diff --git a/scripts/federation_client.py b/scripts/federation_client.py
deleted file mode 100644
index ea62dceb36..0000000000
--- a/scripts/federation_client.py
+++ /dev/null
@@ -1,146 +0,0 @@
-import nacl.signing
-import json
-import base64
-import requests
-import sys
-import srvlookup
-
-
-def encode_base64(input_bytes):
- """Encode bytes as a base64 string without any padding."""
-
- input_len = len(input_bytes)
- output_len = 4 * ((input_len + 2) // 3) + (input_len + 2) % 3 - 2
- output_bytes = base64.b64encode(input_bytes)
- output_string = output_bytes[:output_len].decode("ascii")
- return output_string
-
-
-def decode_base64(input_string):
- """Decode a base64 string to bytes inferring padding from the length of the
- string."""
-
- input_bytes = input_string.encode("ascii")
- input_len = len(input_bytes)
- padding = b"=" * (3 - ((input_len + 3) % 4))
- output_len = 3 * ((input_len + 2) // 4) + (input_len + 2) % 4 - 2
- output_bytes = base64.b64decode(input_bytes + padding)
- return output_bytes[:output_len]
-
-
-def encode_canonical_json(value):
- return json.dumps(
- value,
- # Encode code-points outside of ASCII as UTF-8 rather than \u escapes
- ensure_ascii=False,
- # Remove unecessary white space.
- separators=(',',':'),
- # Sort the keys of dictionaries.
- sort_keys=True,
- # Encode the resulting unicode as UTF-8 bytes.
- ).encode("UTF-8")
-
-
-def sign_json(json_object, signing_key, signing_name):
- signatures = json_object.pop("signatures", {})
- unsigned = json_object.pop("unsigned", None)
-
- signed = signing_key.sign(encode_canonical_json(json_object))
- signature_base64 = encode_base64(signed.signature)
-
- key_id = "%s:%s" % (signing_key.alg, signing_key.version)
- signatures.setdefault(signing_name, {})[key_id] = signature_base64
-
- json_object["signatures"] = signatures
- if unsigned is not None:
- json_object["unsigned"] = unsigned
-
- return json_object
-
-
-NACL_ED25519 = "ed25519"
-
-def decode_signing_key_base64(algorithm, version, key_base64):
- """Decode a base64 encoded signing key
- Args:
- algorithm (str): The algorithm the key is for (currently "ed25519").
- version (str): Identifies this key out of the keys for this entity.
- key_base64 (str): Base64 encoded bytes of the key.
- Returns:
- A SigningKey object.
- """
- if algorithm == NACL_ED25519:
- key_bytes = decode_base64(key_base64)
- key = nacl.signing.SigningKey(key_bytes)
- key.version = version
- key.alg = NACL_ED25519
- return key
- else:
- raise ValueError("Unsupported algorithm %s" % (algorithm,))
-
-
-def read_signing_keys(stream):
- """Reads a list of keys from a stream
- Args:
- stream : A stream to iterate for keys.
- Returns:
- list of SigningKey objects.
- """
- keys = []
- for line in stream:
- algorithm, version, key_base64 = line.split()
- keys.append(decode_signing_key_base64(algorithm, version, key_base64))
- return keys
-
-
-def lookup(destination, path):
- if ":" in destination:
- return "https://%s%s" % (destination, path)
- else:
- try:
- srv = srvlookup.lookup("matrix", "tcp", destination)[0]
- return "https://%s:%d%s" % (srv.host, srv.port, path)
- except:
- return "https://%s:%d%s" % (destination, 8448, path)
-
-def get_json(origin_name, origin_key, destination, path):
- request_json = {
- "method": "GET",
- "uri": path,
- "origin": origin_name,
- "destination": destination,
- }
-
- signed_json = sign_json(request_json, origin_key, origin_name)
-
- authorization_headers = []
-
- for key, sig in signed_json["signatures"][origin_name].items():
- authorization_headers.append(bytes(
- "X-Matrix origin=%s,key=\"%s\",sig=\"%s\"" % (
- origin_name, key, sig,
- )
- ))
-
- result = requests.get(
- lookup(destination, path),
- headers={"Authorization": authorization_headers[0]},
- verify=False,
- )
- return result.json()
-
-
-def main():
- origin_name, keyfile, destination, path = sys.argv[1:]
-
- with open(keyfile) as f:
- key = read_signing_keys(f)[0]
-
- result = get_json(
- origin_name, key, destination, "/_matrix/federation/v1/" + path
- )
-
- json.dump(result, sys.stdout)
-
-if __name__ == "__main__":
- main()
|
