Merge pull request #554 from PolyMC/more_paste_services

11 files changed, 499 insertions, 67 deletions

diff --git a/launcher/Application.cpp b/launcher/Application.cpp
index ce62c41a..91f5ef9d 100644
--- a/launcher/Application.cpp
+++ b/launcher/Application.cpp
@@ -2,6 +2,7 @@
 /*
  *  PolyMC - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2022 Lenny McLennington <lenny@sneed.church>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -36,6 +37,7 @@
 #include "Application.h"
 #include "BuildConfig.h"
 
+#include "net/PasteUpload.h"
 #include "ui/MainWindow.h"
 #include "ui/InstanceWindow.h"
 
@@ -61,6 +63,7 @@
 #include "ui/setupwizard/SetupWizard.h"
 #include "ui/setupwizard/LanguageWizardPage.h"
 #include "ui/setupwizard/JavaWizardPage.h"
+#include "ui/setupwizard/PasteWizardPage.h"
 
 #include "ui/dialogs/CustomMessageBox.h"
 
@@ -671,8 +674,31 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
 
         m_settings->registerSetting("UpdateDialogGeometry", "");
 
-        // pastebin URL
-        m_settings->registerSetting("PastebinURL", "https://0x0.st");
+        // HACK: This code feels so stupid is there a less stupid way of doing this?
+        {
+            m_settings->registerSetting("PastebinURL", "");
+            m_settings->registerSetting("PastebinType", PasteUpload::PasteType::Mclogs);
+            m_settings->registerSetting("PastebinCustomAPIBase", "");
+
+            QString pastebinURL = m_settings->get("PastebinURL").toString();
+
+            bool userHadDefaultPastebin = pastebinURL == "https://0x0.st";
+            if (!pastebinURL.isEmpty() && !userHadDefaultPastebin)
+            {
+                m_settings->set("PastebinType", PasteUpload::PasteType::NullPointer);
+                m_settings->set("PastebinCustomAPIBase", pastebinURL);
+                m_settings->reset("PastebinURL");
+            }
+
+            bool ok;
+            int pasteType = m_settings->get("PastebinType").toInt(&ok);
+            // If PastebinType is invalid then reset the related settings.
+            if (!ok || !(PasteUpload::PasteType::First <= pasteType && pasteType <= PasteUpload::PasteType::Last))
+            {
+                m_settings->reset("PastebinType");
+                m_settings->reset("PastebinCustomAPIBase");
+            }
+        }
 
         m_settings->registerSetting("CloseAfterLaunch", false);
         m_settings->registerSetting("QuitAfterGameStop", false);
@@ -899,7 +925,8 @@ bool Application::createSetupWizard()
             return true;
         return false;
     }();
-    bool wizardRequired = javaRequired || languageRequired;
+    bool pasteInterventionRequired = settings()->get("PastebinURL") != "";
+    bool wizardRequired = javaRequired || languageRequired || pasteInterventionRequired;
 
     if(wizardRequired)
     {
@@ -913,6 +940,11 @@ bool Application::createSetupWizard()
         {
             m_setupWizard->addPage(new JavaWizardPage(m_setupWizard));
         }
+
+        if (pasteInterventionRequired)
+        {
+            m_setupWizard->addPage(new PasteWizardPage(m_setupWizard));
+        }
         connect(m_setupWizard, &QDialog::finished, this, &Application::setupWizardFinished);
         m_setupWizard->show();
         return true;
diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index 8e75be20..15534c71 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -661,6 +661,8 @@ SET(LAUNCHER_SOURCES
     ui/setupwizard/JavaWizardPage.h
     ui/setupwizard/LanguageWizardPage.cpp
     ui/setupwizard/LanguageWizardPage.h
+    ui/setupwizard/PasteWizardPage.cpp
+    ui/setupwizard/PasteWizardPage.h
 
