| 1 | /* $Id: http-common.h 87042 2020-12-04 12:10:36Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Common (client / server) HTTP API.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef IPRT_INCLUDED_http_common_h
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| 28 | #define IPRT_INCLUDED_http_common_h
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| 29 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 30 | # pragma once
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| 31 | #endif
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| 32 |
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| 33 | #include <iprt/list.h>
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| 34 | #include <iprt/types.h>
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| 35 |
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| 36 | RT_C_DECLS_BEGIN
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| 37 |
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| 38 | /** HTTP methods. */
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| 39 | typedef enum RTHTTPMETHOD
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| 40 | {
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| 41 | RTHTTPMETHOD_INVALID = 0,
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| 42 | RTHTTPMETHOD_GET,
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| 43 | RTHTTPMETHOD_PUT,
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| 44 | RTHTTPMETHOD_POST,
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| 45 | RTHTTPMETHOD_PATCH,
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| 46 | RTHTTPMETHOD_DELETE,
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| 47 | RTHTTPMETHOD_HEAD,
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| 48 | RTHTTPMETHOD_OPTIONS,
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| 49 | RTHTTPMETHOD_TRACE,
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| 50 | #ifdef IPRT_HTTP_WITH_WEBDAV
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| 51 | RTHTTPMETHOD_PROPFIND,
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| 52 | #endif
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| 53 | RTHTTPMETHOD_END,
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| 54 | RTHTTPMETHOD_32BIT_HACK = 0x7fffffff
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| 55 | } RTHTTPMETHOD;
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| 56 |
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| 57 | /** HTTP status codes. */
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| 58 | typedef enum RTHTTPSTATUS
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| 59 | {
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| 60 | RTHTTPSTATUS_INTERNAL_NOT_SET = 0,
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| 61 | /**
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| 62 | * 2xx - Success / information codes.
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| 63 | */
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| 64 | RTHTTPSTATUS_OK = 200,
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| 65 | RTHTTPSTATUS_CREATED = 201,
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| 66 | RTHTTPSTATUS_ACCEPTED = 202,
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| 67 | RTHTTPSTATUS_NONAUTHORITATIVEINFORMATION = 203,
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| 68 | RTHTTPSTATUS_NOCONTENT = 204,
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| 69 | RTHTTPSTATUS_RESETCONTENT = 205,
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| 70 | RTHTTPSTATUS_PARTIALCONTENT = 206,
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| 71 | RTHTTPSTATUS_MULTISTATUS = 207,
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| 72 | RTHTTPSTATUS_ALREADYREPORTED = 208,
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| 73 | RTHTTPSTATUS_IMUSED = 226,
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| 74 | /**
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| 75 | * 4xx - Client error codes.
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| 76 | */
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| 77 | RTHTTPSTATUS_BADREQUEST = 400,
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| 78 | RTHTTPSTATUS_UNAUTHORIZED = 401,
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| 79 | RTHTTPSTATUS_PAYMENTREQUIRED = 402,
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| 80 | RTHTTPSTATUS_FORBIDDEN = 403,
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| 81 | RTHTTPSTATUS_NOTFOUND = 404,
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| 82 | RTHTTPSTATUS_METHODNOTALLOWED = 405,
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| 83 | RTHTTPSTATUS_NOTACCEPTABLE = 406,
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| 84 | RTHTTPSTATUS_PROXYAUTHENTICATIONREQUIRED = 407,
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| 85 | RTHTTPSTATUS_REQUESTTIMEOUT = 408,
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| 86 | RTHTTPSTATUS_CONFLICT = 409,
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| 87 | RTHTTPSTATUS_GONE = 410,
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| 88 | RTHTTPSTATUS_LENGTHREQUIRED = 411,
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| 89 | RTHTTPSTATUS_PRECONDITIONFAILED = 412,
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| 90 | RTHTTPSTATUS_PAYLOADTOOLARGE = 413,
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| 91 | RTHTTPSTATUS_URITOOLONG = 414,
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| 92 | RTHTTPSTATUS_UNSUPPORTEDMEDIATYPE = 415,
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| 93 | RTHTTPSTATUS_RANGENOTSATISFIABLE = 416,
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| 94 | RTHTTPSTATUS_EXPECTATIONFAILED = 417,
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| 95 | RTHTTPSTATUS_IMATEAPOT = 418,
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| 96 | RTHTTPSTATUS_UNPROCESSABLEENTITY = 422,
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| 97 | RTHTTPSTATUS_LOCKED = 423,
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| 98 | RTHTTPSTATUS_FAILEDDEPENDENCY = 424,
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| 99 | RTHTTPSTATUS_UPGRADEREQUIRED = 426,
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| 100 | RTHTTPSTATUS_PRECONDITIONREQUIRED = 428,
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| 101 | RTHTTPSTATUS_TOOMANYREQUESTS = 429,
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| 102 | RTHTTPSTATUS_REQUESTHEADERFIELDSTOOLARGE = 431,
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| 103 | RTHTTPSTATUS_UNAVAILABLEFORLEGALREASONS = 451,
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| 104 | /**
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| 105 | * 5xx - Server error codes.
