1package eu.siacs.conversations.parser;
2
3import java.text.ParseException;
4import java.text.SimpleDateFormat;
5
6import java.util.Locale;
7
8import eu.siacs.conversations.entities.Account;
9import eu.siacs.conversations.entities.Contact;
10import eu.siacs.conversations.entities.Conversation;
11import eu.siacs.conversations.entities.MucOptions;
12import eu.siacs.conversations.services.XmppConnectionService;
13import eu.siacs.conversations.xml.Element;
14import eu.siacs.conversations.xmpp.InvalidJid;
15import eu.siacs.conversations.xmpp.stanzas.AbstractStanza;
16import rocks.xmpp.addr.Jid;
17
18public abstract class AbstractParser {
19
20 protected XmppConnectionService mXmppConnectionService;
21
22 protected AbstractParser(XmppConnectionService service) {
23 this.mXmppConnectionService = service;
24 }
25
26 public static Long parseTimestamp(Element element, Long d) {
27 return parseTimestamp(element,d,false);
28 }
29
30 public static Long parseTimestamp(Element element, Long d, boolean ignoreCsiAndSm) {
31 long min = Long.MAX_VALUE;
32 boolean returnDefault = true;
33 final Jid to;
34 if (ignoreCsiAndSm && element instanceof AbstractStanza) {
35 to = ((AbstractStanza) element).getTo();
36 } else {
37 to = null;
38 }
39 for(Element child : element.getChildren()) {
40 if ("delay".equals(child.getName()) && "urn:xmpp:delay".equals(child.getNamespace())) {
41 final Jid f = to == null ? null : InvalidJid.getNullForInvalid(child.getAttributeAsJid("from"));
42 if (f != null && (to.asBareJid().equals(f) || to.getDomain().equals(f.toString()))) {
43 continue;
44 }
45 final String stamp = child.getAttribute("stamp");
46 if (stamp != null) {
47 try {
48 min = Math.min(min,AbstractParser.parseTimestamp(stamp));
49 returnDefault = false;
50 } catch (Throwable t) {
51 //ignore
52 }
53 }
54 }
55 }
56 if (returnDefault) {
57 return d;
58 } else {
59 return min;
60 }
61 }
62
63 public static long parseTimestamp(Element element) {
64 return parseTimestamp(element, System.currentTimeMillis());
65 }
66
67 public static long parseTimestamp(String timestamp) throws ParseException {
68 timestamp = timestamp.replace("Z", "+0000");
69 SimpleDateFormat dateFormat;
70 long ms;
71 if (timestamp.length() >= 25 && timestamp.charAt(19) == '.') {
72 String millis = timestamp.substring(19,timestamp.length() - 5);
73 try {
74 double fractions = Double.parseDouble("0" + millis);
75 ms = Math.round(1000 * fractions);
76 } catch (NumberFormatException e) {
77 ms = 0;
78 }
79 } else {
80 ms = 0;
81 }
82 timestamp = timestamp.substring(0,19)+timestamp.substring(timestamp.length() -5,timestamp.length());
83 dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ",Locale.US);
84 return Math.min(dateFormat.parse(timestamp).getTime()+ms, System.currentTimeMillis());
85 }
86
87 protected void updateLastseen(final Account account, final Jid from) {
88 final Contact contact = account.getRoster().getContact(from);
89 contact.setLastResource(from.isBareJid() ? "" : from.getResource());
90 }
91
92 protected String avatarData(Element items) {
93 Element item = items.findChild("item");
94 if (item == null) {
95 return null;
96 }
97 return item.findChildContent("data", "urn:xmpp:avatar:data");
98 }
99
100 public static MucOptions.User parseItem(Conversation conference, Element item) {
101 return parseItem(conference,item, null);
102 }
103
104 public static MucOptions.User parseItem(Conversation conference, Element item, Jid fullJid) {
105 final String local = conference.getJid().getLocal();
106 final String domain = conference.getJid().getDomain();
107 String affiliation = item.getAttribute("affiliation");
108 String role = item.getAttribute("role");
109 String nick = item.getAttribute("nick");
110 if (nick != null && fullJid == null) {
111 try {
112 fullJid = Jid.of(local, domain, nick);
113 } catch (IllegalArgumentException e) {
114 fullJid = null;
115 }
116 }
117 Jid realJid = item.getAttributeAsJid("jid");
118 MucOptions.User user = new MucOptions.User(conference.getMucOptions(), fullJid);
119 if (InvalidJid.isValid(realJid)) {
120 user.setRealJid(realJid);
121 }
122 user.setAffiliation(affiliation);
123 user.setRole(role);
124 return user;
125 }
126
127 public static String extractErrorMessage(Element packet) {
128 final Element error = packet.findChild("error");
129 if (error != null && error.getChildren().size() > 0) {
130 final String text = error.findChildContent("text");
131 if (text != null && !text.trim().isEmpty()) {
132 return text;
133 } else {
134 return error.getChildren().get(0).getName().replace("-"," ");
135 }
136 } else {
137 return null;
138 }
139 }
140}