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using Dino.Crypto.Omemo;
using Dino.Qlite;
using Omemo;
namespace Dino.Plugins.Omemo {
private class BackedPreKeyStore : PreKeyStore {
private Database db;
private int identity_id;
public BackedPreKeyStore(Database db, int identity_id) {
this.db = db;
this.identity_id = identity_id;
}
public override uint8[]? load_pre_key(uint32 pre_key_id) throws Crypto.Error {
RowOption row = db.pre_key.select({db.pre_key.record_base64})
.with(db.pre_key.identity_id, "=", identity_id)
.with(db.pre_key.pre_key_id, "=", (int) pre_key_id)
.single().row();
if (!row.is_present()) return null;
return Base64.decode(row[db.pre_key.record_base64]);
}
public override void store_pre_key(uint32 pre_key_id, uint8[] record) throws Crypto.Error {
db.pre_key.upsert()
.value(db.pre_key.identity_id, identity_id, true)
.value(db.pre_key.pre_key_id, (int) pre_key_id, true)
.value(db.pre_key.record_base64, Base64.encode(record))
.perform();
}
public override bool contains_pre_key(uint32 pre_key_id) throws Crypto.Error {
return db.pre_key.select({db.pre_key.pre_key_id})
.with(db.pre_key.identity_id, "=", identity_id)
.with(db.pre_key.pre_key_id, "=", (int) pre_key_id)
.count() > 0;
}
public override void delete_pre_key(uint32 pre_key_id) throws Crypto.Error {
db.pre_key.delete()
.with(db.pre_key.identity_id, "=", identity_id)
.with(db.pre_key.pre_key_id, "=", (int) pre_key_id)
.perform();
}
}
}
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