DnDURIList.cpp@ 55998

Last change on this file since 55998 was 55805, checked in by vboxsync, 10 years ago
DnDURIList: Implemented resolving symlinks.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 16.1 KB

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1	/* $Id: DnDURIList.cpp 55805 2015-05-11 15:00:35Z vboxsync $ */
2	/** @file
3	* DnD: URI list class.
4	*/
5
6	/*
7	* Copyright (C) 2014-2015 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
18	/******************************************************************************
19	* Header Files *
20	******************************************************************************/
21
22	#include <iprt/dir.h>
23	#include <iprt/file.h>
24	#include <iprt/fs.h>
25	#include <iprt/path.h>
26	#include <iprt/symlink.h>
27	#include <iprt/uri.h>
28
29	#ifdef LOG_GROUP
30	#undef LOG_GROUP
31	#endif
32	#define LOG_GROUP LOG_GROUP_GUEST_DND
33	#include <VBox/log.h>
34
35	#include <VBox/GuestHost/DragAndDrop.h>
36
37	DnDURIList::DnDURIList(void)
38	: m_cTotal(0)
39	, m_cbTotal(0)
40	{
41	}
42
43	DnDURIList::~DnDURIList(void)
44	{
45	}
46
47	int DnDURIList::addEntry(const char pcszSource, const char pcszTarget, uint32_t fFlags)
48	{
49	AssertPtrReturn(pcszSource, VERR_INVALID_POINTER);
50	AssertPtrReturn(pcszTarget, VERR_INVALID_POINTER);
51
52	LogFlowFunc(("pcszSource=%s, pcszTarget=%s\n", pcszSource, pcszTarget));
53
54	RTFSOBJINFO objInfo;
55	int rc = RTPathQueryInfo(pcszSource, &objInfo, RTFSOBJATTRADD_NOTHING);
56	if (RT_SUCCESS(rc))
57	{
58	if (RTFS_IS_FILE(objInfo.Attr.fMode))
59	{
60	LogFlowFunc(("File '%s' -> '%s'\n", pcszSource, pcszTarget));
61
62	m_lstTree.append(DnDURIObject(DnDURIObject::File, pcszSource, pcszTarget,
63	objInfo.Attr.fMode, (uint64_t)objInfo.cbObject));
64	m_cTotal++;
65	m_cbTotal += (uint64_t)objInfo.cbObject;
66	}
67	else if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
68	{
69	LogFlowFunc(("Directory '%s' -> '%s' \n", pcszSource, pcszTarget));
70
71	m_lstTree.append(DnDURIObject(DnDURIObject::Directory, pcszSource, pcszTarget,
72	objInfo.Attr.fMode, 0 /* Size */));
73	m_cTotal++;
74	}
75	/* Note: Symlinks already should have been resolved at this point. */
76	else
77	rc = VERR_NOT_SUPPORTED;
78	}
79
80	LogFlowFuncLeaveRC(rc);
81	return rc;
82	}
83
84	int DnDURIList::appendPathRecursive(const char *pcszSrcPath,
85	const char pcszDstPath, const char pcszDstBase, size_t cchDstBase, uint32_t fFlags)
86	{
87	AssertPtrReturn(pcszSrcPath, VERR_INVALID_POINTER);
88	AssertPtrReturn(pcszDstBase, VERR_INVALID_POINTER);
89	AssertPtrReturn(pcszDstPath, VERR_INVALID_POINTER);
90
91	LogFlowFunc(("pcszSrcPath=%s, pcszDstPath=%s, pcszDstBase=%s, cchDstBase=%zu\n",
92	pcszSrcPath, pcszDstPath, pcszDstBase, cchDstBase));
93
94	RTFSOBJINFO objInfo;
95	int rc = RTPathQueryInfo(pcszSrcPath, &objInfo, RTFSOBJATTRADD_NOTHING);
96	if (RT_SUCCESS(rc))
97	{
98	if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
99	{
100	rc = addEntry(pcszSrcPath, &pcszDstPath[cchDstBase], fFlags);
101
102	PRTDIR hDir;
103	if (RT_SUCCESS(rc))
104	rc = RTDirOpen(&hDir, pcszSrcPath);
105	if (RT_SUCCESS(rc))
106	{
107	do
108	{
109	RTDIRENTRY DirEntry;
