diff options
Diffstat (limited to 'include/items.php')
-rwxr-xr-x[-rw-r--r--] | include/items.php | 174 |
1 files changed, 152 insertions, 22 deletions
diff --git a/include/items.php b/include/items.php index 129499967..4513db1db 100644..100755 --- a/include/items.php +++ b/include/items.php @@ -180,6 +180,10 @@ function get_feed_for(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) foreach($items as $item) { + // prevent private email from leaking. + if($item['network'] === NETWORK_MAIL) + continue; + // public feeds get html, our own nodes use bbcode if($public_feed) { @@ -959,6 +963,8 @@ function tag_deliver($uid,$item_id) { return; $community_page = (($u[0]['page-flags'] == PAGE_COMMUNITY) ? true : false); + $prvgroup = (($u[0]['page-flags'] == PAGE_PRVGROUP) ? true : false); + $i = q("select * from item where id = %d and uid = %d limit 1", intval($item_id), @@ -1008,9 +1014,10 @@ function tag_deliver($uid,$item_id) { 'otype' => 'item' )); - if(! $community_page) + if((! $community_page) && (! $prvgroup)) return; + // tgroup delivery - setup a second delivery chain // prevent delivery looping - only proceed // if the message originated elsewhere and is a top-level post @@ -1031,8 +1038,11 @@ function tag_deliver($uid,$item_id) { $private = ($u[0]['allow_cid'] || $u[0]['allow_gid'] || $u[0]['deny_cid'] || $u[0]['deny_gid']) ? 1 : 0; - q("update item set wall = 1, origin = 1, forum_mode = 1, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s', + $forum_mode = (($prvgroup) ? 2 : 1); + + q("update item set wall = 1, origin = 1, forum_mode = %d, `owner-name` = '%s', `owner-link` = '%s', `owner-avatar` = '%s', `private` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' where id = %d limit 1", + intval($forum_mode), dbesc($c[0]['name']), dbesc($c[0]['url']), dbesc($c[0]['thumb']), @@ -1057,9 +1067,6 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) { $a = get_app(); -// if((! strlen($contact['issued-id'])) && (! $contact['duplex']) && (! ($owner['page-flags'] == PAGE_COMMUNITY))) -// return 3; - $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']); if($contact['duplex'] && $contact['dfrn-id']) @@ -1124,6 +1131,9 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) { $rino_allowed = ((intval($res->rino) === 1) ? 1 : 0); $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0); + if($owner['page-flags'] == PAGE_PRVGROUP) + $page = 2; + $final_dfrn_id = ''; if($perm) { @@ -1177,7 +1187,7 @@ function dfrn_deliver($owner,$contact,$atom, $dissolve = false) { $postvars['ssl_policy'] = $ssl_policy; if($page) - $postvars['page'] = '1'; + $postvars['page'] = $page; if($rino && $rino_allowed && (! $dissolve)) { $key = substr(random_string(),0,16); @@ -2194,7 +2204,7 @@ function local_delivery($importer,$data) { if($is_reply) { $community = false; - if($importer['page-flags'] == PAGE_COMMUNITY) { + if($importer['page-flags'] == PAGE_COMMUNITY || $importer['page-flags'] == PAGE_PRVGROUP ) { $sql_extra = ''; $community = true; logger('local_delivery: possible community reply'); @@ -2221,8 +2231,8 @@ function local_delivery($importer,$data) { if($r && count($r)) $is_a_remote_comment = true; - // Does this have the characteristics of a community comment? - // If it's a reply to a wall post on a community page it's a + // Does this have the characteristics of a community or private group comment? + // If it's a reply to a wall post on a community/prvgroup page it's a // valid community comment. Also forum_mode makes it valid for sure. // If neither, it's not. @@ -2711,6 +2721,12 @@ function new_follower($importer,$contact,$datarray,$item,$sharing = false) { ); $a = get_app(); if(count($r)) { + + if(intval($r[0]['def_gid'])) { + require_once('include/group.php'); + group_add_member($r[0]['uid'],'',$contact_record['id'],$r[0]['def_gid']); + } + if(($r[0]['notify-flags'] & NOTIFY_INTRO) && ($r[0]['page-flags'] == PAGE_NORMAL)) { $email_tpl = get_intltext_template('follow_notify_eml.tpl'); $email = replace_macros($email_tpl, array( @@ -2820,7 +2836,7 @@ function atom_author($tag,$name,$uri,$h,$w,$photo) { return $o; } -function atom_entry($item,$type,$author,$owner,$comment = false) { +function atom_entry($item,$type,$author,$owner,$comment = false,$cid = 0) { $a = get_app(); @@ -2832,7 +2848,7 @@ function atom_entry($item,$type,$author,$owner,$comment = false) { if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid']) - $body = fix_private_photos($item['body'],$owner['uid']); + $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid); else $body = $item['body']; @@ -2915,14 +2931,17 @@ function atom_entry($item,$type,$author,$owner,$comment = false) { return $o; } -function fix_private_photos($s,$uid) { +function fix_private_photos($s,$uid, $item = null, $cid = 0) { $a = get_app(); - logger('fix_private_photos'); - if(preg_match("/\[img\](.