get dev

1 files changed, 124 insertions, 108 deletions

diff --git a/Zotlabs/Lib/ActivityStreams.php b/Zotlabs/Lib/ActivityStreams.php
index f877fbb45..ba7ec0c65 100644
--- a/Zotlabs/Lib/ActivityStreams.php
+++ b/Zotlabs/Lib/ActivityStreams.php
@@ -7,25 +7,24 @@ namespace Zotlabs\Lib;
  *
  * Parses an ActivityStream JSON string.
  */
-
 class ActivityStreams {
 
-	public $raw        = null;
-	public $data       = null;
-	public $valid      = false;
-	public $deleted    = false;
-	public $id         = '';
-	public $parent_id  = '';
-	public $type       = '';
-	public $actor      = null;
-	public $obj        = null;
-	public $tgt        = null;
-	public $origin     = null;
-	public $owner      = null;
-	public $signer     = null;
-	public $ldsig      = null;
-	public $sigok      = false;
-	public $recips     = null;
+	public $raw = null;
+	public $data = null;
+	public $valid = false;
+	public $deleted = false;
+	public $id = '';
+	public $parent_id = '';
+	public $type = '';
+	public $actor = null;
+	public $obj = null;
+	public $tgt = null;
+	public $origin = null;
+	public $owner = null;
+	public $signer = null;
+	public $ldsig = null;
+	public $sigok = false;
+	public $recips = null;
 	public $raw_recips = null;
 
 	/**
@@ -37,29 +36,29 @@ class ActivityStreams {
 	 */
 	function __construct($string) {
 
-		$this->raw  = $string;
+		$this->raw = $string;
 
-		if(is_array($string)) {
+		if (is_array($string)) {
 			$this->data = $string;
 		}
 		else {
 			$this->data = json_decode($string, true);
 		}
 
-		if($this->data) {
+		if ($this->data) {
 
 			// verify and unpack JSalmon signature if present
 
-			if(is_array($this->data) && array_key_exists('signed',$this->data)) {
+			if (is_array($this->data) && array_key_exists('signed', $this->data)) {
 				$ret = JSalmon::verify($this->data);
 				$tmp = JSalmon::unpack($this->data['data']);
-				if($ret && $ret['success']) {
-					if($ret['signer']) {
-						$saved = json_encode($this->data,JSON_UNESCAPED_SLASHES);
-						$this->data = $tmp;
-						$this->data['signer'] = $ret['signer'];
+				if ($ret && $ret['success']) {
+					if ($ret['signer']) {
+						$saved                     = json_encode($this->data, JSON_UNESCAPED_SLASHES);
+						$this->data                = $tmp;
+						$this->data['signer']      = $ret['signer'];
 						$this->data['signed_data'] = $saved;
-						if($ret['hubloc']) {
+						if ($ret['hubloc']) {
 							$this->data['hubloc'] = $ret['hubloc'];
 						}
 					}
@@ -68,57 +67,57 @@ class ActivityStreams {
 
 			$this->valid = true;
 
-			if(array_key_exists('type',$this->data) && array_key_exists('actor',$this->data) && array_key_exists('object',$this->data)) {
-				if($this->data['type'] === 'Delete' && $this->data['actor'] === $this->data['object']) {
+			if (array_key_exists('type', $this->data) && array_key_exists('actor', $this->data) && array_key_exists('object', $this->data)) {
+				if ($this->data['type'] === 'Delete' && $this->data['actor'] === $this->data['object']) {
 					$this->deleted = $this->data['actor'];
-					$this->valid = false;
+					$this->valid   = false;
 				}
 			}
 
 		}
 
-		if($this->is_valid()) {
+		if ($this->is_valid()) {
 			$this->id     = $this->get_property_obj('id');
 			$this->type   = $this->get_primary_type();
-			$this->actor  = $this->get_actor('actor','','');
+			$this->actor  = $this->get_actor('actor', '', '');
 			$this->obj    = $this->get_compound_property('object');
 			$this->tgt    = $this->get_compound_property('target');
 			$this->origin = $this->get_compound_property('origin');
 			$this->recips = $this->collect_recips();
 
