--- /dev/null
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * A class for restoring accounts
+ *
+ * PHP version 5
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category Account
+ * @package StatusNet
+ * @author Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+ // This check helps protect against security problems;
+ // your code file can't be executed directly from the web.
+ exit(1);
+}
+
+/**
+ * A class for restoring accounts
+ *
+ * This is a clumsy objectification of the functions in restoreuser.php.
+ *
+ * Note that it quite illegally uses the OStatus_profile class which may
+ * not even exist on this server.
+ *
+ * @category Account
+ * @package StatusNet
+ * @author Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link http://status.net/
+ */
+
+class AccountRestorer
+{
+ function loadXML($xml)
+ {
+ $dom = DOMDocument::loadXML($xml);
+
+ if ($dom->documentElement->namespaceURI != Activity::ATOM ||
+ $dom->documentElement->localName != 'feed') {
+ throw new Exception("'$filename' is not an Atom feed.");
+ }
+
+ return $dom;
+ }
+
+ function importActivityStream($user, $doc)
+ {
+ $feed = $doc->documentElement;
+
+ $subjectEl = ActivityUtils::child($feed, Activity::SUBJECT, Activity::SPEC);
+
+ if (!empty($subjectEl)) {
+ $subject = new ActivityObject($subjectEl);
+ // TRANS: Commandline script output. %1$s is the subject ID, %2$s is the subject nickname.
+ printfv(_("Backup file for user %1$s (%2$s)")."\n", $subject->id, Ostatus_profile::getActivityObjectNickname($subject));
+ } else {
+ throw new Exception("Feed doesn't have an <activity:subject> element.");
+ }
+
+ if (is_null($user)) {
+ // TRANS: Commandline script output.
+ printfv(_("No user specified; using backup user.")."\n");
+ $user = $this->userFromSubject($subject);
+ }
+
+ $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
+
+ // TRANS: Commandline script output. %d is the number of entries in the activity stream in backup; used for plural.
+ printfv(_m("%d entry in backup.","%d entries in backup.",$entries->length)."\n", $entries->length);
+
+ for ($i = $entries->length - 1; $i >= 0; $i--) {
+ try {
+ $entry = $entries->item($i);
+
+ $activity = new Activity($entry, $feed);
+
+ switch ($activity->verb) {
+ case ActivityVerb::FOLLOW:
+ $this->subscribeProfile($user, $subject, $activity);
+ break;
+ case ActivityVerb::JOIN:
+ $this->joinGroup($user, $activity);
+ break;
+ case ActivityVerb::POST:
+ $this->postNote($user, $activity);
+ break;
+ default:
+ throw new Exception("Unknown verb: {$activity->verb}");
+ }
+ } catch (Exception $e) {
+ print $e->getMessage()."\n";
+ continue;
+ }
+ }
+ }
+
+ function subscribeProfile($user, $subject, $activity)
+ {
+ $profile = $user->getProfile();
+
+ if ($activity->objects[0]->id == $subject->id) {
+
+ $other = $activity->actor;
+ $otherUser = User::staticGet('uri', $other->id);
+
+ if (!empty($otherUser)) {
+ $otherProfile = $otherUser->getProfile();
+ } else {
+ throw new Exception("Can't force remote user to subscribe.");
+ }
+ // XXX: don't do this for untrusted input!
