feat(GODT-2446): Attach logs to sentry reports for relevant bridge-gui exceptions.

internal/frontend/bridge-gui/bridge-gui/AppController.cpp

@@ -32,6 +32,7 @@ namespace {
 QString const noWindowFlag = "--no-window"; ///< The no-window command-line flag.
 }
 
+
 //****************************************************************************************************************************************************
 /// \return The AppController instance.
 //****************************************************************************************************************************************************
@@ -71,36 +72,34 @@ ProcessMonitor *AppController::bridgeMonitor() const {
 
 
 //****************************************************************************************************************************************************
-/// \param[in] function The function that caught the exception.
-/// \param[in] message The error message.
-/// \param[in] details The details for the error.
+/// \param[in] exception The exception that triggered the fatal error.
 //****************************************************************************************************************************************************
-void AppController::onFatalError(QString const &function, QString const &message, QString const& details) {
-    QString fullMessage = QString("%1(): %2").arg(function, message);
-    if (!details.isEmpty())
-        fullMessage += "\n\nDetails:\n" + details;
-    sentry_uuid_s const uuid = reportSentryException(SENTRY_LEVEL_ERROR, "AppController got notified of a fatal error", "Exception",
-        fullMessage.toLocal8Bit());
-    QMessageBox::critical(nullptr, tr("Error"), message);
+void AppController::onFatalError(Exception const &exception) {
+    sentry_uuid_t uuid = reportSentryException("AppController got notified of a fatal error", exception);
+
+    QMessageBox::critical(nullptr, tr("Error"), exception.what());
     restart(true);
-    log().fatal(QString("reportID: %1 Captured exception: %2").arg(QByteArray(uuid.bytes, 16).toHex(), fullMessage));
+    log().fatal(QString("reportID: %1 Captured exception: %2").arg(QByteArray(uuid.bytes, 16).toHex(), exception.detailedWhat()));
     qApp->exit(EXIT_FAILURE);
 }
 
+
 void AppController::restart(bool isCrashing) {
     if (!launcher_.isEmpty()) {
         QProcess p;
-        log_->info(QString("Restarting - App : %1 - Args : %2").arg(launcher_,launcherArgs_.join(" ")));
+        log_->info(QString("Restarting - App : %1 - Args : %2").arg(launcher_, launcherArgs_.join(" ")));
         QStringList args = launcherArgs_;
-        if (isCrashing)
+        if (isCrashing) {
             args.append(noWindowFlag);
+        }
 
         p.startDetached(launcher_, args);
         p.waitForStarted();
     }
 }
 
-void AppController::setLauncherArgs(const QString& launcher, const QStringList& args){
+
+void AppController::setLauncherArgs(const QString &launcher, const QStringList &args) {
     launcher_ = launcher;
     launcherArgs_ = args;
 }

internal/frontend/bridge-gui/bridge-gui/AppController.h

@@ -20,21 +20,16 @@
 #define BRIDGE_GUI_APP_CONTROLLER_H
 
 
+// @formatter:off
 class QMLBackend;
-
-
 namespace bridgepp {
 class Log;
-
-
 class Overseer;
-
-
 class GRPCClient;
-
-
 class ProcessMonitor;
+class Exception;
 }
+// @formatter:off
 
 
 //****************************************************************************************************************************************************
@@ -58,7 +53,7 @@ public: // member functions.
     void setLauncherArgs(const QString& launcher, const QStringList& args);
 
 public slots:
-    void onFatalError(QString const &function, QString const &message, QString const& details); ///< Handle fatal errors.
+    void onFatalError(bridgepp::Exception const& e); ///< Handle fatal errors.
 
 private: // member functions
     AppController(); ///< Default constructor.

