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swoole_http_response.cc
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole_http_server.h"
extern "C" {
#include "ext/standard/url.h"
#include "ext/standard/sha1.h"
#include "ext/standard/php_var.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_math.h"
#include "ext/standard/php_array.h"
#include "ext/date/php_date.h"
#include "ext/standard/md5.h"
}
#include "swoole_base64.h"
#ifdef SW_HAVE_ZLIB
#include <zlib.h>
#endif
#ifdef SW_HAVE_BROTLI
#include <brotli/encode.h>
#endif
using swoole::coroutine::Socket;
using http_response = swoole::http::Response;
using http_context = swoole::http::Context;
zend_class_entry *swoole_http_response_ce;
static zend_object_handlers swoole_http_response_handlers;
static void http_build_header(http_context *ctx, swString *response, size_t body_length);
static ssize_t http_build_trailer(http_context *ctx, swString *response);
static inline void http_header_key_format(char *key, int length) {
int i, state = 0;
for (i = 0; i < length; i++) {
if (state == 0) {
if (key[i] >= 97 && key[i] <= 122) {
key[i] -= 32;
}
state = 1;
} else if (key[i] == '-') {
state = 0;
} else {
if (key[i] >= 65 && key[i] <= 90) {
key[i] += 32;
}
}
}
}
static inline bool http_has_crlf(const char *value, size_t length) {
/* new line/NUL character safety check */
for (size_t i = 0; i < length; i++) {
/* RFC 7230 ch. 3.2.4 deprecates folding support */
if (value[i] == '\n' || value[i] == '\r') {
php_swoole_error(E_WARNING, "Header may not contain more than a single header, new line detected");
return true;
}
if (value[i] == '\0') {
php_swoole_error(E_WARNING, "Header may not contain NUL bytes");
return true;
}
}
return false;
}
static inline swString *http_get_write_buffer(http_context *ctx) {
if (ctx->co_socket) {
swString *buffer = ((Socket *) ctx->private_data)->get_write_buffer();
if (buffer != nullptr) {
return buffer;
}
}
return swoole_http_buffer;
}
typedef struct {
http_context *ctx;
zend_object std;
} http_response_t;
static sw_inline http_response_t *php_swoole_http_response_fetch_object(zend_object *obj) {
return (http_response_t *) ((char *) obj - swoole_http_response_handlers.offset);
}
http_context *php_swoole_http_response_get_context(zval *zobject) {
return php_swoole_http_response_fetch_object(Z_OBJ_P(zobject))->ctx;
}
void php_swoole_http_response_set_context(zval *zobject, http_context *ctx) {
php_swoole_http_response_fetch_object(Z_OBJ_P(zobject))->ctx = ctx;
}
static void php_swoole_http_response_free_object(zend_object *object) {
http_response_t *response = php_swoole_http_response_fetch_object(object);
http_context *ctx = response->ctx;
zval ztmp; /* bool, not required to release it */
if (ctx) {
if (!ctx->end && !ctx->detached && sw_reactor()) {
if (ctx->response.status == 0) {
ctx->response.status = SW_HTTP_INTERNAL_SERVER_ERROR;
}
#ifdef SW_USE_HTTP2
if (ctx->http2) {
if (ctx->stream) {
swoole_http2_response_end(ctx, nullptr, &ztmp);
}
} else
#endif
{
if (ctx->co_socket) {
swoole_http_response_end(ctx, nullptr, &ztmp);
} else {
swServer *serv = (swServer *) ctx->private_data;
swConnection *conn = serv->get_connection_by_session_id(ctx->fd);
if (conn && !conn->closed && !conn->peer_closed) {
swoole_http_response_end(ctx, nullptr, &ztmp);
}
}
}
}
ctx->response.zobject = nullptr;
swoole_http_context_free(ctx);
}
zend_object_std_dtor(&response->std);
}
static zend_object *php_swoole_http_response_create_object(zend_class_entry *ce) {
http_response_t *response = (http_response_t *) zend_object_alloc(sizeof(http_response_t), ce);
zend_object_std_init(&response->std, ce);
object_properties_init(&response->std, ce);
response->std.handlers = &swoole_http_response_handlers;
return &response->std;
}
SW_EXTERN_C_BEGIN
static PHP_METHOD(swoole_http_response, write);
static PHP_METHOD(swoole_http_response, end);
static PHP_METHOD(swoole_http_response, sendfile);
static PHP_METHOD(swoole_http_response, redirect);
static PHP_METHOD(swoole_http_response, cookie);
static PHP_METHOD(swoole_http_response, rawcookie);
static PHP_METHOD(swoole_http_response, header);
