1 files changed, 175 insertions, 233 deletions

diff --git a/src/core/function/gpg/GpgBasicOperator.cpp b/src/core/function/gpg/GpgBasicOperator.cpp
index 661c1283..cb933d33 100644
--- a/src/core/function/gpg/GpgBasicOperator.cpp
+++ b/src/core/function/gpg/GpgBasicOperator.cpp
@@ -43,29 +43,51 @@ namespace GpgFrontend {
 GpgBasicOperator::GpgBasicOperator(int channel)
     : SingletonFunctionObject<GpgBasicOperator>(channel) {}
 
-void GpgBasicOperator::Encrypt(const KeyArgsList& keys,
-                               const GFBuffer& in_buffer, bool ascii,
-                               const GpgOperationCallback& cb) {
-  RunGpgOperaAsync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        if (keys.empty()) return GPG_ERR_CANCELED;
+void SetSignersImpl(GpgContext& ctx_, const KeyArgsList& signers, bool ascii) {
+  auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
 
-        QContainer<gpgme_key_t> recipients(keys.begin(), keys.end());
+  gpgme_signers_clear(ctx);
 
-        // Last entry data_in array has to be nullptr
-        recipients.emplace_back(nullptr);
+  for (const GpgKey& key : signers) {
+    LOG_D() << "signer's key fpr: " << key.GetFingerprint();
+    if (key.IsHasActualSigningCapability()) {
+      auto error = gpgme_signers_add(ctx, gpgme_key_t(key));
+      CheckGpgError(error);
+    }
+  }
+  if (signers.size() != gpgme_signers_count(ctx_.DefaultContext())) {
+    FLOG_D("not all signers added");
+  }
+}
+
+auto EncryptImpl(GpgContext& ctx_, const KeyArgsList& keys,
+                 const GFBuffer& in_buffer, bool ascii,
+                 const DataObjectPtr& data_object) -> GpgError {
+  if (keys.empty()) return GPG_ERR_CANCELED;
+
+  QContainer<gpgme_key_t> recipients(keys.begin(), keys.end());
 
-        GpgData data_in(in_buffer);
-        GpgData data_out;
+  // Last entry data_in array has to be nullptr
+  recipients.emplace_back(nullptr);
 
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        auto err = CheckGpgError(gpgme_op_encrypt(ctx, recipients.data(),
-                                                  GPGME_ENCRYPT_ALWAYS_TRUST,
-                                                  data_in, data_out));
-        data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
-                           data_out.Read2GFBuffer()});
+  GpgData data_in(in_buffer);
+  GpgData data_out;
+
+  auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
+  auto err = CheckGpgError(gpgme_op_encrypt(
+      ctx, recipients.data(), GPGME_ENCRYPT_ALWAYS_TRUST, data_in, data_out));
+  data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
+                     data_out.Read2GFBuffer()});
+
+  return err;
+}
 
-        return err;
+void GpgBasicOperator::Encrypt(const KeyArgsList& keys,
+                               const GFBuffer& in_buffer, bool ascii,
+                               const GpgOperationCallback& cb) {
+  RunGpgOperaAsync(
+      [=](const DataObjectPtr& data_object) {
+        return EncryptImpl(ctx_, keys, in_buffer, ascii, data_object);
       },
       cb, "gpgme_op_encrypt", "2.1.0");
 }
@@ -74,43 +96,32 @@ auto GpgBasicOperator::EncryptSync(const KeyArgsList& keys,
                                    const GFBuffer& in_buffer, bool ascii)
     -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        if (keys.empty()) return GPG_ERR_CANCELED;
-
-        QContainer<gpgme_key_t> recipients(keys.begin(), keys.end());
-
-        // Last entry data_in array has to be nullptr
-        recipients.emplace_back(nullptr);
+      [=](const DataObjectPtr& data_object) {
+        return EncryptImpl(ctx_, keys, in_buffer, ascii, data_object);
+      },
+      "gpgme_op_encrypt", "2.1.0");
+}
 
-        GpgData data_in(in_buffer);
-        GpgData data_out;
+auto EncryptSymmetricImpl(GpgContext& ctx_, const GFBuffer& in_buffer,
+                          bool ascii,
+                          const DataObjectPtr& data_object) -> GpgError {
+  GpgData data_in(in_buffer);
+  GpgData data_out;
 
