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/*
* Copyright (C) Roman Arutyunyan
* Copyright (C) Nginx, Inc.
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
static ngx_array_t *ngx_http_v3_get_dynamic_table(ngx_connection_t *c);
static ngx_int_t ngx_http_v3_new_header(ngx_connection_t *c);
static ngx_http_v3_header_t ngx_http_v3_static_table[] = {
{ ngx_string(":authority"), ngx_string("") },
{ ngx_string(":path"), ngx_string("/") },
{ ngx_string("age"), ngx_string("0") },
{ ngx_string("content-disposition"), ngx_string("") },
{ ngx_string("content-length"), ngx_string("0") },
{ ngx_string("cookie"), ngx_string("") },
{ ngx_string("date"), ngx_string("") },
{ ngx_string("etag"), ngx_string("") },
{ ngx_string("if-modified-since"), ngx_string("") },
{ ngx_string("if-none-match"), ngx_string("") },
{ ngx_string("last-modified"), ngx_string("") },
{ ngx_string("link"), ngx_string("") },
{ ngx_string("location"), ngx_string("") },
{ ngx_string("referer"), ngx_string("") },
{ ngx_string("set-cookie"), ngx_string("") },
{ ngx_string(":method"), ngx_string("CONNECT") },
{ ngx_string(":method"), ngx_string("DELETE") },
{ ngx_string(":method"), ngx_string("GET") },
{ ngx_string(":method"), ngx_string("HEAD") },
{ ngx_string(":method"), ngx_string("OPTIONS") },
{ ngx_string(":method"), ngx_string("POST") },
{ ngx_string(":method"), ngx_string("PUT") },
{ ngx_string(":scheme"), ngx_string("http") },
{ ngx_string(":scheme"), ngx_string("https") },
{ ngx_string(":status"), ngx_string("103") },
{ ngx_string(":status"), ngx_string("200") },
{ ngx_string(":status"), ngx_string("304") },
{ ngx_string(":status"), ngx_string("404") },
{ ngx_string(":status"), ngx_string("503") },
{ ngx_string("accept"), ngx_string("*/*") },
{ ngx_string("accept"),
ngx_string("application/dns-message") },
{ ngx_string("accept-encoding"), ngx_string("gzip, deflate, br") },
{ ngx_string("accept-ranges"), ngx_string("bytes") },
{ ngx_string("access-control-allow-headers"),
ngx_string("cache-control") },
{ ngx_string("access-control-allow-headers"),
ngx_string("content-type") },
{ ngx_string("access-control-allow-origin"),
ngx_string("*") },
{ ngx_string("cache-control"), ngx_string("max-age=0") },
{ ngx_string("cache-control"), ngx_string("max-age=2592000") },
{ ngx_string("cache-control"), ngx_string("max-age=604800") },
{ ngx_string("cache-control"), ngx_string("no-cache") },
{ ngx_string("cache-control"), ngx_string("no-store") },
{ ngx_string("cache-control"),
ngx_string("public, max-age=31536000") },
{ ngx_string("content-encoding"), ngx_string("br") },
{ ngx_string("content-encoding"), ngx_string("gzip") },
{ ngx_string("content-type"),
ngx_string("application/dns-message") },
{ ngx_string("content-type"),
ngx_string("application/javascript") },
{ ngx_string("content-type"), ngx_string("application/json") },
{ ngx_string("content-type"),
ngx_string("application/x-www-form-urlencoded") },
{ ngx_string("content-type"), ngx_string("image/gif") },
{ ngx_string("content-type"), ngx_string("image/jpeg") },
{ ngx_string("content-type"), ngx_string("image/png") },
{ ngx_string("content-type"), ngx_string("text/css") },
{ ngx_string("content-type"),
ngx_string("text/html;charset=utf-8") },
{ ngx_string("content-type"), ngx_string("text/plain") },
{ ngx_string("content-type"),
ngx_string("text/plain;charset=utf-8") },
{ ngx_string("range"), ngx_string("bytes=0-") },
{ ngx_string("strict-transport-security"),
ngx_string("max-age=31536000") },
{ ngx_string("strict-transport-security"),
ngx_string("max-age=31536000;includesubdomains") },
{ ngx_string("strict-transport-security"),
ngx_string("max-age=31536000;includesubdomains;preload") },
{ ngx_string("vary"), ngx_string("accept-encoding") },
