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Give more feedback for YggdrasilTask network errors.

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This commit is contained in:
Petr Mrázek 2014-04-06 20:31:02 +02:00
parent 632c087483
commit b286b93281
9 changed files with 139 additions and 105 deletions
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2
logic/auth/MojangAccount.cpp
View File

@ -220,7 +220,7 @@ void MojangAccount::authFailed(QString reason)
auto session = m_currentTask->getAssignedSession();
// This is emitted when the yggdrasil tasks time out or are cancelled.
// -> we treat the error as no-op
if (reason == "Yggdrasil task cancelled.")
if (m_currentTask->state() == YggdrasilTask::STATE_FAILED_SOFT)
{
if (session)
{

102
logic/auth/YggdrasilTask.cpp
View File

@ -29,11 +29,12 @@
YggdrasilTask::YggdrasilTask(MojangAccount *account, QObject *parent)
: Task(parent), m_account(account)
{
changeState(STATE_CREATED);
}
void YggdrasilTask::executeTask()
{
setStatus(getStateMessage(STATE_SENDING_REQUEST));
changeState(STATE_SENDING_REQUEST);
// Get the content of the request we're going to send to the server.
QJsonDocument doc(getRequestContent());
@ -73,12 +74,16 @@ void YggdrasilTask::heartbeat()
void YggdrasilTask::abort()
{
progress(timeout_max, timeout_max);
// TODO: actually use this in a meaningful way
m_aborted = YggdrasilTask::BY_USER;
m_netReply->abort();
}
void YggdrasilTask::abortByTimeout()
{
progress(timeout_max, timeout_max);
// TODO: actually use this in a meaningful way
m_aborted = YggdrasilTask::BY_TIMEOUT;
m_netReply->abort();
}
@ -96,11 +101,21 @@ void YggdrasilTask::sslErrors(QList<QSslError> errors)
void YggdrasilTask::processReply()
{
setStatus(getStateMessage(STATE_PROCESSING_RESPONSE));
changeState(STATE_PROCESSING_RESPONSE);
if (m_netReply->error() == QNetworkReply::SslHandshakeFailedError)
switch (m_netReply->error())
{
emitFailed(
case QNetworkReply::NoError:
break;
case QNetworkReply::TimeoutError:
changeState(STATE_FAILED_SOFT, tr("Authentication operation timed out."));
return;
case QNetworkReply::OperationCanceledError:
changeState(STATE_FAILED_SOFT, tr("Authentication operation cancelled."));
return;
case QNetworkReply::SslHandshakeFailedError:
changeState(
STATE_FAILED_SOFT,
tr("<b>SSL Handshake failed.</b><br/>There might be a few causes for it:<br/>"
"<ul>"
"<li>You use Windows XP and need to <a "
@ -111,16 +126,13 @@ void YggdrasilTask::processReply()
"<li>Possibly something else. Check the MultiMC log file for details</li>"
"</ul>"));
return;
}
// any network errors lead to offline mode right now
if (m_netReply->error() >= QNetworkReply::ConnectionRefusedError &&
m_netReply->error() <= QNetworkReply::UnknownNetworkError)
{
// WARNING/FIXME: the value here is used in MojangAccount to detect the cancel/timeout
emitFailed("Yggdrasil task cancelled.");
QLOG_ERROR() << "Yggdrasil task cancelled because of: " << m_netReply->error() << " : "
<< m_netReply->errorString();
// used for invalid credentials and similar errors. Fall through.
case QNetworkReply::ContentOperationNotPermittedError:
break;
default:
changeState(STATE_FAILED_SOFT,
tr("Authentication operation failed due to a network error: %1 (%2)")
.arg(m_netReply->errorString()).arg(m_netReply->error()));
return;
}
@ -140,22 +152,16 @@ void YggdrasilTask::processReply()
// pass an empty json object to the processResponse function.
if (jsonError.error == QJsonParseError::NoError || replyData.size() == 0)
{
if (processResponse(replyData.size() > 0 ? doc.object() : QJsonObject()))
{
emitSucceeded();
processResponse(replyData.size() > 0 ? doc.object() : QJsonObject());
return;
}
// errors happened anyway?
emitFailed(m_error ? m_error->m_errorMessageVerbose
: tr("An unknown error occurred when processing the response "
"from the authentication server."));
}
else
{
emitFailed(tr("Failed to parse Yggdrasil JSON response: %1 at offset %2.")
changeState(STATE_FAILED_SOFT, tr("Failed to parse authentication server response "
"JSON response: %1 at offset %2.")
.arg(jsonError.errorString())
.arg(jsonError.offset));
QLOG_ERROR() << replyData;
}
return;
}
@ -171,20 +177,21 @@ void YggdrasilTask::processReply()
// stuff there.
QLOG_DEBUG() << "The request failed, but the server gave us an error message. "
"Processing error.";
emitFailed(processError(doc.object()));
processError(doc.object());
}
else
{
// The server didn't say anything regarding the error. Give the user an unknown
// error.
QLOG_DEBUG() << "The request failed and the server gave no error message. "
"Unknown error.";
emitFailed(tr("An unknown error occurred when trying to communicate with the "
QLOG_DEBUG()
<< "The request failed and the server gave no error message. Unknown error.";
changeState(STATE_FAILED_SOFT,
tr("An unknown error occurred when trying to communicate with the "
"authentication server: %1").arg(m_netReply->errorString()));
}
}
QString YggdrasilTask::processError(QJsonObject responseData)
void YggdrasilTask::processError(QJsonObject responseData)
{
QJsonValue errorVal = responseData.value("error");
QJsonValue errorMessageValue = responseData.value("errorMessage");
@ -194,24 +201,51 @@ QString YggdrasilTask::processError(QJsonObject responseData)
{
m_error = std::shared_ptr<Error>(new Error{
errorVal.toString(""), errorMessageValue.toString(""), causeVal.toString("")});
return m_error->m_errorMessageVerbose;
changeState(STATE_FAILED_HARD, m_error->m_errorMessageVerbose);
}
else
{
// Error is not in standard format. Don't set m_error and return unknown error.
return tr("An unknown Yggdrasil error occurred.");
changeState(STATE_FAILED_HARD, tr("An unknown Yggdrasil error occurred."));
}
}
QString YggdrasilTask::getStateMessage(const YggdrasilTask::State state) const
QString YggdrasilTask::getStateMessage() const
{
switch (state)
switch (m_state)
{
case STATE_CREATED:
return "Waiting...";
case STATE_SENDING_REQUEST:
return tr("Sending request to auth servers...");
case STATE_PROCESSING_RESPONSE:
return tr("Processing response from servers...");
case STATE_SUCCEEDED:
return tr("Authentication task succeeded.");
case STATE_FAILED_SOFT:
return tr("Failed to contact the authentication server.");
case STATE_FAILED_HARD:
return tr("Failed to authenticate.");
default:
return tr("Processing. Please wait...");
return tr("...");
}
}
void YggdrasilTask::changeState(YggdrasilTask::State newState, QString reason)
{
m_state = newState;
setStatus(getStateMessage());
if (newState == STATE_SUCCEEDED)
{
emitSucceeded();
}
else if (newState == STATE_FAILED_HARD || newState == STATE_FAILED_SOFT)
{
emitFailed(reason);
}
}
YggdrasilTask::State YggdrasilTask::state()
{
return m_state;
}