+ Subscription::start($otherProfile, $profile);
+
+ } else if (empty($activity->actor) || $activity->actor->id == $subject->id) {
+
+ $other = $activity->objects[0];
+ $otherUser = User::staticGet('uri', $other->id);
+
+ if (!empty($otherUser)) {
+ $otherProfile = $otherUser->getProfile();
+ } else {
+ $oprofile = Ostatus_profile::ensureActivityObjectProfile($other);
+ $otherProfile = $oprofile->localProfile();
+ }
+
+ Subscription::start($profile, $otherProfile);
+ } else {
+ throw new Exception("This activity seems unrelated to our user.");
+ }
+ }
+
+ function joinGroup($user, $activity)
+ {
+ // XXX: check that actor == subject
+
+ $uri = $activity->objects[0]->id;
+
+ $group = User_group::staticGet('uri', $uri);
+
+ if (empty($group)) {
+ $oprofile = Ostatus_profile::ensureActivityObjectProfile($activity->objects[0]);
+ if (!$oprofile->isGroup()) {
+ throw new Exception("Remote profile is not a group!");
+ }
+ $group = $oprofile->localGroup();
+ }
+
+ assert(!empty($group));
+
+ if (Event::handle('StartJoinGroup', array($group, $user))) {
+ Group_member::join($group->id, $user->id);
+ Event::handle('EndJoinGroup', array($group, $user));
+ }
+ }
+
+ // XXX: largely cadged from Ostatus_profile::processNote()
+
+ function postNote($user, $activity)
+ {
+ $note = $activity->objects[0];
+
+ $sourceUri = $note->id;
+
+ $notice = Notice::staticGet('uri', $sourceUri);
+
+ if (!empty($notice)) {
+ // This is weird.
+ $orig = clone($notice);
+ $notice->profile_id = $user->id;
+ $notice->update($orig);
+ return;
+ }
+
+ // Use summary as fallback for content
+
+ if (!empty($note->content)) {
+ $sourceContent = $note->content;
+ } else if (!empty($note->summary)) {
+ $sourceContent = $note->summary;
+ } else if (!empty($note->title)) {
+ $sourceContent = $note->title;
+ } else {
+ // @fixme fetch from $sourceUrl?
+ // @todo i18n FIXME: use sprintf and add i18n.
+ throw new ClientException("No content for notice {$sourceUri}.");
+ }
+
+ // Get (safe!) HTML and text versions of the content
+
+ $rendered = $this->purify($sourceContent);
+ $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
+
+ $shortened = $user->shortenLinks($content);
+
+ $options = array('is_local' => Notice::LOCAL_PUBLIC,
+ 'uri' => $sourceUri,
+ 'rendered' => $rendered,
+ 'replies' => array(),
+ 'groups' => array(),
+ 'tags' => array(),
+ 'urls' => array());
+
+ // Check for optional attributes...
+
+ if (!empty($activity->time)) {
+ $options['created'] = common_sql_date($activity->time);
+ }
+
+ if ($activity->context) {
+ // Any individual or group attn: targets?
+
+ list($options['groups'], $options['replies']) = $this->filterAttention($activity->context->attention);
+
+ // Maintain direct reply associations
+ // @fixme what about conversation ID?
+ if (!empty($activity->context->replyToID)) {
+ $orig = Notice::staticGet('uri',
+ $activity->context->replyToID);
+ if (!empty($orig)) {
+ $options['reply_to'] = $orig->id;
+ }
+ }
+
+ $location = $activity->context->location;
+
+ if ($location) {
+ $options['lat'] = $location->lat;
+ $options['lon'] = $location->lon;
+ if ($location->location_id) {
+ $options['location_ns'] = $location->location_ns;
+ $options['location_id'] = $location->location_id;
+ }
+ }
+ }
+
+ // Atom categories <-> hashtags
+
+ foreach ($activity->categories as $cat) {
+ if ($cat->term) {
+ $term = common_canonical_tag($cat->term);
+ if ($term) {
+ $options['tags'][] = $term;
+ }
+ }
+ }
+
+ // Atom enclosures -> attachment URLs
+ foreach ($activity->enclosures as $href) {
+ // @fixme save these locally or....?
+ $options['urls'][] = $href;
+ }
+
+ $saved = Notice::saveNew($user->id,
+ $content,
+ 'restore', // TODO: restore the actual source
+ $options);
+
+ return $saved;
+ }
+
+ function filterAttention($attn)
+ {
+ $groups = array();
+ $replies = array();
+
+ foreach (array_unique($attn) as $recipient) {
+
+ // Is the recipient a local user?
