Mini Shell
/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2015 The Swoole Group |
+----------------------------------------------------------------------+
| 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 |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <mikan.tenny@gmail.com> |
+----------------------------------------------------------------------+
*/
#pragma once
#include "thirdparty/swoole_http_parser.h"
#include "thirdparty/multipart_parser.h"
#include <unordered_map>
#ifdef SW_HAVE_ZLIB
#include <zlib.h>
#define SW_ZLIB_ENCODING_RAW -0xf
#define SW_ZLIB_ENCODING_GZIP 0x1f
#define SW_ZLIB_ENCODING_DEFLATE 0x0f
#define SW_ZLIB_ENCODING_ANY 0x2f
#endif
#ifdef SW_USE_HTTP2
#include "thirdparty/nghttp2/nghttp2.h"
#endif
enum http_header_flag
{
HTTP_HEADER_SERVER = 1u << 1,
HTTP_HEADER_CONNECTION = 1u << 2,
HTTP_HEADER_CONTENT_LENGTH = 1u << 3,
HTTP_HEADER_DATE = 1u << 4,
HTTP_HEADER_CONTENT_TYPE = 1u << 5,
HTTP_HEADER_TRANSFER_ENCODING = 1u << 6,
HTTP_HEADER_ACCEPT_ENCODING = 1u << 7,
};
enum http_compress_method
{
HTTP_COMPRESS_NONE,
HTTP_COMPRESS_GZIP,
HTTP_COMPRESS_DEFLATE,
HTTP_COMPRESS_BR,
};
struct http_request
{
int version;
char *path;
uint32_t path_len;
const char *ext;
uint32_t ext_len;
uint8_t post_form_urlencoded;
zval zdata;
size_t body_length;
#ifdef SW_USE_HTTP2
swString *h2_data_buffer;
#endif
// Notice: Do not change the order
zval *zobject;
zval _zobject;
zval *zserver;
zval _zserver;
zval *zheader;
zval _zheader;
zval *zget;
zval _zget;
zval *zpost;
zval _zpost;
zval *zcookie;
zval _zcookie;
zval *zfiles;
zval _zfiles;
zval *ztmpfiles;
zval _ztmpfiles;
};
struct http_response
{
enum swoole_http_method method;
int version;
int status;
char* reason;
// Notice: Do not change the order
zval *zobject;
zval _zobject;
zval *zheader;
zval _zheader;
zval *zcookie;
zval _zcookie;
zval *ztrailer;
zval _ztrailer;
};
struct http_context
{
int fd;
uint32_t completed :1;
uint32_t end :1;
uint32_t send_header :1;
#ifdef SW_HAVE_COMPRESSION
uint32_t enable_compression :1;
uint32_t accept_compression :1;
#endif
uint32_t chunk :1;
uint32_t keepalive :1;
uint32_t http2 :1;
uint32_t websocket :1;
#ifdef SW_HAVE_ZLIB
uint32_t websocket_compression :1;
#endif
uint32_t upgrade :1;
uint32_t detached :1;
uint32_t parse_cookie :1;
uint32_t parse_body :1;
uint32_t parse_files :1;
uint32_t co_socket :1;
#ifdef SW_HAVE_COMPRESSION
int8_t compression_level;
int8_t compression_method;
#endif
#ifdef SW_USE_HTTP2
void* stream;
#endif
http_request request;
http_response response;
swoole_http_parser parser;
multipart_parser *mt_parser;
uint16_t input_var_num;
char *current_header_name;
size_t current_header_name_len;
char *current_input_name;
size_t current_input_name_len;
char *current_form_data_name;
size_t current_form_data_name_len;
zval *current_multipart_header;
const char *upload_tmp_dir;
void *private_data;
void *private_data_2;
bool (*send)(http_context* ctx, const char *data, size_t length);
bool (*sendfile)(http_context* ctx, const char *file, uint32_t l_file, off_t offset, size_t length);
bool (*close)(http_context* ctx);
};
class http2_stream
{
public:
http_context* ctx;
// uint8_t priority; // useless now
uint32_t id;
// flow control
uint32_t send_window;
uint32_t recv_window;
http2_stream(int _fd, uint32_t _id);