*?)\[\/img\]/is",$s,$matches)) { - $image = $matches[1]; - logger('fix_private_photos: found photo ' . $image); - if(stristr($image ,$a->get_baseurl() . '/photo/')) { + logger('fix_private_photos', LOGGER_DEBUG); + $site = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://')); + + if(preg_match("/\[img(.*?)\](.*?)\[\/img\]/is",$s,$matches)) { + $image = $matches[2]; + logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG); + if(stristr($image , $site . '/photo/')) { + $replace = false; $i = basename($image); $i = str_replace('.jpg','',$i); $x = strpos($i,'-'); @@ -2935,17 +2954,86 @@ function fix_private_photos($s,$uid) { intval($uid) ); if(count($r)) { - logger('replacing photo'); - $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s); + + // Check to see if we should replace this photo link with an embedded image + // 1. No need to do so if the photo is public + // 2. If there's a contact-id provided, see if they're in the access list + // for the photo. If so, embed it. + // 3. Otherwise, if we have an item, see if the item permissions match the photo + // permissions, regardless of order but first check to see if they're an exact + // match to save some processing overhead. + + // Currently we only embed one private photo per message so as not to hit import + // size limits at the receiving end. + + // To embed multiples, we would need to parse out the embedded photos on message + // receipt and limit size based only on the text component. Would also need to + // ignore all photos during bbcode translation and item localisation, as these + // will hit internal regex backtrace limits. + + if(has_permissions($r[0])) { + if($cid) { + $recips = enumerate_permissions($r[0]); + if(in_array($cid, $recips)) { + $replace = true; + } + } + elseif($item) { + if(compare_permissions($item,$r[0])) + $replace = true; + } + } + if($replace) { + logger('fix_private_photos: replacing photo', LOGGER_DEBUG); + $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s); + logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA); + } } } - logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA); } } return($s); } +function has_permissions($obj) { + if(($obj['allow_cid'] != '') || ($obj['allow_gid'] != '') || ($obj['deny_cid'] != '') || ($obj['deny_gid'] != '')) + return true; + return false; +} + +function compare_permissions($obj1,$obj2) { + // first part is easy. Check that these are exactly the same. + if(($obj1['allow_cid'] == $obj2['allow_cid']) + && ($obj1['allow_gid'] == $obj2['allow_gid']) + && ($obj1['deny_cid'] == $obj2['deny_cid']) + && ($obj1['deny_gid'] == $obj2['deny_gid'])) + return true; + + // This is harder. Parse all the permissions and compare the resulting set. + + $recipients1 = enumerate_permissions($obj1); + $recipients2 = enumerate_permissions($obj2); + sort($recipients1); + sort($recipients2); + if($recipients1 == $recipients2) + return true; + return false; +} + +// returns an array of contact-ids that are allowed to see this object + +function enumerate_permissions($obj) { + require_once('include/group.php'); + $allow_people = expand_acl($obj['allow_cid']); + $allow_groups = expand_groups(expand_acl($obj['allow_gid'])); + $deny_people = expand_acl($obj['deny_cid']); + $deny_groups = expand_groups(expand_acl($obj['deny_gid'])); + $recipients = array_unique(array_merge($allow_people,$allow_groups)); + $deny = array_unique(array_merge($deny_people,$deny_groups)); + $recipients = array_diff($recipients,$deny); + return $recipients; +} function item_getfeedtags($item) { $ret = array(); @@ -2992,13 +3080,20 @@ function item_getfeedattach($item) { function item_expire($uid,$days) { - if((! $uid) || (! $days)) + if((! $uid) || ($days < 1)) return; + // $expire_network_only = save your own wall posts + // and just expire conversations started by others + + $expire_network_only = get_pconfig($uid,'expire','network_only'); + $sql_extra = ((intval($expire_network_only)) ? " AND wall = 0 " : ""); + $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY AND `id` = `parent` + $sql_extra AND `deleted` = 0", intval($uid), intval($days) @@ -3183,7 +3278,42 @@ function drop_item($id,$interactive = true) { q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1", intval($r[0]['id']) ); - } + } + + // 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) + ); } $drop_id = intval($item['id']); |