1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/* Copyright 2013 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <logic/auth/YggdrasilTask.h>
#include <QObject>
#include <QString>
#include <QJsonObject>
#include <QJsonDocument>
#include <QNetworkReply>
#include <QByteArray>
#include <MultiMC.h>
#include <logic/auth/MojangAccount.h>
YggdrasilTask::YggdrasilTask(MojangAccount *account, QObject *parent)
: Task(parent), m_account(account)
{
}
void YggdrasilTask::executeTask()
{
setStatus(getStateMessage(STATE_SENDING_REQUEST));
// Get the content of the request we're going to send to the server.
QJsonDocument doc(getRequestContent());
auto worker = MMC->qnam();
QUrl reqUrl("https://authserver.mojang.com/" + getEndpoint());
QNetworkRequest netRequest(reqUrl);
netRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
QByteArray requestData = doc.toJson();
m_netReply = worker->post(netRequest, requestData);
connect(m_netReply, &QNetworkReply::finished, this, &YggdrasilTask::processReply);
connect(m_netReply, &QNetworkReply::uploadProgress, this, &YggdrasilTask::refreshTimers);
connect(m_netReply, &QNetworkReply::downloadProgress, this, &YggdrasilTask::refreshTimers);
timeout_keeper.setSingleShot(true);
timeout_keeper.start(timeout_max);
counter.setSingleShot(false);
counter.start(time_step);
progress(0, timeout_max);
connect(&timeout_keeper, &QTimer::timeout, this, &YggdrasilTask::abort);
connect(&counter, &QTimer::timeout, this, &YggdrasilTask::heartbeat);
}
void YggdrasilTask::refreshTimers(qint64, qint64)
{
timeout_keeper.stop();
timeout_keeper.start(timeout_max);
progress(count = 0, timeout_max);
}
void YggdrasilTask::heartbeat()
{
count += time_step;
progress(count, timeout_max);
}
void YggdrasilTask::abort()
{
progress(timeout_max, timeout_max);
m_netReply->abort();
}
void YggdrasilTask::processReply()
{
setStatus(getStateMessage(STATE_PROCESSING_RESPONSE));
if (m_netReply->error() == QNetworkReply::OperationCanceledError)
{
// WARNING/FIXME: the value here is used in MojangAccount to detect the cancel/timeout
emitFailed("Yggdrasil task cancelled.");
return;
}
// Try to parse the response regardless of the response code.
// Sometimes the auth server will give more information and an error code.
QJsonParseError jsonError;
QByteArray replyData = m_netReply->readAll();
QJsonDocument doc = QJsonDocument::fromJson(replyData, &jsonError);
// Check the response code.
int responseCode = m_netReply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
if (responseCode == 200)
{
// If the response code was 200, then there shouldn't be an error. Make sure
// anyways.
// Also, sometimes an empty reply indicates success. If there was no data received,
// 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();
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.")
.arg(jsonError.errorString())
.arg(jsonError.offset));
}
return;
}
// If the response code was not 200, then Yggdrasil may have given us information
// about the error.
// If we can parse the response, then get information from it. Otherwise just say
// there was an unknown error.
if (jsonError.error == QJsonParseError::NoError)
{
// We were able to parse the server's response. Woo!
// Call processError. If a subclass has overridden it then they'll handle their
// stuff there.
QLOG_DEBUG() << "The request failed, but the server gave us an error message. "
"Processing error.";
emitFailed(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 "
"authentication server: %1").arg(m_netReply->errorString()));
}
}
QString YggdrasilTask::processError(QJsonObject responseData)
{
QJsonValue errorVal = responseData.value("error");
QJsonValue errorMessageValue = responseData.value("errorMessage");
QJsonValue causeVal = responseData.value("cause");
if (errorVal.isString() && errorMessageValue.isString())
{
m_error = std::shared_ptr<Error>(new Error{
errorVal.toString(""), errorMessageValue.toString(""), causeVal.toString("")});
return 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.");
}
}
QString YggdrasilTask::getStateMessage(const YggdrasilTask::State state) const
{
switch (state)
{
case STATE_SENDING_REQUEST:
return tr("Sending request to auth servers.");
case STATE_PROCESSING_RESPONSE:
return tr("Processing response from servers.");
default:
return tr("Processing. Please wait.");
}
}
|
