1 files changed, 91 insertions, 0 deletions

diff --git a/gpgme-vala/src/gpgme-helper.vala b/gpgme-vala/src/gpgme-helper.vala
new file mode 100644
index 00000000..d2f3f7e6
--- /dev/null
+++ b/gpgme-vala/src/gpgme-helper.vala
@@ -0,0 +1,91 @@
+using Gee;
+using GPG;
+
+namespace GPGHelper {
+
+public static string encrypt_armor(string plain, Key[] keys, EncryptFlags flags) throws GLib.Error {
+    global_mutex.lock();
+    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);
+    global_mutex.unlock();
+    return get_string_from_data(enc_data);
+}
+
+public static string decrypt(string encr) throws GLib.Error {
+    global_mutex.lock();
+    Data enc_data = Data.create_from_memory(encr.data, false);
+    Context context = Context.create();
+    Data dec_data = context.op_decrypt(enc_data);
+    global_mutex.unlock();
+    return get_string_from_data(dec_data);
+}
+
+public static string sign(string plain, SigMode mode) throws GLib.Error {
+    global_mutex.lock();
+    Data plain_data = Data.create_from_memory(plain.data, false);
+    Context context = Context.create();
+    Data signed_data = context.op_sign(plain_data, mode);
+    global_mutex.unlock();
+    return get_string_from_data(signed_data);
+}
+
+public static string? get_sign_key(string signature, string? text) throws GLib.Error {
+    global_mutex.lock();
+    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;
+    global_mutex.unlock();
+    return verify_res.signatures.fpr;
+}
+
+public static Gee.List<Key> get_keylist(string? pattern = null, bool secret_only = false) throws GLib.Error {
+    Gee.List<Key> keys = new ArrayList<Key>();
+    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.message != GPGError.ErrorCode.EOF.to_string()) throw e;
+        if (e.message != "EOF") throw e;
+    }
+    return keys;
+}
+
+public static Key? get_public_key(string sig) throws GLib.Error {
+    global_mutex.lock();
+    Context context = Context.create();
+    Key key = context.get_key(sig, false);
+    global_mutex.unlock();
+    return key;
+}
+
+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;
+}
+
+}
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