add a export tool helper

tools/export.py

@@ -0,0 +1,74 @@
+"""
+Simple script to retrieve your accounts in case your system is broken:
+
+Update the db_path variable to point to the database and
+the output one to where you want the file to be saved
+
+the resulted file can be re-imported by any application accepting FreeOTP like backups
+which are a otp URI per line
+"""
+
+import sqlite3
+from gi import require_version
+
+require_version("Secret", "1")
+from gi.repository import Secret
+
+
+db_path = "/home/bilelmoussaoui/.var/app/com.belmoussaoui.Authenticator/data/authenticator/authenticator.db"
+output = "/home/bilelmoussaoui/output.text"
+
+
+db = sqlite3.connect(db_path)
+
+accounts = db.execute(
+    """
+    SELECT * FROM accounts
+    INNER JOIN providers ON accounts.provider_id = providers.id
+    """
+).fetchall()
+
+service = Secret.Service.get_sync(Secret.ServiceFlags.NONE, None)
+service.load_collections_sync(None)
+collections = service.get_collections()
+service.unlock_sync(collections, None)
+
+default_collection = list(filter(lambda x: x.get_label() == "Login", collections))[0]
+
+
+def get_token(token_id):
+
+    item = default_collection.search_sync(
+        None,
+        {
+            "type": "token",
+            "application": "com.belmoussaoui.Authenticator",
+            "token_id": token_id,
+        },
+        Secret.SearchFlags.NONE,
+        None,
+    )[0]
+    item.load_secret_sync(None)
+
+    return item.get_secret().get_text()
+
+
+accounts_otp_uri = []
+
+for account in accounts:
+    token_id = account[3]
+    token = get_token(token_id)
+    method = account[-1]
+
+    uri = f"otpauth://{method}/{account[1]}?secret={token}&issuer={account[6]}&algorithm={account[-2]}&digits={account[-5]}"
+
+    if method == "totp":
+        uri += f"&period={account[-4]}"
+    else:
+        uri += f"&counter={account[-3]}"
+    uri += "\n"
+
+    accounts_otp_uri.append(uri)
+
+with open(output, "w") as f:
+    f.writelines(accounts_otp_uri)