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';
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);
}
}
+ /**
+ * @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
*
return $return_code;
}
+ /**
+ * @brief sends an account migration
+ *
+ * @param array $owner the array of the item owner
+ * @param array $contact Target of the communication
+ * @param int $uid User ID
+ *
+ * @return int The result of the transmission
+ */
+ public static function sendAccountMigration($owner, $contact, $uid) {
+
+ $old_handle = PConfig::get($uid, 'system', 'previous_addr');
+ $profile = self::createProfileData($uid);
+
+ $signed_text = 'AccountMigration:'.$old_handle.':'.$profile['author'];
+ $signature = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
+
+ $message = array("author" => $old_handle,
+ "profile" => $profile,
+ "signature" => $signature);
+
+ logger("Send account migration ".print_r($message, true), LOGGER_DEBUG);
+
+ return self::build_and_transmit($owner, $contact, "account_migration", $message);
+ }
+
/**
* @brief Sends a "share" message
*
}
/**
- * @brief Sends profile data
+ * @brief Create profile data
*
* @param int $uid The user id
+ *
+ * @return array The profile data
*/
- public static function send_profile($uid, $recips = false) {
-
- if (!$uid)
- return;
-
- if (!$recips)
- $recips = q("SELECT `id`,`name`,`network`,`pubkey`,`notify` FROM `contact` WHERE `network` = '%s'
- AND `uid` = %d AND `rel` != %d",
- dbesc(NETWORK_DIASPORA),
- intval($uid),
- intval(CONTACT_IS_SHARING)
- );
- if (!$recips)
- return;
-
+ private static function createProfileData($uid) {
$r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.*, `user`.`prvkey` AS `uprvkey`, `contact`.`addr`
FROM `profile`
INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
intval($uid)
);
- if (!$r)
- return;
+ if (!$r) {
+ return array();
+ }
$profile = $r[0];
$tags = trim($tags);
}
- $message = array("author" => $handle,
+ return array("author" => $handle,
"first_name" => $first,
"last_name" => $last,
"image_url" => $large,
"searchable" => $searchable,
"nsfw" => "false",
"tag_string" => $tags);
+ }
+
+ /**
+ * @brief Sends profile data
+ *
+ * @param int $uid The user id
+ */
+ public static function send_profile($uid, $recips = false) {
+
+ if (!$uid)
+ return;
+
+ if (!$recips)
+ $recips = q("SELECT `id`,`name`,`network`,`pubkey`,`notify` FROM `contact` WHERE `network` = '%s'
+ AND `uid` = %d AND `rel` != %d",
+ dbesc(NETWORK_DIASPORA),
+ intval($uid),
+ intval(CONTACT_IS_SHARING)
+ );
+ if (!$recips)
+ return;
+
+ $message = self::createProfileData($uid);
foreach ($recips as $recip) {
logger("Send updated profile data for user ".$uid." to contact ".$recip["id"], LOGGER_DEBUG);