mirror of https://github.com/friendica/friendica
Relaying is nearly done
This commit is contained in:
Michael Vogel
parent
182bee265e
commit
db15f76177
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@ -2063,32 +2063,45 @@ EOT;
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return xml::from_array($data, $xml);
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}
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private function construct_comment($item,$owner,$contact,$public_batch = false) {
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private function construct_comment($item,$owner,$contact,$public_batch = false, $data = null) {
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$myaddr = self::get_my_handle($owner);
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if (is_array($data))
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$message = $data;
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else {
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$myaddr = self::get_my_handle($owner);
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$p = q("SELECT `guid` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
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intval($item["parent"]),
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intval($item["parent"])
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);
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$p = q("SELECT `guid` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
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intval($item["parent"]),
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intval($item["parent"])
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);
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if (!$p)
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return false;
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if (!$p)
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return false;
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$parent = $p[0];
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$parent = $p[0];
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$text = html_entity_decode(bb2diaspora($item["body"]));
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$text = html_entity_decode(bb2diaspora($item["body"]));
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$message = array("guid" => $item["guid"],
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"parent_guid" => $parent["guid"],
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"author_signature" => "",
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"text" => $text,
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"diaspora_handle" => $myaddr);
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}
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// sign it
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$signed_text = $item["guid"].";".$parent["guid"].";".$text.";".$myaddr;
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$sigmsg = $message;
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unset($sigmsg["author_signature"]);
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unset($sigmsg["parent_author_signature"]);
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$signed_text = implode(";", $sigmsg);
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$authorsig = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
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$message = array("guid" => $item["guid"],
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"parent_guid" => $parent["guid"],
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"author_signature" => $authorsig,
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"text" => $text,
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"diaspora_handle" => $myaddr);
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if ($message["author_signature"] == "")
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$message["author_signature"] = $authorsig;
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else
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$message["parent_author_signature"] = $authorsig;
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$data = array("XML" => array("post" => array("comment" => $message)));
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@ -2117,6 +2130,180 @@ EOT;
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return $return_code;
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}
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function send_relay($item, $owner, $contact, $public_batch = false) {
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if ($item["deleted"])
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$sql_sign_id = "retract_iid";
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else
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$sql_sign_id = "iid";
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// fetch the original signature if the relayable was created by a Diaspora
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// or DFRN user.
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$r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE `".$sql_sign_id."` = %d LIMIT 1",
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intval($item["id"])
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);
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if(count($r)) {
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$orig_sign = $r[0];
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$signed_text = $orig_sign['signed_text'];
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$authorsig = $orig_sign['signature'];
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$handle = $orig_sign['signer'];
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// Split the signed text
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$signed_parts = explode(";", $signed_text);
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// Remove the comment guid
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$guid = array_shift($signed_parts);
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// Remove the parent guid
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$parent_guid = array_shift($signed_parts);
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// Remove the handle
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$handle = array_pop($signed_parts);
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// Glue the parts together
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$text = implode(";", $signed_parts);
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$data = array("guid" => $guid,
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"parent_guid" => $parent_guid,
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"parent_author_signature" => "",
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"author_signature" => $orig_sign['signature'],
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"text" => implode(";", $signed_parts),
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"diaspora_handle" => $handle);
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}
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$myaddr = self::get_my_handle($owner);
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if ($item['deleted'])
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; // Retraction
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elseif($item['verb'] === ACTIVITY_LIKE)
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$msg = self::construct_like($item, $owner, $contact, $public_batch);
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else
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$msg = self::construct_comment($item, $owner, $contact, $public_batch, $data);
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die($msg);
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/*
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// Diaspora doesn't support threaded comments, but some
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// versions of Diaspora (i.e. Diaspora-pistos) support
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// likes on comments
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if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
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$p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
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dbesc($item['thr-parent'])
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);
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}
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else {
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// The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
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// return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
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// The only item with `parent` and `id` as the parent id is the parent item.
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$p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
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intval($item['parent']),
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intval($item['parent'])
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);
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}
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if(count($p))
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$parent = $p[0];
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else
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return;
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$like = false;
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$relay_retract = false;
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$sql_sign_id = 'iid';
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if( $item['deleted']) {
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$relay_retract = true;
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$target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
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$sql_sign_id = 'retract_iid';
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$tpl = get_markup_template('diaspora_relayable_retraction.tpl');
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}
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elseif($item['verb'] === ACTIVITY_LIKE) {
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$like = true;
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$target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
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// $positive = (($item['deleted']) ? 'false' : 'true');
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$positive = 'true';
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$tpl = get_markup_template('diaspora_like_relay.tpl');
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}
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else { // item is a comment
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$tpl = get_markup_template('diaspora_comment_relay.tpl');
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}
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// fetch the original signature if the relayable was created by a Diaspora
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// or DFRN user. Relayables for other networks are not supported.
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$r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
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intval($item['id'])
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);
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if(count($r)) {
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$orig_sign = $r[0];
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$signed_text = $orig_sign['signed_text'];
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$authorsig = $orig_sign['signature'];
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$handle = $orig_sign['signer'];
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// Split the signed text
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$signed_parts = explode(";", $signed_text);
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// Remove the parent guid
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array_shift($signed_parts);
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// Remove the comment guid
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array_shift($signed_parts);
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// Remove the handle
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array_pop($signed_parts);
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// Glue the parts together
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$text = implode(";", $signed_parts);
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}
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else {
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// This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
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// This means that the comment won't be accepted by newer Diaspora servers
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$body = $item['body'];
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$text = html_entity_decode(bb2diaspora($body));
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$handle = diaspora_handle_from_contact($item['contact-id']);
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if(! $handle)
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return;
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if($relay_retract)
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$signed_text = $item['guid'] . ';' . $target_type;
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elseif($like)
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$signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
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else
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$signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
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$authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
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}
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// Sign the relayable with the top-level owner's signature
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$parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
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$msg = replace_macros($tpl,array(
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'$guid' => xmlify($item['guid']),
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'$parent_guid' => xmlify($parent['guid']),
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'$target_type' =>xmlify($target_type),
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'$authorsig' => xmlify($authorsig),
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'$parentsig' => xmlify($parentauthorsig),
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'$body' => xmlify($text),
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'$positive' => xmlify($positive),
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'$handle' => xmlify($handle)
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));
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logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
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logger('send guid '.$item['guid'], LOGGER_DEBUG);
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$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
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//$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
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return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
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*/
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}
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public static function send_retraction($item, $owner, $contact, $public_batch = false) {
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$myaddr = self::get_my_handle($owner);
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