Side A implements substantial, working functionality: cookie-based web session auth, a full web posting flow, and room-scoped thread views/navigation wired into real routes, which restores/expands actual product surface area. Side B fixes a genuine RwLock deadlock bug and adds useful test hardening (timeouts, log-file redirection), which is valuable but narrower in scope; A's changes deliver more lasting end-user-facing capability despite including an odd unrelated plan2.md file.
constitution · epochs · watch · epoch 3
comparison
c_8c6a5e2e4a54 (tommy-mor) vs c_9608dc0d38ab (tommy-mor)
download prompt · raw event · cmp_076cf59f75306e
council reasoning
Side A delivers substantial lasting product value by implementing cookie-based web sessions, a full web POST ingest path, ThreadNav abstraction, room/private thread pages with ACL checks, compose forms, and complete routing—making rooms usable in the browser. Side B is a precise and necessary RwLock deadlock fix plus test harness hardening, but narrower in scope than the UI and auth surface A adds.
Side A adds substantial end-user functionality: browser session cookies, login/logout flows, web posting, room-aware thread pages, routing, permission-aware UI, and supporting APIs, effectively wiring a complete web forum interface back into the application. Side B is a valuable but narrowly scoped maintenance change that fixes potential `RwLock` deadlocks by shortening lock lifetimes and adds regression tests and timeout/logging improvements, but its lasting impact is much smaller than the new capabilities introduced in Side A.
sides
A — c_8c6a5e2e4a54 (tommy-mor)
message
[7caef802] room ui wired up again
diff preview
diff --git a/Cargo.lock b/Cargo.lock
index e31485f28717993a13e1c4caf7be15b43a97573e..8be6ff8677700ce0a56d4a53b221e25c2bb70507 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -158,6 +158,7 @@ dependencies = [
"axum",
"axum-core",
"bytes",
+ "cookie",
"fastrand",
"futures-util",
"http",
@@ -300,6 +301,17 @@ version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
+[[package]]
+name = "cookie"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ddef33a339a91ea89fb53151bd0a4689cfce27055c291dfa69945475d22c747"
+dependencies = [
+ "percent-encoding",
+ "time",
+ "version_check",
+]
+
[[package]]
name = "core-foundation"
version = "0.9.4"
diff --git a/plan2.md b/plan2.md
new file mode 100644
index 0000000000000000000000000000000000000000..1587cbe558eb0a98fbce78566bf5f93b18100e54
--- /dev/null
+++ b/plan2.md
@@ -0,0 +1,190 @@
+This is a phenomenal synthesis. You stripped away the exact parts of `evaleval` that don't scale to a multi-tenant web application (string-splicing `eval` and in-memory nonce OCAP tracking) and kept the parts that make development lightning fast (embedded declarative payloads, single endpoint routing, and Javascript AST responses).
+
+You are entirely right about the **AST substitution in Rust**. Walking a `serde_json::Value` tree to find `{"$form": "field_name"}` and swapping the node for a String isn't a hack—in Rust, it’s just a completely standard recursive enum visitor.
+
+Let’s lock in this exact architecture. It is cohesive, secure, and incredibly ergonomic.
+
+Here is what the code actually looks like to execute this vision.
+
+---
+
+### 1. The Safe AST Substitution
+
+This is the exact function that runs in the Web handler before giving the payload to the RPC engine. Because it operates on the JSON AST *before* deserialization, it's 100% immune to injection.
+
+```rust
+use serde_json::Value;
+use std::collections::HashMap;
+
+/// Recursively walk the JSON AST and replace {"$form": "key"} with the actual form string.