     # GUI - themes
     ui/themes/FusionTheme.cpp
@@ -890,6 +892,7 @@ SET(LAUNCHER_SOURCES
 )
 
 qt5_wrap_ui(LAUNCHER_UI
+    ui/setupwizard/PasteWizardPage.ui
     ui/pages/global/AccountListPage.ui
     ui/pages/global/JavaPage.ui
     ui/pages/global/LauncherPage.ui
diff --git a/launcher/net/PasteUpload.cpp b/launcher/net/PasteUpload.cpp
index 3d106c92..3855190a 100644
--- a/launcher/net/PasteUpload.cpp
+++ b/launcher/net/PasteUpload.cpp
@@ -1,6 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
  *  PolyMC - Minecraft Launcher
+ *  Copyright (C) 2022 Lenny McLennington <lenny@sneed.church>
+ *  Copyright (C) 2022 Swirl <swurl@swurl.xyz>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -42,8 +44,22 @@
 #include <QJsonDocument>
 #include <QFile>
 
-PasteUpload::PasteUpload(QWidget *window, QString text, QString url) : m_window(window), m_uploadUrl(url), m_text(text.toUtf8())
+std::array<PasteUpload::PasteTypeInfo, 4> PasteUpload::PasteTypes = {
+    {{"0x0.st", "https://0x0.st", ""},
+     {"hastebin", "https://hst.sh", "/documents"},
+     {"paste.gg", "https://paste.gg", "/api/v1/pastes"},
+     {"mclo.gs", "https://api.mclo.gs", "/1/log"}}};
+
+PasteUpload::PasteUpload(QWidget *window, QString text, QString baseUrl, PasteType pasteType) : m_window(window), m_baseUrl(baseUrl), m_pasteType(pasteType), m_text(text.toUtf8())
 {
+    if (m_baseUrl == "")
+        m_baseUrl = PasteTypes.at(pasteType).defaultBase;
+
+    // HACK: Paste's docs say the standard API path is at /api/<version> but the official instance paste.gg doesn't follow that??
+    if (pasteType == PasteGG && m_baseUrl == PasteTypes.at(pasteType).defaultBase)
+        m_uploadUrl = "https://api.paste.gg/v1/pastes";
+    else
+        m_uploadUrl = m_baseUrl + PasteTypes.at(pasteType).endpointPath;
 }
 
 PasteUpload::~PasteUpload()
@@ -53,26 +69,73 @@ PasteUpload::~PasteUpload()
 void PasteUpload::executeTask()
 {
     QNetworkRequest request{QUrl(m_uploadUrl)};
+    QNetworkReply *rep{};
+
     request.setHeader(QNetworkRequest::UserAgentHeader, BuildConfig.USER_AGENT_UNCACHED);
 
-    QHttpMultiPart *multiPart = new QHttpMultiPart{QHttpMultiPart::FormDataType};
+    switch (m_pasteType) {
+    case NullPointer: {
+        QHttpMultiPart *multiPart =
+          new QHttpMultiPart{QHttpMultiPart::FormDataType};
 
-    QHttpPart filePart;
-    filePart.setBody(m_text);
-    filePart.setHeader(QNetworkRequest::ContentTypeHeader, "text/plain");
-    filePart.setHeader(QNetworkRequest::ContentDispositionHeader, "form-data; name=\"file\"; filename=\"log.txt\"");
+        QHttpPart filePart;
+        filePart.setBody(m_text);
+        filePart.setHeader(QNetworkRequest::ContentTypeHeader, "text/plain");
+        filePart.setHeader(QNetworkRequest::ContentDispositionHeader,
+                         "form-data; name=\"file\"; filename=\"log.txt\"");
+        multiPart->append(filePart);
 
-    multiPart->append(filePart);
+        rep = APPLICATION->network()->post(request, multiPart);
+        multiPart->setParent(rep);
 
