def publish(key, name, last_segment, content):
print("Generating: %s" % name)
# Name
co_name = Name.Name(name)
# SignedInfo
si = ContentObject.SignedInfo()
si.type = ContentObject.ContentType.CCN_CONTENT_DATA
si.finalBlockID = last_segment
si.publisherPublicKeyDigest = key.publicKeyID
si.keyLocator = Key.KeyLocator(key)
# ContentObject
co = ContentObject.ContentObject()
co.content = content
co.name = co_name
co.signedInfo = si
co.sign(key)
return co
def publish_content(self, name, content, freshness=5):
'''Publish the data as a Content Object
Args:
name (str): the name string
content (bytes): the data bytes
Kwargs:
freshness (int): the freshness in seconds for the Content Object
'''
co = ContentObject()
co.name = self.get_pyccn_name(name)
co.content = content
si = self.get_signed_info(freshness)
co.signedInfo = si
co.sign(self.ccnx_key)
self.ccnx_handle.put(co)
def makeDefaultContent(self, name, content):
co = ContentObject()
# since they want us to use versions and segments append those to our name
co.name = Name(name) # making copy, so any changes to co.name won't change self.name
co.name.appendVersion() # timestamp which is our version
co.name.append(b'\x00') # first segment
co.content = content #"LIGHT OK"
si = pyccn.SignedInfo()
si.publisherPublicKeyDigest = self.key.publicKeyID
si.type = 0x28463F # key type
#si.type = 0x0C04C0 # content type
si.finalBlockID = b'\x00' # no more segments available
si.keyLocator = self.keyLocator
co.signedInfo = si
co.sign(self.key)
return co
def publish(self, name, content):
# Name
#print name
# SignedInfo
si = pyccn.SignedInfo()
#si.type = pyccn.CCN_CONTENT_DATA
si.type = 0x0C04C0 # content type
si.finalBlockID = b'\x00'
si.publisherPublicKeyDigest = self.key.publicKeyID
si.keyLocator = self.keylocator
si.freshnessSeconds = FRESHNESS_SECONDS
# ContentObject
co = ContentObject()
co.content = content
co.name = name
co.signedInfo = si
co.sign(self.key)
return co
def publish_content(self, name, content, freshness = 5):
'''Publish the data as a Content Object
Args:
name (str): the name string
content (bytes): the data bytes
Kwargs:
freshness (int): the freshness in seconds for the Content Object
'''
co = ContentObject()
co.name = self.get_pyccn_name(name)
co.content = content
si = self.get_signed_info(freshness)
co.signedInfo = si
co.sign(self.ccnx_key)
self.ccnx_handle.put(co)
def upcall(self, kind, upcallInfo):
global sender_handle, n, k, kl
print("Sender closure:")
print(upcallInfo)
co = ContentObject()
co.name = Name(n)
co.content = "Frou"
si = SignedInfo()
si.publisherPublicKeyDigest = k.publicKeyID
si.type = pyccn.CONTENT_DATA
si.freshnessSeconds = 5
si.keyLocator = kl
co.signedInfo = si
co.sign(k)
r = sender_handle.put(co)
print("put(co) = ", r)
#sender_handle.setRunTimeout(0)
return pyccn.RESULT_INTEREST_CONSUMED
def publish(self, name, content):
# Name
#print name
# SignedInfo
si = pyccn.SignedInfo()
#si.type = pyccn.CCN_CONTENT_DATA
si.type = 0x0C04C0 # content type
si.finalBlockID = b'\x00'
si.publisherPublicKeyDigest = self.key.publicKeyID
si.keyLocator = self.keylocator
si.freshnessSeconds = FRESHNESS_SECONDS
# ContentObject
co = ContentObject()
co.content = content
co.name = name
co.signedInfo = si
co.sign(self.key)
return co
