1 files changed, 83 insertions, 0 deletions
diff --git a/www/functions/func_delete.php b/www/functions/func_delete.php
new file mode 100644
index 0000000..2dab9e2
--- /dev/null
+++ b/www/functions/func_delete.php
@@ -0,0 +1,83 @@
+<?php
+
+function delete_file($user, $path){
+	$db = $GLOBALS["db"];
+	$uploaddir = "../files/";
+
+	$file_id = select_file_id($db, $user, $path);
+
+	$check_if_file_db = $db->query("SELECT folder, hash FROM files WHERE id=".$file_id.";");
+	$check_if_file_ar = $check_if_file_db->fetchArray(SQLITE3_NUM);
+
+	if($check_if_file_ar[0] != "FILE"){
+		return DELETE_FILE_NO_FILE;
+	}
+
+	$file_hash = $check_if_file_ar[1];
+
+	if(!unlink($uploaddir.$file_hash.".gz")){
+		return DELETE_FILE_UNLINK;
+	}
+
+	if($db->exec("
+		BEGIN TRANSACTION;
+		DELETE FROM files WHERE id=".$file_id.";
+		COMMIT;
+	")){
+		return DELETE_FILE_SUCCESS;
+	} else {
+		return DELETE_FILE_DATABASE;
+	}
+}
+
+function delete_user($user){
+	$db = $GLOBALS["db"];
+	$uploaddir = "../files/";
+
+	$owner = user_id($db, $user);
+
+	$hash_array_db = $db->query("SELECT hash FROM files WHERE folder='FILE' AND owner=".$owner.";");
+
+	$count = 0;
+	while($row1 = $hash_array_db->fetchArray(SQLITE3_NUM)){
+		$hash_ar[$count] = $row1[0];
+		$count++;
+	}
+
+	$count = 0;
+
+	for($i=0; $i<count($hash_ar); $i++){
+		$file_id_owner_db = $db->query("SELECT id, owner FROM files WHERE folder='FILE' AND hash=".$hash_ar[$i].";");
+		while($row2 = $file_id_owner->fetchArray(SQLITE3_NUM)){
+			if($row2[1] != $_SESSION["userid"]){
+				$saved_files[$count] = $hash_ar[$i];
+			}
+		$count++;
+		}
+	}
+
+	for($i=0; $i<count($saved_files); $i++){
+		$cur = $saved_files[$i]:
+		for($j=0;$j<count($hash_ar); $j++){
+			if($cur == $hash_ar[$j]){
+				$hash_ar[$j] = "";
+			}
+		}
+	}
+
+	for($i=0; $<count($hash_ar); $i++){
+		if(!unlink($uploaddir.$hash_ar[$i].".gz")){
+			return DELETE_USER_FILE_DELETE;
+		}
+	}	
+
+	if($db->exec("
+		BEGIN TRANSACTION;
+		DELETE FROM user WHERE id=".$owner.";
+		COMMIT;
+	")){
+		return DELETE_USER_SUCCESS;
+	} else {
+		return DELETE_USER_DATABASE;
+	}
+}