X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Flike.php;h=aaa85928c7c81059984e47bf55c9995480c1e9bf;hb=8497c6782ed668db8e1a9c376a272bb04cc95864;hp=7b20975781452166f942c333b65abf9b28f520ea;hpb=1d9f67743883c48c9db28dee6fecd58e0dca90ba;p=friendica.git

diff --git a/mod/like.php b/mod/like.php
old mode 100644
new mode 100755
index 7b20975781..aaa85928c7
--- a/mod/like.php
+++ b/mod/like.php
@@ -19,14 +19,10 @@ function like_content(&$a) {
 
 	switch($verb) {
 		case 'like':
-			$activity = ACTIVITY_LIKE;
-			break;
-		case 'dislike':
-			$activity = ACTIVITY_DISLIKE;
-			break;
 		case 'unlike':
 			$activity = ACTIVITY_LIKE;
 			break;
+		case 'dislike':
 		case 'undislike':
 			$activity = ACTIVITY_DISLIKE;
 			break;
@@ -41,7 +37,7 @@ function like_content(&$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($item_id)
 	);
@@ -59,6 +55,22 @@ function like_content(&$a) {
 		return;
 	}
 
+	$remote_owner = null;
+
+	if(! $item['wall']) {
+		// The top level post may have been written by somebody on another system
+		$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+			intval($item['contact-id']),
+			intval($item['uid'])
+		);
+		if(! count($r))
+			return;
+		if(! $r[0]['self'])
+			$remote_owner = $r[0];
+	}
+
+	// this represents the post owner on this system. 
+
 	$r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 		WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
 		intval($owner_uid)
@@ -71,6 +83,11 @@ function like_content(&$a) {
 		return;
 	}
 
+	if(! $remote_owner)
+		$remote_owner = $owner;
+
+
+	// This represents the person posting
 
 	if((local_user()) && (local_user() == $owner_uid)) {
 		$contact = $owner;
@@ -87,23 +104,39 @@ function like_content(&$a) {
 		return;
 	}
 
-	$r = q("SELECT `id` FROM `item` WHERE `verb` = '%s' AND `deleted` = 0 
-		AND `contact-id` = %d AND ( `parent` = '%s' OR `parent-uri` = '%s') LIMIT 1",
+
+	$r = q("SELECT * FROM `item` WHERE `verb` = '%s' AND `deleted` = 0 
+		AND `contact-id` = %d AND ( `parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
 		dbesc($activity),
 		intval($contact['id']),
 		dbesc($item_id),
-		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",
+		$r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d LIMIT 1",
 			dbesc(datetime_convert()),
-			intval($r[0]['id'])
+			intval($like_item['id'])
+		);
+
+
+		// 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'])
 		);
 
-		$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
-		proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"like\" \"$post_id\" &",
-			array(),$foo));
+		// Save the author information for the unlike in case we need to relay to Diaspora
+		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;
 	}
 
@@ -126,9 +159,9 @@ function like_content(&$a) {
 	</object>
 EOT;
 	if($verb === 'like')
-		$bodyverb = t('likes');
+		$bodyverb = t('%1$s likes %2$s\'s %3$s');
 	if($verb === 'dislike')
-		$bodyverb = t('doesn\'t like');
+		$bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
 
 	if(! isset($bodyverb))
 			return; 
@@ -139,19 +172,23 @@ EOT;
 	$arr['uid'] = $owner_uid;
 	$arr['contact-id'] = $contact['id'];
 	$arr['type'] = 'activity';
-	$arr['wall'] = 1;
+	$arr['wall'] = $item['wall'];
+	$arr['origin'] = 1;
 	$arr['gravity'] = GRAVITY_LIKE;
 	$arr['parent'] = $item['id'];
 	$arr['parent-uri'] = $item['uri'];
-	$arr['owner-name'] = $owner['name'];
-	$arr['owner-link'] = $owner['url'];
-	$arr['owner-avatar'] = $owner['thumb'];
+	$arr['thr-parent'] = $item['uri'];
+	$arr['owner-name'] = $remote_owner['name'];
+	$arr['owner-link'] = $remote_owner['url'];
+	$arr['owner-avatar'] = $remote_owner['thumb'];
 	$arr['author-name'] = $contact['name'];
 	$arr['author-link'] = $contact['url'];
 	$arr['author-avatar'] = $contact['thumb'];
-	$arr['body'] = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]' . ' ' . $bodyverb . ' ' 
-		. '[url=' . $item['author-link'] . ']' . $item['author-name'] . t('\'s') . '[/url]' . ' '
-		. '[url=' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]' ;
+	
+	$ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
+	$alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
+	$plink = '[url=' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
+	$arr['body'] =  sprintf( $bodyverb, $ulink, $alink, $plink );
 
 	$arr['verb'] = $activity;
 	$arr['object-type'] = $objtype;
@@ -174,10 +211,137 @@ EOT;
 	}			
 
 
-	$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
+	// Save the author information for the like in case we need to relay to Diaspora
+	store_diaspora_like_sig($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");
+
+	killme();
+//	return; // NOTREACHED
+}
 
-	proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"like\" \"$post_id\" &",
-		array(),$foo));
 
-	return; // NOTREACHED
-}
\ No newline at end of file
+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(! $enabled) {
+		logger('mod_like: diaspora support disabled, not storing like retraction signature', LOGGER_DEBUG);
+		return;
+	}
+
+	logger('mod_like: storing diaspora like retraction signature');
+
+	if(($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)
+				$authorsig = base64_encode(rsa_sign($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(! $enabled) {
+		logger('mod_like: diaspora support disabled, not storing like signature', LOGGER_DEBUG);
+		return;
+	}
+
+	logger('mod_like: storing diaspora like signature');
+
+	if(($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'];
+		}
+
+		$r = q("SELECT guid, parent FROM `item` WHERE id = %d LIMIT 1",
+			intval($post_id)
+		);
+		if( $r) {
+			$p = q("SELECT guid FROM `item` WHERE id = %d AND parent = %d LIMIT 1",
+				intval($r[0]['parent']),
+				intval($r[0]['parent'])
+			);
+			if( $p) {
+				$signed_text = $r[0]['guid'] . ';Post;' . $p[0]['guid'] . ';true;' . $diaspora_handle;
+
+				if(isset($contact_uprvkey))
+					$authorsig = base64_encode(rsa_sign($signed_text,$contact_uprvkey,'sha256'));
+				else
+					$authorsig = '';
+
+				q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+					intval($post_id),
+					dbesc($signed_text),
+					dbesc($authorsig),
+					dbesc($diaspora_handle)
+				);
+			}
+		}
+	}
+
+	return;
+}