1 | /* $Id: RTCRestClientApiBase.cpp 79862 2019-07-18 16:05:52Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * IPRT - C++ REST, RTCRestClientApiBase implementation.
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2018-2019 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/assert.h>
|
---|
35 | #include <iprt/ctype.h>
|
---|
36 | #include <iprt/errcore.h>
|
---|
37 | #include <iprt/http.h>
|
---|
38 | #include <iprt/log.h>
|
---|
39 | #include <iprt/uri.h>
|
---|
40 |
|
---|
41 |
|
---|
42 | /**
|
---|
43 | * Default constructor.
|
---|
44 | */
|
---|
45 | RTCRestClientApiBase::RTCRestClientApiBase() RT_NOEXCEPT
|
---|
46 | : m_hHttp(NIL_RTHTTP)
|
---|
47 | {
|
---|
48 | }
|
---|
49 |
|
---|
50 |
|
---|
51 | /**
|
---|
52 | * The destructor.
|
---|
53 | */
|
---|
54 | RTCRestClientApiBase::~RTCRestClientApiBase()
|
---|
55 | {
|
---|
56 | if (m_hHttp != NIL_RTHTTP)
|
---|
57 | {
|
---|
58 | int rc = RTHttpDestroy(m_hHttp);
|
---|
59 | AssertRC(rc);
|
---|
60 | m_hHttp = NIL_RTHTTP;
|
---|
61 | }
|
---|
62 | }
|
---|
63 |
|
---|
64 |
|
---|
65 | const char *RTCRestClientApiBase::getServerUrl(void) const RT_NOEXCEPT
|
---|
66 | {
|
---|
67 | if (m_strServerUrl.isEmpty())
|
---|
68 | return getDefaultServerUrl();
|
---|
69 | return m_strServerUrl.c_str();
|
---|
70 | }
|
---|
71 |
|
---|
72 |
|
---|
73 | int RTCRestClientApiBase::setServerUrl(const char *a_pszUrl) RT_NOEXCEPT
|
---|
74 | {
|
---|
75 | #ifdef RT_STRICT
|
---|
76 | if (a_pszUrl)
|
---|
77 | {
|
---|
78 | RTURIPARSED Parsed;
|
---|
79 | int rc = RTUriParse(a_pszUrl, &Parsed);
|
---|
80 | AssertRC(rc);
|
---|
81 | }
|
---|
82 | #endif
|
---|
83 |
|
---|
84 | return m_strServerUrl.assignNoThrow(a_pszUrl);
|
---|
85 | }
|
---|
86 |
|
---|
87 |
|
---|
88 | int RTCRestClientApiBase::setServerUrlPart(const char *a_pszServerUrl, size_t a_offDst, size_t a_cchDst,
|
---|
89 | const char *a_pszSrc, size_t a_cchSrc) RT_NOEXCEPT
|
---|
90 | {
|
---|
91 | if ( a_cchDst == a_cchSrc
|
---|
92 | && memcmp(&a_pszServerUrl[0], a_pszSrc, a_cchSrc) == 0)
|
---|
93 | return VINF_SUCCESS;
|
---|
94 |
|
---|
95 | if (m_strServerUrl.isEmpty())
|
---|
96 | {
|
---|
97 | int rc = m_strServerUrl.assignNoThrow(a_pszServerUrl);
|
---|
98 | AssertRCReturn(rc, rc);
|
---|
99 | }
|
---|
100 | return m_strServerUrl.replaceNoThrow(a_offDst, a_cchDst, a_pszSrc, a_cchSrc);
|
---|
101 | }
|
---|
102 |
|
---|
103 |
|
---|
104 | int RTCRestClientApiBase::setServerScheme(const char *a_pszScheme) RT_NOEXCEPT
|
---|
105 | {
|
---|
106 | /*
|
---|
107 | * Validate.
|
---|
108 | */
|
---|
109 | AssertReturn(a_pszScheme, VERR_INVALID_POINTER);
|
---|
110 | size_t const cchScheme = strlen(a_pszScheme);
|
---|
111 | AssertReturn(cchScheme > 0, VERR_INVALID_PARAMETER);
|
---|
112 | Assert(cchScheme < 16);
|
---|
113 | #ifdef RT_STRICT
|
---|
114 | for (size_t i = 0; i < cchScheme; i++)
|
---|
115 | Assert(RT_C_IS_ALNUM(a_pszScheme[i]));
|
---|
116 | #endif
|
---|
117 |
|
---|
118 | /*
|
---|
119 | * Parse, compare & replace.
|
---|
120 | */
|
---|
121 | RTURIPARSED Parsed;
|
---|
122 | const char *pszUrl = getServerUrl();
|
---|
123 | int rc = RTUriParse(pszUrl, &Parsed);
|
---|
124 | AssertRCReturn(rc, rc);
|
---|
125 | return setServerUrlPart(pszUrl, 0, Parsed.cchScheme, a_pszScheme, cchScheme);
|
---|
126 | }
|
---|
127 |
|
---|
128 |
|
---|
129 | int RTCRestClientApiBase::setServerAuthority(const char *a_pszAuthority) RT_NOEXCEPT
|
---|
130 | {
|
---|
131 | /*
|
---|
132 | * Validate.
