summaryrefslogtreecommitdiff
path: root/src/mod_expire.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mod_expire.c')
-rw-r--r--src/mod_expire.c375
1 files changed, 0 insertions, 375 deletions
diff --git a/src/mod_expire.c b/src/mod_expire.c
deleted file mode 100644
index c844deeb..00000000
--- a/src/mod_expire.c
+++ /dev/null
@@ -1,375 +0,0 @@
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#include "base.h"
-#include "log.h"
-#include "buffer.h"
-#include "response.h"
-
-#include "plugin.h"
-#include "stat_cache.h"
-
-/**
- * this is a expire module for a lighttpd
- *
- * set 'Expires:' HTTP Headers on demand
- */
-
-
-
-/* plugin config for all request/connections */
-
-typedef struct {
- array *expire_url;
-} plugin_config;
-
-typedef struct {
- PLUGIN_DATA;
-
- buffer *expire_tstmp;
-
- plugin_config **config_storage;
-
- plugin_config conf;
-} plugin_data;
-
-/* init the plugin data */
-INIT_FUNC(mod_expire_init) {
- plugin_data *p;
-
- UNUSED(srv);
-
- p = calloc(1, sizeof(*p));
-
- p->expire_tstmp = buffer_init();
-
- buffer_prepare_copy(p->expire_tstmp, 255);
-
- return p;
-}
-
-/* detroy the plugin data */
-FREE_FUNC(mod_expire_free) {
- plugin_data *p = p_d;
-
- UNUSED(srv);
-
- if (!p) return HANDLER_GO_ON;
-
- buffer_free(p->expire_tstmp);
-
- if (p->config_storage) {
- size_t i;
- for (i = 0; i < srv->config_context->used; i++) {
- plugin_config *s = p->config_storage[i];
- if (!s) continue;
-
- array_free(s->expire_url);
- free(s);
- }
- free(p->config_storage);
- }
-
- free(p);
-
- return HANDLER_GO_ON;
-}
-
-static int mod_expire_get_offset(server *srv, plugin_data *p, buffer *expire, time_t *offset) {
- char *ts;
- int type = -1;
- time_t retts = 0;
-
- UNUSED(p);
-
- /*
- * parse
- *
- * '(access|now|modification) [plus] {<num> <type>}*'
- *
- * e.g. 'access 1 years'
- */
-
- if (expire->used == 0) {
- log_error_write(srv, __FILE__, __LINE__, "s",
- "empty:");
- return -1;
- }
-
- ts = expire->ptr;
-
- if (0 == strncmp(ts, "access ", 7)) {
- type = 0;
- ts += 7;
- } else if (0 == strncmp(ts, "now ", 4)) {
- type = 0;
- ts += 4;
- } else if (0 == strncmp(ts, "modification ", 13)) {
- type = 1;
- ts += 13;
- } else {
- /* invalid type-prefix */
- log_error_write(srv, __FILE__, __LINE__, "ss",
- "invalid <base>:", ts);
- return -1;
- }
-
- if (0 == strncmp(ts, "plus ", 5)) {
- /* skip the optional plus */
- ts += 5;
- }
-
- /* the rest is just <number> (years|months|weeks|days|hours|minutes|seconds) */
- while (1) {
- char *space, *err;
- int num;
-
- if (NULL == (space = strchr(ts, ' '))) {
- log_error_write(srv, __FILE__, __LINE__, "ss",
- "missing space after <num>:", ts);
- return -1;
- }
-
- num = strtol(ts, &err, 10);
- if (*err != ' ') {
- log_error_write(srv, __FILE__, __LINE__, "ss",
- "missing <type> after <num>:", ts);
- return -1;
- }
-
- ts = space + 1;
-
- if (NULL != (space = strchr(ts, ' '))) {
- int slen;
- /* */
-
- slen = space - ts;
-
- if (slen == 5 &&
- 0 == strncmp(ts, "years", slen)) {
- num *= 60 * 60 * 24 * 30 * 12;
- } else if (slen == 6 &&
- 0 == strncmp(ts, "months", slen)) {
- num *= 60 * 60 * 24 * 30;
- } else if (slen == 5 &&
- 0 == strncmp(ts, "weeks", slen)) {
- num *= 60 * 60 * 24 * 7;
- } else if (slen == 4 &&
- 0 == strncmp(ts, "days", slen)) {
- num *= 60 * 60 * 24;
- } else if (slen == 5 &&
- 0 == strncmp(ts, "hours", slen)) {
- num *= 60 * 60;
- } else if (slen == 7 &&
- 0 == strncmp(ts, "minutes", slen)) {
- num *= 60;
- } else if (slen == 7 &&
- 0 == strncmp(ts, "seconds", slen)) {
- num *= 1;
- } else {
- log_error_write(srv, __FILE__, __LINE__, "ss",
- "unknown type:", ts);
- return -1;
- }
-
- retts += num;
-
- ts = space + 1;
- } else {
- if (0 == strcmp(ts, "years")) {
- num *= 60 * 60 * 24 * 30 * 12;
- } else if (0 == strcmp(ts, "months")) {
- num *= 60 * 60 * 24 * 30;
- } else if (0 == strcmp(ts, "weeks")) {
- num *= 60 * 60 * 24 * 7;
- } else if (0 == strcmp(ts, "days")) {
- num *= 60 * 60 * 24;
- } else if (0 == strcmp(ts, "hours")) {
- num *= 60 * 60;
- } else if (0 == strcmp(ts, "minutes")) {
- num *= 60;
- } else if (0 == strcmp(ts, "seconds")) {
- num *= 1;
- } else {
- log_error_write(srv, __FILE__, __LINE__, "ss",
- "unknown type:", ts);
- return -1;
- }
-
- retts += num;
-
