friendica/mod/wall_upload.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
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* Module for uploading a picture to the profile wall
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*
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* By default the picture will be stored in the photo album with the name Wall Photos.
* You can specify a different album by adding an optional query string "album="
* to the url
*
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*/
use Friendica\App;
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use Friendica\Core\Logger;
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use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Photo;
use Friendica\Model\User;
use Friendica\Module\BaseApi;
use Friendica\Object\Image;
use Friendica\Util\Images;
use Friendica\Util\Strings;
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function wall_upload_post(App $a, $desktopmode = true)
{
Logger::info('wall upload: starting new upload');
$isJson = (!empty($_GET['response']) && $_GET['response'] == 'json');
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$album = trim($_GET['album'] ?? '');
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if (DI::args()->getArgc() > 1) {
if (empty($_FILES['media'])) {
$nick = DI::args()->getArgv()[1];
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$user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['nickname' => $nick, 'blocked' => false]);
if (!DBA::isResult($user)) {
Logger::warning('wall upload: user instance is not valid', ['user' => $user, 'nickname' => $nick]);
if ($isJson) {
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System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
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}
return;
}
} else {
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$user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['uid' => BaseApi::getCurrentUserID(), 'blocked' => false]);
}
} else {
Logger:warning('Argument count is zero or one (invalid)');
if ($isJson) {
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System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
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}
return;
}
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/*
* Setup permissions structures
*/
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$can_post = false;
$visitor = 0;
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$page_owner_uid = $user['uid'];
$default_cid = $user['id'];
$page_owner_nick = $user['nickname'];
$community_page = ($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY);
if ((DI::userSession()->getLocalUserId()) && (DI::userSession()->getLocalUserId() == $page_owner_uid)) {
$can_post = true;
} elseif ($community_page && !empty(DI::userSession()->getRemoteContactID($page_owner_uid))) {
$contact_id = DI::userSession()->getRemoteContactID($page_owner_uid);
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$can_post = DBA::exists('contact', ['blocked' => false, 'pending' => false, 'id' => $contact_id, 'uid' => $page_owner_uid]);
$visitor = $contact_id;
}
if (!$can_post) {
Logger::warning('No permission to upload files', ['contact_id' => $contact_id, 'page_owner_uid' => $page_owner_uid]);
$msg = DI::l10n()->t('Permission denied.');
if ($isJson) {
System::jsonExit(['error' => $msg]);
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}
DI::sysmsg()->addNotice($msg);
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System::exit();
}
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if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
Logger::warning('Empty "userfile" and "media" field');
if ($isJson) {
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System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
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}
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System::exit();
}
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$src = '';
$filename = '';
$filesize = 0;
$filetype = '';
if (!empty($_FILES['userfile'])) {
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$src = $_FILES['userfile']['tmp_name'];
$filename = basename($_FILES['userfile']['name']);
$filesize = intval($_FILES['userfile']['size']);
$filetype = $_FILES['userfile']['type'];
} elseif (!empty($_FILES['media'])) {
if (!empty($_FILES['media']['tmp_name'])) {
if (is_array($_FILES['media']['tmp_name'])) {
$src = $_FILES['media']['tmp_name'][0];
} else {
$src = $_FILES['media']['tmp_name'];
}
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}
if (!empty($_FILES['media']['name'])) {
if (is_array($_FILES['media']['name'])) {
$filename = basename($_FILES['media']['name'][0]);
} else {
$filename = basename($_FILES['media']['name']);
}
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}
if (!empty($_FILES['media']['size'])) {
if (is_array($_FILES['media']['size'])) {
$filesize = intval($_FILES['media']['size'][0]);
} else {
$filesize = intval($_FILES['media']['size']);
}
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}
if (!empty($_FILES['media']['type'])) {
if (is_array($_FILES['media']['type'])) {
$filetype = $_FILES['media']['type'][0];
} else {
$filetype = $_FILES['media']['type'];
}
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}
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}
if ($src == '') {
Logger::warning('File source (temporary file) cannot be determined');
$msg = DI::l10n()->t('Invalid request.');
if ($isJson) {
System::jsonExit(['error' => $msg]);
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}
DI::sysmsg()->addNotice($msg);
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System::exit();
}
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$filetype = Images::getMimeTypeBySource($src, $filename, $filetype);
Logger::info('File upload:', [
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'src' => $src,
'filename' => $filename,
