void clax_dispatch_download(clax_ctx_t *clax_ctx, clax_http_request_t *req, clax_http_response_t *res)
{
char *file = req->path_info + strlen("/tree/");
char buf[255];
char base_buf[255];
char last_modified_buf[30];
struct stat st;
struct tm last_modified_time;
struct tm *last_modified_time_p;
if (stat(file, &st) != 0 || !(st.st_mode & S_IFREG)) {
clax_dispatch_not_found(clax_ctx, req, res);
return;
}
unsigned long crc32 = clax_crc32_calc_file(file);
char crc32_hex[9] = {0};
snprintf(crc32_hex, sizeof(crc32_hex), "%lx", crc32);
FILE *fh = fopen(file, "rb");
if (fh == NULL) {
clax_dispatch_not_found(clax_ctx, req, res);
return;
}
snprintf(buf, sizeof(buf), "%d", (int)st.st_size);
char *base = basename(file);
strcpy(base_buf, "attachment; filename=\"");
strcat(base_buf, base);
strcat(base_buf, "\"");
res->status_code = 200;
clax_kv_list_push(&res->headers, "Content-Type", "application/octet-stream");
clax_kv_list_push(&res->headers, "Content-Disposition", base_buf);
clax_kv_list_push(&res->headers, "Pragma", "no-cache");
clax_kv_list_push(&res->headers, "Content-Length", buf);
last_modified_time_p = gmtime_r(&st.st_mtime, &last_modified_time);
strftime(last_modified_buf, sizeof(last_modified_buf), "%a, %d %b %Y %H:%M:%S GMT", last_modified_time_p);
clax_kv_list_push(&res->headers, "Last-Modified", last_modified_buf);
clax_kv_list_push(&res->headers, "X-Clax-CRC32", crc32_hex);
if (req->method == HTTP_GET)
res->body_fh = fh;
else
fclose(fh);
}
void clax_dispatch(clax_ctx_t *clax_ctx, clax_http_request_t *req, clax_http_response_t *res)
{
char *path_info = req->path_info;
size_t path_info_len = strlen(path_info);
size_t len = sizeof clax_dispatcher_actions / sizeof clax_dispatcher_actions[0];
clax_log("Matching request %s %s", http_method_str(req->method), path_info);
for (int i = 0; i < len; i++) {
clax_dispatcher_action_t *action = &clax_dispatcher_actions[i];
size_t match = clax_dispatcher_match(path_info, path_info_len, action->path, strlen(action->path));
if (match) {
clax_log("Action matched");
if (action->method_mask & (1 << req->method)) {
clax_log("Method matched");
if (req->continue_expected) {
if (action->flags_mask & (1 << CLAX_DISPATCHER_FLAG_100_CONTINUE)) {
action->fn(clax_ctx, req, res);
}
else {
return;
}
} else {
action->fn(clax_ctx, req, res);
}
return;
} else {
clax_dispatch_method_not_allowed(clax_ctx, req, res);
return;
}
}
}
clax_log("No suitable action matched");
clax_dispatch_not_found(clax_ctx, req, res);
return;
}
void clax_dispatch_delete(clax_ctx_t *clax_ctx, clax_http_request_t *req, clax_http_response_t *res)
{
char *file = req->path_info + strlen("/tree/");
struct stat st;
if (stat(file, &st) != 0 || !(st.st_mode & S_IFREG)) {
clax_dispatch_not_found(clax_ctx, req, res);
return;
}
int ret = unlink(file);
if (ret == 0) {
res->status_code = 200;
clax_kv_list_push(&res->headers, "Content-Type", "application/json");
clax_big_buf_append_str(&res->body, "{\"message\":\"ok\"}");
}
else {
clax_dispatch_system_error(clax_ctx, req, res);
return;
}
}
