From 60cbb65d84cdc2854bdcf1613cf67180878c44dd Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Tue, 22 Dec 2020 09:01:52 +0000
Subject: files_ng: omit parent folders of a download

---
 Zotlabs/Module/Attach.php | 45 +++++++++++++++++++++++++++------------------
 view/js/mod_cloud.js      |  2 ++
 2 files changed, 29 insertions(+), 18 deletions(-)

diff --git a/Zotlabs/Module/Attach.php b/Zotlabs/Module/Attach.php
index 86183056c..e012b1449 100644
--- a/Zotlabs/Module/Attach.php
+++ b/Zotlabs/Module/Attach.php
@@ -12,18 +12,21 @@ class Attach extends Controller {
 	function post() {
 
 		$attach_ids = ((x($_REQUEST, 'attach_ids')) ? $_REQUEST['attach_ids'] : []);
+		$attach_path = ((x($_REQUEST, 'attach_path')) ? $_REQUEST['attach_path'] : '');
 
-		if ($attach_ids) {
+		$channel_id = ((x($_REQUEST, 'channel_id')) ? intval($_REQUEST['channel_id']) : 0);
+		$channel = channelx_by_n($channel_id);
 
-			$ret = ['success' => false];
+		if (! $channel) {
+			notice(t('Channel not found.') . EOL);
+			return;
+		}
 
-			$channel_id = ((x($_REQUEST, 'channel_id')) ? intval($_REQUEST['channel_id']) : 0);
-			$channel = channelx_by_n($channel_id);
+		$strip_str = '/cloud/' . $channel['channel_address'] . '/';
+		$count   = strlen($strip_str);
+		$attach_path = substr($attach_path, $count);
 
-			if (! $channel) {
-				notice(t('Channel not found.') . EOL);
-				return;
-			}
+		if ($attach_ids) {
 
 			$zip_dir = 'store/[data]/' . $channel['channel_address'] . '/tmp';
 			if (! is_dir($zip_dir))
@@ -38,7 +41,7 @@ class Attach extends Controller {
 
 			if ($zip->open($zip_path, ZipArchive::CREATE) === true) {
 
-				$filename = self::zip_archive_handler($zip, $attach_ids);
+				$filename = self::zip_archive_handler($zip, $attach_ids, $attach_path);
 
 				$zip->close();
 
@@ -82,7 +85,6 @@ class Attach extends Controller {
 		if(! $c)
 			return;
 
-
 		$unsafe_types = array('text/html','text/css','application/javascript');
 
 		if(in_array($r['data']['filetype'],$unsafe_types) && (! channel_codeallowed($r['data']['uid']))) {
@@ -112,11 +114,11 @@ class Attach extends Controller {
 
 	}
 
-	function zip_archive_handler($zip, $attach_ids, $pass = 1) {
+	public function zip_archive_handler($zip, $attach_ids, $attach_path, $pass = 1) {
 
 		$observer_hash = get_observer_hash();
 		$single = ((count($attach_ids) == 1) ? true : false);
-		$filename = 'download.zip';
+		$download_name = 'download.zip';
 
 		foreach($attach_ids as $attach_id) {
 
@@ -127,27 +129,34 @@ class Attach extends Controller {
 			}
 
 			if ($r['data']['is_dir'] && $single && $pass === 1)
-				$filename = $r['data']['filename'] . '.zip';
+				$download_name = $r['data']['filename'] . '.zip';
+
+			$zip_path = $r['data']['display_path'];
+
+			if ($attach_path) {
+				$strip_str = $attach_path . '/';
+				$count   = strlen($strip_str);
+				$zip_path = substr($r['data']['display_path'], $count);
+			}
 
 			if ($r['data']['is_dir']) {
-				$zip->addEmptyDir($r['data']['display_path']);
+				$zip->addEmptyDir($zip_path);
 
 				$d = q("SELECT id FROM attach WHERE folder = '%s'",
 					dbesc($r['data']['hash'])
 				);
 
 				$attach_ids = ids_to_array($d);
-				self::zip_archive_handler($zip, $attach_ids, $observer_hash, $pass++);
+				self::zip_archive_handler($zip, $attach_ids, $attach_path, $pass++);
 			}
 			else {
 				$file_path = $r['data']['content'];
-				$file_name = $r['data']['display_path'];
-				$zip->addFile($file_path, $file_name);
+				$zip->addFile($file_path, $zip_path);
 			}
 
 		}
 
-		return $filename;
+		return $download_name;
 	}
 
 }
diff --git a/view/js/mod_cloud.js b/view/js/mod_cloud.js
index 736dec471..516284d9b 100644
--- a/view/js/mod_cloud.js
+++ b/view/js/mod_cloud.js
@@ -69,6 +69,7 @@ $(document).ready(function () {
 
 		// some trickery to trigger download action via ajax
 		let form = $('<form></form>').attr('action', 'attach').attr('method', 'post');
+		form.append($("<input></input>").attr('type', 'hidden').attr('name', 'attach_path').attr('value', window.location.pathname));
 		form.append($("<input></input>").attr('type', 'hidden').attr('name', 'channel_id').attr('value', channelId));
 		form.append($("<input></input>").attr('type', 'hidden').attr('name', 'attach_ids[]').attr('value', id));
 		form.appendTo('body').submit().remove();
@@ -286,6 +287,7 @@ $(document).ready(function () {
 
 		// some trickery to trigger download action via ajax
 		var form = $('<form></form>').attr('action', 'attach').attr('method', 'post');
+		form.append($("<input></input>").attr('type', 'hidden').attr('name', 'attach_path').attr('value', window.location.pathname));
 		form.append($("<input></input>").attr('type', 'hidden').attr('name', 'channel_id').attr('value', channelId));
 		post_data.each(function () {
 			form.append($("<input></input>").attr('type', 'hidden').attr('name', 'attach_ids[]').attr('value', this.value));
-- 
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