1 files changed, 31 insertions, 0 deletions
diff --git a/guard/proxyfix.py b/guard/proxyfix.py
new file mode 100644
index 0000000..bd86203
--- /dev/null
+++ b/guard/proxyfix.py
@@ -0,0 +1,31 @@
+from werkzeug.contrib.fixers import ProxyFix
+
+def _reverse_proxified(app):
+    """
+    Configure apache as:
+      RequestHeader set X-Script-Name /videos
+    """
+
+    def wsgi_call(environ, start_response):
+        script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
+        if script_name:
+            environ['SCRIPT_NAME'] = script_name
+            path_info = environ['PATH_INFO']
+            if path_info.startswith(script_name):
+                environ['PATH_INFO'] = path_info[len(script_name):]
+
+        scheme = environ.get('HTTP_X_SCHEME', '')
+        if scheme:
+            environ['wsgi.url_scheme'] = scheme
+        return app(environ, start_response)
+
+    return wsgi_call
+
+"""
+'ProxyFix' applied for reading X-Forwarded-Proto, X-Forwarded-For, X-Forwarded-Host
+
+'_reverse_proxified' applied for 'X-Script-Name'.
+That's required when external request path is different from application server path.
+"""
+def fix(app):
+    return _reverse_proxified(ProxyFix(app))