25
logic/auth/YggdrasilTask.h
View File

@ -60,17 +60,28 @@ public:
QString m_cause;
};
protected:
enum AbortedBy
{
BY_NOTHING,
BY_USER,
BY_TIMEOUT
} m_aborted = BY_NOTHING;
/**
* Enum for describing the state of the current task.
* Used by the getStateMessage function to determine what the status message should be.
*/
enum State
{
STATE_CREATED,
STATE_SENDING_REQUEST,
STATE_PROCESSING_RESPONSE,
STATE_OTHER,
};
STATE_FAILED_SOFT, //!< soft failure. this generally means the user auth details haven't been invalidated
STATE_FAILED_HARD, //!< hard failure. auth is invalid
STATE_SUCCEEDED
} m_state = STATE_CREATED;
protected:
virtual void executeTask();
@ -94,21 +105,21 @@ protected:
* Note: If the response from the server was blank, and the HTTP code was 200, this function is called with
* an empty QJsonObject.
*/
virtual bool processResponse(QJsonObject responseData) = 0;
virtual void processResponse(QJsonObject responseData) = 0;
/**
* Processes an error response received from the server.
* The default implementation will read data from Yggdrasil's standard error response format and set it as this task's Error.
* \returns a QString error message that will be passed to emitFailed.
*/
virtual QString processError(QJsonObject responseData);
virtual void processError(QJsonObject responseData);
/**
* Returns the state message for the given state.
* Used to set the status message for the task.
* Should be overridden by subclasses that want to change messages for a given state.
*/
virtual QString getStateMessage(const State state) const;
virtual QString getStateMessage() const;
protected
slots:
@ -117,10 +128,12 @@ slots:
void heartbeat();
void sslErrors(QList<QSslError>);
void changeState(State newState, QString reason=QString());
public
slots:
virtual void abort() override;
void abortByTimeout();
State state();
protected:
// FIXME: segfault disaster waiting to happen
MojangAccount *m_account = nullptr;

