diff options
Diffstat (limited to 'actions')
| -rw-r--r-- | actions/grouplogo.php | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/actions/grouplogo.php b/actions/grouplogo.php new file mode 100644 index 000000000..393070d5d --- /dev/null +++ b/actions/grouplogo.php @@ -0,0 +1,511 @@ +<?php +/** + * Laconica, the distributed open-source microblogging tool + * + * Upload an avatar + * + * 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 Settings + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @author Zach Copley <zach@controlyourself.ca> + * @copyright 2008-2009 Control Yourself, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ + */ + +if (!defined('LACONICA')) { + exit(1); +} + +require_once INSTALLDIR.'/lib/accountsettingsaction.php'; + +/** + * Upload an avatar + * + * We use jCrop plugin for jQuery to crop the image after upload. + * + * @category Settings + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @author Zach Copley <zach@controlyourself.ca> + * @author Sarven Capadisli <csarven@controlyourself.ca> + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ + */ + +class GrouplogoAction extends Action +{ + var $mode = null; + var $imagefile = null; + var $filename = null; + + /** + * Prepare to run + */ + + function prepare($args) + { + parent::prepare($args); + + if (!common_config('inboxes','enabled')) { + $this->serverError(_('Inboxes must be enabled for groups to work')); + return false; + } + + if (!common_logged_in()) { + $this->clientError(_('You must be logged in to create a group.')); + return false; + } + + $nickname_arg = $this->trimmed('nickname'); + $nickname = common_canonical_nickname($nickname_arg); + + // Permanent redirect on non-canonical nickname + + if ($nickname_arg != $nickname) { + $args = array('nickname' => $nickname); + common_redirect(common_local_url('editgroup', $args), 301); + return false; + } + + if (!$nickname) { + $this->clientError(_('No nickname'), 404); + return false; + } + + $groupid = $this->trimmed('groupid'); + + if ($groupid) { + $this->group = User_group::staticGet('id', $groupid); + } else { + $this->group = User_group::staticGet('nickname', $nickname); + } + + if (!$this->group) { + $this->clientError(_('No such group'), 404); + return false; + } + + $cur = common_current_user(); + + if (!$cur->isAdmin($this->group)) { + $this->clientError(_('You must be an admin to edit the group'), 403); + return false; + } + + return true; + } + + function handle($args) + { + parent::handle($args); + if ($_SERVER['REQUEST_METHOD'] == 'POST') { + $this->handlePost(); + } else { + $this->showForm(); + } + } + + function showForm($msg = null) + { + $this->msg = $msg; + $this->showPage(); + } + + /** + * Title of the page + * + * @return string Title of the page + */ + + function title() + { + return _('Group logo'); + } + + /** + * Instructions for use + * + * @return instructions for use + */ + + function getInstructions() + { + return _('You can upload a logo image for your group.'); + } + + /** + * Content area of the page + * + * Shows a form for uploading an avatar. + * + * @return void + */ + + function showContent() + { + if ($this->mode == 'crop') { + $this->showCropForm(); + } else { + $this->showUploadForm(); + } + } + + function showUploadForm() + { + $user = common_current_user(); + + $profile = $user->getProfile(); + + if (!$profile) { + common_log_db_error($user, 'SELECT', __FILE__); + $this->serverError(_('User without matching profile')); + return; + } + + $original = $this->group->original_logo; + + $this->elementStart('form', array('enctype' => 'multipart/form-data', + 'method' => 'post', + 'id' => 'form_settings_logo', + 'class' => 'form_settings', + 'action' => + common_local_url('grouplogo', + array('nickname' => $this->group->nickname)))); + $this->elementStart('fieldset'); + $this->element('legend', null, _('Group logo')); + $this->hidden('token', common_session_token()); + + $this->elementStart('ul', 