function bb2diaspora_itembody($item, $force_update = false, $have_channel = false)
{
if (!get_iconfig($item, 'diaspora', 'fields')) {
$force_update = true;
}
$matches = array();
if ($item['diaspora_meta'] && !$force_update) {
$diaspora_meta = json_decode($item['diaspora_meta'], true);
if ($diaspora_meta) {
if (array_key_exists('iv', $diaspora_meta)) {
$key = get_config('system', 'prvkey');
$meta = json_decode(crypto_unencapsulate($diaspora_meta, $key), true);
} else {
$meta = $diaspora_meta;
}
if ($meta) {
logger('bb2diaspora_itembody: cached ');
$newitem = $item;
$newitem['body'] = $meta['body'];
return $newitem['body'];
}
}
}
create_export_photo_body($item);
$newitem = $item;
if (array_key_exists('item_obscured', $item) && intval($item['item_obscured'])) {
$key = get_config('system', 'prvkey');
$b = json_decode($item['body'], true);
// if called from diaspora_process_outbound, this decoding has already been done.
// Everything else that calls us will not yet be decoded.
if ($b && is_array($b) && array_key_exists('iv', $b)) {
$newitem['title'] = $item['title'] ? crypto_unencapsulate(json_decode($item['title'], true), $key) : '';
$newitem['body'] = $item['body'] ? crypto_unencapsulate(json_decode($item['body'], true), $key) : '';
}
}
if (!$have_channel) {
bb2diaspora_itemwallwall($newitem);
}
$title = $newitem['title'];
$body = preg_replace('/\\#\\^http/i', 'http', $newitem['body']);
// protect tags and mentions from hijacking
if (intval(get_pconfig($item['uid'], 'system', 'prevent_tag_hijacking'))) {
$new_tag = html_entity_decode('⋕', ENT_COMPAT, 'UTF-8');
$new_mention = html_entity_decode('＠', ENT_COMPAT, 'UTF-8');
// #-tags
$body = preg_replace('/\\#\\[url/i', $new_tag . '[url', $body);
$body = preg_replace('/\\#\\[zrl/i', $new_tag . '[zrl', $body);
// @-mentions
$body = preg_replace('/\\@\\!?\\[url/i', $new_mention . '[url', $body);
$body = preg_replace('/\\@\\!?\\[zrl/i', $new_mention . '[zrl', $body);
}
// remove multiple newlines
do {
$oldbody = $body;
$body = str_replace("\n\n\n", "\n\n", $body);
} while ($oldbody != $body);
$body = bb2diaspora($body);
if (strlen($title)) {
$body = "## " . $title . "\n\n" . $body;
}
if ($item['attach']) {
$cnt = preg_match_all('/href=\\"(.*?)\\"(.*?)title=\\"(.*?)\\"/ism', $item['attach'], $matches, PREG_SET_ORDER);
if ($cnt) {
$body .= "\n" . t('Attachments:') . "\n";
foreach ($matches as $mtch) {
$body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
}
}
}
// logger('bb2diaspora_itembody : ' . $body, LOGGER_DATA);
return html_entity_decode($body);
}
function diaspora_send_downstream($item, $owner, $contact, $public_batch = false)
{
$a = get_app();
$myaddr = $owner['channel_address'] . '@' . App::get_hostname();
$text = bb2diaspora_itembody($item);
$body = $text;
// Diaspora doesn't support threaded comments, but some
// versions of Diaspora (i.e. Diaspora-pistos) support
// likes on comments
// That version is now dead so detect a "sublike" and
// just send it as an activity.
$sublike = false;
if ($item['verb'] === ACTIVITY_LIKE) {
if ($item['thr_parent'] && $item['thr_parent'] !== $item['parent_mid']) {
$sublike = true;
}
}
// 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.
