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/* $Id: http-common.h $ */
/** @file
* IPRT - Common (client / server) HTTP API.
*/
/*
* Copyright (C) 2012-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef IPRT_INCLUDED_http_common_h
#define IPRT_INCLUDED_http_common_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/list.h>
#include <iprt/types.h>
RT_C_DECLS_BEGIN
/** HTTP methods. */
typedef enum RTHTTPMETHOD
{
RTHTTPMETHOD_INVALID = 0,
RTHTTPMETHOD_GET,
RTHTTPMETHOD_PUT,
RTHTTPMETHOD_POST,
RTHTTPMETHOD_PATCH,
RTHTTPMETHOD_DELETE,
RTHTTPMETHOD_HEAD,
RTHTTPMETHOD_OPTIONS,
RTHTTPMETHOD_TRACE,
#ifdef IPRT_HTTP_WITH_WEBDAV
RTHTTPMETHOD_PROPFIND,
#endif
RTHTTPMETHOD_END,
RTHTTPMETHOD_32BIT_HACK = 0x7fffffff
} RTHTTPMETHOD;
/** HTTP status codes. */
typedef enum RTHTTPSTATUS
{
RTHTTPSTATUS_INTERNAL_NOT_SET = 0,
/**
* 2xx - Success / information codes.
*/
RTHTTPSTATUS_OK = 200,
RTHTTPSTATUS_CREATED = 201,
RTHTTPSTATUS_ACCEPTED = 202,
RTHTTPSTATUS_NONAUTHORITATIVEINFORMATION = 203,
RTHTTPSTATUS_NOCONTENT = 204,
RTHTTPSTATUS_RESETCONTENT = 205,
RTHTTPSTATUS_PARTIALCONTENT = 206,
RTHTTPSTATUS_MULTISTATUS = 207,
RTHTTPSTATUS_ALREADYREPORTED = 208,
RTHTTPSTATUS_IMUSED = 226,
/**
* 4xx - Client error codes.
*/
RTHTTPSTATUS_BADREQUEST = 400,
RTHTTPSTATUS_UNAUTHORIZED = 401,
RTHTTPSTATUS_PAYMENTREQUIRED = 402,
RTHTTPSTATUS_FORBIDDEN = 403,
RTHTTPSTATUS_NOTFOUND = 404,
RTHTTPSTATUS_METHODNOTALLOWED = 405,
RTHTTPSTATUS_NOTACCEPTABLE = 406,
RTHTTPSTATUS_PROXYAUTHENTICATIONREQUIRED = 407,
RTHTTPSTATUS_REQUESTTIMEOUT = 408,
RTHTTPSTATUS_CONFLICT = 409,
RTHTTPSTATUS_GONE = 410,
RTHTTPSTATUS_LENGTHREQUIRED = 411,
RTHTTPSTATUS_PRECONDITIONFAILED = 412,
RTHTTPSTATUS_PAYLOADTOOLARGE = 413,
RTHTTPSTATUS_URITOOLONG = 414,
RTHTTPSTATUS_UNSUPPORTEDMEDIATYPE = 415,
RTHTTPSTATUS_RANGENOTSATISFIABLE = 416,
RTHTTPSTATUS_EXPECTATIONFAILED = 417,
RTHTTPSTATUS_IMATEAPOT = 418,
RTHTTPSTATUS_UNPROCESSABLEENTITY = 422,
RTHTTPSTATUS_LOCKED = 423,
RTHTTPSTATUS_FAILEDDEPENDENCY = 424,
RTHTTPSTATUS_UPGRADEREQUIRED = 426,
RTHTTPSTATUS_PRECONDITIONREQUIRED = 428,
RTHTTPSTATUS_TOOMANYREQUESTS = 429,
RTHTTPSTATUS_REQUESTHEADERFIELDSTOOLARGE = 431,
RTHTTPSTATUS_UNAVAILABLEFORLEGALREASONS = 451,
/**
* 5xx - Server error codes.
