our posts.
// If so tag the parent post.
logger('tag_deliver: community tag activity received');
// refactor of this code block is in progress and is not yet completed
logger('tag_deliver: community tag activity received: channel: ' . $channel['channel_name']);
$tag_the_post = false;
$p = null;
$j_obj = json_decode($item['obj'],true);
$j_tgt = json_decode($item['target'],true);
if($j_tgt && $j_tgt['id']) {
$p = q("select * from item where mid = '%s' and uid = %d limit 1",
@ -2753,9 +2752,9 @@ function item_community_tag($channel,$item) {
xchan_query($p);
$items = fetch_post_tags($p,true);
$pitem = $items[0];
$auth = get_iconfig($pitem,'system','communitytagauth');
$auth = get_iconfig($item,'system','communitytagauth');
if($auth) {
if(rsa_verify('tagauth.' . $item['mid'],$auth,$pitem['owner']['xchan_pubkey'])) {
if(rsa_verify('tagauth.' . $item['mid'],base64url_decode($auth),$pitem['owner']['xchan_pubkey'])) {
logger('tag_deliver: tagging the post: ' . $channel['channel_name']);
$tag_the_post = true;
}
@ -2765,18 +2764,17 @@ function item_community_tag($channel,$item) {
logger('tag_deliver: community tag recipient: ' . $channel['channel_name']);
$tag_the_post = true;
$sig = rsa_sign('tagauth.' . $item['mid'],$channel['channel_prvkey']);
set_iconfig($item['id'],'system','communitytagauth',$sig,1);
logger('tag_deliver: setting iconfig for ' . $item['id']);
set_iconfig($item['id'],'system','communitytagauth',base64url_encode($sig),1);
}
}
if($tag_the_post) {
store_item_tag($channel['channel_id'],$pitem['id'],TERM_OBJ_POST,TERM_COMMUNITYTAG,$j_obj['title'],$j_obj['id']);
}
}
if(! $tag_the_post) {
logger('Tag permission denied for ' . $channel['channel_address']);
else {
logger('Tag permission denied for ' . $channel['channel_address']);
}
}
}