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-rw-r--r--net/http/parser.lua20
1 files changed, 19 insertions, 1 deletions
diff --git a/net/http/parser.lua b/net/http/parser.lua
index fdcb8ebb..3d9d1a87 100644
--- a/net/http/parser.lua
+++ b/net/http/parser.lua
@@ -2,6 +2,24 @@
local tonumber = tonumber;
local assert = assert;
+local function preprocess_path(path)
+ if path:sub(1,1) ~= "/" then
+ path = "/"..path;
+ end
+ local level = 0;
+ for component in path:gmatch("([^/]+)/") do
+ if component == ".." then
+ level = level - 1;
+ elseif component ~= "." then
+ level = level + 1;
+ end
+ if level < 0 then
+ return nil;
+ end
+ end
+ return path;
+end
+
local httpstream = {};
function httpstream.new(success_cb, error_cb, parser_type, options_cb)
@@ -74,7 +92,7 @@ function httpstream.new(success_cb, error_cb, parser_type, options_cb)
if path:match("^https?://") then
headers.host, path = path:match("^https?://([^/]*)(.*)");
end
- path = path:gsub("^//+", "/"); -- TODO parse url more
+ path = preprocess_path(path);
len = len or 0;
packet = {