110	rc = RTDirRead(hDir, &DirEntry, NULL);
111	if (RT_FAILURE(rc))
112	{
113	if (rc == VERR_NO_MORE_FILES)
114	rc = VINF_SUCCESS;
115	break;
116	}
117
118	switch (DirEntry.enmType)
119	{
120	case RTDIRENTRYTYPE_DIRECTORY:
121	{
122	/* Skip "." and ".." entries. */
123	if ( RTStrCmp(DirEntry.szName, ".") == 0
124	\|\| RTStrCmp(DirEntry.szName, "..") == 0)
125	break;
126
127	char *pszSrc = RTPathJoinA(pcszSrcPath, DirEntry.szName);
128	if (pszSrc)
129	{
130	char *pszDst = RTPathJoinA(pcszDstPath, DirEntry.szName);
131	if (pszDst)
132	{
133	rc = appendPathRecursive(pszSrc, pszDst, pcszDstBase, cchDstBase, fFlags);
134	RTStrFree(pszDst);
135	}
136	else
137	rc = VERR_NO_MEMORY;
138
139	RTStrFree(pszSrc);
140	}
141	else
142	rc = VERR_NO_MEMORY;
143	break;
144	}
145
146	case RTDIRENTRYTYPE_FILE:
147	{
148	char *pszSrc = RTPathJoinA(pcszSrcPath, DirEntry.szName);
149	if (pszSrc)
150	{
151	char *pszDst = RTPathJoinA(pcszDstPath, DirEntry.szName);
152	if (pszDst)
153	{
154	rc = addEntry(pszSrc, &pszDst[cchDstBase], fFlags);
155	RTStrFree(pszDst);
156	}
157	else
158	rc = VERR_NO_MEMORY;
159	RTStrFree(pszSrc);
160	}
161	else
162	rc = VERR_NO_MEMORY;
163	break;
164	}
165	case RTDIRENTRYTYPE_SYMLINK:
166	{
167	if (fFlags & DNDURILIST_FLAGS_RESOLVE_SYMLINKS)
168	{
169	char *pszSrc = RTPathRealDup(pcszDstBase);
170	if (pszSrc)
171	{
172	rc = RTPathQueryInfo(pszSrc, &objInfo, RTFSOBJATTRADD_NOTHING);
173	if (RT_SUCCESS(rc))
174	{
175	if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
176	{
177	LogFlowFunc(("Directory entry is symlink to directory\n"));
178	rc = appendPathRecursive(pszSrc, pcszDstPath, pcszDstBase, cchDstBase, fFlags);
179	}
180	else if (RTFS_IS_FILE(objInfo.Attr.fMode))
181	{
182	LogFlowFunc(("Directory entry is symlink to file\n"));
183	rc = addEntry(pszSrc, &pcszDstPath[cchDstBase], fFlags);
184	}
185	else
186	rc = VERR_NOT_SUPPORTED;
187	}
188
189	RTStrFree(pszSrc);
190	}
191	else
192	rc = VERR_NO_MEMORY;
193	}
194	break;
195	}
196
197	default:
198	break;
199	}
200
201	} while (RT_SUCCESS(rc));
202
203	RTDirClose(hDir);
204	}
205	}
206	else if (RTFS_IS_FILE(objInfo.Attr.fMode))
207	{
208	rc = addEntry(pcszSrcPath, &pcszDstPath[cchDstBase], fFlags);
209	}
210	else if (RTFS_IS_SYMLINK(objInfo.Attr.fMode))
211	{
212	if (fFlags & DNDURILIST_FLAGS_RESOLVE_SYMLINKS)
213	{
214	char *pszSrc = RTPathRealDup(pcszSrcPath);
215	if (pszSrc)
216	{
217	rc = RTPathQueryInfo(pszSrc, &objInfo, RTFSOBJATTRADD_NOTHING);
218	if (RT_SUCCESS(rc))
219	{
220	if (RTFS_IS_DIRECTORY(objInfo.Attr.fMode))
221	{
222	LogFlowFunc(("Symlink to directory\n"));
223	rc = appendPathRecursive(pszSrc, pcszDstPath, pcszDstBase, cchDstBase, fFlags);
224	}
225	else if (RTFS_IS_FILE(objInfo.Attr.fMode))
226	{
227	LogFlowFunc(("Symlink to file\n"));
228	rc = addEntry(pszSrc, &pcszDstPath[cchDstBase], fFlags);
229	}
230	else
231	rc = VERR_NOT_SUPPORTED;
232	}
233
234	RTStrFree(pszSrc);
235	}
236	else
237	rc = VERR_NO_MEMORY;
238	}
239	}
240	else
241	rc = VERR_NOT_SUPPORTED;
242	}
243
244	LogFlowFuncLeaveRC(rc);
245	return rc;
246	}
247
248	int DnDURIList::AppendNativePath(const char *pszPath, uint32_t fFlags)
249	{
250	AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
