THUAI6/CAPI/cpp/grpc/include/openssl/http.h

/*
 * Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
 * Copyright Siemens AG 2018-2020
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OPENSSL_HTTP_H
#define OPENSSL_HTTP_H
#pragma once

#include <openssl/opensslconf.h>

#include <openssl/bio.h>
#include <openssl/asn1.h>
#include <openssl/conf.h>

#ifdef __cplusplus
extern "C"
{
#endif

#define OSSL_HTTP_NAME "http"
#define OSSL_HTTPS_NAME "https"
#define OSSL_HTTP_PREFIX OSSL_HTTP_NAME "://"
#define OSSL_HTTPS_PREFIX OSSL_HTTPS_NAME "://"
#define OSSL_HTTP_PORT "80"
#define OSSL_HTTPS_PORT "443"
#define OPENSSL_NO_PROXY "NO_PROXY"
#define OPENSSL_HTTP_PROXY "HTTP_PROXY"
#define OPENSSL_HTTPS_PROXY "HTTPS_PROXY"

#define OSSL_HTTP_DEFAULT_MAX_LINE_LEN (4 * 1024)
#define OSSL_HTTP_DEFAULT_MAX_RESP_LEN (100 * 1024)

    /* Low-level HTTP API */
    OSSL_HTTP_REQ_CTX* OSSL_HTTP_REQ_CTX_new(BIO* wbio, BIO* rbio, int buf_size);
    void OSSL_HTTP_REQ_CTX_free(OSSL_HTTP_REQ_CTX* rctx);
    int OSSL_HTTP_REQ_CTX_set_request_line(OSSL_HTTP_REQ_CTX* rctx, int method_POST, const char* server, const char* port, const char* path);
    int OSSL_HTTP_REQ_CTX_add1_header(OSSL_HTTP_REQ_CTX* rctx, const char* name, const char* value);
    int OSSL_HTTP_REQ_CTX_set_expected(OSSL_HTTP_REQ_CTX* rctx, const char* content_type, int asn1, int timeout, int keep_alive);
    int OSSL_HTTP_REQ_CTX_set1_req(OSSL_HTTP_REQ_CTX* rctx, const char* content_type, const ASN1_ITEM* it, const ASN1_VALUE* req);
    int OSSL_HTTP_REQ_CTX_nbio(OSSL_HTTP_REQ_CTX* rctx);
    int OSSL_HTTP_REQ_CTX_nbio_d2i(OSSL_HTTP_REQ_CTX* rctx, ASN1_VALUE** pval, const ASN1_ITEM* it);
    BIO* OSSL_HTTP_REQ_CTX_exchange(OSSL_HTTP_REQ_CTX* rctx);
    BIO* OSSL_HTTP_REQ_CTX_get0_mem_bio(const OSSL_HTTP_REQ_CTX* rctx);
    size_t OSSL_HTTP_REQ_CTX_get_resp_len(const OSSL_HTTP_REQ_CTX* rctx);
    void OSSL_HTTP_REQ_CTX_set_max_response_length(OSSL_HTTP_REQ_CTX* rctx, unsigned long len);
    int OSSL_HTTP_is_alive(const OSSL_HTTP_REQ_CTX* rctx);

    /* High-level HTTP API */
    typedef BIO* (*OSSL_HTTP_bio_cb_t)(BIO* bio, void* arg, int connect, int detail);
    OSSL_HTTP_REQ_CTX* OSSL_HTTP_open(const char* server, const char* port, const char* proxy, const char* no_proxy, int use_ssl, BIO* bio, BIO* rbio, OSSL_HTTP_bio_cb_t bio_update_fn, void* arg, int buf_size, int overall_timeout);
    int OSSL_HTTP_proxy_connect(BIO* bio, const char* server, const char* port, const char* proxyuser, const char* proxypass, int timeout, BIO* bio_err, const char* prog);
    int OSSL_HTTP_set1_request(OSSL_HTTP_REQ_CTX* rctx, const char* path, const STACK_OF(CONF_VALUE) * headers, const char* content_type, BIO* req, const char* expected_content_type, int expect_asn1, size_t max_resp_len, int timeout, int keep_alive);
    BIO* OSSL_HTTP_exchange(OSSL_HTTP_REQ_CTX* rctx, char** redirection_url);
    BIO* OSSL_HTTP_get(const char* url, const char* proxy, const char* no_proxy, BIO* bio, BIO* rbio, OSSL_HTTP_bio_cb_t bio_update_fn, void* arg, int buf_size, const STACK_OF(CONF_VALUE) * headers, const char* expected_content_type, int expect_asn1, size_t max_resp_len, int timeout);
    BIO* OSSL_HTTP_transfer(OSSL_HTTP_REQ_CTX** prctx, const char* server, const char* port, const char* path, int use_ssl, const char* proxy, const char* no_proxy, BIO* bio, BIO* rbio, OSSL_HTTP_bio_cb_t bio_update_fn, void* arg, int buf_size, const STACK_OF(CONF_VALUE) * headers, const char* content_type, BIO* req, const char* expected_content_type, int expect_asn1, size_t max_resp_len, int timeout, int keep_alive);
    int OSSL_HTTP_close(OSSL_HTTP_REQ_CTX* rctx, int ok);

    /* Auxiliary functions */
    int OSSL_parse_url(const char* url, char** pscheme, char** puser, char** phost, char** pport, int* pport_num, char** ppath, char** pquery, char** pfrag);
    int OSSL_HTTP_parse_url(const char* url, int* pssl, char** puser, char** phost, char** pport, int* pport_num, char** ppath, char** pquery, char** pfrag);
    const char* OSSL_HTTP_adapt_proxy(const char* proxy, const char* no_proxy, const char* server, int use_ssl);

#ifdef __cplusplus
}
#endif
#endif /* !defined(OPENSSL_HTTP_H) */