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?? php_swoole_ftp_def.h(1.17 KB)
?? php_swoole_http.h(16.25 KB)
?? php_swoole_http_server.h(4.12 KB)
?? php_swoole_library.h(425.52 KB)
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?? php_swoole_process.h(1.52 KB)
?? php_swoole_server.h(6.87 KB)
?? php_swoole_sqlite.h(2.2 KB)
?? php_swoole_ssh2.h(2.31 KB)
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?? php_swoole_stdext.h(1.84 KB)
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Editing: php_swoole_http.h

/*
 +----------------------------------------------------------------------+
 | 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  <rango@swoole.com>                             |
 +----------------------------------------------------------------------+
 */

#pragma once

#include "swoole_http.h"
#include "swoole_http2.h"
#include "swoole_llhttp.h"
#include "swoole_websocket.h"

#include "thirdparty/multipart_parser.h"

#include <unordered_map>
#include <unordered_set>

#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
#if MAX_MEM_LEVEL >= 8
#define SW_ZLIB_DEF_MEM_LEVEL 8
#else
#define SW_ZLIB_DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
#endif

#ifdef SW_HAVE_BROTLI
#include <brotli/encode.h>
#include <brotli/decode.h>
#endif

#ifdef SW_HAVE_ZSTD
#include <zstd.h>
#endif

#define HTTP_API

#include <nghttp2/nghttp2.h>

enum swHttpHeaderFlag {
    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,
    HTTP_HEADER_CONTENT_ENCODING = 1u << 8,
};

enum swHttpCompressMethod {
    HTTP_COMPRESS_NONE,
    HTTP_COMPRESS_GZIP,
    HTTP_COMPRESS_DEFLATE,
    HTTP_COMPRESS_BR,
    HTTP_COMPRESS_ZSTD,
};

enum swHttpErrorStatusCode {
    HTTP_ESTATUS_CONNECT_FAILED = -1,
    HTTP_ESTATUS_REQUEST_TIMEOUT = -2,
    HTTP_ESTATUS_SERVER_RESET = -3,
    HTTP_ESTATUS_SEND_FAILED = -4,
};

namespace swoole {
class Server;
class Coroutine;

namespace http2 {
class Stream;
class Session;
}  // namespace http2

namespace http {
struct Request {
    int version;
    char *path;
    uint32_t path_len;
    const char *ext;
    uint32_t ext_len;
    uint8_t post_form_urlencoded;

zval zdata;
    const char *body_at;
    size_t body_length;
    String *chunked_body;
    String *h2_data_buffer;

// 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 Response {
    enum llhttp_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 Context {
    SessionId fd;
    uchar completed : 1;
    uchar end_ : 1;
    uchar send_header_ : 1;
#ifdef SW_HAVE_COMPRESSION
    uchar enable_compression : 1;
    uchar accept_compression : 1;
    uchar content_compressed : 1;
#endif
    uchar send_chunked : 1;
    uchar recv_chunked : 1;
    uchar send_trailer_ : 1;
    uchar keepalive : 1;
    uchar websocket : 1;
    uchar websocket_compression : 1;
    uchar upgrade : 1;
    uchar detached : 1;
    uchar parse_cookie : 1;
    uchar parse_body : 1;
    uchar parse_files : 1;
    uchar http2 : 1;

zval zsocket;
    uint32_t stream_id;
    String *write_buffer;

#ifdef SW_HAVE_COMPRESSION
    int8_t compression_level;
    int8_t compression_method;
    uint32_t compression_min_length;
    std::shared_ptr<std::unordered_set<std::string>> compression_types;
    std::shared_ptr<String> zlib_buffer;
#endif

std::shared_ptr<String> continue_frame_buffer;
    WebSocketSettings websocket_settings;

Request request;
    Response response;

llhttp_t parser;
    multipart_parser *mt_parser;

uint16_t input_var_num;
    const 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 *tmp_content_type;
    size_t tmp_content_type_len;
    String *form_data_buffer;

std::string upload_tmp_dir;