251
252	int rc;
253	char *pszPathNative = RTStrDup(pszPath);
254	if (pszPathNative)
255	{
256	RTPathChangeToUnixSlashes(pszPathNative, true /* fForce */);
257
258	char pszPathURI = RTUriCreate("file" / pszScheme /, "/" / pszAuthority */,
259	pszPathNative, NULL /* pszQuery /, NULL / pszFragment */);
260	if (pszPathURI)
261	{
262	rc = AppendURIPath(pszPathURI, fFlags);
263	RTStrFree(pszPathURI);
264	}
265	else
266	rc = VERR_INVALID_PARAMETER;
267
268	RTStrFree(pszPathNative);
269	}
270	else
271	rc = VERR_NO_MEMORY;
272
273	return rc;
274	}
275
276	int DnDURIList::AppendNativePathsFromList(const char *pszNativePaths, size_t cbNativePaths,
277	uint32_t fFlags)
278	{
279	AssertPtrReturn(pszNativePaths, VERR_INVALID_POINTER);
280	AssertReturn(cbNativePaths, VERR_INVALID_PARAMETER);
281
282	RTCList<RTCString> lstPaths
283	= RTCString(pszNativePaths, cbNativePaths - 1).split("\r\n");
284	return AppendNativePathsFromList(lstPaths, fFlags);
285	}
286
287	int DnDURIList::AppendNativePathsFromList(const RTCList<RTCString> &lstNativePaths,
288	uint32_t fFlags)
289	{
290	int rc = VINF_SUCCESS;
291
292	for (size_t i = 0; i < lstNativePaths.size(); i++)
293	{
294	const RTCString &strPath = lstNativePaths.at(i);
295	rc = AppendNativePath(strPath.c_str(), fFlags);
296	if (RT_FAILURE(rc))
297	break;
298	}
299
300	LogFlowFuncLeaveRC(rc);
301	return rc;
302	}
303
304	int DnDURIList::AppendURIPath(const char *pszURI, uint32_t fFlags)
305	{
306	AssertPtrReturn(pszURI, VERR_INVALID_POINTER);
307
308	/** @todo Check for string termination? */
309	#ifdef DEBUG_andy
310	LogFlowFunc(("pszPath=%s, fFlags=0x%x\n", pszURI, fFlags));
311	#endif
312	int rc = VINF_SUCCESS;
313
314	/* Query the path component of a file URI. If this hasn't a
315	* file scheme NULL is returned. */
316	char *pszSrcPath = RTUriFilePath(pszURI, URI_FILE_FORMAT_AUTO);
317	if (pszSrcPath)
318	{
319	/* Add the path to our internal file list (recursive in
320	* the case of a directory). */
321	size_t cbPathLen = RTPathStripTrailingSlash(pszSrcPath);
322	if (cbPathLen)
323	{
324	char *pszFileName = RTPathFilename(pszSrcPath);
325	if (pszFileName)
326	{
327	Assert(pszFileName >= pszSrcPath);
328	size_t cchDstBase = (fFlags & DNDURILIST_FLAGS_ABSOLUTE_PATHS)
329	? 0 /* Use start of path as root. */
330	: pszFileName - pszSrcPath;
331	char *pszDstPath = &pszSrcPath[cchDstBase];
332	m_lstRoot.append(pszDstPath);
333
334	LogFlowFunc(("pszFilePath=%s, pszFileName=%s, pszRoot=%s\n",
335	pszSrcPath, pszFileName, pszDstPath));
336
337	rc = appendPathRecursive(pszSrcPath, pszSrcPath, pszSrcPath, cchDstBase, fFlags);
338	}
339	else
340	rc = VERR_PATH_NOT_FOUND;
341	}
342	else
343	rc = VERR_INVALID_PARAMETER;
344
345	RTStrFree(pszSrcPath);
346	}
347	else
348	rc = VERR_INVALID_PARAMETER;
349
350	LogFlowFuncLeaveRC(rc);
351	return rc;
352	}
353
354	int DnDURIList::AppendURIPathsFromList(const char *pszURIPaths, size_t cbURIPaths,
355	uint32_t fFlags)
356	{
357	AssertPtrReturn(pszURIPaths, VERR_INVALID_POINTER);
358	AssertReturn(cbURIPaths, VERR_INVALID_PARAMETER);
359
360	RTCList<RTCString> lstPaths
361	= RTCString(pszURIPaths, cbURIPaths - 1).split("\r\n");
362	return AppendURIPathsFromList(lstPaths, fFlags);
