summaryrefslogtreecommitdiffstats
path: root/qt/qdbusutil.cpp
blob: e10b302075538231ab8f978ae4777ea8c9a1c00c (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
/* -*- C++ -*-
 *
 * Copyright (C) 2006 Trolltech AS. All rights reserved.
 *    Author: Thiago Macieira <thiago.macieira@trolltech.com>
 *
 * Licensed under the Academic Free License version 2.1
 *
 * 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 "qdbusutil.h"

#include <dbus/dbus.h>

#include <QtCore/qstringlist.h>
#include <QtCore/qregexp.h>

namespace QDBusUtil
{

    bool isValidInterfaceName(const QString& ifaceName)
    {
        if (ifaceName.isEmpty() || ifaceName.length() > DBUS_MAXIMUM_NAME_LENGTH)
            return false;

        QStringList parts = ifaceName.split('.');
        if (parts.count() < 2)
            return false;           // at least two parts

        foreach (QString part, parts)
            if (!isValidMemberName(part))
                return false;

        return true;
    }

    bool isValidUniqueConnectionName(const QString &connName)
    {
        if (connName.isEmpty() || connName.length() > DBUS_MAXIMUM_NAME_LENGTH ||
            !connName.startsWith(':'))
            return false;

        QStringList parts = connName.mid(1).split('.');
        if (parts.count() < 1)
            return false;

        QRegExp regex("[a-zA-Z0-9_-]+");
        foreach (QString part, parts)
            if (!regex.exactMatch(part))
                return false;

        return true;
    }
    
    bool isValidBusName(const QString &busName)
    {
        if (busName.isEmpty() || busName.length() > DBUS_MAXIMUM_NAME_LENGTH)
            return false;

        if (busName.startsWith(':'))
            return isValidUniqueConnectionName(busName);

        QStringList parts = busName.split('.');
        if (parts.count() < 1)
            return false;

        QRegExp regex("[a-zA-Z_-][a-zA-Z0-9_-]*");
        foreach (QString part, parts)
            if (!regex.exactMatch(part))
                return false;

        return true;
    }

    bool isValidMemberName(const QString &memberName)
    {
        if (memberName.isEmpty() || memberName.length() > DBUS_MAXIMUM_NAME_LENGTH)
            return false;

        QRegExp regex("[a-zA-Z0-9_]+");
        return regex.exactMatch(memberName);
    }

    bool isValidErrorName(const QString &errorName)
    {
        return isValidInterfaceName(errorName);
    }

    bool isValidObjectPath(const QString &path)
    {
        if (path == QLatin1String("/"))
            return true;

        if (!path.startsWith('/') || path.indexOf(QLatin1String("//")) != -1 ||
            path.endsWith('/'))
            return false;

        QStringList parts = path.split('/');
        Q_ASSERT(parts.count() >= 1);
        parts.removeFirst();    // it starts with /, so we get an empty first part
 
        QRegExp regex("[a-zA-Z0-9_]+");
        foreach (QString part, parts)
            if (!regex.exactMatch(part))
                return false;

        return true;
    }

    bool isValidSignature(const QString &signature)
    {
        return dbus_signature_validate(signature.toUtf8(), 0);
    }

    bool isValidSingleSignature(const QString &signature)
    {
        return dbus_signature_validate_single(signature.toUtf8(), 0);
    }
    
} // namespace QDBusUtil