-    QNetworkReply *rep = APPLICATION->network()->post(request, multiPart);
-    multiPart->setParent(rep);
+        break;
+    }
+    case Hastebin: {
+        request.setHeader(QNetworkRequest::UserAgentHeader, BuildConfig.USER_AGENT_UNCACHED);
+        rep = APPLICATION->network()->post(request, m_text);
+        break;
+    }
+    case Mclogs: {
+        QUrlQuery postData;
+        postData.addQueryItem("content", m_text);
+        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
+        rep = APPLICATION->network()->post(request, postData.toString().toUtf8());
+        break;
+    }
+    case PasteGG: {
+        QJsonObject obj;
+        QJsonDocument doc;
+        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    m_reply = std::shared_ptr<QNetworkReply>(rep);
-    setStatus(tr("Uploading to %1").arg(m_uploadUrl));
+        obj.insert("expires", QDateTime::currentDateTimeUtc().addDays(100).toString(Qt::DateFormat::ISODate));
+
+        QJsonArray files;
+        QJsonObject logFileInfo;
+        QJsonObject logFileContentInfo;
+        logFileContentInfo.insert("format", "text");
+        logFileContentInfo.insert("value", QString::fromUtf8(m_text));
+        logFileInfo.insert("name", "log.txt");
+        logFileInfo.insert("content", logFileContentInfo);
+        files.append(logFileInfo);
+
+        obj.insert("files", files);
+
+        doc.setObject(obj);
+        rep = APPLICATION->network()->post(request, doc.toJson());
+        break;
+    }
+    }
 
     connect(rep, &QNetworkReply::uploadProgress, this, &Task::setProgress);
-    connect(rep, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(downloadError(QNetworkReply::NetworkError)));
-    connect(rep, SIGNAL(finished()), this, SLOT(downloadFinished()));
+    connect(rep, &QNetworkReply::finished, this, &PasteUpload::downloadFinished);
+    // This function call would be a lot shorter if we were using the latest Qt
+    connect(rep,
+            static_cast<void (QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
+            this, &PasteUpload::downloadError);
+
+    m_reply = std::shared_ptr<QNetworkReply>(rep);
+
+    setStatus(tr("Uploading to %1").arg(m_uploadUrl));
 }
 
 void PasteUpload::downloadError(QNetworkReply::NetworkError error)
@@ -102,6 +165,82 @@ void PasteUpload::downloadFinished()
         return;
     }
 
-    m_pasteLink = QString::fromUtf8(data).trimmed();
+    switch (m_pasteType)
+    {
+    case NullPointer:
+        m_pasteLink = QString::fromUtf8(data).trimmed();
+        break;
+    case Hastebin: {
+        QJsonDocument jsonDoc{QJsonDocument::fromJson(data)};
+        QJsonObject jsonObj{jsonDoc.object()};
+        if (jsonObj.contains("key") && jsonObj["key"].isString())
+        {
+            QString key = jsonDoc.object()["key"].toString();
+            m_pasteLink = m_baseUrl + "/" + key;
+        }
+        else
+        {
+            emitFailed(tr("Error: %1 returned a malformed response body").arg(m_uploadUrl));
+            qCritical() << m_uploadUrl << " returned malformed response body: " << data;
+            return;
+        }
+        break;
+    }
+    case Mclogs: {
+        QJsonDocument jsonDoc{QJsonDocument::fromJson(data)};
+        QJsonObject jsonObj{jsonDoc.object()};
+        if (jsonObj.contains("success") && jsonObj["success"].isBool())
+        {
+            bool success = jsonObj["success"].toBool();
+            if (success)
+            {
+                m_pasteLink = jsonObj["url"].toString();
+            }
+            else
+            {
+                QString error = jsonObj["error"].toString();
+                emitFailed(tr("Error: %1 returned an error: %2").arg(m_uploadUrl, error));
+                qCritical() << m_uploadUrl << " returned error: " << error;
+                qCritical() << "Response body: " << data;
+                return;
+            }
+        }
+        else
+        {
+            emitFailed(tr("Error: %1 returned a malformed response body").arg(m_uploadUrl));
+            qCritical() << m_uploadUrl << " returned malformed response body: " << data;
+            return;
+        }
+        break;
+    }
+    case PasteGG:
+        QJsonDocument jsonDoc{QJsonDocument::fromJson(data)};
+        QJsonObject jsonObj{jsonDoc.object()};
+        if (jsonObj.contains("status") && jsonObj["status"].isString())
+        {
+            QString status = jsonObj["status"].toString();
+            if (status == "success")
+            {
+                m_pasteLink = m_baseUrl + "/p/anonymous/" + jsonObj["result"].toObject()["id"].toString();
+            }
+            else
+            {
+                QString error = jsonObj["error"].toString();
+                QString message = (jsonObj.contains("message") && jsonObj["message"].isString()) ? jsonObj["message"].toString() : "none";
+                emitFailed(tr("Error: %1 returned an error code: %2\nError message: %3").arg(m_uploadUrl, error, message));
+                qCritical() << m_uploadUrl << " returned error: " << error;
+                qCritical() << "Error message: " << message;
+                qCritical() << "Response body: " << data;
+                return;
+            }
+        }
+        else
+        {
+            emitFailed(tr("Error: %1 returned a malformed response body").arg(m_uploadUrl));
+            qCritical() << m_uploadUrl << " returned malformed response body: " << data;
+            return;
+        }
+        break;
+    }
     emitSucceeded();
 }
diff --git a/launcher/net/PasteUpload.h b/launcher/net/PasteUpload.h
index ea3a06d3..eb315c2b 100644
--- a/launcher/net/PasteUpload.h
+++ b/launcher/net/PasteUpload.h
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
  *  PolyMC - Minecraft Launcher
+ *  Copyright (C) 2022 Lenny McLennington <lenny@sneed.church>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -36,14 +37,38 @@
 
