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/**
* Copyright (C) 2021-2024 Saturneric <[email protected]>
*
* 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.
*
* GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "GpgVerifyResultAnalyse.h"
#include "core/GpgModel.h"
#include "core/function/gpg/GpgKeyGetter.h"
#include "core/utils/CommonUtils.h"
#include "core/utils/LocalizedUtils.h"
GpgFrontend::GpgVerifyResultAnalyse::GpgVerifyResultAnalyse(
int channel, GpgError error, GpgVerifyResult result)
: GpgResultAnalyse(channel), error_(error), result_(result) {}
void GpgFrontend::GpgVerifyResultAnalyse::doAnalyse() {
auto *result = this->result_.GetRaw();
stream_ << "# " << tr("Verify Operation") << " ";
if (gpgme_err_code(error_) == GPG_ERR_NO_ERROR) {
stream_ << " - " << tr("Success") << " " << Qt::endl;
} else {
stream_ << " - " << tr("Failed") << ": " << gpgme_strerror(error_)
<< Qt::endl;
setStatus(-1);
}
if (result != nullptr && result->signatures != nullptr) {
stream_ << Qt::endl;
auto *sign = result->signatures;
stream_ << "-> " << tr("Signed On") << "(" << tr("UTC") << ")" << ": "
<< GetUTCDateByTimestamp(sign->timestamp) << Qt::endl;
stream_ << "-> " << tr("Signed On") << "(" << tr("Localized") << ")" << ": "
<< GetLocalizedDateByTimestamp(sign->timestamp) << Qt::endl;
stream_ << Qt::endl << "## " << tr("Signatures List") << ":" << Qt::endl;
stream_ << Qt::endl;
bool can_continue = true;
int count = 1;
while ((sign != nullptr) && can_continue) {
stream_ << "### " << tr("Signature [%1]:").arg(count++) << Qt::endl;
stream_ << "- " << tr("Status") << ": ";
switch (gpg_err_code(sign->status)) {
case GPG_ERR_BAD_SIGNATURE:
stream_ << tr("A Bad Signature.") << Qt::endl;
print_signer(stream_, GpgSignature(sign));
stream_ << tr("This Signature is invalid.") << Qt::endl;
can_continue = false;
setStatus(-1);
break;
case GPG_ERR_NO_ERROR:
stream_ << tr("A") << " ";
if ((sign->summary & GPGME_SIGSUM_GREEN) != 0) {
stream_ << tr("Good") << " ";
}
if ((sign->summary & GPGME_SIGSUM_RED) != 0) {
stream_ << tr("Bad") << " ";
}
if ((sign->summary & GPGME_SIGSUM_SIG_EXPIRED) != 0) {
stream_ << tr("Expired") << " ";
}
if ((sign->summary & GPGME_SIGSUM_KEY_MISSING) != 0) {
stream_ << tr("Missing Key's") << " ";
}
if ((sign->summary & GPGME_SIGSUM_KEY_REVOKED) != 0) {
stream_ << tr("Revoked Key's") << " ";
}
if ((sign->summary & GPGME_SIGSUM_KEY_EXPIRED) != 0) {
stream_ << tr("Expired Key's") << " ";
}
if ((sign->summary & GPGME_SIGSUM_CRL_MISSING) != 0) {
stream_ << tr("Missing CRL's") << " ";
}
if ((sign->summary & GPGME_SIGSUM_VALID) != 0) {
stream_ << tr("Signature Fully Valid.") << Qt::endl;
} else {
stream_ << tr("Signature Not Fully Valid.") << Qt::endl;
stream_ << "- " << tr("Tips") << ": "
<< tr("Adjust Trust Level to make it Fully Vaild")
<< Qt::endl;
}
if ((sign->status & GPGME_SIGSUM_KEY_MISSING) == 0U) {
if (!print_signer(stream_, GpgSignature(sign))) setStatus(0);
} else {
stream_ << tr("Key is NOT present with ID 0x") << sign->fpr
<< Qt::endl;
}
setStatus(1);
break;
case GPG_ERR_NO_PUBKEY:
stream_
<< tr("A signature could NOT be verified due to a Missing Key")
<< Qt::endl;
setStatus(-2);
print_signer_without_key(stream_, GpgSignature(sign));
unknown_signer_fpr_list_.push_back(
GpgSignature(sign).GetFingerprint());
break;
case GPG_ERR_CERT_REVOKED:
stream_ << tr("A signature is valid but the key used to verify the "
"signature has been revoked")
<< Qt::endl;
if (!print_signer(stream_, GpgSignature(sign))) {
setStatus(0);
}
setStatus(-1);
break;
case GPG_ERR_SIG_EXPIRED:
stream_ << tr("A signature is valid but expired") << Qt::endl;
if (!print_signer(stream_, GpgSignature(sign))) {
setStatus(0);
}
setStatus(-1);
break;
case GPG_ERR_KEY_EXPIRED:
stream_ << tr("A signature is valid but the key used to "
"verify the signature has expired.")
