void http_client_request_submit(struct http_client_request *req)
{
req->client->pending_requests++;
http_client_request_do_submit(req);
http_client_request_debug(req, "Submitted");
req->submitted = TRUE;
}
void http_client_request_submit(struct http_client_request *req)
{
req->submit_time = ioloop_timeval;
http_client_request_do_submit(req);
http_client_request_debug(req, "Submitted");
req->submitted = TRUE;
http_client_request_add(req);
}
void http_client_request_redirect(struct http_client_request *req,
unsigned int status, const char *location)
{
struct http_url *url;
const char *error, *target, *origin_url;
i_assert(!req->payload_wait);
/* parse URL */
if (http_url_parse(location, NULL, 0,
pool_datastack_create(), &url, &error) < 0) {
http_client_request_error(&req, HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
t_strdup_printf("Invalid redirect location: %s", error));
return;
}
if (++req->redirects > req->client->set.max_redirects) {
if (req->client->set.max_redirects > 0) {
http_client_request_error(&req,
HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
t_strdup_printf("Redirected more than %d times",
req->client->set.max_redirects));
} else {
http_client_request_error(&req,
HTTP_CLIENT_REQUEST_ERROR_INVALID_REDIRECT,
"Redirect refused");
}
return;
}
/* rewind payload stream */
if (req->payload_input != NULL && req->payload_size > 0 && status != 303) {
if (req->payload_input->v_offset != req->payload_offset &&
!req->payload_input->seekable) {
http_client_request_error(&req,
HTTP_CLIENT_REQUEST_ERROR_ABORTED,
"Redirect failed: Cannot resend payload; stream is not seekable");
return;
} else {
i_stream_seek(req->payload_input, req->payload_offset);
}
}
/* drop payload output stream from previous attempt */
if (req->payload_output != NULL)
o_stream_unref(&req->payload_output);
target = http_url_create_target(url);
http_url_copy(req->pool, &req->origin_url, url);
req->target = p_strdup(req->pool, target);
req->host = NULL;
req->conn = NULL;
origin_url = http_url_create(&req->origin_url);
http_client_request_debug(req, "Redirecting to %s%s",
origin_url, target);
req->label = p_strdup_printf(req->pool, "[%s %s%s]",
req->method, origin_url, req->target);
/* RFC 7231, Section 6.4.4:
-> A 303 `See Other' redirect status response is handled a bit differently.
Basically, the response content is located elsewhere, but the original
(POST) request is handled already.
*/
if (status == 303 && strcasecmp(req->method, "HEAD") != 0 &&
strcasecmp(req->method, "GET") != 0) {
// FIXME: should we provide the means to skip this step? The original
// request was already handled at this point.
req->method = p_strdup(req->pool, "GET");
/* drop payload */
if (req->payload_input != NULL)
i_stream_unref(&req->payload_input);
req->payload_size = 0;
req->payload_offset = 0;
}
/* resubmit */
req->state = HTTP_REQUEST_STATE_NEW;
http_client_request_do_submit(req);
}