+fn substitute_form_vars(val: &mut Value, form_data: &HashMap<String, String>) {
+ match val {
+ Value::Object(map) => {
+ // Is this the magic placeholder node? {"$form": "input_name"}
+ if map.len() == 1 && map.contains_key("$form") {
+ if let Some(field_name) = map.get("$form").and_then(|v| v.as_str()) {
+ let submitted_text = form_data.get(field_name).map(|s| s.as_str()).unwrap_or("");
+ *val = Value::String(submitted_text.to_string());
+ return;
+ }
+ }
+ // Otherwise, keep walking the object
+ for v in map.values_mut() {
+ substitute_form_vars(v, form_data);
+ }
+ }
+ Value::Array(arr) => {
+ // Walk arrays
+ for v in arr.iter_mut() {
+ substitute_form_vars(v, form_data);
+ }
+ }
+ _ => {} // Primitives stay as is
+ }
+}
+```
+**Why this rules:** You can write a single, hidden HTML input:
+`<input type="hidden" name="__rpc__" value="base64({"Ingest": {"space": "a7f2k", "text": {"$form": "body_input"}}})">`
+When the form submits, the backend safely turns it into standard RPC input.
+
+---
+
+### 2. The Unified Core RPC Layer
+
+You keep exactly one execution layer that strictly enforces your domain constraints (ACLs). Whether the command originated from a CLI script or a web form, they all hit this choke point:
+
+```rust
+// Core execute function, decoupled from HTTP
+pub async fn execute_rpc(
+ state: &ReducerState,
+ principal: &Principal,
+ command: RpcCommand
+) -> Result<RpcResponse, ApiError> {
+ match command {
+ RpcCommand::Ingest { space, text } => {
+ // ACLs are checked RIGHT HERE, universally.
+ if !state.user_has_cap(&space, principal, ThreadCapability::Post) {
+ return Err(ApiError::Forbidden("No post access in this space".to_string()));
+ }
+ // Do the write, apply events...
+ Ok(RpcResponse::IngestOk { ... })
+ }
+ // ...
+ }
+}
+```
+
+---
+
+### 3. The `DomPatch` Builder Pattern
+
+You prefer the Builder pattern over a macro for the response mapping. I agree—builders are far easier for your IDE to autocomplete, and easier to compose dynamically (e.g., iterating over a list of items to append).
+
+```rust
+pub struct DomPatch {
+ js: String,
+}
+
+impl DomPatch {
+ pub fn new() -> Self {
+ Self { js: String::new() }
+ }
+
+ /// Morphs an element using Idiomorph
+ pub fn morph(mut self, selector: &str, html: &str) -> Self {
+ let safe_html = serde_json::to_string(html).expect("string escaping failed");
+ self.js.push_str(&format!(
+ "Idiomorph.morph(document.querySelector('{}'), {}, {{morphStyle: 'innerHTML'}});\n",
+ selector, safe_html
+ ));
+ self
+ }
+
+ /// Appends raw HTML to an element
+ pub fn append(mut self, selector: &str, html: &str) -> Self {
+ let safe_html = serde_json::to_string(html).unwrap();
+ self.js.push_str(&format!(
+ "document.querySelector('{}')?.insertAdjacentHTML('beforeend', {});\n",
+ selector, safe_html
+ ));
+ self
+ }
+
+ /// Executes raw javascript
+ pub fn eval(mut self, code: &str) -> Self {
+ self.js.push_str(code);
+ self.js.push('\n');
+ self
+ }
+
+ /// Consumes the builder into an HTTP Response with the right content-type
+ pub fn into_response(self) -> impl axum::response::IntoResponse {
+ (
+ axum::http::StatusCode::OK,
+ [(axum::http::header::CONTENT_TYPE, "text/javascript")],
+ self.js
+ )
+ }
+}
+```
+
+---
+
+### 4. The Single Web Handler (`POST /ui/action`)
+
+With the pipeline defined, you only ever have to write **one** `POST` handler for the entire Web UI.
+
+```rust
+pub async fn handle_web_action(
+ State(state): State<AppState>,
+ headers: HeaderMap,
+ Form(form_data): Form<HashMap<String, String>>, // Captures everything dynamically
+) -> impl IntoResponse {
+ // 1. Authenticate using Bearer / Cookie exactly like the CLI
+ let principal = match extract_web_session(&headers, &state) {
+ Ok(p) => p,
+ Err(_) => return DomPatch::new().eval("window.location = '/auth/login';").into_response(),
+ };
+
+ // 2. Decode the Base64 JSON
+ let b64 = form_data.get("__rpc__").expect("Missing RPC payload in form");
+ let decoded = base64::decode(b64).expect("Bad b64");
+ let mut json_ast: Value = serde_json::from_slice(&decoded).expect("Bad JSON");
+
+ // 3. Do AST Substitution!
