diff options
Diffstat (limited to 'plugins/OStatus/actions/ostatussub.php')
| -rw-r--r-- | plugins/OStatus/actions/ostatussub.php | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/plugins/OStatus/actions/ostatussub.php b/plugins/OStatus/actions/ostatussub.php new file mode 100644 index 000000000..bbbd1b7e6 --- /dev/null +++ b/plugins/OStatus/actions/ostatussub.php @@ -0,0 +1,272 @@ +<?php +/* + * StatusNet - the distributed open-source microblogging tool + * Copyright (C) 2009, StatusNet, Inc. + * + * 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/>. + */ + +/** + * @package OStatusPlugin + * @maintainer Brion Vibber <brion@status.net> + */ + +if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); } + +class OStatusSubAction extends Action +{ + protected $profile_uri; + protected $preview; + protected $munger; + + /** + * Title of the page + * + * @return string Title of the page + */ + + function title() + { + return _m('Authorize subscription'); + } + + /** + * Instructions for use + * + * @return instructions for use + */ + + function getInstructions() + { + return _m('You can subscribe to users from other supported sites. Paste their address or profile URI below:'); + } + + function showForm($error=null) + { + $this->error = $error; + $this->showPage(); + } + + /** + * Content area of the page + * + * Shows a form for associating a remote OStatus account with this + * StatusNet account. + * + * @return void + */ + + function showContent() + { + // @fixme is this right place? + if ($this->error) { + $this->text($this->error); + } + + $user = common_current_user(); + + $profile = $user->getProfile(); + + $this->elementStart('form', array('method' => 'post', + 'id' => 'ostatus_sub', + 'class' => 'form_settings', + 'action' => + common_local_url('ostatussub'))); + + $this->hidden('token', common_session_token()); + + $this->elementStart('fieldset', array('id' => 'settings_feeds')); + + $this->elementStart('ul', 'form_data'); + $this->elementStart('li'); + $this->input('profile', + _m('Address or profile URL'), + $this->profile_uri, + _m('Enter the profile URL of a PubSubHubbub-enabled feed')); + $this->elementEnd('li'); + $this->elementEnd('ul'); + + if ($this->preview) { + $this->submit('subscribe', _m('Subscribe')); + } else { + $this->submit('validate', _m('Continue')); + } + + $this->elementEnd('fieldset'); + + $this->elementEnd('form'); + + if ($this->preview) { + $this->previewFeed(); + } + } + + function prepare($args) + { + parent::prepare($args); + + if (!common_logged_in()) { + // XXX: selfURL() didn't work. :< + common_set_returnto($_SERVER['REQUEST_URI']); + if (Event::handle('RedirectToLogin', array($this, null))) { + common_redirect(common_local_url('login'), 303); + } + return false; + } + + $this->profile_uri = $this->arg('profile'); + + return true; + } + + function handle($args) + { + parent::handle($args); + if ($_SERVER['REQUEST_METHOD'] == 'POST') { + $this->handlePost(); + } else { + if ($this->profile_uri) { + $this->validateAndPreview(); + } else { + $this->showPage(); + } + } + } + + /** + * Handle posts to this form + * + * Based on the button that was pressed, muxes out to other functions + * to do the actual task requested. + * + * All sub-functions reload the form with a message -- success or failure. + * + * @return void + */ + + function handlePost() + { + // CSRF protection + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $this->showForm(_('There was a problem with your session token. '. + 'Try again, please.')); + return; + } + + if ($this->arg('validate')) { + $this->validateAndPreview(); + } else if ($this->arg('subscribe')) { + $this->saveFeed(); + } else { + $this->showForm(_('Unexpected form submission.')); + } + } + + /** + * Set up and add a feed + * + * @return boolean true if feed successfully read + * Sends you back to input form if not. + */ + function validateFeed() + { + $profile_uri = trim($this->arg('profile')); + + if ($profile_uri == '') { + $this->showForm(_m('Empty remote profile URL!')); + return; + } + $this->profile_uri = $profile_uri; + + // @fixme validate, normalize bla bla + try { + $oprofile = Ostatus_profile::ensureProfile($this->profile_uri); + $this->oprofile = $oprofile; + return true; + } catch (FeedSubBadURLException $e) { + $err = _m('Invalid URL or could not reach server.'); + } catch (FeedSubBadResponseException $e) { + $err = _m('Cannot read feed; server returned error.'); + } catch (FeedSubEmptyException $e) { + $err = _m('Cannot read feed; server returned an empty page.'); + } catch (FeedSubBadHTMLException $e) { + $err = _m('Bad HTML, could not find feed link.'); + } catch (FeedSubNoFeedException $e) { + $err = _m('Could not find a feed linked from this URL.'); + } catch (FeedSubUnrecognizedTypeException $e) { + $err = _m('Not a recognized feed type.'); + } catch (FeedSubException $e) { + // Any new ones we forgot about + $err = sprintf(_m('Bad feed URL: %s %s'), get_class($e), $e->getMessage()); + } + + $this->showForm($err); + return false; + } + + function saveFeed() + { + if ($this->validateFeed()) { + $this->preview = true; + + // And subscribe the current user to the local profile + $user = common_current_user(); + + if (!$this->oprofile->subscribe()) { + $this->showForm(_m("Failed to set up server-to-server subscription.")); + return; + } + + if ($this->oprofile->isGroup()) { + $group = $this->oprofile->localGroup(); + if ($user->isMember($group)) { + $this->showForm(_m('Already a member!')); + } elseif (Group_member::join($this->profile->group_id, $user->id)) { + $this->showForm(_m('Joined remote group!')); + } else { + $this->showForm(_m('Remote group join failed!')); + } + } else { + $local = $this->oprofile->localProfile(); + if ($user->isSubscribed($local)) { + $this->showForm(_m('Already subscribed!')); + } elseif ($this->oprofile->subscribeLocalToRemote($user)) { + $this->showForm(_m('Remote user subscribed!')); + } else { + $this->showForm(_m('Remote subscription failed!')); + } + } + } + } + + function validateAndPreview() + { + if ($this->validateFeed()) { + $this->preview = true; + $this->showForm(_m('Previewing feed:')); + } + } + + function previewFeed() + { + $this->text('Profile preview should go here'); + } + + function showScripts() + { + parent::showScripts(); + $this->autofocus('feedurl'); + } +} |