*/
RTHTTPSTATUS_INTERNALSERVERERROR = 500,
RTHTTPSTATUS_NOTIMPLEMENTED = 501,
RTHTTPSTATUS_BADGATEWAY = 502,
RTHTTPSTATUS_SERVICEUNAVAILABLE = 503,
RTHTTPSTATUS_GATEWAYTIMEOUT = 504,
RTHTTPSTATUS_HTTPVERSIONNOTSUPPORTED = 505,
RTHTTPSTATUS_VARIANTALSONEGOTIATES = 506,
RTHTTPSTATUS_INSUFFICIENTSTORAGE = 507,
RTHTTPSTATUS_LOOPDETECTED = 508,
RTHTTPSTATUS_NOTEXTENDED = 510,
RTHTTPSTATUS_NETWORKAUTHENTICATIONREQUIRED = 511,
RTHTTPSTATUS_32BIT_HACK = 0x7fffffff
} RTHTTPSTATUS;
/** Checks whether a HTTP status is of type "informational" or not. */
#define RTHTTPSTATUS_IS_INFO(a_Code) (a_Code >= 100 && a_Code < 200)
/** Checks whether a HTTP status indicates success or not. */
#define RTHTTPSTATUS_IS_OK(a_Code) (a_Code >= 200 && a_Code < 300)
/** Checks whether a HTTP status indicates a redirection or not. */
#define RTHTTPSTATUS_IS_REDIRECT(a_Code) (a_Code >= 300 && a_Code < 400)
/** Checks whether a HTTP status indicates a client error or not. */
#define RTHTTPSTATUS_IS_CLIENTERROR(a_Code) (a_Code >= 400 && a_Code < 500)
/** Checks whether a HTTP status indicates a server error or not. */
#define RTHTTPSTATUS_IS_SERVERERROR(a_Code) (a_Code >= 500 && a_Code < 600)
/** Checks whether a HTTP status indicates an error or not. */
#define RTHTTPSTATUS_IS_ERROR(a_Code) (a_Code >= 400)
/** Specifies a HTTP MIME type. */
typedef uint32_t RTHTTPMIMETYPE;
#define RTHTTPMIMETYPE_TEXT_PLAIN "text/plain"
#define RTHTTPMIMETYPE_APPLICATION_OCTET_STREAM "application/octet-stream"
/** Specifies HTTP version 1.1 as a string. */
#define RTHTTPVER_1_1_STR "HTTP/1.1"
/** @todo the following three definitions may move the iprt/types.h later. */
/** HTTP header list handle. */
typedef R3PTRTYPE(struct RTHTTPHEADERLISTINTERNAL *) RTHTTPHEADERLIST;
/** Pointer to a HTTP header list handle. */
typedef RTHTTPHEADERLIST *PRTHTTPHEADERLIST;
/** Nil HTTP HTTP header list handle. */
#define NIL_RTHTTPHEADERLIST ((RTHTTPHEADERLIST)0)
/**
* HTTP header list entry.
*/
typedef struct RTHTTPHEADERENTRY
{
/** The list node. */
RTLISTNODE Node;
/** The field name length. */
uint32_t cchName;
/** The value offset. */
uint32_t offValue;
/** The full header field. */
RT_FLEXIBLE_ARRAY_EXTENSION
RT_GCC_EXTENSION char szData[RT_FLEXIBLE_ARRAY];
} RTHTTPHEADERENTRY;
/** Pointer to a HTTP header. */
typedef RTHTTPHEADERENTRY *PRTHTTPHEADERENTRY;
/**
* Structure for maintaining a HTTP body.
*/
typedef struct RTHTTPBODY
{
/** Body to send, if any. Can be NULL. */
void *pvBody;
/** Body allocation size (in bytes). */
size_t cbBodyAlloc;
/** How much body data is being used (in bytes). */
size_t cbBodyUsed;
/** Current body data read/write offset (in bytes). */
size_t offBody;
} RTHTTPBODY;
/** Pointer to a HTTP body. */
typedef RTHTTPBODY *PRTHTTPBODY;
/**
* Returns the name of the HTTP method.
