/* $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 . * * 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 #include 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 */