diff options
Diffstat (limited to 'mod')
| -rw-r--r-- | mod/item.php | 58 | ||||
| -rwxr-xr-x | mod/like.php | 138 |
2 files changed, 123 insertions, 73 deletions
diff --git a/mod/item.php b/mod/item.php index 54f9fc06a..5c179bc7a 100644 --- a/mod/item.php +++ b/mod/item.php @@ -728,26 +728,13 @@ function item_post(&$a) { } - // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key - - if($self) { - require_once('include/bb2diaspora.php'); - $signed_body = html_entity_decode(bb2diaspora($datarray['body'])); - $myaddr = $a->user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - if($datarray['verb'] === ACTIVITY_LIKE) - $signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr; - else - $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr; - $authorsig = base64_encode(rsa_sign($signed_text,$a->user['prvkey'],'sha256')); + // Store the comment signature information in case we need to relay to Diaspora + // May want to have this run for remote users too, in which case the function needs to be + // expanded + if($self) + store_diaspora_comment_sig($datarray, $a->user, $a->get_baseurl(), $parent_item, $post_id); - q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", - intval($post_id), - dbesc($signed_text), - dbesc(base64_encode($authorsig)), - dbesc($myaddr) - ); - } } else { $parent = $post_id; @@ -1038,3 +1025,38 @@ function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag) { return array('replaced' => $replaced, 'contact' => $r[0]); } + + +function store_diaspora_comment_sig($datarray, $user, $baseurl, $parent_item, $post_id) { + // We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key + + // May want to have this run for remote users too, in which case the function needs to be + // expanded + + $enabled = intval(get_config('system','diaspora_enabled')); + if(! $enabled) { + return; + } + + + logger('mod_item: storing diaspora comment signature'); + + require_once('include/bb2diaspora.php'); + $signed_body = html_entity_decode(bb2diaspora($datarray['body'])); + $myaddr = $user['nickname'] . '@' . substr($baseurl, strpos($baseurl,'://') + 3); + if($datarray['verb'] === ACTIVITY_LIKE) + $signed_text = $datarray['guid'] . ';' . 'Post' . ';' . $parent_item['guid'] . ';' . 'true' . ';' . $myaddr; + else + $signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $myaddr; + + $authorsig = base64_encode(rsa_sign($signed_text,$user['prvkey'],'sha256')); + + q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", + intval($post_id), + dbesc($signed_text), + dbesc(base64_encode($authorsig)), + dbesc($myaddr) + ); + + return; +} diff --git a/mod/like.php b/mod/like.php index 642e948fd..29a77aa13 100755 --- a/mod/like.php +++ b/mod/like.php @@ -121,57 +121,16 @@ function like_content(&$a) { intval($like_item['id']) ); - // Clean up the `sign` table + + // Clean up the Diaspora signatures for this like + // Go ahead and do it even if Diaspora support is disabled. We still want to clean up + // if it had been enabled in the past $r = q("DELETE FROM `sign` WHERE `iid` = %d", intval($like_item['id']) ); // Save the author information for the unlike in case we need to relay to Diaspora - // Note that we can only create a signature for a user of the local server. We don't have - // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it - // means we are the relay, and for relayable_retractions, Diaspora - // only checks the parent_author_signature if it doesn't have to relay further - // - // If $item['resource-id'] exists, it means the item is a photo. Diaspora doesn't support - // likes on photos, so don't bother. - - if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) { - $signed_text = $like_item['guid'] . ';' . 'Like'; - - if( $contact['network'] === NETWORK_DIASPORA) - $diaspora_handle = $contact['addr']; - else { // Only works for NETWORK_DFRN - $contact_baseurl_start = strpos($contact['url'],'://') + 3; - $contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start; - $contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length); - $diaspora_handle = $contact['nick'] . '@' . $contact_baseurl; - - // Get contact's private key if he's a user of the local Friendica server - $r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1", - dbesc($contact['url']) - ); - - if( $r) { - $contact_uid = $r['uid']; - $r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1", - intval($contact_uid) - ); - - if( $r) - $authorsig = base64_encode(rsa_sign($signed_text,$r['prvkey'],'sha256')); - } - } - - if(! isset($authorsig)) - $authorsig = ''; - - q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", - intval($like_item['id']), - dbesc($signed_text), - dbesc($authorsig), - dbesc($diaspora_handle) - ); - } + store_diaspora_like_retract_sig($activity, $item, $like_item, $contact); // proc_run('php',"include/notifier.php","like","$post_id"); // $post_id isn't defined here! @@ -252,11 +211,88 @@ EOT; // Save the author information for the like in case we need to relay to Diaspora + store_diaspora_like_sig($activity, $item, $like_item, $contact); + + + $arr['id'] = $post_id; + + call_hooks('post_local_end', $arr); + + proc_run('php',"include/notifier.php","like","$post_id"); + + killme(); +// return; // NOTREACHED +} + + +function store_diaspora_like_retract_sig($activity, $item, $like_item, $contact) { + // Note that we can only create a signature for a user of the local server. We don't have + // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it + // means we are the relay, and for relayable_retractions, Diaspora + // only checks the parent_author_signature if it doesn't have to relay further + // + // If $item['resource-id'] exists, it means the item is a photo. Diaspora doesn't support + // likes on photos, so don't bother. + + $enabled = intval(get_config('system','diaspora_enabled')); + if(! $enabled) + return; + + logger('mod_like: storing diaspora like retraction signature'); + + if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) { + $signed_text = $like_item['guid'] . ';' . 'Like'; + + if( $contact['network'] === NETWORK_DIASPORA) + $diaspora_handle = $contact['addr']; + else { // Only works for NETWORK_DFRN + $contact_baseurl_start = strpos($contact['url'],'://') + 3; + $contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start; + $contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length); + $diaspora_handle = $contact['nick'] . '@' . $contact_baseurl; + + // Get contact's private key if he's a user of the local Friendica server + $r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1", + dbesc($contact['url']) + ); + + if( $r) { + $contact_uid = $r['uid']; + $r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1", + intval($contact_uid) + ); + + if( $r) + $authorsig = base64_encode(rsa_sign($signed_text,$r['prvkey'],'sha256')); + } + } + + if(! isset($authorsig)) + $authorsig = ''; + + q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", + intval($like_item['id']), + dbesc($signed_text), + dbesc($authorsig), + dbesc($diaspora_handle) + ); + } + + return; +} + +function store_diaspora_like_sig($activity, $post_type, $contact, $post_id) { // Note that we can only create a signature for a user of the local server. We don't have // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it // means we are the relay, and for relayable_retractions, Diaspora // only checks the parent_author_signature if it doesn't have to relay further + $enabled = intval(get_config('system','diaspora_enabled')); + if(! $enabled) + return; + + logger('mod_like: storing diaspora like signature'); + if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) { if( $contact['network'] === NETWORK_DIASPORA) $diaspora_handle = $contact['addr']; @@ -308,13 +344,5 @@ EOT; } } - - $arr['id'] = $post_id; - - call_hooks('post_local_end', $arr); - - proc_run('php',"include/notifier.php","like","$post_id"); - - killme(); -// return; // NOTREACHED + return; } |