def downloadInfo(self):
""" Displays the information about the download """
self.story.append(Paragraph("Download Information",styles['Heading1']))
d = DbInterface.getDownload(self.t)
zipVerification = Verifier(self.t).verifyZIP()
mbSize = float(d.finalFileSize) / math.pow(2,20)
startT = str(timezone.localtime(d.downTime))
endT = str(timezone.localtime(d.endDownTime))
data = []
data.append([Paragraph("Start Time: <b>" + startT + "</b>",self.normalStyle)])
data.append([Paragraph("End Time: <b>" + endT + "</b>",self.normalStyle)])
data.append([Paragraph("Size: <b>" + str(mbSize) + " MB </b>",self.normalStyle)])
data.append([Paragraph("ZIP Signature Hash: <b>" + d.verificationZIPSignatureHash + " (" + zipVerification['zipHashBase64'] + ")</b>",self.normalStyle)])
data.append([Paragraph("Digital Timestamp Authoritiy: <b>" + str("https://www.digistamp.com")+ "</b>",self.normalStyle)])
t = Table(data)
t.setStyle(TableStyle([('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
('BOX', (0,0), (-1,-1), 0.25, colors.black),
]
)
)
self.story.append(t)
def verifyZIP(self):
""" Verify the signature and the digital timestamp """
d = DbInterface.getDownload(self.t)
folderName = d.folder
#path of signature files
request = os.path.join(settings.VERIFIED_ZIP,folderName+constConfig.EXTENSION_REQUEST)
signature = os.path.join(settings.VERIFIED_ZIP,folderName+constConfig.EXTENSION_SIGNATURE)
zipData = os.path.join(settings.VERIFIED_ZIP,folderName+constConfig.EXTENSION_ZIP)
zipHash = d.verificationZIPSignatureHash
zipHashBase64 = binascii.b2a_base64(binascii.unhexlify(zipHash))
signatureDownloadPath = "/verSign/" + folderName + constConfig.EXTENSION_SIGNATURE
if os.path.isfile(request) and os.path.isfile(signature):
dtaVer = DTAVerifier(None)
res = dtaVer.verifyTimestamp(request,signature)
return {'res':res,'zipHashBase64':zipHashBase64,'zipHash':zipHash,'downLink': signatureDownloadPath ,'reqName': folderName+constConfig.EXTENSION_REQUEST,'sigName':folderName+constConfig.EXTENSION_SIGNATURE}
def downloadInfo(self):
""" Displays the information about the download """
self.story.append(Paragraph("Download Information",
styles['Heading1']))
d = DbInterface.getDownload(self.t)
zipVerification = Verifier(self.t).verifyZIP()
mbSize = float(d.finalFileSize) / math.pow(2, 20)
startT = str(timezone.localtime(d.downTime))
endT = str(timezone.localtime(d.endDownTime))
data = []
data.append(
[Paragraph("Start Time: <b>" + startT + "</b>", self.normalStyle)])
data.append(
[Paragraph("End Time: <b>" + endT + "</b>", self.normalStyle)])
data.append([
Paragraph("Size: <b>" + str(mbSize) + " MB </b>", self.normalStyle)
])
data.append([
Paragraph(
"ZIP Signature Hash: <b>" + d.verificationZIPSignatureHash +
" (" + zipVerification['zipHashBase64'] + ")</b>",
self.normalStyle)
])
data.append([
Paragraph(
"Digital Timestamp Authoritiy: <b>" +
str("https://www.digistamp.com") + "</b>", self.normalStyle)
])
t = Table(data)
t.setStyle(
TableStyle([
('INNERGRID', (0, 0), (-1, -1), 0.25, colors.black),
('BOX', (0, 0), (-1, -1), 0.25, colors.black),
]))
self.story.append(t)