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        auto err = CheckGpgError(gpgme_op_encrypt(ctx, recipients.data(),
-                                                  GPGME_ENCRYPT_ALWAYS_TRUST,
-                                                  data_in, data_out));
-        data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
-                           data_out.Read2GFBuffer()});
+  auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
+  auto err = CheckGpgError(gpgme_op_encrypt(
+      ctx, nullptr, GPGME_ENCRYPT_SYMMETRIC, data_in, data_out));
+  data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
+                     data_out.Read2GFBuffer()});
 
-        return err;
-      },
-      "gpgme_op_encrypt", "2.1.0");
+  return err;
 }
 
 void GpgBasicOperator::EncryptSymmetric(const GFBuffer& in_buffer, bool ascii,
                                         const GpgOperationCallback& cb) {
   RunGpgOperaAsync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        auto err = CheckGpgError(gpgme_op_encrypt(
-            ctx, nullptr, GPGME_ENCRYPT_SYMMETRIC, data_in, data_out));
-        data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
-                           data_out.Read2GFBuffer()});
-
-        return err;
+      [=](const DataObjectPtr& data_object) {
+        return EncryptSymmetricImpl(ctx_, in_buffer, ascii, data_object);
       },
       cb, "gpgme_op_encrypt_symmetric", "2.1.0");
 }
@@ -119,35 +130,31 @@ auto GpgBasicOperator::EncryptSymmetricSync(const GFBuffer& in_buffer,
                                             bool ascii)
     -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        auto err = CheckGpgError(gpgme_op_encrypt(
-            ctx, nullptr, GPGME_ENCRYPT_SYMMETRIC, data_in, data_out));
-        data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
-                           data_out.Read2GFBuffer()});
-
-        return err;
+      [=](const DataObjectPtr& data_object) {
+        return EncryptSymmetricImpl(ctx_, in_buffer, ascii, data_object);
       },
       "gpgme_op_encrypt_symmetric", "2.1.0");
 }
 
+auto DecryptImpl(GpgContext& ctx_, const GFBuffer& in_buffer,
+                 const DataObjectPtr& data_object) -> GpgError {
+  GpgData data_in(in_buffer);
+  GpgData data_out;
+
+  auto err =
+      CheckGpgError(gpgme_op_decrypt(ctx_.DefaultContext(), data_in, data_out));
+  data_object->Swap(
+      {GpgDecryptResult(gpgme_op_decrypt_result(ctx_.DefaultContext())),
+       data_out.Read2GFBuffer()});
+
+  return err;
+}
+
 void GpgBasicOperator::Decrypt(const GFBuffer& in_buffer,
                                const GpgOperationCallback& cb) {
   RunGpgOperaAsync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto err = CheckGpgError(
-            gpgme_op_decrypt(ctx_.DefaultContext(), data_in, data_out));
-        data_object->Swap(
-            {GpgDecryptResult(gpgme_op_decrypt_result(ctx_.DefaultContext())),
-             data_out.Read2GFBuffer()});
-
-        return err;
+      [=](const DataObjectPtr& data_object) {
+        return DecryptImpl(ctx_, in_buffer, data_object);
       },
       cb, "gpgme_op_decrypt", "2.1.0");
 }
@@ -155,45 +162,42 @@ void GpgBasicOperator::Decrypt(const GFBuffer& in_buffer,
 auto GpgBasicOperator::DecryptSync(const GFBuffer& in_buffer)
     -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto err = CheckGpgError(
-            gpgme_op_decrypt(ctx_.DefaultContext(), data_in, data_out));
-        data_object->Swap(
-            {GpgDecryptResult(gpgme_op_decrypt_result(ctx_.DefaultContext())),
-             data_out.Read2GFBuffer()});
-
-        return err;
+      [=](const DataObjectPtr& data_object) {
+        return DecryptImpl(ctx_, in_buffer, data_object);
       },
       "gpgme_op_decrypt", "2.1.0");
 }
 