'form_data'); + if ($original) { + $this->elementStart('li', array('id' => 'avatar_original', + 'class' => 'avatar_view')); + $this->element('h2', null, _("Original")); + $this->elementStart('div', array('id'=>'avatar_original_view')); + $this->element('img', array('src' => $this->group->original_logo, + 'alt' => $this->group->nickname)); + $this->elementEnd('div'); + $this->elementEnd('li'); + } + + if ($this->group->homepage_logo) { + $this->elementStart('li', array('id' => 'avatar_preview', + 'class' => 'avatar_view')); + $this->element('h2', null, _("Preview")); + $this->elementStart('div', array('id'=>'avatar_preview_view')); + $this->element('img', array('src' => $this->group->homepage_logo, + 'width' => AVATAR_PROFILE_SIZE, + 'height' => AVATAR_PROFILE_SIZE, + 'alt' => $this->group->nickname)); + $this->elementEnd('div'); + $this->elementEnd('li'); + } + + $this->elementStart('li', array ('id' => 'settings_attach')); + $this->element('input', array('name' => 'avatarfile', + 'type' => 'file', + 'id' => 'avatarfile')); + $this->element('input', array('name' => 'MAX_FILE_SIZE', + 'type' => 'hidden', + 'id' => 'MAX_FILE_SIZE', + 'value' => MAX_AVATAR_SIZE)); + $this->elementEnd('li'); + $this->elementEnd('ul'); + + $this->elementStart('ul', 'form_actions'); + $this->elementStart('li'); + $this->submit('upload', _('Upload')); + $this->elementEnd('li'); + $this->elementEnd('ul'); + + $this->elementEnd('fieldset'); + $this->elementEnd('form'); + + } + + function showCropForm() + { + $this->elementStart('form', array('method' => 'post', + 'id' => 'form_settings_avatar', + 'class' => 'form_settings', + 'action' => + common_local_url('grouplogo', + array('nickname' => $this->group->nickname)))); + $this->elementStart('fieldset'); + $this->element('legend', null, _('Avatar settings')); + $this->hidden('token', common_session_token()); + + $this->elementStart('ul', 'form_data'); + + $this->elementStart('li', + array('id' => 'avatar_original', + 'class' => 'avatar_view')); + $this->element('h2', null, _("Original")); + $this->elementStart('div', array('id'=>'avatar_original_view')); + $this->element('img', array('src' => common_avatar_url($this->filedata['filename']), + 'width' => $this->filedata['width'], + 'height' => $this->filedata['height'], + 'alt' => $this->group->nickname)); + $this->elementEnd('div'); + $this->elementEnd('li'); + + $this->elementStart('li', + array('id' => 'avatar_preview', + 'class' => 'avatar_view')); + $this->element('h2', null, _("Preview")); + $this->elementStart('div', array('id'=>'avatar_preview_view')); + $this->element('img', array('src' => common_avatar_url($this->filedata['filename']), + 'width' => AVATAR_PROFILE_SIZE, + 'height' => AVATAR_PROFILE_SIZE, + 'alt' => $this->group->nickname)); + $this->elementEnd('div'); + + foreach (array('avatar_crop_x', 'avatar_crop_y', + 'avatar_crop_w', 'avatar_crop_h') as $crop_info) { + $this->element('input', array('name' => $crop_info, + 'type' => 'hidden', + 'id' => $crop_info)); + } + $this->submit('crop', _('Crop')); + + $this->elementEnd('li'); + $this->elementEnd('ul'); + $this->elementEnd('fieldset'); + $this->elementEnd('form'); + + } + + /** + * Handle a post + * + * We mux on the button name to figure out what the user actually wanted. + * + * @return void + */ + + function handlePost() + { + // CSRF protection + + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $this->show_form(_('There was a problem with your session token. '. + 'Try again, please.')); + return; + } + + if ($this->arg('upload')) { + $this->uploadAvatar(); + } else if ($this->arg('crop')) { + $this->cropAvatar(); + } else { + $this->showForm(_('Unexpected form submission.')); + } + } + + /** + * Handle an image upload + * + * Does all the magic for handling an image upload, and crops the + * image by default. + * + * @return void + */ + + function uploadAvatar() + { + try { + $imagefile = ImageFile::fromUpload('avatarfile'); + } catch (Exception $e) { + $this->showForm($e->getMessage()); + return; + } + + $filename = common_avatar_filename($this->group->id, + image_type_to_extension($imagefile->type), + null, + 'group-temp-'.common_timestamp()); + + $filepath = common_avatar_path($filename); + + move_uploaded_file($imagefile->filename, $filepath); + + $filedata = array('filename' => $filename, + 'filepath' => $filepath, + 'width' => $imagefile->width, + 'height' => $imagefile->height, + 'type' => $imagefile->type); + + $_SESSION['FILEDATA'] = $filedata; + + $this->filedata = $filedata; + + $this->mode = 'crop'; + + $this->showForm(_('Pick a square area of the image to be your avatar'), + true); + } + + /** + * Handle the results of jcrop. + * + * @return void + */ + + function cropAvatar() + { + $user = common_current_user(); + + $profile = $user->getProfile(); + + $x = $this->arg('avatar_crop_x'); + $y = $this->arg('avatar_crop_y'); + $w = $this->arg('avatar_crop_w'); + $h = $this->arg('avatar_crop_h'); + + $filedata = $_SESSION['FILEDATA']; + + if (!$filedata) { + $this->serverError(_('Lost our file data.')); + return; + } + + $filepath = common_avatar_path($filedata['filename']); + + if (!file_exists($filepath)) { + $this->serverError(_('Lost our file.')); + return; + } + + switch ($filedata['type']) { + case IMAGETYPE_GIF: + $image_src = imagecreatefromgif($filepath); + break; + case IMAGETYPE_JPEG: + $image_src = imagecreatefromjpeg($filepath); + break; + case IMAGETYPE_PNG: + $image_src = imagecreatefrompng($filepath); + break; + default: + $this->serverError(_('Unknown file type')); + return; + } + + common_debug("W = $w, H = $h, X = $x, Y = $y"); + + $image_dest = imagecreatetruecolor($w, $h); + + $background = imagecolorallocate($image_dest, 0, 0, 0); + ImageColorTransparent($image_dest, $background); + imagealphablending($image_dest, false); + + imagecopyresized($image_dest, $image_src, 0, 0, $x, $y, $w, $h, $w, $h); + + $cur = common_current_user(); + + $filename = common_avatar_filename($this->group->id, + image_type_to_extension($imagefile->type), + null, + 'group-'.common_timestamp()); + + $filepath = common_avatar_path($filename); + + switch ($filedata['type']) { + case IMAGETYPE_GIF: + imagegif($image_dest, $filepath); + break; + case IMAGETYPE_JPEG: + imagejpeg($image_dest, $filepath); + break; + case IMAGETYPE_PNG: + imagepng($image_dest, $filepath); + break; + default: + $this->serverError(_('Unknown file type')); + return; + } + + if ($this->group->setOriginal($filename, $filedata['type'])) { + @unlink(common_avatar_path($filedata['filename'])); + unset($_SESSION['FILEDATA']); + $this->mode = 'upload'; + $this->showForm(_('Logo updated.'), true); + } else { + $this->showForm(_('Failed updating logo.')); + } + } + + function showPageNotice() + { + if ($this->msg) { + $this->element('div', ($this->success) ? 'success' : 'error', + $this->msg); + } else { + $inst = $this->getInstructions(); + $output = common_markup_to_html($inst); + + $this->elementStart('div', 'instructions'); + $this->raw($output); + $this->elementEnd('div'); + } + } + + /** + * Add the jCrop stylesheet + * + * @return void + */ + + function showStylesheets() + { + parent::showStylesheets(); + $jcropStyle = + common_path('theme/base/css/jquery.Jcrop.css?version='.LACONICA_VERSION); + + $this->element('link', array('rel' => 'stylesheet', + 'type' => 'text/css', + 'href' => $jcropStyle, + 'media' => 'screen, projection, tv')); + } + + /** + * Add the jCrop scripts + * + * @return void + */ + + function showScripts() + { + parent::showScripts(); + + $jcropPack = common_path('js/jcrop/jquery.Jcrop.pack.js'); + $jcropGo = common_path('js/jcrop/jquery.Jcrop.go.js'); + + $this->element('script', array('type' => 'text/javascript', + 'src' => $jcropPack)); + $this->element('script', array('type' => 'text/javascript', + 'src' => $jcropGo)); + } + + function showLocalNav() + { + $nav = new GroupNav($this, $this->group); + $nav->show(); + } +} |