static njs_ret_t
ngx_http_js_ext_get_variable(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
nxt_str_t *v;
ngx_str_t name;
ngx_uint_t key;
ngx_http_request_t *r;
ngx_http_variable_value_t *vv;
r = (ngx_http_request_t *) obj;
v = (nxt_str_t *) data;
name.data = v->start;
name.len = v->length;
key = ngx_hash_strlow(name.data, name.data, name.len);
vv = ngx_http_get_variable(r, &name, key);
if (vv == NULL || vv->not_found) {
return njs_string_create(vm, value, NULL, 0, 0);
}
return njs_string_create(vm, value, vv->data, vv->len, 0);
}
static njs_ret_t
ngx_http_js_ext_next_header(njs_vm_t *vm, njs_value_t *value, void *obj,
void *next)
{
ngx_http_js_table_entry_t **e = next;
ngx_table_elt_t *header, *h;
ngx_http_js_table_entry_t *entry;
entry = *e;
while (entry->part) {
if (entry->item >= entry->part->nelts) {
entry->part = entry->part->next;
entry->item = 0;
continue;
}
header = entry->part->elts;
h = &header[entry->item++];
return njs_string_create(vm, value, h->key.data, h->key.len, 0);
}
return NJS_DONE;
}
static njs_ret_t
ngx_http_js_ext_get_http_version(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
ngx_str_t v;
ngx_http_request_t *r;
r = (ngx_http_request_t *) obj;
switch (r->http_version) {
case NGX_HTTP_VERSION_9:
ngx_str_set(&v, "0.9");
break;
case NGX_HTTP_VERSION_10:
ngx_str_set(&v, "1.0");
break;
default: /* NGX_HTTP_VERSION_11 */
ngx_str_set(&v, "1.1");
break;
}
return njs_string_create(vm, value, v.data, v.len, 0);
}
static njs_ret_t
njs_regexp_string_create(njs_vm_t *vm, njs_value_t *value, u_char *start,
uint32_t size, int32_t length)
{
length = (length >= 0) ? length : 0;
return njs_string_create(vm, value, start, size, length);
}
static njs_ret_t
ngx_http_js_ext_get_arg(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
nxt_str_t *v;
ngx_str_t arg;
ngx_http_request_t *r;
r = (ngx_http_request_t *) obj;
v = (nxt_str_t *) data;
if (ngx_http_arg(r, v->start, v->length, &arg) == NGX_OK) {
return njs_string_create(vm, value, arg.data, arg.len, 0);
}
return njs_string_create(vm, value, NULL, 0, 0);
}
static njs_ret_t
ngx_http_js_ext_get_header_in(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
nxt_str_t *v;
ngx_table_elt_t *h;
ngx_http_request_t *r;
r = (ngx_http_request_t *) obj;
v = (nxt_str_t *) data;
h = ngx_http_js_get_header(&r->headers_in.headers.part, v->data, v->len);
if (h == NULL) {
return njs_string_create(vm, value, NULL, 0, 0);
}
return njs_string_create(vm, value, h->value.data, h->value.len, 0);
}
static njs_ret_t
njs_regexp_string_create(njs_vm_t *vm, njs_value_t *value, u_char *start,
uint32_t size, int32_t length)
{
if (nxt_fast_path(length >= 0)) {
return njs_string_create(vm, value, start, size, length);
}
vm->exception = &njs_exception_internal_error;
return NXT_ERROR;
}
static njs_ret_t
ngx_http_js_ext_get_string(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
char *p = obj;
ngx_str_t *field;
field = (ngx_str_t *) (p + data);
return njs_string_create(vm, value, field->data, field->len, 0);
}
static njs_ret_t
ngx_http_js_ext_get_remote_address(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
ngx_connection_t *c;
ngx_http_request_t *r;
r = (ngx_http_request_t *) obj;
c = r->connection;
return njs_string_create(vm, value, c->addr_text.data, c->addr_text.len, 0);
}
static njs_ret_t
ngx_http_js_ext_get_content_length(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
size_t len;
u_char *p;
ngx_http_request_t *r;
r = (ngx_http_request_t *) obj;
p = ngx_pnalloc(r->pool, NGX_OFF_T_LEN);
if (p == NULL) {
return NJS_ERROR;
}
len = ngx_sprintf(p, "%O", r->headers_out.content_length_n) - p;
return njs_string_create(vm, value, p, len, 0);
}
static njs_ret_t
ngx_http_js_ext_get_status(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
size_t len;
u_char *p;
ngx_http_request_t *r;
r = (ngx_http_request_t *) obj;
p = ngx_pnalloc(r->pool, 3);
if (p == NULL) {
return NJS_ERROR;
}
len = ngx_snprintf(p, 3, "%ui", r->headers_out.status) - p;
return njs_string_create(vm, value, p, len, 0);
}
njs_value_t *
njs_array_add(njs_vm_t *vm, njs_value_t *value, u_char *start, size_t size)
{
njs_ret_t ret;
njs_array_t *array;
if (value != NULL) {
array = value->data.u.array;
if (array->size == array->length) {
ret = njs_array_realloc(vm, array, 0, array->size + 1);
if (nxt_slow_path(ret != NXT_OK)) {
return NULL;
}
}
} else {
value = nxt_mem_cache_align(vm->mem_cache_pool, sizeof(njs_value_t),
sizeof(njs_value_t));
if (nxt_slow_path(value == NULL)) {
return NULL;
}
array = njs_array_alloc(vm, 0, NJS_ARRAY_SPARE);
if (nxt_slow_path(array == NULL)) {
return NULL;
}
value->data.u.array = array;
value->type = NJS_ARRAY;
value->data.truth = 1;
}
ret = njs_string_create(vm, &array->start[array->length++], start, size, 0);
if (nxt_fast_path(ret == NXT_OK)) {
return value;
}
return NULL;
}
static njs_ret_t
ngx_http_js_ext_next_arg(njs_vm_t *vm, njs_value_t *value, void *obj,
void *next)
{
ngx_str_t **e = next;
size_t len;
u_char *p, *start, *end;
ngx_str_t *entry;
entry = *e;
if (entry->len == 0) {
return NJS_DONE;
}
start = entry->data;
end = start + entry->len;
p = ngx_strlchr(start, end, '=');
if (p == NULL) {
return NJS_ERROR;
}
len = p - start;
p++;
p = ngx_strlchr(p, end, '&');
if (p) {
entry->data = &p[1];
entry->len = end - entry->data;
} else {
entry->len = 0;
}
return njs_string_create(vm, value, start, len, 0);
}