From f00dbdc215c2de3b6906d8182388c27bbc657e24 Mon Sep 17 00:00:00 2001
From: dada513 <dada513@protonmail.com>
Date: Wed, 13 Apr 2022 23:00:32 +0200
Subject: [PATCH 1/3] Make Metaserver changable in settings

Co-authored-by: Sefa Eyeoglu <contact@scrumplex.net>
Co-authored-by: flow <flowlnlnln@gmail.com>
---
 launcher/Application.cpp             |  2 +
 launcher/meta/BaseEntity.cpp         | 11 +++-
 launcher/ui/pages/global/APIPage.cpp | 10 ++++
 launcher/ui/pages/global/APIPage.ui  | 75 +++++++++++++++++++++++++---
 4 files changed, 89 insertions(+), 9 deletions(-)

diff --git a/launcher/Application.cpp b/launcher/Application.cpp
index 91f5ef9d..ba4096b6 100644
--- a/launcher/Application.cpp
+++ b/launcher/Application.cpp
@@ -699,6 +699,8 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
                 m_settings->reset("PastebinCustomAPIBase");
             }
         }
+        // meta URL
+        m_settings->registerSetting("MetaURLOverride", "");
 
         m_settings->registerSetting("CloseAfterLaunch", false);
         m_settings->registerSetting("QuitAfterGameStop", false);
diff --git a/launcher/meta/BaseEntity.cpp b/launcher/meta/BaseEntity.cpp
index 84155922..de4e1012 100644
--- a/launcher/meta/BaseEntity.cpp
+++ b/launcher/meta/BaseEntity.cpp
@@ -75,7 +75,16 @@ Meta::BaseEntity::~BaseEntity()
 
 QUrl Meta::BaseEntity::url() const
 {
-    return QUrl(BuildConfig.META_URL).resolved(localFilename());
+    auto s = APPLICATION->settings();
+    QString metaOverride = s->get("MetaURLOverride").toString();
+    if(metaOverride.isEmpty())
+    {
+        return QUrl(BuildConfig.META_URL).resolved(localFilename());
+    }
+    else
+    {
+        return QUrl(metaOverride).resolved(localFilename());
+    }
 }
 
 bool Meta::BaseEntity::loadLocalFile()
diff --git a/launcher/ui/pages/global/APIPage.cpp b/launcher/ui/pages/global/APIPage.cpp
index 2841544f..af58b8cd 100644
--- a/launcher/ui/pages/global/APIPage.cpp
+++ b/launcher/ui/pages/global/APIPage.cpp
@@ -132,6 +132,8 @@ void APIPage::loadSettings()
 
     QString msaClientID = s->get("MSAClientIDOverride").toString();
     ui->msaClientID->setText(msaClientID);
+    QString metaURL = s->get("MetaURLOverride").toString();
+    ui->metaURL->setText(metaURL);
     QString curseKey = s->get("CFKeyOverride").toString();
     ui->curseKey->setText(curseKey);
 }
@@ -145,6 +147,14 @@ void APIPage::applySettings()
 
