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fix: replace flaky Cloudflare test with reliable httpbin.org#82

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Merged
ammario merged 1 commit into from
Nov 3, 2025
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fix: replace flaky Cloudflare test with reliable httpbin.org #82

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62 changes: 38 additions & 24 deletions tests/weak_integration.rs
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
use std::process::Command;

// Test with Cloudflare's trace endpoint that clearly shows the Host header
let curl_args = vec![
"-s",
"-H",
"Host: evil.com",
"--max-time",
"3",
"http://www.cloudflare.com/cdn-cgi/trace",
];

// Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
// Test 1: Direct curl with mismatched Host header
// httpbin.org/headers echoes back all headers it receives
let direct_result = Command::new("curl")
.args(&curl_args)
.args([
"-s",
"-H",
"Host: evil.com",
"--max-time",
"5",
"http://httpbin.org/headers",
])
.output()
.expect("Failed to execute curl directly");

let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
// Cloudflare returns an error code (1034) for mismatched Host headers

// Verify curl sends the mismatched Host header as-is
assert!(
direct_stdout.contains("error code: 1034"),
"Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
direct_stdout.contains("\"Host\": \"evil.com\"")
|| direct_stdout.contains("\"Host\":\"evil.com\""),
"Direct curl should send mismatched Host header (got: {})",
direct_stdout
);

// Test 2: Same curl command through httpjail - should correct the Host header
let httpjail_result = HttpjailCommand::new()
.weak()
.js("true") // Allow all requests
.command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
.command(vec![
"curl",
"-s",
"-H",
"Host: evil.com",
"--max-time",
"5",
"http://httpbin.org/headers",
])
.execute();

assert!(httpjail_result.is_ok(), "Httpjail request should complete");
let (exit_code, stdout, _) = httpjail_result.unwrap();
assert_eq!(exit_code, 0, "Httpjail request should succeed");

// Httpjail should have corrected the Host header, allowing the request to succeed
// Verify httpjail corrected the Host header to match the actual destination
assert!(
stdout.contains("h=www.cloudflare.com"),
"Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
"Httpjail should correct Host header to httpbin.org (got: {})",
stdout
);

// Verify the mismatched header was NOT forwarded
assert!(
!stdout.contains("error code: 1034"),
"Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
!stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
"Httpjailshould not forward mismatched Host header evil.com (got: {})",
stdout
);

// This demonstrates that httpjail prevents the Host header bypass attack
// that would otherwise be possible with direct curl execution
// This demonstrates that httpjail prevents Host header bypass attacks
// by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
Skip to content
fix: replace flaky Cloudflare test with reliable httpbin.org#82

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 Merged

ammario
merged 1 commit into

from

Nov 3, 2025
 Merged


fix: replace flaky Cloudflare test with reliable httpbin.org
#82
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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
Skip to content
fix: replace flaky Cloudflare test with reliable httpbin.org#82

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to your account

 Merged

ammario
merged 1 commit into

from

Nov 3, 2025
 Merged


fix: replace flaky Cloudflare test with reliable httpbin.org
#82
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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
Skip to content
fix: replace flaky Cloudflare test with reliable httpbin.org#82

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 Merged

ammario
merged 1 commit into

from

Nov 3, 2025
 Merged


fix: replace flaky Cloudflare test with reliable httpbin.org
#82
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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
Skip to content
fix: replace flaky Cloudflare test with reliable httpbin.org#82

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

ammario
merged 1 commit into

from

Nov 3, 2025
 Merged


fix: replace flaky Cloudflare test with reliable httpbin.org
#82
 Changes from all commits
Commits

Show all changes


1 commit


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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
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fix: replace flaky Cloudflare test with reliable httpbin.org#82

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 Merged

ammario
merged 1 commit into

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Nov 3, 2025
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fix: replace flaky Cloudflare test with reliable httpbin.org
#82
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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
Skip to content
fix: replace flaky Cloudflare test with reliable httpbin.org#82

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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Already on GitHub?
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to your account