static PHP_METHOD(swoole_http_response, initHeader);
static PHP_METHOD(swoole_http_response, detach);
static PHP_METHOD(swoole_http_response, create);
/**
* for WebSocket Client
*/
static PHP_METHOD(swoole_http_response, upgrade);
static PHP_METHOD(swoole_http_response, push);
static PHP_METHOD(swoole_http_response, recv);
static PHP_METHOD(swoole_http_response, close);
#ifdef SW_USE_HTTP2
static PHP_METHOD(swoole_http_response, trailer);
static PHP_METHOD(swoole_http_response, ping);
static PHP_METHOD(swoole_http_response, goaway);
#endif
static PHP_METHOD(swoole_http_response, status);
static PHP_METHOD(swoole_http_response, __destruct);
SW_EXTERN_C_END
// clang-format off
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_void, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_status, 0, 0, 1)
ZEND_ARG_INFO(0, http_code)
ZEND_ARG_INFO(0, reason)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_header, 0, 0, 2)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, ucwords)
ZEND_END_ARG_INFO()
#ifdef SW_USE_HTTP2
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_trailer, 0, 0, 2)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
#endif
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_cookie, 0, 0, 1)
ZEND_ARG_INFO(0, name)
ZEND_ARG_INFO(0, value)
ZEND_ARG_INFO(0, expires)
ZEND_ARG_INFO(0, path)
ZEND_ARG_INFO(0, domain)
ZEND_ARG_INFO(0, secure)
ZEND_ARG_INFO(0, httponly)
ZEND_ARG_INFO(0, samesite)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_write, 0, 0, 1)
ZEND_ARG_INFO(0, content)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_end, 0, 0, 0)
ZEND_ARG_INFO(0, content)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_sendfile, 0, 0, 1)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, offset)
ZEND_ARG_INFO(0, length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_redirect, 0, 0, 1)
ZEND_ARG_INFO(0, location)
ZEND_ARG_INFO(0, http_code)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_create, 0, 0, 1)
ZEND_ARG_INFO(0, server)
ZEND_ARG_INFO(0, fd)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http_response_push, 0, 0, 1)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, opcode)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO()
const zend_function_entry swoole_http_response_methods[] =
{
PHP_ME(swoole_http_response, initHeader, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, cookie, arginfo_swoole_http_response_cookie, ZEND_ACC_PUBLIC)
PHP_MALIAS(swoole_http_response, setCookie, cookie, arginfo_swoole_http_response_cookie, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, rawcookie, arginfo_swoole_http_response_cookie, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, status, arginfo_swoole_http_response_status, ZEND_ACC_PUBLIC)
PHP_MALIAS(swoole_http_response, setStatusCode, status, arginfo_swoole_http_response_status, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, header, arginfo_swoole_http_response_header, ZEND_ACC_PUBLIC)
PHP_MALIAS(swoole_http_response, setHeader, header, arginfo_swoole_http_response_header, ZEND_ACC_PUBLIC)
#ifdef SW_USE_HTTP2
PHP_ME(swoole_http_response, trailer, arginfo_swoole_http_response_trailer, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, ping, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, goaway, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
#endif
PHP_ME(swoole_http_response, write, arginfo_swoole_http_response_write, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, end, arginfo_swoole_http_response_end, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, sendfile, arginfo_swoole_http_response_sendfile, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, redirect, arginfo_swoole_http_response_redirect, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, detach, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, create, arginfo_swoole_http_response_create, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
/**
* WebSocket
*/
