diff options
Diffstat (limited to 'Zotlabs/Lib/ActivityStreams.php')
| -rw-r--r-- | Zotlabs/Lib/ActivityStreams.php | 232 |
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']; } |