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proxmox/scripts/configure-cloudflare-waf-thirdweb-rule.sh
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2026-01-06 01:46:25 -08:00

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#!/usr/bin/env bash
# Configure Cloudflare WAF Rule to Allow Only ThirdWeb Traffic
# Usage: ./scripts/configure-cloudflare-waf-thirdweb-rule.sh
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
# Configuration
DOMAIN="defi-oracle.io"
ZONE_ID="${CLOUDFLARE_ZONE_ID_DEFI_ORACLE:-}"
ACCOUNT_ID="${CLOUDFLARE_ACCOUNT_ID:-}"
# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'
log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[✓]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
# Check for API token
if [[ -z "${CLOUDFLARE_API_TOKEN:-}" ]] && [[ -z "${CLOUDFLARE_API_KEY:-}" ]]; then
log_error "Cloudflare API credentials not found!"
echo ""
echo "Set one of:"
echo " export CLOUDFLARE_API_TOKEN=\"your-token\""
echo " OR"
echo " export CLOUDFLARE_API_KEY=\"your-key\""
echo " export CLOUDFLARE_EMAIL=\"your-email\""
echo ""
exit 1
fi
# Set up auth headers
if [[ -n "${CLOUDFLARE_API_TOKEN:-}" ]]; then
AUTH_HEADER="Authorization: Bearer ${CLOUDFLARE_API_TOKEN}"
elif [[ -n "${CLOUDFLARE_API_KEY:-}" ]] && [[ -n "${CLOUDFLARE_EMAIL:-}" ]]; then
AUTH_HEADER="X-Auth-Email: ${CLOUDFLARE_EMAIL}"
AUTH_KEY="X-Auth-Key: ${CLOUDFLARE_API_KEY}"
else
log_error "Incomplete credentials"
exit 1
fi
# Get Zone ID if not provided
if [[ -z "$ZONE_ID" ]]; then
log_info "Getting Zone ID for $DOMAIN..."
if [[ -n "${CLOUDFLARE_API_TOKEN:-}" ]]; then
ZONE_RESPONSE=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$DOMAIN" \
-H "Authorization: Bearer ${CLOUDFLARE_API_TOKEN}")
else
ZONE_RESPONSE=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$DOMAIN" \
-H "X-Auth-Email: ${CLOUDFLARE_EMAIL}" \
-H "X-Auth-Key: ${CLOUDFLARE_API_KEY}")
fi
ZONE_ID=$(echo "$ZONE_RESPONSE" | jq -r '.result[0].id // empty' 2>/dev/null || echo "")
if [[ -z "$ZONE_ID" ]] || [[ "$ZONE_ID" == "null" ]]; then
log_error "Failed to get Zone ID for $DOMAIN"
exit 1
fi
fi
log_success "Zone ID: $ZONE_ID"
# Create WAF rule to allow ThirdWeb
log_info "Creating WAF rule: Allow ThirdWeb Traffic..."
# Expression to match ThirdWeb domains
EXPRESSION='(http.request.headers["origin"][*] matches "https?://.*\\.thirdweb\\.com(/.*)?$" or http.request.headers["referer"][*] matches "https?://.*\\.thirdweb\\.com(/.*)?$")'
RULE_DATA=$(jq -n \
--arg description "Allow traffic from ThirdWeb domains only" \
--arg expression "$EXPRESSION" \
'{
action: "allow",
description: $description,
expression: $expression
}')
if [[ -n "${CLOUDFLARE_API_TOKEN:-}" ]]; then
RESPONSE=$(curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/firewall/rules" \
-H "Authorization: Bearer ${CLOUDFLARE_API_TOKEN}" \
-H "Content-Type: application/json" \
-d "$RULE_DATA")
else
RESPONSE=$(curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/firewall/rules" \
-H "X-Auth-Email: ${CLOUDFLARE_EMAIL}" \
-H "X-Auth-Key: ${CLOUDFLARE_API_KEY}" \
-H "Content-Type: application/json" \
-d "$RULE_DATA")
fi
if echo "$RESPONSE" | jq -e '.success' >/dev/null 2>&1; then
log_success "WAF rule created successfully"
RULE_ID=$(echo "$RESPONSE" | jq -r '.result.id // empty')
log_info "Rule ID: $RULE_ID"
else
log_error "Failed to create WAF rule"
echo "$RESPONSE" | jq -r '.errors[0].message // "Unknown error"' 2>/dev/null || echo "$RESPONSE"
exit 1
fi
echo ""
log_success "═══════════════════════════════════════════════════════════"
log_success " WAF RULE CONFIGURED"
log_success "═══════════════════════════════════════════════════════════"
echo ""
log_info "Note: You may also want to create a 'Block All Other' rule"
log_info " that blocks traffic not matching the ThirdWeb pattern"
echo ""
log_info "To create a block rule, go to Cloudflare Dashboard:"
log_info " Security → WAF → Custom Rules → Create rule"
log_info " Expression: (everything else)"
log_info " Action: Block"
echo ""