From 0eff21a4f1ee97e4b0a484c608eac9617897446d Mon Sep 17 00:00:00 2001
From: Lenny McLennington <lennymclennington@protonmail.com>
Date: Wed, 26 Jan 2022 00:31:08 +0000
Subject: [PATCH] Validate Pastebin URL with regex

---
 launcher/ui/pages/global/PastePage.cpp |  2 ++
 launcher/ui/pages/global/PastePage.ui  | 19 +++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/launcher/ui/pages/global/PastePage.cpp b/launcher/ui/pages/global/PastePage.cpp
index 0965da77..7c69e1a4 100644
--- a/launcher/ui/pages/global/PastePage.cpp
+++ b/launcher/ui/pages/global/PastePage.cpp
@@ -30,7 +30,9 @@ PastePage::PastePage(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::PastePage)
 {
+    static QRegularExpression validUrlRegExp("https?://.+");
     ui->setupUi(this);
+    ui->urlChoices->setValidator(new QRegularExpressionValidator(validUrlRegExp, ui->urlChoices));
     ui->tabWidget->tabBar()->hide();\
     loadSettings();
 }
diff --git a/launcher/ui/pages/global/PastePage.ui b/launcher/ui/pages/global/PastePage.ui
index fe372540..2d13a765 100644
--- a/launcher/ui/pages/global/PastePage.ui
+++ b/launcher/ui/pages/global/PastePage.ui
@@ -38,7 +38,7 @@
          <property name="title">
           <string>Pastebin URL</string>
          </property>
-         <layout class="QVBoxLayout" name="verticalLayout_10">
+         <layout class="QVBoxLayout" name="verticalLayout_3">
           <item>
            <widget class="Line" name="line">
             <property name="orientation">
@@ -46,6 +46,21 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QLabel" name="label_2">
+            <property name="font">
+             <font>
+              <pointsize>10</pointsize>
+             </font>
+            </property>
+            <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>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QComboBox" name="urlChoices">
             <property name="editable">
@@ -69,7 +84,7 @@
           <item>
            <widget class="QLabel" name="label">
             <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Here you can choose from a predefined list, or input the URL of a different paste service, provided that it supports the same protocol as 0x0.st, that is POST a file to the URL and return a link in the response body.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             <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>