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| 106 | */
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| 107 | RTHTTPSTATUS_INTERNALSERVERERROR = 500,
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| 108 | RTHTTPSTATUS_NOTIMPLEMENTED = 501,
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| 109 | RTHTTPSTATUS_BADGATEWAY = 502,
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| 110 | RTHTTPSTATUS_SERVICEUNAVAILABLE = 503,
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| 111 | RTHTTPSTATUS_GATEWAYTIMEOUT = 504,
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| 112 | RTHTTPSTATUS_HTTPVERSIONNOTSUPPORTED = 505,
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| 113 | RTHTTPSTATUS_VARIANTALSONEGOTIATES = 506,
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| 114 | RTHTTPSTATUS_INSUFFICIENTSTORAGE = 507,
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| 115 | RTHTTPSTATUS_LOOPDETECTED = 508,
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| 116 | RTHTTPSTATUS_NOTEXTENDED = 510,
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| 117 | RTHTTPSTATUS_NETWORKAUTHENTICATIONREQUIRED = 511,
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| 118 |
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| 119 | RTHTTPSTATUS_32BIT_HACK = 0x7fffffff
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| 120 | } RTHTTPSTATUS;
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| 121 |
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| 122 | /** Checks whether a HTTP status is of type "informational" or not. */
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| 123 | #define RTHTTPSTATUS_IS_INFO(a_Code) (a_Code >= 100 && a_Code < 200)
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| 124 | /** Checks whether a HTTP status indicates success or not. */
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| 125 | #define RTHTTPSTATUS_IS_OK(a_Code) (a_Code >= 200 && a_Code < 300)
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| 126 | /** Checks whether a HTTP status indicates a redirection or not. */
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| 127 | #define RTHTTPSTATUS_IS_REDIRECT(a_Code) (a_Code >= 300 && a_Code < 400)
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| 128 | /** Checks whether a HTTP status indicates a client error or not. */
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| 129 | #define RTHTTPSTATUS_IS_CLIENTERROR(a_Code) (a_Code >= 400 && a_Code < 500)
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| 130 | /** Checks whether a HTTP status indicates a server error or not. */
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| 131 | #define RTHTTPSTATUS_IS_SERVERERROR(a_Code) (a_Code >= 500 && a_Code < 600)
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| 132 | /** Checks whether a HTTP status indicates an error or not. */
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| 133 | #define RTHTTPSTATUS_IS_ERROR(a_Code) (a_Code >= 400)
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| 134 |
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| 135 | /** Specifies a HTTP MIME type. */
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| 136 | typedef uint32_t RTHTTPMIMETYPE;
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| 137 |
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| 138 | #define RTHTTPMIMETYPE_TEXT_PLAIN "text/plain"
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| 139 | #define RTHTTPMIMETYPE_APPLICATION_OCTET_STREAM "application/octet-stream"
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| 140 |
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| 141 | /** Specifies HTTP version 1.1 as a string. */
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| 142 | #define RTHTTPVER_1_1_STR "HTTP/1.1"
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| 143 |
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| 144 | /** @todo the following three definitions may move the iprt/types.h later. */
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| 145 | /** HTTP header list handle. */
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| 146 | typedef R3PTRTYPE(struct RTHTTPHEADERLISTINTERNAL *) RTHTTPHEADERLIST;
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| 147 | /** Pointer to a HTTP header list handle. */
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| 148 | typedef RTHTTPHEADERLIST *PRTHTTPHEADERLIST;
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| 149 | /** Nil HTTP HTTP header list handle. */
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| 150 | #define NIL_RTHTTPHEADERLIST ((RTHTTPHEADERLIST)0)
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| 151 |
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| 152 | /**
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| 153 | * HTTP header list entry.