// The `private_data` pointer is used to store Server or CoSocket object
    void *private_data;
    // The `private_data_2` pointer is used to save callback function
    void *private_data_2;
    bool (*send)(Context *ctx, const char *data, size_t length);
    bool (*sendfile)(Context *ctx, zend_string *file, off_t offset, size_t length);
    bool (*close)(Context *ctx);
    bool (*onBeforeRequest)(Context *ctx);
    void (*onAfterResponse)(Context *ctx);

void init(Server *server);
    void init(zval *zsock);
    void bind(Server *server);
    void bind(zval *zsock);
    void copy(const Context *ctx);
    bool init_multipart_parser(const char *boundary_str, int boundary_len);
    bool get_multipart_boundary(
        const char *at, size_t length, size_t offset, char **out_boundary_str, int *out_boundary_len);
    size_t parse(const char *data, size_t length);
    bool parse_multipart_data(const char *at, size_t length) const;

HTTP_API bool set_header(const char *, size_t, zval *, bool);
    HTTP_API bool set_header(const char *, size_t, const char *, size_t, bool);
    HTTP_API bool set_header(const char *, size_t, const std::string &, bool);
    HTTP_API void end(zend_string *sdata, zval *return_value);
    HTTP_API void write(zend_string *sdata, zval *return_value);
    HTTP_API bool send_file(zend_string *file, off_t offset, size_t length);

String *get_write_buffer();

String *get_http2_data_buffer() {
        String *buffer = request.h2_data_buffer;
        if (!buffer) {
            buffer = new String(SW_HTTP2_DATA_BUFFER_SIZE);
            request.h2_data_buffer = buffer;
        }
        return buffer;
    }

size_t get_http2_data_length() {
        if (request.h2_data_buffer) {
            return request.h2_data_buffer->length;
        } else {
            return 0;
        }
    }

size_t get_content_length() const {
        return parser.content_length;
    }

bool is_co_socket() const {
        return !ZVAL_IS_NULL(&zsocket);
    }

Server *get_async_server() const {
        return static_cast<Server *>(private_data);
    }

SocketImpl *get_co_socket() const {
        return static_cast<SocketImpl *>(private_data);
    }

#ifdef SW_HAVE_COMPRESSION
    void set_compression_method(const char *accept_encoding, size_t length);
    const char *get_content_encoding() const;
    bool compress(const char *data, size_t length);
#endif

bool is_available() const;
    void free();

private:
    void build_header(String *http_buffer, const char *body, size_t length);
    ssize_t build_trailer(String *http_buffer) const;
    void send_trailer(zval *return_value);
};

class Cookie {
    bool encode_;
    smart_str buffer_ = {};

protected:
    zend_string *name = nullptr;
    zend_string *value = nullptr;
    zend_string *path = nullptr;
    zend_string *domain = nullptr;
    zend_string *sameSite = nullptr;
    zend_string *priority = nullptr;
    zend_long expires = 0;
    zend_bool secure = false;
    zend_bool httpOnly = false;
    zend_bool partitioned = false;

public:
    explicit Cookie(bool _encode = true) {
        encode_ = _encode;
    }
    Cookie *withName(zend_string *);
    Cookie *withExpires(zend_long);
    Cookie *withSecure(zend_bool);
    Cookie *withHttpOnly(zend_bool);
    Cookie *withPartitioned(zend_bool);
    Cookie *withValue(zend_string *);
    Cookie *withPath(zend_string *);
    Cookie *withDomain(zend_string *);
    Cookie *withSameSite(zend_string *);
    Cookie *withPriority(zend_string *);
    void reset();
    void toArray(zval *return_value) const;
    zend_string *toString();
    ~Cookie();
};

}  // namespace http

namespace http2 {
class Stream {
  public:
    http::Context *ctx;
    // uint8_t priority; // useless now
    uint32_t id;
    // flow control
    uint32_t remote_window_size;
    uint32_t local_window_size;
    Coroutine *waiting_coroutine = nullptr;

Stream(const Session *client, uint32_t _id);
    ~Stream();

bool send_header(const String *body, bool end_stream) const;
    bool send_body(const String *body,
                   bool end_stream,
                   const std::shared_ptr<Session> &session,
                   off_t offset = 0,
                   size_t length = 0);
    bool send_end_stream_data_frame() const;
    bool send_trailer() const;

void reset(uint32_t error_code) const;
};

class Session {
  public:
    SessionId fd;
    std::unordered_map<uint32_t, std::shared_ptr<Stream>> streams;

nghttp2_hd_inflater *inflater = nullptr;
    nghttp2_hd_deflater *deflater = nullptr;

Settings local_settings = {};
    Settings remote_settings = {};