'filesize' => $filesize,
'filetype' => $filetype,
]);
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$imagedata = @file_get_contents($src);
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$image = new Image($imagedata, $filetype);
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if (!$image->isValid()) {
$msg = DI::l10n()->t('Unable to process image.');
Logger::warning($msg, ['imagedata[]' => gettype($imagedata), 'filetype' => $filetype]);
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@unlink($src);
if ($isJson) {
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System::jsonExit(['error' => $msg]);
} else {
echo $msg . '<br />';
}
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System::exit();
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}
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$image->orient($src);
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@unlink($src);
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$max_length = DI::config()->get('system', 'max_image_length');
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if ($max_length > 0) {
$image->scaleDown($max_length);
$filesize = strlen($image->asString());
Logger::info('File upload: Scaling picture to new size', ['max_length' => $max_length]);
}
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$width = $image->getWidth();
$height = $image->getHeight();
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$maximagesize = DI::config()->get('system', 'maximagesize');
if (!empty($maximagesize) && ($filesize > $maximagesize)) {
// Scale down to multiples of 640 until the maximum size isn't exceeded anymore
foreach ([5120, 2560, 1280, 640] as $pixels) {
if (($filesize > $maximagesize) && (max($width, $height) > $pixels)) {
Logger::info('Resize', ['size' => $filesize, 'width' => $width, 'height' => $height, 'max' => $maximagesize, 'pixels' => $pixels]);
$image->scaleDown($pixels);
$filesize = strlen($image->asString());
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$width = $image->getWidth();
$height = $image->getHeight();
}
}
if ($filesize > $maximagesize) {
Logger::notice('Image size is too big', ['size' => $filesize, 'max' => $maximagesize]);
$msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
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@unlink($src);
if ($isJson) {
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System::jsonExit(['error' => $msg]);
} else {
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echo $msg . '<br />';
}
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System::exit();
}
}
$resource_id = Photo::newResource();
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$smallest = 0;
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// If we don't have an album name use the Wall Photos album
if (!strlen($album)) {
$album = DI::l10n()->t('Wall Photos');
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}
$defperm = '<' . $default_cid . '>';
$r = Photo::store($image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, Photo::DEFAULT, $defperm);
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if (!$r) {
$msg = DI::l10n()->t('Image upload failed.');
Logger::warning('Photo::store() failed', ['r' => $r]);
if ($isJson) {
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System::jsonExit(['error' => $msg]);
} else {
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echo $msg . '<br />';
}
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System::exit();
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}
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if ($width > 640 || $height > 640) {
$image->scaleDown(640);
$r = Photo::store($image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, Photo::DEFAULT, $defperm);
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if ($r) {
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$smallest = 1;
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}
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}
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if ($width > 320 || $height > 320) {
$image->scaleDown(320);
$r = Photo::store($image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, Photo::DEFAULT, $defperm);
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if ($r && ($smallest == 0)) {
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$smallest = 2;
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}
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}
if (!$desktopmode) {
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$photo = Photo::selectFirst(['id', 'datasize', 'width', 'height', 'type'], ['resource-id' => $resource_id], ['order' => ['width']]);
if (!$photo) {
Logger::warning('Cannot find photo in database', ['resource-id' => $resource_id]);
if ($isJson) {
System::jsonExit(['error' => 'Cannot find photo']);
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}
return false;
}
$picture = [
'id' => $photo['id'],
'size' => $photo['datasize'],
'width' => $photo['width'],
'height' => $photo['height'],
'type' => $photo['type'],
'albumpage' => DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id,
'picture' => DI::baseUrl() . "/photo/{$resource_id}-0." . $image->getExt(),
'preview' => DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $image->getExt(),
];
if ($isJson) {
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System::jsonExit(['picture' => $picture]);
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}
Logger::info('upload done');
return $picture;
}
Logger::info('upload done');
if ($isJson) {
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System::jsonExit(['ok' => true]);
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}
echo "\n\n" . '[url=' . DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id . '][img]' . DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $image->getExt() . "[/img][/url]\n\n";
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System::exit();
// NOTREACHED
}