| 1 | /* $Id: RTCRestClientApiBase.cpp 74192 2018-09-11 11:22:36Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - C++ REST, RTCRestClientApiBase implementation.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2018 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #define LOG_GROUP RTLOGGROUP_REST
|
|---|
| 32 | #include <iprt/cpp/restclient.h>
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/err.h>
|
|---|
| 35 | #include <iprt/http.h>
|
|---|
| 36 | #include <iprt/log.h>
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | /**
|
|---|
| 40 | * The destructor.
|
|---|
| 41 | */
|
|---|
| 42 | RTCRestClientApiBase::~RTCRestClientApiBase()
|
|---|
| 43 | {
|
|---|
| 44 | if (m_hHttp != NIL_RTHTTP)
|
|---|
| 45 | {
|
|---|
| 46 | int rc = RTHttpDestroy(m_hHttp);
|
|---|
| 47 | AssertRC(rc);
|
|---|
| 48 | m_hHttp = NIL_RTHTTP;
|
|---|
| 49 | }
|
|---|
| 50 | }
|
|---|
| 51 |
|
|---|
| 52 |
|
|---|
| 53 | int RTCRestClientApiBase::reinitHttpInstance()
|
|---|
| 54 | {
|
|---|
| 55 | if (m_hHttp != NIL_RTHTTP)
|
|---|
| 56 | {
|
|---|
| 57 | #if 0
|
|---|
| 58 | /*
|
|---|
| 59 | * XXX: disable for now as it causes the RTHTTP handle state
|
|---|
| 60 | * and curl state to get out of sync.
|
|---|
| 61 | */
|
|---|
| 62 | return RTHttpReset(m_hHttp);
|
|---|
| 63 | #else
|
|---|
| 64 | RTHttpDestroy(m_hHttp);
|
|---|
| 65 | m_hHttp = NIL_RTHTTP;
|
|---|
| 66 | #endif
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | int rc = RTHttpCreate(&m_hHttp);
|
|---|
| 70 | if (RT_FAILURE(rc))
|
|---|
| 71 | m_hHttp = NIL_RTHTTP;
|
|---|
| 72 | return rc;
|
|---|
| 73 | }
|
|---|
| 74 |
|
|---|
| 75 |
|
|---|
| 76 | int RTCRestClientApiBase::xmitReady(RTHTTP a_hHttp, RTCString const &a_rStrFullUrl, RTHTTPMETHOD a_enmHttpMethod,
|
|---|
| 77 | RTCString const &a_rStrXmitBody, uint32_t a_fFlags)
|
|---|
| 78 | {
|
|---|
| 79 | RT_NOREF(a_hHttp, a_rStrFullUrl, a_enmHttpMethod, a_rStrXmitBody, a_fFlags);
|
|---|
| 80 | return VINF_SUCCESS;
|
|---|
| 81 | }
|
|---|
| 82 |
|
|---|
| 83 |
|
|---|
| 84 | int RTCRestClientApiBase::doCall(RTCRestClientRequestBase const &a_rRequest, RTHTTPMETHOD a_enmHttpMethod,
|
|---|
| 85 | RTCRestClientResponseBase *a_pResponse, const char *a_pszMethod, uint32_t a_fFlags)
|
|---|
| 86 | {
|
|---|
| 87 | LogFlow(("doCall: %s %s\n", a_pszMethod, RTHttpMethodName(a_enmHttpMethod)));
|
|---|
| 88 |
|
|---|
| 89 |
|
|---|
| 90 | /*
|
|---|
| 91 | * Reset the response object (allowing reuse of such) and check the request
|
|---|
| 92 | * object for assignment errors.
|
|---|
| 93 | */
|
|---|
| 94 | int rc;
|
|---|
| 95 | RTHTTP hHttp = NIL_RTHTTP;
|
|---|
| 96 |
|
|---|
| 97 | a_pResponse->reset();
|
|---|
| 98 | if (!a_rRequest.hasAssignmentErrors())
|
|---|
| 99 | {
|
|---|
| 100 | /*
|
|---|
| 101 | * Initialize the HTTP instance.
|
|---|
| 102 | */
|
|---|
| 103 | rc = reinitHttpInstance();
|
|---|
| 104 | if (RT_SUCCESS(rc))
|
|---|
| 105 | {
|
|---|
| 106 | hHttp = m_hHttp;
|
|---|
| 107 | Assert(hHttp != NIL_RTHTTP);
|
|---|
| 108 |
|
|---|
| 109 | /*
|
|---|
| 110 | * Prepare the response side. This may install output callbacks and
|
|---|
| 111 | * indicate this by clearing the ppvBody/ppvHdr variables.
