[libeufin] branch master updated: Extend python CLI to ask and restore keys backup.

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marcello pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new e4efa2e  Extend python CLI to ask and restore keys backup.
e4efa2e is described below

commit e4efa2e778a29c2534589820a51d866e5ad5f0a6
Author: Marcello Stanisci <address@hidden>
AuthorDate: Fri Nov 22 03:31:46 2019 +0100

    Extend python CLI to ask and restore keys backup.
---
 sandbox/src/main/python/libeufin-cli | 82 +++++++++++++++++++++++++++++++++++-
 1 file changed, 81 insertions(+), 1 deletion(-)

diff --git a/sandbox/src/main/python/libeufin-cli 
b/sandbox/src/main/python/libeufin-cli
index 5c7404b..af9d1f1 100755
--- a/sandbox/src/main/python/libeufin-cli
+++ b/sandbox/src/main/python/libeufin-cli
@@ -2,12 +2,14 @@
 
 import os
 import click
+import json
 import hashlib
 import errno
 from datetime import datetime
-from requests import post, get
+from requests import post, get, put
 from Crypto.PublicKey import RSA 
 from urllib.parse import urljoin
+from getpass import getpass
 
 @click.group()
 @click.option(
@@ -21,6 +23,84 @@ def cli(ctx, base_url):
 def ebics():
     pass
 
+
+@ebics.command(help="Restore private keys backup.")
+@click.pass_obj
+@click.option(
+    "--customer-id",
+    help="numerical ID of the customer at the Nexus",
+    required=False,
+    default=1)
+@click.option(
+    "--backup-file",
+    help="File where the backup is stored",
+    required=False,
+    default="/tmp/backup.json")
+def restore(obj, customer_id, backup_file):
+    try:
+        backup = open(backup_file, "r")
+    except Exception:
+        print("Could not open the backup at {}".format(backup_file))
+        return
+
+    backup_json = json.loads(backup.read())
+    backup.close()
+    passphrase = getpass("Passphrase: ")
+    backup_json["passphrase"] = passphrase
+
+    url = urljoin(obj["base_url"], 
"/ebics/subscribers/{}/restoreBackup".format(customer_id))
+
+    try:
+        response = post(url, json=backup_json)
+    except Exception:
+        print("Could not reach the bank")
+        return
+
+    if response.status_code != 200:
+        print("Unsuccessful status code gotten: 
{}".format(response.status_code))
+        return
+
+    print("Keys successfully restored")
+
+
+@ebics.command(help="Obtain passphrase-protected private keys")
+@click.pass_obj
+@click.option(
+    "--customer-id",
+    help="numerical ID of the customer at the Nexus",
+    required=False,
+    default=1)
+@click.option(
+    "--output-file",
+    help="File that will store the backup",
+    required=False,
+    default="/tmp/backup.json")
+def backup(obj, customer_id, output_file):
+    passphrase = getpass("Passphrase: ")
+    passphrase_again = getpass("Passphrase (again): ")
+
+    if passphrase != passphrase_again:
+        print("Passphrase differs, exiting.")
+        return
+
+    url = urljoin(obj["base_url"], 
"/ebics/subscribers/{}/backup".format(customer_id))
+
+    try:
+        response = put(url, json=dict(passphrase=passphrase))
+    except Exception:
+        print("Could not reach the bank")
+        return
+
+    if response.status_code != 200:
+        print("Unsuccessful status code gotten: 
{}".format(response.status_code))
+        return
+    
+    output = open(output_file, "w+")
+    output.write(response.text)
+    output.close()
+
+    print("Backup stored in {}".format(output_file))
+
 @ebics.command(help="send INI message")
 @click.pass_obj
 @click.option(

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