PHP_ME(swoole_http_response, upgrade, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, push, arginfo_swoole_http_response_push, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, recv, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, close, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http_response, __destruct, arginfo_swoole_http_void, ZEND_ACC_PUBLIC)
PHP_FE_END
};
// clang-format on
void php_swoole_http_response_minit(int module_number) {
SW_INIT_CLASS_ENTRY(
swoole_http_response, "Swoole\\Http\\Response", "swoole_http_response", nullptr, swoole_http_response_methods);
SW_SET_CLASS_SERIALIZABLE(swoole_http_response, zend_class_serialize_deny, zend_class_unserialize_deny);
SW_SET_CLASS_CLONEABLE(swoole_http_response, sw_zend_class_clone_deny);
SW_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_http_response, sw_zend_class_unset_property_deny);
SW_SET_CLASS_CUSTOM_OBJECT(swoole_http_response,
php_swoole_http_response_create_object,
php_swoole_http_response_free_object,
http_response_t,
std);
zend_declare_property_long(swoole_http_response_ce, ZEND_STRL("fd"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http_response_ce, ZEND_STRL("socket"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http_response_ce, ZEND_STRL("header"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http_response_ce, ZEND_STRL("cookie"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http_response_ce, ZEND_STRL("trailer"), ZEND_ACC_PUBLIC);
}
static PHP_METHOD(swoole_http_response, write) {
zval *zdata;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &zdata) == FAILURE) {
RETURN_FALSE;
}
http_context *ctx = php_swoole_http_response_get_and_check_context(ZEND_THIS);
if (UNEXPECTED(!ctx)) {
RETURN_FALSE;
}
#ifdef SW_USE_HTTP2
if (ctx->http2) {
php_swoole_error(E_WARNING, "HTTP2 client does not support HTTP-CHUNK");
RETURN_FALSE;
}
#endif
#ifdef SW_HAVE_COMPRESSION
ctx->accept_compression = 0;
#endif
swString *http_buffer = http_get_write_buffer(ctx);
if (!ctx->send_header) {
ctx->send_chunked = 1;
swString_clear(http_buffer);
http_build_header(ctx, http_buffer, 0);
if (!ctx->send(ctx, http_buffer->str, http_buffer->length)) {
ctx->send_chunked = 0;
ctx->send_header = 0;
RETURN_FALSE;
}
}
struct {
char *str;
size_t length;
} http_body;
size_t length = php_swoole_get_send_data(zdata, &http_body.str);
if (length == 0) {
php_swoole_error(E_WARNING, "data to send is empty");
RETURN_FALSE;
} else {
http_body.length = length;
}
// Why not enable compression?
// If both compression and chunked encoding are enabled,
// then the content stream is first compressed, then chunked;
// so the chunk encoding itself is not compressed,
// **and the data in each chunk is not compressed individually.**
// The remote endpoint then decodes the stream by concatenating the chunks and decompressing the result.
swString_clear(http_buffer);
char *hex_string = swoole_dec2hex(http_body.length, 16);
int hex_len = strlen(hex_string);
//"%.*s\r\n%.*s\r\n", hex_len, hex_string, body.length, body.str
http_buffer->append(hex_string, hex_len);
http_buffer->append(ZEND_STRL("\r\n"));
http_buffer->append(http_body.str, http_body.length);
http_buffer->append(ZEND_STRL("\r\n"));
sw_free(hex_string);
RETURN_BOOL(ctx->send(ctx, http_buffer->str, http_buffer->length));
}
static void http_build_header(http_context *ctx, swString *response, size_t body_length) {
char *buf = SwooleTG.buffer_stack->str;
size_t l_buf = SwooleTG.buffer_stack->size;
int n;
char *date_str;
assert(ctx->send_header == 0);
/**
* http status line
*/
if (!ctx->response.reason) {
n = sw_snprintf(buf, l_buf, "HTTP/1.1 %s\r\n", swHttp_get_status_message(ctx->response.status));
} else {
n = sw_snprintf(buf, l_buf, "HTTP/1.1 %d %s\r\n", ctx->response.status, ctx->response.reason);
}
response->append(buf, n);
/**
* http header
*/
zval *zheader =
sw_zend_read_property_ex(swoole_http_response_ce, ctx->response.zobject, SW_ZSTR_KNOWN(SW_ZEND_STR_HEADER), 0);
uint32_t header_flag = 0x0;
if (ZVAL_IS_ARRAY(zheader)) {
const char *key;
uint32_t keylen;
int type;
zval *zvalue;
SW_HASHTABLE_FOREACH_START2(Z_ARRVAL_P(zheader), key, keylen, type, zvalue) {
// TODO: numeric key name neccessary?