~http2_stream();
void reset(uint32_t error_code);
};
class http2_session
{
public:
int fd;
std::unordered_map<int, http2_stream*> streams;
nghttp2_hd_inflater *inflater = nullptr;
nghttp2_hd_deflater *deflater = nullptr;
uint32_t header_table_size;
uint32_t send_window;
uint32_t recv_window;
uint32_t max_concurrent_streams;
uint32_t max_frame_size;
http_context *default_ctx = nullptr;
void *private_data = nullptr;
void (*handle)(http2_session *, http2_stream *) = nullptr;
http2_session(int _fd);
~http2_session();
};
extern zend_class_entry *swoole_http_server_ce;
extern zend_class_entry *swoole_http_request_ce;
extern zend_class_entry *swoole_http_response_ce;
extern swString *swoole_http_buffer;
extern swString *swoole_http_form_data_buffer;
#ifdef SW_HAVE_COMPRESSION
extern swString *swoole_zlib_buffer;
#endif
#define http_strncasecmp(const_str, at, length) \
((length >= sizeof(const_str)-1) && \
(strncasecmp(at, ZEND_STRL(const_str)) == 0))
http_context* swoole_http_context_new(int fd);
http_context* swoole_http_context_get(zval *zobject, const bool check_end);
void swoole_http_context_free(http_context *ctx);
void swoole_http_context_copy(http_context *src, http_context *dst);
static sw_inline zval* swoole_http_init_and_read_property(zend_class_entry *ce, zval *zobject, zval** zproperty_store_pp, const char *name, size_t name_len)
{
if (UNEXPECTED(!*zproperty_store_pp))
{
// Notice: swoole http server properties can not be unset anymore, so we can read it without checking
zval rv, *property = zend_read_property(ce, zobject, name, name_len, 0, &rv);
array_init(property);
*zproperty_store_pp = (zval *) (zproperty_store_pp + 1);
**zproperty_store_pp = *property;
}
return *zproperty_store_pp;
}
int swoole_http_parse_form_data(http_context *ctx, const char *boundary_str, int boundary_len);
void swoole_http_parse_cookie(zval *array, const char *at, size_t length);
void swoole_http_server_init_context(swServer *serv, http_context *ctx);
size_t swoole_http_requset_parse(http_context *ctx, const char *data, size_t length);
bool swoole_http_response_set_header(http_context *ctx, const char *k, size_t klen, const char *v, size_t vlen, bool ucwords);
void swoole_http_response_end(http_context *ctx, zval *zdata, zval *return_value);
#ifdef SW_HAVE_COMPRESSION
int swoole_http_response_compress(swString *body, int method, int level);
void swoole_http_get_compression_method(http_context *ctx, const char *accept_encoding, size_t length);
const char* swoole_http_get_content_encoding(http_context *ctx);
#endif
#ifdef SW_HAVE_ZLIB
static sw_inline voidpf php_zlib_alloc(voidpf opaque, uInt items, uInt size)
{
return (voidpf) safe_emalloc(items, size, 0);
}
static sw_inline void php_zlib_free(voidpf opaque, voidpf address)
{
efree((void *)address);
}
#endif
#ifdef SW_HAVE_BROTLI
static sw_inline void* php_brotli_alloc(void* opaque, size_t size)
{
return emalloc(size);
}
static sw_inline void php_brotli_free(void* opaque, void* address)
{
efree(address);
}
#endif
static int http_parse_set_cookies(const char *at, size_t length, zval *cookies, zval *zset_cookie_headers)
{
const char *key = at;
zval val;
size_t key_len = 0, val_len = 0;
const char *p, *eof = at + length;
// key
p = (char *) memchr(at, '=', length);
if (p)
{
key_len = p - at;
}
