|
| 1 | +name: Test Proxy |
| 2 | + |
| 3 | +on: |
| 4 | + push: |
| 5 | + branches: |
| 6 | + - main |
| 7 | + paths-ignore: |
| 8 | + - '**.md' |
| 9 | + pull_request: |
| 10 | + paths-ignore: |
| 11 | + - '**.md' |
| 12 | + |
| 13 | +permissions: |
| 14 | + contents: read |
| 15 | + |
| 16 | +jobs: |
| 17 | + # End to end upload with proxy |
| 18 | + test-proxy-upload: |
| 19 | + runs-on: ubuntu-latest |
| 20 | + container: |
| 21 | + image: ubuntu:latest |
| 22 | + options: --cap-add=NET_ADMIN |
| 23 | + services: |
| 24 | + squid-proxy: |
| 25 | + image: ubuntu/squid:latest |
| 26 | + ports: |
| 27 | + - 3128:3128 |
| 28 | + env: |
| 29 | + http_proxy: http://squid-proxy:3128 |
| 30 | + https_proxy: http://squid-proxy:3128 |
| 31 | + steps: |
| 32 | + - name: Wait for proxy to be ready |
| 33 | + shell: bash |
| 34 | + run: | |
| 35 | + echo "Waiting for squid proxy to be ready..." |
| 36 | + echo "Resolving squid-proxy hostname:" |
| 37 | + getent hosts squid-proxy || echo "DNS resolution failed" |
| 38 | + for i in $(seq 1 30); do |
| 39 | + if (echo > /dev/tcp/squid-proxy/3128) 2>/dev/null; then |
| 40 | + echo "Proxy is ready!" |
| 41 | + exit 0 |
| 42 | + fi |
| 43 | + echo "Attempt $i: Proxy not ready, waiting..." |
| 44 | + sleep 2 |
| 45 | + done |
| 46 | + echo "Proxy failed to become ready" |
| 47 | + exit 1 |
| 48 | + env: |
| 49 | + http_proxy: "" |
| 50 | + https_proxy: "" |
| 51 | + - name: Install dependencies |
| 52 | + run: | |
| 53 | + apt-get update |
| 54 | + apt-get install -y iptables curl |
| 55 | + - name: Verify proxy is working |
| 56 | + run: | |
| 57 | + echo "Testing proxy connectivity..." |
| 58 | + curl -s -o /dev/null -w "%{http_code}" --proxy http://squid-proxy:3128 http://github.com || true |
| 59 | + echo "Proxy verification complete" |
| 60 | + - name: Block direct traffic (enforce proxy usage) |
| 61 | + run: | |
| 62 | + # Get the squid-proxy container IP |
| 63 | + PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }') |
| 64 | + echo "Proxy IP: $PROXY_IP" |
| 65 | + |
| 66 | + # Allow loopback traffic |
| 67 | + iptables -A OUTPUT -o lo -j ACCEPT |
| 68 | + |
| 69 | + # Allow traffic to the proxy container |
| 70 | + iptables -A OUTPUT -d $PROXY_IP -j ACCEPT |
| 71 | + |
| 72 | + # Allow established connections |
| 73 | + iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT |
| 74 | + |
| 75 | + # Allow DNS (needed for initial resolution) |
| 76 | + iptables -A OUTPUT -p udp --dport 53 -j ACCEPT |
| 77 | + iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT |
| 78 | + |
| 79 | + # Block all other outbound traffic (HTTP/HTTPS) |
| 80 | + iptables -A OUTPUT -p tcp --dport 80 -j REJECT |
| 81 | + iptables -A OUTPUT -p tcp --dport 443 -j REJECT |
| 82 | + |
| 83 | + # Log the iptables rules for debugging |
| 84 | + iptables -L -v -n |
| 85 | + - name: Verify direct HTTPS is blocked |
| 86 | + run: | |
| 87 | + echo "Testing that direct HTTPS requests fail..." |
| 88 | + if curl --noproxy '*' -s --connect-timeout 5 https://github.com > /dev/null 2>&1; then |
| 89 | + echo "ERROR: Direct HTTPS request succeeded - blocking is not working!" |
| 90 | + exit 1 |
| 91 | + else |
| 92 | + echo "SUCCESS: Direct HTTPS request was blocked as expected" |
| 93 | + fi |
| 94 | + |
| 95 | + echo "Testing that HTTPS through proxy succeeds..." |
| 96 | + if curl --proxy http://squid-proxy:3128 -s --connect-timeout 10 https://github.com > /dev/null 2>&1; then |
| 97 | + echo "SUCCESS: HTTPS request through proxy succeeded" |
| 98 | + else |
| 99 | + echo "ERROR: HTTPS request through proxy failed!" |
| 100 | + exit 1 |
| 101 | + fi |
| 102 | + - name: Checkout |
| 103 | + uses: actions/checkout@v4 |
| 104 | + - name: Create artifact file |
| 105 | + run: | |
| 106 | + mkdir -p test-artifacts |
| 107 | + echo "Proxy test artifact - $GITHUB_RUN_ID" > test-artifacts/proxy-test.txt |
| 108 | + echo "Random data: $RANDOM $RANDOM $RANDOM" >> test-artifacts/proxy-test.txt |
| 109 | + cat test-artifacts/proxy-test.txt |
| 110 | + - name: Upload artifact through proxy |
| 111 | + uses: ./ |
| 112 | + with: |
| 113 | + name: 'Proxy-Test-Artifact-${{ github.run_id }}' |
| 114 | + path: test-artifacts/proxy-test.txt |
0 commit comments