internal/frontend/bridge-gui/bridge-gui/CMakeLists.txt

@@ -112,6 +112,7 @@ add_executable(bridge-gui
     BridgeApp.cpp BridgeApp.h
     CommandLine.cpp CommandLine.h
     EventStreamWorker.cpp EventStreamWorker.h
+    LogUtils.cpp LogUtils.h
     main.cpp
     Pch.h
     BuildConfig.h

internal/frontend/bridge-gui/bridge-gui/EventStreamWorker.cpp

@@ -52,7 +52,7 @@ void EventStreamReader::run() {
         emit finished();
     }
     catch (Exception const &e) {
-        reportSentryException(SENTRY_LEVEL_ERROR, "Error during event stream read", "Exception", e.what());
+        reportSentryException("Error during event stream read", e);
         emit error(e.qwhat());
     }
 }

internal/frontend/bridge-gui/bridge-gui/LogUtils.cpp

@@ -0,0 +1,62 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge 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.
+//
+// Proton Mail Bridge 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+
+#include "LogUtils.h"
+#include <bridgepp/BridgeUtils.h>
+
+
+using namespace bridgepp;
+
+
+namespace {
+    qsizetype const logFileTailMaxLength = 25 * 1024; ///< The maximum length of the portion of log returned by tailOfLatestBridgeLog()
+}
+
+//****************************************************************************************************************************************************
+/// \brief Return the path of the latest bridge log.
+/// \return The path of the latest bridge log file.
+/// \return An empty string if no bridge log file was found.
+//****************************************************************************************************************************************************
+QString latestBridgeLogPath() {
+    QDir const logsDir(userLogsDir());
+    if (logsDir.isEmpty()) {
+        return QString();
+    }
+    QFileInfoList files = logsDir.entryInfoList({ "v*.log" }, QDir::Files); // could do sorting, but only by last modification time. we want to sort by creation time.
+    std::sort(files.begin(), files.end(), [](QFileInfo const &lhs, QFileInfo const &rhs) -> bool {
+        return lhs.birthTime() < rhs.birthTime();
+    });
+    return files.back().absoluteFilePath();
+}
+
+
+//****************************************************************************************************************************************************
+/// Return the maxSize last bytes of the latest bridge log.
+//****************************************************************************************************************************************************
+QByteArray tailOfLatestBridgeLog() {
+    QString path = latestBridgeLogPath();
+    if (path.isEmpty()) {
+        return QByteArray();
+    }
+
+    QFile file(path);
+    return file.open(QIODevice::Text | QIODevice::ReadOnly) ? file.readAll().right(logFileTailMaxLength) : QByteArray();
+}
+
+
+

internal/frontend/bridge-gui/bridge-gui/LogUtils.h

@@ -0,0 +1,26 @@
+// Copyright (c) 2023 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge 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.
+//
+// Proton Mail Bridge 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+
+#ifndef BRIDGE_GUI_LOG_UTILS_H
+#define BRIDGE_GUI_LOG_UTILS_H
+
+
+QByteArray tailOfLatestBridgeLog(); ///< Return the last bytes of the last bridge log.
+
+
+#endif //BRIDGE_GUI_LOG_UTILS_H

internal/frontend/bridge-gui/bridge-gui/QMLBackend.cpp

@@ -19,14 +19,15 @@
 #include "QMLBackend.h"
 #include "EventStreamWorker.h"
 #include "BuildConfig.h"
+#include "LogUtils.h"
 #include <bridgepp/GRPC/GRPCClient.h>
 #include <bridgepp/Exception/Exception.h>
 #include <bridgepp/Worker/Overseer.h>
 
 
 #define HANDLE_EXCEPTION(x) try { x } \
-    catch (Exception const &e) { emit fatalError(__func__, e.qwhat(), e.details()); } \
-    catch (...)  { emit fatalError(__func__, QString("An unknown exception occurred"), QString()); }
+    catch (Exception const &e) { emit fatalError(e); } \
+    catch (...)  { emit fatalError(Exception("An unknown exception occurred", QString(), __func__)); }
 #define HANDLE_EXCEPTION_RETURN_BOOL(x) HANDLE_EXCEPTION(x) return false;
 #define HANDLE_EXCEPTION_RETURN_QSTRING(x) HANDLE_EXCEPTION(x) return QString();
 #define HANDLE_EXCEPTION_RETURN_ZERO(x) HANDLE_EXCEPTION(x) return 0;
@@ -594,7 +595,7 @@ void QMLBackend::login(QString const &username, QString const &password) const {
     HANDLE_EXCEPTION(
         if (username.compare("coco@bandicoot", Qt::CaseInsensitive) == 0) {
             throw Exception("User requested bridge-gui to crash by trying to log as coco@bandicoot",
-                "This error exists for test purposes and should be ignored.");
+                "This error exists for test purposes and should be ignored.", __func__, tailOfLatestBridgeLog());
         }
         app().grpc().login(username, password);
     )

