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using Dino.Crypto.Omemo;
using Dino.Qlite;
using Omemo;
namespace Dino.Plugins.Omemo {
private class BackedSessionStore : SessionStore {
private Database db;
private int identity_id;
public BackedSessionStore(Database db, int identity_id) {
this.db = db;
this.identity_id = identity_id;
}
public override uint8[]? load_session(Address address) throws Crypto.Error {
RowOption row = db.session.select({db.session.record_base64})
.with(db.session.identity_id, "=", identity_id)
.with(db.session.address_name, "=", address.name)
.with(db.session.device_id, "=", address.device_id)
.single().row();
if (!row.is_present()) return null;
return Base64.decode(row[db.session.record_base64]);
}
public override IntList get_sub_device_sessions(string name) throws Crypto.Error {
IntList res = new IntList();
foreach (Row row in db.session.select({db.session.device_id})
.with(db.session.identity_id, "=", identity_id)
.with(db.session.address_name, "=", name)) {
res.add(row[db.session.device_id]);
}
return res;
}
public override void store_session(Address address, uint8[] record) throws Crypto.Error {
db.session.upsert()
.value(db.session.identity_id, identity_id, true)
.value(db.session.address_name, address.name, true)
.value(db.session.device_id, address.device_id, true)
.value(db.session.record_base64, Base64.encode(record))
.perform();
}
public override bool contains_session(Address address) throws Crypto.Error {
return db.session.select({db.session.device_id})
.with(db.session.identity_id, "=", identity_id)
.with(db.session.address_name, "=", address.name)
.with(db.session.device_id, "=", address.device_id)
.count() > 0;
}
public override void delete_session(Address address) throws Crypto.Error {
db.session.delete()
.with(db.session.identity_id, "=", identity_id)
.with(db.session.address_name, "=", address.name)
.with(db.session.device_id, "=", address.device_id)
.perform();
}
public override void delete_all_sessions(string name) throws Crypto.Error {
db.session.delete()
.with(db.session.identity_id, "=", identity_id)
.with(db.session.address_name, "=", name)
.perform();
}
}
}
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