36
logic/auth/flows/AuthenticateTask.cpp
View File

@ -71,7 +71,7 @@ QJsonObject AuthenticateTask::getRequestContent() const
return req;
}
bool AuthenticateTask::processResponse(QJsonObject responseData)
void AuthenticateTask::processResponse(QJsonObject responseData)
{
// Read the response data. We need to get the client token, access token, and the selected
// profile.
@ -84,16 +84,13 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
if (clientToken.isEmpty())
{
// Fail if the server gave us an empty client token
// TODO: Set an error properly to display to the user.
QLOG_ERROR() << "Server didn't send a client token.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server didn't send a client token."));
return;
}
if (!m_account->m_clientToken.isEmpty() && clientToken != m_account->m_clientToken)
{
// The server changed our client token! Obey its wishes, but complain. That's what I do
// for my parents, so...
QLOG_WARN() << "Server changed our client token to '" << clientToken
<< "'. This shouldn't happen, but it isn't really a big deal.";
changeState(STATE_FAILED_HARD, tr("Authentication server attempted to change the client token. This isn't supported."));
return;
}
// Set the client token.
m_account->m_clientToken = clientToken;
@ -104,8 +101,8 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
if (accessToken.isEmpty())
{
// Fail if the server didn't give us an access token.
// TODO: Set an error properly to display to the user.
QLOG_ERROR() << "Server didn't send an access token.";
changeState(STATE_FAILED_HARD, tr("Authentication server didn't send an access token."));
return;
}
// Set the access token.
m_account->m_accessToken = accessToken;
@ -149,16 +146,13 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
QString currentProfileId = currentProfile.value("id").toString("");
if (currentProfileId.isEmpty())
{
// TODO: Set an error to display to the user.
QLOG_ERROR() << "Server didn't specify a currently selected profile.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server didn't specify a currently selected profile. The account exists, but likely isn't premium."));
return;
}
if (!m_account->setCurrentProfile(currentProfileId))
{
// TODO: Set an error to display to the user.
QLOG_ERROR() << "Server specified a selected profile that wasn't in the available "
"profiles list.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server specified a selected profile that wasn't in the available profiles list."));
return;
}
// this is what the vanilla launcher passes to the userProperties launch param
@ -181,7 +175,7 @@ bool AuthenticateTask::processResponse(QJsonObject responseData)
// We've made it through the minefield of possible errors. Return true to indicate that
// we've succeeded.
QLOG_DEBUG() << "Finished reading authentication response.";
return true;
changeState(STATE_SUCCEEDED);
}
QString AuthenticateTask::getEndpoint() const
@ -189,15 +183,15 @@ QString AuthenticateTask::getEndpoint() const
return "authenticate";
}
QString AuthenticateTask::getStateMessage(const YggdrasilTask::State state) const
QString AuthenticateTask::getStateMessage() const
{
switch (state)
switch (m_state)
{
case STATE_SENDING_REQUEST:
return tr("Authenticating: Sending request...");
case STATE_PROCESSING_RESPONSE:
return tr("Authenticating: Processing response...");
default:
return YggdrasilTask::getStateMessage(state);
return YggdrasilTask::getStateMessage();
}
}

8
logic/auth/flows/AuthenticateTask.h
View File

@ -33,13 +33,13 @@ public:
AuthenticateTask(MojangAccount *account, const QString &password, QObject *parent = 0);
protected:
virtual QJsonObject getRequestContent() const;
virtual QJsonObject getRequestContent() const override;
virtual QString getEndpoint() const;
virtual QString getEndpoint() const override;
virtual bool processResponse(QJsonObject responseData);
virtual void processResponse(QJsonObject responseData) override;
QString getStateMessage(const YggdrasilTask::State state) const;
virtual QString getStateMessage() const override;
private:
QString m_password;