- break;
- }
- }
-
- if (offset != NULL) *offset = retts;
-
- return type;
-}
-
-
-/* handle plugin config and check values */
-
-SETDEFAULTS_FUNC(mod_expire_set_defaults) {
- plugin_data *p = p_d;
- size_t i = 0, k;
-
- config_values_t cv[] = {
- { "expire.url", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
- { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
- };
-
- if (!p) return HANDLER_ERROR;
-
- p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
-
- for (i = 0; i < srv->config_context->used; i++) {
- plugin_config *s;
-
- s = calloc(1, sizeof(plugin_config));
- s->expire_url = array_init();
-
- cv[0].destination = s->expire_url;
-
- p->config_storage[i] = s;
-
- if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) {
- return HANDLER_ERROR;
- }
-
- for (k = 0; k < s->expire_url->used; k++) {
- data_string *ds = (data_string *)s->expire_url->data[k];
-
- /* parse lines */
- if (-1 == mod_expire_get_offset(srv, p, ds->value, NULL)) {
- log_error_write(srv, __FILE__, __LINE__, "sb",
- "parsing expire.url failed:", ds->value);
- return HANDLER_ERROR;
- }
- }
- }
-
-
- return HANDLER_GO_ON;
-}
-
-static int mod_expire_patch_connection(server *srv, connection *con, plugin_data *p) {
- size_t i, j;
- plugin_config *s = p->config_storage[0];
-
- PATCH_OPTION(expire_url);
-
- /* skip the first, the global context */
- for (i = 1; i < srv->config_context->used; i++) {
- data_config *dc = (data_config *)srv->config_context->data[i];
- s = p->config_storage[i];
-
- /* condition didn't match */
- if (!config_check_cond(srv, con, dc)) continue;
-
- /* merge config */
- for (j = 0; j < dc->value->used; j++) {
- data_unset *du = dc->value->data[j];
-
- if (buffer_is_equal_string(du->key, CONST_STR_LEN("expire.url"))) {
- PATCH_OPTION(expire_url);
- }
- }
- }
-
- return 0;
-}
-
-URIHANDLER_FUNC(mod_expire_path_handler) {
- plugin_data *p = p_d;
- int s_len;
- size_t k;
-
- if (con->uri.path->used == 0) return HANDLER_GO_ON;
-
- mod_expire_patch_connection(srv, con, p);
-
- s_len = con->uri.path->used - 1;
-
- for (k = 0; k < p->conf.expire_url->used; k++) {
- data_string *ds = (data_string *)p->conf.expire_url->data[k];
- int ct_len = ds->key->used - 1;
-
- if (ct_len > s_len) continue;
- if (ds->key->used == 0) continue;
-
- if (0 == strncmp(con->uri.path->ptr, ds->key->ptr, ct_len)) {
- time_t ts, expires;
- size_t len;
-
- switch(mod_expire_get_offset(srv, p, ds->value, &ts)) {
- case 0:
- /* access */
- expires = (ts + srv->cur_ts);
- break;
- case 1: {
- /* modification */
- stat_cache_entry *sce = NULL;
-
- if (buffer_is_empty(con->physical.path)) return HANDLER_GO_ON;
-
- if (HANDLER_GO_ON != stat_cache_get_entry(srv, con, con->physical.path, &sce)) {
- /* it failed for some reason, just skip it */
- return HANDLER_GO_ON;
- }
-
- expires = (ts + sce->st.st_mtime);
-
- break; }
- default:
- /* -1 is handled at parse-time */
- break;
- }
-
- /* expires should be at least srv->cur_ts */
- if (expires < srv->cur_ts) expires = srv->cur_ts;
-
- if (0 == (len = strftime(p->expire_tstmp->ptr, p->expire_tstmp->size - 1,
- "%a, %d %b %Y %H:%M:%S GMT", gmtime(&(expires))))) {
- /* could not set expire header, out of mem */
-
- return HANDLER_GO_ON;
- }
-
- p->expire_tstmp->used = len + 1;
-
- /* HTTP/1.0 */
- response_header_overwrite(srv, con, CONST_STR_LEN("Expires"), CONST_BUF_LEN(p->expire_tstmp));
-
- /* HTTP/1.1 */
- buffer_copy_string_len(p->expire_tstmp, CONST_STR_LEN("max-age="));
- buffer_append_long(p->expire_tstmp, expires - srv->cur_ts); /* as expires >= srv->cur_ts the difference is >= 0 */
-
- response_header_append(srv, con, CONST_STR_LEN("Cache-Control"), CONST_BUF_LEN(p->expire_tstmp));
-
- return HANDLER_GO_ON;
- }
- }
-
- /* not found */
- return HANDLER_GO_ON;
-}
-
-/* this function is called at dlopen() time and inits the callbacks */
-
-LI_EXPORT int mod_expire_plugin_init(plugin *p);
-LI_EXPORT int mod_expire_plugin_init(plugin *p) {
- p->version = LIGHTTPD_VERSION_ID;
- p->name = buffer_init_string("expire");
-
- p->init = mod_expire_init;
- p->handle_response_header = mod_expire_path_handler;
- p->set_defaults = mod_expire_set_defaults;
- p->cleanup = mod_expire_free;
-
- p->data = NULL;
-
- return 0;
-}
View Lorry Controller Status