Use wernight/squid (permissive proxy) and fix verification tests

- Switch from ubuntu/squid to wernight/squid which allows all HTTPS CONNECT - Fix verification tests to explicitly use -x flag to prove proxy works - Tests now verify: 1. Proxy accepts and forwards requests (using curl -x) 2. Direct blob storage access is blocked by iptables 3. Blob storage access through proxy succeeds The cache action should now fail because it doesn't use the proxy, not because the proxy rejects the connection.
Add explicit iptables rules to block blob storage IPs
2026-04-08 15:48:20 +01:00 · 2026-01-29 09:41:44 -08:00 · 2026-01-29 09:31:15 -08:00 · 2026-01-29 09:27:29 -08:00 · 2026-01-29 09:22:42 -08:00 · 2026-01-29 09:20:18 -08:00
4 changed files with 602 additions and 443 deletions
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -90,187 +90,359 @@ jobs:
    runs-on: ubuntu-latest
    container:
      image: ubuntu:latest
-      options: --cap-add=NET_ADMIN
+      options: --privileged
    services:
      squid-proxy:
-        image: ubuntu/squid:latest
+        image: wernight/squid
        ports:
          - 3128:3128
-    env:
-      http_proxy: http://squid-proxy:3128
-      https_proxy: http://squid-proxy:3128
    steps:
-    - name: Wait for proxy to be ready
-      shell: bash
-      run: |
-        echo "Waiting for squid proxy to be ready..."
-        echo "Resolving squid-proxy hostname:"
-        getent hosts squid-proxy || echo "DNS resolution failed"
-        for i in $(seq 1 30); do
-          if (echo > /dev/tcp/squid-proxy/3128) 2>/dev/null; then
-            echo "Proxy is ready!"
-            exit 0
-          fi
-          echo "Attempt $i: Proxy not ready, waiting..."
-          sleep 2
-        done
-        echo "Proxy failed to become ready"
-        exit 1
-      env:
-        http_proxy: ""
-        https_proxy: ""
+    - name: Checkout
+      uses: actions/checkout@v5
    - name: Install dependencies
      run: |
        apt-get update
-        apt-get install -y iptables curl
-    - name: Verify proxy is working
+        apt-get install -y iptables dnsutils curl jq ipset
+    - name: Fetch GitHub meta and configure firewall
      run: |
-        echo "Testing proxy connectivity..."
-        curl -s -o /dev/null -w "%{http_code}" --proxy http://squid-proxy:3128 http://github.com || true
-        echo "Proxy verification complete"
-    - name: Block direct traffic (enforce proxy usage)
-      run: |
-        # Get the squid-proxy container IP
-        PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }')
-        echo "Proxy IP: $PROXY_IP"
-        
-        # Allow loopback traffic
-        iptables -A OUTPUT -o lo -j ACCEPT
-        
-        # Allow traffic to the proxy container
-        iptables -A OUTPUT -d $PROXY_IP -j ACCEPT
-        
+        # Fetch GitHub meta API to get all IP ranges
+        echo "Fetching GitHub meta API..."
+        curl -sS https://api.github.com/meta > /tmp/github-meta.json
+
+        # Wait for squid-proxy service to be resolvable and accepting connections
+        echo "Waiting for squid-proxy service..."
+        for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+          PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }')
+          if [ -n "$PROXY_IP" ]; then
+            echo "squid-proxy resolved to: $PROXY_IP"
+            # Test that proxy is actually accepting connections
+            if curl --connect-timeout 2 --max-time 5 -x http://squid-proxy:3128 -sS https://api.github.com/zen 2>/dev/null; then
+              echo "Proxy is working!"
+              break
+            else
+              echo "Attempt $i: Proxy resolved but not ready yet, waiting..."
+            fi
+          else
+            echo "Attempt $i: squid-proxy not resolvable yet, waiting..."
+          fi
+          sleep 2
+        done
+
+        if [ -z "$PROXY_IP" ]; then
+          echo "ERROR: Could not resolve squid-proxy after 15 attempts"
+          exit 1
+        fi
+
+        # Verify proxy works before locking down firewall
+        echo "Final proxy connectivity test..."
