def POST(self, ufile):
if self.enable_cors:
self.set_cors_headers()
ct = None
fext = None
try:
ct = str(ufile.content_type)
fext = ct.split('/')[1]
if not ct:
self.cherry.response.status = 408
return b'{"error":"can\'t determine content-type"}'
except:
self.cherry.response.status = 408
return b'{"error":"can\'t determine content-type"}'
size = 0
uf = io.BytesIO()
while True:
data = ufile.file.read(8192)
if not data:
break
uf.write(data)
size += len(data)
uf.seek(0)
uf_bts = uf.read()
hk = cdx.guid_bin_to_hex(cdx.sha256_bin_digest(uf_bts))
st_hk = hk.decode()
f_name = '%s.%s' % (st_hk, fext)
f_name_meta = '%s.json' % st_hk
upload_file = os.path.join(self.store_dir, f_name)
upload_meta_file = os.path.join(self.store_dir, f_name_meta)
with open(upload_file, 'wb') as u_f:
uf.seek(0)
u_f.write(uf.read())
u_f.close()
# resize for thumbnails
try:
self.thumbnail.resize(fn=upload_file, max_w=400, max_h=400)
except Exception as e:
print('POST: WARNING THUMBNAIL FAILED', e)
with open(upload_meta_file, 'wb') as u_m_f:
u_m_f.write(
json.dumps({
'fext': fext,
'hkey': st_hk,
"Content-Type": ct
},
ensure_ascii=False).encode())
u_m_f.close()
self.on_post(st_hk)
self.cherry.response.status = 201
return hk.decode()
def __call__(self, *args, **kwargs):
key, val = args
key_st = json.dumps(key, ensure_ascii=False)
val_st = json.dumps(val, ensure_ascii=False)
key_val = key_st + val_st
key_val_bts = key_val.encode()
hash_bin = sha256_bin_digest(key_val_bts)
hash_bin_ascii = guid_bin_to_hex(hash_bin)
return hash_bin_ascii
def POST(self, ufile):
cherrypy.response.headers["Access-Control-Allow-Origin"] = "*"
ct = None
try:
ct = str(ufile.content_type)
fext = ct.split('/')[1]
if not ct:
self.cherry.response.status = 408
return b'{"error":"can\'t determine content-type"}'
except:
self.cherry.response.status = 408
return b'{"error":"can\'t determine content-type"}'
size = 0
uf = io.BytesIO()
while True:
data = ufile.file.read(8192)
if not data:
break
uf.write(data)
size += len(data)
uf.seek(0)
uf_bts = uf.read()
hk = guid_bin_to_hex(sha256_bin_digest(uf_bts))
st_hk = hk.decode()
f_name = '%s.%s' % (st_hk, fext)
f_name_meta = '%s.json' % st_hk
upload_file = os.path.join(self.store_dir, f_name)
upload_meta_file = os.path.join(self.store_dir, f_name_meta)
with open(upload_file, 'wb') as u_f:
uf.seek(0)
u_f.write(uf.read())
u_f.close()
with open(upload_meta_file, 'wb') as u_m_f:
u_m_f.write(
json.dumps({
'fext': fext,
'hkey': st_hk,
"Content-Type": ct
},
ensure_ascii=False).encode())
u_m_f.close()
self.on_post(st_hk)
self.cherry.response.status = 201
return hk.decode()
def create(
self,
json_data: bytes,
owner_hash: bytes,
resource_signature: bytes,
content_type=None,
content_encoding=None,
):
if not content_type:
content_type = self.content_type
if not content_encoding:
content_encoding = self.content_encoding
pk_hash = self.data_store.create_resource(owner_hash,
resource_signature,
content_type,
content_encoding, json_data)
res = SignedBinResource()
res.orig_res_hash = sha256_bin_digest(json_data)
res.content_type = content_type
res.content_encoding = content_encoding
res.owner_bin = owner_hash
res.data_bin = json_data
res.sig_bin = resource_signature
pk_hash_hex = guid_bin_to_hex(pk_hash).decode()
if self.cdn_client:
cdn_pk_hash = self.cdn_client.create(res)
if cdn_pk_hash == pk_hash_hex:
# all good
print('RESOURCE CREATE ON CDN PEER')
print('RES:', cdn_pk_hash)
pass
else:
print('Warning cdn hash not equal to local pk hash')
print('CDN:', cdn_pk_hash)
print('LOC:', pk_hash_hex)
return pk_hash
def resource_hash(data_bin: bytes):
res_hash = sha256_bin_digest(data_bin)
return res_hash
def component_hash(word: str):
word_bts = word.encode(encoding='utf-8')
return sha256_bin_digest(word_bts)
def component_hash_by_term(term):
bts = term.encode(encoding='utf-8')
return sha256_bin_digest(bts)
def component_hash(specifier: str, prfx: str):
spec_word = '%s::%s' % (specifier, prfx)
bts = spec_word.encode(encoding='utf-8')
return sha256_bin_digest(bts)
def bytes_to_hkey_and_io(bts: bytes) -> (str, BytesIO):
bio = BytesIO(bts)
bio.seek(0)
hk = guid_bin_to_hex(sha256_bin_digest(bts))
return hk, bio