gnu-social/actions/newnotice.php

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<?php
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/**
* StatusNet, the distributed open-source microblogging tool
*
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* Handler for posting new notices
*
* 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
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* 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Personal
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008-2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
}
require_once INSTALLDIR.'/lib/noticelist.php';
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/**
* Action for posting new notices
*
* @category Personal
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Zach Copley <zach@status.net>
* @author Sarven Capadisli <csarven@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
class NewnoticeAction extends Action
{
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/**
* Error message, if any
*/
var $msg = null;
/**
* Title of the page
*
* Note that this usually doesn't get called unless something went wrong
*
* @return string page title
*/
function title()
{
return _('New notice');
}
/**
* Handle input, produce output
*
* Switches based on GET or POST method. On GET, shows a form
* for posting a notice. On POST, saves the results of that form.
*
* Results may be a full page, or just a single notice list item,
* depending on whether AJAX was requested.
*
* @param array $args $_REQUEST contents
*
* @return void
*/
function handle($args)
{
if (!common_logged_in()) {
$this->clientError(_('Not logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
// check for this before token since all POST and FILES data
// is losts when size is exceeded
if (empty($_POST) && $_SERVER['CONTENT_LENGTH']) {
$this->clientError(sprintf(_('The server was unable to handle ' .
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'that much POST data (%s bytes) due to its current configuration.'),
$_SERVER['CONTENT_LENGTH']));
}
parent::handle($args);
// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
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$this->clientError(_('There was a problem with your session token. '.
'Try again, please.'));
}
try {
$this->saveNewNotice();
} catch (Exception $e) {
$this->showForm($e->getMessage());
return;
}
} else {
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$this->showForm();
}
}
function getUploadedFileType() {
require_once 'MIME/Type.php';
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$cmd = &PEAR::getStaticProperty('MIME_Type', 'fileCmd');
$cmd = common_config('attachments', 'filecommand');
$filetype = MIME_Type::autoDetect($_FILES['attach']['tmp_name']);
if (in_array($filetype, common_config('attachments', 'supported'))) {
return $filetype;
}
$media = MIME_Type::getMedia($filetype);
if ('application' !== $media) {
$hint = sprintf(_(' Try using another %s format.'), $media);
} else {
$hint = '';
}
$this->clientError(sprintf(
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_('%s is not a supported filetype on this server.'), $filetype) . $hint);
}
function isRespectsQuota($user) {
$file = new File;
$ret = $file->isRespectsQuota($user,$_FILES['attach']['size']);
if (true === $ret) return true;
$this->clientError($ret);
}
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/**
* Save a new notice, based on arguments
*
* If successful, will show the notice, or return an Ajax-y result.
* If not, it will show an error message -- possibly Ajax-y.
*
* Also, if the notice input looks like a command, it will run the
* command and show the results -- again, possibly ajaxy.
*
* @return void
*/
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function saveNewNotice()
{
$user = common_current_user();
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assert($user); // XXX: maybe an error instead...
$content = $this->trimmed('status_textarea');
if (!$content) {
$this->clientError(_('No content!'));
} else {
$content_shortened = common_shorten_links($content);
if (Notice::contentTooLong($content_shortened)) {
$this->clientError(sprintf(_('That\'s too long. '.
'Max notice size is %d chars.'),
Notice::maxContent()));
}
}
$inter = new CommandInterpreter();
$cmd = $inter->handle_command($user, $content_shortened);
if ($cmd) {
if ($this->boolean('ajax')) {
$cmd->execute(new AjaxWebChannel($this));
} else {
$cmd->execute(new WebChannel($this));
}
return;
}
$replyto = $this->trimmed('inreplyto');
#If an ID of 0 is wrongly passed here, it will cause a database error,
#so override it...
if ($replyto == 0) {
$replyto = 'false';
}
if (isset($_FILES['attach']['error'])) {
switch ($_FILES['attach']['error']) {
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case UPLOAD_ERR_NO_FILE:
// no file uploaded, nothing to do
break;
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case UPLOAD_ERR_OK:
$mimetype = $this->getUploadedFileType();
if (!$this->isRespectsQuota($user)) {
die('clientError() should trigger an exception before reaching here.');
}
break;
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case UPLOAD_ERR_INI_SIZE:
$this->clientError(_('The uploaded file exceeds the upload_max_filesize directive in php.ini.'));
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case UPLOAD_ERR_FORM_SIZE:
$this->clientError(_('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.'));
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case UPLOAD_ERR_PARTIAL:
$this->clientError(_('The uploaded file was only partially uploaded.'));
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case UPLOAD_ERR_NO_TMP_DIR:
$this->clientError(_('Missing a temporary folder.'));
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case UPLOAD_ERR_CANT_WRITE:
$this->clientError(_('Failed to write file to disk.'));
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case UPLOAD_ERR_EXTENSION:
$this->clientError(_('File upload stopped by extension.'));
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default:
die('Should never reach here.');
}
}
if (isset($mimetype)) {
$filename = $this->saveFile($mimetype);
if (empty($filename)) {
$this->clientError(_('Couldn\'t save file.'));
}
$fileRecord = $this->storeFile($filename, $mimetype);
$fileurl = common_local_url('attachment',
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array('attachment' => $fileRecord->id));
// not sure this is necessary -- Zach
$this->maybeAddRedir($fileRecord->id, $fileurl);
$short_fileurl = common_shorten_url($fileurl);
if (!$short_fileurl) {
// todo -- Consider forcing default shortener if none selected?
