apply patches from the old upstream and cleanup

Signed-off-by: ngn <ngn@ngn.tf>

src/nitter.nim

@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 import asyncdispatch, strformat, logging
-import config
 from net import Port
 from htmlgen import a
 from os import getEnv
@@ -13,7 +12,13 @@ import routes/[
   preferences, timeline, status, media, search, rss, list, debug,
   unsupported, embed, resolver, router_utils]
 
-initAccountPool(cfg)
+let
+  configPath = getEnv("NITTER_CONF_FILE", "./nitter.conf")
+  (cfg, fullCfg) = getConfig(configPath)
+
+  sessionsPath = getEnv("NITTER_SESSIONS_FILE", "./sessions.jsonl")
+
+initSessionPool(cfg, sessionsPath)
 
 if not cfg.enableDebug:
   # Silence Jester's query warning
@@ -66,7 +71,7 @@ routes:
 
   error InternalError:
     echo error.exc.name, ": ", error.exc.msg
-    const link = a("https://git.ngn.tf/ngn/nitter", href = "https://git.ngn.tf/ngn/nitter")
+    const link = a("ngn@ngn.tf", href = "mailto:ngn@ngn.tf")
     resp Http500, showError(
       &"An error occurred, please report to {link}", cfg)
 
@@ -78,6 +83,11 @@ routes:
     resp Http429, showError(
       &"Instance has been rate limited.", cfg)
 
+  error NoSessionsError:
+    const link = a("another instance", href = instancesUrl)
+    resp Http429, showError(
+      &"Instance has no auth tokens, or is fully rate limited.<br>Use {link} or try again later.", cfg)
+
   extend rss, ""
   extend status, ""
   extend search, ""