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
|
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.content.pm;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
/**
* Information you can retrieve about a particular security permission
* known to the system. This corresponds to information collected from the
* AndroidManifest.xml's <permission> tags.
*/
public class PermissionInfo extends PackageItemInfo implements Parcelable {
/**
* A normal application value for {@link #protectionLevel}, corresponding
* to the <code>normal</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_NORMAL = 0;
/**
* Dangerous value for {@link #protectionLevel}, corresponding
* to the <code>dangerous</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_DANGEROUS = 1;
/**
* System-level value for {@link #protectionLevel}, corresponding
* to the <code>signature</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_SIGNATURE = 2;
/**
* System-level value for {@link #protectionLevel}, corresponding
* to the <code>signatureOrSystem</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_SIGNATURE_OR_SYSTEM = 3;
/**
* Additional flag for {@link #protectionLevel}, corresponding
* to the <code>system</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_FLAG_SYSTEM = 0x10;
/**
* Additional flag for {@link #protectionLevel}, corresponding
* to the <code>development</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_FLAG_DEVELOPMENT = 0x20;
/**
* Additional flag for {@link #protectionLevel}, corresponding
* to the <code>appop</code> value of
* {@link android.R.attr#protectionLevel}.
*/
public static final int PROTECTION_FLAG_APPOP = 0x40;
/**
* Mask for {@link #protectionLevel}: the basic protection type.
*/
public static final int PROTECTION_MASK_BASE = 0xf;
/**
* Mask for {@link #protectionLevel}: additional flag bits.
*/
public static final int PROTECTION_MASK_FLAGS = 0xf0;
/**
* The level of access this permission is protecting, as per
* {@link android.R.attr#protectionLevel}. Values may be
* {@link #PROTECTION_NORMAL}, {@link #PROTECTION_DANGEROUS}, or
* {@link #PROTECTION_SIGNATURE}. May also include the additional
* flags {@link #PROTECTION_FLAG_SYSTEM} or {@link #PROTECTION_FLAG_DEVELOPMENT}
* (which only make sense in combination with the base
* {@link #PROTECTION_SIGNATURE}.
*/
public int protectionLevel;
/**
* The group this permission is a part of, as per
* {@link android.R.attr#permissionGroup}.
*/
public String group;
/**
* Flag for {@link #flags}, corresponding to <code>costsMoney</code>
* value of {@link android.R.attr#permissionFlags}.
*/
public static final int FLAG_COSTS_MONEY = 1<<0;
/**
* Flag for {@link #protectionLevel}, corresponding
* to the <code>hide</code> value of
* {@link android.R.attr#permissionFlags}.
* @hide
*/
public static final int PROTECTION_FLAG_HIDE = 1<<1;
/**
* Additional flags about this permission as given by
* {@link android.R.attr#permissionFlags}.
*/
public int flags;
/**
* A string resource identifier (in the package's resources) of this
* permission's description. From the "description" attribute or,
* if not set, 0.
*/
public int descriptionRes;
/**
* The description string provided in the AndroidManifest file, if any. You
* probably don't want to use this, since it will be null if the description
* is in a resource. You probably want
* {@link PermissionInfo#loadDescription} instead.
*/
public CharSequence nonLocalizedDescription;
/** @hide */
public static int fixProtectionLevel(int level) {
if (level == PROTECTION_SIGNATURE_OR_SYSTEM) {
level = PROTECTION_SIGNATURE | PROTECTION_FLAG_SYSTEM;
}
return level;
}
/** @hide */
public static String protectionToString(int level) {
String protLevel = "????";
switch (level&PROTECTION_MASK_BASE) {
case PermissionInfo.PROTECTION_DANGEROUS:
protLevel = "dangerous";
break;
case PermissionInfo.PROTECTION_NORMAL:
protLevel = "normal";
break;
case PermissionInfo.PROTECTION_SIGNATURE:
protLevel = "signature";
break;
case PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM:
protLevel = "signatureOrSystem";
break;
}
if ((level&PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
protLevel += "|system";
}
if ((level&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
protLevel += "|development";
}
if ((level&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
protLevel += "|appop";
}
return protLevel;
}
public PermissionInfo() {
}
public PermissionInfo(PermissionInfo orig) {
super(orig);
protectionLevel = orig.protectionLevel;
flags = orig.flags;
group = orig.group;
descriptionRes = orig.descriptionRes;
nonLocalizedDescription = orig.nonLocalizedDescription;
}
/**
* Retrieve the textual description of this permission. This
* will call back on the given PackageManager to load the description from
* the application.
*
* @param pm A PackageManager from which the label can be loaded; usually
* the PackageManager from which you originally retrieved this item.
*
* @return Returns a CharSequence containing the permission's description.
* If there is no description, null is returned.
*/
public CharSequence loadDescription(PackageManager pm) {
if (nonLocalizedDescription != null) {
return nonLocalizedDescription;
}
if (descriptionRes != 0) {
CharSequence label = pm.getText(packageName, descriptionRes, null);
if (label != null) {
return label;
}
}
return null;
}
public String toString() {
return "PermissionInfo{"
+ Integer.toHexString(System.identityHashCode(this))
+ " " + name + "}";
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int parcelableFlags) {
super.writeToParcel(dest, parcelableFlags);
dest.writeInt(protectionLevel);
dest.writeInt(flags);
dest.writeString(group);
dest.writeInt(descriptionRes);
TextUtils.writeToParcel(nonLocalizedDescription, dest, parcelableFlags);
}
public static final Creator<PermissionInfo> CREATOR =
new Creator<PermissionInfo>() {
public PermissionInfo createFromParcel(Parcel source) {
return new PermissionInfo(source);
}
public PermissionInfo[] newArray(int size) {
return new PermissionInfo[size];
}
};
private PermissionInfo(Parcel source) {
super(source);
protectionLevel = source.readInt();
flags = source.readInt();
group = source.readString();
descriptionRes = source.readInt();
nonLocalizedDescription = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
}
}
|
