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friendica_2019-12_sharedHos.../mod/wall_upload.php
2020-02-09 16:18:46 +01:00

321 lines
8.5 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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/>.
*
* Module for uploading a picture to the profile wall
*
* 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
*
*/
use Friendica\App;
use Friendica\Core\Logger;
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;
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');
$album = (!empty($_GET['album']) ? Strings::escapeTags(trim($_GET['album'])) : '');
if ($a->argc > 1) {
if (empty($_FILES['media'])) {
$nick = $a->argv[1];
$r = q("SELECT `user`.*, `contact`.`id` FROM `user`
INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
AND `contact`.`self` = 1 LIMIT 1",
DBA::escape($nick)
);
if (!DBA::isResult($r)) {
if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
exit();
}
return;
}
} else {
$user_info = api_get_user($a);
$r = q("SELECT `user`.*, `contact`.`id` FROM `user`
INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
AND `contact`.`self` = 1 LIMIT 1",
DBA::escape($user_info['screen_name'])
);
}
} else {
if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
exit();
}
return;
}
/*
* Setup permissions structures
*/
$can_post = false;
$visitor = 0;
$page_owner_uid = $r[0]['uid'];
$default_cid = $r[0]['id'];
$page_owner_nick = $r[0]['nickname'];
$community_page = (($r[0]['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
if ((local_user()) && (local_user() == $page_owner_uid)) {
$can_post = true;
} elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
$contact_id = Session::getRemoteContactID($page_owner_uid);
$r = q("SELECT `uid` FROM `contact`
WHERE `blocked` = 0 AND `pending` = 0
AND `id` = %d AND `uid` = %d LIMIT 1",
intval($contact_id),
intval($page_owner_uid)
);
if (DBA::isResult($r)) {
$can_post = true;
$visitor = $contact_id;
}
}
if (!$can_post) {
if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Permission denied.')]);
exit();
}
notice(DI::l10n()->t('Permission denied.') . EOL);
exit();
}
if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
}
exit();
}
$src = '';
$filename = '';
$filesize = 0;
$filetype = '';
if (!empty($_FILES['userfile'])) {
$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 = $_FILES['media']['tmp_name'];
}
}
if (!empty($_FILES['media']['name'])) {
if (is_array($_FILES['media']['name'])) {
$filename = basename($_FILES['media']['name'][0]);
} else {
$filename = basename($_FILES['media']['name']);
}
}
if (!empty($_FILES['media']['size'])) {
if (is_array($_FILES['media']['size'])) {
$filesize = intval($_FILES['media']['size'][0]);
} else {
$filesize = intval($_FILES['media']['size']);
}
}
if (!empty($_FILES['media']['type'])) {
if (is_array($_FILES['media']['type'])) {
$filetype = $_FILES['media']['type'][0];
} else {
$filetype = $_FILES['media']['type'];
}
}
}
if ($src == "") {
if ($r_json) {
echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
exit();
}
notice(DI::l10n()->t('Invalid request.').EOL);
exit();
}
// This is a special treatment for picture upload from Twidere
if (($filename == "octet-stream") && ($filetype != "")) {
$filename = $filetype;
$filetype = "";
}
if ($filetype == "") {
$filetype = Images::guessType($filename);
}
// If there is a temp name, then do a manual check
// This is more reliable than the provided value
$imagedata = getimagesize($src);
if ($imagedata) {
$filetype = $imagedata['mime'];
}
Logger::log("File upload src: " . $src . " - filename: " . $filename .
" - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
$maximagesize = DI::config()->get('system', 'maximagesize');
if (($maximagesize) && ($filesize > $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();
}
$imagedata = @file_get_contents($src);
$Image = new Image($imagedata, $filetype);
if (!$Image->isValid()) {
$msg = DI::l10n()->t('Unable to process image.');
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
@unlink($src);
exit();
}
$Image->orient($src);
@unlink($src);
$max_length = DI::config()->get('system', 'max_image_length');
if (!$max_length) {
$max_length = MAX_IMAGE_LENGTH;
}
if ($max_length > 0) {
$Image->scaleDown($max_length);
Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
}
$width = $Image->getWidth();
$height = $Image->getHeight();
$resource_id = Photo::newResource();
$smallest = 0;
// If we don't have an album name use the Wall Photos album
if (!strlen($album)) {
$album = DI::l10n()->t('Wall Photos');
}
$defperm = '<' . $default_cid . '>';
$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, 0, $defperm);
if (!$r) {
$msg = DI::l10n()->t('Image upload failed.');
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg. EOL;
}
exit();
}
if ($width > 640 || $height > 640) {
$Image->scaleDown(640);
$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, 0, $defperm);
if ($r) {
$smallest = 1;
}
}
if ($width > 320 || $height > 320) {
$Image->scaleDown(320);
$r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, 0, $defperm);
if ($r && ($smallest == 0)) {
$smallest = 2;
}
}
if (!$desktopmode) {
$r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
WHERE `resource-id` = '%s'
ORDER BY `width` DESC LIMIT 1",
$resource_id
);
if (!$r) {
if ($r_json) {
echo json_encode(['error' => '']);
exit();
}
return false;
}
$picture = [];
$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]);
exit();
}
Logger::log("upload done", Logger::DEBUG);
return $picture;
}
Logger::log("upload done", Logger::DEBUG);
if ($r_json) {
echo json_encode(['ok' => true]);
exit();
}
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";
exit();
// NOTREACHED
}