def GET(self):
"""Default document"""
file = self.chooseContext()
request = self.request
response = request.response
# Control in-memory caching
cache_in_memory = file.caching == "memory"
if cache_in_memory:
last_mod = file.lmt
if last_mod > file.data_last_fetched:
# force delete file contents
file.purgeData()
# HTTP If-Modified-Since header handling. This is duplicated
# from OFS.Image.Image - it really should be consolidated
# somewhere...
if __five__:
header = request.get_header("If-Modified-Since")
else:
header = request.getHeader("If-Modified-Since", None)
if header is not None:
header = header.split(";")[0]
# Some proxies seem to send invalid date strings for this
# header. If the date string is not valid, we ignore it
# rather than raise an error to be generally consistent
# with common servers such as Apache (which can usually
# understand the screwy date string as a lucky side effect
# of the way they parse it).
try:
mod_since = long(timeFromDateTimeString(header))
except:
mod_since = None
if mod_since is not None:
if not cache_in_memory:
last_mod = file.lmt
if last_mod > 0 and int(last_mod) <= mod_since:
response.setStatus(304)
return ""
response.setHeader("Content-Type", file.content_type)
response.setHeader("Last-Modified", file.lmh)
# Cache for one day
response.setHeader("Cache-Control", "public,max-age=86400")
data = file.data
if not cache_in_memory:
# force delete file contents
file.purgeData()
return data
def isModified(self):
if self.modified == 0:
return True
request = self.request
header = request.getHeader('IF_MODIFIED_SINCE', None, True)
if header is not None:
header = header.split(';')[0]
try: mod_since=long(timeFromDateTimeString(header))
except: mod_since=None
if mod_since is not None:
lmt = self.info.modified()
if lmt > 0 and lmt <= mod_since:
return False
return True
def GET(self):
"""Download the resource if it have been modified.
"""
header = self.request.environ.get('HTTP_IF_MODIFIED_SINCE', None)
if header is not None:
header = header.split(';')[0]
try:
mod_since = long(timeFromDateTimeString(header))
except:
mod_since = None
if mod_since is not None:
last_mod = long(self.context.lmt)
if last_mod > 0 and last_mod <= mod_since:
self.request.response.setStatus(304)
return u''
self.__set_http_headers()
return self.context.data()
def GET(self):
"""Default content"""
file = self.context
request = self.request
response = request.response
# HTTP If-Modified-Since header handling. This is duplicated
# from OFS.Image.Image - it really should be consolidated
# somewhere...
header = request.get_header('If-Modified-Since')
if header is not None:
header = header.split(';')[0]
# Some proxies seem to send invalid date strings for this
# header. If the date string is not valid, we ignore it
# rather than raise an error to be generally consistent
# with common servers such as Apache (which can usually
# understand the screwy date string as a lucky side effect
# of the way they parse it).
try:
mod_since = long(timeFromDateTimeString(header))
except:
mod_since = None
if mod_since is not None:
if getattr(file, 'lmt', None):
last_mod = long(file.lmt)
else:
last_mod = long(0)
if last_mod > 0 and last_mod <= mod_since:
response.setStatus(304)
return ''
response.setHeader('Content-Type', file.content_type)
response.setHeader('Last-Modified', file.lmh)
# Cache for one day
response.setHeader('Cache-Control', 'public,max-age=86400')
f = open(file.path, 'rb')
data = f.read()
f.close()
return data
def GET(self):
"""Default content"""
file = self.context
request = self.request
response = request.response
# HTTP If-Modified-Since header handling. This is duplicated
# from OFS.Image.Image - it really should be consolidated
# somewhere...
header = request.environ.get('If-Modified-Since', None)
if header is not None:
header = header.split(';')[0]
# Some proxies seem to send invalid date strings for this
# header. If the date string is not valid, we ignore it
# rather than raise an error to be generally consistent
# with common servers such as Apache (which can usually
# understand the screwy date string as a lucky side effect
# of the way they parse it).
try: mod_since=long(timeFromDateTimeString(header))
except: mod_since=None
if mod_since is not None:
if getattr(file, 'lmt', None):
last_mod = long(file.lmt)
else:
last_mod = long(0)
if last_mod > 0 and last_mod <= mod_since:
response.setStatus(304)
return ''
response.setHeader('Content-Type', file.content_type)
response.setHeader('Last-Modified', file.lmh)
# Cache for one day
response.setHeader('Cache-Control', 'public,max-age=86400')
f = open(file.path, 'rb')
data = f.read()
f.close()
return data
def GET(self):
request = self.request
response = request.response
resource = self.resource
try:
modified = ICMFDublinCore(resource).modified
except TypeError:
modified = datetime.datetime.now()
lmt = long(time.mktime(modified.timetuple()))
header = request.getHeader('If-Modified-Since', None)
if header is not None:
header = header.split(';')[0]
try: mod_since=long(timeFromDateTimeString(header))
except: mod_since=None
if mod_since is not None:
if lmt > 0 and lmt <= mod_since:
response.setStatus(304)
return ''
response.setHeader('Last-Modified', rfc1123_date(lmt))
return resource.render(request, attr=self.attr)
