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