X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FProtocol%2FActivityPub%2FReceiver.php;h=6cd0111ec0f59e2d3df5a1d1f6064c9db86cf33e;hb=627e91f209a2ed5b1ab51c4accb05f072c4e287f;hp=253e4d63103bf462f73f75a3ab983c6ba8e37b6a;hpb=1db3143dc5bef5e2c452dd4a9603eca1c8aad6a8;p=friendica.git

diff --git a/src/Protocol/ActivityPub/Receiver.php b/src/Protocol/ActivityPub/Receiver.php
index 253e4d6310..6cd0111ec0 100644
--- a/src/Protocol/ActivityPub/Receiver.php
+++ b/src/Protocol/ActivityPub/Receiver.php
@@ -39,6 +39,7 @@ use Friendica\Protocol\ActivityPub;
 use Friendica\Util\HTTPSignature;
 use Friendica\Util\JsonLD;
 use Friendica\Util\LDSignature;
+use Friendica\Util\Network;
 use Friendica\Util\Strings;
 
 /**
@@ -384,7 +385,7 @@ class Receiver
 			} else {
 				$object_data['directmessage'] = JsonLD::fetchElement($activity, 'litepub:directMessage');
 			}
-		} elseif (in_array($type, array_merge(self::ACTIVITY_TYPES, ['as:Follow'])) && in_array($object_type, self::CONTENT_TYPES)) {
+		} elseif (in_array($type, array_merge(self::ACTIVITY_TYPES, ['as:Follow', 'litepub:EmojiReact', 'as:View'])) && in_array($object_type, self::CONTENT_TYPES)) {
 			// Create a mostly empty array out of the activity data (instead of the object).
 			// This way we later don't have to check for the existence of each individual array element.
 			$object_data = self::processObject($activity);
@@ -555,6 +556,9 @@ class Receiver
 		switch ($type) {
 			case 'as:Create':
 				if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
+					if ($object_data['object_type'] == 'as:Question') {
+						self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+					}
 					$item = ActivityPub\Processor::createItem($object_data);
 					ActivityPub\Processor::postItem($object_data, $item);
 				} elseif (in_array($object_data['object_type'], ['pt:CacheFile'])) {
@@ -577,8 +581,7 @@ class Receiver
 				if ($object_data['object_type'] == 'as:tag') {
 					ActivityPub\Processor::addTag($object_data);
 				} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
-					// Seems to be used by Mastodon to announce that a post is pinned
-					self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+					ActivityPub\Processor::addToFeaturedCollection($object_data);
 				} elseif ($object_data['object_type'] == '') {
 					// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
 				} else {
@@ -670,8 +673,7 @@ class Receiver
 
 			case 'as:Block':
 				if (in_array($object_data['object_type'], self::ACCOUNT_TYPES)) {
-					// Used by Mastodon to announce that the sender has blocked the account
-					self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+					ActivityPub\Processor::blockAccount($object_data);
 				} else {
 					self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
 				}
@@ -679,8 +681,7 @@ class Receiver
 
 			case 'as:Remove':
 				if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
-					// Seems to be used by Mastodon to remove the pinned status of a post
-					self::storeUnhandledActivity(false, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
+					ActivityPub\Processor::removeFromFeaturedCollection($object_data);					
 				} elseif ($object_data['object_type'] == '') {
 					// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
 				} else {
@@ -729,11 +730,14 @@ class Receiver
 				} elseif (($object_data['object_type'] == 'as:Accept') &&
 					in_array($object_data['object_object_type'], self::ACCOUNT_TYPES)) {
 					ActivityPub\Processor::rejectFollowUser($object_data);
+				} elseif (($object_data['object_type'] == 'as:Block') &&
+					in_array($object_data['object_object_type'], self::ACCOUNT_TYPES)) {
+					ActivityPub\Processor::unblockAccount($object_data);
 				} elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce'])) &&
 					in_array($object_data['object_object_type'], array_merge(['as:Tombstone'], self::CONTENT_TYPES))) {
 					ActivityPub\Processor::undoActivity($object_data);
 				} elseif (in_array($object_data['object_type'], array_merge(self::ACTIVITY_TYPES, ['as:Announce', 'as:Create', ''])) &&
-					($object_data['object_object_type'] == '')) {
+					empty($object_data['object_object_type'])) {
 					// We cannot detect the target object. So we can ignore it.
 				} elseif (in_array($object_data['object_type'], ['as:Create']) &&
 					in_array($object_data['object_object_type'], ['pt:CacheFile'])) {
@@ -744,16 +748,20 @@ class Receiver
 				break;
 
 			case 'as:View':
-				if (in_array($object_data['object_type'], ['as:Note', 'as:Video'])) {
-					// Unhandled Peertube activity
+				if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
+					ActivityPub\Processor::createActivity($object_data, Activity::VIEW);
+				} elseif ($object_data['object_type'] == '') {
+					// The object type couldn't be determined. Most likely we don't have it here. We ignore this activity.
 				} else {
 					self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
 				}
 				break;
 
 			case 'litepub:EmojiReact':
-				if (in_array($object_data['object_type'], array_merge([''], self::CONTENT_TYPES))) {
-					// Unhandled Pleroma activity to react to a post via an emoji
+				if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
+					ActivityPub\Processor::createActivity($object_data, Activity::EMOJIREACT);
+				} elseif ($object_data['object_type'] == '') {
+					// The object type couldn't be determined. We don't have it and we can't fetch it. We ignore this activity.
 				} else {
 					self::storeUnhandledActivity(true, $type, $object_data, $activity, $body, $uid, $trust_source, $push, $signer);
 				}
@@ -767,7 +775,7 @@ class Receiver
 	}
 