     QString msaClientID = ui->msaClientID->text();
     s->set("MSAClientIDOverride", msaClientID);
+    QUrl metaURL = ui->metaURL->text();
+    // Don't allow HTTP, since meta is basically RCE with all the jar files.
+    if(!metaURL.isEmpty() && metaURL.scheme() == "http")
+    {
+        metaURL.setScheme("https");
+    }
+
+    s->set("MetaURLOverride", metaURL);
     QString curseKey = ui->curseKey->text();
     s->set("CFKeyOverride", curseKey);
 }
diff --git a/launcher/ui/pages/global/APIPage.ui b/launcher/ui/pages/global/APIPage.ui
index b6af1958..8d80df65 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>512</width>
-    <height>538</height>
+    <width>800</width>
+    <height>600</height>
    </rect>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
@@ -85,6 +85,13 @@
           <string>&amp;Microsoft Authentication</string>
          </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">
@@ -125,12 +132,9 @@
         </widget>
        </item>
        <item>
-        <widget class="QGroupBox" name="groupBox_curse">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
+        <widget class="QGroupBox" name="groupBox_meta">
          <property name="title">
-          <string>&amp;CurseForge Core API</string>
+          <string>Meta&amp;data Server</string>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_5">
           <item>
@@ -140,8 +144,63 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QLabel" name="label_5">
+            <property name="text">
+             <string>You can set this to a third-party metadata server to use patched libraries or other hacks.</string>
+            </property>
+            <property name="textFormat">
+             <enum>Qt::RichText</enum>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLineEdit" name="metaURL">
+            <property name="placeholderText">
+             <string>(Default)</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QLabel" name="label_6">
+            <property name="text">
+             <string>Enter a custom URL for meta here.</string>
+            </property>
+            <property name="textFormat">
+             <enum>Qt::RichText</enum>
+            </property>
+            <property name="wordWrap">
+             <bool>true</bool>
+            </property>
+            <property name="openExternalLinks">
+             <bool>true</bool>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item>
+        <widget class="QGroupBox" name="groupBox_curse">
+         <property name="enabled">
+          <bool>true</bool>
+         </property>
+         <property name="title">
+          <string>&amp;CurseForge Core API</string>
+         </property>
+         <layout class="QVBoxLayout" name="verticalLayout_6">
+          <item>
+           <widget class="Line" name="line_4">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QLabel" name="label_8">
             <property name="text">
              <string>Note: you probably don't need to set this if CurseForge already works.</string>
             </property>
@@ -158,7 +217,7 @@
            </widget>
           </item>
           <item>
-           <widget class="QLabel" name="label_5">
+           <widget class="QLabel" name="label_7">
             <property name="text">
              <string>Enter a custom API Key for CurseForge here. </string>
             </property>

From b181f4bc30f36778f9680eb54e6f3514739161e8 Mon Sep 17 00:00:00 2001
From: Sefa Eyeoglu <contact@scrumplex.net>
Date: Sun, 22 May 2022 13:41:44 +0200
Subject: [PATCH 2/3] fix: improve spacing in APIPage

---
 launcher/ui/pages/global/APIPage.ui | 34 +++++++++++------------------
 1 file changed, 13 insertions(+), 21 deletions(-)

diff --git a/launcher/ui/pages/global/APIPage.ui b/launcher/ui/pages/global/APIPage.ui
index 8d80df65..24189c5c 100644
--- a/launcher/ui/pages/global/APIPage.ui
+++ b/launcher/ui/pages/global/APIPage.ui
@@ -85,13 +85,6 @@
           <string>&amp;Microsoft Authentication</string>
          </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">
@@ -137,13 +130,6 @@
           <string>Meta&amp;data Server</string>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_5">
-          <item>
-           <widget class="Line" name="line_3">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
           <item>
            <widget class="QLabel" name="label_5">
             <property name="text">
@@ -192,13 +178,6 @@
           <string>&amp;CurseForge Core API</string>
          </property>
          <layout class="QVBoxLayout" name="verticalLayout_6">
-          <item>
-           <widget class="Line" name="line_4">
-            <property name="orientation">
-             <enum>Qt::Horizontal</enum>
-            </property>
-           </widget>
-          </item>
           <item>
            <widget class="QLabel" name="label_8">
             <property name="text">
@@ -235,6 +214,19 @@
          </layout>
         </widget>
        </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
       </layout>
      </widget>
     </widget>

From f2e205313485e458e2f5186f743d527d28609c5e Mon Sep 17 00:00:00 2001
From: Sefa Eyeoglu <contact@scrumplex.net>
Date: Sun, 22 May 2022 13:55:19 +0200
Subject: [PATCH 3/3] feat: add trailing slash to meta URL if it is missing

---
 launcher/ui/pages/global/APIPage.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/launcher/ui/pages/global/APIPage.cpp b/launcher/ui/pages/global/APIPage.cpp
index af58b8cd..6ad243dd 100644
--- a/launcher/ui/pages/global/APIPage.cpp
+++ b/launcher/ui/pages/global/APIPage.cpp
@@ -148,6 +148,13 @@ void APIPage::applySettings()
     QString msaClientID = ui->msaClientID->text();
     s->set("MSAClientIDOverride", msaClientID);
     QUrl metaURL = ui->metaURL->text();
+    // Add required trailing slash
+    if (!metaURL.isEmpty() && !metaURL.path().endsWith('/'))
+    {
+        QString path = metaURL.path();
+        path.append('/');
+        metaURL.setPath(path);
+    }
     // Don't allow HTTP, since meta is basically RCE with all the jar files.
     if(!metaURL.isEmpty() && metaURL.scheme() == "http")
     {