1 files changed, 123 insertions, 0 deletions
diff --git a/www/functions/notused/func_download.php b/www/functions/notused/func_download.php
new file mode 100644
index 0000000..26b25b1
--- /dev/null
+++ b/www/functions/notused/func_download.php
@@ -0,0 +1,123 @@
+<?php
+
+/*
+	Expected state: tested, should work.
+*/
+
+function check_if_file($db, $name, $folder_path){
+
+	$owner = user_id($db, $name);
+
+	$file_id = select_file_id($db, $owner, $folder_path);
+
+	if($file_id){
+		$check_if_file_db = $db->query("SELECT folder FROM files WHERE id=".$file_id.";");
+		$check_if_file_ar = $check_if_file_db->fetchArray(SQLITE3_NUM);
+
+		if($check_if_file_ar[0] == "FILE"){
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		//$content = get_path_to_empty_folder($db, $name, $folder_path);
+		//print_empty_folder($content);
+		//get_404("/", "Protected file");
+		return false;
+	}
+}
+
+function start_file_download($user, $path){
+
+	$db = $GLOBALS["db"];
+
+	$owner = user_id($db, $user);
+
+	$file_id = select_file_id($db, $owner, $path);
+
+	$file_db = $db->query("SELECT owner, share FROM files WHERE id=" . $file_id . ";");
+	$file_ar = $file_db->fetchArray(SQLITE3_NUM);
+	$file_owner = $file_ar[0];
+	$share = $file_ar[1];
+
+	if($_SESSION["login"] && ($_SESSION["userid"] == $file_owner)){
+		if(download_file($db, $file_id)){
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		if($share != "PUBLIC"){
+			return false;
+		}
+
+		if(download_file($db, $file_id)){
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+
+function check_file_hash($db, $file_id, $download_hash){
+	if(preg_match("/[^0-9]/", $file_id)){
+		return DOWNLOAD_FALSE_ID;
+	}
+
+	$check_hash_db = $db->query("SELECT owner, folder, share, download_link FROM files WHERE id=" . SQLite3::escapeString($file_id).";");
+	$check_hash_ar = $check_hash_db->fetchArray(SQLITE3_NUM);
+
+	if($check_hash_ar[1] != "FILE"){
+		return DOWNLOAD_NOT_FILE;
+	}
+
+	if($check_hash_ar[2] != "PUBLIC"){
+		if($_SESSION["userid"] != $check_hash_ar[0]){
+			if($check_hash_ar[3] != $download_hash){
+				return DOWNLOAD_PRIVATE_FILE;
+			}
+		}
+	}
+
+	if(!download_file($db, $file_id)){
+		return false;
+	} else {
+		return true;
+	}
+
+}
+
+function download_file($db, $file_id){
+
+	$file_db = $db->query("SELECT name, mime, size, hash FROM files WHERE id=". SQLite3::escapeString($file_id).";");
+	$file_ar = $file_db->fetchArray(SQLITE3_NUM);
+
+	$file_name = $file_ar[0];
+	$file_mime = $file_ar[1];
+	$file_size = $file_ar[2];
+	$file_hash = $file_ar[3];
+
+	$uploaddir = "../files/";
+	$gzip_file = $uploaddir . $file_hash . ".gz";
+
+//TODO: buffer output, print if reading == true
+
+	header("Content-Type: ".$file_mime);
+
+	if(!preg_match("/^image\/.+/", $file_mime)){
+		header("Content-Disposition: attachment; filename=\"".$file_name."\"");
+	} else {
+		header("filename=".$file_name."");
+	}
+	header("Content-Length: ".$file_size);
+	set_time_limit(0);
+	$uncompressed_file = readgzfile($gzip_file);
+
+	if($uncompressed_file){
+		return true;
+	} else {
+		return false;
+	}
+
+
+}