 			$this->ldsig = $this->get_compound_property('signature');
-			if($this->ldsig) {
-				$this->signer = $this->get_compound_property('creator',$this->ldsig);
-				if($this->signer && is_array($this->signer) && array_key_exists('publicKey',$this->signer) && is_array($this->signer['publicKey']) && $this->signer['publicKey']['publicKeyPem']) {
-					$this->sigok = LDSignatures::verify($this->data,$this->signer['publicKey']['publicKeyPem']);
+			if ($this->ldsig) {
+				$this->signer = $this->get_compound_property('creator', $this->ldsig);
+				if ($this->signer && is_array($this->signer) && array_key_exists('publicKey', $this->signer) && is_array($this->signer['publicKey']) && $this->signer['publicKey']['publicKeyPem']) {
+					$this->sigok = LDSignatures::verify($this->data, $this->signer['publicKey']['publicKeyPem']);
 				}
 			}
 
-			if(! $this->obj) {
-				$this->obj = $this->data;
+			if (!$this->obj) {
+				$this->obj  = $this->data;
 				$this->type = 'Create';
-				if(! $this->actor) {
-					$this->actor = $this->get_actor('attributedTo',$this->obj);
+				if (!$this->actor) {
+					$this->actor = $this->get_actor('attributedTo', $this->obj);
 				}
 			}
 
 			// fetch recursive or embedded activities
 
-			if ($this->obj && is_array($this->obj) && array_key_exists('object',$this->obj)) {
+			if ($this->obj && is_array($this->obj) && array_key_exists('object', $this->obj)) {
 				$this->obj['object'] = $this->get_compound_property($this->obj['object']);
 			}
 
-			if($this->obj && is_array($this->obj) && $this->obj['actor'])
-				$this->obj['actor'] = $this->get_actor('actor',$this->obj);
-			if($this->tgt && is_array($this->tgt) && $this->tgt['actor'])
-				$this->tgt['actor'] = $this->get_actor('actor',$this->tgt);
+			if ($this->obj && is_array($this->obj) && $this->obj['actor'])
+				$this->obj['actor'] = $this->get_actor('actor', $this->obj);
+			if ($this->tgt && is_array($this->tgt) && $this->tgt['actor'])
+				$this->tgt['actor'] = $this->get_actor('actor', $this->tgt);
 
 			$this->parent_id = $this->get_property_obj('inReplyTo');
 
-			if((! $this->parent_id) && is_array($this->obj)) {
+			if ((!$this->parent_id) && is_array($this->obj)) {
 				$this->parent_id = $this->obj['inReplyTo'];
 			}
-			if((! $this->parent_id) && is_array($this->obj)) {
+			if ((!$this->parent_id) && is_array($this->obj)) {
 				$this->parent_id = $this->obj['id'];
 			}
 		}
@@ -147,19 +146,19 @@ class ActivityStreams {
 	function collect_recips($base = '', $namespace = '') {
 		$x = [];
 
-		$fields = [ 'to', 'cc', 'bto', 'bcc', 'audience'];
-		foreach($fields as $f) {
+		$fields = ['to', 'cc', 'bto', 'bcc', 'audience'];
+		foreach ($fields as $f) {
 			$y = $this->get_compound_property($f, $base, $namespace);
-			if($y) {
-				if (! is_array($this->raw_recips)) {
+			if ($y) {
+				if (!is_array($this->raw_recips)) {
 					$this->raw_recips = [];
 				}
 
-				if (! is_array($y)) {
-					$y = [ $y ];
+				if (!is_array($y)) {
+					$y = [$y];
 				}
 				$this->raw_recips[$f] = $y;
-				$x = array_merge($x, $y);
+				$x                    = array_merge($x, $y);
 			}
 		}
 // not yet ready for prime time
@@ -167,21 +166,21 @@ class ActivityStreams {
 		return $x;
 	}
 
-	function expand($arr,$base = '',$namespace = '') {
+	function expand($arr, $base = '', $namespace = '') {
 		$ret = [];
 