+
+ $user = User::staticGet('uri', $recipient);
+
+ if ($user) {
+ // @fixme sender verification, spam etc?
+ $replies[] = $recipient;
+ continue;
+ }
+
+ // Is the recipient a remote group?
+ $oprofile = Ostatus_profile::ensureProfileURI($recipient);
+
+ if ($oprofile) {
+ if (!$oprofile->isGroup()) {
+ // may be canonicalized or something
+ $replies[] = $oprofile->uri;
+ }
+ continue;
+ }
+
+ // Is the recipient a local group?
+ // @fixme uri on user_group isn't reliable yet
+ // $group = User_group::staticGet('uri', $recipient);
+ $id = OStatusPlugin::localGroupFromUrl($recipient);
+
+ if ($id) {
+ $group = User_group::staticGet('id', $id);
+ if ($group) {
+ // Deliver to all members of this local group if allowed.
+ $profile = $sender->localProfile();
+ if ($profile->isMember($group)) {
+ $groups[] = $group->id;
+ } else {
+ common_log(LOG_INFO, "Skipping reply to local group {$group->nickname} as sender {$profile->id} is not a member");
+ }
+ continue;
+ } else {
+ common_log(LOG_INFO, "Skipping reply to bogus group $recipient");
+ }
+ }
+ }
+
+ return array($groups, $replies);
+ }
+
+ function userFromSubject($subject)
+ {
+ $user = User::staticGet('uri', $subject->id);
+
+ if (empty($user)) {
+ $attrs =
+ array('nickname' => Ostatus_profile::getActivityObjectNickname($subject),
+ 'uri' => $subject->id);
+
+ $user = User::register($attrs);
+ }
+
+ $profile = $user->getProfile();
+ Ostatus_profile::updateProfile($profile, $subject);
+
+ // FIXME: Update avatar
+ return $user;
+ }
+
+ function purify($content)
+ {
+ $config = array('safe' => 1,
+ 'deny_attribute' => 'id,style,on*');
+ return htmLawed($content, $config);
+ }
+}
require_once INSTALLDIR.'/scripts/commandline.inc';
require_once INSTALLDIR.'/extlib/htmLawed/htmLawed.php';
+
function getActivityStreamDocument()
{
$filename = get_option_value('f', 'file');
// TRANS: Commandline script output. %s is the filename that contains a backup for a user.
printfv(_("Getting backup from file '%s'.")."\n",$filename);
- $xml = file_get_contents($filename);
-
- $dom = DOMDocument::loadXML($xml);
-
- if ($dom->documentElement->namespaceURI != Activity::ATOM ||
- $dom->documentElement->localName != 'feed') {
- throw new Exception("'$filename' is not an Atom feed.");
- }
-
- return $dom;
-}
-
-function importActivityStream($user, $doc)
-{
- $feed = $doc->documentElement;
-
- $subjectEl = ActivityUtils::child($feed, Activity::SUBJECT, Activity::SPEC);
-
- if (!empty($subjectEl)) {
- $subject = new ActivityObject($subjectEl);
- // TRANS: Commandline script output. %1$s is the subject ID, %2$s is the subject nickname.
- printfv(_("Backup file for user %1$s (%2$s)")."\n", $subject->id, Ostatus_profile::getActivityObjectNickname($subject));
- } else {
- throw new Exception("Feed doesn't have an <activity:subject> element.");
- }
-
- if (is_null($user)) {
- // TRANS: Commandline script output.
- printfv(_("No user specified; using backup user.")."\n");
- $user = userFromSubject($subject);
- }
-
- $entries = $feed->getElementsByTagNameNS(Activity::ATOM, 'entry');
-
- // TRANS: Commandline script output. %d is the number of entries in the activity stream in backup; used for plural.