+        if ! curl --connect-timeout 5 --max-time 10 -x http://squid-proxy:3128 -sS https://api.github.com/zen; then
+          echo "ERROR: Proxy is not working properly"
+          exit 1
+        fi
+        echo "Proxy verified working!"
+
        # Allow established connections
        iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-        
-        # Allow DNS (needed for initial resolution)
+
+        # Allow loopback
+        iptables -A OUTPUT -o lo -j ACCEPT
+
+        # Allow connections to the proxy
+        iptables -A OUTPUT -d $PROXY_IP -p tcp --dport 3128 -j ACCEPT
+
+        # Allow DNS
        iptables -A OUTPUT -p udp --dport 53 -j ACCEPT
        iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT
-        
-        # Block all other outbound traffic (HTTP/HTTPS)
+
+        # Create ipset for GitHub IPs (more efficient than individual rules)
+        ipset create github-ips hash:net
+
+        # Add all GitHub IP ranges from meta API (hooks, web, api, git, actions, etc.)
+        # EXCLUDING blob storage which must go through proxy
+        for category in hooks web api git pages importer actions actions_macos codespaces copilot; do
+          echo "Adding IPs for category: $category"
+          jq -r ".${category}[]? // empty" /tmp/github-meta.json 2>/dev/null | while read cidr; do
+            # Skip IPv6 for now (iptables vs ip6tables) - use case for POSIX compatibility
+            case "$cidr" in
+              *:*) ;; # IPv6, skip
+              *) ipset add github-ips "$cidr" 2>/dev/null || true ;;
+            esac
+          done
+        done
+
+        # Allow all GitHub IPs
+        iptables -A OUTPUT -m set --match-set github-ips dst -p tcp --dport 443 -j ACCEPT
+        iptables -A OUTPUT -m set --match-set github-ips dst -p tcp --dport 80 -j ACCEPT
+
+        # CRITICAL: Block direct access to blob storage and results-receiver
+        # These MUST go through the proxy for cache operations
+        echo "Blocking direct access to cache-critical endpoints..."
+
+        # Block results-receiver.actions.githubusercontent.com
+        for ip in $(getent ahosts "results-receiver.actions.githubusercontent.com" 2>/dev/null | awk '{print $1}' | sort -u); do
+          echo "Blocking direct access to results-receiver: $ip"
+          iptables -I OUTPUT 1 -d "$ip" -p tcp --dport 443 -j REJECT
+        done
+
+        # Block blob.core.windows.net (Azure blob storage used for cache)
+        for host in productionresultssa0.blob.core.windows.net productionresultssa1.blob.core.windows.net productionresultssa2.blob.core.windows.net productionresultssa3.blob.core.windows.net; do
+          for ip in $(getent ahosts "$host" 2>/dev/null | awk '{print $1}' | sort -u); do
+            echo "Blocking direct access to blob storage ($host): $ip"
+            iptables -I OUTPUT 1 -d "$ip" -p tcp --dport 443 -j REJECT
+          done
+        done
+
+        # Block all other outbound HTTP/HTTPS traffic
        iptables -A OUTPUT -p tcp --dport 80 -j REJECT
        iptables -A OUTPUT -p tcp --dport 443 -j REJECT
-        
-        # Log the iptables rules for debugging
-        iptables -L -v -n
-    - name: Verify direct HTTPS is blocked
+
+        echo "iptables rules applied:"
+        iptables -L OUTPUT -n -v
+        echo ""
+        echo "ipset github-ips contains $(ipset list github-ips | grep -c '^[0-9]') entries"
+    - name: Verify proxy enforcement
      run: |
-        echo "Testing that direct HTTPS requests fail..."
-        if curl --noproxy '*' -s --connect-timeout 5 https://github.com > /dev/null 2>&1; then
-          echo "ERROR: Direct HTTPS request succeeded - blocking is not working!"
+        echo "=== Testing proxy enforcement ==="
+
+        # Test 1: Verify proxy is working by explicitly using it
+        echo "Test 1: Connection through proxy (should SUCCEED)"
+        if curl --connect-timeout 10 --max-time 15 -x http://squid-proxy:3128 -sS -o /dev/null -w "%{http_code}" https://api.github.com/zen; then
+          echo ""
+          echo "✓ Proxy connection works"
+        else
+          echo "✗ ERROR: Proxy is not working!"