internal/frontend/bridge-gui/bridge-gui/QMLBackend.h

@@ -235,7 +235,7 @@ signals: // Signals received from the Go backend, to be forwarded to QML
     void selectUser(QString const); ///< Signal that request the given user account to be displayed.
 
     // This signal is emitted when an exception is intercepted is calls triggered by QML. QML engine would intercept the exception otherwise.
-    void fatalError(QString const &function, QString const &message, QString const &details) const; ///< Signal emitted when an fatal error occurs.
+    void fatalError(bridgepp::Exception const& e) const; ///< Signal emitted when an fatal error occurs.
 
 private: // member functions
     void retrieveUserList(); ///< Retrieve the list of users via gRPC.

internal/frontend/bridge-gui/bridge-gui/SentryUtils.cpp

@@ -18,14 +18,34 @@
 #include "SentryUtils.h"
 #include "BuildConfig.h"
 #include <bridgepp/BridgeUtils.h>
+#include <bridgepp/Exception/Exception.h>
 
 #include <QByteArray>
 #include <QCryptographicHash>
 #include <QString>
 #include <QSysInfo>
 
+
 static constexpr const char *LoggerName = "bridge-gui";
 
+
+//****************************************************************************************************************************************************
+/// \return The temporary file used for sentry attachment.
+//****************************************************************************************************************************************************
+QString sentryAttachmentFilePath() {
+    static QString path;
+    if (!path.isEmpty()) {
+        return path;
+    }
+    while (true) {
+        path = QDir::temp().absoluteFilePath(QUuid::createUuid().toString(QUuid::WithoutBraces) + ".txt"); // Sentry does not offer preview for .log files.
+        if (!QFileInfo::exists(path)) {
+            return path;
+        }
+    }
+}
+
+
 QByteArray getProtectedHostname() {
     QByteArray hostname = QCryptographicHash::hash(QSysInfo::machineHostName().toUtf8(), QCryptographicHash::Sha256);
     return hostname.toHex();
@@ -63,12 +83,15 @@ sentry_options_t* newSentryOptions(const char *sentryDNS, const char *cacheDir)
     sentry_options_set_release(sentryOptions, appVersion(PROJECT_VER).toUtf8());
     sentry_options_set_max_breadcrumbs(sentryOptions, 50);
     sentry_options_set_environment(sentryOptions, PROJECT_BUILD_ENV);
+    QByteArray const array = sentryAttachmentFilePath().toLocal8Bit();
+    sentry_options_add_attachment(sentryOptions, array.constData());
     // Enable this for debugging sentry.
     // sentry_options_set_debug(sentryOptions, 1);
 
     return sentryOptions;
 }
 
+
 sentry_uuid_t reportSentryEvent(sentry_level_t level, const char *message) {
     auto event = sentry_value_new_message_event(level, LoggerName, message);
     return sentry_capture_event(event);
@@ -92,3 +115,30 @@ sentry_uuid_t reportSentryException(sentry_level_t level, const char *message, c
 }
 
 
+//****************************************************************************************************************************************************
+/// \param[in] message The message for the exception.
+/// \param[in] function The name of the function that triggered the exception.
+/// \param[in] exception The exception.
+/// \return The Sentry exception UUID.
+//****************************************************************************************************************************************************
+sentry_uuid_t reportSentryException(QString const &message, bridgepp::Exception const exception) {
+    QByteArray const attachment = exception.attachment();
+    QFile file(sentryAttachmentFilePath());
+    bool const hasAttachment = !attachment.isEmpty();
+    if (hasAttachment) {
+        if (file.open(QIODevice::Text | QIODevice::WriteOnly)) {
+            file.write(attachment);
+            file.close();
+        }
+    }
+
+    sentry_uuid_t const uuid = reportSentryException(SENTRY_LEVEL_ERROR, message.toLocal8Bit(), "Exception",
+        exception.detailedWhat().toLocal8Bit());
+
+    if (hasAttachment) {
+        file.remove();
+    }
+
+    return uuid;
+}
+