 		// right now use a hardwired recursion depth of 5
 
-		for($z = 0; $z < 5; $z ++) {
-			if(is_array($arr) && $arr) {
-				foreach($arr as $a) {
-					if(is_array($a)) {
+		for ($z = 0; $z < 5; $z++) {
+			if (is_array($arr) && $arr) {
+				foreach ($arr as $a) {
+					if (is_array($a)) {
 						$ret[] = $a;
 					}
 					else {
-						$x = $this->get_compound_property($a,$base,$namespace);
-						if($x) {
-							$ret = array_merge($ret,$x);
+						$x = $this->get_compound_property($a, $base, $namespace);
+						if ($x) {
+							$ret = array_merge($ret, $x);
 						}
 					}
 				}
@@ -202,33 +201,33 @@ class ActivityStreams {
 	 */
 	function get_namespace($base, $namespace) {
 
-		if(! $namespace)
+		if (!$namespace)
 			return '';
 
 		$key = null;
 
-		foreach( [ $this->data, $base ] as $b ) {
-			if(! $b)
+		foreach ([$this->data, $base] as $b) {
+			if (!$b)
 				continue;
 
-			if(array_key_exists('@context', $b)) {
-				if(is_array($b['@context'])) {
-					foreach($b['@context'] as $ns) {
-						if(is_array($ns)) {
-							foreach($ns as $k => $v) {
-								if($namespace === $v)
+			if (array_key_exists('@context', $b)) {
+				if (is_array($b['@context'])) {
+					foreach ($b['@context'] as $ns) {
+						if (is_array($ns)) {
+							foreach ($ns as $k => $v) {
+								if ($namespace === $v)
 									$key = $k;
 							}
 						}
 						else {
-							if($namespace === $ns) {
+							if ($namespace === $ns) {
 								$key = '';
 							}
 						}
 					}
 				}
 				else {
-					if($namespace === $b['@context']) {
+					if ($namespace === $b['@context']) {
 						$key = '';
 					}
 				}
@@ -248,14 +247,14 @@ class ActivityStreams {
 	 */
 	function get_property_obj($property, $base = '', $namespace = '') {
 		$prefix = $this->get_namespace($base, $namespace);
-		if($prefix === null)
+		if ($prefix === null)
 			return null;
 
-		$base = (($base) ? $base : $this->data);
+		$base     = (($base) ? $base : $this->data);
 		$propname = (($prefix) ? $prefix . ':' : '') . $property;
 
-		if(! is_array($base)) {
-			btlogger('not an array: ' . print_r($base,true));
+		if (!is_array($base)) {
+			btlogger('not an array: ' . print_r($base, true));
 			return null;
 		}
 
@@ -279,14 +278,14 @@ class ActivityStreams {
 	}
 
 	static function is_an_actor($s) {
-		return (in_array($s, [ 'Application','Group','Organization','Person','Service' ]));
+		return (in_array($s, ['Application', 'Group', 'Organization', 'Person', 'Service']));
 	}
 
 	static function is_response_activity($s) {
-		if (! $s) {
+		if (!$s) {
 			return false;
 		}
-		return (in_array($s, [ 'Like', 'Dislike', 'Flag', 'Block', 'Accept', 'Reject', 'TentativeAccept', 'TentativeReject', 'emojiReaction', 'EmojiReaction', 'EmojiReact' ]));
+		return (in_array($s, ['Like', 'Dislike', 'Flag', 'Block', 'Accept', 'Reject', 'TentativeAccept', 'TentativeReject', 'emojiReaction', 'EmojiReaction', 'EmojiReact']));
 	}
 
 	/**
@@ -298,9 +297,9 @@ class ActivityStreams {
 	 * @return NULL|mixed
 	 */
 
-	function get_actor($property,$base='',$namespace = '') {
+	function get_actor($property, $base = '', $namespace = '') {
 		$x = $this->get_property_obj($property, $base, $namespace);
-		if($this->is_url($x)) {
+		if ($this->is_url($x)) {
 
