diff options
Diffstat (limited to 'data/lighttpd/lighttpd-1.4.53/src/mod_staticfile.c')
| -rw-r--r-- | data/lighttpd/lighttpd-1.4.53/src/mod_staticfile.c | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/data/lighttpd/lighttpd-1.4.53/src/mod_staticfile.c b/data/lighttpd/lighttpd-1.4.53/src/mod_staticfile.c new file mode 100644 index 000000000..bf783a21f --- /dev/null +++ b/data/lighttpd/lighttpd-1.4.53/src/mod_staticfile.c @@ -0,0 +1,221 @@ +#include "first.h" + +#include "base.h" +#include "log.h" +#include "buffer.h" + +#include "plugin.h" + +#include "etag.h" +#include "http_chunk.h" +#include "response.h" + +#include <stdlib.h> +#include <string.h> + +/** + * this is a staticfile for a lighttpd plugin + * + */ + + + +/* plugin config for all request/connections */ + +typedef struct { + array *exclude_ext; + unsigned short etags_used; + unsigned short disable_pathinfo; +} plugin_config; + +typedef struct { + PLUGIN_DATA; + + plugin_config **config_storage; + + plugin_config conf; +} plugin_data; + +/* init the plugin data */ +INIT_FUNC(mod_staticfile_init) { + plugin_data *p; + + p = calloc(1, sizeof(*p)); + + return p; +} + +/* detroy the plugin data */ +FREE_FUNC(mod_staticfile_free) { + plugin_data *p = p_d; + + UNUSED(srv); + + if (!p) return HANDLER_GO_ON; + + if (p->config_storage) { + size_t i; + for (i = 0; i < srv->config_context->used; i++) { + plugin_config *s = p->config_storage[i]; + + if (NULL == s) continue; + + array_free(s->exclude_ext); + + free(s); + } + free(p->config_storage); + } + + free(p); + + return HANDLER_GO_ON; +} + +/* handle plugin config and check values */ + +SETDEFAULTS_FUNC(mod_staticfile_set_defaults) { + plugin_data *p = p_d; + size_t i = 0; + + config_values_t cv[] = { + { "static-file.exclude-extensions", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 0 */ + { "static-file.etags", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 1 */ + { "static-file.disable-pathinfo", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 2 */ + { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET } + }; + + if (!p) return HANDLER_ERROR; + + p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *)); + + for (i = 0; i < srv->config_context->used; i++) { + data_config const* config = (data_config const*)srv->config_context->data[i]; + plugin_config *s; + + s = calloc(1, sizeof(plugin_config)); + s->exclude_ext = array_init(); + s->etags_used = 1; + s->disable_pathinfo = 0; + + cv[0].destination = s->exclude_ext; + cv[1].destination = &(s->etags_used); + cv[2].destination = &(s->disable_pathinfo); + + p->config_storage[i] = s; + + if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) { + return HANDLER_ERROR; + } + + if (!array_is_vlist(s->exclude_ext)) { + log_error_write(srv, __FILE__, __LINE__, "s", + "unexpected value for static-file.exclude-extensions; expected list of \"ext\""); + return HANDLER_ERROR; + } + } + + return HANDLER_GO_ON; +} + +#define PATCH(x) \ + p->conf.x = s->x; +static int mod_staticfile_patch_connection(server *srv, connection *con, plugin_data *p) { + size_t i, j; + plugin_config *s = p->config_storage[0]; + + PATCH(exclude_ext); + PATCH(etags_used); + PATCH(disable_pathinfo); + + /* 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("static-file.exclude-extensions"))) { + PATCH(exclude_ext); + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("static-file.etags"))) { + PATCH(etags_used); + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("static-file.disable-pathinfo"))) { + PATCH(disable_pathinfo); + } + } + } + + return 0; +} +#undef PATCH + +URIHANDLER_FUNC(mod_staticfile_subrequest) { + plugin_data *p = p_d; + + /* someone else has done a decision for us */ + if (con->http_status != 0) return HANDLER_GO_ON; + if (buffer_is_empty(con->uri.path)) return HANDLER_GO_ON; + if (buffer_is_empty(con->physical.path)) return HANDLER_GO_ON; + + /* someone else has handled this request */ + if (con->mode != DIRECT) return HANDLER_GO_ON; + + /* we only handle GET, POST and HEAD */ + switch(con->request.http_method) { + case HTTP_METHOD_GET: + case HTTP_METHOD_POST: + case HTTP_METHOD_HEAD: + break; + default: + return HANDLER_GO_ON; + } + + mod_staticfile_patch_connection(srv, con, p); + + if (p->conf.disable_pathinfo && !buffer_string_is_empty(con->request.pathinfo)) { + if (con->conf.log_request_handling) { + log_error_write(srv, __FILE__, __LINE__, "s", "-- NOT handling file as static file, pathinfo forbidden"); + } + return HANDLER_GO_ON; + } + + /* ignore certain extensions */ + if (array_match_value_suffix(p->conf.exclude_ext, con->physical.path)) { + if (con->conf.log_request_handling) { + log_error_write(srv, __FILE__, __LINE__, "s", "-- NOT handling file as static file, extension forbidden"); + } + return HANDLER_GO_ON; + } + + + if (con->conf.log_request_handling) { + log_error_write(srv, __FILE__, __LINE__, "s", "-- handling file as static file"); + } + + if (!p->conf.etags_used) con->etag_flags = 0; + http_response_send_file(srv, con, con->physical.path); + + return HANDLER_FINISHED; +} + +/* this function is called at dlopen() time and inits the callbacks */ + +int mod_staticfile_plugin_init(plugin *p); +int mod_staticfile_plugin_init(plugin *p) { + p->version = LIGHTTPD_VERSION_ID; + p->name = buffer_init_string("staticfile"); + + p->init = mod_staticfile_init; + p->handle_subrequest_start = mod_staticfile_subrequest; + p->set_defaults = mod_staticfile_set_defaults; + p->cleanup = mod_staticfile_free; + + p->data = NULL; + + return 0; +} |