(Captiveportal, new) overlay user template content in fetch_template

(cherry picked from commit 8455fef5)

src/opnsense/scripts/OPNsense/CaptivePortal/fetch_template.py

@@ -29,21 +29,47 @@
     fetch template files as base64 encoded zipfile
 """
 import os
+import sys
 import ujson
+import binascii
 import zipfile
 import StringIO
+from lib import OPNSenseConfig
 
+response = dict()
 source_directory  = '/usr/local/opnsense/scripts/OPNsense/CaptivePortal/htdocs_default'
 
 output_data = StringIO.StringIO()
 
 with zipfile.ZipFile(output_data, mode='w', compression=zipfile.ZIP_DEFLATED) as zf:
+    # overlay user template data
+    user_filenames = list()
+    if len(sys.argv) > 1:
+        # search for user template, using fileid
+        cnf = OPNSenseConfig()
+        template_content = cnf.get_template(sys.argv[1])
+        if template_content is not None:
+            try:
+                input_data = StringIO.StringIO(template_content.decode('base64'))
+                with zipfile.ZipFile(input_data, mode='r', compression=zipfile.ZIP_DEFLATED) as zf_in:
+                    for zf_info in zf_in.infolist():
+                        user_filenames.append(zf_info.filename)
+                        zf.writestr(zf_info.filename, zf_in.read(zf_info.filename))
+            except zipfile.BadZipfile:
+                # not in zip format
+                response['error'] = 'internal xml data not in zip format, user data discarded'
+            except binascii.Error:
+                # not base64 encoded
+                response['error'] = 'internal xml data not in base64 format, user data discarded'
+
+    # read standard template from disk
     for root, dirs, files in os.walk(source_directory):
         for filename in files:
             filename = '%s/%s' % (root,filename)
             output_filename = filename[len(source_directory)+1:]
-            zf.writestr(output_filename, open(filename,'rb').read())
+            if output_filename not in user_filenames:
+                zf.writestr(output_filename, open(filename,'rb').read())
 
-response = {'payload': output_data.getvalue().encode('base64')}
+response['payload'] = output_data.getvalue().encode('base64')
 response['size'] = len(response['payload'])
 print(ujson.dumps(response))

src/opnsense/service/conf/actions.d/actions_captiveportal.conf

@@ -36,9 +36,9 @@ message:restarting captiveportal services
 
 [fetch_template]
 command:/usr/local/opnsense/scripts/OPNsense/CaptivePortal/fetch_template.py
-parameters:
+parameters:%s
 type:script_output
-message:fetch captiveportal web template package
+message:fetch captiveportal web template package %s
 
 [strip_template]
 command:/usr/local/opnsense/scripts/OPNsense/CaptivePortal/strip_template.py