{ ngx_string("vary"), ngx_string("origin") },
{ ngx_string("x-content-type-options"),
ngx_string("nosniff") },
{ ngx_string("x-xss-protection"), ngx_string("1;mode=block") },
{ ngx_string(":status"), ngx_string("100") },
{ ngx_string(":status"), ngx_string("204") },
{ ngx_string(":status"), ngx_string("206") },
{ ngx_string(":status"), ngx_string("302") },
{ ngx_string(":status"), ngx_string("400") },
{ ngx_string(":status"), ngx_string("403") },
{ ngx_string(":status"), ngx_string("421") },
{ ngx_string(":status"), ngx_string("425") },
{ ngx_string(":status"), ngx_string("500") },
{ ngx_string("accept-language"), ngx_string("") },
{ ngx_string("access-control-allow-credentials"),
ngx_string("FALSE") },
{ ngx_string("access-control-allow-credentials"),
ngx_string("TRUE") },
{ ngx_string("access-control-allow-headers"),
ngx_string("*") },
{ ngx_string("access-control-allow-methods"),
ngx_string("get") },
{ ngx_string("access-control-allow-methods"),
ngx_string("get, post, options") },
{ ngx_string("access-control-allow-methods"),
ngx_string("options") },
{ ngx_string("access-control-expose-headers"),
ngx_string("content-length") },
{ ngx_string("access-control-request-headers"),
ngx_string("content-type") },
{ ngx_string("access-control-request-method"),
ngx_string("get") },
{ ngx_string("access-control-request-method"),
ngx_string("post") },
{ ngx_string("alt-svc"), ngx_string("clear") },
{ ngx_string("authorization"), ngx_string("") },
{ ngx_string("content-security-policy"),
ngx_string("script-src 'none';object-src 'none';base-uri 'none'") },
{ ngx_string("early-data"), ngx_string("1") },
{ ngx_string("expect-ct"), ngx_string("") },
{ ngx_string("forwarded"), ngx_string("") },
{ ngx_string("if-range"), ngx_string("") },
{ ngx_string("origin"), ngx_string("") },
{ ngx_string("purpose"), ngx_string("prefetch") },
{ ngx_string("server"), ngx_string("") },
{ ngx_string("timing-allow-origin"), ngx_string("*") },
{ ngx_string("upgrade-insecure-requests"),
ngx_string("1") },
{ ngx_string("user-agent"), ngx_string("") },
{ ngx_string("x-forwarded-for"), ngx_string("") },
{ ngx_string("x-frame-options"), ngx_string("deny") },
{ ngx_string("x-frame-options"), ngx_string("sameorigin") }
};
ngx_int_t
ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
ngx_uint_t index, ngx_str_t *value)
{
ngx_array_t *dt;
ngx_connection_t *pc;
ngx_http_v3_header_t *ref, *h;
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 ref insert %s[$ui] \"%V\"",
dynamic ? "dynamic" : "static", index, value);
pc = c->qs->parent;
ref = ngx_http_v3_lookup_table(c, dynamic, index);
if (ref == NULL) {
return NGX_ERROR;
}
dt = ngx_http_v3_get_dynamic_table(c);
if (dt == NULL) {
return NGX_ERROR;
}
h = ngx_array_push(dt);
if (h == NULL) {
return NGX_ERROR;
}
h->name = ref->name;
h->value.data = ngx_pstrdup(pc->pool, value);
if (h->value.data == NULL) {
h->value.len = 0;
return NGX_ERROR;
}
h->value.len = value->len;
if (ngx_http_v3_new_header(c) != NGX_OK) {
return NGX_ERROR;
}
return NGX_OK;
}
ngx_int_t
ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name,
ngx_str_t *value)
{
ngx_array_t *dt;
ngx_connection_t *pc;
ngx_http_v3_header_t *h;
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 insert \"%V\":\"%V\"", name, value);
pc = c->qs->parent;
dt = ngx_http_v3_get_dynamic_table(c);
if (dt == NULL) {
return NGX_ERROR;
}
h = ngx_array_push(dt);
if (h == NULL) {
return NGX_ERROR;
}
h->name.data = ngx_pstrdup(pc->pool, name);
if (h->name.data == NULL) {
h->name.len = 0;
h->value.len = 0;
return NGX_ERROR;
}
h->name.len = name->len;
h->value.data = ngx_pstrdup(pc->pool, value);
if (h->value.data == NULL) {
h->value.len = 0;
return NGX_ERROR;
}
h->value.len = value->len;
