diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/delivery.php | 2 | ||||
| -rw-r--r-- | include/items.php | 88 | ||||
| -rw-r--r-- | include/notifier.php | 2 |
3 files changed, 82 insertions, 10 deletions
diff --git a/include/delivery.php b/include/delivery.php index 61b0bd33a..32943d5da 100644 --- a/include/delivery.php +++ b/include/delivery.php @@ -288,7 +288,7 @@ function delivery_run($argv, $argc){ if($normal_mode) { if($item_id == $item['id'] || $item['id'] == $item['parent']) - $atom .= atom_entry($item,'text',null,$owner,true); + $atom .= atom_entry($item,'text',null,$owner,true,(($top_level) ? $contact['id'] : 0)); } else $atom .= atom_entry($item,'text',null,$owner,true); diff --git a/include/items.php b/include/items.php index e5b640fd2..f45b40cc0 100644 --- a/include/items.php +++ b/include/items.php @@ -2832,7 +2832,7 @@ function atom_author($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) { $a = get_app(); @@ -2844,7 +2844,7 @@ function atom_entry($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 = $item['body']; @@ -2927,14 +2927,17 @@ function atom_entry($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'); + + 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[1]; - logger('fix_private_photos: found photo ' . $image); - if(stristr($image ,$a->get_baseurl() . '/photo/')) { + 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,'-'); @@ -2947,8 +2950,39 @@ 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('replacing photo'); + $s = str_replace($image, 'data:image/jpg;base64,' . base64_encode($r[0]['data']), $s); + } } } logger('fix_private_photos: replaced: ' . $s, LOGGER_DATA); @@ -2958,6 +2992,44 @@ function fix_private_photos($s,$uid) { } +function has_permissions($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) { $ret = array(); diff --git a/include/notifier.php b/include/notifier.php index cb4fb2a31..070e7a436 100644 --- a/include/notifier.php +++ b/include/notifier.php @@ -345,7 +345,7 @@ function notifier_run($argv, $argc){ if($mail) { $public_message = false; // mail is not public - $body = fix_private_photos($item['body'],$owner['uid']); + $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']); $atom .= replace_macros($mail_template, array( '$name' => xmlify($owner['name']), |