$short_fileurl = $fileurl;
}
$content_shortened .= ' ' . $short_fileurl;
if (Notice::contentTooLong($content_shortened)) {
$this->deleteFile($filename);
$this->clientError(sprintf(_('Max notice size is %d chars, including attachment URL.'),
Notice::maxContent()));
}
// Also, not sure this is necessary -- Zach
$this->maybeAddRedir($fileRecord->id, $short_fileurl);
}
$notice = Notice::saveNew($user->id, $content_shortened, 'web', 1,
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($replyto == 'false') ? null : $replyto);
if (isset($mimetype)) {
$this->attachFile($notice, $fileRecord);
}
common_broadcast_notice($notice);
if ($this->boolean('ajax')) {
$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
$this->element('title', null, _('Notice posted'));
$this->elementEnd('head');
$this->elementStart('body');
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$this->showNotice($notice);
$this->elementEnd('body');
$this->elementEnd('html');
} else {
$returnto = $this->trimmed('returnto');
if ($returnto) {
$url = common_local_url($returnto,
array('nickname' => $user->nickname));
} else {
$url = common_local_url('shownotice',
array('notice' => $notice->id));
}
common_redirect($url, 303);
}
}
function saveFile($mimetype) {
$cur = common_current_user();
if (empty($cur)) {
$this->serverError(_('Somehow lost the login in saveFile'));
}
$basename = basename($_FILES['attach']['name']);
$filename = File::filename($cur->getProfile(), $basename, $mimetype);
$filepath = File::path($filename);
if (move_uploaded_file($_FILES['attach']['tmp_name'], $filepath)) {
return $filename;
} else {
$this->clientError(_('File could not be moved to destination directory.'));
}
}
function deleteFile($filename)
{
$filepath = File::path($filename);
@unlink($filepath);
}
function storeFile($filename, $mimetype) {
$file = new File;
$file->filename = $filename;
$file->url = File::url($filename);
$filepath = File::path($filename);
$file->size = filesize($filepath);
$file->date = time();
$file->mimetype = $mimetype;
$file_id = $file->insert();
if (!$file_id) {
common_log_db_error($file, "INSERT", __FILE__);
$this->clientError(_('There was a database error while saving your file. Please try again.'));
}
return $file;
}
function rememberFile($file, $short)
{
$this->maybeAddRedir($file->id, $short);
}
function maybeAddRedir($file_id, $url)
{
$file_redir = File_redirection::staticGet('url', $url);
if (empty($file_redir)) {
$file_redir = new File_redirection;
$file_redir->url = $url;
$file_redir->file_id = $file_id;
$result = $file_redir->insert();
if (!$result) {
common_log_db_error($file_redir, "INSERT", __FILE__);
$this->clientError(_('There was a database error while saving your file. Please try again.'));
}
}
}
function attachFile($notice, $filerec)
{
File_to_post::processNew($filerec->id, $notice->id);
$this->maybeAddRedir($filerec->id,
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common_local_url('file', array('notice' => $notice->id)));
}
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/**
* Show an Ajax-y error message
*
* Goes back to the browser, where it's shown in a popup.
*
* @param string $msg Message to show
*
* @return void
*/
function ajaxErrorMsg($msg)
{
$this->startHTML('text/xml;charset=utf-8', true);
$this->elementStart('head');
$this->element('title', null, _('Ajax Error'));
$this->elementEnd('head');
$this->elementStart('body');
$this->element('p', array('id' => 'error'), $msg);
$this->elementEnd('body');
$this->elementEnd('html');
}
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/**
* Formerly page output
*
* This used to be the whole page output; now that's been largely
* subsumed by showPage. So this just stores an error message, if
* it was passed, and calls showPage.
*
* Note that since we started doing Ajax output, this page is rarely
* seen.
*
* @param string $msg An error message, if any
*
* @return void
*/
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function showForm($msg=null)
{
if ($msg && $this->boolean('ajax')) {
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$this->ajaxErrorMsg($msg);
return;
}
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$this->msg = $msg;
$this->showPage();
}
/**
* Overload for replies or bad results
*
* We show content in the notice form if there were replies or results.
*
* @return void
*/
function showNoticeForm()
{
$content = $this->trimmed('status_textarea');
if (!$content) {
$replyto = $this->trimmed('replyto');
$inreplyto = $this->trimmed('inreplyto');
$profile = Profile::staticGet('nickname', $replyto);
if ($profile) {
$content = '@' . $profile->nickname . ' ';
}
}
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$notice_form = new NoticeForm($this, '', $content, null, $inreplyto);
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$notice_form->show();
}
/**
* Show an error message
*
* Shows an error message if there is one.
*
* @return void
*
* @todo maybe show some instructions?
*/
function showPageNotice()
{
if ($this->msg) {
$this->element('p', array('id' => 'error'), $this->msg);
}
}
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/**
* Output a notice
*
* Used to generate the notice code for Ajax results.
*
* @param Notice $notice Notice that was saved
*
* @return void
*/
function showNotice($notice)
{
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$nli = new NoticeListItem($notice, $this);
$nli->show();
}
}