172 lines
4 KiB
PHP
172 lines
4 KiB
PHP
<?php
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/**
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* @file mod/wall_attach.php
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*/
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use Friendica\App;
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use Friendica\Core\Config;
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use Friendica\Core\L10n;
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use Friendica\Database\DBM;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Mimetype;
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function wall_attach_post(App $a) {
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$r_json = (x($_GET,'response') && $_GET['response']=='json');
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if($a->argc > 1) {
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$nick = $a->argv[1];
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$r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
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dbesc($nick)
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);
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if (! DBM::is_result($r)) {
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if ($r_json) {
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echo json_encode(['error'=>L10n::t('Invalid request.')]);
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killme();
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}
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return;
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}
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} else {
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if ($r_json) {
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echo json_encode(['error'=>L10n::t('Invalid request.')]);
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killme();
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}
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return;
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}
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$can_post = false;
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$visitor = 0;
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$page_owner_uid = $r[0]['uid'];
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$page_owner_cid = $r[0]['id'];
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$page_owner_nick = $r[0]['nickname'];
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$community_page = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
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if((local_user()) && (local_user() == $page_owner_uid))
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$can_post = true;
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else {
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if($community_page && remote_user()) {
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$contact_id = 0;
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if(is_array($_SESSION['remote'])) {
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foreach($_SESSION['remote'] as $v) {
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if($v['uid'] == $page_owner_uid) {
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$contact_id = $v['cid'];
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break;
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}
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}
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}
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if($contact_id) {
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$r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
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intval($contact_id),
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intval($page_owner_uid)
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);
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if (DBM::is_result($r)) {
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$can_post = true;
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$visitor = $contact_id;
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}
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}
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}
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}
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if(! $can_post) {
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if ($r_json) {
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echo json_encode(['error'=>L10n::t('Permission denied.')]);
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killme();
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}
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notice(L10n::t('Permission denied.') . EOL );
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killme();
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}
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if(! x($_FILES,'userfile')) {
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if ($r_json) {
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echo json_encode(['error'=>L10n::t('Invalid request.')]);
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}
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killme();
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}
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$src = $_FILES['userfile']['tmp_name'];
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$filename = basename($_FILES['userfile']['name']);
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$filesize = intval($_FILES['userfile']['size']);
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$maxfilesize = Config::get('system','maxfilesize');
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/* Found html code written in text field of form,
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* when trying to upload a file with filesize
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* greater than upload_max_filesize. Cause is unknown.
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* Then Filesize gets <= 0.
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*/
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if($filesize <=0) {
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$msg = L10n::t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(L10n::t('Or - did you try to upload an empty file?'));
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if ($r_json) {
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echo json_encode(['error'=>$msg]);
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} else {
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notice( $msg. EOL );
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}
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@unlink($src);
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killme();
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}
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if(($maxfilesize) && ($filesize > $maxfilesize)) {
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$msg = L10n::t('File exceeds size limit of %s', formatBytes($maxfilesize));
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if ($r_json) {
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echo json_encode(['error'=>$msg]);
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} else {
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echo $msg. EOL ;
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}
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@unlink($src);
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killme();
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}
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$filedata = @file_get_contents($src);
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$mimetype = Mimetype::getContentType($filename);
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$hash = get_guid(64);
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$created = DateTimeFormat::utcNow();
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$fields = ['uid' => $page_owner_uid, 'hash' => $hash, 'filename' => $filename, 'filetype' => $mimetype,
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'filesize' => $filesize, 'data' => $filedata, 'created' => $created, 'edited' => $created,
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'allow_cid' => '<' . $page_owner_cid . '>', 'allow_gid' => '','deny_cid' => '', 'deny_gid' => ''];
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$r = dba::insert('attach', $fields);
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@unlink($src);
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if(! $r) {
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$msg = L10n::t('File upload failed.');
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if ($r_json) {
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echo json_encode(['error'=>$msg]);
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} else {
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echo $msg. EOL ;
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}
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killme();
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}
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$r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1",
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intval($page_owner_uid),
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dbesc($created),
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dbesc($hash)
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);
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if (! DBM::is_result($r)) {
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$msg = L10n::t('File upload failed.');
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if ($r_json) {
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echo json_encode(['error'=>$msg]);
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} else {
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echo $msg. EOL ;
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}
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killme();
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}
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if ($r_json) {
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echo json_encode(['ok'=>true]);
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killme();
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}
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$lf = "\n";
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echo $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf;
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killme();
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// NOTREACHED
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}
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