if (key_len == 0 || key_len >= length - 1)
{
swWarn("cookie key format is wrong");
return SW_ERR;
}
if (key_len > SW_HTTP_COOKIE_KEYLEN)
{
swWarn("cookie[%.8s...] name length %zu is exceed the max name len %d", key, key_len, SW_HTTP_COOKIE_KEYLEN);
return SW_ERR;
}
add_next_index_stringl(zset_cookie_headers, (char *) at, length);
// val
p++;
eof = (char*) memchr(p, ';', at + length - p);
if (!eof)
{
eof = at + length;
}
val_len = eof - p;
if (val_len > SW_HTTP_COOKIE_VALLEN)
{
swWarn("cookie[%.*s]'s value[v=%.8s...] length %d is exceed the max value len %d", (int) key_len, key, p, (int) val_len, SW_HTTP_COOKIE_VALLEN);
return SW_ERR;
}
ZVAL_STRINGL(&val, p, val_len);
Z_STRLEN(val) = php_url_decode(Z_STRVAL(val), val_len);
add_assoc_zval_ex(cookies, at, key_len, &val);
return SW_OK;
}
int swoole_websocket_onMessage(swServer *serv, swEventData *req);
int swoole_websocket_onHandshake(swServer *serv, swListenPort *port, http_context *ctx);
void swoole_websocket_onOpen(http_context *ctx);
void swoole_websocket_onRequest(http_context *ctx);
bool swoole_websocket_handshake(http_context *ctx);
#ifdef SW_USE_HTTP2
int swoole_http2_server_onFrame(swServer *serv, swConnection *conn, swEventData *req);
int swoole_http2_server_parse(http2_session *client, char *buf);
int swoole_http2_server_do_response(http_context *ctx, swString *body);
void swoole_http2_server_session_free(swConnection *conn);
void swoole_http2_response_end(http_context *ctx, zval *zdata, zval *return_value);
int swoole_http2_server_ping(http_context *ctx);
namespace swoole { namespace http2 {
//-----------------------------------namespace begin--------------------------------------------
class headers
{
public:
headers(size_t size) : size(size), index(0)
{
nvs = (nghttp2_nv *) ecalloc(size, sizeof(nghttp2_nv));
}
inline nghttp2_nv* get()
{
return nvs;
}
inline size_t len()
{
return index;
}
void reserve_one()
{
index++;
}
inline void add(
size_t index,
const char *name, size_t name_len,
const char *value, size_t value_len,
const uint8_t flags = NGHTTP2_NV_FLAG_NONE)
{
if (sw_likely(index < size || nvs[index].name == nullptr))
{
nghttp2_nv *nv = &nvs[index];
name = zend_str_tolower_dup(name, name_len); // auto to lower
nv->name = (uchar*) name;
nv->namelen = name_len;
nv->value = (uchar*) emalloc(value_len);
memcpy(nv->value, value, value_len);
nv->valuelen = value_len;
nv->flags = flags | NGHTTP2_NV_FLAG_NO_COPY_NAME | NGHTTP2_NV_FLAG_NO_COPY_VALUE;
swTraceLog(SW_TRACE_HTTP2,"name=(%zu)[%.*s], value=(%zu)[%.*s]", name_len, (int) name_len, name, value_len, (int) value_len, value);
}
else
{
php_swoole_fatal_error(E_WARNING, "unexpect http2 header [%.*s] (duplicated or overflow)", (int) name_len, name);
}
}
inline void add(
const char *name, size_t name_len,
const char *value, size_t value_len,
const uint8_t flags = NGHTTP2_NV_FLAG_NONE
)
{
add(index++, name, name_len, value, value_len, flags);
}
~headers()
{
for (size_t i = 0; i < size; ++i)
{
if (sw_likely(nvs[i].name/* && nvs[i].value */))
{
efree((void *) nvs[i].name);
efree((void *) nvs[i].value);
}
}
efree(nvs);
}
private:
nghttp2_nv *nvs;
size_t size;
size_t index;
};
//-----------------------------------namespace end--------------------------------------------
}}
#endif
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