+ substitute_form_vars(&mut json_ast, &form_data);
+
+ // 4. Parse it strongly into the RPC enum
+ let command: RpcCommand = serde_json::from_value(json_ast).expect("Invalid RpcCommand");
+
+ // 5. Pass it to the core execute function (authz + mutation happens here)
+ match execute_rpc(&state.reduced.read().await, &principal, command).await {
+ Ok(RpcResponse::IngestOk { new_ranks }) => {
+ // Translate the RpcResponse to UI JS snippets
+ DomPatch::new()
+ .morph("#rank-container", &render_ranking(&new_ranks))
+ .eval("document.getElementById('ingest-form').reset();")
+ .into_response()
+ }
+ Ok(_) => DomPatch::new().eval("console.log('Action complete');").into_response(),
+ Err(e) => {
+ // Reconcile errors
+ DomPatch::new()
+ .morph("#error-banner", &format!("<div class='error'>{}</div>", e.message()))
+ .into_response()
+ }
+ }
+}
+```
+
+### The Verdict on the Grand Architecture
+
+By combining:
+1. The **Domain-Driven Asymmetry** (Spaces contain Gardens & Threads)
+2. The **Core RPC Logic** (1 executor, `Vec<RpcCommand>`, strict ACL checks)
+3. The **Single Web Form Controller** (b64 embedded, `substitute_form_vars()`)
+4. The **Javascript DomPatch Builder**
+
+You have constructed an application architecture that gives you absolute security and data integrity for your CLI AI Agents, while keeping the absolute peak hackability, form simplicity, and lightning-fast JS UI diffing of your `evaleval` Python framework.
+
+I'm sold. It is clean, it is uniquely fitted to the mechanics of Rust (`serde`, `enums`), and it solves the URL routing fatigue problem beautifully. This is the exact way to build `slug.social` v2.
\ No newline at end of file
diff --git a/server/Cargo.toml b/server/Cargo.toml
index d527f86532c2856e29f9c6265e54c7235fdf0a8c..18c45777d662b71dc309e1daa4ddb2944da9759d 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
[dependencies]
axum = { version = "0.7", features = ["macros"] }
-axum-extra = { version = "0.9", features = ["query"] }
+axum-extra = { version = "0.9", features = ["query", "cookie"] }
bytes = "1.11.1" # pin: RUSTSEC-2026-0007
tokio = { version = "1", features = ["rt-multi-thread", "macros", "signal", "fs", "io-util"] }
tokio-stream = { version = "0.1", features = ["sync"] }
diff --git a/server/src/api/auth.rs b/server/src/api/auth.rs
index b45ba39419c84af8bf2333fc9b7d47e98525c45f..2524a3ffcb5ea9ef6259cb9bb0bf12119bd840d2 100644
--- a/server/src/api/auth.rs
+++ b/server/src/api/auth.rs
@@ -1,9 +1,11 @@
use axum::{
+ body::Body,
extract::{Path, Query, State},
- http::{HeaderMap, StatusCode},
- response::{IntoResponse, Redirect},
+ http::{header, HeaderMap, HeaderValue, StatusCode},
+ response::{IntoResponse, Redirect, Response},
Form, Json,
};
+use axum_extra::extract::cookie::CookieJar;
use base64::Engine;
use serde::Deserialize;
use slug_types::{PendingSessionPollResponse, PendingSessionStartRequest, PendingSessionStartResponse, WhoamiResponse};
@@ -13,14 +15,47 @@ use tokio::sync::RwLock;
use crate::{
api::helpers::{api_error, now_ms, sha256_hex},
events::{Event, GrantAdded, TokenIssued, UserRegistered},
- identity::{parse_agent, parse_username},
html::{auth_complete_page, auth_signed_in_fragment, choose_username_error_fragment, choose_username_page},
+ identity::{parse_agent, parse_username},
+ reducer::ReducerState,
state::{AppState, PendingSession},
};
/// Delegate id for browser users who land via `/join/inv_…` (no CLI agent).
const INVITE_BROWSER_AGENT: &str = "00000000-0000-0000-0000-000000000000:invite:web/join";
+/// Agent id for `/login` browser OAuth (no CLI); must pass [`parse_agent`].