 #include "tasks/Task.h"
 #include <QNetworkReply>
+#include <QString>
 #include <QBuffer>
 #include <memory>
+#include <array>
 
 class PasteUpload : public Task
 {
     Q_OBJECT
 public:
-    PasteUpload(QWidget *window, QString text, QString url);
+    enum PasteType : int {
+        // 0x0.st
+        NullPointer,
+        // hastebin.com
+        Hastebin,
+        // paste.gg
+        PasteGG,
+        // mclo.gs
+        Mclogs,
+        // Helpful to get the range of valid values on the enum for input sanitisation:
+        First = NullPointer,
+        Last = Mclogs
+    };
+
+    struct PasteTypeInfo {
+        const QString name;
+        const QString defaultBase;
+        const QString endpointPath;
+    };
+
+    static std::array<PasteTypeInfo, 4> PasteTypes;
+
+    PasteUpload(QWidget *window, QString text, QString url, PasteType pasteType);
     virtual ~PasteUpload();
 
     QString pasteLink()
@@ -56,7 +81,9 @@ protected:
 private:
     QWidget *m_window;
     QString m_pasteLink;
+    QString m_baseUrl;
     QString m_uploadUrl;
+    PasteType m_pasteType;
     QByteArray m_text;
     std::shared_ptr<QNetworkReply> m_reply;
 public
diff --git a/launcher/ui/GuiUtil.cpp b/launcher/ui/GuiUtil.cpp
index 9eb658e2..320f1502 100644
--- a/launcher/ui/GuiUtil.cpp
+++ b/launcher/ui/GuiUtil.cpp
@@ -1,3 +1,38 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (C) 2022 Lenny McLennington <lenny@sneed.church>
+ *
+ *  This program 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, version 3.
+ *
+ *  This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 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 "GuiUtil.h"
 
 #include <QClipboard>
@@ -16,8 +51,9 @@
 QString GuiUtil::uploadPaste(const QString &text, QWidget *parentWidget)
 {
     ProgressDialog dialog(parentWidget);
-    auto pasteUrlSetting = APPLICATION->settings()->get("PastebinURL").toString();
-    std::unique_ptr<PasteUpload> paste(new PasteUpload(parentWidget, text, pasteUrlSetting));
+    auto pasteTypeSetting = static_cast<PasteUpload::PasteType>(APPLICATION->settings()->get("PastebinType").toInt());
+    auto pasteCustomAPIBaseSetting = APPLICATION->settings()->get("PastebinCustomAPIBase").toString();
+    std::unique_ptr<PasteUpload> paste(new PasteUpload(parentWidget, text, pasteCustomAPIBaseSetting, pasteTypeSetting));
 
     dialog.execWithTask(paste.get());
     if (!paste->wasSuccessful())
diff --git a/launcher/ui/pages/global/APIPage.cpp b/launcher/ui/pages/global/APIPage.cpp
index 8b806bcf..2841544f 100644
--- a/launcher/ui/pages/global/APIPage.cpp
+++ b/launcher/ui/pages/global/APIPage.cpp
@@ -3,6 +3,7 @@
  *  PolyMC - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
  *  Copyright (c) 2022 Jamie Mansfield <jmansfield@cadixdev.org>
+ *  Copyright (c) 2022 Lenny McLennington <lenny@sneed.church>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -46,16 +47,40 @@
 #include "settings/SettingsObject.h"
 #include "tools/BaseProfiler.h"
 #include "Application.h"
+#include "net/PasteUpload.h"
 
