From 5dcdfa71953b24ac2cbfef9eb5ed008234537197 Mon Sep 17 00:00:00 2001
From: LoRd_MuldeR <mulder2@gmx.de>
Date: Tue, 29 Sep 2020 22:07:03 +0200
Subject: [PATCH] Make sure that the URL begins with a HTTP(S) prefix + updated
 README file.

---
 .gitignore    | 1 +
 README.md     | 2 ++
 res/common.rc | 8 ++++----
 src/head.c    | 4 +++-
 4 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index 4c7473d..6e46005 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+/*.html
 /bin
 /obj
diff --git a/README.md b/README.md
index f807644..5eb33f1 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,8 @@ Some options can be configured via the launcher executable's [STRINGTABLE](https
   The Java download URL that will ne suggested, if **no** suitable JRE could be detected on the machine.  
   If not specified, wes suggest downloading OpenJDK as provided by the [AdoptOpenJDK](https://adoptopenjdk.net/) project.
 
+  *Hint:* The URL must begin with a `http://` or `https://` prefix; otherwise the URL will be ignored!
+
   (This option only applies to the “registry” variant of Launch5j)
 
 *Note:* We use the convention that the default resource string value `"?"` is used to represent an “undefined” value, because resource strings cannot be empty. You can replace the default value as needed!
diff --git a/res/common.rc b/res/common.rc
index 0bf6cdc..9040139 100644
--- a/res/common.rc
+++ b/res/common.rc
@@ -49,8 +49,8 @@ END
 /////////////////////////////////////////////////////////////////////////////
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION    0,2,0,0
- PRODUCTVERSION 0,2,0,0
+ FILEVERSION    0,3,0,0
+ PRODUCTVERSION 0,3,0,0
  FILEFLAGSMASK 0x17L
 #ifdef _DEBUG
  FILEFLAGS 0x3L
@@ -67,8 +67,8 @@ BEGIN
         BEGIN
             VALUE "ProductName", "Launch5j"
             VALUE "FileDescription", "Launch5j"
-            VALUE "ProductVersion", "0.2.0"
-            VALUE "FileVersion", "0.2.0"
+            VALUE "ProductVersion", "0.3.0"
+            VALUE "FileVersion", "0.3.0"
             VALUE "InternalName", "Launch5j"
             VALUE "OriginalFilename", "launch5j.exe"
             VALUE "LegalCopyright", "Created by LoRd_MuldeR <MuldeR2@GMX.de>"
diff --git a/src/head.c b/src/head.c
index d53be47..92ab10b 100644
--- a/src/head.c
+++ b/src/head.c
@@ -856,6 +856,8 @@ static BOOL wait_for_process_ready(const HWND hwnd, const HANDLE process_handle,
 /* Message box                                                              */
 /* ======================================================================== */
 
+#define IS_HTTP_URL(STR) (NOT_EMPTY(STR) && ((wcsnicmp((STR), L"http://", 7U) == 0) || (wcsnicmp((STR), L"https://", 8U) == 0)))
+
 static const wchar_t *describe_system_error(const DWORD error_code)
 {
     const wchar_t *error_test = NULL, *buffer = NULL;
@@ -902,7 +904,7 @@ static void show_jre_download_notice(const HINSTANCE hinstance, const HWND hwnd,
             : awprintf(L"%u.%u", req_version_comp[0U], req_version_comp[1U]));
     if(version_str)
     {
-        const wchar_t *const jre_download_ptr = AVAILABLE(jre_download_link) ? jre_download_link : JRE_DOWNLOAD_LINK_DEFAULT;
+        const wchar_t *const jre_download_ptr = IS_HTTP_URL(jre_download_link) ? jre_download_link : JRE_DOWNLOAD_LINK_DEFAULT;
         const int result = (required_bitness == 0U)
             ? show_message_format(hwnd, MB_ICONWARNING | MB_OKCANCEL | MB_TOPMOST, title,
                 L"This application requires the Java Runtime Environment, version %ls, or a compatible newer version.\n\n"