/*
- * Copyright (C) 2016 "IoT.bzh"
+ * Copyright (C) 2016, 2017 "IoT.bzh"
* Author: José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
#include "afb-msg-json.h"
#include "afb-context.h"
#include "afb-hreq.h"
-#include "session.h"
+#include "afb-subcall.h"
+#include "afb-session.h"
#include "verbose.h"
+#include "locale-root.h"
#define SIZE_RESPONSE_BUFFER 8192
static const char *req_raw(struct afb_hreq *hreq, size_t *size);
static void req_send(struct afb_hreq *hreq, const char *buffer, size_t size);
static int req_subscribe_unsubscribe_error(struct afb_hreq *hreq, struct afb_event event);
+static void req_subcall(struct afb_hreq *hreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure);
const struct afb_req_itf afb_hreq_req_itf = {
.json = (void*)req_json,
.session_close = (void*)afb_context_close,
.session_set_LOA = (void*)afb_context_change_loa,
.subscribe = (void*)req_subscribe_unsubscribe_error,
- .unsubscribe = (void*)req_subscribe_unsubscribe_error
+ .unsubscribe = (void*)req_subscribe_unsubscribe_error,
+ .subcall = (void*)req_subcall
};
static struct hreq_data *get_data(struct afb_hreq *hreq, const char *key, int create)
afb_hreq_reply_empty(hreq, status, NULL);
}
+int afb_hreq_redirect_to_ending_slash_if_needed(struct afb_hreq *hreq)
+{
+ char *tourl;
+
+ if (hreq->url[hreq->lenurl - 1] == '/')
+ return 0;
+
+ /* the redirect is needed for reliability of relative path */
+ tourl = alloca(hreq->lenurl + 2);
+ memcpy(tourl, hreq->url, hreq->lenurl);
+ tourl[hreq->lenurl] = '/';
+ tourl[hreq->lenurl + 1] = 0;
+ afb_hreq_redirect_to(hreq, tourl, 1);
+ return 1;
+}
+
int afb_hreq_reply_file_if_exist(struct afb_hreq *hreq, int dirfd, const char *filename)
{
int rc;
/* serve directory */
if (S_ISDIR(st.st_mode)) {
- if (hreq->url[hreq->lenurl - 1] != '/') {
- /* the redirect is needed for reliability of relative path */
- char *tourl = alloca(hreq->lenurl + 2);
- memcpy(tourl, hreq->url, hreq->lenurl);
- tourl[hreq->lenurl] = '/';
- tourl[hreq->lenurl + 1] = 0;
- rc = afb_hreq_redirect_to(hreq, tourl, 1);
- } else {
+ rc = afb_hreq_redirect_to_ending_slash_if_needed(hreq);
+ if (rc == 0) {
static const char *indexes[] = { "index.html", NULL };
int i = 0;
- rc = 0;
while (indexes[i] != NULL) {
if (faccessat(fd, indexes[i], R_OK, 0) == 0) {
rc = afb_hreq_reply_file_if_exist(hreq, fd, indexes[i]);
return 1;
}
+int afb_hreq_reply_locale_file_if_exist(struct afb_hreq *hreq, struct locale_search *search, const char *filename)
+{
+ int rc;
+ int fd;
+ unsigned int status;
+ struct stat st;
+ char etag[1 + 2 * 8];
+ const char *inm;
+ struct MHD_Response *response;
+ const char *mimetype;
+
+ /* Opens the file or directory */
+ fd = locale_search_open(search, filename[0] ? filename : ".", O_RDONLY);
+ if (fd < 0) {
+ if (errno == ENOENT)
+ return 0;
+ afb_hreq_reply_error(hreq, MHD_HTTP_FORBIDDEN);
+ return 1;
+ }
+
+ /* Retrieves file's status */
+ if (fstat(fd, &st) != 0) {
+ close(fd);
+ afb_hreq_reply_error(hreq, MHD_HTTP_INTERNAL_SERVER_ERROR);
+ return 1;
+ }
+
+ /* serve directory */
+ if (S_ISDIR(st.st_mode)) {
