1 files changed, 78 insertions, 0 deletions
diff --git a/scripts/check-token b/scripts/check-token
new file mode 100644
index 0000000..40a3116
--- /dev/null
+++ b/scripts/check-token
@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+# check-token: Verify Claude OAuth token is valid against the Anthropic API.
+# Usage: check-token [--refresh] [--retry-task <id-prefix>]
+#   --refresh           re-authenticate via claude CLI if token is bad
+#   --retry-task <id>   after a successful token check/refresh, retry that task
+#
+# Exit codes: 0=valid, 1=expired/invalid, 2=credentials file missing
+
+set -euo pipefail
+
+CREDS="/root/.claude/.credentials.json"
+REFRESH=0
+RETRY_TASK=""
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --refresh) REFRESH=1; shift ;;
+    --retry-task) RETRY_TASK="$2"; shift 2 ;;
+    *) echo "Unknown arg: $1" >&2; exit 2 ;;
+  esac
+done
+
+if [[ ! -f "$CREDS" ]]; then
+  echo "ERROR: credentials file not found: $CREDS" >&2
+  exit 2
+fi
+
+ACCESS_TOKEN=$(python3 -c "
+import json, sys
+d = json.load(open('$CREDS'))
+tok = d.get('claudeAiOauth', {}).get('accessToken', '')
+if not tok:
+    print('MISSING', file=sys.stderr)
+    sys.exit(1)
+print(tok)
+")
+
+# Test token against the API with a minimal request
+HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" \
+  -X POST https://api.anthropic.com/v1/messages \
+  -H "anthropic-version: 2023-06-01" \
+  -H "anthropic-beta: oauth-2025-04-20" \
+  -H "Authorization: Bearer $ACCESS_TOKEN" \
+  -H "Content-Type: application/json" \
+  -d '{"model":"claude-haiku-4-5-20251001","max_tokens":1,"messages":[{"role":"user","content":"hi"}]}')
+
+if [[ "$HTTP_STATUS" == "200" ]]; then
+  echo "OK: token is valid (HTTP $HTTP_STATUS)"
+  if [[ -n "$RETRY_TASK" ]]; then
+    /workspace/claudomator/scripts/ct-task "$RETRY_TASK" retry
+  fi
+  exit 0
+elif [[ "$HTTP_STATUS" == "401" ]]; then
+  echo "EXPIRED: token rejected by API (HTTP 401)"
+  if [[ "$REFRESH" == "1" ]]; then
+    echo "Re-authenticating via claude CLI..."
+    claude --dangerously-skip-permissions /dev/null 2>&1 || true
+    # Check if creds were updated
+    NEW_TOKEN=$(python3 -c "import json; print(json.load(open('$CREDS')).get('claudeAiOauth',{}).get('accessToken',''))")
+    if [[ "$NEW_TOKEN" != "$ACCESS_TOKEN" ]]; then
+      echo "New token obtained. Syncing credentials..."
+      /workspace/claudomator/scripts/sync-credentials
+      if [[ -n "$RETRY_TASK" ]]; then
+        /workspace/claudomator/scripts/ct-task "$RETRY_TASK" retry
+      fi
+      exit 0
+    else
+      echo "Token unchanged — manual re-auth required: run 'claude' in a terminal" >&2
+      exit 1
+    fi
+  else
+    echo "Run: check-token --refresh  or re-authenticate via 'claude'" >&2
+    exit 1
+  fi
+else
+  echo "WARN: unexpected HTTP $HTTP_STATUS from API (token may still be valid)"
+  exit 1
+fi