Merge branch 'master' of git.dolda2000.com:/srv/git/r/ashd
[ashd.git] / python3 / ashd-wsgi3
index e6c39a4..8944b5c 100755 (executable)
@@ -34,6 +34,7 @@ if len(args) < 1:
     sys.exit(1)
 if setlog:
     logging.basicConfig(format="ashd-wsgi3(%(name)s): %(levelname)s: %(message)s")
+log = logging.getLogger("ashd-wsgi3")
 
 try:
     handlermod = __import__(args[0], fromlist = ["dummy"])
@@ -130,10 +131,15 @@ def dowsgi(req):
         name = ""
     env["SCRIPT_NAME"] = name
     env["PATH_INFO"] = pi
-    for src, tgt in [("HTTP_HOST", "SERVER_NAME"), ("HTTP_X_ASH_SERVER_PORT", "SERVER_PORT"),
-                     ("HTTP_X_ASH_ADDRESS", "REMOTE_ADDR"), ("HTTP_CONTENT_TYPE", "CONTENT_TYPE"),
-                     ("HTTP_CONTENT_LENGTH", "CONTENT_LENGTH"), ("HTTP_X_ASH_PROTOCOL", "wsgi.url_scheme")]:
+    for src, tgt in [("HTTP_HOST", "SERVER_NAME"), ("HTTP_X_ASH_PROTOCOL", "wsgi.url_scheme"),
+                     ("HTTP_X_ASH_SERVER_ADDRESS", "SERVER_ADDR"), ("HTTP_X_ASH_SERVER_PORT", "SERVER_PORT"),
+                     ("HTTP_X_ASH_ADDRESS", "REMOTE_ADDR"), ("HTTP_X_ASH_PORT", "REMOTE_PORT"),
+                     ("HTTP_CONTENT_TYPE", "CONTENT_TYPE"), ("HTTP_CONTENT_LENGTH", "CONTENT_LENGTH")]:
         if src in env: env[tgt] = env[src]
+    for key in ["HTTP_CONTENT_TYPE", "HTTP_CONTENT_LENGTH"]:
+        # The CGI specification does not strictly require this, but
+        # many actualy programs and libraries seem to.
+        if key in env: del env[key]
     if "X-Ash-Protocol" in req and req["X-Ash-Protocol"] == b"https": env["HTTPS"] = "on"
     if "X-Ash-File" in req: env["SCRIPT_FILENAME"] = absolutify(req["X-Ash-File"].decode(locale.getpreferredencoding()))
     env["wsgi.input"] = req.sk
@@ -191,18 +197,18 @@ def dowsgi(req):
         return write
 
     with ashd.perf.request(env) as reqevent:
-        respiter = handler(env, startreq)
         try:
+            respiter = handler(env, startreq)
             try:
                 for data in respiter:
                     write(data)
                 if resp:
                     flushreq()
-            except closed:
-                pass
-        finally:
-            if hasattr(respiter, "close"):
-                respiter.close()
+            finally:
+                if hasattr(respiter, "close"):
+                    respiter.close()
+        except closed:
+            pass
         if resp:
             reqevent.response(resp)
 
@@ -231,6 +237,8 @@ class reqthread(threading.Thread):
                 with flightlock:
                     inflight -= 1
                     flightlock.notify()
+        except:
+            log.error("exception occurred in handler thread", exc_info=True)
         finally:
             self.req.close()
             sys.stderr.flush()