/** Common part of request parser, usually after JSON representation is made available in req->params
* @param req the request
* @param leave leave the req->params */
static bool common(struct req *req, bool leave)
{
ut *ut;
/* guarantee that req->params is ok */
if (!ut_ok(req->params)) {
req->reply = req->params;
req->params = NULL;
return false;
} else if (ut_type(req->params) != T_HASH) {
return errcode(JSON_RPC_INVALID_REQUEST);
}
/* JSON-RPC argument check */
if ((ut = uth_get(req->params, "service"))) /* used by Qooxdoo */
req->service = ut_char(ut);
if ((ut = uth_get(req->params, "method")))
req->method = ut_char(ut);
if ((ut = uth_get(req->params, "id")))
req->id = ut_char(ut);
/* XXX: dont check jsonrpc=2.0 */
if (!leave) {
if ((ut = uth_get(req->params, "params")))
req->params = ut;
else
req->params = uth_set_thash(req->params, "params", NULL); /* create empty hash */
if (ut_is_tlist(req->params) && thash_get(req->http.headers, "X-Qooxdoo-Response-Type")) {
tlist *tl = ut_tlist(req->params);
req->params = tlist_shift(tl);
}
}
return true;
}
/* this probably needs a wise rewrite */
static char *fill_query(struct req *req, char *orig_query, tlist *data)
{
int i, qs;
enum fq_state { NORMAL, INQ } state = NORMAL;
xstr *query;
MYSQL *conn;
ut *arg, *el, *el2;
tlist *list, *list2;
bool atleastone, atleastone2;
#define iskeyw(a) (sizeof(a) == i - qs && strncmp((a), orig_query + qs + 1, sizeof(a) - 1) == 0)
/* XXX: uses list and el */
#define appendlist(utlist) do { \
atleastone = false; \
xstr_append(query, "("); \
list = ut_tlist(utlist); \
TLIST_ITER_LOOP(list, el) { \
if (atleastone) \
xstr_append_char(query, ','); \
xstr_append(query, \
pb("\"%s\"", escape(conn, ut_xstr(el)))); \
atleastone = true; \
} \
xstr_append(query, ")"); \
} while(0);
conn = uthp_ptr(req->prv, "sqler", "conn");
query = xstr_create("", req);
tlist_reset(data);
for (i = 0; orig_query[i]; i++) {
switch (state) {
case NORMAL:
if (orig_query[i] == '?') {
qs = i;
state = INQ;
} else {
xstr_append_char(query, orig_query[i]);
}
break;
case INQ:
if (orig_query[i] == '?') {
if (iskeyw("login")) {
xstr_append(query, pb("\"%s\"", uthp_char(req->prv, "sqler", "login")));
} else if (iskeyw("role")) {
xstr_append(query, pb("\"%s\"", uthp_char(req->prv, "sqler", "role")));
} else { /* probably needs an arg */
arg = tlist_iter(data);
if (arg) {
if (iskeyw("int")) {
xstr_append(query, pb("%d", ut_int(arg)));
} else if (iskeyw("str")) {
xstr_append(query, pb("\"%s\"", escape(conn, ut_xstr(arg))));
} else if (iskeyw("dbl")) {
xstr_append(query, pb("%g", ut_double(arg)));
} else if (iskeyw("login")) {
xstr_append(query, pb("\"%s\"", uthp_char(req->prv, "sqler", "login")));
} else if (iskeyw("role")) {
xstr_append(query, pb("\"%s\"", uthp_char(req->prv, "sqler", "role")));
} else if (iskeyw("array")) {
appendlist(arg);
} else if (iskeyw("arrays")) {
atleastone2 = false;
list2 = ut_tlist(arg);
TLIST_ITER_LOOP(list2, el2) {
if (atleastone2)
xstr_append_char(query, ',');
appendlist(el2);
atleastone2 = true;
}
}
/* XXX: arg eaten by unrecognizible substitution */
}
}
state = NORMAL;
} else if (orig_query[i] < 'a' || orig_query[i] > 'z') {
rollback:
while (qs <= i)
xstr_append_char(query, orig_query[qs++]);
state = NORMAL;
}
break;
}