- printfv(_m("%d entry in backup.","%d entries in backup.",$entries->length)."\n", $entries->length);
-
- for ($i = $entries->length - 1; $i >= 0; $i--) {
- try {
- $entry = $entries->item($i);
-
- $activity = new Activity($entry, $feed);
-
- switch ($activity->verb) {
- case ActivityVerb::FOLLOW:
- subscribeProfile($user, $subject, $activity);
- break;
- case ActivityVerb::JOIN:
- joinGroup($user, $activity);
- break;
- case ActivityVerb::POST:
- postNote($user, $activity);
- break;
- default:
- throw new Exception("Unknown verb: {$activity->verb}");
- }
- } catch (Exception $e) {
- print $e->getMessage()."\n";
- continue;
- }
- }
-}
-
-function subscribeProfile($user, $subject, $activity)
-{
- $profile = $user->getProfile();
-
- if ($activity->objects[0]->id == $subject->id) {
-
- $other = $activity->actor;
- $otherUser = User::staticGet('uri', $other->id);
-
- if (!empty($otherUser)) {
- $otherProfile = $otherUser->getProfile();
- } else {
- throw new Exception("Can't force remote user to subscribe.");
- }
- // XXX: don't do this for untrusted input!
- Subscription::start($otherProfile, $profile);
-
- } else if (empty($activity->actor) || $activity->actor->id == $subject->id) {
-
- $other = $activity->objects[0];
- $otherUser = User::staticGet('uri', $other->id);
-
- if (!empty($otherUser)) {
- $otherProfile = $otherUser->getProfile();
- } else {
- $oprofile = Ostatus_profile::ensureActivityObjectProfile($other);
- $otherProfile = $oprofile->localProfile();
- }
-
- Subscription::start($profile, $otherProfile);
- } else {
- throw new Exception("This activity seems unrelated to our user.");
- }
-}
-
-function joinGroup($user, $activity)
-{
- // XXX: check that actor == subject
-
- $uri = $activity->objects[0]->id;
-
- $group = User_group::staticGet('uri', $uri);
-
- if (empty($group)) {
- $oprofile = Ostatus_profile::ensureActivityObjectProfile($activity->objects[0]);
- if (!$oprofile->isGroup()) {
- throw new Exception("Remote profile is not a group!");
- }
- $group = $oprofile->localGroup();
- }
-
- assert(!empty($group));
-
- if (Event::handle('StartJoinGroup', array($group, $user))) {
- Group_member::join($group->id, $user->id);
- Event::handle('EndJoinGroup', array($group, $user));
- }
-}
-
-// XXX: largely cadged from Ostatus_profile::processNote()
-
-function postNote($user, $activity)
-{
- $note = $activity->objects[0];
-
- $sourceUri = $note->id;
-
- $notice = Notice::staticGet('uri', $sourceUri);
- if (!empty($notice)) {
- // This is weird.
- $orig = clone($notice);
- $notice->profile_id = $user->id;
- $notice->update($orig);
- return;
- }
-
- // Use summary as fallback for content
-
- if (!empty($note->content)) {
- $sourceContent = $note->content;
- } else if (!empty($note->summary)) {
- $sourceContent = $note->summary;
- } else if (!empty($note->title)) {
- $sourceContent = $note->title;
- } else {
- // @fixme fetch from $sourceUrl?
- // @todo i18n FIXME: use sprintf and add i18n.
- throw new ClientException("No content for notice {$sourceUri}.");
- }
-
- // Get (safe!) HTML and text versions of the content
-
- $rendered = purify($sourceContent);
- $content = html_entity_decode(strip_tags($rendered), ENT_QUOTES, 'UTF-8');
-
- $shortened = $user->shortenLinks($content);
-
- $options = array('is_local' => Notice::LOCAL_PUBLIC,
- 'uri' => $sourceUri,
- 'rendered' => $rendered,
- 'replies' => array(),
- 'groups' => array(),
- 'tags' => array(),
- 'urls' => array());
-
- // Check for optional attributes...