 APIPage::APIPage(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::APIPage)
 {
+    // This is here so you can reorder the entries in the combobox without messing stuff up
+    int comboBoxEntries[] = {
+        PasteUpload::PasteType::Mclogs,
+        PasteUpload::PasteType::NullPointer,
+        PasteUpload::PasteType::PasteGG,
+        PasteUpload::PasteType::Hastebin
+    };
+
     static QRegularExpression validUrlRegExp("https?://.+");
+
     ui->setupUi(this);
-    ui->urlChoices->setValidator(new QRegularExpressionValidator(validUrlRegExp, ui->urlChoices));
-    ui->tabWidget->tabBar()->hide();\
+
+    for (auto pasteType : comboBoxEntries) {
+        ui->pasteTypeComboBox->addItem(PasteUpload::PasteTypes.at(pasteType).name, pasteType);
+    }
+
+    void (QComboBox::*currentIndexChangedSignal)(int) (&QComboBox::currentIndexChanged);
+    connect(ui->pasteTypeComboBox, currentIndexChangedSignal, this, &APIPage::updateBaseURLPlaceholder);
+    // This function needs to be called even when the ComboBox's index is still in its default state.
+    updateBaseURLPlaceholder(ui->pasteTypeComboBox->currentIndex());
+    ui->baseURLEntry->setValidator(new QRegularExpressionValidator(validUrlRegExp, ui->baseURLEntry));
+    ui->tabWidget->tabBar()->hide();
+
     loadSettings();
+
+    resetBaseURLNote();
+    connect(ui->pasteTypeComboBox, currentIndexChangedSignal, this, &APIPage::updateBaseURLNote);
+    connect(ui->baseURLEntry, &QLineEdit::textEdited, this, &APIPage::resetBaseURLNote);
 }
 
 APIPage::~APIPage()
@@ -63,11 +88,48 @@ APIPage::~APIPage()
     delete ui;
 }
 
+void APIPage::resetBaseURLNote()
+{
+    ui->baseURLNote->hide();
+    baseURLPasteType = ui->pasteTypeComboBox->currentIndex();
+}
+
+void APIPage::updateBaseURLNote(int index)
+{
+    if (baseURLPasteType == index)
+    {
+        ui->baseURLNote->hide();
+    }
+    else if (!ui->baseURLEntry->text().isEmpty())
+    {
+        ui->baseURLNote->show();
+    }
+}
+
+void APIPage::updateBaseURLPlaceholder(int index)
+{
+    int pasteType = ui->pasteTypeComboBox->itemData(index).toInt();
+    QString pasteDefaultURL = PasteUpload::PasteTypes.at(pasteType).defaultBase;
+    ui->baseURLEntry->setPlaceholderText(pasteDefaultURL);
+}
+
 void APIPage::loadSettings()
 {
     auto s = APPLICATION->settings();
-    QString pastebinURL = s->get("PastebinURL").toString();
-    ui->urlChoices->setCurrentText(pastebinURL);
+
+    int pasteType = s->get("PastebinType").toInt();
+    QString pastebinURL = s->get("PastebinCustomAPIBase").toString();
+
+    ui->baseURLEntry->setText(pastebinURL);
+    int pasteTypeIndex = ui->pasteTypeComboBox->findData(pasteType);
+    if (pasteTypeIndex == -1)
+    {
+        pasteTypeIndex = ui->pasteTypeComboBox->findData(PasteUpload::PasteType::Mclogs);
+        ui->baseURLEntry->clear();
+    }
+
+    ui->pasteTypeComboBox->setCurrentIndex(pasteTypeIndex);
+
     QString msaClientID = s->get("MSAClientIDOverride").toString();
     ui->msaClientID->setText(msaClientID);
     QString curseKey = s->get("CFKeyOverride").toString();
@@ -77,8 +139,10 @@ void APIPage::loadSettings()
 void APIPage::applySettings()
 {
     auto s = APPLICATION->settings();
-    QString pastebinURL = ui->urlChoices->currentText();
-    s->set("PastebinURL", pastebinURL);
+
+    s->set("PastebinType", ui->pasteTypeComboBox->currentData().toInt());
+    s->set("PastebinCustomAPIBase", ui->baseURLEntry->text());
+
     QString msaClientID = ui->msaClientID->text();
     s->set("MSAClientIDOverride", msaClientID);
     QString curseKey = ui->curseKey->text();
diff --git a/launcher/ui/pages/global/APIPage.h b/launcher/ui/pages/global/APIPage.h
index 20356009..17e62ae7 100644
--- a/launcher/ui/pages/global/APIPage.h
+++ b/launcher/ui/pages/global/APIPage.h
@@ -3,6 +3,7 @@
  *  PolyMC - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
  *  Copyright (c) 2022 Jamie Mansfield <jmansfield@cadixdev.org>
+ *  Copyright (c) 2022 Lenny McLennington <lenny@sneed.church>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -73,6 +74,10 @@ public:
     void retranslate() override;
 