* @returns Read only string.
* @param enmMethod The HTTP method to name.
*/
RTR3DECL(const char *) RTHttpMethodToStr(RTHTTPMETHOD enmMethod);
RTR3DECL(const char *) RTHttpStatusToStr(RTHTTPSTATUS enmSts);
RTR3DECL(int) RTHttpHeaderListInit(PRTHTTPHEADERLIST hHdrList);
RTR3DECL(void) RTHttpHeaderListDestroy(RTHTTPHEADERLIST hHdrList);
/**
* Set custom raw headers.
*
* @returns IPRT status code.
* @param hHdrLst The HTTP header list handle.
* @param cHeaders Number of custom headers.
* @param papszHeaders Array of headers in form "foo: bar".
*/
RTR3DECL(int) RTHttpHeaderListSet(RTHTTPHEADERLIST hHdrLst, size_t cHeaders, const char * const *papszHeaders);
/** @name RTHTTPHEADERLISTADD_F_XXX - Flags for RTHttpHeaderListAddRaw and RTHttpHeaderListAdd
* @{ */
#define RTHTTPHEADERLISTADD_F_BACK UINT32_C(0) /**< Append the header. */
#define RTHTTPHEADERLISTADD_F_FRONT UINT32_C(1) /**< Prepend the header. */
/** @} */
/**
* Adds a raw header.
*
* @returns IPRT status code.
* @param hHdrLst The HTTP header list handle.
* @param pszHeader Header string on the form "foo: bar".
* @param fFlags RTHTTPADDHDR_F_FRONT or RTHTTPADDHDR_F_BACK.
*/
RTR3DECL(int) RTHttpHeaderListAddRaw(RTHTTPHEADERLIST hHdrLst, const char *pszHeader, uint32_t fFlags);
/**
* Adds a header field and value.
*
* @returns IPRT status code.
* @param hHdrLst The HTTP header list handle.
* @param pszField The header field name.
* @param pszValue The header field value.
* @param cchValue The value length or RTSTR_MAX.
* @param fFlags Only RTHTTPADDHDR_F_FRONT or RTHTTPADDHDR_F_BACK,
* may be extended with encoding controlling flags if
* needed later.
*/
RTR3DECL(int) RTHttpHeaderListAdd(RTHTTPHEADERLIST hHdrLst, const char *pszField, const char *pszValue, size_t cchValue, uint32_t fFlags);
/**
* Gets a header previously added using RTHttpSetHeaders, RTHttpAppendRawHeader
* or RTHttpAppendHeader.
*
* @returns Pointer to the header value on if found, otherwise NULL.
* @param hHdrLst The HTTP header list handle.
* @param pszField The field name (no colon).
* @param cchField The length of the field name or RTSTR_MAX.
*/
RTR3DECL(const char *) RTHttpHeaderListGet(RTHTTPHEADERLIST hHdrLst, const char *pszField, size_t cchField);
/**
* Gets the number of headers specified by RTHttpAddHeader, RTHttpAddRawHeader or RTHttpSetHeaders.
*
* @returns Number of headers.
* @param hHdrLst The HTTP header list handle.
* @note This can be slow and is only really intended for test cases and debugging!
*/
RTR3DECL(size_t) RTHttpHeaderListGetCount(RTHTTPHEADERLIST hHdrLst);
/**
* Gets a header by ordinal.
*
* Can be used together with RTHttpGetHeaderCount by test case and debug code to
* iterate headers specified by RTHttpAddHeader, RTHttpAddRawHeader or RTHttpSetHeaders.
*
* @returns The header string ("field: value").
* @param hHdrLst The HTTP header list handle.
* @param iOrdinal The number of the header to get.
* @note This can be slow and is only really intended for test cases and debugging!
*/
RTR3DECL(const char *) RTHttpHeaderListGetByOrdinal(RTHTTPHEADERLIST hHdrLst, size_t iOrdinal);
RT_C_DECLS_END
#endif /* !IPRT_INCLUDED_http_common_h */
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