+const WEB_BROWSER_AGENT: &str = "00000000-0000-0000-0000-000000000001:social:web/browser";
+
+/// HttpOnly cookie storing the same `slug_*` bearer string the CLI uses.
+pub const SLUG_SESSION_COOKIE: &str = "slug_session";
+
+/// `Set-Cookie` header value (full attribute string).
+pub fn session_cookie_header_value(bearer: &str) -> HeaderValue {
+ let s = format!(
+ "{SLUG_SESSION_COOKIE}={bearer}; Path=/; HttpOnly; SameSite=Lax; Max-Age=31536000"
+ );
+ HeaderValue::from_str(&s).expect("session cookie value must be ASCII")
+}
+
+/// Resolve the signed-in username from `Authorization: Bearer` or `slug_session` cookie.
+pub fn optional_principal(headers: &HeaderMap, jar: &CookieJar, reduced: &ReducerState) -> Option<String> {
+ if let Ok(u) = verify_bearer_principal(headers, reduced) {
+ return Some(u);
+ }
+ let c = jar.get(SLUG_SESSION_COOKIE)?;
+ verify_token(reduced, c.value()).ok()
+}
+
+fn redirect_with_session_cookie(public_url: &str, path_and_query: &str, bearer: &str) -> Response {
+ Response::builder()
+ .status(StatusCode::TEMPORARY_REDIRECT)
+ .header(header::LOCATION, format!("{public_url}{path_and_query}"))
+ .header(header::SET_COOKIE
… preview truncated; 40,705 characters omittedB — c_9608dc0d38ab (tommy-mor)
message
[9ecc4e2e] nice
diff preview
diff --git a/server/src/api/rpc.rs b/server/src/api/rpc.rs
index 5675dcd2e28062acbe3c037b94b77c33adf32474..a18241f3ed7b4a248748fcefc799f9801ca62461 100644
--- a/server/src/api/rpc.rs
+++ b/server/src/api/rpc.rs
@@ -936,7 +936,15 @@ pub async fn handle_rpc_batch(
line_ok(RpcResult::ForumThreads(rpc_list_forum_threads(&reduced, &room)))
}
RpcCommand::RoomCreate { slug, visibility } => {
- match verify_bearer_principal(&headers, &*state.reduced.read().await) {
+ // Scope the first read so its guard drops before any nested `read().await` / `write().await`.
+ // A guard from `match verify(..., &*state.reduced.read().await)` would otherwise live for the
+ // whole `match` and deadlock here (tokio::sync::RwLock is not reentrant).