+auto VerifyImpl(GpgContext& ctx_, const GFBuffer& in_buffer,
+                const GFBuffer& sig_buffer,
+                const DataObjectPtr& data_object) -> GpgError {
+  GpgError err;
+
+  GpgData data_in(in_buffer);
+  GpgData data_out;
+
+  if (!sig_buffer.Empty()) {
+    GpgData sig_data(sig_buffer);
+    err = CheckGpgError(
+        gpgme_op_verify(ctx_.DefaultContext(), sig_data, data_in, nullptr));
+  } else {
+    err = CheckGpgError(
+        gpgme_op_verify(ctx_.DefaultContext(), data_in, nullptr, data_out));
+  }
+
+  data_object->Swap({
+      GpgVerifyResult(gpgme_op_verify_result(ctx_.DefaultContext())),
+  });
+
+  return err;
+}
+
 void GpgBasicOperator::Verify(const GFBuffer& in_buffer,
                               const GFBuffer& sig_buffer,
                               const GpgOperationCallback& cb) {
   RunGpgOperaAsync(
       [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgError err;
-
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        if (!sig_buffer.Empty()) {
-          GpgData sig_data(sig_buffer);
-          err = CheckGpgError(gpgme_op_verify(ctx_.DefaultContext(), sig_data,
-                                              data_in, nullptr));
-        } else {
-          err = CheckGpgError(gpgme_op_verify(ctx_.DefaultContext(), data_in,
-                                              nullptr, data_out));
-        }
-
-        data_object->Swap({
-            GpgVerifyResult(gpgme_op_verify_result(ctx_.DefaultContext())),
-        });
-
-        return err;
+        return VerifyImpl(ctx_, in_buffer, sig_buffer, data_object);
       },
       cb, "gpgme_op_verify", "2.1.0");
 }
@@ -202,51 +206,39 @@ auto GpgBasicOperator::VerifySync(const GFBuffer& in_buffer,
                                   const GFBuffer& sig_buffer)
     -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgError err;
+      [=](const DataObjectPtr& data_object) {
+        return VerifyImpl(ctx_, in_buffer, sig_buffer, data_object);
+      },
+      "gpgme_op_verify", "2.1.0");
+}
 
-        GpgData data_in(in_buffer);
-        GpgData data_out;
+auto SignImpl(GpgContext& ctx_, const KeyArgsList& signers,
+              const GFBuffer& in_buffer, GpgSignMode mode, bool ascii,
+              const DataObjectPtr& data_object) -> GpgError {
+  if (signers.empty()) return GPG_ERR_CANCELED;
 
-        if (!sig_buffer.Empty()) {
-          GpgData sig_data(sig_buffer);
-          err = CheckGpgError(gpgme_op_verify(ctx_.DefaultContext(), sig_data,
-                                              data_in, nullptr));
-        } else {
-          err = CheckGpgError(gpgme_op_verify(ctx_.DefaultContext(), data_in,
-                                              nullptr, data_out));
-        }
+  GpgError err;
 
-        data_object->Swap({
-            GpgVerifyResult(gpgme_op_verify_result(ctx_.DefaultContext())),
-        });
+  // Set Singers of this opera
+  SetSignersImpl(ctx_, signers, ascii);
 
-        return err;
-      },
-      "gpgme_op_verify", "2.1.0");
+  GpgData data_in(in_buffer);
+  GpgData data_out;
+
+  auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
+  err = CheckGpgError(gpgme_op_sign(ctx, data_in, data_out, mode));
+
+  data_object->Swap(
+      {GpgSignResult(gpgme_op_sign_result(ctx)), data_out.Read2GFBuffer()});
+  return err;
 }
 