// flow control
    uint32_t remote_window_size;
    uint32_t local_window_size;

uint32_t max_body_size;
    uint32_t last_stream_id;
    bool shutting_down;
    bool is_coro;

http::Context *default_ctx = nullptr;
    void *private_data = nullptr;

void (*handle)(const std::shared_ptr<Session> &, const std::shared_ptr<Stream> &) = nullptr;

explicit Session(SessionId _fd);
    ~Session();
    std::shared_ptr<Stream> create_stream(uint32_t stream_id);
    std::shared_ptr<Stream> get_stream(uint32_t stream_id);
    bool remove_stream(uint32_t stream_id);
};
}  // namespace http2
}  // namespace swoole

extern zend_class_entry *swoole_http_request_ce;
extern zend_class_entry *swoole_http_response_ce;
extern zend_class_entry *swoole_http_cookie_ce;

swoole::http::Context *swoole_http_context_new(swoole::SessionId fd);
swoole::http::Cookie *php_swoole_http_get_cooke_safety(const zval *zobject);

/**
 *  These class properties cannot be modified by the user before assignment, such as Swoole\\Http\\Request.
 *  So we can use this function to init property.
 */
static sw_inline zval *swoole_http_init_and_read_property(const zend_class_entry *ce,
                                                          const zval *zobject,
                                                          zval **zproperty_store_pp,
                                                          zend_string *name,
                                                          int size = HT_MIN_SIZE) {
    if (UNEXPECTED(!*zproperty_store_pp)) {
        zval *zv = zend_hash_find(&ce->properties_info, name);
        auto *property_info = (zend_property_info *) Z_PTR_P(zv);
        zval *property = OBJ_PROP(SW_Z8_OBJ_P(zobject), property_info->offset);
        array_init_size(property, size);
        *zproperty_store_pp = (zval *) (zproperty_store_pp + 1);
        **zproperty_store_pp = *property;
    }
    return *zproperty_store_pp;
}

static sw_inline zval *swoole_http_init_and_read_property(
    zend_class_entry *ce, const 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, SW_Z8_OBJ_P(zobject), name, name_len, false, &rv);
        array_init(property);
        *zproperty_store_pp = (zval *) (zproperty_store_pp + 1);
        **zproperty_store_pp = *property;
    }
    return *zproperty_store_pp;
}

static sw_inline bool swoole_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;
}

void swoole_http_parse_cookie(zval *array, const char *at, size_t length);
bool swoole_http_token_list_contains_value(const char *at, size_t length, const char *value);

swoole::http::Context *php_swoole_http_request_get_context(const zval *zobject);
void php_swoole_http_request_set_context(const zval *zobject, swoole::http::Context *ctx);
swoole::http::Context *php_swoole_http_response_get_context(const zval *zobject);
void php_swoole_http_response_set_context(const zval *zobject, swoole::http::Context *ctx);
zend_string *php_swoole_http_get_date();

#ifdef SW_HAVE_ZLIB
voidpf php_zlib_alloc(voidpf opaque, uInt items, uInt size);
void php_zlib_free(voidpf opaque, voidpf address);
#endif

#ifdef SW_HAVE_BROTLI
void *php_brotli_alloc(void *opaque, size_t size);
void php_brotli_free(void *opaque, void *address);
#endif

static sw_inline nghttp2_mem *php_nghttp2_mem() {
    static nghttp2_mem mem = {nullptr,
                              [](size_t size, void *mem_user_data) { return emalloc(size); },
                              [](void *ptr, void *mem_user_data) { return efree(ptr); },
                              [](size_t nmemb, size_t size, void *mem_user_data) { return ecalloc(nmemb, size); },
                              [](void *ptr, size_t size, void *mem_user_data) { return erealloc(ptr, size); }};
    return &mem;
}

namespace swoole {
namespace http2 {
//-----------------------------------namespace begin--------------------------------------------
class HeaderSet {
  public:
    explicit HeaderSet(size_t size) : size(size), index(0) {
        nvs = (nghttp2_nv *) ecalloc(size, sizeof(nghttp2_nv));
    }

nghttp2_nv *get() const {
        return nvs;
    }

size_t len() const {
        return index;
    }

void reserve_one() {
        index++;
    }

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) const {
        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;
            swoole_trace_log(SW_TRACE_HTTP2,
                             "name=(%zu)[" SW_ECHO_LEN_BLUE "], value=(%zu)[" SW_ECHO_LEN_CYAN "]",
                             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);
        }
    }

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);
    }

~HeaderSet() {
        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--------------------------------------------
}  // namespace http2
}  // namespace swoole

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