Relaying is nearly done

This commit is contained in:
Michael Vogel 2016-03-07 01:34:06 +01:00
parent 182bee265e
commit db15f76177

View file

@ -2063,8 +2063,11 @@ EOT;
return xml::from_array($data, $xml); return xml::from_array($data, $xml);
} }
private function construct_comment($item,$owner,$contact,$public_batch = false) { private function construct_comment($item,$owner,$contact,$public_batch = false, $data = null) {
if (is_array($data))
$message = $data;
else {
$myaddr = self::get_my_handle($owner); $myaddr = self::get_my_handle($owner);
$p = q("SELECT `guid` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1", $p = q("SELECT `guid` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
@ -2079,16 +2082,26 @@ EOT;
$text = html_entity_decode(bb2diaspora($item["body"])); $text = html_entity_decode(bb2diaspora($item["body"]));
$message = array("guid" => $item["guid"],
"parent_guid" => $parent["guid"],
"author_signature" => "",
"text" => $text,
"diaspora_handle" => $myaddr);
}
// sign it // sign it
$signed_text = $item["guid"].";".$parent["guid"].";".$text.";".$myaddr; $sigmsg = $message;
unset($sigmsg["author_signature"]);
unset($sigmsg["parent_author_signature"]);
$signed_text = implode(";", $sigmsg);
$authorsig = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256")); $authorsig = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
$message = array("guid" => $item["guid"], if ($message["author_signature"] == "")
"parent_guid" => $parent["guid"], $message["author_signature"] = $authorsig;
"author_signature" => $authorsig, else
"text" => $text, $message["parent_author_signature"] = $authorsig;
"diaspora_handle" => $myaddr);
$data = array("XML" => array("post" => array("comment" => $message))); $data = array("XML" => array("post" => array("comment" => $message)));
@ -2117,6 +2130,180 @@ EOT;
return $return_code; return $return_code;
} }
function send_relay($item, $owner, $contact, $public_batch = false) {
if ($item["deleted"])
$sql_sign_id = "retract_iid";
else
$sql_sign_id = "iid";
// fetch the original signature if the relayable was created by a Diaspora
// or DFRN user.
$r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE `".$sql_sign_id."` = %d LIMIT 1",
intval($item["id"])
);
if(count($r)) {
$orig_sign = $r[0];
$signed_text = $orig_sign['signed_text'];
$authorsig = $orig_sign['signature'];
$handle = $orig_sign['signer'];
// Split the signed text
$signed_parts = explode(";", $signed_text);
// Remove the comment guid
$guid = array_shift($signed_parts);
// Remove the parent guid
$parent_guid = array_shift($signed_parts);
// Remove the handle
$handle = array_pop($signed_parts);
// Glue the parts together
$text = implode(";", $signed_parts);
$data = array("guid" => $guid,
"parent_guid" => $parent_guid,
"parent_author_signature" => "",
"author_signature" => $orig_sign['signature'],
"text" => implode(";", $signed_parts),
"diaspora_handle" => $handle);
}
$myaddr = self::get_my_handle($owner);
if ($item['deleted'])
; // Retraction
elseif($item['verb'] === ACTIVITY_LIKE)
$msg = self::construct_like($item, $owner, $contact, $public_batch);
else
$msg = self::construct_comment($item, $owner, $contact, $public_batch, $data);
die($msg);
/*
// Diaspora doesn't support threaded comments, but some
// versions of Diaspora (i.e. Diaspora-pistos) support
// likes on comments
if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
$p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
dbesc($item['thr-parent'])
);
}
else {
// The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
// return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
// The only item with `parent` and `id` as the parent id is the parent item.
$p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
intval($item['parent']),
intval($item['parent'])
);
}
if(count($p))
$parent = $p[0];
else
return;
$like = false;
$relay_retract = false;
$sql_sign_id = 'iid';
if( $item['deleted']) {
$relay_retract = true;
$target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
$sql_sign_id = 'retract_iid';
$tpl = get_markup_template('diaspora_relayable_retraction.tpl');
}
elseif($item['verb'] === ACTIVITY_LIKE) {
$like = true;
$target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
// $positive = (($item['deleted']) ? 'false' : 'true');
$positive = 'true';
$tpl = get_markup_template('diaspora_like_relay.tpl');
}
else { // item is a comment
$tpl = get_markup_template('diaspora_comment_relay.tpl');
}
// fetch the original signature if the relayable was created by a Diaspora
// or DFRN user. Relayables for other networks are not supported.
$r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
intval($item['id'])
);
if(count($r)) {
$orig_sign = $r[0];
$signed_text = $orig_sign['signed_text'];
$authorsig = $orig_sign['signature'];
$handle = $orig_sign['signer'];
// Split the signed text
$signed_parts = explode(";", $signed_text);
// Remove the parent guid
array_shift($signed_parts);
// Remove the comment guid
array_shift($signed_parts);
// Remove the handle
array_pop($signed_parts);
// Glue the parts together
$text = implode(";", $signed_parts);
}
else {
// This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
// This means that the comment won't be accepted by newer Diaspora servers
$body = $item['body'];
$text = html_entity_decode(bb2diaspora($body));
$handle = diaspora_handle_from_contact($item['contact-id']);
if(! $handle)
return;
if($relay_retract)
$signed_text = $item['guid'] . ';' . $target_type;
elseif($like)
$signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
else
$signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
}
// Sign the relayable with the top-level owner's signature
$parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
$msg = replace_macros($tpl,array(
'$guid' => xmlify($item['guid']),
'$parent_guid' => xmlify($parent['guid']),
'$target_type' =>xmlify($target_type),
'$authorsig' => xmlify($authorsig),
'$parentsig' => xmlify($parentauthorsig),
'$body' => xmlify($text),
'$positive' => xmlify($positive),
'$handle' => xmlify($handle)
));
logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
logger('send guid '.$item['guid'], LOGGER_DEBUG);
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
*/
}
public static function send_retraction($item, $owner, $contact, $public_batch = false) { public static function send_retraction($item, $owner, $contact, $public_batch = false) {
$myaddr = self::get_my_handle($owner); $myaddr = self::get_my_handle($owner);