if (ngx_http_v3_new_header(c) != NGX_OK) {
return NGX_ERROR;
}
return NGX_OK;
}
ngx_int_t
ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 set capacity %ui", capacity);
/* XXX ignore capacity */
return NGX_OK;
}
ngx_int_t
ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index)
{
ngx_array_t *dt;
ngx_http_v3_header_t *ref, *h;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 duplicate %ui", index);
ref = ngx_http_v3_lookup_table(c, 1, index);
if (ref == NULL) {
return NGX_ERROR;
}
dt = ngx_http_v3_get_dynamic_table(c);
if (dt == NULL) {
return NGX_ERROR;
}
h = ngx_array_push(dt);
if (h == NULL) {
return NGX_ERROR;
}
*h = *ref;
if (ngx_http_v3_new_header(c) != NGX_OK) {
return NGX_ERROR;
}
return NGX_OK;
}
ngx_int_t
ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 ack header %ui", stream_id);
/* XXX */
return NGX_OK;
}
ngx_int_t
ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 cancel stream %ui", stream_id);
/* XXX */
return NGX_OK;
}
ngx_int_t
ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc)
{
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 increment insert count %ui", inc);
/* XXX */
return NGX_OK;
}
static ngx_array_t *
ngx_http_v3_get_dynamic_table(ngx_connection_t *c)
{
ngx_connection_t *pc;
ngx_http_v3_connection_t *h3c;
pc = c->qs->parent;
h3c = pc->data;
if (h3c->dynamic) {
return h3c->dynamic;
}
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 create dynamic table");
h3c->dynamic = ngx_array_create(pc->pool, 1, sizeof(ngx_http_v3_header_t));
return h3c->dynamic;
}
ngx_http_v3_header_t *
ngx_http_v3_lookup_table(ngx_connection_t *c, ngx_uint_t dynamic,
ngx_uint_t index)
{
ngx_uint_t nelts;
ngx_array_t *dt;
ngx_http_v3_header_t *table;
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 lookup %s[%ui]",
dynamic ? "dynamic" : "static", index);
if (dynamic) {
dt = ngx_http_v3_get_dynamic_table(c);
if (dt == NULL) {
return NULL;
}
table = dt->elts;
nelts = dt->nelts;
} else {
table = ngx_http_v3_static_table;
nelts = sizeof(ngx_http_v3_static_table)
/ sizeof(ngx_http_v3_static_table[0]);
}
if (index >= nelts) {
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 lookup out of bounds: %ui", nelts);
return NULL;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 lookup \"%V\":\"%V\"",
&table[index].name, &table[index].value);
return &table[index];
}
ngx_int_t
ngx_http_v3_check_insert_count(ngx_connection_t *c, ngx_uint_t insert_count)
{
size_t n;
ngx_http_v3_connection_t *h3c;
h3c = c->qs->parent->data;
n = h3c->dynamic ? h3c->dynamic->nelts : 0;
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 check insert count %ui/%ui", insert_count, n);
if (n < insert_count) {
/* XXX how to get notified? */
/* XXX wake all streams on any arrival to the encoder stream? */
return NGX_AGAIN;
}
return NGX_OK;
}
static ngx_int_t
ngx_http_v3_new_header(ngx_connection_t *c)
{
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http3 new dynamic header");
/* XXX report all waiting streams of a new header */
return NGX_OK;
}
ngx_int_t
ngx_http_v3_set_param(ngx_connection_t *c, uint64_t id, uint64_t value)
{
switch (id) {
case NGX_HTTP_V3_PARAM_MAX_TABLE_CAPACITY:
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 param QPACK_MAX_TABLE_CAPACITY:%uL", value);
break;
case NGX_HTTP_V3_PARAM_MAX_HEADER_LIST_SIZE:
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 param SETTINGS_MAX_HEADER_LIST_SIZE:%uL", value);
break;
case NGX_HTTP_V3_PARAM_BLOCKED_STREAMS:
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 param QPACK_BLOCKED_STREAMS:%uL", value);
break;
default:
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
"http3 param #%uL:%uL", id, value);
}
return NGX_OK;
}
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