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/*
* Copyright (C) NGINX, Inc.
*/
#include <nxt_router.h>
#include <nxt_http.h>
#include <njs.h>
static njs_int_t nxt_http_js_ext_uri(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
static njs_int_t nxt_http_js_ext_host(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
static njs_int_t nxt_http_js_ext_remote_addr(njs_vm_t *vm,
njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
njs_value_t *retval);
static njs_int_t nxt_http_js_ext_get_args(njs_vm_t *vm,
njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
njs_value_t *retval);
static njs_int_t nxt_http_js_ext_get_header(njs_vm_t *vm,
njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
njs_value_t *retval);
static njs_int_t nxt_http_js_ext_keys_header(njs_vm_t *vm,
njs_value_t *value, njs_value_t *keys);
static njs_int_t nxt_http_js_ext_get_cookie(njs_vm_t *vm,
njs_object_prop_t *prop, njs_value_t *value, njs_value_t *setval,
njs_value_t *retval);
static njs_int_t nxt_http_js_ext_keys_cookie(njs_vm_t *vm, njs_value_t *value,
njs_value_t *keys);
static njs_int_t nxt_http_js_ext_get_var(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval);
static njs_external_t nxt_http_js_proto[] = {
{
.flags = NJS_EXTERN_PROPERTY,
.name.string = njs_str("uri"),
.enumerable = 1,
.u.property = {
.handler = nxt_http_js_ext_uri,
}
},
{
.flags = NJS_EXTERN_PROPERTY,
.name.string = njs_str("host"),
.enumerable = 1,
.u.property = {
.handler = nxt_http_js_ext_host,
}
},
{
.flags = NJS_EXTERN_PROPERTY,
.name.string = njs_str("remoteAddr"),
.enumerable = 1,
.u.property = {
.handler = nxt_http_js_ext_remote_addr,
}
},
{
.flags = NJS_EXTERN_PROPERTY,
.name.string = njs_str("args"),
.enumerable = 1,
.u.property = {
.handler = nxt_http_js_ext_get_args,
}
},
{
.flags = NJS_EXTERN_OBJECT,
.name.string = njs_str("headers"),
.enumerable = 1,
.u.object = {
.enumerable = 1,
.prop_handler = nxt_http_js_ext_get_header,
.keys = nxt_http_js_ext_keys_header,
}
},
{
.flags = NJS_EXTERN_OBJECT,
.name.string = njs_str("cookies"),
.enumerable = 1,
.u.object = {
.enumerable = 1,
.prop_handler = nxt_http_js_ext_get_cookie,
.keys = nxt_http_js_ext_keys_cookie,
}
},
{
.flags = NJS_EXTERN_OBJECT,
.name.string = njs_str("vars"),
.u.object = {
.prop_handler = nxt_http_js_ext_get_var,
}
},
};
void
nxt_http_register_js_proto(nxt_js_conf_t *jcf)
{
nxt_js_set_proto(jcf, nxt_http_js_proto, njs_nitems(nxt_http_js_proto));
}
static njs_int_t
nxt_http_js_ext_uri(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
nxt_http_request_t *r;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
return njs_vm_value_string_create(vm, retval, r->path->start,
r->path->length);
}
static njs_int_t
nxt_http_js_ext_host(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
nxt_http_request_t *r;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
return njs_vm_value_string_create(vm, retval, r->host.start,
r->host.length);
}
static njs_int_t
nxt_http_js_ext_remote_addr(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
nxt_http_request_t *r;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
return njs_vm_value_string_create(vm, retval,
nxt_sockaddr_address(r->remote),
r->remote->address_length);
}
static njs_int_t
nxt_http_js_ext_get_args(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
u_char *start;
njs_int_t ret;
njs_value_t *args;
njs_opaque_value_t val;
nxt_http_request_t *r;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
args = njs_value_arg(&val);
start = (r->args->start != NULL) ? r->args->start : (u_char *) "";
ret = njs_vm_query_string_parse(vm, start, start + r->args->length, args);
