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/**
* Copyright (C) 2021-2024 Saturneric <eric@bktus.com>
*
* 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 <eric@bktus.com> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "ReleaseCheck.h"
#include <GFSDKApp.h>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QRegularExpression>
namespace {
auto Compare(const QString& a, const QString& b) -> int {
return GFCompareSoftwareVersion(a.toUtf8().constData(),
b.toUtf8().constData());
}
auto ParseObject(const QByteArray& body) -> std::optional<QJsonObject> {
const auto doc = QJsonDocument::fromJson(body);
if (!doc.isObject()) return std::nullopt;
return doc.object();
}
} // namespace
auto ExtractVersionFromRawTag(const QString& raw_tag) -> QString {
static const QRegularExpression kVersionRe(
R"(^[vV](\d+\.)?(\d+\.)?(\*|\d+))");
auto match = kVersionRe.match(raw_tag);
return match.hasMatch() ? match.captured(0) : QString{};
}
auto IsPrereleaseVersion(const QString& version) -> bool {
static const QRegularExpression kSuffixRe(R"(^[vV]?\d+(\.\d+)*[-+~_a-zA-Z])");
return kSuffixRe.match(version).hasMatch();
}
auto ParseReleaseList(int http_status, const QByteArray& body,
const QString& current) -> ListResult {
ListResult result;
if (http_status != 200) return result;
const auto doc = QJsonDocument::fromJson(body);
if (!doc.isArray()) return result;
const bool accept_prerelease = IsPrereleaseVersion(current);
result.outcome = ListOutcome::kNoMatch;
for (const auto& value : doc.array()) {
if (!value.isObject()) continue;
const auto release = value.toObject();
if (release["draft"].toBool()) continue;
if (release["prerelease"].toBool() && !accept_prerelease) continue;
const auto version =
ExtractVersionFromRawTag(release["tag_name"].toString());
if (version.isEmpty()) continue;
if (!SoftwareVersion::SameSeries(version, current)) continue;
if (result.outcome == ListOutcome::kFound &&
Compare(version, result.latest.version) <= 0) {
continue;
}
result.outcome = ListOutcome::kFound;
result.latest.version = version;
result.latest.published_at = release["published_at"].toString();
result.latest.notes = release["body"].toString();
result.latest.html_url = release["html_url"].toString();
}
return result;
}
auto ClassifyLookup(int http_status, bool body_valid) -> RemoteFact {
if (http_status == 200) {
return body_valid ? RemoteFact::kConfirmed : RemoteFact::kUnknown;
}
if (http_status == 404) return RemoteFact::kNotFound;
return RemoteFact::kUnknown;
}
auto ParseTagLookup(int http_status, const QByteArray& body) -> RemoteFact {
const auto obj = http_status == 200 ? ParseObject(body) : std::nullopt;
const bool valid = obj && !obj->value("tag_name").toString().isEmpty();
return ClassifyLookup(http_status, valid);
}
auto ParseCommitLookup(int http_status, const QByteArray& body,
const QString& local_commit) -> RemoteFact {
const auto commit = local_commit.trimmed();
if (commit.isEmpty()) return RemoteFact::kUnknown;
if (http_status == 422) {
const auto obj = ParseObject(body);
const bool no_commit =
obj && obj->value("message").toString().startsWith("No commit found");
return no_commit ? RemoteFact::kNotFound : RemoteFact::kUnknown;
}
// GitHub resolves a short SHA to the full one, so the answer must start
// with ours; any other SHA answers a different question.
const auto obj = http_status == 200 ? ParseObject(body) : std::nullopt;
const bool valid = obj && obj->value("sha").toString().startsWith(
commit, Qt::CaseInsensitive);
return ClassifyLookup(http_status, valid);
}
auto IsUsable(const SoftwareVersion& r) -> bool {
return r.list.outcome != ListOutcome::kFailed;
}
auto IsComplete(const SoftwareVersion& fresh) -> bool {
return IsUsable(fresh) && fresh.tag_fact != RemoteFact::kUnknown &&
fresh.commit_fact != RemoteFact::kUnknown;
}
auto IsAuthoritative(const SoftwareVersion& r) -> bool {
return IsUsable(r) && r.complete;
}
auto Merge(const std::optional<SoftwareVersion>& prev,
const SoftwareVersion& fresh) -> std::optional<SoftwareVersion> {
if (!IsUsable(fresh)) return prev;
auto merged = fresh;
if (prev && prev->SameBuild(fresh.current_version, fresh.local_commit_hash)) {
if (merged.tag_fact == RemoteFact::kUnknown) {
merged.tag_fact = prev->tag_fact;
}
if (merged.commit_fact == RemoteFact::kUnknown) {
merged.commit_fact = prev->commit_fact;
}
}
return merged;
}
auto Decide(const SoftwareVersion& r) -> Verdict {
if (!IsUsable(r)) return Verdict::kUnknown;
if (r.list.outcome == ListOutcome::kFound &&
Compare(r.current_version, r.list.latest.version) < 0) {
return Verdict::kUpdateAvailable;
}
if (r.tag_fact == RemoteFact::kNotFound) {
return Verdict::kWithdrawnOrUnreleased;
}
if (r.commit_fact == RemoteFact::kNotFound) return Verdict::kUnofficialBuild;
return Verdict::kUpToDate;
}
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