363	}
364
365	int DnDURIList::AppendURIPathsFromList(const RTCList<RTCString> &lstURI,
366	uint32_t fFlags)
367	{
368	int rc = VINF_SUCCESS;
369
370	for (size_t i = 0; i < lstURI.size(); i++)
371	{
372	RTCString strURI = lstURI.at(i);
373	rc = AppendURIPath(strURI.c_str(), fFlags);
374
375	if (RT_FAILURE(rc))
376	break;
377	}
378
379	LogFlowFuncLeaveRC(rc);
380	return rc;
381	}
382
383	void DnDURIList::Clear(void)
384	{
385	m_lstRoot.clear();
386	m_lstTree.clear();
387
388	m_cbTotal = 0;
389	}
390
391	void DnDURIList::RemoveFirst(void)
392	{
393	if (m_lstTree.isEmpty())
394	return;
395
396	DnDURIObject &curPath = m_lstTree.first();
397
398	uint64_t cbSize = curPath.GetSize();
399	Assert(m_cbTotal >= cbSize);
400	m_cbTotal -= cbSize; /* Adjust total size. */
401
402	m_lstTree.removeFirst();
403	}
404
405	int DnDURIList::RootFromURIData(const void *pvData, size_t cbData, uint32_t fFlags)
406	{
407	AssertPtrReturn(pvData, VERR_INVALID_POINTER);
408	AssertReturn(cbData, VERR_INVALID_PARAMETER);
409
410	RTCList<RTCString> lstURI =
411	RTCString(static_cast<const char*>(pvData), cbData - 1).split("\r\n");
412	if (lstURI.isEmpty())
413	return VINF_SUCCESS;
414
415	int rc = VINF_SUCCESS;
416
417	for (size_t i = 0; i < lstURI.size(); ++i)
418	{
419	/* Query the path component of a file URI. If this hasn't a
420	* file scheme, NULL is returned. */
421	const char *pszURI = lstURI.at(i).c_str();
422	char *pszFilePath = RTUriFilePath(pszURI,
423	URI_FILE_FORMAT_AUTO);
424	#ifdef DEBUG_andy
425	LogFlowFunc(("pszURI=%s, pszFilePath=%s\n", pszURI, pszFilePath));
426	#endif
427	if (pszFilePath)
428	{
429	rc = DnDPathSanitize(pszFilePath, strlen(pszFilePath));
430	if (RT_SUCCESS(rc))
431	{
432	m_lstRoot.append(pszFilePath);
433	m_cTotal++;
434	}
435
436	RTStrFree(pszFilePath);
437	}
438	else
439	rc = VERR_INVALID_PARAMETER;
440
441	if (RT_FAILURE(rc))
442	break;
443	}
444
445	return rc;
446	}
447
448	RTCString DnDURIList::RootToString(const RTCString &strPathBase /* = "" */,
449	const RTCString &strSeparator /* = "\r\n" */)
450	{
451	RTCString strRet;
452	for (size_t i = 0; i < m_lstRoot.size(); i++)
453	{
454	const char *pszCurRoot = m_lstRoot.at(i).c_str();
455	#ifdef DEBUG_andy
456	LogFlowFunc(("pszCurRoot=%s\n", pszCurRoot));
457	#endif
458	if (strPathBase.isNotEmpty())
459	{
460	char *pszPath = RTPathJoinA(strPathBase.c_str(), pszCurRoot);
461	if (pszPath)
462	{
463	char *pszPathURI = RTUriFileCreate(pszPath);
464	if (pszPathURI)
465	{
466	strRet += RTCString(pszPathURI) + strSeparator;
467	LogFlowFunc(("URI: %s\n", strRet.c_str()));
468	RTStrFree(pszPathURI);
469	}
470	else
471	break;
472	RTStrFree(pszPath);
473	}
474	else
475	break;
476	}
477	else
478	{
479	char *pszPathURI = RTUriFileCreate(pszCurRoot);
480	if (pszPathURI)
481	{
482	strRet += RTCString(pszPathURI) + strSeparator;
483	LogFlowFunc(("URI: %s\n", strRet.c_str()));
484	RTStrFree(pszPathURI);
485	}
486	else
487	break;
488	}
489	}
490
491	return strRet;
492	}
493

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source: vbox/trunk/src/VBox/GuestHost/DragAndDrop/DnDURIList.cpp@ 55998

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