 void GpgBasicOperator::Sign(const KeyArgsList& signers,
                             const GFBuffer& in_buffer, GpgSignMode mode,
                             bool ascii, const GpgOperationCallback& cb) {
   RunGpgOperaAsync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        if (signers.empty()) return GPG_ERR_CANCELED;
-
-        GpgError err;
-
-        // Set Singers of this opera
-        SetSigners(signers, ascii);
-
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        err = CheckGpgError(gpgme_op_sign(ctx, data_in, data_out, mode));
-
-        data_object->Swap({GpgSignResult(gpgme_op_sign_result(ctx)),
-                           data_out.Read2GFBuffer()});
-        return err;
+      [=](const DataObjectPtr& data_object) {
+        return SignImpl(ctx_, signers, in_buffer, mode, ascii, data_object);
       },
       cb, "gpgme_op_sign", "2.1.0");
 }
@@ -255,45 +247,35 @@ auto GpgBasicOperator::SignSync(
     const KeyArgsList& signers, const GFBuffer& in_buffer, GpgSignMode mode,
     bool ascii) -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        if (signers.empty()) return GPG_ERR_CANCELED;
+      [=](const DataObjectPtr& data_object) {
+        return SignImpl(ctx_, signers, in_buffer, mode, ascii, data_object);
+      },
+      "gpgme_op_sign", "2.1.0");
+}
 
-        GpgError err;
+auto DecryptVerifyImpl(GpgContext& ctx_, const GFBuffer& in_buffer,
+                       const DataObjectPtr& data_object) -> GpgError {
+  GpgError err;
 
-        // Set Singers of this opera
-        SetSigners(signers, ascii);
+  GpgData data_in(in_buffer);
+  GpgData data_out;
 
-        GpgData data_in(in_buffer);
-        GpgData data_out;
+  err = CheckGpgError(
+      gpgme_op_decrypt_verify(ctx_.DefaultContext(), data_in, data_out));
 
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        err = CheckGpgError(gpgme_op_sign(ctx, data_in, data_out, mode));
+  data_object->Swap(
+      {GpgDecryptResult(gpgme_op_decrypt_result(ctx_.DefaultContext())),
+       GpgVerifyResult(gpgme_op_verify_result(ctx_.DefaultContext())),
+       data_out.Read2GFBuffer()});
 
-        data_object->Swap({GpgSignResult(gpgme_op_sign_result(ctx)),
-                           data_out.Read2GFBuffer()});
-        return err;
-      },
-      "gpgme_op_sign", "2.1.0");
+  return err;
 }
 
 void GpgBasicOperator::DecryptVerify(const GFBuffer& in_buffer,
                                      const GpgOperationCallback& cb) {
   RunGpgOperaAsync(
-      [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgError err;
-
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        err = CheckGpgError(
-            gpgme_op_decrypt_verify(ctx_.DefaultContext(), data_in, data_out));
-
-        data_object->Swap(
-            {GpgDecryptResult(gpgme_op_decrypt_result(ctx_.DefaultContext())),
-             GpgVerifyResult(gpgme_op_verify_result(ctx_.DefaultContext())),
-             data_out.Read2GFBuffer()});
-
-        return err;
+      [=](const DataObjectPtr& data_object) {
+        return DecryptVerifyImpl(ctx_, in_buffer, data_object);
       },
       cb, "gpgme_op_decrypt_verify", "2.1.0");
 }
@@ -302,22 +284,35 @@ auto GpgBasicOperator::DecryptVerifySync(const GFBuffer& in_buffer)
     -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
       [=](const DataObjectPtr& data_object) -> GpgError {
-        GpgError err;
+        return DecryptVerifyImpl(ctx_, in_buffer, data_object);
+      },
+      "gpgme_op_decrypt_verify", "2.1.0");
+}
 
-        GpgData data_in(in_buffer);
-        GpgData data_out;
+auto EncryptSignImpl(GpgContext& ctx_, const KeyArgsList& keys,
+                     const KeyArgsList& signers, const GFBuffer& in_buffer,
+                     bool ascii, const DataObjectPtr& data_object) -> GpgError {
+  if (keys.empty() || signers.empty()) return GPG_ERR_CANCELED;
 
-        err = CheckGpgError(
-            gpgme_op_decrypt_verify(ctx_.DefaultContext(), data_in, data_out));
+  GpgError err;
+  QContainer<gpgme_key_t> recipients(keys.begin(), keys.end());
 
-        data_object->Swap(
-            {GpgDecryptResult(gpgme_op_decrypt_result(ctx_.DefaultContext())),
-             GpgVerifyResult(gpgme_op_verify_result(ctx_.DefaultContext())),
-             data_out.Read2GFBuffer()});
+  // Last entry data_in array has to be nullptr
+  recipients.emplace_back(nullptr);
 