+          exit 1
+        fi
+
+        # Test 2: Direct connection to blob storage should FAIL (blocked by iptables)
+        echo ""
+        echo "Test 2: Direct connection to blob storage (should FAIL - blocked by iptables)"
+        if curl --connect-timeout 5 --max-time 10 --noproxy '*' -sS https://productionresultssa0.blob.core.windows.net 2>/dev/null; then
+          echo "✗ ERROR: Direct blob storage connection succeeded but should have been blocked!"
          exit 1
        else
-          echo "SUCCESS: Direct HTTPS request was blocked as expected"
+          echo "✓ Direct blob storage correctly blocked by iptables"
+        fi
+
+        # Test 3: Connection to blob storage THROUGH proxy should work
+        echo ""
+        echo "Test 3: Connection through proxy to blob storage (should SUCCEED)"
+        HTTP_CODE=$(curl --connect-timeout 10 --max-time 15 -x http://squid-proxy:3128 -sS -o /dev/null -w "%{http_code}" https://productionresultssa0.blob.core.windows.net 2>&1) || true
+        echo "HTTP response code: $HTTP_CODE"
+        if [ "$HTTP_CODE" = "400" ] || [ "$HTTP_CODE" = "409" ] || [ "$HTTP_CODE" = "200" ]; then
+          echo "✓ Proxy successfully forwarded request to blob storage (got HTTP $HTTP_CODE)"
+        else
+          echo "✗ ERROR: Proxy failed to forward request (got: $HTTP_CODE)"
+          exit 1
        fi
        
-        echo "Testing that HTTPS through proxy succeeds..."
-        if curl --proxy http://squid-proxy:3128 -s --connect-timeout 10 https://github.com > /dev/null 2>&1; then
-          echo "SUCCESS: HTTPS request through proxy succeeded"
-        else
-          echo "ERROR: HTTPS request through proxy failed!"
-          exit 1
-        fi
-    - name: Checkout
-      uses: actions/checkout@v5
+        echo ""
+        echo "=== All proxy enforcement tests passed ==="
+        echo "The proxy is working. If cache operations fail, it's because the action doesn't use the proxy."
    - name: Generate files
      run: __tests__/create-cache-files.sh proxy test-cache
    - name: Save cache
+      env:
+        http_proxy: http://squid-proxy:3128
+        https_proxy: http://squid-proxy:3128
      uses: ./
      with:
        key: test-proxy-${{ github.run_id }}
        path: test-cache
+    - name: Verify proxy setup
+      run: |
+        echo "## 🔒 Proxy Integration Test - Cache Save" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "### ✅ Test Configuration" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "- **Proxy**: squid-proxy:3128" >> $GITHUB_STEP_SUMMARY
+        echo "- **Firewall**: iptables blocking direct access to cache endpoints" >> $GITHUB_STEP_SUMMARY
+        echo "- **Test**: Cache save operation completed successfully through proxy" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "If the cache save step succeeded, it means:" >> $GITHUB_STEP_SUMMARY
+        echo "1. Direct access to results-receiver.actions.githubusercontent.com was blocked" >> $GITHUB_STEP_SUMMARY
+        echo "2. Direct access to *.blob.core.windows.net was blocked" >> $GITHUB_STEP_SUMMARY  
+        echo "3. Cache operations were routed through the squid proxy" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "✅ **SUCCESS**: Proxy integration test passed!" >> $GITHUB_STEP_SUMMARY

  test-proxy-restore:
    needs: test-proxy-save
    runs-on: ubuntu-latest
    container:
      image: ubuntu:latest
-      options: --cap-add=NET_ADMIN
+      options: --privileged
    services:
      squid-proxy:
-        image: ubuntu/squid:latest
+        image: wernight/squid
        ports:
          - 3128:3128
-    env:
-      http_proxy: http://squid-proxy:3128
-      https_proxy: http://squid-proxy:3128
    steps:
-    - name: Wait for proxy to be ready
-      shell: bash
-      run: |
-        echo "Waiting for squid proxy to be ready..."
