def POST(self, request): if self.ignoreQueryString is False: request += web.ctx.query url = self.origin + request if self.forwardPost is False: raise web.SeeOther(url, absolute=True) response = forward.forwardRequest(url, method=web.ctx.method) forward.forwardResponse(response)
def POST(self, request):
if self.ignoreQueryString is False:
request += web.ctx.query
url = self.origin + request
if self.forwardPost is False:
raise web.SeeOther(url, absolute=True)
response = forward.forwardRequest(url, method=web.ctx.method)
forward.forwardResponse(response)
if cache:
return cache
logging.warning('urlfetch error, redirect to origin. (%s: %s)' % (type(e), e))
raise web.SeeOther(url, absolute=True)
if response.status_code == 304:
logging.debug('304, update cache meta')
cache.lastRefresh = datetime.datetime.utcnow()
cache.expires = cache.lastRefresh + datetime.timedelta(seconds=cache.maxAge)
cache.put()
self.memcacheSet(key=request, value=cache, time=cache.expires)
return cache
elif response.status_code == 404:
if cache:
cache.delete()
memcache.delete(request)
forward.forwardResponse(response)
elif cache and response.status_code >= 500:
logging.warning('500, serving cache copy')
return cache
elif response.status_code != 200:
forward.forwardResponse(response)
cache = self.cache(key_name=request)
cache.data = db.Blob(response.content)
cache.maxAge = self.getMaxAge(response.headers)
cache.lastRefresh = datetime.datetime.utcnow()
if not 'last-modified' in response.headers:
cache.lastModified = cache.lastRefresh
else:
cache.lastModified = web.parsehttpdate(response.headers['last-modified'])
cache.expires = cache.lastRefresh + datetime.timedelta(seconds=cache.maxAge)
for h in self.headerBlacklist:
if cache:
return cache
logging.warning('urlfetch error, redirect to origin. (%s: %s)' % (type(e), e))
raise web.SeeOther(url, absolute=True)
if response.status_code == 304:
logging.debug('304, update cache meta')
cache.lastRefresh = datetime.datetime.utcnow()
cache.expires = cache.lastRefresh + datetime.timedelta(seconds=cache.maxAge)
cache.put()
self.memcacheSet(key=request, value=cache, time=cache.expires)
return cache
elif response.status_code == 404:
if cache:
cache.delete()
memcache.delete(request)
forward.forwardResponse(response)
elif cache and response.status_code >= 500:
logging.warning('500, serving cache copy')
return cache
elif response.status_code != 200:
forward.forwardResponse(response)
# got 200, new content
cache = self.cache(key_name=request)
data = response.content
if not _beforeWriteCache is None:
data = _beforeWriteCache(data)
cache.data = db.Blob(data)
if self.prefetch:
self.prefetchContent(response)
cache.maxAge = self.getMaxAge(response.headers)
cache.lastRefresh = datetime.datetime.utcnow()