-        return err;
-      },
-      "gpgme_op_decrypt_verify", "2.1.0");
+  SetSignersImpl(ctx_, signers, ascii);
+
+  GpgData data_in(in_buffer);
+  GpgData data_out;
+
+  auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
+  err = CheckGpgError(gpgme_op_encrypt_sign(
+      ctx, recipients.data(), GPGME_ENCRYPT_ALWAYS_TRUST, data_in, data_out));
+
+  data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
+                     GpgSignResult(gpgme_op_sign_result(ctx)),
+                     data_out.Read2GFBuffer()});
+  return err;
 }
 
 void GpgBasicOperator::EncryptSign(const KeyArgsList& keys,
@@ -326,28 +321,8 @@ void GpgBasicOperator::EncryptSign(const KeyArgsList& keys,
                                    const GpgOperationCallback& cb) {
   RunGpgOperaAsync(
       [=](const DataObjectPtr& data_object) -> GpgError {
-        if (keys.empty() || signers.empty()) return GPG_ERR_CANCELED;
-
-        GpgError err;
-        QContainer<gpgme_key_t> recipients(keys.begin(), keys.end());
-
-        // Last entry data_in array has to be nullptr
-        recipients.emplace_back(nullptr);
-
-        SetSigners(signers, ascii);
-
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        err = CheckGpgError(gpgme_op_encrypt_sign(ctx, recipients.data(),
-                                                  GPGME_ENCRYPT_ALWAYS_TRUST,
-                                                  data_in, data_out));
-
-        data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
-                           GpgSignResult(gpgme_op_sign_result(ctx)),
-                           data_out.Read2GFBuffer()});
-        return err;
+        return EncryptSignImpl(ctx_, keys, signers, in_buffer, ascii,
+                               data_object);
       },
       cb, "gpgme_op_encrypt_sign", "2.1.0");
 }
@@ -358,47 +333,14 @@ auto GpgBasicOperator::EncryptSignSync(const KeyArgsList& keys,
     -> std::tuple<GpgError, DataObjectPtr> {
   return RunGpgOperaSync(
       [=](const DataObjectPtr& data_object) -> GpgError {
-        if (keys.empty() || signers.empty()) return GPG_ERR_CANCELED;
-
-        GpgError err;
-        QContainer<gpgme_key_t> recipients(keys.begin(), keys.end());
-
-        // Last entry data_in array has to be nullptr
-        recipients.emplace_back(nullptr);
-
-        SetSigners(signers, ascii);
-
-        GpgData data_in(in_buffer);
-        GpgData data_out;
-
-        auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-        err = CheckGpgError(gpgme_op_encrypt_sign(ctx, recipients.data(),
-                                                  GPGME_ENCRYPT_ALWAYS_TRUST,
-                                                  data_in, data_out));
-
-        data_object->Swap({GpgEncryptResult(gpgme_op_encrypt_result(ctx)),
-                           GpgSignResult(gpgme_op_sign_result(ctx)),
-                           data_out.Read2GFBuffer()});
-        return err;
+        return EncryptSignImpl(ctx_, keys, signers, in_buffer, ascii,
+                               data_object);
       },
       "gpgme_op_encrypt_sign", "2.1.0");
 }
 
 void GpgBasicOperator::SetSigners(const KeyArgsList& signers, bool ascii) {
-  auto* ctx = ascii ? ctx_.DefaultContext() : ctx_.BinaryContext();
-
-  gpgme_signers_clear(ctx);
-
-  for (const GpgKey& key : signers) {
-    LOG_D() << "signer's key fpr: " << key.GetFingerprint();
-    if (key.IsHasActualSigningCapability()) {
-      auto error = gpgme_signers_add(ctx, gpgme_key_t(key));
-      CheckGpgError(error);
-    }
-  }
-  if (signers.size() != gpgme_signers_count(ctx_.DefaultContext())) {
-    FLOG_D("not all signers added");
-  }
+  SetSignersImpl(ctx_, signers, ascii);
 }
 
 auto GpgBasicOperator::GetSigners(bool ascii) -> KeyArgsList {