views: restrict EFI part size to 500MiB or higher

Modern Windows systems require higher EFI partition sizes than
most other OS.
Validate partition & format form to ensure the EFI partition has
as size of 500MiB or higher.

1 files changed, 5 insertions, 0 deletions

diff --git a/ogcp/views.py b/ogcp/views.py
index 525ed3a..72a8b14 100644
--- a/ogcp/views.py
+++ b/ogcp/views.py
@@ -714,6 +714,7 @@ def action_setup_show():
 @login_required
 def action_setup_modify():
     form = SetupForm(request.form)
+    MIN_EFI_SIZE = 500
     if form.validate():
         cache_count = 0
         for partition in form.partitions:
@@ -724,6 +725,10 @@ def action_setup_modify():
                 flash(_('The EFI partition requires a FAT32 filesystem'), category='error')
                 return redirect(url_for('commands'))
 
+            if partition.part_type.data == 'EFI' and partition.size.data < MIN_EFI_SIZE:
+                flash(_(f'The EFI partition requires a size of {MIN_EFI_SIZE}MiB or higher'), category='error')
+                return redirect(url_for('commands'))
+
             if partition.size.data <= 0:
                 flash(_('Partitions can\'t have a size of zero or lower'), category='error')
                 return redirect(url_for('commands'))