anotherim-desktop/plugins/omemo/src/bundle.vala

88 lines
2.6 KiB
Vala

using Gee;
using Signal;
using Xmpp;
namespace Dino.Plugins.Omemo {
public class Bundle {
private StanzaNode? node;
public Bundle(StanzaNode? node) {
this.node = node;
assert(Plugin.ensure_context());
}
public int32 signed_pre_key_id { owned get {
if (node == null) return -1;
string? id = ((!)node).get_deep_attribute("signedPreKeyPublic", "signedPreKeyId");
if (id == null) return -1;
return int.parse((!)id);
}}
public ECPublicKey? signed_pre_key { owned get {
if (node == null) return null;
string? key = ((!)node).get_deep_string_content("signedPreKeyPublic");
if (key == null) return null;
try {
return Plugin.get_context().decode_public_key(Base64.decode((!)key));
} catch (Error e) {
return null;
}
}}
public uint8[]? signed_pre_key_signature { owned get {
if (node == null) return null;
string? sig = ((!)node).get_deep_string_content("signedPreKeySignature");
if (sig == null) return null;
return Base64.decode((!)sig);
}}
public ECPublicKey? identity_key { owned get {
if (node == null) return null;
string? key = ((!)node).get_deep_string_content("identityKey");
if (key == null) return null;
try {
return Plugin.get_context().decode_public_key(Base64.decode((!)key));
} catch (Error e) {
return null;
}
}}
public ArrayList<PreKey> pre_keys { owned get {
ArrayList<PreKey> list = new ArrayList<PreKey>();
if (node == null || ((!)node).get_subnode("prekeys") == null) return list;
((!)node).get_deep_subnodes("prekeys", "preKeyPublic")
.filter((node) => ((!)node).get_attribute("preKeyId") != null)
.map<PreKey>(PreKey.create)
.foreach((key) => list.add(key));
return list;
}}
public class PreKey {
private StanzaNode node;
public static PreKey create(owned StanzaNode node) {
return new PreKey(node);
}
public PreKey(StanzaNode node) {
this.node = node;
}
public int32 key_id { owned get {
return int.parse(node.get_attribute("preKeyId") ?? "-1");
}}
public ECPublicKey? key { owned get {
string? key = node.get_string_content();
if (key == null) return null;
try {
return Plugin.get_context().decode_public_key(Base64.decode((!)key));
} catch (Error e) {
return null;
}
}}
}
}
}