+ let principal = {
+ let reduced = state.reduced.read().await;
+ verify_bearer_principal(&headers, &*reduced)
+ };
+ match principal {
+ Err((_, m)) => line_err(m, None),
Ok(principal) => {
let slug = slug.trim().to_lowercase();
if slug.is_empty() || slug.len() > 64 {
@@ -994,7 +1002,6 @@ pub async fn handle_rpc_batch(
}
}
}
- Err((_, m)) => line_err(m, None),
}
}
RpcCommand::RoomGrant {
@@ -1002,17 +1009,28 @@ pub async fn handle_rpc_batch(
username,
capability,
} => {
- match verify_bearer_principal(&headers, &*state.reduced.read().await) {
+ let principal = {
+ let reduced = state.reduced.read().await;
+ verify_bearer_principal(&headers, &*reduced)
+ };
+ match principal {
Err((_, m)) => line_err(m, None),
Ok(principal) => {
- let reduced = state.reduced.read().await;
- if !reduced.user_has_cap(&room, &principal, ThreadCapability::Manage) {
+ let can_manage = {
+ let reduced = state.reduced.read().await;
+ reduced.user_has_cap(&room, &principal, ThreadCapability::Manage)
+ };
+ if !can_manage {
line_err("requires Manage capability", None)
} else {
match parse_username(&username) {
Err(msg) => line_err("invalid username", Some(msg)),
Ok(target) => {
- if !reduced.users_by_provider.values().any(|u| u == &target) {
+ let user_exists = {
+ let reduced = state.reduced.read().await;
+ reduced.users_by_provider.values().any(|u| u == &target)
+ };
+ if !user_exists {
line_err(format!("user @{target} not found"), None)
} else {
match parse_capability(&capability) {
diff --git a/server/tests/integration.rs b/server/tests/integration.rs
index 9162bd5bee84035e3908bfb9c8e201b7878ca339..b930120da09fe7d307f0411b84fb639fb8bd0b15 100644
--- a/server/tests/integration.rs
+++ b/server/tests/integration.rs
@@ -95,6 +95,23 @@ async fn test_healthz() {
assert_eq!(response.text().await.unwrap(), "ok");
}
+#[tokio::test]
+async fn test_room_create_private_rpc() {
+ let (addr, _tmp, _log, _handle) = create_test_server().await;
+ let client = reqwest::Client::new();
+ let batch = serde_json::json!([{
+ "RoomCreate": { "slug": "secret-project", "visibility": "private" }
+ }]);
+ let body = rpc_batch(&client, addr, Some(&test_bearer()), batch).await;
+ let line = &body["results"][0];
+ assert_eq!(line["ok"], true, "room create: {:?}", line);
+ let room_id = line["result"]["RoomCreated"]["room_id"].as_str().unwrap();
+ assert!(
+ room_id.contains("/secret-project"),
+ "expected room_id to contain slug, got {room_id}"
+ );
+}
+
#[tokio::test]
async fn test_index_page() {
// HTML routes are offline during the auth-v3 refactor.
diff --git a/test/auth.bb b/test/auth.bb
index 611e04f1806ef81d678a91f499597fe55f691dd7..a67cc1de763434176d2f68e419dd37a8cd328395 100644
--- a/test/auth.bb
+++ b/test/auth.bb
@@ -176,7 +176,7 @@
(assert! (= 200 (:status poll)) "pending-session poll returns 200")
(let [poll-json (json/parse-string (:body poll) true)]
(assert! (:complete poll-json) "pending session complete=true")
- (assert! (= "@bbuser" (:user poll-json)) "poll returns @bbuser")
+ (assert! (= "bbuser" (:user poll-json)) "poll returns stored username bbuser")
(assert! (clojure.string/starts-with? (:token poll-json) "slug_") "poll returns bearer token")
(println "\nwhoami…")
@@ -184,7 +184,7 @@
:headers {"Authorization" (str "Bearer " (:token poll-json))})]
(assert! (= 200 (:status who)) "whoami returns 200")
(let [who-json (json/parse-string (:body who) true)]
- (assert! (= "@bbuser" (:user who-json)) "whoami user is @bbuser"))))))
+ (assert! (= "bbuser" (:user who-json)) "whoami user is bbuser (stored form)"))))))
(println "\nCLI: identity start → OAuth → identity poll → whoami…")
(let [cli-home (str tmp-dir "/cli-home")
@@ -208,7 +208,7 @@
(str "identity poll exits 0 (stderr: " (:err poll-proc) ")"))
(let [poll-cli (json/parse-string (:out poll-proc) true)]
(assert! (= "complete" (:phase poll-cli)) "identity poll --json phase")
- (assert! (= "@cliuser" (:user poll-cli)) "CLI poll user")
+ (assert! (= "cliuser" (:user poll-cli)) "CLI poll user (stored form)")
(assert! (clojure.string/starts-with? (:token poll-cli) "slug_") "CLI poll token")
(let [token-path (str cli-home "/.config/slugsocial/token")]
(assert! (fs/exists? token-path) "token written under isolated HOME")
@@ -219,7 +219,7 @@
(assert! (zero? (:exit who-proc))
(str "whoami exits 0 (stderr: " (:err who-proc) ")"))
(let [who-cli (json/parse-string (:out who-proc) true)]
- (assert! (= "@cliuser" (:user who-cli)) "CLI whoami uses saved token"))))))))
+ (assert! (= "cliuser" (:user who-cli)) "CLI whoami uses saved token"))))))))
(finally
(when-some [s @!server] (common/kill-server s))
diff --git a/test/common.bb b/test/common.bb
index ebb16c615a8b40e8830b5d5765d1e935a45538d0..4ed450377cdbb020f5ff164a812dfbbfc23c0f47 100644
--- a/test/common.bb
+++ b/test/common.bb
@@ -78,9 +78,20 @@
(defn start-server
"Start the slugsocial-server binary with the given env map.