internal/frontend/bridge-gui/bridge-gui/SentryUtils.h

@@ -21,9 +21,11 @@
 
 #include <sentry.h>
 
+
 void setSentryReportScope();
 sentry_options_t* newSentryOptions(const char * sentryDNS, const char * cacheDir);
 sentry_uuid_t reportSentryEvent(sentry_level_t level, const char *message);
-sentry_uuid_t reportSentryException(sentry_level_t level, const char *message, const char *exceptionType, const char *exception);
+sentry_uuid_t reportSentryException(QString const& message, bridgepp::Exception const exception);
+
 
 #endif //BRIDGE_GUI_SENTRYUTILS_H

internal/frontend/bridge-gui/bridge-gui/main.cpp

@@ -22,6 +22,7 @@
 #include "QMLBackend.h"
 #include "SentryUtils.h"
 #include "BuildConfig.h"
+#include "LogUtils.h"
 #include <bridgepp/BridgeUtils.h>
 #include <bridgepp/Exception/Exception.h>
 #include <bridgepp/FocusGRPC/FocusGRPCClient.h>
@@ -238,7 +239,7 @@ void focusOtherInstance() {
     }
     catch (Exception const &e) {
         app().log().error(e.qwhat());
-        auto uuid = reportSentryException(SENTRY_LEVEL_ERROR, "Exception occurred during focusOtherInstance()", "Exception", e.what());
+        auto uuid = reportSentryException("Exception occurred during focusOtherInstance()", e);
         app().log().fatal(QString("reportID: %1 Captured exception: %2").arg(QByteArray(uuid.bytes, 16).toHex()).arg(e.qwhat()));
     }
 }
@@ -332,7 +333,8 @@ int main(int argc, char *argv[]) {
 
         if (!cliOptions.attach) {
             if (isBridgeRunning()) {
-                throw Exception("An orphan instance of bridge is already running. Please terminate it and relaunch the application.");
+                throw Exception("An orphan instance of bridge is already running. Please terminate it and relaunch the application.",
+                    QString(), QString(), tailOfLatestBridgeLog());
             }
 
             // before launching bridge, we remove any trailing service config file, because we need to make sure we get a newly generated one.
@@ -359,6 +361,7 @@ int main(int argc, char *argv[]) {
         QQuickWindow::setSceneGraphBackend(cliOptions.useSoftwareRenderer ? "software" : "rhi");
         log.info(QString("Qt Quick renderer: %1").arg(QQuickWindow::sceneGraphBackend()));
 
+
         QQmlApplicationEngine engine;
         std::unique_ptr<QQmlComponent> rootComponent(createRootQmlComponent(engine));
         std::unique_ptr<QObject> rootObject(rootComponent->create(engine.rootContext()));
@@ -420,16 +423,9 @@ int main(int argc, char *argv[]) {
         return result;
     }
     catch (Exception const &e) {
-        QString fullMessage = e.qwhat();
-        bool const hasDetails = !e.details().isEmpty();
-        if (hasDetails)
-            fullMessage += "\n\nDetails:\n" + e.details();
-        sentry_uuid_s const uuid = reportSentryException(SENTRY_LEVEL_ERROR, "Exception occurred during main", "Exception", fullMessage.toLocal8Bit());
+        sentry_uuid_s const uuid = reportSentryException("Exception occurred during main", e);
         QMessageBox::critical(nullptr, "Error", e.qwhat());
-        QTextStream errStream(stderr);
-        errStream << "reportID: " << QByteArray(uuid.bytes, 16).toHex() << " Captured exception :" << e.qwhat() << "\n";
-        if (hasDetails)
-            errStream << "\nDetails:\n" << e.details() << "\n";
+        QTextStream(stderr) << "reportID: " << QByteArray(uuid.bytes, 16).toHex() << " Captured exception :" << e.detailedWhat() << "\n";
         return EXIT_FAILURE;
     }
 }