 private:
+    int baseURLPasteType;
+    void resetBaseURLNote();
+    void updateBaseURLNote(int index);
+    void updateBaseURLPlaceholder(int index);
     void loadSettings();
     void applySettings();
 
diff --git a/launcher/ui/pages/global/APIPage.ui b/launcher/ui/pages/global/APIPage.ui
index eaa44c88..b6af1958 100644
--- a/launcher/ui/pages/global/APIPage.ui
+++ b/launcher/ui/pages/global/APIPage.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>603</width>
-    <height>530</height>
+    <width>512</width>
+    <height>538</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
@@ -36,60 +36,44 @@
        <item>
         <widget class="QGroupBox" name="groupBox_paste">
          <property name="title">
-          <string>&amp;Pastebin URL</string>
+          <string>Pastebin Service</string>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_3">
           <item>
-           <widget class="Line" name="line">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
+           <widget class="QLabel" name="pasteServiceTypeLabel">
+            <property name="text">
+             <string>Paste Service Type</string>
             </property>
            </widget>
           </item>
           <item>
-           <widget class="QLabel" name="label_2">
-            <property name="font">
-             <font>
-              <pointsize>10</pointsize>
-             </font>
-            </property>
+           <widget class="QComboBox" name="pasteTypeComboBox"/>
+          </item>
+          <item>
+           <widget class="QLabel" name="baseURLLabel">
             <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Note: only input that starts with &lt;span style=&quot; font-weight:600;&quot;&gt;http://&lt;/span&gt; or &lt;span style=&quot; font-weight:600;&quot;&gt;https://&lt;/span&gt; will be accepted.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-            </property>
-            <property name="scaledContents">
-             <bool>false</bool>
+             <string>Base URL</string>
             </property>
            </widget>
           </item>
           <item>
-           <widget class="QComboBox" name="urlChoices">
-            <property name="editable">
-             <bool>true</bool>
+           <widget class="QLineEdit" name="baseURLEntry">
+            <property name="placeholderText">
+             <string/>
             </property>
-            <property name="insertPolicy">
-             <enum>QComboBox::NoInsert</enum>
+            <property name="clearButtonEnabled">
+             <bool>true</bool>
             </property>
-            <item>
-             <property name="text">
-              <string notr="true">https://0x0.st</string>
-             </property>
-            </item>
            </widget>
           </item>
           <item>
-           <widget class="QLabel" name="label">
+           <widget class="QLabel" name="baseURLNote">
             <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Here you can choose from a predefined list of paste services, or input the URL of a different paste service of your choice, provided it supports the same protocol as 0x0.st, that is POST a file parameter to the URL and return a link in the response body.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-            </property>
-            <property name="textFormat">
-             <enum>Qt::RichText</enum>
+             <string>Note: you probably want to change or clear the Base URL after changing the paste service type.</string>
             </property>
             <property name="wordWrap">
              <bool>true</bool>
             </property>
-            <property name="openExternalLinks">
-             <bool>true</bool>
-            </property>
            </widget>
           </item>
          </layout>
@@ -102,13 +86,6 @@