if (UNEXPECTED(!key || ZVAL_IS_NULL(zvalue))) {
continue;
}
if (SW_STRCASEEQ(key, keylen, "Server")) {
header_flag |= HTTP_HEADER_SERVER;
} else if (SW_STRCASEEQ(key, keylen, "Connection")) {
header_flag |= HTTP_HEADER_CONNECTION;
} else if (SW_STRCASEEQ(key, keylen, "Date")) {
header_flag |= HTTP_HEADER_DATE;
} else if (SW_STRCASEEQ(key, keylen, "Content-Length") && ctx->parser.method != PHP_HTTP_HEAD) {
continue; // ignore
} else if (SW_STRCASEEQ(key, keylen, "Content-Type")) {
header_flag |= HTTP_HEADER_CONTENT_TYPE;
} else if (SW_STRCASEEQ(key, keylen, "Transfer-Encoding")) {
header_flag |= HTTP_HEADER_TRANSFER_ENCODING;
}
if (!ZVAL_IS_NULL(zvalue)) {
zend::String str_value(zvalue);
n = sw_snprintf(
buf, l_buf, "%.*s: %.*s\r\n", (int) keylen, key, (int) str_value.len(), str_value.val());
response->append(buf, n);
}
}
SW_HASHTABLE_FOREACH_END();
(void) type;
}
// http cookies
zval *zcookie =
sw_zend_read_property_ex(swoole_http_response_ce, ctx->response.zobject, SW_ZSTR_KNOWN(SW_ZEND_STR_COOKIE), 0);
if (ZVAL_IS_ARRAY(zcookie)) {
zval *zvalue;
SW_HASHTABLE_FOREACH_START(Z_ARRVAL_P(zcookie), zvalue) {
if (Z_TYPE_P(zvalue) != IS_STRING) {
continue;
}
response->append(ZEND_STRL("Set-Cookie: "));
response->append(Z_STRVAL_P(zvalue), Z_STRLEN_P(zvalue));
response->append(ZEND_STRL("\r\n"));
}
SW_HASHTABLE_FOREACH_END();
}
if (!(header_flag & HTTP_HEADER_SERVER)) {
response->append(ZEND_STRL("Server: " SW_HTTP_SERVER_SOFTWARE "\r\n"));
}
// websocket protocol (subsequent header info is unnecessary)
if (ctx->upgrade == 1) {
response->append(ZEND_STRL("\r\n"));
ctx->send_header = 1;
return;
}
if (!(header_flag & HTTP_HEADER_CONNECTION)) {
if (ctx->keepalive) {
response->append(ZEND_STRL("Connection: keep-alive\r\n"));
} else {
response->append(ZEND_STRL("Connection: close\r\n"));
}
}
if (!(header_flag & HTTP_HEADER_CONTENT_TYPE)) {
response->append(ZEND_STRL("Content-Type: text/html\r\n"));
}
if (!(header_flag & HTTP_HEADER_DATE)) {
date_str = php_swoole_format_date((char *) ZEND_STRL(SW_HTTP_DATE_FORMAT), time(nullptr), 0);
n = sw_snprintf(buf, l_buf, "Date: %s\r\n", date_str);
response->append(buf, n);
efree(date_str);
}
if (ctx->send_chunked) {
SW_ASSERT(body_length == 0);
if (!(header_flag & HTTP_HEADER_TRANSFER_ENCODING)) {
response->append(ZEND_STRL("Transfer-Encoding: chunked\r\n"));
}
}
// Content-Length
else if (body_length > 0 || ctx->parser.method != PHP_HTTP_HEAD) {
#ifdef SW_HAVE_COMPRESSION
if (ctx->accept_compression) {
body_length = swoole_zlib_buffer->length;
}
#endif
n = sw_snprintf(buf, l_buf, "Content-Length: %zu\r\n", body_length);
response->append(buf, n);
}
#ifdef SW_HAVE_COMPRESSION
// http compress
if (ctx->accept_compression) {
const char *content_encoding = swoole_http_get_content_encoding(ctx);
response->append(ZEND_STRL("Content-Encoding: "));
response->append((char *) content_encoding, strlen(content_encoding));
response->append(ZEND_STRL("\r\n"));
}
#endif
response->append(ZEND_STRL("\r\n"));
ctx->send_header = 1;
}
static ssize_t http_build_trailer(http_context *ctx, swString *response) {