internal/frontend/bridge-gui/bridgepp/bridgepp/Exception/Exception.cpp

@@ -25,12 +25,15 @@ namespace bridgepp {
 //****************************************************************************************************************************************************
 /// \param[in] what A description of the exception.
 /// \param[in] details The optional details for the exception.
+/// \param[in] function The name of the calling function.
 //****************************************************************************************************************************************************
-Exception::Exception(QString qwhat, QString details) noexcept
+Exception::Exception(QString qwhat, QString details, QString function, QByteArray attachment) noexcept
     : std::exception()
     , qwhat_(std::move(qwhat))
     , what_(qwhat_.toLocal8Bit())
-    , details_(std::move(details)) {
+    , details_(std::move(details))
+    , function_(std::move(function))
+    , attachment_(std::move(attachment)) {
 }
 
 
@@ -41,7 +44,9 @@ Exception::Exception(Exception const &ref) noexcept
     : std::exception(ref)
     , qwhat_(ref.qwhat_)
     , what_(ref.what_)
-    , details_(ref.details_) {
+    , details_(ref.details_)
+    , function_(ref.function_)
+    , attachment_(ref.attachment_) {
 }
 
 
@@ -52,7 +57,9 @@ Exception::Exception(Exception &&ref) noexcept
     : std::exception(ref)
     , qwhat_(ref.qwhat_)
     , what_(ref.what_)
-    , details_(ref.details_) {
+    , details_(ref.details_)
+    , function_(ref.function_)
+    , attachment_(ref.attachment_) {
 }
 
 
@@ -80,4 +87,26 @@ QString Exception::details() const noexcept {
 }
 
 
+//****************************************************************************************************************************************************
+/// \return The attachment for the exception.
+//****************************************************************************************************************************************************
+QByteArray Exception::attachment() const noexcept {
+    return attachment_;
+}
+
+
+//****************************************************************************************************************************************************
+/// \return The details exception.
+//****************************************************************************************************************************************************
+QString Exception::detailedWhat() const {
+    QString result = qwhat_;
+    if (!function_.isEmpty()) {
+        result = QString("%1(): %2").arg(function_, result);
+    }
+    if (!details_.isEmpty()) {
+        result += "\n\nDetails:\n" + details_;
+    }
+    return result;
+}
+
 } // namespace bridgepp

internal/frontend/bridge-gui/bridgepp/bridgepp/Exception/Exception.h

@@ -31,7 +31,8 @@ namespace bridgepp {
 //****************************************************************************************************************************************************
 class Exception : public std::exception {
 public: // member functions
-    explicit Exception(QString qwhat = QString(), QString details = QString()) noexcept; ///< Constructor
+    explicit Exception(QString qwhat = QString(), QString details = QString(), QString function = QString(),
+        QByteArray attachment = QByteArray()) noexcept; ///< Constructor
     Exception(Exception const &ref) noexcept; ///< copy constructor
     Exception(Exception &&ref) noexcept; ///< copy constructor
     Exception &operator=(Exception const &) = delete; ///< Disabled assignment operator
@@ -40,11 +41,15 @@ public: // member functions
     QString qwhat() const noexcept; ///< Return the description of the exception as a QString
     const char *what() const noexcept override; ///< Return the description of the exception as C style string
     QString details() const noexcept; ///< Return the details for the exception
+    QByteArray attachment() const noexcept; ///< Return the attachment for the exception.
+    QString detailedWhat() const; ///< Return the detailed description of the message (i.e. including the function name and the details).
 
 private: // data members
     QString const qwhat_; ///< The description of the exception.
     QByteArray const what_; ///< The c-string version of the qwhat message. Stored as a QByteArray for automatic lifetime management.
     QString const details_; ///< The optional details for the exception.
+    QString const function_; ///< The name of the function that created the exception.
+    QByteArray const attachment_; ///< The attachment to add to the exception.
 };