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[mod_magnet] reset config cache for uri components 

reset config cache after modifications to uri components
  lighty.r.req_attr["uri.scheme"]
  lighty.r.req_attr["uri.authority"]
  lighty.r.req_attr["uri.path"]
  lighty.r.req_attr["uri.query"]

Changes might affect subsequent modules when those modules patch config,
but does not affect the core config options which have already been
processed.

If lighttpd config needs to be reprocessed after making changes, then
return lighty.RESTART_REQUEST from lua script to tell lighttpd to
restart the request, including reprocessing the core config options.
This commit is contained in:
Glenn Strauss 2021-08-17 08:00:13 -04:00
parent 0a5cbc62bd
commit 2d8619db57
1 changed files with 15 additions and 8 deletions
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23
src/mod_magnet.c
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@ -1561,12 +1561,12 @@ static int magnet_env_set(lua_State *L) {
case MAGNET_ENV_RESPONSE_HTTP_STATUS:
case MAGNET_ENV_RESPONSE_BODY_LENGTH:
case MAGNET_ENV_RESPONSE_BODY:
return luaL_error(L, "lighty.env['%s'] is read-only", key);
return luaL_error(L, "lighty.r.req_attr['%s'] is read-only", key);
}
buffer * const dest = magnet_env_get_buffer_by_id(r, env_id);
if (NULL == dest)
return luaL_error(L, "couldn't store '%s' in lighty.env[]", key);
return luaL_error(L, "couldn't store '%s' in lighty.r.req_attr[]", key);
if (lua_isnil(L, 3)) {
if (env_id==MAGNET_ENV_URI_QUERY || env_id==MAGNET_ENV_PHYSICAL_PATH)
@ -1575,18 +1575,25 @@ static int magnet_env_set(lua_State *L) {
buffer_blank(dest);
}
else {
const_buffer val = magnet_checkconstbuffer(L, 3);
buffer_copy_string_len(dest, val.ptr, val.len);
/* NB: setting r->uri.query does not modify query-part in r->target
* (r->uri.query is uri-decoded; r->target is not) */
/* NB: setting r->uri.query does not modify query-part in r->target */
}
switch (env_id) {
case MAGNET_ENV_URI_SCHEME:
case MAGNET_ENV_URI_AUTHORITY:
buffer_to_lower(dest);
if (env_id == MAGNET_ENV_URI_AUTHORITY)
r->server_name = dest;
config_cond_cache_reset_item(r, COMP_HTTP_SCHEME);
break;
case MAGNET_ENV_URI_AUTHORITY:
r->server_name = dest;
buffer_to_lower(dest);
config_cond_cache_reset_item(r, COMP_HTTP_HOST);
break;
case MAGNET_ENV_URI_PATH:
config_cond_cache_reset_item(r, COMP_HTTP_URL);
break;
case MAGNET_ENV_URI_QUERY:
config_cond_cache_reset_item(r, COMP_HTTP_QUERY_STRING);
break;
default:
break;