+ rc = afb_hreq_redirect_to_ending_slash_if_needed(hreq);
+ if (rc == 0) {
+ static const char *indexes[] = { "index.html", NULL };
+ int i = 0;
+ size_t length = strlen(filename);
+ char *extname = alloca(length + 30); /* 30 is enough to old data of indexes */
+ memcpy(extname, filename, length);
+ if (length && extname[length - 1] != '/')
+ extname[length++] = '/';
+ while (rc == 0 && indexes[i] != NULL) {
+ strcpy(extname + length, indexes[i++]);
+ rc = afb_hreq_reply_locale_file_if_exist(hreq, search, extname);
+ }
+ }
+ close(fd);
+ return rc;
+ }
+
+ /* Don't serve special files */
+ if (!S_ISREG(st.st_mode)) {
+ close(fd);
+ afb_hreq_reply_error(hreq, MHD_HTTP_FORBIDDEN);
+ return 1;
+ }
+
+ /* Check the method */
+ if ((hreq->method & (afb_method_get | afb_method_head)) == 0) {
+ close(fd);
+ afb_hreq_reply_error(hreq, MHD_HTTP_METHOD_NOT_ALLOWED);
+ return 1;
+ }
+
+ /* computes the etag */
+ sprintf(etag, "%08X%08X", ((int)(st.st_mtim.tv_sec) ^ (int)(st.st_mtim.tv_nsec)), (int)(st.st_size));
+
+ /* checks the etag */
+ inm = MHD_lookup_connection_value(hreq->connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_IF_NONE_MATCH);
+ if (inm && 0 == strcmp(inm, etag)) {
+ /* etag ok, return NOT MODIFIED */
+ close(fd);
+ DEBUG("Not Modified: [%s]", filename);
+ response = MHD_create_response_from_buffer(0, empty_string, MHD_RESPMEM_PERSISTENT);
+ status = MHD_HTTP_NOT_MODIFIED;
+ } else {
+ /* check the size */
+ if (st.st_size != (off_t) (size_t) st.st_size) {
+ close(fd);
+ afb_hreq_reply_error(hreq, MHD_HTTP_INTERNAL_SERVER_ERROR);
+ return 1;
+ }
+
+ /* create the response */
+ response = MHD_create_response_from_fd((size_t) st.st_size, fd);
+ status = MHD_HTTP_OK;
+
+ /* set the type */
+ mimetype = mimetype_fd_name(fd, filename);
+ if (mimetype != NULL)
+ MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_TYPE, mimetype);
+ }
+
+ /* fills the value and send */
+ afb_hreq_reply(hreq, status, response,
+ MHD_HTTP_HEADER_CACHE_CONTROL, hreq->cacheTimeout,
+ MHD_HTTP_HEADER_ETAG, etag,
+ NULL);
+ return 1;
+}
+
+int afb_hreq_reply_locale_file(struct afb_hreq *hreq, struct locale_search *search, const char *filename)
+{
+ int rc = afb_hreq_reply_locale_file_if_exist(hreq, search, filename);
+ if (rc == 0)
+ afb_hreq_reply_error(hreq, MHD_HTTP_NOT_FOUND);
+ return 1;
+}
+
struct _mkq_ {
int count;
size_t length;
return mkq.text;
}
-int afb_hreq_redirect_to(struct afb_hreq *hreq, const char *url, int add_query_part)
+void afb_hreq_redirect_to(struct afb_hreq *hreq, const char *url, int add_query_part)
{
const char *to;
char *wqp;
MHD_HTTP_HEADER_LOCATION, to, NULL);
DEBUG("redirect from [%s] to [%s]", hreq->url, url);
free(wqp);
- return 1;
}
const char *afb_hreq_get_cookie(struct afb_hreq *hreq, const char *name)
return -1;
}
+static void req_subcall(struct afb_hreq *hreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure)
+{
+ afb_subcall(&hreq->context, api, verb, args, callback, closure, (struct afb_req){ .itf = &afb_hreq_req_itf, .closure = hreq });
+}
+
int afb_hreq_init_context(struct afb_hreq *hreq)
{
const char *uuid;