-        echo "Resolving squid-proxy hostname:"
-        getent hosts squid-proxy || echo "DNS resolution failed"
-        for i in $(seq 1 30); do
-          if (echo > /dev/tcp/squid-proxy/3128) 2>/dev/null; then
-            echo "Proxy is ready!"
-            exit 0
-          fi
-          echo "Attempt $i: Proxy not ready, waiting..."
-          sleep 2
-        done
-        echo "Proxy failed to become ready"
-        exit 1
-      env:
-        http_proxy: ""
-        https_proxy: ""
+    - name: Checkout
+      uses: actions/checkout@v5
    - name: Install dependencies
      run: |
        apt-get update
-        apt-get install -y iptables curl
-    - name: Verify proxy is working
+        apt-get install -y iptables dnsutils curl jq ipset
+    - name: Fetch GitHub meta and configure firewall
      run: |
-        echo "Testing proxy connectivity..."
-        curl -s -o /dev/null -w "%{http_code}" --proxy http://squid-proxy:3128 http://github.com || true
-        echo "Proxy verification complete"
-    - name: Block direct traffic (enforce proxy usage)
-      run: |
-        # Get the squid-proxy container IP
-        PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }')
-        echo "Proxy IP: $PROXY_IP"
-        
-        # Allow loopback traffic
-        iptables -A OUTPUT -o lo -j ACCEPT
-        
-        # Allow traffic to the proxy container
-        iptables -A OUTPUT -d $PROXY_IP -j ACCEPT
-        
+        # Fetch GitHub meta API to get all IP ranges
+        echo "Fetching GitHub meta API..."
+        curl -sS https://api.github.com/meta > /tmp/github-meta.json
+
+        # Wait for squid-proxy service to be resolvable and accepting connections
+        echo "Waiting for squid-proxy service..."
+        for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+          PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }')
+          if [ -n "$PROXY_IP" ]; then
+            echo "squid-proxy resolved to: $PROXY_IP"
+            # Test that proxy is actually accepting connections
+            if curl --connect-timeout 2 --max-time 5 -x http://squid-proxy:3128 -sS https://api.github.com/zen 2>/dev/null; then
+              echo "Proxy is working!"
+              break
+            else
+              echo "Attempt $i: Proxy resolved but not ready yet, waiting..."
+            fi
+          else
+            echo "Attempt $i: squid-proxy not resolvable yet, waiting..."
+          fi
+          sleep 2
+        done
+
+        if [ -z "$PROXY_IP" ]; then
+          echo "ERROR: Could not resolve squid-proxy after 15 attempts"
+          exit 1
+        fi
+
+        # Verify proxy works before locking down firewall
+        echo "Final proxy connectivity test..."
+        if ! curl --connect-timeout 5 --max-time 10 -x http://squid-proxy:3128 -sS https://api.github.com/zen; then
+          echo "ERROR: Proxy is not working properly"
+          exit 1
+        fi
+        echo "Proxy verified working!"
+
        # Allow established connections
        iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-        
-        # Allow DNS (needed for initial resolution)
+
+        # Allow loopback
+        iptables -A OUTPUT -o lo -j ACCEPT
+
+        # Allow connections to the proxy
+        iptables -A OUTPUT -d $PROXY_IP -p tcp --dport 3128 -j ACCEPT
+
+        # Allow DNS
        iptables -A OUTPUT -p udp --dport 53 -j ACCEPT
        iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT
-        
-        # Block all other outbound traffic (HTTP/HTTPS)
+
+        # Create ipset for GitHub IPs (more efficient than individual rules)
+        ipset create github-ips hash:net
+
+        # Add all GitHub IP ranges from meta API (hooks, web, api, git, actions, etc.)