char *buf = SwooleTG.buffer_stack->str;
size_t l_buf = SwooleTG.buffer_stack->size;
int n;
ssize_t ret = 0;
zval *ztrailer =
sw_zend_read_property_ex(swoole_http_response_ce, ctx->response.zobject, SW_ZSTR_KNOWN(SW_ZEND_STR_TRAILER), 0);
uint32_t size = php_swoole_array_length_safe(ztrailer);
if (size > 0) {
const char *key;
uint32_t keylen;
int type;
zval *zvalue;
SW_HASHTABLE_FOREACH_START2(Z_ARRVAL_P(ztrailer), key, keylen, type, zvalue) {
if (UNEXPECTED(!key || ZVAL_IS_NULL(zvalue))) {
continue;
}
if (!ZVAL_IS_NULL(zvalue)) {
zend::String str_value(zvalue);
n = sw_snprintf(
buf, l_buf, "%.*s: %.*s\r\n", (int) keylen, key, (int) str_value.len(), str_value.val());
response->append(buf, n);
ret += n;
}
}
SW_HASHTABLE_FOREACH_END();
(void) type;
response->append(ZEND_STRL("\r\n"));
}
return ret;
}
#ifdef SW_HAVE_ZLIB
voidpf php_zlib_alloc(voidpf opaque, uInt items, uInt size) {
return (voidpf) safe_emalloc(items, size, 0);
}
void php_zlib_free(voidpf opaque, voidpf address) {
efree((void *) address);
}
#endif
#ifdef SW_HAVE_BROTLI
void *php_brotli_alloc(void *opaque, size_t size) {
return emalloc(size);
}
void php_brotli_free(void *opaque, void *address) {
efree(address);
}
#endif
#ifdef SW_HAVE_COMPRESSION
int swoole_http_response_compress(const char *data, size_t length, int method, int level) {
#ifdef SW_HAVE_ZLIB
int encoding;
#endif
if (0) {
}
#ifdef SW_HAVE_ZLIB
// gzip: 0x1f
else if (method == HTTP_COMPRESS_GZIP) {
encoding = 0x1f;
}
// deflate: -0xf
else if (method == HTTP_COMPRESS_DEFLATE) {
encoding = -0xf;
}
#endif
#ifdef SW_HAVE_BROTLI
else if (method == HTTP_COMPRESS_BR) {
if (level < BROTLI_MIN_QUALITY) {
level = BROTLI_MIN_QUALITY;
} else if (level > BROTLI_MAX_QUALITY) {
level = BROTLI_MAX_QUALITY;
}
size_t memory_size = BrotliEncoderMaxCompressedSize(length);
if (memory_size > swoole_zlib_buffer->size) {
if (!swoole_zlib_buffer->extend(memory_size)) {
return SW_ERR;
}
}
size_t input_size = length;
const uint8_t *input_buffer = (const uint8_t *) data;
size_t encoded_size = swoole_zlib_buffer->size;
uint8_t *encoded_buffer = (uint8_t *) swoole_zlib_buffer->str;
if (BROTLI_TRUE != BrotliEncoderCompress(level,
BROTLI_DEFAULT_WINDOW,
BROTLI_DEFAULT_MODE,
input_size,
input_buffer,
&encoded_size,
encoded_buffer)) {
swWarn("BrotliEncoderCompress() failed");
return SW_ERR;
} else {
swoole_zlib_buffer->length = encoded_size;
return SW_OK;
}
}
#endif
else {
swWarn("Unknown compression method");
return SW_ERR;
}
#ifdef SW_HAVE_ZLIB
if (level < Z_NO_COMPRESSION) {
level = Z_DEFAULT_COMPRESSION;
} else if (level == Z_NO_COMPRESSION) {
level = Z_BEST_SPEED;
} else if (level > Z_BEST_COMPRESSION) {
level = Z_BEST_COMPRESSION;
}
size_t memory_size = ((size_t)((double) length * (double) 1.015)) + 10 + 8 + 4 + 1;
if (memory_size > swoole_zlib_buffer->size) {
if (!swoole_zlib_buffer->extend(memory_size)) {
return SW_ERR;
}
}
z_stream zstream = {};
int status;
zstream.zalloc = php_zlib_alloc;
zstream.zfree = php_zlib_free;