if (ret == NJS_ERROR) {
return NJS_ERROR;
}
njs_value_assign(retval, args);
return NJS_OK;
}
static njs_int_t
nxt_http_js_ext_get_header(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
njs_int_t rc;
njs_str_t key;
nxt_http_field_t *f;
nxt_http_request_t *r;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
rc = njs_vm_prop_name(vm, prop, &key);
if (rc != NJS_OK) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
nxt_list_each(f, r->fields) {
if (key.length == f->name_length
&& memcmp(key.start, f->name, f->name_length) == 0)
{
return njs_vm_value_string_create(vm, retval, f->value,
f->value_length);
}
} nxt_list_loop;
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
static njs_int_t
nxt_http_js_ext_keys_header(njs_vm_t *vm, njs_value_t *value, njs_value_t *keys)
{
njs_int_t rc;
nxt_http_field_t *f;
nxt_http_request_t *r;
rc = njs_vm_array_alloc(vm, keys, 4);
if (rc != NJS_OK) {
return NJS_ERROR;
}
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
return NJS_OK;
}
nxt_list_each(f, r->fields) {
value = njs_vm_array_push(vm, keys);
if (value == NULL) {
return NJS_ERROR;
}
rc = njs_vm_value_string_create(vm, value, f->name, f->name_length);
if (rc != NJS_OK) {
return NJS_ERROR;
}
} nxt_list_loop;
return NJS_OK;
}
static njs_int_t
nxt_http_js_ext_get_cookie(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
njs_int_t rc;
njs_str_t key;
nxt_array_t *cookies;
nxt_http_request_t *r;
nxt_http_name_value_t *nv, *start, *end;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
rc = njs_vm_prop_name(vm, prop, &key);
if (rc != NJS_OK) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
cookies = nxt_http_cookies_parse(r);
if (nxt_slow_path(cookies == NULL)) {
return NJS_ERROR;
}
start = cookies->elts;
end = start + cookies->nelts;
for (nv = start; nv < end; nv++) {
if (key.length == nv->name_length
&& memcmp(key.start, nv->name, nv->name_length) == 0)
{
return njs_vm_value_string_create(vm, retval, nv->value,
nv->value_length);
}
}
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
static njs_int_t
nxt_http_js_ext_keys_cookie(njs_vm_t *vm, njs_value_t *value, njs_value_t *keys)
{
njs_int_t rc;
nxt_array_t *cookies;
nxt_http_request_t *r;
nxt_http_name_value_t *nv, *start, *end;
rc = njs_vm_array_alloc(vm, keys, 4);
if (rc != NJS_OK) {
return NJS_ERROR;
}
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
return NJS_OK;
}
cookies = nxt_http_cookies_parse(r);
if (nxt_slow_path(cookies == NULL)) {
return NJS_ERROR;
}
start = cookies->elts;
end = start + cookies->nelts;
for (nv = start; nv < end; nv++) {
value = njs_vm_array_push(vm, keys);
if (value == NULL) {
return NJS_ERROR;
}
rc = njs_vm_value_string_create(vm, value, nv->name, nv->name_length);
if (rc != NJS_OK) {
return NJS_ERROR;
}
}
return NJS_OK;
}
static njs_int_t
nxt_http_js_ext_get_var(njs_vm_t *vm, njs_object_prop_t *prop,
njs_value_t *value, njs_value_t *setval, njs_value_t *retval)
{
njs_int_t rc;
njs_str_t key;
nxt_str_t name, *vv;
nxt_router_conf_t *rtcf;
nxt_http_request_t *r;
r = njs_vm_external(vm, nxt_js_proto_id, value);
if (r == NULL) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
rc = njs_vm_prop_name(vm, prop, &key);
if (rc != NJS_OK) {
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
rtcf = r->conf->socket_conf->router_conf;
name.start = key.start;
name.length = key.length;
vv = nxt_var_get(&r->task, rtcf->tstr_state, &r->tstr_cache.var, &name, r);
if (vv != NULL) {
return njs_vm_value_string_create(vm, retval, vv->start, vv->length);
}
njs_value_undefined_set(retval);
return NJS_DECLINED;
}
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