|
---|
133 | */
|
---|
134 | AssertReturn(a_pszAuthority, VERR_INVALID_POINTER);
|
---|
135 | size_t const cchAuthority = strlen(a_pszAuthority);
|
---|
136 | AssertReturn(cchAuthority > 0, VERR_INVALID_PARAMETER);
|
---|
137 | Assert(memchr(a_pszAuthority, '/', cchAuthority) == NULL);
|
---|
138 | Assert(memchr(a_pszAuthority, '\\', cchAuthority) == NULL);
|
---|
139 | Assert(memchr(a_pszAuthority, '#', cchAuthority) == NULL);
|
---|
140 | Assert(memchr(a_pszAuthority, '?', cchAuthority) == NULL);
|
---|
141 |
|
---|
142 | /*
|
---|
143 | * Parse, compare & replace.
|
---|
144 | */
|
---|
145 | RTURIPARSED Parsed;
|
---|
146 | const char *pszUrl = getServerUrl();
|
---|
147 | int rc = RTUriParse(pszUrl, &Parsed);
|
---|
148 | AssertRCReturn(rc, rc);
|
---|
149 | return setServerUrlPart(pszUrl, Parsed.offAuthority, Parsed.cchAuthority, a_pszAuthority, cchAuthority);
|
---|
150 | }
|
---|
151 |
|
---|
152 |
|
---|
153 | int RTCRestClientApiBase::setServerBasePath(const char *a_pszBasePath) RT_NOEXCEPT
|
---|
154 | {
|
---|
155 | /*
|
---|
156 | * Validate.
|
---|
157 | */
|
---|
158 | AssertReturn(a_pszBasePath, VERR_INVALID_POINTER);
|
---|
159 | size_t const cchBasePath = strlen(a_pszBasePath);
|
---|
160 | AssertReturn(cchBasePath > 0, VERR_INVALID_PARAMETER);
|
---|
161 | Assert(memchr(a_pszBasePath, '?', cchBasePath) == NULL);
|
---|
162 | Assert(memchr(a_pszBasePath, '#', cchBasePath) == NULL);
|
---|
163 |
|
---|
164 | /*
|
---|
165 | * Parse, compare & replace.
|
---|
166 | */
|
---|
167 | RTURIPARSED Parsed;
|
---|
168 | const char *pszUrl = getServerUrl();
|
---|
169 | int rc = RTUriParse(pszUrl, &Parsed);
|
---|
170 | AssertRCReturn(rc, rc);
|
---|
171 | return setServerUrlPart(pszUrl, Parsed.offPath, Parsed.cchPath, a_pszBasePath, cchBasePath);
|
---|
172 | }
|
---|
173 |
|
---|
174 |
|
---|
175 | int RTCRestClientApiBase::reinitHttpInstance() RT_NOEXCEPT
|
---|
176 | {
|
---|
177 | if (m_hHttp != NIL_RTHTTP)
|
---|
178 | return RTHttpReset(m_hHttp, 0 /*fFlags*/);
|
---|
179 |
|
---|
180 | int rc = RTHttpCreate(&m_hHttp);
|
---|
181 | if (RT_FAILURE(rc))
|
---|
182 | m_hHttp = NIL_RTHTTP;
|
---|
183 | return rc;
|
---|
184 | }
|
---|
185 |
|
---|
186 |
|
---|
187 | int RTCRestClientApiBase::xmitReady(RTHTTP a_hHttp, RTCString const &a_rStrFullUrl, RTHTTPMETHOD a_enmHttpMethod,
|
---|
188 | RTCString const &a_rStrXmitBody, uint32_t a_fFlags) RT_NOEXCEPT
|
---|
189 | {
|
---|
190 | RT_NOREF(a_hHttp, a_rStrFullUrl, a_enmHttpMethod, a_rStrXmitBody, a_fFlags);
|
---|
191 | return VINF_SUCCESS;
|
---|
192 | }
|
---|
193 |
|
---|
194 |
|
---|
195 | int RTCRestClientApiBase::doCall(RTCRestClientRequestBase const &a_rRequest, RTHTTPMETHOD a_enmHttpMethod,
|
---|
196 | RTCRestClientResponseBase *a_pResponse, const char *a_pszMethod, uint32_t a_fFlags) RT_NOEXCEPT
|
---|
197 | {
|
---|
198 | LogFlow(("doCall: %s %s\n", a_pszMethod, RTHttpMethodName(a_enmHttpMethod)));
|
---|
199 |
|
---|
200 |
|
---|
201 | /*
|
---|
202 | * Reset the response object (allowing reuse of such) and check the request
|
---|
203 | * object for assignment errors.
