mod_http: Allow modifying CORS header list via :provides API
E.g.
module:provides("http", {
cors = {
headers = {
Accept = true;
Expect = false;
};
};
route = { ... };
});
Case might be weird.
--- a/plugins/mod_http.lua Mon Dec 30 09:49:28 2019 +0100
+++ b/plugins/mod_http.lua Mon Dec 30 09:50:59 2019 +0100
@@ -129,11 +129,12 @@
local app_handlers = apps[app_name];
local app_methods = opt_methods;
+ local app_headers = opt_headers;
local app_credentials = opt_credentials;
local function cors_handler(event_data)
local request, response = event_data.request, event_data.response;
- apply_cors_headers(response, app_methods, opt_headers, opt_max_age, app_credentials, request.headers.origin);
+ apply_cors_headers(response, app_methods, app_headers, opt_max_age, app_credentials, request.headers.origin);
end
local function options_handler(event_data)
@@ -146,6 +147,15 @@
if cors.credentials ~= nil then
app_credentials = cors.credentials;
end
+ if cors.headers then
+ for header, enable in pairs(cors.headers) do
+ if enable and not app_headers:contains(header) then
+ app_headers = app_headers + set.new { header };
+ elseif not enable and app_headers:contains(header) then
+ app_headers = app_headers - set.new { header };
+ end
+ end
+ end
end
local streaming = event.item.streaming_uploads;