<< Qt::endl;
if (!print_signer(stream_, GpgSignature(sign))) {
setStatus(0);
}
break;
case GPG_ERR_GENERAL:
stream_ << tr("There was some other error which prevented "
"the signature verification.")
<< Qt::endl;
status_ = -1;
can_continue = false;
break;
default:
auto fpr = QString(sign->fpr);
stream_ << tr("Error for key with fingerprint") << " "
<< GpgFrontend::BeautifyFingerprint(fpr);
setStatus(-1);
}
stream_ << Qt::endl;
sign = sign->next;
}
stream_ << Qt::endl;
} else {
stream_
<< "-> "
<< tr("Could not find information that can be used for verification.")
<< Qt::endl;
setStatus(0);
return;
}
}
auto GpgFrontend::GpgVerifyResultAnalyse::print_signer_without_key(
QTextStream &stream, GpgSignature sign) -> bool {
stream_ << "- " << tr("Signed By") << "(" << tr("Fingerprint") << ")" << ": "
<< (sign.GetFingerprint().isEmpty() ? tr("<unknown>")
: sign.GetFingerprint())
<< Qt::endl;
stream << "- " << tr("Public Key Algo") << ": " << sign.GetPubkeyAlgo()
<< Qt::endl;
stream << "- " << tr("Hash Algo") << ": " << sign.GetHashAlgo() << Qt::endl;
stream << "- " << tr("Sign Date") << "(" << tr("UTC") << ")" << ": "
<< QLocale().toString(sign.GetCreateTime().toUTC()) << Qt::endl;
stream << "- " << tr("Sign Date") << "(" << tr("Localized") << ")" << ": "
<< QLocale().toString(sign.GetCreateTime()) << Qt::endl;
return true;
}
auto GpgFrontend::GpgVerifyResultAnalyse::print_signer(
QTextStream &stream, GpgSignature sign) -> bool {
auto fingerprint = sign.GetFingerprint();
auto key =
GpgFrontend::GpgKeyGetter::GetInstance(GetChannel()).GetKey(fingerprint);
if (key.IsGood()) {
stream << "- " << tr("Signed By") << ": " << key.UIDs().front().GetUID()
<< Qt::endl;
auto s_keys = key.SubKeys();
auto it = std::find_if(s_keys.begin(), s_keys.end(),
[fingerprint](const GpgSubKey &k) {
return k.Fingerprint() == fingerprint;
});
if (it != s_keys.end()) {
auto &s_key = *it;
if (s_key.Fingerprint() != key.Fingerprint()) {
stream << "- " << tr("Key ID") << ": " << key.ID() << " ("
<< tr("Subkey") << ")" << Qt::endl;
} else {
stream << "- " << tr("Key ID") << ": " << key.ID() << " ("
<< tr("Primary Key") << ")" << Qt::endl;
}
stream << "- " << tr("Key Create Date") << ": "
<< QLocale().toString(s_key.CreationTime()) << Qt::endl;
}
} else {
stream_ << "- " << tr("Signed By") << "(" << tr("Fingerprint") << ")"
<< ": " << (fingerprint.isEmpty() ? tr("<unknown>") : fingerprint)
<< Qt::endl;
setStatus(0);
}
stream << "- " << tr("Public Key Algo") << ": " << sign.GetPubkeyAlgo()
<< Qt::endl;
stream << "- " << tr("Hash Algo") << ": " << sign.GetHashAlgo() << Qt::endl;
stream << "- " << tr("Sign Date") << "(" << tr("UTC") << ")" << ": "
<< QLocale().toString(sign.GetCreateTime().toUTC()) << Qt::endl;
stream << "- " << tr("Sign Date") << "(" << tr("Localized") << ")" << ": "
<< QLocale().toString(sign.GetCreateTime()) << Qt::endl;
stream << Qt::endl;
return key.IsGood();
}
auto GpgFrontend::GpgVerifyResultAnalyse::GetSignatures() const
-> gpgme_signature_t {
if (result_.IsGood()) {
return result_.GetRaw()->signatures;
}
return nullptr;
}
auto GpgFrontend::GpgVerifyResultAnalyse::TakeChargeOfResult()
-> GpgFrontend::GpgVerifyResult {
return result_;
}
auto GpgFrontend::GpgVerifyResultAnalyse::GetUnknownSignatures() const
-> QStringList {
return unknown_signer_fpr_list_;
}
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