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#!/usr/bin/env python3 |
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# -*- coding: utf-8 -*- |
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# pylint: disable=C0111,C0326,C0103 |
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"""Tools to interface with TCL's checksum API.""" |
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import json |
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from defusedxml import ElementTree |
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from . import credentials |
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class TclChecksumMixin: |
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"""A mixin component for TCL's checksum API.""" |
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@staticmethod |
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def prep_checksum(encslave, address, uri): |
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"""Prepare URL and parameters for checksum request.""" |
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url = "http://" + encslave + "/checksum.php" |
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params = credentials.get_creds2() |
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payload = {address: uri} |
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payload_json = json.dumps(payload) |
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params[b"address"] = bytes(payload_json, "utf-8") |
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return url, params |
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def do_checksum(self, encslave, address, uri): |
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"""Perform checksum request with given parameters.""" |
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url, params = self.prep_checksum(encslave, address, uri) |
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# print(repr(dict(params))) |
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req = self.sess.post(url, data=params) |
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if req.status_code == 200: |
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req.encoding = "utf-8" # Force encoding as server doesn't give one |
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self.write_dump(req.text) |
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# <ENCRYPT_FOOTER>2abfa6f6507044fec995efede5d818e62a0b19b5</ENCRYPT_FOOTER> means ERROR (invalid ADDRESS!) |
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if "<ENCRYPT_FOOTER>2abfa6f6507044fec995efede5d818e62a0b19b5</ENCRYPT_FOOTER>" in req.text: |
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print("INVALID URI: {}".format(uri)) |
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raise SystemExit |
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return req.text |
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else: |
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print("CHECKSUM: " + repr(req)) |
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print(repr(req.headers)) |
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print(repr(req.text)) |
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raise SystemExit |
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@staticmethod |
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def parse_checksum(xmlstr): |
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"""Parse output of ``do_checksum``.""" |
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root = ElementTree.fromstring(xmlstr) |
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file = root.find("FILE_CHECKSUM_LIST").find("FILE") |
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file_addr = file.find("ADDRESS").text |
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sha1_enc_footer = file.find("ENCRYPT_FOOTER").text |
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sha1_footer = file.find("FOOTER").text |
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sha1_body = file.find("BODY").text |
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return file_addr, sha1_body, sha1_enc_footer, sha1_footer |
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mbirth /
tcl_ota_check
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