add tricount extraction scripts

scripts/tricount_clean.jq

@@ -0,0 +1,35 @@
+def clean_user:
+  .RegistryMembershipNonUser |
+  { id, name: .alias.display_name };
+
+.Response[0].Registry |
+{
+  title,
+  created_at: .created,
+  updated_at: .updated,
+  tricount_id: .public_identifier_token,
+  id,
+  members: [ .memberships.[] | clean_user ],
+  bills: [
+    .all_registry_entry.[].RegistryEntry |
+    {
+      id,
+      amount: .amount.value | tonumber,
+      created_by: .membership_created | clean_user,
+      payed_by: .membership_owned | clean_user,
+      created_at: .created,
+      updated_at: .updated,
+      payed_at: .date,
+      descr: .description,
+      alloc: [
+        .allocations.[] |
+        {
+          ower: .membership | clean_user,
+          weight: .share_ratio,
+          amount: .amount.value | tonumber,
+        }
+      ],
+      kind: .type_transaction,
+    }
+  ]
+}

scripts/tricount_pull.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import uuid
+import sys
+
+import requests
+from Crypto.PublicKey import RSA
+
+if len(sys.argv) != 2:
+    print('usage: %s TRICOUNT_ID' % sys.argv[0])
+    sys.exit(1)
+tricount_id = sys.argv[1]
+
+API_URL = 'https://api.tricount.bunq.com/'
+
+## generate random auth BS
+
+app_id = str(uuid.uuid4())
+rsa_pk = RSA.generate(2048).public_key().export_key().decode('utf-8')
+
+s = requests.Session()
+s.headers['User-Agent'] = 'com.bunq.tricount.android:RELEASE:7.0.7:3174:ANDROID:13:C'
+s.headers['app-id'] = app_id
+# apparently this can be any uuid4
+s.headers['X-Bunq-Client-Request-Id'] = '049bfcdf-6ae4-4cee-af7b-45da31ea85d0'
+
+auth_resp = s.post(
+        f'{API_URL}v1/session-registry-installation',
+        json={'app_installation_uuid': app_id,
+              'client_public_key': rsa_pk,
+              'device_description': 'Android'})
+
+auth_info = {k: v for x in auth_resp.json()['Response'] for (k, v) in x.items()}
+user_id = auth_info['UserPerson']['id']
+
+s.headers['X-Bunq-Client-Authentication'] = auth_info['Token']['token']
+
+## get the data
+
+resp = s.get(f'{API_URL}/v1/user/{user_id}/registry?public_identifier_token={tricount_id}')
+sys.stdout.write(resp.text)