|
---|
204 | */
|
---|
205 | int rc;
|
---|
206 | RTHTTP hHttp = NIL_RTHTTP;
|
---|
207 |
|
---|
208 | a_pResponse->reset();
|
---|
209 | if (!a_rRequest.hasAssignmentErrors())
|
---|
210 | {
|
---|
211 | /*
|
---|
212 | * Initialize the HTTP instance.
|
---|
213 | */
|
---|
214 | rc = reinitHttpInstance();
|
---|
215 | if (RT_SUCCESS(rc))
|
---|
216 | {
|
---|
217 | hHttp = m_hHttp;
|
---|
218 | Assert(hHttp != NIL_RTHTTP);
|
---|
219 |
|
---|
220 | /*
|
---|
221 | * Prepare the response side.
|
---|
222 | */
|
---|
223 | rc = a_pResponse->receivePrepare(hHttp);
|
---|
224 | if (RT_SUCCESS(rc))
|
---|
225 | {
|
---|
226 | /*
|
---|
227 | * Prepare the request for the transmission.
|
---|
228 | */
|
---|
229 | RTCString strExtraPath;
|
---|
230 | RTCString strQuery;
|
---|
231 | RTCString strXmitBody;
|
---|
232 | rc = a_rRequest.xmitPrepare(&strExtraPath, &strQuery, hHttp, &strXmitBody);
|
---|
233 | if (RT_SUCCESS(rc))
|
---|
234 | {
|
---|
235 | /*
|
---|
236 | * Construct the full URL.
|
---|
237 | */
|
---|
238 | RTCString strFullUrl;
|
---|
239 | rc = strFullUrl.assignNoThrow(getServerUrl());
|
---|
240 | if (strExtraPath.isNotEmpty())
|
---|
241 | {
|
---|
242 | if (!strExtraPath.startsWith("/") && !strFullUrl.endsWith("/") && RT_SUCCESS(rc))
|
---|
243 | rc = strFullUrl.appendNoThrow('/');
|
---|
244 | if (RT_SUCCESS(rc))
|
---|
245 | rc = strFullUrl.appendNoThrow(strExtraPath);
|
---|
246 | strExtraPath.setNull();
|
---|
247 | }
|
---|
248 | if (strQuery.isNotEmpty())
|
---|
249 | {
|
---|
250 | Assert(strQuery.startsWith("?"));
|
---|
251 | rc = strFullUrl.appendNoThrow(strQuery);
|
---|
252 | strQuery.setNull();
|
---|
253 | }
|
---|
254 | if (RT_SUCCESS(rc))
|
---|
255 | {
|
---|
256 | rc = xmitReady(hHttp, strFullUrl, a_enmHttpMethod, strXmitBody, a_fFlags);
|
---|
257 | if (RT_SUCCESS(rc))
|
---|
258 | {
|
---|
259 | /*
|
---|
260 | * Perform HTTP request.
|
---|
261 | */
|
---|
262 | uint32_t uHttpStatus = 0;
|
---|
263 | size_t cbBody = 0;
|
---|
264 | void *pvBody = NULL;
|
---|
265 | rc = RTHttpPerform(hHttp, strFullUrl.c_str(), a_enmHttpMethod,
|
---|
266 | strXmitBody.c_str(), strXmitBody.length(),
|
---|
267 | &uHttpStatus, NULL /*ppvHdrs*/, NULL /*pcbHdrs*/, &pvBody, &cbBody);
|
---|
268 | if (RT_SUCCESS(rc))
|
---|
269 | {
|
---|
270 | a_rRequest.xmitComplete(uHttpStatus, hHttp);
|
---|
271 |
|
---|
272 | /*
|
---|
273 | * Do response processing.
|
---|
274 | */
|
---|
275 | a_pResponse->receiveComplete(uHttpStatus, hHttp);
|
---|
276 | a_pResponse->consumeBody((const char *)pvBody, cbBody);
|
---|
277 | if (pvBody)
|
---|
278 | RTHttpFreeResponse(pvBody);
|
---|
279 | a_pResponse->receiveFinal();
|
---|
280 |
|
---|
281 | return a_pResponse->getStatus();
|
---|
282 | }
|
---|
283 | }
|
---|
284 | }
|
---|
285 | }
|
---|
286 | a_rRequest.xmitComplete(rc, hHttp);
|
---|
287 | }
|
---|
288 | }
|
---|
289 | }
|
---|
290 | else
|
---|
291 | rc = VERR_NO_MEMORY;
|
---|
292 |
|
---|
293 | a_pResponse->receiveComplete(rc, hHttp);
|
---|
294 | RT_NOREF_PV(a_pszMethod);
|
---|
295 |
|
---|
296 | return a_pResponse->getStatus();
|
---|
297 | }
|
---|
298 |
|
---|