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_4">
           <item>
-           <widget class="Line" name="line_2">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
-          <item>
            <widget class="QLabel" name="label_3">
             <property name="text">
              <string>Note: you probably don't need to set this if logging in via Microsoft Authentication already works.</string>
diff --git a/launcher/ui/setupwizard/PasteWizardPage.cpp b/launcher/ui/setupwizard/PasteWizardPage.cpp
new file mode 100644
index 00000000..0f47da4b
--- /dev/null
+++ b/launcher/ui/setupwizard/PasteWizardPage.cpp
@@ -0,0 +1,42 @@
+#include "PasteWizardPage.h"
+#include "ui_PasteWizardPage.h"
+
+#include "Application.h"
+#include "net/PasteUpload.h"
+
+PasteWizardPage::PasteWizardPage(QWidget *parent) :
+    BaseWizardPage(parent),
+    ui(new Ui::PasteWizardPage)
+{
+    ui->setupUi(this);
+}
+
+PasteWizardPage::~PasteWizardPage()
+{
+    delete ui;
+}
+
+void PasteWizardPage::initializePage()
+{
+}
+
+bool PasteWizardPage::validatePage()
+{
+    auto s = APPLICATION->settings();
+    QString prevPasteURL = s->get("PastebinURL").toString();
+    s->reset("PastebinURL");
+    if (ui->previousSettingsRadioButton->isChecked())
+    {
+        bool usingDefaultBase = prevPasteURL == PasteUpload::PasteTypes.at(PasteUpload::PasteType::NullPointer).defaultBase;
+        s->set("PastebinType", PasteUpload::PasteType::NullPointer);
+        if (!usingDefaultBase)
+            s->set("PastebinCustomAPIBase", prevPasteURL);
+    }
+
+    return true;
+}
+
+void PasteWizardPage::retranslate()
+{
+    ui->retranslateUi(this);
+}
diff --git a/launcher/ui/setupwizard/PasteWizardPage.h b/launcher/ui/setupwizard/PasteWizardPage.h
new file mode 100644
index 00000000..513a14cb
--- /dev/null
+++ b/launcher/ui/setupwizard/PasteWizardPage.h
@@ -0,0 +1,27 @@
+#ifndef PASTEDEFAULTSCONFIRMATIONWIZARD_H
+#define PASTEDEFAULTSCONFIRMATIONWIZARD_H
+
+#include <QWidget>
+#include "BaseWizardPage.h"
+
+namespace Ui {
+class PasteWizardPage;
+}
+
+class PasteWizardPage : public BaseWizardPage
+{
+    Q_OBJECT
+
+public:
+    explicit PasteWizardPage(QWidget *parent = nullptr);
+    ~PasteWizardPage();
+
+    void initializePage() override;
+    bool validatePage() override;
+    void retranslate() override;
+
+private:
+    Ui::PasteWizardPage *ui;
+};
+
+#endif // PASTEDEFAULTSCONFIRMATIONWIZARD_H
diff --git a/launcher/ui/setupwizard/PasteWizardPage.ui b/launcher/ui/setupwizard/PasteWizardPage.ui
new file mode 100644
index 00000000..247d3a75
--- /dev/null
+++ b/launcher/ui/setupwizard/PasteWizardPage.ui
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PasteWizardPage</class>
+ <widget class="QWidget" name="PasteWizardPage">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>The default paste service has changed to mclo.gs, please choose what you want to do with your settings.</string>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QRadioButton" name="defaultSettingsRadioButton">
+     <property name="text">
+      <string>Use new default service</string>
+     </property>
+     <property name="checked">
+      <bool>true</bool>
+     </property>
+     <attribute name="buttonGroup">
+      <string notr="true">buttonGroup</string>
+     </attribute>
+    </widget>
+   </item>
+   <item>
+    <widget class="QRadioButton" name="previousSettingsRadioButton">
+     <property name="text">
+      <string>Keep previous settings</string>
+     </property>
+     <property name="checked">
+      <bool>false</bool>
+     </property>
+     <attribute name="buttonGroup">
+      <string notr="true">buttonGroup</string>
+     </attribute>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>156</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+ <buttongroups>
+  <buttongroup name="buttonGroup"/>
+ </buttongroups>
+</ui>