]> git.mxchange.org Git - friendica.git/blobdiff - mod/like.php
new version of the ShaShape iconset
[friendica.git] / mod / like.php
index 942a04fe7f1980318599fdc55e1fc13a17621cb0..90782687d3dc5669501fe1065ccc015cab6c7f34 100755 (executable)
@@ -26,6 +26,18 @@ function like_content(&$a) {
                case 'undislike':
                        $activity = ACTIVITY_DISLIKE;
                        break;
+               case 'attendyes':
+               case 'unattendyes':
+                       $activity = ACTIVITY_ATTEND;
+                       break;
+               case 'attendno':
+               case 'unattendno':
+                       $activity = ACTIVITY_ATTENDNO;
+                       break;
+               case 'attendmaybe':
+               case 'unattendmaybe':
+                       $activity = ACTIVITY_ATTENDMAYBE;
+                       break;
                default:
                        return;
                        break;
@@ -37,7 +49,7 @@ function like_content(&$a) {
        logger('like: verb ' . $verb . ' item ' . $item_id);
 
 
-       $r = q("SELECT * FROM `item` WHERE ( `id` = '%s' OR `uri` = '%s') AND `id` = `parent` LIMIT 1",
+       $r = q("SELECT * FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
                dbesc($item_id),
                dbesc($item_id)
        );
@@ -105,85 +117,58 @@ function like_content(&$a) {
        }
 
 
-       $r = q("SELECT * FROM `item` WHERE `verb` = '%s' AND `deleted` = 0 
-               AND `contact-id` = %d AND ( `parent` = '%s' OR `parent-uri` = '%s') LIMIT 1",
-               dbesc($activity),
-               intval($contact['id']),
-               dbesc($item_id),
-               dbesc($item_id)
+       // See if we've been passed a return path to redirect to
+       $return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
+
+       $verbs = " '".dbesc($activity)."' ";
+
+       // event participation are essentially radio toggles. If you make a subsequent choice,
+       // we need to eradicate your first choice. 
+       if($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
+               $verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
+       }
+
+       $r = q("SELECT `id`, `guid` FROM `item` WHERE `verb` IN ( $verbs ) AND `deleted` = 0
+               AND `contact-id` = %d AND `uid` = %d
+               AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
+               intval($contact['id']), intval($owner_uid),
+               dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
        );
+
        if(count($r)) {
                $like_item = $r[0];
 
                // Already voted, undo it
-               $r = q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1",
+               $r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d",
                        dbesc(datetime_convert()),
                        intval($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!
                $like_item_id = $like_item['id'];
                proc_run('php',"include/notifier.php","like","$like_item_id");
-               return;
+
+               like_content_return($a->get_baseurl(), $return_path);
+               return; // NOTREACHED
        }
 
        $uri = item_new_uri($a->get_hostname(),$owner_uid);
 
        $post_type = (($item['resource-id']) ? t('photo') : t('status'));
-       $objtype = (($item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE ); 
+       if($item['obj_type'] === ACTIVITY_OBJ_EVENT)
+               $post_type = t('event');
+       $objtype = (($item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
        $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
        $body = $item['body'];
 
@@ -202,6 +187,12 @@ EOT;
                $bodyverb = t('%1$s likes %2$s\'s %3$s');
        if($verb === 'dislike')
                $bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
+       if($verb === 'attendyes')
+               $bodyverb = t('%1$s is attending %2$s\'s %3$s');
+       if($verb === 'attendno')
+               $bodyverb = t('%1$s is not attending %2$s\'s %3$s');
+       if($verb === 'attendmaybe')
+               $bodyverb = t('%1$s may attend %2$s\'s %3$s');
 
        if(! isset($bodyverb))
                        return; 
@@ -217,6 +208,7 @@ EOT;
        $arr['gravity'] = GRAVITY_LIKE;
        $arr['parent'] = $item['id'];
        $arr['parent-uri'] = $item['uri'];
+       $arr['thr-parent'] = $item['uri'];
        $arr['owner-name'] = $remote_owner['name'];
        $arr['owner-link'] = $remote_owner['url'];
        $arr['owner-avatar'] = $remote_owner['thumb'];
@@ -240,45 +232,137 @@ EOT;
        $arr['unseen'] = 1;
        $arr['last-child'] = 0;
 
-       $post_id = item_store($arr);    
+       $post_id = item_store($arr);
 
        if(! $item['visible']) {
-               $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
+               $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d",
                        intval($item['id']),
                        intval($owner_uid)
                );
-       }                       
+       }
 
 
        // Save the author information for the like in case we need to relay to Diaspora
+       store_diaspora_like_sig($activity, $post_type, $contact, $post_id);
+
+       $arr['id'] = $post_id;
+
+       call_hooks('post_local_end', $arr);
+
+       proc_run('php',"include/notifier.php","like","$post_id");
+
+       like_content_return($a->get_baseurl(), $return_path);
+       killme(); // NOTREACHED
+//     return; // NOTREACHED
+}
+
+
+// Decide how to return. If we were called with a 'return' argument,
+// then redirect back to the calling page. If not, just quietly end
+
+function like_content_return($baseurl, $return_path) {
+
+       if($return_path) {
+               $rand = '_=' . time();
+               if(strpos($return_path, '?')) $rand = "&$rand";
+               else $rand = "?$rand";
+
+               goaway($baseurl . "/" . $return_path . $rand);
+       }
+
+       killme();
+}
+
+
+function store_diaspora_like_retract_sig($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.
 
-       if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
-               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'])
+       $enabled = intval(get_config('system','diaspora_enabled'));
+       if(! $enabled) {
+               logger('mod_like: diaspora support disabled, not storing like retraction signature', LOGGER_DEBUG);
+               return;
+       }
+
+       logger('mod_like: storing diaspora like retraction signature');
+
+       if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) {
+               $signed_text = $like_item['guid'] . ';' . 'Like';
+
+               // 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) {
-                               $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( $r)
-                                       $contact_uprvkey = $r['prvkey'];
-                       }
+               if(! isset($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(! $enabled) {
+               logger('mod_like: diaspora support disabled, not storing like signature', LOGGER_DEBUG);
+               return;
+       }
+
+       logger('mod_like: storing diaspora like signature');
+
+       if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
+               // 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)
+                               $contact_uprvkey = $r['prvkey'];
                }
 
                $r = q("SELECT guid, parent FROM `item` WHERE id = %d LIMIT 1",
@@ -307,13 +391,5 @@ EOT;
                }
        }
 
-
-       $arr['id'] = $post_id;
-
-       call_hooks('post_local_end', $arr);
-
-       proc_run('php',"include/notifier.php","like","$post_id");
-
-       killme();
-//     return; // NOTREACHED
+       return;
 }