summaryrefslogtreecommitdiff
path: root/src/mod_cml.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mod_cml.c')
-rw-r--r--src/mod_cml.c122
1 files changed, 90 insertions, 32 deletions
diff --git a/src/mod_cml.c b/src/mod_cml.c
index def16c7..0be9747 100644
--- a/src/mod_cml.c
+++ b/src/mod_cml.c
@@ -47,6 +47,7 @@ FREE_FUNC(mod_cml_free) {
buffer_free(s->ext);
buffer_free(s->mc_namespace);
+ buffer_free(s->power_magnet);
array_free(s->mc_hosts);
#if defined(HAVE_MEMCACHE_H)
@@ -78,6 +79,7 @@ SETDEFAULTS_FUNC(mod_cml_set_defaults) {
{ "cml.extension", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
{ "cml.memcache-hosts", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 1 */
{ "cml.memcache-namespace", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 2 */
+ { "cml.power-magnet", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 3 */
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};
@@ -92,6 +94,7 @@ SETDEFAULTS_FUNC(mod_cml_set_defaults) {
s->ext = buffer_init();
s->mc_hosts = array_init();
s->mc_namespace = buffer_init();
+ s->power_magnet = buffer_init();
#if defined(HAVE_MEMCACHE_H)
s->mc = NULL;
#endif
@@ -99,6 +102,7 @@ SETDEFAULTS_FUNC(mod_cml_set_defaults) {
cv[0].destination = s->ext;
cv[1].destination = s->mc_hosts;
cv[2].destination = s->mc_namespace;
+ cv[3].destination = s->power_magnet;
p->config_storage[i] = s;
@@ -144,6 +148,7 @@ static int mod_cml_patch_connection(server *srv, connection *con, plugin_data *p
PATCH(mc);
#endif
PATCH(mc_namespace);
+ PATCH(power_magnet);
/* skip the first, the global context */
for (i = 1; i < srv->config_context->used; i++) {
@@ -165,6 +170,8 @@ static int mod_cml_patch_connection(server *srv, connection *con, plugin_data *p
#endif
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("cml.memcache-namespace"))) {
PATCH(mc_namespace);
+ } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("cml.power-magnet"))) {
+ PATCH(power_magnet);
}
}
}
@@ -289,36 +296,11 @@ int cache_get_session_id(server *srv, connection *con, plugin_data *p) {
}
-
-URIHANDLER_FUNC(mod_cml_is_handled) {
- int ct_len, s_len;
+int cache_call_lua(server *srv, connection *con, plugin_data *p, buffer *cml_file) {
buffer *b;
char *c;
- buffer *fn = con->physical.path;
- plugin_data *p = p_d;
int ret;
-
- if (fn->used == 0) return HANDLER_ERROR;
-
- mod_cml_patch_connection(srv, con, p);
-
- buffer_reset(p->basedir);
- buffer_reset(p->baseurl);
- buffer_reset(p->session_id);
- buffer_reset(p->trigger_handler);
-
- if (buffer_is_empty(p->conf.ext)) return HANDLER_GO_ON;
-
- ct_len = p->conf.ext->used - 1;
- s_len = fn->used - 1;
-
- if (s_len < ct_len) return HANDLER_GO_ON;
-
- if (0 != strncmp(fn->ptr + s_len - ct_len, p->conf.ext->ptr, ct_len)) {
- /* not my job */
- return HANDLER_GO_ON;
- }
-
+
/* cleanup basedir */
b = p->baseurl;
buffer_copy_string_buffer(b, con->uri.path);
@@ -330,7 +312,7 @@ URIHANDLER_FUNC(mod_cml_is_handled) {
}
b = p->basedir;
- buffer_copy_string_buffer(b, fn);
+ buffer_copy_string_buffer(b, con->physical.path);
for (c = b->ptr + b->used - 1; c > b->ptr && *c != '/'; c--);
if (*c == '/') {
@@ -338,6 +320,7 @@ URIHANDLER_FUNC(mod_cml_is_handled) {
*(c+1) = '\0';
}
+
/* prepare variables
* - session-id
* - cookie-based
@@ -346,9 +329,82 @@ URIHANDLER_FUNC(mod_cml_is_handled) {
cache_get_session_id(srv, con, p);
- ret = cache_parse_lua(srv, con, p, fn);
+ return cache_parse_lua(srv, con, p, cml_file);
+
+}
+
+URIHANDLER_FUNC(mod_cml_power_magnet) {
+ plugin_data *p = p_d;
+
+ mod_cml_patch_connection(srv, con, p);
+
+ buffer_reset(p->basedir);
+ buffer_reset(p->baseurl);
+ buffer_reset(p->session_id);
+ buffer_reset(p->trigger_handler);
+
+ if (buffer_is_empty(p->conf.power_magnet)) return HANDLER_GO_ON;
+
+ /*
+ * power-magnet:
+ * cml.power-magnet = server.docroot + "/rewrite.cml"
+ *
+ * is called on EACH request, take the original REQUEST_URI and modifies the
+ * request header as neccesary.
+ *
+ * First use:
+ * if file_exists("/maintainance.html") {
+ * output_include = ( "/maintainance.html" )
+ * return CACHE_HIT
+ * }
+ *
+ * as we only want to rewrite HTML like requests we should cover it in a conditional
+ *
+ * */
+
+ switch(cache_call_lua(srv, con, p, p->conf.power_magnet)) {
+ case -1:
+ /* error */
+ if (con->conf.log_request_handling) {
+ log_error_write(srv, __FILE__, __LINE__, "s", "cache-error");
+ }
+ con->http_status = 500;
+ return HANDLER_COMEBACK;
+ case 0:
+ if (con->conf.log_request_handling) {
+ log_error_write(srv, __FILE__, __LINE__, "s", "cache-hit");
+ }
+ /* cache-hit */
+ buffer_reset(con->physical.path);
+ return HANDLER_FINISHED;
+ case 1:
+ /* cache miss */
+ return HANDLER_GO_ON;
+ default:
+ con->http_status = 500;
+ return HANDLER_COMEBACK;
+ }
+}
+
+URIHANDLER_FUNC(mod_cml_is_handled) {
+ plugin_data *p = p_d;
+
+ if (buffer_is_empty(con->physical.path)) return HANDLER_ERROR;
+
+ mod_cml_patch_connection(srv, con, p);
+
+ buffer_reset(p->basedir);
+ buffer_reset(p->baseurl);
+ buffer_reset(p->session_id);
+ buffer_reset(p->trigger_handler);
+
+ if (buffer_is_empty(p->conf.ext)) return HANDLER_GO_ON;
- switch(ret) {
+ if (!buffer_is_equal_right_len(con->physical.path, p->conf.ext, p->conf.ext->used - 1)) {
+ return HANDLER_GO_ON;
+ }
+
+ switch(cache_call_lua(srv, con, p, con->physical.path)) {
case -1:
/* error */
if (con->conf.log_request_handling) {
@@ -369,9 +425,10 @@ URIHANDLER_FUNC(mod_cml_is_handled) {
}
/* cache miss */
return HANDLER_COMEBACK;
+ default:
+ con->http_status = 500;
+ return HANDLER_COMEBACK;
}
-
- return 0;
}
int mod_cml_plugin_init(plugin *p) {
@@ -383,6 +440,7 @@ int mod_cml_plugin_init(plugin *p) {
p->set_defaults = mod_cml_set_defaults;
p->handle_subrequest_start = mod_cml_is_handled;
+ p->handle_physical = mod_cml_power_magnet;
p->data = NULL;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 19:29:50 +0000