aboutsummaryrefslogtreecommitdiffstats
path: root/backend/magiback
blob: 4e8691035e125771b4d82db02fd032c60fc752f9 (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
#!/usr/bin/python3

from gi.repository import GLib
from pydbus import SystemBus
import raw_write
import logging
import threading

DEAMON_ORG = 'org.mageia.Magiback'
DEAMON_INTERFACE = DEAMON_ORG
ISODUMPER_INTERFACE = DEAMON_ORG + ".Isodumper"
logger = logging.getLogger('magiback.system')


class Isodumper(raw_write.Dumper):
    """
		<node>
			<interface name='org.mageia.Magiback.Isodumper'>
				<method name='do_write'>
					<arg type='s' name='source' direction='in'/>
					<arg type='s' name='target' direction='in'/>
				</method>
				<method name='do_unmount'>
					<arg type='s' name='device' direction='in'/>
					<arg type='b' name='success' direction='out'/>
					<arg type='s' name='message' direction='out'/>
				</method>
				<method name='do_format'>
					<arg type='s' name='device' direction='in'/>
					<arg type='s' name='format' direction='in'/>
					<arg type='b' name='success' direction='out'/>
					<arg type='s' name='message' direction='out'/>
				</method>
				<method name='check_write'>
					<arg type='s' name='target' direction='in'/>
					<arg type='s' name='source' direction='in'/>
				</method>
				<method name='end'>
					<arg type='b' name='success' direction='out'/>
					<arg type='s' name='message' direction='out'/>
				</method>
                <property name="done" type="b" access="read"/>
                <property name="progress" type="i" access="read"/>
                <property name="message" type="s" access="read"/>
                <property name="state" type="b" access="read"/>
			</interface>
		</node>
    """
    def __init__(self):
        super().__init__()
        self.finished = threading.Event()
        self._progress = 0
        self.loop = GLib.MainLoop()
        self.return_state = False
        self.return_message = ""
        self.authorized_sender_read = set()
        self.authorized_sender_write = set()

    def do_write(self,source, target, dbus_context):
        if check_permission('org.mageia.Magiback.Isodumper.write',dbus_context):
            print("Writing")
            self.finished.clear()
            self.thread = threading.Thread(target=self._do_write, args=(source, target, ))
            self.thread.start()
        else:
            self.return_message = "Access denied"
            self.finished.set()

    @property
    def done(self):
        return self.finished.wait(1)
        
    @property
    def message(self):
        return self.return_message

    @property
    def state(self):
        return self.return_state

    def end(self):
        if hasattr(self, 'thread'):
            self.thread.join()
        self._progress = 0
        self.finished.clear()
        return self.return_state, self.return_message

    @property
    def progress(self):
        return self._progress

    def do_unmount(self, device):
        print("Unmounting")
        return self._do_unmount([device])

    def check_write(self,target, source):
        self.thread = threading.Thread(target=self._check_write, args=(target, source,))
        self.thread.start()
        
    def run(self):
       self.loop.run()

def check_permission(action, dbus_context):
        """ Check permission
        """
        return dbus_context.is_authorized(action, {'polkit.icon_name': 'isodumper.png',}, interactive=True)
  
class ConfFile(object):
    """
		<node>
			<interface name='org.mageia.Magiback'>
				<method name='setName'>
					<arg type='s' name='a' direction='in'/>
				</method>
				<method name='getFile'>
					<arg type='s' name='content' direction='out'/>
				</method>
				<method name='saveFile'>
					<arg type='s' name='content' direction='in'/>
				</method>
			</interface>
		</node>
    """
    def __init__(self):
        super().__init__()
    
    def setName(self,file_name):
        self.file_name = file_name

    def getFile(self):
        with open(self.file_name,'r') as tcf :
            # read the file
            content=""
            while 1:
                line = tcf.readline()
                if not line:
                    break
                content += line
        return content
    
    def saveFile(self, tc, dbus_context):
        if check_permission('org.mageia.Magiback.write',dbus_context):
            try:
                with open(self.file_name,'w') as tcf :
                    tcf.write(tc)
            except:
                return False
            return True

if __name__ == '__main__':
    print("Running Magiback service.")

    bus = SystemBus()
    conf_file =  ConfFile()
    bus.publish(DEAMON_ORG, conf_file,
        ("Isodumper", Isodumper()))
    loop = GLib.MainLoop()
    loop.run()