status = deflateInit2(&zstream, level, Z_DEFLATED, encoding, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY);
if (status != Z_OK) {
swWarn("deflateInit2() failed, Error: [%d]", status);
return SW_ERR;
}
zstream.next_in = (Bytef *) data;
zstream.avail_in = length;
zstream.next_out = (Bytef *) swoole_zlib_buffer->str;
zstream.avail_out = swoole_zlib_buffer->size;
status = deflate(&zstream, Z_FINISH);
deflateEnd(&zstream);
if (status != Z_STREAM_END) {
swWarn("deflate() failed, Error: [%d]", status);
return SW_ERR;
}
swoole_zlib_buffer->length = zstream.total_out;
swoole_zlib_buffer->offset = 0;
return SW_OK;
#endif
}
#endif
static PHP_METHOD(swoole_http_response, initHeader) {
http_context *ctx = php_swoole_http_response_get_and_check_context(ZEND_THIS);
if (UNEXPECTED(!ctx)) {
RETURN_FALSE;
}
zval *zresponse_object = ctx->response.zobject;
swoole_http_init_and_read_property(
swoole_http_response_ce, zresponse_object, &ctx->response.zheader, ZEND_STRL("header"));
swoole_http_init_and_read_property(
swoole_http_response_ce, zresponse_object, &ctx->response.zcookie, ZEND_STRL("cookie"));
swoole_http_init_and_read_property(
swoole_http_response_ce, zresponse_object, &ctx->response.ztrailer, ZEND_STRL("trailer"));
RETURN_TRUE;
}
static PHP_METHOD(swoole_http_response, end) {
http_context *ctx = php_swoole_http_response_get_and_check_context(ZEND_THIS);
if (UNEXPECTED(!ctx)) {
RETURN_FALSE;
}
zval *zdata = nullptr;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_ZVAL_EX(zdata, 1, 0)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
#ifdef SW_USE_HTTP2
if (ctx->http2) {
swoole_http2_response_end(ctx, zdata, return_value);
} else
#endif
{
swoole_http_response_end(ctx, zdata, return_value);
}
}
void swoole_http_response_send_trailer(http_context *ctx, zval *return_value) {
swString *http_buffer = http_get_write_buffer(ctx);
swString_clear(http_buffer);
if (http_build_trailer(ctx, http_buffer) == 0) {
return;
}
if (!ctx->send(ctx, http_buffer->str, http_buffer->length)) {
ctx->end = 1;
ctx->close(ctx);
RETURN_FALSE;
}
}
void swoole_http_response_end(http_context *ctx, zval *zdata, zval *return_value) {
struct {
char *str;
size_t length;
} http_body;
if (zdata) {
http_body.length = php_swoole_get_send_data(zdata, &http_body.str);
} else {
http_body.length = 0;
http_body.str = nullptr;
}
if (ctx->send_chunked) {
if (ctx->send_trailer) {
if (!ctx->send(ctx, ZEND_STRL("0\r\n"))) {
RETURN_FALSE;
}
swoole_http_response_send_trailer(ctx, return_value);
ctx->send_trailer = 0;
} else {
if (!ctx->send(ctx, ZEND_STRL("0\r\n\r\n"))) {
RETURN_FALSE;
}
}
ctx->send_chunked = 0;
}
// no http chunk
else {
swString *http_buffer = http_get_write_buffer(ctx);
swString_clear(http_buffer);
#ifdef SW_HAVE_COMPRESSION
if (ctx->accept_compression) {
if (http_body.length == 0 ||
swoole_http_response_compress(
http_body.str, http_body.length, ctx->compression_method, ctx->compression_level) != SW_OK) {
ctx->accept_compression = 0;
}
}
#endif
http_build_header(ctx, http_buffer, http_body.length);
char *send_body_str;
