summaryrefslogtreecommitdiffstats
path: root/plugins/scanfolder/scanfolder.cpp
blob: 3c30299a78e7507f3fb76f9d4ddc48e026e610eb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
/***************************************************************************
 *   Copyright (C) 2006 by Ivan Vasić   								   *
 *   ivasic@gmail.com   												   *
 *                                                                         *
 *   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; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/
#include "scanfolder.h"

#include <kdirlister.h>
#include <kfileitem.h>
#include <klocale.h>
#include <kio/job.h>

#include <qstring.h>
#include <qobject.h>
#include <qfile.h>
#include <qvaluelist.h>

#include <torrent/globals.h>
#include <util/log.h>
#include <util/fileops.h>
#include <util/functions.h>
#include <util/constants.h>
		
#include <torrent/bnode.h>
#include <torrent/bdecoder.h>

#include <interfaces/coreinterface.h>

using namespace bt;

namespace kt
{

	ScanFolder::ScanFolder(CoreInterface* core, QString& dir, LoadedTorrentAction action, bool openSilently)
			: m_core(core), m_dir(0), m_loadedAction(action), m_openSilently(openSilently)
	{
		m_dir = new KDirLister();

		if(!m_dir->openURL(dir)) {
			m_valid = false;
			return;
		} else
			m_valid = true;

		m_dir->setShowingDotFiles(true);

		connect(m_dir, SIGNAL(newItems( const KFileItemList& )), this, SLOT(onNewItems( const KFileItemList& )));
		connect(m_core, SIGNAL(loadingFinished( const KURL&, bool, bool )), this, SLOT(onLoadingFinished( const KURL&, bool, bool )));
		connect(&m_incomplePollingTimer,SIGNAL(timeout()),this,SLOT(onIncompletePollingTimeout()));
	}


	ScanFolder::~ScanFolder()
	{
// 		Out() << "UNLOADING SCANFOLDER: " << m_dir->url().path() << endl;
		delete m_dir;
	}

	void ScanFolder::onNewItems(const KFileItemList& items)
	{
		KFileItemList list = items;
		KFileItem* file;
		for(file=list.first(); file; file=list.next()) 
		{
			QString name = file->name();
			QString dirname = m_dir->url().path();
			QString filename = dirname + bt::DirSeparator() + name;

			if(!name.endsWith(".torrent"))
				continue;

			if(name.startsWith(".")) 
			{
				//Check if corresponding torrent exists
				if(!QFile::exists(m_dir->url().path() + bt::DirSeparator() + name.right(name.length() - 1)) && (m_loadedAction == defaultAction))
					QFile::remove(filename);

				continue;
			}

			KURL source;
			source.setPath(filename);

			//If torrent has it's hidden complement - skip it.
			if(QFile::exists(dirname + "/." + name))
				continue;
			
			if (incomplete(source))
			{
				// incomplete file, try this again in 10 seconds
				bt::Out(SYS_SNF|LOG_NOTICE) << "ScanFolder : incomplete file " << source << endl;
				m_incompleteURLs.append(source);
				if (m_incompleteURLs.count() == 1)
				{
					// first URL so start the poll timer
					// lets poll every 10 seconds
					m_incomplePollingTimer.start(10000,false);
				}
			}
			else
			{
				bt::Out(SYS_SNF|LOG_NOTICE) << "ScanFolder : found " << source << endl;
				//Add pending entry...
				m_pendingURLs.push_back(source);
				
				//Load torrent
				if(m_openSilently)
					m_core->loadSilently(source);
				else
					m_core->load(source);
			}
		}
	}
	
	void ScanFolder::onLoadingFinished(const KURL & url, bool success, bool canceled)
	{
		if(m_pendingURLs.empty() || !success)
			return;
		
		//search for entry
		QValueList<KURL>::iterator it = m_pendingURLs.find(url);
		
		//if no entry is found than this torrent was not started by this plugin so - quit
		if(it == m_pendingURLs.end())
			return;
		
		//remove this entry
		m_pendingURLs.erase(it);
		
		if(canceled)
			return;
		
		QString name = url.filename(false);
		QString dirname = m_dir->url().path();
		QString filename = dirname + "/" + name;
		KURL destination(dirname + "/" + i18n("loaded") + "/" + name);
		
		switch(m_loadedAction) {
			case deleteAction:
					//If torrent has it's hidden complement - remove it too.
				if(QFile::exists(dirname + "/." + name))
					QFile::remove(dirname + "/." + name);
					// 				Out() << "Deleting: " << name.ascii() << endl;
				QFile::remove(filename);
				break;
			case moveAction:
					// 				Out() << "Moving: " << name.ascii() << endl;
					//If torrent has it's hidden complement - remove it too.
				if(QFile::exists(dirname + "/." + name))
					QFile::remove(dirname + "/." + name);

				// NetAccess considered harmfull !!!
				KIO::file_move(url, destination);
				break;
			case defaultAction:
				QFile f(dirname + "/." + name);
				f.open(IO_WriteOnly);
				f.close();
				break;
		}
	}

	void ScanFolder::setOpenSilently(bool theValue)
	{
		m_openSilently = theValue;
	}

	void ScanFolder::setLoadedAction(const LoadedTorrentAction& theValue)
	{
		m_loadedAction = theValue;

		QDir tmp(m_dir->url().path());

		if( (m_loadedAction == moveAction) && !tmp.exists(i18n("loaded"), false))
			tmp.mkdir(i18n("loaded"), false);
	}

	void ScanFolder::setFolderUrl(QString& url)
	{
		if(!m_dir->openURL(url)) {
			m_valid = false;
			return;
		} else
			m_valid = true;
	}
	
	bool ScanFolder::incomplete(const KURL & src)
	{
		// try to decode file, if it is syntactically correct, we can try to load it
		QFile fptr(src.path());
		if (!fptr.open(IO_ReadOnly))
			return false;
		
		try
		{
			QByteArray data(fptr.size());
			fptr.readBlock(data.data(),fptr.size());
			bt::BDecoder dec(data,false);
			bt::BNode* n = dec.decode();
			if (n)
			{
				// valid node, so file is complete
				delete n;
				return false;
			}
			else
			{
				// decoding failed so incomplete
				return true;
			}
		}
		catch (...)
		{
			// any error means shit happened and the file is incomplete
			return true;
		}
		return false;
	}
	
	void ScanFolder::onIncompletePollingTimeout()
	{
		bt::Out(SYS_SNF|LOG_NOTICE) << "ScanFolder : checking incomplete files" << endl; 
		for (QValueList<KURL>::iterator i = m_incompleteURLs.begin(); i != m_incompleteURLs.end();)
		{
			KURL source = *i;
			if (!bt::Exists(source.path()))
			{
				// doesn't exist anymore, so throw out of list
				i = m_incompleteURLs.erase(i);
			}
			else if (!incomplete(source))
			{
				bt::Out(SYS_SNF|LOG_NOTICE) << "ScanFolder : incomplete file " << source << " appears to be completed " << endl;
				//Add pending entry...
				m_pendingURLs.push_back(source);
				
				//Load torrent
				if(m_openSilently)
					m_core->loadSilently(source);
				else
					m_core->load(source);
				
				// remove from incomplete list
				i = m_incompleteURLs.erase(i);
			}
			else
			{
				bt::Out(SYS_SNF|LOG_NOTICE) << "ScanFolder : still incomplete : " << source << endl;
				i++;
			}
		}
		
		// stop timer when no incomple URL's are left
		if (m_incompleteURLs.count() == 0)
			m_incomplePollingTimer.stop();
	}
}

#include "scanfolder.moc"