 			// SECURITY: If we have already stored the actor profile, re-generate it
 			// from cached data - don't refetch it from the network
@@ -308,15 +307,15 @@ class ActivityStreams {
 			$r = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_id_url = '%s' limit 1",
 				dbesc($x)
 			);
-			if($r) {
-				$y = Activity::encode_person($r[0]);
+			if ($r) {
+				$y           = Activity::encode_person($r[0]);
 				$y['cached'] = true;
 				return $y;
 			}
 		}
-		$actor = $this->get_compound_property($property,$base,$namespace,true);
-		if(is_array($actor) && self::is_an_actor($actor['type'])) {
-			if(array_key_exists('id',$actor) && (! array_key_exists('inbox',$actor))) {
+		$actor = $this->get_compound_property($property, $base, $namespace, true);
+		if (is_array($actor) && self::is_an_actor($actor['type'])) {
+			if (array_key_exists('id', $actor) && (!array_key_exists('inbox', $actor))) {
 				$actor = $this->fetch_property($actor['id']);
 			}
 			return $actor;
@@ -336,7 +335,7 @@ class ActivityStreams {
 	 */
 	function get_compound_property($property, $base = '', $namespace = '', $first = false) {
 		$x = $this->get_property_obj($property, $base, $namespace);
-		if($this->is_url($x)) {
+		if ($this->is_url($x)) {
 			$y = $this->fetch_property($x);
 			if (is_array($y)) {
 				$x = $y;
@@ -345,22 +344,22 @@ class ActivityStreams {
 
 		// verify and unpack JSalmon signature if present
 
-		if(is_array($x) && array_key_exists('signed',$x)) {
+		if (is_array($x) && array_key_exists('signed', $x)) {
 			$ret = JSalmon::verify($x);
 			$tmp = JSalmon::unpack($x['data']);
-			if($ret && $ret['success']) {
-				if($ret['signer']) {
-					$saved = json_encode($x,JSON_UNESCAPED_SLASHES);
-					$x = $tmp;
-					$x['signer'] = $ret['signer'];
+			if ($ret && $ret['success']) {
+				if ($ret['signer']) {
+					$saved            = json_encode($x, JSON_UNESCAPED_SLASHES);
+					$x                = $tmp;
+					$x['signer']      = $ret['signer'];
 					$x['signed_data'] = $saved;
-					if($ret['hubloc']) {
+					if ($ret['hubloc']) {
 						$x['hubloc'] = $ret['hubloc'];
 					}
 				}
 			}
 		}
-		if($first && is_array($x) && array_key_exists(0,$x)) {
+		if ($first && is_array($x) && array_key_exists(0, $x)) {
 			return $x[0];
 		}
 
@@ -374,7 +373,7 @@ class ActivityStreams {
 	 * @return boolean
 	 */
 	function is_url($url) {
-		if(($url) && (! is_array($url)) && (strpos($url, 'http') === 0)) {
+		if (($url) && (!is_array($url)) && (strpos($url, 'http') === 0)) {
 			return true;
 		}
 
@@ -389,13 +388,13 @@ class ActivityStreams {
 	 * @return NULL|mixed
 	 */
 	function get_primary_type($base = '', $namespace = '') {
-		if(! $base)
+		if (!$base)
 			$base = $this->data;
 
 		$x = $this->get_property_obj('type', $base, $namespace);
-		if(is_array($x)) {
-			foreach($x as $y) {
-				if(strpos($y, ':') === false) {
+		if (is_array($x)) {
+			foreach ($x as $y) {
+				if (strpos($y, ':') === false) {
 					return $y;
 				}
 			}
@@ -409,15 +408,32 @@ class ActivityStreams {
 		return $x;
 	}
 
-	static function is_as_request() {
+	static function is_as_request($channel = null) {
+
+		$hookdata = [];
+		if ($channel)
+			$hookdata['channel'] = $channel;
+
+		$hookdata['data'] = ['application/x-zot-activity+json'];
+
+		call_hooks('is_as_request', $hookdata);
+
+		$x = getBestSupportedMimeType($hookdata['data']);
+		return (($x) ? true : false);
+
+	}
+
+	static function get_accept_header_string($channel = null) {
+
+		$hookdata = [];
+		if ($channel)
+			$hookdata['channel'] = $channel;
+
+		$hookdata['data'] = 'application/x-zot-activity+json';
 
-		$x = getBestSupportedMimeType([
-			'application/ld+json;profile="https://www.w3.org/ns/activitystreams"',
-			'application/activity+json',
-			'application/ld+json;profile="http://www.w3.org/ns/activitystreams"'
-		]);
+		call_hooks('get_accept_header_string', $hookdata);
 
-		return(($x) ? true : false);
+		return $hookdata['data'];
 
 	}