Take scriptName from the WSGI_SCRIPT_NAME environment variable

passed from the web server, if present.
Check if scriptName is None, and if so, don't modify SCRIPT_NAME
& PATH_INFO. For better compatibility with cgi2scgi. (scgi_base)

2 files changed, 24 insertions, 10 deletions

diff --git a/flup/server/ajp_base.py b/flup/server/ajp_base.py
index e6c7aee..76c2534 100644
--- a/flup/server/ajp_base.py
+++ b/flup/server/ajp_base.py
@@ -471,9 +471,7 @@ class Request(object):
     def __init__(self, conn):
         self._conn = conn
 
-        self.environ = {
-            'SCRIPT_NAME': conn.server.scriptName
-            }
+        self.environ = {}
         self.input = InputStream(conn)
 
         self._headersSent = False
@@ -520,12 +518,6 @@ class Request(object):
     def setRequestURI(self, value):
         self.environ['REQUEST_URI'] = value
 
-        scriptName = self._conn.server.scriptName
-        if not value.startswith(scriptName):
-            self.logger.warning('scriptName does not match request URI')
-
-        self.environ['PATH_INFO'] = value[len(scriptName):]
-
     def setRemoteAddr(self, value):
         self.environ['REMOTE_ADDR'] = value
 
@@ -847,6 +839,8 @@ class BaseAJPServer(object):
         else:
             environ['wsgi.url_scheme'] = 'http'
 
+        self._sanitizeEnv(environ)
+
         headers_set = []
         headers_sent = []
         result = None
@@ -916,6 +910,17 @@ class BaseAJPServer(object):
             if not self.multithreaded:
                 self._appLock.release()
 
+    def _sanitizeEnv(self, environ):
+        """Fill-in/deduce missing values in environ."""
+        # Namely SCRIPT_NAME/PATH_INFO
+        value = environ['REQUEST_URI']
+        scriptName = environ.get('WSGI_SCRIPT_NAME', self.scriptName)
+        if not value.startswith(scriptName):
+            self.logger.warning('scriptName does not match request URI')
+
+        environ['PATH_INFO'] = value[len(scriptName):]
+        environ['SCRIPT_NAME'] = scriptName
+
     def error(self, request):
         """
         Override to provide custom error handling. Ideally, however,
diff --git a/flup/server/scgi_base.py b/flup/server/scgi_base.py
index be8dede..0aec77a 100644
--- a/flup/server/scgi_base.py
+++ b/flup/server/scgi_base.py
@@ -443,11 +443,20 @@ class BaseSCGIServer(object):
     def _sanitizeEnv(self, environ):
         """Fill-in/deduce missing values in environ."""
         # Namely SCRIPT_NAME/PATH_INFO
+        scriptName = environ.get('WSGI_SCRIPT_NAME')
+        if scriptName is None:
+            scriptName = self.scriptName
+        elif scriptName.lower() == 'none':
+            scriptName = None
+
+        if scriptName is None:
+            # Do nothing (most likely coming from cgi2scgi)
+            return
+
         value = environ['SCRIPT_NAME']
         # Pull PATH_INFO from environ, if it exists. (cgi2scgi actually
         # passes it in.)
         value += environ.get('PATH_INFO', '')
-        scriptName = self.scriptName
         if not value.startswith(scriptName):
             self.logger.warning('scriptName does not match request URI')