static const char token_arg[] = "token";
static const char token_cookie[] = "token";
+static char *cookie_name = NULL;
+static char *cookie_setter = NULL;
struct hreq_data {
struct hreq_data *next;
#define MAGIC_DB "/usr/share/misc/magic.mgc"
#endif
+static void afb_hreq_reply_v(struct afb_hreq *hreq, unsigned status, struct MHD_Response *response, va_list args)
+{
+ char *cookie;
+ const char *k, *v;
+ k = va_arg(args, const char *);
+ while (k != NULL) {
+ v = va_arg(args, const char *);
+ MHD_add_response_header(response, k, v);
+ k = va_arg(args, const char *);
+ }
+ if (hreq->context != NULL && asprintf(&cookie, cookie_setter, hreq->context->uuid)) {
+ MHD_add_response_header(response, MHD_HTTP_HEADER_SET_COOKIE, cookie);
+ free(cookie);
+ }
+ MHD_queue_response(hreq->connection, status, response);
+ MHD_destroy_response(response);
+}
+
+void afb_hreq_reply(struct afb_hreq *hreq, unsigned status, struct MHD_Response *response, ...)
+{
+ va_list args;
+ va_start(args, response);
+ afb_hreq_reply_v(hreq, status, response, args);
+ va_end(args);
+}
+
+void afb_hreq_reply_empty(struct afb_hreq *hreq, unsigned status, ...)
+{
+ va_list args;
+ va_start(args, status);
+ afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer(0, NULL, MHD_RESPMEM_PERSISTENT), args);
+ va_end(args);
+}
+
+void afb_hreq_reply_static(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...)
+{
+ va_list args;
+ va_start(args, buffer);
+ afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, buffer, MHD_RESPMEM_PERSISTENT), args);
+ va_end(args);
+}
+
+void afb_hreq_reply_copy(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...)
+{
+ va_list args;
+ va_start(args, buffer);
+ afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, buffer, MHD_RESPMEM_MUST_COPY), args);
+ va_end(args);
+}
+
+void afb_hreq_reply_free(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...)
+{
+ va_list args;
+ va_start(args, buffer);
+ afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, buffer, MHD_RESPMEM_MUST_FREE), args);
+ va_end(args);
+}
+
static magic_t lazy_libmagic()
{
static int done = 0;
void afb_hreq_reply_error(struct afb_hreq *hreq, unsigned int status)
{
- char *buffer;
- int length;
- struct MHD_Response *response;
-
- length = asprintf(&buffer, "<html><body>error %u</body></html>", status);
- if (length > 0)
- response = MHD_create_response_from_buffer((unsigned)length, buffer, MHD_RESPMEM_MUST_FREE);
- else {
- buffer = "<html><body>error</body></html>";
- response = MHD_create_response_from_buffer(strlen(buffer), buffer, MHD_RESPMEM_PERSISTENT);
- }
- if (!MHD_queue_response(hreq->connection, status, response))
- fprintf(stderr, "Failed to reply error code %u", status);
- MHD_destroy_response(response);
+ afb_hreq_reply_empty(hreq, status, NULL);
}
int afb_hreq_reply_file_if_exist(struct afb_hreq *hreq, int dirfd, const char *filename)
}
/* fills the value and send */
- MHD_add_response_header(response, MHD_HTTP_HEADER_CACHE_CONTROL, hreq->cacheTimeout);
- MHD_add_response_header(response, MHD_HTTP_HEADER_ETAG, etag);
- MHD_queue_response(hreq->connection, status, response);
- MHD_destroy_response(response);
+ afb_hreq_reply(hreq, status, response,
+ MHD_HTTP_HEADER_CACHE_CONTROL, hreq->cacheTimeout,
+ MHD_HTTP_HEADER_ETAG, etag,
+ NULL);
return 1;
}
int afb_hreq_redirect_to(struct afb_hreq *hreq, const char *url)
{
- struct MHD_Response *response;
-
