Refactor/networking (#2189)

* refactor networking and account

* add interfaces from manifest automatically

* use nistp256 to satisfy firefox

* use ed25519 if available

* fix ip signing

* fix SQL error

* update prettytable to fix segfault

* fix migration

* fix migration

* bump welcome-ack

* add redirect if connecting to https over http

* misc rebase fixes

* fix compression

* bump rustc version

backend/migrations/20230118185232_NetworkKeys.sql

@@ -0,0 +1,62 @@
+-- Add migration script here
+CREATE EXTENSION pgcrypto;
+
+ALTER TABLE
+    account
+ADD
+    COLUMN server_id TEXT,
+ADD
+    COLUMN hostname TEXT,
+ADD
+    COLUMN network_key BYTEA CHECK (length(network_key) = 32),
+ADD
+    COLUMN root_ca_key_pem TEXT,
+ADD
+    COLUMN root_ca_cert_pem TEXT;
+
+UPDATE
+    account
+SET
+    network_key = gen_random_bytes(32),
+    root_ca_key_pem = (
+        SELECT
+            priv_key_pem
+        FROM
+            certificates
+        WHERE
+            id = 0
+    ),
+    root_ca_cert_pem = (
+        SELECT
+            certificate_pem
+        FROM
+            certificates
+        WHERE
+            id = 0
+    )
+WHERE
+    id = 0;
+
+ALTER TABLE
+    account
+ALTER COLUMN
+    tor_key DROP NOT NULL,
+ALTER COLUMN
+    network_key
+SET
+    NOT NULL,
+ALTER COLUMN
+    root_ca_key_pem
+SET
+    NOT NULL,
+ALTER COLUMN
+    root_ca_cert_pem
+SET
+    NOT NULL;
+
+CREATE TABLE IF NOT EXISTS network_keys (
+    package TEXT NOT NULL,
+    interface TEXT NOT NULL,
+    key BYTEA NOT NULL CHECK (length(key) = 32),
+    PRIMARY KEY (package, interface)
+);