gnu-social/actions/newapplication.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Register a new OAuth Application
*
* PHP version 5
*
* LICENCE: 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 Applications
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2008-2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* Add a new application
*
* This is the form for adding a new application
*
* @category Application
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class NewApplicationAction extends Action
{
var $msg;
function title()
{
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// TRANS: This is the title of the form for adding a new application.
return _('New application');
}
/**
* Prepare to run
*/
function prepare($args)
{
parent::prepare($args);
if (!common_logged_in()) {
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// TRANS: Client error displayed trying to add a new application while not logged in.
$this->clientError(_('You must be logged in to register an application.'));
return false;
}
return true;
}
/**
* Handle the request
*
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* On GET, show the form. On POST, try to save the app.
*
* @param array $args unused
*
* @return void
*/
function handle($args)
{
parent::handle($args);
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$this->handlePost($args);
} else {
$this->showForm();
}
}
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function handlePost($args)
{
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// Workaround for PHP returning empty $_POST and $_FILES when POST
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// length > post_max_size in php.ini
if (empty($_FILES)
&& empty($_POST)
&& ($_SERVER['CONTENT_LENGTH'] > 0)
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) {
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// TRANS: Client error displayed when the number of bytes in a POST request exceeds a limit.
// TRANS: %s is the number of bytes of the CONTENT_LENGTH.
$msg = _m('The server was unable to handle that much POST data (%s byte) due to its current configuration.',
'The server was unable to handle that much POST data (%s bytes) due to its current configuration.',
intval($_SERVER['CONTENT_LENGTH']));
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$this->clientException(sprintf($msg, $_SERVER['CONTENT_LENGTH']));
return;
}
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// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
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$this->clientError(_('There was a problem with your session token.'));
return;
}
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$cur = common_current_user();
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if ($this->arg('cancel')) {
common_redirect(common_local_url('oauthappssettings'), 303);
} elseif ($this->arg('save')) {
$this->trySave();
} else {
// TRANS: Client error displayed when encountering an unexpected action on form submission.
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$this->clientError(_('Unexpected form submission.'));
}
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}
function showForm($msg=null)
{
$this->msg = $msg;
$this->showPage();
}
function showContent()
{
$form = new ApplicationEditForm($this);
$form->show();
}
function showPageNotice()
{
if ($this->msg) {
$this->element('p', 'error', $this->msg);
} else {
$this->element('p', 'instructions',
// TRANS: Form instructions for registering a new application.
_('Use this form to register a new application.'));
}
}
function trySave()
{
$name = $this->trimmed('name');
$description = $this->trimmed('description');
$source_url = $this->trimmed('source_url');
$organization = $this->trimmed('organization');
$homepage = $this->trimmed('homepage');
$callback_url = $this->trimmed('callback_url');
$type = $this->arg('app_type');
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$access_type = $this->arg('default_access_type');
if (empty($name)) {
// TRANS: Validation error shown when not providing a name in the "New application" form.
$this->showForm(_('Name is required.'));
return;
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} else if ($this->nameExists($name)) {
// TRANS: Validation error shown when providing a name for an application that already exists in the "New application" form.
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$this->showForm(_('Name already in use. Try another one.'));
return;
} elseif (mb_strlen($name) > 255) {
// TRANS: Validation error shown when providing too long a name in the "New application" form.
$this->showForm(_('Name is too long (maximum 255 characters).'));
return;
} elseif (empty($description)) {
// TRANS: Validation error shown when not providing a description in the "New application" form.
$this->showForm(_('Description is required.'));
return;
} elseif (Oauth_application::descriptionTooLong($description)) {
$this->showForm(sprintf(
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// TRANS: Form validation error in New application form.
// TRANS: %d is the maximum number of characters for the description.
_m('Description is too long (maximum %d character).',
'Description is too long (maximum %d characters).',
Oauth_application::maxDesc()),
Oauth_application::maxDesc()));
return;
} elseif (empty($source_url)) {
// TRANS: Validation error shown when not providing a source URL in the "New application" form.
$this->showForm(_('Source URL is required.'));
return;
} elseif ((strlen($source_url) > 0)
&& !Validate::uri(
$source_url,
array('allowed_schemes' => array('http', 'https'))
)
)
{
// TRANS: Validation error shown when providing an invalid source URL in the "New application" form.
$this->showForm(_('Source URL is not valid.'));
return;
} elseif (empty($organization)) {
// TRANS: Validation error shown when not providing an organisation in the "New application" form.
$this->showForm(_('Organization is required.'));
return;
} elseif (mb_strlen($organization) > 255) {
// TRANS: Validation error shown when providing too long an arganisation name in the "Edit application" form.
$this->showForm(_('Organization is too long (maximum 255 characters).'));
return;
} elseif (empty($homepage)) {
// TRANS: Form validation error show when an organisation name has not been provided in the new application form.
$this->showForm(_('Organization homepage is required.'));
return;
} elseif ((strlen($homepage) > 0)
&& !Validate::uri(
$homepage,
array('allowed_schemes' => array('http', 'https'))
)
)
{
// TRANS: Validation error shown when providing an invalid homepage URL in the "New application" form.
$this->showForm(_('Homepage is not a valid URL.'));
return;
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} elseif (mb_strlen($callback_url) > 255) {
// TRANS: Validation error shown when providing too long a callback URL in the "New application" form.
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$this->showForm(_('Callback is too long.'));
return;
} elseif (strlen($callback_url) > 0
&& !Validate::uri(
$source_url,
array('allowed_schemes' => array('http', 'https'))
)
)
{
// TRANS: Validation error shown when providing an invalid callback URL in the "New application" form.
$this->showForm(_('Callback URL is not valid.'));
return;
}
$cur = common_current_user();
// Checked in prepare() above
assert(!is_null($cur));
$app = new Oauth_application();
$app->query('BEGIN');
$app->name = $name;
$app->owner = $cur->id;
$app->description = $description;
$app->source_url = $source_url;
$app->organization = $organization;
$app->homepage = $homepage;
$app->callback_url = $callback_url;
$app->type = $type;
// Yeah, I dunno why I chose bit flags. I guess so I could
// copy this value directly to Oauth_application_user
// access_type which I think does need bit flags -- Z
if ($access_type == 'r') {
$app->setAccessFlags(true, false);
} else {
$app->setAccessFlags(true, true);
}
$app->created = common_sql_now();
// generate consumer key and secret
$consumer = Consumer::generateNew();
$result = $consumer->insert();
if (!$result) {
common_log_db_error($consumer, 'INSERT', __FILE__);
// TRANS: Server error displayed when an application could not be registered in the database through the "New application" form.
$this->serverError(_('Could not create application.'));
}
$app->consumer_key = $consumer->consumer_key;
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$this->app_id = $app->insert();
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if (!$this->app_id) {
common_log_db_error($app, 'INSERT', __FILE__);
// TRANS: Server error displayed when an application could not be registered in the database through the "New application" form.
$this->serverError(_('Could not create application.'));
$app->query('ROLLBACK');
}
try {
$app->uploadLogo();
} catch (Exception $e) {
$app->query('ROLLBACK');
$this->showForm(_('Invalid image.'));
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return;
}
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$app->query('COMMIT');
common_redirect(common_local_url('oauthappssettings'), 303);
}
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/**
* Does the app name already exist?
*
* Checks the DB to see someone has already registered an app
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* with the same name.
*
* @param string $name app name to check
*
* @return boolean true if the name already exists
*/
function nameExists($name)
{
$app = Oauth_application::staticGet('name', $name);
return !empty($app);
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}
}