+        # EXCLUDING blob storage which must go through proxy
+        for category in hooks web api git pages importer actions actions_macos codespaces copilot; do
+          echo "Adding IPs for category: $category"
+          jq -r ".${category}[]? // empty" /tmp/github-meta.json 2>/dev/null | while read cidr; do
+            # Skip IPv6 for now (iptables vs ip6tables) - use case for POSIX compatibility
+            case "$cidr" in
+              *:*) ;; # IPv6, skip
+              *) ipset add github-ips "$cidr" 2>/dev/null || true ;;
+            esac
+          done
+        done
+
+        # Allow all GitHub IPs
+        iptables -A OUTPUT -m set --match-set github-ips dst -p tcp --dport 443 -j ACCEPT
+        iptables -A OUTPUT -m set --match-set github-ips dst -p tcp --dport 80 -j ACCEPT
+
+        # CRITICAL: Block direct access to blob storage and results-receiver
+        # These MUST go through the proxy for cache operations
+        echo "Blocking direct access to cache-critical endpoints..."
+
+        # Block results-receiver.actions.githubusercontent.com
+        for ip in $(getent ahosts "results-receiver.actions.githubusercontent.com" 2>/dev/null | awk '{print $1}' | sort -u); do
+          echo "Blocking direct access to results-receiver: $ip"
+          iptables -I OUTPUT 1 -d "$ip" -p tcp --dport 443 -j REJECT
+        done
+
+        # Block blob.core.windows.net (Azure blob storage used for cache)
+        for host in productionresultssa0.blob.core.windows.net productionresultssa1.blob.core.windows.net productionresultssa2.blob.core.windows.net productionresultssa3.blob.core.windows.net; do
+          for ip in $(getent ahosts "$host" 2>/dev/null | awk '{print $1}' | sort -u); do
+            echo "Blocking direct access to blob storage ($host): $ip"
+            iptables -I OUTPUT 1 -d "$ip" -p tcp --dport 443 -j REJECT
+          done
+        done
+
+        # Block all other outbound HTTP/HTTPS traffic
        iptables -A OUTPUT -p tcp --dport 80 -j REJECT
        iptables -A OUTPUT -p tcp --dport 443 -j REJECT
-        
-        # Log the iptables rules for debugging
-        iptables -L -v -n
-    - name: Verify direct HTTPS is blocked
+
+        echo "iptables rules applied:"
+        iptables -L OUTPUT -n -v
+        echo ""
+        echo "ipset github-ips contains $(ipset list github-ips | grep -c '^[0-9]') entries"
+    - name: Verify proxy enforcement
      run: |
-        echo "Testing that direct HTTPS requests fail..."
-        if curl --noproxy '*' -s --connect-timeout 5 https://github.com > /dev/null 2>&1; then
-          echo "ERROR: Direct HTTPS request succeeded - blocking is not working!"
+        echo "=== Testing proxy enforcement ==="
+
+        # Test 1: Verify proxy is working by explicitly using it
+        echo "Test 1: Connection through proxy (should SUCCEED)"
+        if curl --connect-timeout 10 --max-time 15 -x http://squid-proxy:3128 -sS -o /dev/null -w "%{http_code}" https://api.github.com/zen; then
+          echo ""
+          echo "✓ Proxy connection works"
+        else
+          echo "✗ ERROR: Proxy is not working!"
+          exit 1
+        fi
+
+        # Test 2: Direct connection to blob storage should FAIL (blocked by iptables)
+        echo ""
+        echo "Test 2: Direct connection to blob storage (should FAIL - blocked by iptables)"
+        if curl --connect-timeout 5 --max-time 10 --noproxy '*' -sS https://productionresultssa0.blob.core.windows.net 2>/dev/null; then
+          echo "✗ ERROR: Direct blob storage connection succeeded but should have been blocked!"
          exit 1
        else
-          echo "SUCCESS: Direct HTTPS request was blocked as expected"
+          echo "✓ Direct blob storage correctly blocked by iptables"
+        fi
+
+        # Test 3: Connection to blob storage THROUGH proxy should work
+        echo ""
+        echo "Test 3: Connection through proxy to blob storage (should SUCCEED)"
+        HTTP_CODE=$(curl --connect-timeout 10 --max-time 15 -x http://squid-proxy:3128 -sS -o /dev/null -w "%{http_code}" https://productionresultssa0.blob.core.windows.net 2>&1) || true
+        echo "HTTP response code: $HTTP_CODE"
+        if [ "$HTTP_CODE" = "400" ] || [ "$HTTP_CODE" = "409" ] || [ "$HTTP_CODE" = "200" ]; then
+          echo "✓ Proxy successfully forwarded request to blob storage (got HTTP $HTTP_CODE)"
+        else
+          echo "✗ ERROR: Proxy failed to forward request (got: $HTTP_CODE)"
+          exit 1
        fi
        
-        echo "Testing that HTTPS through proxy succeeds..."
