diff options
Diffstat (limited to 'src/gpg/GpgContext.cpp')
| -rw-r--r-- | src/gpg/GpgContext.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/gpg/GpgContext.cpp b/src/gpg/GpgContext.cpp new file mode 100644 index 00000000..5d901c3f --- /dev/null +++ b/src/gpg/GpgContext.cpp @@ -0,0 +1,127 @@ +/** + * This file is part of GpgFrontend. + * + * GpgFrontend is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Foobar is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Foobar. If not, see <https://www.gnu.org/licenses/>. + * + * The initial version of the source code is inherited from gpg4usb-team. + * Their source code version also complies with GNU General Public License. + * + * The source code version of this software was modified and released + * by Saturneric<[email protected]> starting on May 12, 2021. + * + */ + +#include "gpg/GpgContext.h" + +#include <gpg-error.h> +#include <gpgme.h> + +#include <functional> +#include <string> + +#include "GpgConstants.h" + +#ifdef _WIN32 +#include <windows.h> +#endif + +#define INT2VOIDP(i) (void*)(uintptr_t)(i) + +namespace GpgFrontend { + +/** + * Constructor + * Set up gpgme-context, set paths to app-run path + */ +GpgContext::GpgContext(bool independent_database, std::string db_path, + int channel) + : SingletonFunctionObject<GpgContext>(channel) { + static bool _first = true; + + if (_first) { + /* Initialize the locale environment. */ + setlocale(LC_ALL, ""); + gpgme_check_version(nullptr); + gpgme_set_locale(nullptr, LC_CTYPE, setlocale(LC_CTYPE, nullptr)); +#ifdef LC_MESSAGES + gpgme_set_locale(nullptr, LC_MESSAGES, setlocale(LC_MESSAGES, nullptr)); +#endif + _first = false; + } + + gpgme_ctx_t _p_ctx; + check_gpg_error(gpgme_new(&_p_ctx)); + _ctx_ref = CtxRefHandler(_p_ctx); + + auto engineInfo = gpgme_ctx_get_engine_info(*this); + + // Check ENV before running + bool check_pass = false, find_openpgp = false, find_gpgconf = false, + find_assuan = false, find_cms = false; + while (engineInfo != nullptr) { + if (engineInfo->protocol == GPGME_PROTOCOL_GPGCONF && + strcmp(engineInfo->version, "1.0.0") != 0) + find_gpgconf = true; + if (engineInfo->protocol == GPGME_PROTOCOL_OpenPGP && + strcmp(engineInfo->version, "1.0.0") != 0) + find_openpgp = true, info.AppPath = engineInfo->file_name, + info.DatabasePath = "default"; + if (engineInfo->protocol == GPGME_PROTOCOL_CMS && + strcmp(engineInfo->version, "1.0.0") != 0) + find_cms = true; + if (engineInfo->protocol == GPGME_PROTOCOL_ASSUAN) find_assuan = true; + engineInfo = engineInfo->next; + } + + if (find_gpgconf && find_openpgp && find_cms && find_assuan) + check_pass = true; + + if (!check_pass) { + good_ = false; + return; + } else { + // Set Independent Database + if (independent_database) { + info.DatabasePath = db_path; + auto err = gpgme_ctx_set_engine_info( + _ctx_ref.get(), GPGME_PROTOCOL_OpenPGP, info.AppPath.c_str(), + info.DatabasePath.c_str()); + assert(check_gpg_error_2_err_code(err) == GPG_ERR_NO_ERROR); + } + + /** Setting the output type must be done at the beginning */ + /** think this means ascii-armor --> ? */ + gpgme_set_armor(*this, 1); + // Speed up loading process + gpgme_set_offline(*this, 1); + + check_gpg_error(gpgme_set_keylist_mode( + *this, GPGME_KEYLIST_MODE_LOCAL | GPGME_KEYLIST_MODE_WITH_SECRET | + GPGME_KEYLIST_MODE_SIGS | GPGME_KEYLIST_MODE_SIG_NOTATIONS | + GPGME_KEYLIST_MODE_WITH_TOFU)); + good_ = true; + } +} + +bool GpgContext::good() const { return good_; } + +void GpgContext::SetPassphraseCb(decltype(test_passphrase_cb) cb) const { + gpgme_set_passphrase_cb(*this, cb, nullptr); +} + +std::string GpgContext::getGpgmeVersion() { + return {gpgme_check_version(nullptr)}; +} + +} // namespace GpgFrontend
\ No newline at end of file |