vpn 세팅 스크립트 수정 9

connect-vpn/action.yml

@@ -136,7 +136,7 @@ runs:
         trap cleanup EXIT
 
         totp() {
-          python3 - "$OTP_SEED" "$OTP_SEED_FORMAT" <<'PY'
+          python3 - "$OTP_SEED" "$OTP_SEED_FORMAT" "${1:-0}" <<'PY'
         import base64
         import hashlib
         import hmac
@@ -144,7 +144,7 @@ runs:
         import sys
         import time
 
-        seed, fmt = sys.argv[1], sys.argv[2]
+        seed, fmt, offset_windows = sys.argv[1], sys.argv[2], int(sys.argv[3])
         seed = "".join(seed.split())
 
         def decode_base32(value):
@@ -169,7 +169,7 @@ runs:
         else:
             raise SystemExit(f"잘못된 otp-seed-format: {fmt}")
 
-        counter = int(time.time() // 30)
+        counter = int(time.time() // 30) + offset_windows
         digest = hmac.new(raw, struct.pack(">Q", counter), hashlib.sha1).digest()
         offset = digest[-1] & 0x0f
         code = (struct.unpack(">I", digest[offset:offset + 4])[0] & 0x7fffffff) % 1000000
@@ -215,22 +215,27 @@ runs:
           exit 1
         fi
 
-        while [ $(( $(date +%s) % 30 )) -gt 22 ]; do
-          sleep 1
-        done
-
-        curl_common -L -b "$COOKIE_JAR" -c "$COOKIE_JAR" \
-          -X POST "$VPN_HOST/my.policy" \
-          --data-urlencode "ga_code_attempt=$(totp)" \
-          --data-urlencode "vhost=standard" \
-          -o "$WORKDIR/03-webtop.html"
-
         host_no_scheme="${VPN_HOST#https://}"
         host_no_scheme="${host_no_scheme#http://}"
         host_no_scheme="${host_no_scheme%%/*}"
         webtop_path="/vdesk/webtop.eui?z=$RESOURCE_NAME&webtop=/Common/dw_webtop&webtop_type=webtop_na_only"
 
         TOKEN_HEADERS="$WORKDIR/04-token.headers"
+        otc=""
+        while [ $(( $(date +%s) % 30 )) -gt 22 ]; do
+          sleep 1
+        done
+
+        for otp_offset in 0 -1 1; do
+          echo "OTP 제출 시도 (time-window offset=${otp_offset})"
+          rm -f "$TOKEN_HEADERS" "$WORKDIR/04-token.body"
+
+          curl_common -L -b "$COOKIE_JAR" -c "$COOKIE_JAR" \
+            -X POST "$VPN_HOST/my.policy" \
+            --data-urlencode "ga_code_attempt=$(totp "$otp_offset")" \
+            --data-urlencode "vhost=standard" \
+            -o "$WORKDIR/03-webtop-${otp_offset}.html"
+
           curl_common -b "$COOKIE_JAR" -c "$COOKIE_JAR" \
             -D "$TOKEN_HEADERS" \
             -H "X-Requested-With: XMLHttpRequest" \
@@ -243,9 +248,20 @@ runs:
             awk 'BEGIN{IGNORECASE=1} /^X-ACCESS-Session-Token:/ { sub(/\r$/, ""); print substr($0, index($0, ":") + 2) }' "$TOKEN_HEADERS" |
             tail -n 1
           )"
+          if [ -n "$otc" ]; then
+            break
+          fi
+
+          if ! grep -q "ga_code_attempt" "$WORKDIR/03-webtop-${otp_offset}.html"; then
+            break
+          fi
+        done
+
         if [ -z "$otc" ]; then
           echo "F5 session token 획득 실패"
-          summarize_html "$WORKDIR/03-webtop.html"
+          for page in "$WORKDIR"/03-webtop-*.html; do
+            summarize_html "$page"
+          done
           summarize_html "$WORKDIR/04-token.body"
           exit 1
         fi