-        if curl --proxy http://squid-proxy:3128 -s --connect-timeout 10 https://github.com > /dev/null 2>&1; then
-          echo "SUCCESS: HTTPS request through proxy succeeded"
-        else
-          echo "ERROR: HTTPS request through proxy failed!"
-          exit 1
-        fi
-    - name: Checkout
-      uses: actions/checkout@v5
+        echo ""
+        echo "=== All proxy enforcement tests passed ==="
+        echo "The proxy is working. If cache operations fail, it's because the action doesn't use the proxy."
    - name: Restore cache
+      env:
+        http_proxy: http://squid-proxy:3128
+        https_proxy: http://squid-proxy:3128
      uses: ./
      with:
        key: test-proxy-${{ github.run_id }}
        path: test-cache
+    - name: Verify proxy setup
+      run: |
+        echo "## 🔒 Proxy Integration Test - Cache Restore" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "### ✅ Test Configuration" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "- **Proxy**: squid-proxy:3128" >> $GITHUB_STEP_SUMMARY
+        echo "- **Firewall**: iptables blocking direct access to cache endpoints" >> $GITHUB_STEP_SUMMARY
+        echo "- **Test**: Cache restore operation completed successfully through proxy" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "If the cache restore step succeeded, it means:" >> $GITHUB_STEP_SUMMARY
+        echo "1. Direct access to results-receiver.actions.githubusercontent.com was blocked" >> $GITHUB_STEP_SUMMARY
+        echo "2. Direct access to *.blob.core.windows.net was blocked" >> $GITHUB_STEP_SUMMARY  
+        echo "3. Cache operations were routed through the squid proxy" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "✅ **SUCCESS**: Proxy integration test passed!" >> $GITHUB_STEP_SUMMARY
    - name: Verify cache
      run: __tests__/verify-cache-files.sh proxy test-cache
--- a/examples.md
+++ b/examples.md
@@ -49,7 +49,7 @@
  with:
    path: |
      ~/.bun/install/cache
-    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
 ```

 ### Windows
@@ -59,7 +59,7 @@
  with:
    path: |
      ~\.bun
-    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
 ```

 ## C# - NuGet
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
  "name": "cache",
-  "version": "5.0.3",
+  "version": "5.0.2",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "cache",
-      "version": "5.0.3",
+      "version": "5.0.2",
      "license": "MIT",
      "dependencies": {
        "@actions/cache": "^5.0.5",
@@ -21,7 +21,7 @@
        "@typescript-eslint/eslint-plugin": "^7.2.0",
        "@typescript-eslint/parser": "^7.2.0",
        "@vercel/ncc": "^0.38.3",
-        "eslint": "^10.0.2",
+        "eslint": "^8.28.0",
        "eslint-config-prettier": "^9.1.2",
        "eslint-plugin-import": "^2.32.0",
        "eslint-plugin-jest": "^27.9.0",
@@ -922,132 +922,54 @@
        "node": "^12.0.0 || ^14.0.0 || >=16.0.0"
      }
    },
-    "node_modules/@eslint/config-array": {
-      "version": "0.23.2",
-      "resolved": "https://registry.npmjs.org/@eslint/config-array/-/config-array-0.23.2.tgz",
-      "integrity": "sha512-YF+fE6LV4v5MGWRGj7G404/OZzGNepVF8fxk7jqmqo3lrza7a0uUcDnROGRBG1WFC1omYUS/Wp1f42i0M+3Q3A==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@eslint/object-schema": "^3.0.2",
-        "debug": "^4.3.1",
-        "minimatch": "^10.2.1"
-      },
-      "engines": {
-        "node": "^20.19.0 || ^22.13.0 || >=24"
-      }
-    },
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        "flatted": "^3.2.9",
-        "keyv": "^4.5.4"
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@@ -4204,6 +4068,22 @@
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+      "license": "MIT",
+      "dependencies": {
+        "type-fest": "^0.20.2"
+      },
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+      "funding": {
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      "resolved": "https://registry.npmjs.org/globalthis/-/globalthis-1.0.4.tgz",
@@ -4438,6 +4318,23 @@
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+      "dev": true,
+      "license": "MIT",
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+        "resolve-from": "^4.0.0"
+      },
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -4776,6 +4673,16 @@
