blob: 04d55bbe500cb3e540113e97de97a248778647a4 (
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
|
package eu.siacs.conversations.xmpp.pep;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.jid.Jid;
import android.util.Base64;
public class Avatar {
public enum Origin { PEP, VCARD };
public String type;
public String sha1sum;
public String image;
public int height;
public int width;
public long size;
public Jid owner;
public Origin origin = Origin.PEP; //default to maintain compat
public byte[] getImageAsBytes() {
return Base64.decode(image, Base64.DEFAULT);
}
public String getFilename() {
return sha1sum;
}
public static Avatar parseMetadata(Element items) {
Element item = items.findChild("item");
if (item == null) {
return null;
}
Element metadata = item.findChild("metadata");
if (metadata == null) {
return null;
}
String primaryId = item.getAttribute("id");
if (primaryId == null) {
return null;
}
for (Element child : metadata.getChildren()) {
if (child.getName().equals("info")
&& primaryId.equals(child.getAttribute("id"))) {
Avatar avatar = new Avatar();
String height = child.getAttribute("height");
String width = child.getAttribute("width");
String size = child.getAttribute("bytes");
try {
if (height != null) {
avatar.height = Integer.parseInt(height);
}
if (width != null) {
avatar.width = Integer.parseInt(width);
}
if (size != null) {
avatar.size = Long.parseLong(size);
}
} catch (NumberFormatException e) {
return null;
}
avatar.type = child.getAttribute("type");
String hash = child.getAttribute("id");
if (!isValidSHA1(hash)) {
return null;
}
avatar.sha1sum = hash;
avatar.origin = Origin.PEP;
return avatar;
}
}
return null;
}
@Override
public boolean equals(Object object) {
if (object != null && object instanceof Avatar) {
Avatar other = (Avatar) object;
return other.getFilename().equals(this.getFilename());
} else {
return false;
}
}
public static Avatar parsePresence(Element x) {
Element photo = x != null ? x.findChild("photo") : null;
String hash = photo != null ? photo.getContent() : null;
if (hash == null) {
return null;
}
if (!isValidSHA1(hash)) {
return null;
}
Avatar avatar = new Avatar();
avatar.sha1sum = hash;
avatar.origin = Origin.VCARD;
return avatar;
}
private static boolean isValidSHA1(String s) {
return s != null && s.matches("[a-fA-F0-9]{40}");
}
}
|
