Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
140 changes: 127 additions & 13 deletions src/main/java/dev/faisca/fila/FilaClient.java
Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import io.grpc.Grpc;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.StatusRuntimeException;
import io.grpc.TlsChannelCredentials;
import java.io.ByteArrayInputStream;
Expand DownExpand Up@@ -35,12 +36,28 @@
* }</pre>
*/
public final class FilaClient implements AutoCloseable {
private static final Metadata.Key<String> LEADER_ADDR_KEY =
Metadata.Key.of("x-fila-leader-addr", Metadata.ASCII_STRING_MARSHALLER);

private final ManagedChannel channel;
private final FilaServiceGrpc.FilaServiceBlockingStub blockingStub;

private FilaClient(ManagedChannel channel) {
private final byte[] caCertPem;
private final byte[] clientCertPem;
private final byte[] clientKeyPem;
private final String apiKey;

private FilaClient(
ManagedChannel channel,
byte[] caCertPem,
byte[] clientCertPem,
byte[] clientKeyPem,
String apiKey) {
this.channel = channel;
this.blockingStub = FilaServiceGrpc.newBlockingStub(channel);
this.caCertPem = caCertPem;
this.clientCertPem = clientCertPem;
this.clientKeyPem = clientKeyPem;
this.apiKey = apiKey;
}

/** Returns a new builder for configuring a {@link FilaClient}. */
Expand DownExpand Up@@ -96,15 +113,15 @@ public ConsumerHandle consume(String queue, Consumer<ConsumeMessage> handler) {
() -> {
try {
Iterator<Service.ConsumeResponse> stream = blockingStub.consume(req);
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
if (e.getStatus().getCode() == io.grpc.Status.Code.CANCELLED) {
return;
}
String leaderAddr = extractLeaderAddr(e);
if (leaderAddr != null) {
Comment thread
cubic-dev-ai[bot] marked this conversation as resolved.
retryOnLeader(leaderAddr, req, handler);
} else {
throw mapConsumeError(e);
}
}
Expand DownExpand Up@@ -171,6 +188,103 @@ public void close() {
}
}

private static void consumeStream(
Iterator<Service.ConsumeResponse> stream, Consumer<ConsumeMessage> handler) {
while (stream.hasNext()) {
Service.ConsumeResponse resp = stream.next();
if (!resp.hasMessage() || resp.getMessage().getId().isEmpty()) {
continue;
}
handler.accept(buildConsumeMessage(resp.getMessage()));
}
}

private static String extractLeaderAddr(StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.UNAVAILABLE) {
return null;
}
Metadata trailers = e.getTrailers();
if (trailers == null) {
return null;
}
return trailers.get(LEADER_ADDR_KEY);
}

private static void validateLeaderAddr(String addr) {
if (addr == null || addr.isEmpty()) {
throw new FilaException("invalid leader address: empty");
}
// Must not contain scheme (e.g. "http://") or path (e.g. "/foo")
if (addr.contains("//") || addr.contains("/")) {
throw new FilaException("invalid leader address: must be host:port, got: " + addr);
}
int colonIdx = addr.lastIndexOf(':');
if (colonIdx < 0) {
throw new FilaException("invalid leader address: missing port, got: " + addr);
}
String host = addr.substring(0, colonIdx);
String portStr = addr.substring(colonIdx + 1);
if (host.isEmpty()) {
throw new FilaException("invalid leader address: empty host, got: " + addr);
}
int port;
try {
port = Integer.parseInt(portStr);
} catch (NumberFormatException e) {
throw new FilaException("invalid leader address: non-numeric port, got: " + addr);
}
if (port < 1 || port > 65535) {
throw new FilaException("invalid leader address: port out of range, got: " + addr);
}
}

private void retryOnLeader(
String leaderAddr, Service.ConsumeRequest req, Consumer<ConsumeMessage> handler) {
validateLeaderAddr(leaderAddr);
ManagedChannel leaderChannel = buildChannel(leaderAddr);
try {
FilaServiceGrpc.FilaServiceBlockingStub leaderStub =
FilaServiceGrpc.newBlockingStub(leaderChannel);
Iterator<Service.ConsumeResponse> stream = leaderStub.consume(req);
consumeStream(stream, handler);
} catch (StatusRuntimeException e) {
if (e.getStatus().getCode() != io.grpc.Status.Code.CANCELLED) {
throw mapConsumeError(e);
}
} finally {
leaderChannel.shutdown();
}
}

private ManagedChannel buildChannel(String address) {
if (caCertPem != null) {
try {
TlsChannelCredentials.Builder tlsBuilder =
TlsChannelCredentials.newBuilder().trustManager(new ByteArrayInputStream(caCertPem));
if (clientCertPem != null && clientKeyPem != null) {
tlsBuilder.keyManager(
new ByteArrayInputStream(clientCertPem), new ByteArrayInputStream(clientKeyPem));
}
ChannelCredentials creds = tlsBuilder.build();
var channelBuilder =
Grpc.newChannelBuilderForAddress(
Builder.parseHost(address), Builder.parsePort(address), creds);
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
} catch (IOException e) {
throw new FilaException("failed to configure TLS for leader redirect", e);
}
} else {
var channelBuilder = ManagedChannelBuilder.forTarget(address).usePlaintext();
if (apiKey != null) {
channelBuilder.intercept(new ApiKeyInterceptor(apiKey));
}
return channelBuilder.build();
}
}

private static ConsumeMessage buildConsumeMessage(Messages.Message msg) {
Messages.MessageMetadata meta = msg.getMetadata();
return new ConsumeMessage(
Expand DownExpand Up@@ -333,10 +447,10 @@ public FilaClient build() {
channel = channelBuilder.build();
}

return new FilaClient(channel);
return new FilaClient(channel, caCertPem, clientCertPem, clientKeyPem, apiKey);
}

private static String parseHost(String address) {
static String parseHost(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand All@@ -352,7 +466,7 @@ private static String parseHost(String address) {
return address.substring(0, colonIdx);
}

private static int parsePort(String address) {
static int parsePort(String address) {
// Handle IPv6 bracket notation: [::1]:5555
if (address.startsWith("[")) {
int closeBracket = address.indexOf(']');
Expand Down
Loading