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+      "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-3.0.3.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
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@@ -5635,6 +5542,19 @@
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+      "dev": true,
+      "license": "MIT",
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@@ -5770,6 +5690,13 @@
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@@ -6172,6 +6099,19 @@
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "callsites": "^3.0.0"
+      },
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+        "node": ">=6"
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@@ -6591,6 +6531,16 @@
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+      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
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@@ -6612,6 +6562,23 @@
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+      "deprecated": "Rimraf versions prior to v4 are no longer supported",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
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+      "bin": {
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
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      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
@@ -7140,6 +7107,13 @@
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@@ -7349,6 +7323,19 @@
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+      "dev": true,
+      "license": "(MIT OR CC0-1.0)",
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+      "funding": {
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    "node_modules/typed-array-buffer": {
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--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
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    "@typescript-eslint/parser": "^7.2.0",
    "@vercel/ncc": "^0.38.3",
-    "eslint": "^10.0.2",
+    "eslint": "^8.28.0",
    "eslint-config-prettier": "^9.1.2",
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Author	SHA1	Message	Date
Bassem Dghaidi	2e9cddfa69	Use wernight/squid (permissive proxy) and fix verification tests - Switch from ubuntu/squid to wernight/squid which allows all HTTPS CONNECT - Fix verification tests to explicitly use -x flag to prove proxy works - Tests now verify: 1. Proxy accepts and forwards requests (using curl -x) 2. Direct blob storage access is blocked by iptables 3. Blob storage access through proxy succeeds The cache action should now fail because it doesn't use the proxy, not because the proxy rejects the connection.	2026-01-29 09:41:44 -08:00
Bassem Dghaidi	34472f2415	Add explicit iptables rules to block blob storage IPs The previous firewall setup relied on a catch-all REJECT rule for blob storage, but it wasn't blocking traffic. Now we explicitly resolve and block the IPs for productionresultssa0-3.blob.core.windows.net using iptables -I OUTPUT 1 to insert rules at the top of the chain.	2026-01-29 09:31:15 -08:00
Bassem Dghaidi	e0d51ac399	Switch to sameersbn/squid image and simplify verification - Replace ubuntu/squid with sameersbn/squid:latest (more reliable) - Remove shared volume mounts that may cause permission issues - Simplify verification steps since we can't access service container logs - The test validates proxy works by verifying cache operations succeed when direct access is blocked by iptables	2026-01-29 09:27:29 -08:00
Bassem Dghaidi	26cd8c103b	Add wait loop for squid-proxy service to be resolvable	2026-01-29 09:22:42 -08:00
Bassem Dghaidi	0d4af5e74f	Remove proxy env from Fetch GitHub meta step - must run before firewall setup	2026-01-29 09:20:18 -08:00
Bassem Dghaidi	61ba4b9b0a	Merge branch 'Link-/fix-proxy-integration-tests' of github.com:actions/cache into Link-/fix-proxy-integration-tests	2026-01-29 09:18:24 -08:00
Bassem Dghaidi	2f8c9d682d	Use shared volume between job container and squid service for log access	2026-01-29 09:17:52 -08:00
Bassem Dghaidi	56cc052f4d	Use shared volume between job container and squid service for log access	2026-01-29 09:13:07 -08:00
Bassem Dghaidi	ef4c2110b5	Actually verify that the traffic and calls went through the proxy	2026-01-29 08:33:17 -08:00
Bassem Dghaidi	c5ddd32390	Fix what gets blocked and what passes through	2026-01-29 08:23:41 -08:00
Bassem Dghaidi	6bfa66432f	Fix proxy integration tests	2026-01-29 07:56:38 -08:00