size_t send_body_len;
if (http_body.length > 0) {
#ifdef SW_HAVE_COMPRESSION
if (ctx->accept_compression) {
send_body_str = swoole_zlib_buffer->str;
send_body_len = swoole_zlib_buffer->length;
} else
#endif
{
send_body_str = http_body.str;
send_body_len = http_body.length;
}
/**
*
*/
#ifdef SW_HTTP_SEND_TWICE
if (send_body_len < SwooleG.pagesize)
#endif
{
if (http_buffer->append(send_body_str, send_body_len) < 0) {
ctx->send_header = 0;
RETURN_FALSE;
}
}
#ifdef SW_HTTP_SEND_TWICE
else {
if (!ctx->send(ctx, http_buffer->str, http_buffer->length)) {
ctx->send_header = 0;
RETURN_FALSE;
}
if (!ctx->send(ctx, send_body_str, send_body_len)) {
ctx->end = 1;
ctx->close(ctx);
RETURN_FALSE;
}
goto _skip_copy;
}
#endif
}
if (!ctx->send(ctx, http_buffer->str, http_buffer->length)) {
ctx->end = 1;
ctx->close(ctx);
RETURN_FALSE;
}
}
#ifdef SW_HTTP_SEND_TWICE
_skip_copy:
#endif
if (ctx->upgrade && !ctx->co_socket) {
swServer *serv = (swServer *) ctx->private_data;
swConnection *conn = serv->get_connection_by_session_id(ctx->fd);
if (conn && conn->websocket_status == WEBSOCKET_STATUS_HANDSHAKE) {
if (ctx->response.status == 101) {
conn->websocket_status = WEBSOCKET_STATUS_ACTIVE;
} else {
/* connection should be closed when handshake failed */
conn->websocket_status = WEBSOCKET_STATUS_NONE;
ctx->keepalive = 0;
}
}
}
if (!ctx->keepalive) {
ctx->close(ctx);
}
ctx->end = 1;
RETURN_TRUE;
}
bool swoole_http_response_set_header(
http_context *ctx, const char *k, size_t klen, const char *v, size_t vlen, bool ucwords) {
if (UNEXPECTED(klen > SW_HTTP_HEADER_KEY_SIZE - 1)) {
php_swoole_error(E_WARNING, "header key is too long");
return false;
}
if (http_has_crlf(v, vlen)) {
return false;
}
zval *zheader = swoole_http_init_and_read_property(
swoole_http_response_ce, ctx->response.zobject, &ctx->response.zheader, ZEND_STRL("header"));
if (ucwords) {
char key_buf[SW_HTTP_HEADER_KEY_SIZE];
strncpy(key_buf, k, klen)[klen] = '\0';
#ifdef SW_USE_HTTP2
if (ctx->http2) {
swoole_strtolower(key_buf, klen);
} else
#endif
{
http_header_key_format(key_buf, klen);
}
if (UNEXPECTED(!v)) {
add_assoc_null_ex(zheader, key_buf, klen);
} else {
add_assoc_stringl_ex(zheader, key_buf, klen, (char *) v, vlen);
}
} else {
if (UNEXPECTED(!v)) {
add_assoc_null_ex(zheader, k, klen);
} else {
add_assoc_stringl_ex(zheader, k, klen, (char *) v, vlen);
}
}
return true;
}
static PHP_METHOD(swoole_http_response, sendfile) {
http_context *ctx = php_swoole_http_response_get_and_check_context(ZEND_THIS);
if (UNEXPECTED(!ctx)) {
RETURN_FALSE;
}
if (ctx->send_chunked) {
php_swoole_fatal_error(E_WARNING, "can't use sendfile when HTTP chunk is enabled");
RETURN_FALSE;
}
char *file;
size_t l_file;
zend_long offset = 0;
zend_long length = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|ll", &file, &l_file, &offset, &length) == FAILURE) {
RETURN_FALSE;
}
if (l_file == 0) {
php_swoole_error(E_WARNING, "file name is empty");
RETURN_FALSE;
}
struct stat file_stat;
if (stat(file, &file_stat) < 0) {
php_swoole_sys_error(E_WARNING, "stat(%s) failed", file);