-
- if (!empty($activity->time)) {
- $options['created'] = common_sql_date($activity->time);
- }
-
- if ($activity->context) {
- // Any individual or group attn: targets?
-
- list($options['groups'], $options['replies']) = filterAttention($activity->context->attention);
-
- // Maintain direct reply associations
- // @fixme what about conversation ID?
- if (!empty($activity->context->replyToID)) {
- $orig = Notice::staticGet('uri',
- $activity->context->replyToID);
- if (!empty($orig)) {
- $options['reply_to'] = $orig->id;
- }
- }
-
- $location = $activity->context->location;
-
- if ($location) {
- $options['lat'] = $location->lat;
- $options['lon'] = $location->lon;
- if ($location->location_id) {
- $options['location_ns'] = $location->location_ns;
- $options['location_id'] = $location->location_id;
- }
- }
- }
-
- // Atom categories <-> hashtags
-
- foreach ($activity->categories as $cat) {
- if ($cat->term) {
- $term = common_canonical_tag($cat->term);
- if ($term) {
- $options['tags'][] = $term;
- }
- }
- }
-
- // Atom enclosures -> attachment URLs
- foreach ($activity->enclosures as $href) {
- // @fixme save these locally or....?
- $options['urls'][] = $href;
- }
-
- $saved = Notice::saveNew($user->id,
- $content,
- 'restore', // TODO: restore the actual source
- $options);
-
- return $saved;
-}
-
-function filterAttention($attn)
-{
- $groups = array();
- $replies = array();
-
- foreach (array_unique($attn) as $recipient) {
-
- // Is the recipient a local user?
-
- $user = User::staticGet('uri', $recipient);
-
- if ($user) {
- // @fixme sender verification, spam etc?
- $replies[] = $recipient;
- continue;
- }
-
- // Is the recipient a remote group?
- $oprofile = Ostatus_profile::ensureProfileURI($recipient);
-
- if ($oprofile) {
- if (!$oprofile->isGroup()) {
- // may be canonicalized or something
- $replies[] = $oprofile->uri;
- }
- continue;
- }
-
- // Is the recipient a local group?
- // @fixme uri on user_group isn't reliable yet
- // $group = User_group::staticGet('uri', $recipient);
- $id = OStatusPlugin::localGroupFromUrl($recipient);
-
- if ($id) {
- $group = User_group::staticGet('id', $id);
- if ($group) {
- // Deliver to all members of this local group if allowed.
- $profile = $sender->localProfile();
- if ($profile->isMember($group)) {
- $groups[] = $group->id;
- } else {
- common_log(LOG_INFO, "Skipping reply to local group {$group->nickname} as sender {$profile->id} is not a member");
- }
- continue;
- } else {
- common_log(LOG_INFO, "Skipping reply to bogus group $recipient");
- }
- }
- }
-
- return array($groups, $replies);
-}
-
-function userFromSubject($subject)
-{
- $user = User::staticGet('uri', $subject->id);
-
- if (empty($user)) {
- $attrs =
- array('nickname' => Ostatus_profile::getActivityObjectNickname($subject),
- 'uri' => $subject->id);
-
- $user = User::register($attrs);
- }
-
- $profile = $user->getProfile();
- Ostatus_profile::updateProfile($profile, $subject);
+ $xml = file_get_contents($filename);
- // FIXME: Update avatar
- return $user;
+ return $xml;
}
-function purify($content)
-{
- $config = array('safe' => 1,
- 'deny_attribute' => 'id,style,on*');
- return htmLawed($content, $config);
-}
try {
try {
} catch (NoUserArgumentException $noae) {
$user = null;
}
- $doc = getActivityStreamDocument();
- importActivityStream($user, $doc);
+ $xml = getActivityStreamDocument();
+ $restorer = new AccountRestorer();
+ $doc = $restorer->loadXML($xml);
+ $restorer->importActivityStream($user, $doc);
} catch (Exception $e) {
print $e->getMessage()."\n";
exit(1);