fix: shadowsocks method in database

app/db/migrations/versions/08b381fc1bc7_update_shadowsocks_method.py

@@ -0,0 +1,40 @@
+"""update_shadowsocks_method
+
+Revision ID: 08b381fc1bc7
+Revises: 0f720f5c54dd
+Create Date: 2023-11-03 13:41:57.120379
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import json
+
+# revision identifiers, used by Alembic.
+revision = '08b381fc1bc7'
+down_revision = '0f720f5c54dd'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    bind = op.get_bind()
+    q = bind.execute("SELECT id, settings FROM proxies WHERE type = 'Shadowsocks';")
+    proxies = q.fetchall()
+    for pid, settings in proxies:
+        settings = json.loads(settings)
+        if settings.get('method') == 'chacha20-poly1305':
+            new_settings = settings.copy()
+            new_settings['method'] = 'chacha20-ietf-poly1305'
+            bind.execute(f"UPDATE proxies SET settings = '{json.dumps(new_settings)}' WHERE id = {pid}")
+
+
+def downgrade() -> None:
+    bind = op.get_bind()
+    q = bind.execute("SELECT id, settings FROM proxies WHERE type = 'Shadowsocks';")
+    proxies = q.fetchall()
+    for pid, settings in proxies:
+        settings = json.loads(settings)
+        if settings.get('method') == 'chacha20-ietf-poly1305':
+            new_settings = settings.copy()
+            new_settings['method'] = 'chacha20-poly1305'
+            bind.execute(f"UPDATE proxies SET settings = '{json.dumps(new_settings)}' WHERE id = {pid}")