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| 154 | */
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| 155 | typedef struct RTHTTPHEADERENTRY
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| 156 | {
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| 157 | /** The list node. */
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| 158 | RTLISTNODE Node;
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| 159 | /** The field name length. */
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| 160 | uint32_t cchName;
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| 161 | /** The value offset. */
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| 162 | uint32_t offValue;
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| 163 | /** The full header field. */
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| 164 | RT_FLEXIBLE_ARRAY_EXTENSION
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| 165 | RT_GCC_EXTENSION char szData[RT_FLEXIBLE_ARRAY];
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| 166 | } RTHTTPHEADERENTRY;
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| 167 | /** Pointer to a HTTP header. */
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| 168 | typedef RTHTTPHEADERENTRY *PRTHTTPHEADERENTRY;
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| 169 |
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| 170 | /**
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| 171 | * Structure for maintaining a HTTP body.
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| 172 | */
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| 173 | typedef struct RTHTTPBODY
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| 174 | {
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| 175 | /** Body to send, if any. Can be NULL. */
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| 176 | void *pvBody;
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| 177 | /** Body allocation size (in bytes). */
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| 178 | size_t cbBodyAlloc;
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| 179 | /** How much body data is being used (in bytes). */
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| 180 | size_t cbBodyUsed;
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| 181 | /** Current body data read/write offset (in bytes). */
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| 182 | size_t offBody;
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| 183 | } RTHTTPBODY;
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| 184 | /** Pointer to a HTTP body. */
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| 185 | typedef RTHTTPBODY *PRTHTTPBODY;
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| 186 |
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| 187 | /**
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| 188 | * Returns the name of the HTTP method.
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| 189 | * @returns Read only string.
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| 190 | * @param enmMethod The HTTP method to name.
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| 191 | */
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| 192 | RTR3DECL(const char *) RTHttpMethodToStr(RTHTTPMETHOD enmMethod);
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| 193 |
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| 194 | RTR3DECL(const char *) RTHttpStatusToStr(RTHTTPSTATUS enmSts);
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| 195 |
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| 196 | RTR3DECL(int) RTHttpHeaderListInit(PRTHTTPHEADERLIST hHdrList);
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| 197 |
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| 198 | RTR3DECL(void) RTHttpHeaderListDestroy(RTHTTPHEADERLIST hHdrList);
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| 199 |
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| 200 | /**
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| 201 | * Set custom raw headers.
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| 202 | *
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| 203 | * @returns IPRT status code.
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| 204 | * @param hHdrLst The HTTP header list handle.
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| 205 | * @param cHeaders Number of custom headers.
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| 206 | * @param papszHeaders Array of headers in form "foo: bar".
