55 lines
2.3 KiB
Vala
55 lines
2.3 KiB
Vala
using Gee;
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using Xmpp;
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using Xmpp.Xep;
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public class Dino.Plugins.Ice.Module : JingleIceUdp.Module {
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public string? stun_ip = null;
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public uint stun_port = 0;
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public string? turn_ip = null;
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public Xep.ExternalServiceDiscovery.Service? turn_service = null;
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private weak Nice.Agent? agent;
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private HashMap<string, DtlsSrtp.CredentialsCapsule> cerds = new HashMap<string, DtlsSrtp.CredentialsCapsule>();
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private Nice.Agent get_agent() {
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Nice.Agent? agent = this.agent;
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if (agent == null) {
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agent = new Nice.Agent(MainContext.@default(), Nice.Compatibility.RFC5245);
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if (stun_ip != null) {
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agent.stun_server = stun_ip;
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agent.stun_server_port = stun_port;
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}
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agent.ice_tcp = false;
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agent.set_software("Dino");
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agent.weak_ref(agent_unweak);
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this.agent = agent;
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debug("STUN server for libnice %s %u", agent.stun_server, agent.stun_server_port);
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}
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return agent;
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}
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public override Jingle.TransportParameters create_transport_parameters(XmppStream stream, uint8 components, Jid local_full_jid, Jid peer_full_jid) {
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DtlsSrtp.CredentialsCapsule? cred = get_create_credentials(local_full_jid, peer_full_jid);
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return new TransportParameters(get_agent(), cred, turn_service, turn_ip, components, local_full_jid, peer_full_jid);
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}
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public override Jingle.TransportParameters parse_transport_parameters(XmppStream stream, uint8 components, Jid local_full_jid, Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError {
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DtlsSrtp.CredentialsCapsule? cred = get_create_credentials(local_full_jid, peer_full_jid);
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return new TransportParameters(get_agent(), cred, turn_service, turn_ip, components, local_full_jid, peer_full_jid, transport);
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}
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private DtlsSrtp.CredentialsCapsule? get_create_credentials(Jid local_full_jid, Jid peer_full_jid) {
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string from_to_id = local_full_jid.to_string() + peer_full_jid.to_string();
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try {
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if (!cerds.has_key(from_to_id)) cerds[from_to_id] = DtlsSrtp.Handler.generate_credentials();
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} catch (Error e) {
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warning("Error creating dtls credentials: %s", e.message);
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}
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return cerds[from_to_id];
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}
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private void agent_unweak() {
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this.agent = null;
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}
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} |