 Merged

ammario
merged 1 commit into

from

Nov 3, 2025
 Merged


fix: replace flaky Cloudflare test with reliable httpbin.org
#82
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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
fix: replace flaky Cloudflare test with reliable httpbin.org by ammar-agent · Pull Request #82 · coder/httpjail · GitHub
Skip to content
fix: replace flaky Cloudflare test with reliable httpbin.org#82

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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to your account

 Merged

ammario
merged 1 commit into

from

Nov 3, 2025
 Merged


fix: replace flaky Cloudflare test with reliable httpbin.org
#82
 Changes from all commits
Commits

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62 changes: 38 additions & 24 deletions
tests/weak_integration.rs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -290,60 +290,74 @@ fn test_server_mode() {

/// Test for Host header security (Issue #57)
/// Verifies that httpjail corrects mismatched Host headers to prevent
/// CloudFlare and other CDN routing bypasses.
/// CDN routing bypasses and other Host header attacks.
///
/// This test uses httpbin.org/headers which echoes back the received headers,
/// allowing us to verify that httpjail corrects the Host header to match the
/// actual destination URL rather than relying on external service blocking behavior.
#[test]
fn test_host_header_security() {
 use std::process::Command;

 // Test with Cloudflare's trace endpoint that clearly shows the Host header
 let curl_args = vec![
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "3",
 "http://www.cloudflare.com/cdn-cgi/trace",
 ];

 // Test 1: Direct curl execution (without httpjail) - Cloudflare blocks mismatched Host
 // Test 1: Direct curl with mismatched Host header
 // httpbin.org/headers echoes back all headers it receives
 let direct_result = Command::new("curl")
 .args(&curl_args)
 .args([
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .output()
 .expect("Failed to execute curl directly");

 let direct_stdout = String::from_utf8_lossy(&direct_result.stdout);
 // Cloudflare returns an error code (1034) for mismatched Host headers

 // Verify curl sends the mismatched Host header as-is
 assert!(
 direct_stdout.contains("error code: 1034"),
 "Direct curl with mismatched Host header should be blocked by Cloudflare with error 1034 (got: {})",
 direct_stdout.contains("\"Host\": \"evil.com\"")
 || direct_stdout.contains("\"Host\":\"evil.com\""),
 "Direct curl should send mismatched Host header (got: {})",
 direct_stdout
 );

 // Test 2: Same curl command through httpjail - should correct the Host header
 let httpjail_result = HttpjailCommand::new()
 .weak()
 .js("true") // Allow all requests
 .command(vec!["curl"].into_iter().chain(curl_args.clone()).collect())
 .command(vec![
 "curl",
 "-s",
 "-H",
 "Host: evil.com",
 "--max-time",
 "5",
 "http://httpbin.org/headers",
 ])
 .execute();

 assert!(httpjail_result.is_ok(), "Httpjail request should complete");
 let (exit_code, stdout, _) = httpjail_result.unwrap();
 assert_eq!(exit_code, 0, "Httpjail request should succeed");

 // Httpjail should have corrected the Host header, allowing the request to succeed
 // Verify httpjail corrected the Host header to match the actual destination
 assert!(
 stdout.contains("h=www.cloudflare.com"),
 "Httpjail should correct the Host header to www.cloudflare.com, allowing the request (got: {})",
 stdout.contains("\"Host\": \"httpbin.org\"") || stdout.contains("\"Host\":\"httpbin.org\""),
 "Httpjail should correct Host header to httpbin.org (got: {})",
 stdout
 );

 // Verify the mismatched header was NOT forwarded
 assert!(
 !stdout.contains("error code: 1034"),
 "Httpjail-corrected request should not be blocked by Cloudflare (got: {})",
 !stdout.contains("\"Host\": \"evil.com\"") && !stdout.contains("\"Host\":\"evil.com\""),
 "Httpjailshould not forward mismatched Host header evil.com (got: {})",
 stdout
 );

 // This demonstrates that httpjail prevents the Host header bypass attack
 // that would otherwise be possible with direct curl execution
 // This demonstrates that httpjail prevents Host header bypass attacks
 // by correcting the Host header to match the actual destination URL
}

// The proc/JS parity tests have been moved to tests/json_parity.rs
Expand Down
Loading