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| 207 | */
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| 208 | RTR3DECL(int) RTHttpHeaderListSet(RTHTTPHEADERLIST hHdrLst, size_t cHeaders, const char * const *papszHeaders);
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| 209 |
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| 210 | /** @name RTHTTPHEADERLISTADD_F_XXX - Flags for RTHttpHeaderListAddRaw and RTHttpHeaderListAdd
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| 211 | * @{ */
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| 212 | #define RTHTTPHEADERLISTADD_F_BACK UINT32_C(0) /**< Append the header. */
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| 213 | #define RTHTTPHEADERLISTADD_F_FRONT UINT32_C(1) /**< Prepend the header. */
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| 214 | /** @} */
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| 215 |
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| 216 | /**
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| 217 | * Adds a raw header.
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| 218 | *
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| 219 | * @returns IPRT status code.
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| 220 | * @param hHdrLst The HTTP header list handle.
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| 221 | * @param pszHeader Header string on the form "foo: bar".
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| 222 | * @param fFlags RTHTTPADDHDR_F_FRONT or RTHTTPADDHDR_F_BACK.
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| 223 | */
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| 224 | RTR3DECL(int) RTHttpHeaderListAddRaw(RTHTTPHEADERLIST hHdrLst, const char *pszHeader, uint32_t fFlags);
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| 225 |
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| 226 | /**
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| 227 | * Adds a header field and value.
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| 228 | *
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| 229 | * @returns IPRT status code.
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| 230 | * @param hHdrLst The HTTP header list handle.
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| 231 | * @param pszField The header field name.
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| 232 | * @param pszValue The header field value.
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| 233 | * @param cchValue The value length or RTSTR_MAX.
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| 234 | * @param fFlags Only RTHTTPADDHDR_F_FRONT or RTHTTPADDHDR_F_BACK,
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| 235 | * may be extended with encoding controlling flags if
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| 236 | * needed later.
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| 237 | */
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| 238 | RTR3DECL(int) RTHttpHeaderListAdd(RTHTTPHEADERLIST hHdrLst, const char *pszField, const char *pszValue, size_t cchValue, uint32_t fFlags);
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| 239 |
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| 240 | /**
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| 241 | * Gets a header previously added using RTHttpSetHeaders, RTHttpAppendRawHeader
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| 242 | * or RTHttpAppendHeader.
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| 243 | *
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| 244 | * @returns Pointer to the header value on if found, otherwise NULL.
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| 245 | * @param hHdrLst The HTTP header list handle.
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| 246 | * @param pszField The field name (no colon).
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| 247 | * @param cchField The length of the field name or RTSTR_MAX.
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| 248 | */
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| 249 | RTR3DECL(const char *) RTHttpHeaderListGet(RTHTTPHEADERLIST hHdrLst, const char *pszField, size_t cchField);
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| 250 |
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| 251 | /**
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| 252 | * Gets the number of headers specified by RTHttpAddHeader, RTHttpAddRawHeader or RTHttpSetHeaders.
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| 253 | *
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| 254 | * @returns Number of headers.
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| 255 | * @param hHdrLst The HTTP header list handle.
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| 256 | * @note This can be slow and is only really intended for test cases and debugging!
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| 257 | */
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| 258 | RTR3DECL(size_t) RTHttpHeaderListGetCount(RTHTTPHEADERLIST hHdrLst);
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| 259 |
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| 260 | /**
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| 261 | * Gets a header by ordinal.
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| 262 | *
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| 263 | * Can be used together with RTHttpGetHeaderCount by test case and debug code to
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| 264 | * iterate headers specified by RTHttpAddHeader, RTHttpAddRawHeader or RTHttpSetHeaders.
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| 265 | *
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| 266 | * @returns The header string ("field: value").
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| 267 | * @param hHdrLst The HTTP header list handle.
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| 268 | * @param iOrdinal The number of the header to get.
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| 269 | * @note This can be slow and is only really intended for test cases and debugging!
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| 270 | */
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| 271 | RTR3DECL(const char *) RTHttpHeaderListGetByOrdinal(RTHTTPHEADERLIST hHdrLst, size_t iOrdinal);
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| 272 |
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| 273 | RT_C_DECLS_END
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| 274 |
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| 275 | #endif /* !IPRT_INCLUDED_http_common_h */
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| 276 |
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