- response = MHD_create_response_from_buffer(0, empty_string, MHD_RESPMEM_PERSISTENT);
- MHD_add_response_header(response, MHD_HTTP_HEADER_LOCATION, url);
- MHD_queue_response(hreq->connection, MHD_HTTP_MOVED_PERMANENTLY, response);
- MHD_destroy_response(response);
+ afb_hreq_reply_static(hreq, MHD_HTTP_MOVED_PERMANENTLY, 0, NULL,
+ MHD_HTTP_HEADER_LOCATION, url, NULL);
if (verbosity)
fprintf(stderr, "redirect from [%s] to [%s]\n", hreq->url, url);
return 1;
static void req_send(struct afb_hreq *hreq, char *buffer, size_t size)
{
- struct MHD_Response *response = MHD_create_response_from_buffer((unsigned)size, buffer, MHD_RESPMEM_MUST_FREE);
- MHD_queue_response(hreq->connection, MHD_HTTP_OK, response);
- MHD_destroy_response(response);
+ afb_hreq_reply_free(hreq, MHD_HTTP_OK, size, buffer, NULL);
}
static ssize_t send_json_cb(json_object *obj, uint64_t pos, char *buf, size_t max)
}
response = MHD_create_response_from_callback(MHD_SIZE_UNKNOWN, SIZE_RESPONSE_BUFFER, (void*)send_json_cb, root, (void*)json_object_put);
- MHD_queue_response(hreq->connection, retcode, response);
- MHD_destroy_response(response);
+ afb_hreq_reply(hreq, retcode, response, NULL);
}
static void req_fail(struct afb_hreq *hreq, const char *status, const char *info)
if (uuid == NULL)
uuid = afb_hreq_get_argument(hreq, uuid_arg);
if (uuid == NULL)
- uuid = afb_hreq_get_cookie(hreq, uuid_cookie);
+ uuid = afb_hreq_get_cookie(hreq, cookie_name);
hreq->context = ctxClientGetForUuid(uuid);
}
return hreq->context;
ctxClientClose(context);
}
+int afb_hreq_init_cookie(int port, const char *path, int maxage)
+{
+ int rc;
+
+ free(cookie_name);
+ free(cookie_setter);
+ cookie_name = NULL;
+ cookie_setter = NULL;
+
+ path = path ? : "/";
+ rc = asprintf(&cookie_name, "x-afb-uuid-%d", port);
+ if (rc < 0)
+ return 0;
+ rc = asprintf(&cookie_setter, "%s=%%s; Path=%s; Max-Age=%d; HttpOnly",
+ cookie_name, path, maxage);
+ if (rc < 0)
+ return 0;
+ return 1;
+}
const char *connection, *upgrade, *key, *version, *protocols;
char acceptval[29];
int vernum;
- struct MHD_Response *response;
const struct protodef *proto;
void *ws;
/* is a supported version ? */
vernum = atoi(version);
if (vernum != 13) {
- response = MHD_create_response_from_buffer(0, NULL,
- MHD_RESPMEM_PERSISTENT);
- MHD_add_response_header (response, sec_websocket_version_s,
- "13");
- MHD_queue_response (hreq->connection, MHD_HTTP_BAD_REQUEST,
- response);
- MHD_destroy_response (response);
+ afb_hreq_reply_empty(hreq, MHD_HTTP_UPGRADE_REQUIRED,
+ sec_websocket_version_s, "13", NULL);
return 1;
}
/* send the accept connection */
make_accept_value(key, acceptval);
- response = MHD_create_response_from_buffer(0, NULL,
- MHD_RESPMEM_PERSISTENT);
- MHD_add_response_header (response, sec_websocket_accept_s, acceptval);
- MHD_add_response_header (response, sec_websocket_protocol_s,
- proto->name);
- MHD_add_response_header (response, MHD_HTTP_HEADER_CONNECTION,
- MHD_HTTP_HEADER_UPGRADE);
- MHD_add_response_header (response, MHD_HTTP_HEADER_UPGRADE,
- websocket_s);
- MHD_queue_response (hreq->connection, MHD_HTTP_SWITCHING_PROTOCOLS,
- response);
- MHD_destroy_response (response);
+ afb_hreq_reply_empty(hreq, MHD_HTTP_SWITCHING_PROTOCOLS,
+ sec_websocket_accept_s, acceptval,
+ sec_websocket_protocol_s, proto->name,
+ MHD_HTTP_HEADER_CONNECTION, MHD_HTTP_HEADER_UPGRADE,
+ MHD_HTTP_HEADER_UPGRADE, websocket_s,
+ NULL);
hreq->upgrade = 1;
return 1;