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mod_http: Determine CORS methods to whitelist from actual methods used

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Kim Alvefur 2019-01-17 20:42:38 +01:00
parent 19d344e092
commit 3434e4560f
1 changed files with 9 additions and 2 deletions
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11
plugins/mod_http.lua
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@ -14,6 +14,7 @@ local moduleapi = require "core.moduleapi";
local url_parse = require "socket.url".parse;
local url_build = require "socket.url".build;
local normalize_path = require "util.http".normalize_path;
local set = require "util.set";
local server = require "net.http.server";
@ -23,7 +24,7 @@ server.set_option("body_size_limit", module:get_option_number("http_max_content_
server.set_option("buffer_size_limit", module:get_option_number("http_max_buffer_size"));
-- CORS settigs
local opt_methods = module:get_option_set("access_control_allow_methods", { "GET", "POST", "PUT", "OPTIONS" });
local opt_methods = module:get_option_set("access_control_allow_methods", { "GET", "OPTIONS" });
local opt_headers = module:get_option_set("access_control_allow_headers", { "Content-Type" });
local opt_max_age = module:get_option_number("access_control_max_age", 2 * 60 * 60);
@ -114,9 +115,11 @@ function module.add_host(module)
apps[app_name] = apps[app_name] or {};
local app_handlers = apps[app_name];
local app_methods = opt_methods;
local function cors_handler(event_data)
local request, response = event_data.request, event_data.response;
apply_cors_headers(response, opt_methods, opt_headers, opt_max_age, request.headers.origin);
apply_cors_headers(response, app_methods, opt_headers, opt_max_age, request.headers.origin);
end
local function options_handler(event_data)
@ -127,6 +130,10 @@ function module.add_host(module)
for key, handler in pairs(event.item.route or {}) do
local event_name = get_http_event(host, app_path, key);
if event_name then
local method = event_name:match("^%S+");
if not app_methods:contains(method) then
app_methods = app_methods + set.new{ method };
end
local options_event_name = event_name:gsub("^%S+", "OPTIONS");
if type(handler) ~= "function" then
local data = handler;