friendica/mod/wall_upload.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2021, 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\Session;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Photo;
use Friendica\Model\User;
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::log("wall upload: starting new upload", Logger::DEBUG);
$r_json = (!empty($_GET['response']) && $_GET['response'] == 'json');
$album = trim($_GET['album'] ?? '');
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if ($a->argc > 1) {
if (empty($_FILES['media'])) {
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$nick = $a->argv[1];
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$user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['nickname' => $nick, 'blocked' => false]);
if (!DBA::isResult($user)) {
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if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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exit();
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}
return;
}
} else {
$user_info = api_get_user($a);
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$user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['nickname' => $user_info['screen_name'], 'blocked' => false]);
}
} else {
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if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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exit();
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}
return;
}
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/*
* Setup permissions structures
*/
$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) ? true : false);
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if ((local_user()) && (local_user() == $page_owner_uid)) {
$can_post = true;
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} elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
$contact_id = Session::getRemoteContactID($page_owner_uid);
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$r = q("SELECT `uid` FROM `contact`
WHERE `blocked` = 0 AND `pending` = 0
AND `id` = %d AND `uid` = %d LIMIT 1",
intval($contact_id),
intval($page_owner_uid)
);
if (DBA::isResult($r)) {
$can_post = true;
$visitor = $contact_id;
}
}
if (!$can_post) {
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if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Permission denied.')]);
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exit();
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}
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notice(DI::l10n()->t('Permission denied.'));
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exit();
}
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if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
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if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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}
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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 = $_FILES['userfile']['type'];
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} elseif (!empty($_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 == "") {
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if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
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exit();
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}
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notice(DI::l10n()->t('Invalid request.'));
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exit();
}
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$filetype = Images::getMimeTypeBySource($src, $filename, $filetype);
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Logger::log("File upload src: " . $src . " - filename: " . $filename .
" - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
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$imagedata = @file_get_contents($src);
$Image = new Image($imagedata, $filetype);
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if (!$Image->isValid()) {
$msg = DI::l10n()->t('Unable to process image.');
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
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@unlink($src);
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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');
if (!$max_length) {
$max_length = MAX_IMAGE_LENGTH;
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}
if ($max_length > 0) {
$Image->scaleDown($max_length);
$filesize = strlen($Image->asString());
Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
}
$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());
$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));
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
@unlink($src);
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, 0, $defperm);
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if (!$r) {
$msg = DI::l10n()->t('Image upload failed.');
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
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exit();
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}
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if ($width > 640 || $height > 640) {
$Image->scaleDown(640);
$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, 0, $defperm);
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if ($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, 0, $defperm);
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if ($r && ($smallest == 0)) {
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$smallest = 2;
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}
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}
if (!$desktopmode) {
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$r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
WHERE `resource-id` = '%s'
ORDER BY `width` DESC LIMIT 1",
$resource_id
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);
if (!$r) {
if ($r_json) {
echo json_encode(['error' => '']);
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exit();
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}
return false;
}
$picture = [];
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$picture["id"] = $r[0]["id"];
$picture["size"] = $r[0]["datasize"];
$picture["width"] = $r[0]["width"];
$picture["height"] = $r[0]["height"];
$picture["type"] = $r[0]["type"];
$picture["albumpage"] = DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
$picture["picture"] = DI::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
$picture["preview"] = DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
if ($r_json) {
echo json_encode(['picture' => $picture]);
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exit();
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}
Logger::log("upload done", Logger::DEBUG);
return $picture;
}
Logger::log("upload done", Logger::DEBUG);
if ($r_json) {
echo json_encode(['ok' => true]);
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exit();
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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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exit();
// NOTREACHED
}