RETURN_FALSE;
}
if (file_stat.st_size < offset) {
php_swoole_error(E_WARNING, "parameter $offset[" ZEND_LONG_FMT "] exceeds the file size", offset);
RETURN_FALSE;
}
if (length > file_stat.st_size - offset) {
php_swoole_error(E_WARNING, "parameter $length[" ZEND_LONG_FMT "] exceeds the file size", length);
RETURN_FALSE;
}
if (length == 0) {
length = file_stat.st_size - offset;
}
#ifdef SW_USE_HTTP2
if (!ctx->http2)
#endif
if (!ctx->send_header) {
#ifdef SW_HAVE_COMPRESSION
ctx->accept_compression = 0;
#endif
swString *http_buffer = http_get_write_buffer(ctx);
swString_clear(http_buffer);
zval *zheader = sw_zend_read_and_convert_property_array(
swoole_http_response_ce, ctx->response.zobject, ZEND_STRL("header"), 0);
if (!zend_hash_str_exists(Z_ARRVAL_P(zheader), ZEND_STRL("Content-Type"))) {
add_assoc_string(zheader, "Content-Type", (char *) swoole::mime_type::get(file).c_str());
}
http_build_header(ctx, http_buffer, length);
if (!ctx->send(ctx, http_buffer->str, http_buffer->length)) {
ctx->send_header = 0;
RETURN_FALSE;
}
}
if (length != 0) {
if (!ctx->sendfile(ctx, file, l_file, offset, length)) {
ctx->close(ctx);
RETURN_FALSE;
}
}
ctx->end = 1;
if (!ctx->keepalive) {
ctx->close(ctx);
}
RETURN_TRUE;
}
static void php_swoole_http_response_cookie(INTERNAL_FUNCTION_PARAMETERS, const bool url_encode) {
char *name, *value = nullptr, *path = nullptr, *domain = nullptr, *samesite = nullptr;
zend_long expires = 0;
size_t name_len, value_len = 0, path_len = 0, domain_len = 0, samesite_len = 0;
zend_bool secure = 0, httponly = 0;
ZEND_PARSE_PARAMETERS_START(1, 8)
Z_PARAM_STRING(name, name_len)
Z_PARAM_OPTIONAL
Z_PARAM_STRING(value, value_len)
Z_PARAM_LONG(expires)
Z_PARAM_STRING(path, path_len)
Z_PARAM_STRING(domain, domain_len)
Z_PARAM_BOOL(secure)
Z_PARAM_BOOL(httponly)
Z_PARAM_STRING(samesite, samesite_len)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
http_context *ctx = php_swoole_http_response_get_and_check_context(ZEND_THIS);
if (UNEXPECTED(!ctx)) {
RETURN_FALSE;
}
int cookie_size = name_len /* + value_len */ + path_len + domain_len + 100;
char *cookie = nullptr, *date = nullptr;
if (name_len > 0 && strpbrk(name, "=,; \t\r\n\013\014") != nullptr) {
php_swoole_error(E_WARNING, "Cookie names can't contain any of the following '=,; \\t\\r\\n\\013\\014'");
RETURN_FALSE;
}
if (!url_encode && http_has_crlf(value, value_len)) {
RETURN_FALSE;
}
if (value_len == 0) {
cookie = (char *) emalloc(cookie_size);
date = php_swoole_format_date((char *) ZEND_STRL("D, d-M-Y H:i:s T"), 1, 0);
snprintf(cookie, cookie_size, "%s=deleted; expires=%s", name, date);
efree(date);
} else {
if (url_encode) {
char *encoded_value;
int encoded_value_len;
encoded_value = php_swoole_url_encode(value, value_len, &encoded_value_len);
cookie_size += encoded_value_len;
cookie = (char *) emalloc(cookie_size);
snprintf(cookie, cookie_size, "%s=%s", name, encoded_value);
efree(encoded_value);
} else {
cookie_size += value_len;
cookie = (char *) emalloc(cookie_size);
snprintf(cookie, cookie_size, "%s=%s", name, value);