$p = q("select * from item where parent = %d and id = %d limit 1", intval($item['parent']), intval($item['parent']));
if ($p) {
$parent = $p[0];
} else {
logger('diaspora_send_downstream: no parent');
return;
}
$xmlout = diaspora_fields_to_xml(get_iconfig($item, 'diaspora', 'fields'));
$like = false;
$relay_retract = false;
$sql_sign_id = 'iid';
if (intval($item['item_deleted'])) {
$relay_retract = true;
$target_type = $item['verb'] === ACTIVITY_LIKE && !$sublike ? 'Like' : 'Comment';
$sql_sign_id = 'retract_iid';
$tpl = get_markup_template('diaspora_relayable_retraction.tpl', 'addon/diaspora');
} elseif ($item['verb'] === ACTIVITY_LIKE && !$sublike && $xmlout) {
$like = true;
$target_type = $parent['mid'] === $parent['parent_mid'] ? 'Post' : 'Comment';
// $positive = (intval($item['item_deleted']) ? 'false' : 'true');
$positive = 'true';
$tpl = get_markup_template('diaspora_like_relay.tpl', 'addon/diaspora');
} else {
// item is a comment
$tpl = get_markup_template('diaspora_comment_relay.tpl', 'addon/diaspora');
}
$diaspora_meta = $item['diaspora_meta'] ? json_decode($item['diaspora_meta'], true) : '';
if ($diaspora_meta) {
if (array_key_exists('iv', $diaspora_meta)) {
$key = get_config('system', 'prvkey');
$meta = json_decode(crypto_unencapsulate($diaspora_meta, $key), true);
} else {
$meta = $diaspora_meta;
}
$sender_signed_text = $meta['signed_text'];
$authorsig = $meta['signature'];
$handle = $meta['signer'];
$text = $meta['body'];
} else {
logger('diaspora_send_downstream: original author signature not found');
}
/* Since the author signature is only checked by the parent, not by the relay recipients,
* I think it may not be necessary for us to do so much work to preserve all the original
* signatures. The important thing that Diaspora DOES need is the original creator's handle.
* Let's just generate that and forget about all the original author signature stuff.
*
* Note: this might be more of an problem if we want to support likes on comments for older
* versions of Diaspora (diaspora-pistos), but since there are a number of problems with
* doing that, let's ignore it for now.
*
*
*/
// bug - nomadic identity may/will affect diaspora_handle_from_contact
if (!$handle) {
$handle = $owner['channel_address'] . '@' . App::get_hostname();
}
if (!$sender_signed_text) {
if ($relay_retract) {
$sender_signed_text = $item['mid'] . ';' . $target_type;
} elseif ($like) {
$sender_signed_text = $positive . ';' . $item['mid'] . ';' . $target_type . ';' . $parent['mid'] . ';' . $handle;
} else {
$sender_signed_text = $item['mid'] . ';' . $parent['mid'] . ';' . $text . ';' . $handle;
}
}
// The relayable may have arrived from somebody who provided no Diaspora Comment Virus.
// We check for this above in bb2diaspora_itembody. In that case we will have generated
// the body as a "wall-to-wall" post, and the author_signature will now be our own.
if (!$xmlout && !$authorsig) {
$authorsig = base64_encode(rsa_sign($sender_signed_text, $owner['channel_prvkey'], 'sha256'));
}
// Sign the relayable with the top-level owner's signature
$parentauthorsig = base64_encode(rsa_sign($sender_signed_text, $owner['channel_prvkey'], 'sha256'));
if (!$text) {
logger('diaspora_send_downstream: no text');
}
$msg = replace_macros($tpl, array('$xml' => $xmlout, '$guid' => xmlify($item['mid']), '$parent_guid' => xmlify($parent['mid']), '$target_type' => xmlify($target_type), '$authorsig' => xmlify($authorsig), '$parentsig' => xmlify($parentauthorsig), '$body' => xmlify($text), '$positive' => xmlify($positive), '$handle' => xmlify($handle)));
logger('diaspora_send_downstream: base message: ' . $msg, LOGGER_DATA);
$slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg, $owner, $contact, $owner['channel_prvkey'], $contact['xchan_pubkey'], $public_batch)));
return diaspora_queue($owner, $contact, $slap, $public_batch, $item['mid']);
}
function wiki_get_wiki($resource_id)
{
$item = q("SELECT * FROM item WHERE resource_type = '%s' AND resource_id = '%s' AND item_deleted = 0 limit 1", dbesc(WIKI_ITEM_RESOURCE_TYPE), dbesc($resource_id));
if (!$item) {
return array('wiki' => null, 'path' => null);
} else {
$w = $item[0];
// wiki item table record
// Get wiki metadata
$rawName = get_iconfig($w, 'wiki', 'rawName');
$htmlName = get_iconfig($w, 'wiki', 'htmlName');
$urlName = get_iconfig($w, 'wiki', 'urlName');
$path = get_iconfig($w, 'wiki', 'path');
if (!realpath(__DIR__ . '/../' . $path)) {
return array('wiki' => null, 'path' => null);
}
// Path to wiki exists
$abs_path = realpath(__DIR__ . '/../' . $path);
return array('wiki' => $w, 'path' => $abs_path, 'rawName' => $rawName, 'htmlName' => $htmlName, 'urlName' => $urlName);
}
}
