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Decrypts and prints incident information from PulsePoint
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| import base64 | |
| import hashlib | |
| import json | |
| from urllib import request | |
| from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes | |
| from cryptography.hazmat.backends import default_backend | |
| data = json.loads(request.urlopen("https://web.pulsepoint.org/DB/giba.php?agency_id=65060").read().decode()) | |
| ct = base64.b64decode(data.get("ct")) | |
| iv = bytes.fromhex(data.get("iv")) | |
| salt = bytes.fromhex(data.get("s")) | |
| # Build the password | |
| t = "" | |
| e = "CommonIncidents" | |
| t += e[13] + e[1] + e[2] + "brady" + "5" + "r" + e.lower()[6] + e[5] + "gs" | |
| # Calculate a key from the password | |
| hasher = hashlib.md5() | |
| key = b'' | |
| block = None | |
| while len(key) < 32: | |
| if block: | |
| hasher.update(block) | |
| hasher.update(t.encode()) | |
| hasher.update(salt) | |
| block = hasher.digest() | |
| hasher = hashlib.md5() | |
| key += block | |
| # Create a cipher and decrypt the data | |
| backend = default_backend() | |
| cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=backend) | |
| decryptor = cipher.decryptor() | |
| out = decryptor.update(ct) + decryptor.finalize() | |
| # Clean up output data | |
| out = out[1:out.rindex(b'"')].decode() # Strip off extra bytes and wrapper quotes | |
| out = out.replace(r'\"', r'"') # Un-escape quotes | |
| data = json.loads(out) | |
| active = data.get("incidents", {}).get("active", {}) | |
| [print("%s @ %s" % (c.get("PulsePointIncidentCallType"), c.get("FullDisplayAddress"))) for c in active] |
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