def handle_redirect(self, entity, mbid, filename):
""" Handle the 307 redirect. """
if not filename:
return [statuscode (400), "no filename specified"]
filename = filename.replace("-250.jpg", "_thumb250.jpg")
filename = filename.replace("-500.jpg", "_thumb500.jpg")
return [statuscode (307), "%s/mbid-%s/mbid-%s-%s" % (
self.config.s3.prefix, mbid, mbid, filename)]
def handle_index(self):
'''Serve up the one static index page'''
try:
f = open(os.path.join(self.config.static_path, "index"))
except IOError:
return [statuscode (500), "Internal Server Error"]
txt = f.read()
f.close()
return [statuscode (200), txt]
def handle_redirect(self, request, mbid, filename):
"""Handle the 307 redirect."""
if not filename:
return [statuscode(400), "no filename specified"]
filename = re.sub("-250.(jpg|gif|png|pdf)", "_thumb250.jpg", filename)
filename = re.sub("-500.(jpg|gif|png|pdf)", "_thumb500.jpg", filename)
url = "%s/mbid-%s/mbid-%s-%s" % (self.config.s3.prefix, mbid, mbid, filename)
return request.redirect(code=307, location=url)
def handle_redirect(self, request, mbid, filename):
"""Handle the 307 redirect."""
if not filename:
return [statuscode(400), "no filename specified"]
filename = re.sub("-250.(jpg|gif|png|pdf)", "_thumb250.jpg", filename)
filename = re.sub("-500.(jpg|gif|png|pdf)", "_thumb500.jpg", filename)
url = "%s/mbid-%s/mbid-%s-%s" % (self.config.s3.prefix, mbid, mbid, filename)
return request.redirect(code=307, location=url)
def __call__(self, environ, start_response):
try:
with closing(self.engine.connect()) as conn:
(status, txt) = CoverArtRedirect(self.config, conn).handle(environ)
if status.startswith("307"):
start_response(status, [
('Location', txt),
('Access-Control-Allow-Origin', '*')
])
return ["See: ", txt, "\n"]
elif status.startswith("200"):
start_response(statuscode (200), [
('Content-Type', 'text/html; charset=UTF-8'),
('Content-Length', str(len(txt)))])
return [txt]
else:
start_response(status, [])
return [txt, "\n"]
except:
cherrypy.log("Caught exception\n" + traceback.format_exc())
start_response(statuscode (500), [])
return ["Whoops. Our bad.\n"]
def handle(self, environ):
'''Handle a request, parse and validate arguments and dispatch the request'''
entity = shift_path_info(environ)
if not entity:
return self.handle_index()
if entity not in ('release', 'release-group'):
return [statuscode (400), "Only release and release-group entities are currently supported"]
req_mbid = shift_path_info(environ)
if not req_mbid:
return [statuscode (400), "no MBID specified."]
if not re.match('[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$', req_mbid):
return [statuscode (400), "invalid MBID specified."]
mbid = self.resolve_mbid (entity, req_mbid)
if not mbid:
return [statuscode (404), "No %s found with identifier %s" % (entity, req_mbid)]
filename = shift_path_info(environ)
if not filename:
if entity == 'release':
return self.handle_dir(entity, mbid, environ)
else:
return [statuscode (400), "Invalid request."]
if filename.startswith ('front'):
(filename, mbid) = self.resolve_cover (entity, mbid, 'Front', self.thumbnail (filename))
if not filename:
return [statuscode (404),
"No front cover image found for %s with identifier %s" % (entity, req_mbid)]
elif filename.startswith ('back'):
if entity == 'release':
(filename, mbid) = self.resolve_cover (entity, mbid, 'Back', self.thumbnail (filename))
if not filename:
return [statuscode (404),
"No back cover image found for %s with identifier %s" % (entity, req_mbid)]
else:
return [statuscode (400),
"Back cover is not defined for %s" % entity]
(code, response) = self.handle_redirect(entity, mbid, filename.encode('utf8'))
return code, response
def handle_dir(self, entity, mbid, environ):
'''When the user requests no file, redirect to the root of the bucket to give the user an
index of what is in the bucket'''
index_url = "%s/mbid-%s/index.json" % (self.config.s3.prefix, mbid)
return [statuscode (307), index_url]
