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Merge pull request #3784 from annando/receive-migration

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Diaspora: We now support the receiving of account migration messages
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Tobias Diekershoff 2017-10-13 18:47:02 +02:00 committed by GitHub
commit dd0e75628a
1 changed files with 89 additions and 0 deletions
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89
include/diaspora.php
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@ -12,6 +12,7 @@ use Friendica\App;
use Friendica\Core\System;
use Friendica\Core\Config;
use Friendica\Core\PConfig;
use Friendica\Network\Probe;
require_once 'include/items.php';
require_once 'include/bb2diaspora.php';
@ -498,6 +499,9 @@ class Diaspora {
logger("Received message type ".$type." from ".$sender." for user ".$importer["uid"], LOGGER_DEBUG);
switch ($type) {
case "account_migration":
return self::receiveAccountMigration($importer, $fields);
case "account_deletion":
return self::receive_account_deletion($importer, $fields);
@ -1318,6 +1322,91 @@ class Diaspora {
}
}
/**
* @brief Receives account migration
*
* @param array $importer Array of the importer user
* @param object $data The message object
*
* @return bool Success
*/
private static function receiveAccountMigration($importer, $data) {
$old_handle = notags(unxmlify($data->author));
$new_handle = notags(unxmlify($data->profile->author));
$signature = notags(unxmlify($data->signature));
$contact = self::contact_by_handle($importer["uid"], $old_handle);
if (!$contact) {
logger("cannot find contact for sender: ".$old_handle." and user ".$importer["uid"]);
return false;
}
logger("Got migration for ".$old_handle.", to ".$new_handle." with user ".$importer["uid"]);
// Check signature
$signed_text = 'AccountMigration:'.$old_handle.':'.$new_handle;
$key = self::key($old_handle);
if (!rsa_verify($signed_text, $signature, $key, "sha256")) {
logger('No valid signature for migration.');
return false;
}
// Update the profile
self::receive_profile($importer, $data->profile);
// change the technical stuff in contact and gcontact
$data = Probe::uri($new_handle);
if ($data['network'] == NETWORK_PHANTOM) {
logger('Account for '.$new_handle." couldn't be probed.");
return false;
}
$fields = array('url' => $data['url'], 'nurl' => normalise_link($data['url']),
'name' => $data['name'], 'nick' => $data['nick'],
'addr' => $data['addr'], 'batch' => $data['batch'],
'notify' => $data['notify'], 'poll' => $data['poll'],
'network' => $data['network']);
dba::update('contact', $fields, array('addr' => $old_handle));
$fields = array('url' => $data['url'], 'nurl' => normalise_link($data['url']),
'name' => $data['name'], 'nick' => $data['nick'],
'addr' => $data['addr'], 'connect' => $data['addr'],
'notify' => $data['notify'], 'photo' => $data['photo'],
'server_url' => $data['baseurl'], 'network' => $data['network']);
dba::update('gcontact', $fields, array('addr' => $old_handle));
logger('Contacts are updated.');
// update items
/// @todo This is an extreme performance killer
$fields = array(
'owner-link' => array($contact["url"], $data["url"]),
'author-link' => array($contact["url"], $data["url"]),
);
foreach ($fields as $n=>$f) {
$r = q("SELECT `id` FROM `item` WHERE `%s` = '%s' AND `uid` = %d LIMIT 1",
$n, dbesc($f[0]),
intval($importer["uid"]));
if (dbm::is_result($r)) {
$x = q("UPDATE `item` SET `%s` = '%s' WHERE `%s` = '%s' AND `uid` = %d",
$n, dbesc($f[1]),
$n, dbesc($f[0]),
intval($importer["uid"]));
if ($x === false) {
return false;
}
}
}
logger('Items are updated.');
return true;
}
/**
* @brief Processes an account deletion
*