 	/**
-	 * Stores unhandled or unknown Activitities as a file
+	 * Stores unhandled or unknown Activities as a file
 	 *
 	 * @param boolean $unknown      "true" if the activity is unknown, "false" if it is unhandled
 	 * @param string  $type         Activity type
@@ -786,8 +794,18 @@ class Receiver
 			return;
 		}
 
-		$tempfile = tempnam(System::getTempPath(), ($unknown  ? 'unknown-' : 'unhandled-') . str_replace(':', '-', $type) . '-' . str_replace(':', '-', $object_data['object_type']) . '-' . str_replace(':', '-', $object_data['object_object_type'] ?? '') . '-');
-		file_put_contents($tempfile, json_encode(['activity' => $activity, 'body' => $body, 'uid' => $uid, 'trust_source' => $trust_source, 'push' => $push, 'signer' => $signer, 'object_data' => $object_data], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
+		$file = ($unknown  ? 'unknown-' : 'unhandled-') . str_replace(':', '-', $type) . '-';
+	
+		if (!empty($object_data['object_type'])) {
+			$file .= str_replace(':', '-', $object_data['object_type']) . '-';
+		}
+
+		if (!empty($object_data['object_object_type'])) {
+			$file .= str_replace(':', '-', $object_data['object_object_type']) . '-';
+		}
+
+		$tempfile = tempnam(System::getTempPath(), $file);
+		file_put_contents($tempfile, json_encode(['activity' => $activity, 'body' => $body, 'uid' => $uid, 'trust_source' => $trust_source, 'push' => $push, 'signer' => $signer, 'object_data' => $object_data], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT));
 		Logger::notice('Unknown activity stored', ['type' => $type, 'object_type' => $object_data['object_type'], $object_data['object_object_type'] ?? '', 'file' => $tempfile]);
 	}
 
@@ -1421,6 +1439,59 @@ class Receiver
 		return $attachlist;
 	}
 
+	/**
+	 * Convert questions from JSON-LD format into a simplified format
+	 *
+	 * @param array $object
+	 *
+	 * @return array Questions in a simplified format
+	 */
+	private static function processQuestion(array $object)
+	{
+		$question = [];
+
+		if (!empty($object['as:oneOf'])) {
+			$question['multiple'] = false;
+			$options = JsonLD::fetchElementArray($object, 'as:oneOf') ?? [];
+		} elseif (!empty($object['as:anyOf'])) {
+			$question['multiple'] = true;
+			$options = JsonLD::fetchElementArray($object, 'as:anyOf') ?? [];
+		} else {
+			return [];
+		}
+
+		// @todo Check if "closed" is a thing, see here: https://www.w3.org/TR/activitystreams-vocabulary/#dfn-closed
+		$question['voters']  = (int)JsonLD::fetchElement($object, 'toot:votersCount', '@value');
+		$question['options'] = [];
+
+		$voters = 0;
+
+		foreach ($options as $option) {
+			if (JsonLD::fetchElement($option, '@type') != 'as:Note') {
+				continue;
+			}
+
+			$name = JsonLD::fetchElement($option, 'as:name', '@value');
+
+			if (empty($option['as:replies'])) {
+				continue;
+			}
+
+			$replies = JsonLD::fetchElement($option['as:replies'], 'as:totalItems', '@value');
+
+			$question['options'][] = ['name' => $name, 'replies' => $replies];
+
+			$voters += (int)$replies;
+		}
+
+		// For single choice question we can count the number of voters if not provided (like with Misskey)
+		if (empty($question['voters']) && !$question['multiple']) {
+			$question['voters'] = $voters;
+		}
+
+		return $question;
+	}
+
 	/**
 	 * Fetch the original source or content with the "language" Markdown or HTML
 	 *
@@ -1655,6 +1726,10 @@ class Receiver
 			}
 		}
 
+		if (!empty($object_data['alternate-url']) && !Network::isValidHttpUrl($object_data['alternate-url'])) {
+			$object_data['alternate-url'] = null;
+		}
+
 		if (in_array($object_data['object_type'], ['as:Audio', 'as:Video'])) {
 			$object_data['alternate-url'] = self::extractAlternateUrl($object['as:url'] ?? []) ?: $object_data['alternate-url'];
 			$object_data['attachments'] = array_merge($object_data['attachments'], self::processAttachmentUrls($object['as:url'] ?? []));
@@ -1668,6 +1743,10 @@ class Receiver
 			$object_data['alternate-url'] = null;
 		}
 
+		if ($object_data['object_type'] == 'as:Question') {
+			$object_data['question'] = self::processQuestion($object);
+		}
+
 		$receiverdata = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
 		$receivers = $reception_types = [];
 		foreach ($receiverdata as $key => $data) {