From e2d801b5f74b60c38a75310066c48468c8a4bc93 Mon Sep 17 00:00:00 2001 From: hrxi Date: Sun, 4 Jun 2023 09:24:16 +0200 Subject: Merge `gpgme-vala` into `openpgp` plugin There's no reason for it to be a statically linked library anymore, it can be directly compiled into the plugin. --- plugins/openpgp/src/gpgme_helper.vala | 184 ++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 plugins/openpgp/src/gpgme_helper.vala (limited to 'plugins/openpgp/src/gpgme_helper.vala') diff --git a/plugins/openpgp/src/gpgme_helper.vala b/plugins/openpgp/src/gpgme_helper.vala new file mode 100644 index 00000000..f28bc6d6 --- /dev/null +++ b/plugins/openpgp/src/gpgme_helper.vala @@ -0,0 +1,184 @@ +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, string file_name) throws GLib.Error { + global_mutex.lock(); + try { + initialize(); + Data plain_data = Data.create_from_file(uri); + plain_data.set_file_name(file_name); + 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 class DecryptedData { + public uint8[] data { get; set; } + public string filename { get; set; } +} + +public static DecryptedData 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); + DecryptResult* dec_res = context.op_decrypt_result(); + return new DecryptedData() { data=get_uint8_from_data(dec_data), filename=dec_res->file_name}; + } 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) { + const size_t BUF_SIZE = 256; + data.seek(0); + uint8[] buf = new uint8[BUF_SIZE + 1]; + ssize_t len = 0; + string res = ""; + do { + len = data.read(buf, BUF_SIZE); + if (len > 0) { + buf[len] = 0; + res += (string) buf; + } + } while (len > 0); + return res; +} + +private static uint8[] get_uint8_from_data(Data data) { + const size_t BUF_SIZE = 256; + data.seek(0); + uint8[] buf = new uint8[BUF_SIZE + 1]; + ssize_t len = 0; + ByteArray res = new ByteArray(); + do { + len = data.read(buf, BUF_SIZE); + if (len > 0) { + res.append(buf[0:len]); + } + } while (len > 0); + return res.data; +} + +private static void initialize() { + if (!initialized) { + check_version(); + initialized = true; + } +} + +} -- cgit v1.2.3-54-g00ecf