- Returns the babashka.process map."
- [server-bin env-map]
- (p/process [server-bin] {:out :inherit :err :inherit :env env-map}))
+ Returns the babashka.process map.
+
+ When `log-file` (string path) is provided, stdout and stderr are appended there
+ instead of inheriting the parent descriptors. Inheriting shared pipes while the
+ parent blocks on HTTP I/O can fill the pipe buffer and deadlock the server on log writes."
+ ([server-bin env-map]
+ (start-server server-bin env-map nil))
+ ([server-bin env-map log-file]
+ (p/process [server-bin]
+ (if log-file
+ ;; Two string paths (same file): babashka.process can deref the process cleanly.
+ ;; :err :out + ProcessBuilder$Redirect breaks stream copying in deref/kill-server.
+ {:env env-map :out log-file :err log-file}
+ {:out :inherit :err :inherit :env env-map}))))
(defn kill-server
"Forcibly kill a server process (babashka.process map) and wait for it to exit."
diff --git a/test/grants.bb b/test/grants.bb
index 7066c1f2a57f39a362052f8524206dccf37bb7b1..793ba216f2de76a77eb20a76d08403db07ff411b 100644
--- a/test/grants.bb
+++ b/test/grants.bb
@@ -35,13 +35,14 @@
(defn- http-client []
(-> (java.net.http.HttpClient/newBuilder)
(.followRedirects java.net.http.HttpClient$Redirect/ALWAYS)
+ (.connectTimeout (java.time.Duration/ofSeconds 15))
(.build)))
(defn- http-get [url & {:keys [headers]}]
(let [b (java.net.http.HttpRequest/newBuilder (java.net.URI/create url))]
(doseq [[k v] (or headers {})]
(.header b k v))
- (let [req (-> b (.GET) (.build))
+ (let [req (-> b (.timeout (java.time.Duration/ofSeconds 60)) (.GET) (.build))
resp (.send (http-client) req (java.net.http.HttpResponse$BodyHandlers/ofString))]
{:status (.statusCode resp) :body (.body resp)})))
@@ -52,6 +53,7 @@
(doseq [[k v] (or headers {})]
(.header b k v))
(let [req (-> b
+ (.timeout (java.time.Duration/ofSeconds 60))
(.POST (java.net.http.HttpRequest$BodyPublishers/ofString body))
(.build))
resp (.send (http-client) req (java.net.http.HttpResponse$BodyHandlers/ofString))]
@@ -67,6 +69,7 @@
b (java.net.http.HttpRequest/newBuilder (java.net.URI/create url))]
(.header b "Content-Type" "application/x-www-form-urlencoded")
(let [req (-> b
+ (.timeout (java.time.Duration/ofSeconds 60))
(.POST (java.net.http.HttpRequest$BodyPublishers/ofString pairs))
(.build))
resp (.send (http-client) req (java.net.http.HttpResponse$BodyHandlers/ofString))]
Hardlinks — judgments / attempts / prompt
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