32
logic/auth/flows/RefreshTask.cpp
View File

@ -60,7 +60,7 @@ QJsonObject RefreshTask::getRequestContent() const
return req;
}
bool RefreshTask::processResponse(QJsonObject responseData)
void RefreshTask::processResponse(QJsonObject responseData)
{
// Read the response data. We need to get the client token, access token, and the selected
// profile.
@ -73,17 +73,13 @@ bool RefreshTask::processResponse(QJsonObject responseData)
if (clientToken.isEmpty())
{
// Fail if the server gave us an empty client token
// TODO: Set an error properly to display to the user.
QLOG_ERROR() << "Server didn't send a client token.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server didn't send a client token."));
return;
}
if (!m_account->m_clientToken.isEmpty() && clientToken != m_account->m_clientToken)
{
// The server changed our client token! Obey its wishes, but complain. That's what I do
// for my parents, so...
QLOG_ERROR() << "Server changed our client token to '" << clientToken
<< "'. This shouldn't happen, but it isn't really a big deal.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server attempted to change the client token. This isn't supported."));
return;
}
// Now, we set the access token.
@ -92,9 +88,8 @@ bool RefreshTask::processResponse(QJsonObject responseData)
if (accessToken.isEmpty())
{
// Fail if the server didn't give us an access token.
// TODO: Set an error properly to display to the user.
QLOG_ERROR() << "Server didn't send an access token.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server didn't send an access token."));
return;
}
// we validate that the server responded right. (our current profile = returned current
@ -103,9 +98,8 @@ bool RefreshTask::processResponse(QJsonObject responseData)
QString currentProfileId = currentProfile.value("id").toString("");
if (m_account->currentProfile()->id != currentProfileId)
{
// TODO: Set an error to display to the user.
QLOG_ERROR() << "Server didn't specify the same selected profile as ours.";
return false;
changeState(STATE_FAILED_HARD, tr("Authentication server didn't specify the same prefile as expected."));
return;
}
// this is what the vanilla launcher passes to the userProperties launch param
@ -130,7 +124,7 @@ bool RefreshTask::processResponse(QJsonObject responseData)
QLOG_DEBUG() << "Finished reading refresh response.";
// Reset the access token.
m_account->m_accessToken = accessToken;
return true;
changeState(STATE_SUCCEEDED);
}
QString RefreshTask::getEndpoint() const
@ -138,15 +132,15 @@ QString RefreshTask::getEndpoint() const
return "refresh";
}
QString RefreshTask::getStateMessage(const YggdrasilTask::State state) const
QString RefreshTask::getStateMessage() const
{
switch (state)
switch (m_state)
{
case STATE_SENDING_REQUEST:
return tr("Refreshing login token...");
case STATE_PROCESSING_RESPONSE:
return tr("Refreshing login token: Processing response...");
default:
return YggdrasilTask::getStateMessage(state);
return YggdrasilTask::getStateMessage();
}
}

8
logic/auth/flows/RefreshTask.h
View File

@ -33,12 +33,12 @@ public:
RefreshTask(MojangAccount * account);
protected:
virtual QJsonObject getRequestContent() const;
virtual QJsonObject getRequestContent() const override;
virtual QString getEndpoint() const;
virtual QString getEndpoint() const override;
virtual bool processResponse(QJsonObject responseData);
virtual void processResponse(QJsonObject responseData) override;
QString getStateMessage(const YggdrasilTask::State state) const;
virtual QString getStateMessage() const override;
};

15
logic/auth/flows/ValidateTask.cpp
View File

@ -38,11 +38,10 @@ QJsonObject ValidateTask::getRequestContent() const
return req;
}
bool ValidateTask::processResponse(QJsonObject responseData)
void ValidateTask::processResponse(QJsonObject responseData)
{
// Assume that if processError wasn't called, then the request was successful.
emitSucceeded();
return true;
changeState(YggdrasilTask::STATE_SUCCEEDED);
}
QString ValidateTask::getEndpoint() const
@ -50,15 +49,15 @@ QString ValidateTask::getEndpoint() const
return "validate";
}
QString ValidateTask::getStateMessage(const YggdrasilTask::State state) const
QString ValidateTask::getStateMessage() const
{
switch (state)
switch (m_state)
{
case STATE_SENDING_REQUEST:
case YggdrasilTask::STATE_SENDING_REQUEST:
return tr("Validating access token: Sending request...");
case STATE_PROCESSING_RESPONSE:
case YggdrasilTask::STATE_PROCESSING_RESPONSE:
return tr("Validating access token: Processing response...");
default:
return YggdrasilTask::getStateMessage(state);
return YggdrasilTask::getStateMessage();
}
}

8
logic/auth/flows/ValidateTask.h
View File

@ -35,13 +35,13 @@ public:
ValidateTask(MojangAccount *account, QObject *parent = 0);
protected:
virtual QJsonObject getRequestContent() const;
virtual QJsonObject getRequestContent() const override;
virtual QString getEndpoint() const;
virtual QString getEndpoint() const override;
virtual bool processResponse(QJsonObject responseData);
virtual void processResponse(QJsonObject responseData) override;
QString getStateMessage(const YggdrasilTask::State state) const;
virtual QString getStateMessage() const override;
private:
};