using Gee; using GPG; namespace GPGHelper { private static bool initialized = false; public static string encrypt_armor(string plain, Key[] keys, EncryptFlags flags) throws GLib.Error { global_mutex.lock(); try { initialize(); Data plain_data = Data.create_from_memory(plain.data, false); Context context = Context.create(); context.set_armor(true); Data enc_data = context.op_encrypt(keys, flags, plain_data); return get_string_from_data(enc_data); } finally { global_mutex.unlock(); } } public static uint8[] encrypt_file(string uri, Key[] keys, EncryptFlags flags) throws GLib.Error { global_mutex.lock(); try { initialize(); Data plain_data = Data.create_from_file(uri); Context context = Context.create(); context.set_armor(true); Data enc_data = context.op_encrypt(keys, flags, plain_data); return get_uint8_from_data(enc_data); } finally { global_mutex.unlock(); } } public static string decrypt(string encr) throws GLib.Error { global_mutex.lock(); try { initialize(); Data enc_data = Data.create_from_memory(encr.data, false); Context context = Context.create(); Data dec_data = context.op_decrypt(enc_data); return get_string_from_data(dec_data); } finally { global_mutex.unlock(); } } public static uint8[] decrypt_data(uint8[] data) throws GLib.Error { global_mutex.lock(); try { initialize(); Data enc_data = Data.create_from_memory(data, false); Context context = Context.create(); Data dec_data = context.op_decrypt(enc_data); return get_uint8_from_data(dec_data); } finally { global_mutex.unlock(); } } public static string sign(string plain, SigMode mode, Key? key = null) throws GLib.Error { global_mutex.lock(); try { initialize(); Data plain_data = Data.create_from_memory(plain.data, false); Context context = Context.create(); if (key != null) context.signers_add(key); Data signed_data = context.op_sign(plain_data, mode); return get_string_from_data(signed_data); } finally { global_mutex.unlock(); } } public static string? get_sign_key(string signature, string? text) throws GLib.Error { global_mutex.lock(); try { initialize(); Data sig_data = Data.create_from_memory(signature.data, false); Data text_data; if (text != null) { text_data = Data.create_from_memory(text.data, false); } else { text_data = Data.create(); } Context context = Context.create(); context.op_verify(sig_data, text_data); VerifyResult* verify_res = context.op_verify_result(); if (verify_res == null || verify_res.signatures == null) return null; return verify_res.signatures.fpr; } finally { global_mutex.unlock(); } } public static Gee.List get_keylist(string? pattern = null, bool secret_only = false) throws GLib.Error { global_mutex.lock(); try { initialize(); Gee.List keys = new ArrayList(); Context context = Context.create(); context.op_keylist_start(pattern, secret_only ? 1 : 0); try { while (true) { Key key = context.op_keylist_next(); keys.add(key); } } catch (Error e) { if (e.code != GPGError.ErrorCode.EOF) throw e; } return keys; } finally { global_mutex.unlock(); } } public static Key? get_public_key(string sig) throws GLib.Error { return get_key(sig, false); } public static Key? get_private_key(string sig) throws GLib.Error { return get_key(sig, true); } private static Key? get_key(string sig, bool priv) throws GLib.Error { global_mutex.lock(); try { initialize(); Context context = Context.create(); Key key = context.get_key(sig, priv); return key; } finally { global_mutex.unlock(); } } private static string get_string_from_data(Data data) { data.seek(0); uint8[] buf = new uint8[256]; ssize_t? len = null; string res = ""; do { len = data.read(buf); if (len > 0) { string part = (string) buf; part = part.substring(0, (long) len); res += part; } } while (len > 0); return res; } private static uint8[] get_uint8_from_data(Data data) { data.seek(0); uint8[] buf = new uint8[256]; ssize_t? len = null; Array res = new Array(false, true, 0); do { len = data.read(buf); if (len > 0) { res.append_vals(buf, (int)len); } } while (len > 0); return res.data; } private static void initialize() { if (!initialized) { check_version(); initialized = true; } } }