|
|---|
| 112 | */
|
|---|
| 113 | size_t cbHdrs = 0;
|
|---|
| 114 | void *pvHdrs = NULL;
|
|---|
| 115 | void **ppvHdrs = &pvHdrs;
|
|---|
| 116 |
|
|---|
| 117 | size_t cbBody = 0;
|
|---|
| 118 | void *pvBody = NULL;
|
|---|
| 119 | void **ppvBody = &pvBody;
|
|---|
| 120 |
|
|---|
| 121 | rc = a_pResponse->receivePrepare(hHttp, &ppvBody, &ppvHdrs);
|
|---|
| 122 | if (RT_SUCCESS(rc))
|
|---|
| 123 | {
|
|---|
| 124 | /*
|
|---|
| 125 | * Prepare the request for the transmission.
|
|---|
| 126 | */
|
|---|
| 127 | RTCString strExtraPath;
|
|---|
| 128 | RTCString strQuery;
|
|---|
| 129 | RTCString strXmitBody;
|
|---|
| 130 | rc = a_rRequest.xmitPrepare(&strExtraPath, &strQuery, hHttp, &strXmitBody);
|
|---|
| 131 | if (RT_SUCCESS(rc))
|
|---|
| 132 | {
|
|---|
| 133 | /*
|
|---|
| 134 | * Construct the full URL.
|
|---|
| 135 | */
|
|---|
| 136 | RTCString strFullUrl;
|
|---|
| 137 | rc = strFullUrl.assignNoThrow(m_strBasePath);
|
|---|
| 138 | if (strExtraPath.isNotEmpty())
|
|---|
| 139 | {
|
|---|
| 140 | if (!strExtraPath.startsWith("/") && !strFullUrl.endsWith("/") && RT_SUCCESS(rc))
|
|---|
| 141 | rc = strFullUrl.appendNoThrow('/');
|
|---|
| 142 | if (RT_SUCCESS(rc))
|
|---|
| 143 | rc = strFullUrl.appendNoThrow(strExtraPath);
|
|---|
| 144 | strExtraPath.setNull();
|
|---|
| 145 | }
|
|---|
| 146 | if (strQuery.isNotEmpty())
|
|---|
| 147 | {
|
|---|
| 148 | Assert(strQuery.startsWith("?"));
|
|---|
| 149 | rc = strFullUrl.appendNoThrow(strQuery);
|
|---|
| 150 | strQuery.setNull();
|
|---|
| 151 | }
|
|---|
| 152 | if (RT_SUCCESS(rc))
|
|---|
| 153 | {
|
|---|
| 154 | rc = xmitReady(hHttp, strFullUrl, a_enmHttpMethod, strXmitBody, a_fFlags);
|
|---|
| 155 | if (RT_SUCCESS(rc))
|
|---|
| 156 | {
|
|---|
| 157 | /*
|
|---|
| 158 | * Perform HTTP request.
|
|---|
| 159 | */
|
|---|
| 160 | uint32_t uHttpStatus = 0;
|
|---|
| 161 | rc = RTHttpPerform(hHttp, strFullUrl.c_str(), a_enmHttpMethod,
|
|---|
| 162 | strXmitBody.c_str(), strXmitBody.length(),
|
|---|
| 163 | &uHttpStatus, ppvHdrs, &cbHdrs, ppvBody, &cbBody);
|
|---|
| 164 | if (RT_SUCCESS(rc))
|
|---|
| 165 | {
|
|---|
| 166 | a_rRequest.xmitComplete(uHttpStatus, hHttp);
|
|---|
| 167 |
|
|---|
| 168 | /*
|
|---|
| 169 | * Do response processing.
|
|---|
| 170 | */
|
|---|
| 171 | a_pResponse->receiveComplete(uHttpStatus, hHttp);
|
|---|
| 172 | if (pvHdrs)
|
|---|
| 173 | {
|
|---|
| 174 | a_pResponse->consumeHeaders((const char *)pvHdrs, cbHdrs);
|
|---|
| 175 | RTHttpFreeResponse(pvHdrs);
|
|---|
| 176 | }
|
|---|
| 177 | if (pvBody)
|
|---|
| 178 | {
|
|---|
| 179 | a_pResponse->consumeBody((const char *)pvBody, cbBody);
|
|---|
| 180 | RTHttpFreeResponse(pvBody);
|
|---|
| 181 | }
|
|---|
| 182 | a_pResponse->receiveFinal();
|
|---|
| 183 |
|
|---|
| 184 | return a_pResponse->getStatus();
|
|---|
| 185 | }
|
|---|
| 186 | }
|
|---|
| 187 | }
|
|---|
| 188 | }
|
|---|
| 189 | a_rRequest.xmitComplete(rc, hHttp);
|
|---|
| 190 | }
|
|---|
| 191 | }
|
|---|
| 192 | }
|
|---|
| 193 | else
|
|---|
| 194 | rc = VERR_NO_MEMORY;
|
|---|
| 195 |
|
|---|
| 196 | a_pResponse->receiveComplete(rc, hHttp);
|
|---|
| 197 | RT_NOREF_PV(a_pszMethod);
|
|---|
| 198 |
|
|---|
| 199 | return a_pResponse->getStatus();
|
|---|
| 200 | }
|
|---|
| 201 |
|
|---|
