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Add a couple of error primitives for easier error handling

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This commit is contained in:
hrxi 2019-06-20 16:01:58 +02:00
parent 34f9677c4e
commit 62aa8aa74a
3 changed files with 39 additions and 15 deletions
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2
xmpp-vala/src/module/iq/module.vala
View file

@ -67,7 +67,7 @@ namespace Xmpp.Iq {
} }
} }
} else { } else {
Iq.Stanza unavailable_error = new Iq.Stanza.error(iq, new StanzaNode.build("service-unavailable", "urn:ietf:params:xml:ns:xmpp-stanzas").add_self_xmlns()); Iq.Stanza unavailable_error = new Iq.Stanza.error(iq, new ErrorStanza.service_unavailable());
send_iq(stream, unavailable_error); send_iq(stream, unavailable_error);
} }
} }

9
xmpp-vala/src/module/iq/stanza.vala
View file

@ -30,17 +30,14 @@ public class Stanza : Xmpp.Stanza {
public Stanza.set(StanzaNode stanza_node, string? id = null) { public Stanza.set(StanzaNode stanza_node, string? id = null) {
this(id); this(id);
type_ = TYPE_SET; this.type_ = TYPE_SET;
stanza.put_node(stanza_node); stanza.put_node(stanza_node);
} }
public Stanza.error(Stanza request, StanzaNode error_stanza, StanzaNode? associated_child = null) { public Stanza.error(Stanza request, ErrorStanza error_stanza) {
this(request.id); this(request.id);
this.type_ = TYPE_ERROR; this.type_ = TYPE_ERROR;
stanza.put_node(error_stanza); stanza.put_node(error_stanza.error_node);
if (associated_child != null) {
stanza.put_node(associated_child);
}
} }
public Stanza.from_stanza(StanzaNode stanza_node, Jid? my_jid) { public Stanza.from_stanza(StanzaNode stanza_node, Jid? my_jid) {
base.incoming(stanza_node, my_jid); base.incoming(stanza_node, my_jid);

43
xmpp-vala/src/module/stanza_error.vala
View file

@ -2,6 +2,8 @@ using Gee;
namespace Xmpp { namespace Xmpp {
private const string ERROR_NS_URI = "urn:ietf:params:xml:ns:xmpp-stanzas";
public class ErrorStanza { public class ErrorStanza {
public const string CONDITION_BAD_REQUEST = "bad-request"; public const string CONDITION_BAD_REQUEST = "bad-request";
public const string CONDITION_CONFLICT = "conflict"; public const string CONDITION_CONFLICT = "conflict";
@ -37,14 +39,14 @@ namespace Xmpp {
} }
public string? text { public string? text {
get { return error_node.get_deep_string_content("urn:ietf:params:xml:ns:xmpp-stanzas:text"); } get { return error_node.get_deep_string_content(ERROR_NS_URI + ":text"); }
} }
public string condition { public string condition {
get { get {
Gee.List<StanzaNode> subnodes = error_node.sub_nodes; Gee.List<StanzaNode> subnodes = error_node.sub_nodes;
foreach (StanzaNode subnode in subnodes) { // TODO get subnode by ns foreach (StanzaNode subnode in subnodes) { // TODO get subnode by ns
if (subnode.ns_uri == "urn:ietf:params:xml:ns:xmpp-stanzas") { if (subnode.ns_uri == ERROR_NS_URI) {
return subnode.name; return subnode.name;
} }
} }
@ -52,20 +54,45 @@ namespace Xmpp {
} }
} }
public string? original_id {
get { return stanza.get_attribute("id"); }
}
public string type_ { public string type_ {
get { return error_node.get_attribute("type"); } get { return error_node.get_attribute("type"); }
} }
public StanzaNode stanza;
public StanzaNode error_node; public StanzaNode error_node;
public ErrorStanza.from_stanza(StanzaNode stanza) { public ErrorStanza.from_stanza(StanzaNode stanza) {
this.stanza = stanza;
error_node = stanza.get_subnode("error"); error_node = stanza.get_subnode("error");
} }
public ErrorStanza.build(string type, string condition, string? human_readable, StanzaNode? application_condition) {
error_node = new StanzaNode.build("error")
.put_attribute("type", type)
.put_node(new StanzaNode.build(condition, ERROR_NS_URI).add_self_xmlns());
if (application_condition != null) {
error_node.put_node(application_condition);
}
if (human_readable != null) {
error_node.put_node(new StanzaNode.build("text", ERROR_NS_URI)
.add_self_xmlns()
.put_attribute("xml:lang", "en")
.put_node(new StanzaNode.text(text))
);
}
}
public ErrorStanza.bad_request(string? human_readable = null) {
this.build(TYPE_MODIFY, CONDITION_BAD_REQUEST, human_readable, null);
}
public ErrorStanza.feature_not_implemented(StanzaNode? application_condition = null) {
this.build(TYPE_MODIFY, CONDITION_FEATURE_NOT_IMPLEMENTED, null, application_condition);
}
public ErrorStanza.item_not_found(StanzaNode? application_condition = null) {
this.build(TYPE_CANCEL, CONDITION_ITEM_NOT_FOUND, null, application_condition);
}
public ErrorStanza.not_acceptable(string? human_readable = null) {
this.build(TYPE_MODIFY, CONDITION_NOT_ACCEPTABLE, human_readable, null);
}
public ErrorStanza.service_unavailable() {
this.build(TYPE_CANCEL, CONDITION_SERVICE_UNAVAILABLE, null, null);
}
} }
} }