From 9ea16b6d8568cb383eb1f469d1dc54bfcad4f188 Mon Sep 17 00:00:00 2001
From: fiaxh <git@mx.ax.lt>
Date: Mon, 16 Oct 2017 00:23:51 +0200
Subject: PGP encrypted file transfers

---
 plugins/gpgme-vala/src/gpgme_helper.vala | 43 +++++++++++++++++++++++++++++++-
 plugins/gpgme-vala/vapi/gpgme.vapi       |  8 +++++-
 2 files changed, 49 insertions(+), 2 deletions(-)

(limited to 'plugins/gpgme-vala')

diff --git a/plugins/gpgme-vala/src/gpgme_helper.vala b/plugins/gpgme-vala/src/gpgme_helper.vala
index 709b9e0c..cc013164 100644
--- a/plugins/gpgme-vala/src/gpgme_helper.vala
+++ b/plugins/gpgme-vala/src/gpgme_helper.vala
@@ -19,6 +19,20 @@ public static string encrypt_armor(string plain, Key[] keys, EncryptFlags flags)
     }
 }
 
+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 {
@@ -32,6 +46,19 @@ public static string decrypt(string encr) throws GLib.Error {
     }
 }
 
+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 {
@@ -125,6 +152,20 @@ private static string get_string_from_data(Data data) {
     return res;
 }
 
+private static uint8[] get_uint8_from_data(Data data) {
+    data.seek(0);
+    uint8[] buf = new uint8[256];
+    ssize_t? len = null;
+    Array<uint8> res = new Array<uint8>(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();
@@ -132,4 +173,4 @@ private static void initialize() {
     }
 }
 
-}
\ No newline at end of file
+}
diff --git a/plugins/gpgme-vala/vapi/gpgme.vapi b/plugins/gpgme-vala/vapi/gpgme.vapi
index 0b14185c..51823a15 100644
--- a/plugins/gpgme-vala/vapi/gpgme.vapi
+++ b/plugins/gpgme-vala/vapi/gpgme.vapi
@@ -464,7 +464,13 @@ namespace GPG {
         }
 
         [CCode (cname = "gpgme_data_new_from_file")]
-        public static GPGError.Error create_from_file(out Data d, string filename, int copy = 1);
+        public static GPGError.Error new_from_file(out Data d, string filename, int copy = 1);
+
+        public static Data create_from_file(string filename, int copy = 1) {
+            Data data;
+            throw_if_error(new_from_file(out data, filename, copy));
+            return data;
+        }
 
         [CCode (cname = "gpgme_data_release_and_get_mem")]
         public string release_and_get_mem(out size_t len);
-- 
cgit v1.2.3-54-g00ecf