srcdslab
diff --git a/‎AGENTS.md‎
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diff --git a/‎ARCHITECTURE.md‎
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diff --git a/‎README.md‎
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diff --git a/‎docker-compose.yml‎
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diff --git a/‎docker/Dockerfile‎
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diff --git a/‎docker/php/dev-prepend.php‎
Lines changed: 26 additions & 10 deletions b/‎docker/php/dev-prepend.php‎
Lines changed: 26 additions & 10 deletions
@@ -114,13 +114,16 @@ web/
 ├── configs/permissions/  web.json + sourcemod.json — bitmask flag definitions
 ├── tests/                PHPUnit (api/ for handlers, integration/ for flows)
 ├── bin/                  CLI tools (currently just generate-api-contract.php)
+├── init-recovery.php     Panel-runtime guard helpers + friendly error pages (#1335 C1 + M1)
 ├── install/              Install wizard self-hosters run on a fresh setup (#1332)
-│   ├── index.php             Entry point — paths-init → vendor/-check (recovery short-circuit) → bootstrap → dispatch
+│   ├── index.php             Entry point — paths-init → already-installed gate (#1335 C2) → vendor/-check (recovery short-circuit) → bootstrap → dispatch
 │   ├── init.php              Paths-only bootstrap (NEVER touches vendor/)
 │   ├── bootstrap.php         Composer + Smarty bootstrap (loaded only when vendor/ is present)
 │   ├── recovery.php          Self-contained "vendor/ missing" surface (pure inline HTML + CSS)
-│   ├── pages/page.<N>.php    Per-step page handlers (1=licence, …, 6=optional AMXBans import)
+│   ├── already-installed.php Self-contained "panel already installed" guard (#1335 C2 — pure inline HTML + CSS)
+│   ├── pages/page.<N>.php    Per-step page handlers (1=license, …, 6=optional AMXBans import)
 │   ├── includes/routing.php  Step → page-handler dispatch
+│   ├── includes/helpers.php  Shared step-handler helpers (prefix validation, raw-PDO probe, KV escape, PDO error translation)
 │   └── includes/sql/         struc.sql + data.sql — the schema source of truth
 ├── updater/              Per-version migrations existing installs run after upgrade
 ├── phpstan.neon          PHPStan level 5 + custom rules + dba bootstrap
@@ -147,8 +150,15 @@ Both scripts include `init.php` first, which performs identical bootstrap.
 
 1. Defines path constants (`ROOT`, `INCLUDES_PATH`, `TEMPLATES_PATH`, …)
    and the `IN_SB` sentinel that page files check.
-2. Bails if `config.php` is missing or if the `install/` or `updater/`
-   directories are present and the host isn't `localhost`.
+2. Redirects to `/install/` if `config.php` is missing (the
+   wizard is the canonical fresh-install path; #1335 M1 replaced
+   the bare-text `die()`). If `install/` or `updater/` are still
+   on disk after a successful install/upgrade, refuses to boot via
+   `web/init-recovery.php`'s `sbpp_check_install_guard()` —
+   unconditional in production, with a single explicit
+   `SBPP_DEV_KEEP_INSTALL` opt-in for the docker dev stack
+   (#1335 C1; the loopback / `HTTP_HOST` exemption was a
+   panel-takeover path and is gone).
 3. Loads Composer autoload (`includes/vendor/autoload.php`).
 4. Manually requires the auth + security + Database modules and
    initialises them. The classes themselves ARE PSR-4 namespaced
@@ -913,17 +923,23 @@ model:
 - **`docker/php/web-entrypoint.sh`** waits for MariaDB, renders
   `web/config.php` from env vars (only if absent), runs `composer install`
   if `vendor/` is empty, then `exec`s Apache.
-- **`docker/php/dev-prepend.php`** rewrites `HTTP_HOST` to `localhost`
-  for any loopback request so `init.php`'s install-folder guard accepts
-  the forwarded `:8080` port.
+- **`docker/php/dev-prepend.php`** defines `SBPP_DEV_KEEP_INSTALL`
+  on every request so `web/init-recovery.php`'s
+  `sbpp_check_install_guard()` skips the install/ + updater/-presence
+  refusal — the dev stack ships those directories on the bind mount
+  by design (the wizard isn't exercised locally; `docker/db-init/`
+  seeds the schema out of band). Pre-#1335 this file rewrote
+  `HTTP_HOST` to `localhost` to ride a `init.php` exemption that
+  was a panel-takeover path in production; the explicit
+  loud-named-define escape hatch replaced it.
 - **`docker/db-init/00-render-schema.sh`** runs once on first DB boot:
   substitutes `{prefix}` / `{charset}` in `struc.sql` + `data.sql`,
   loads them, and seeds an `admin` row with bcrypt of `admin`.
 - **`sbpp.sh`** is a thin wrapper around `docker compose` plus the
   quality gates and DB tasks. Run `./sbpp.sh -h` for the full menu.
 
-The seeded admin password and the `HTTP_HOST` shim are dev-only and
-documented as such in `docker-compose.yml`.
+The seeded admin password and the `SBPP_DEV_KEEP_INSTALL` constant are
+dev-only and documented as such in `docker-compose.yml`.
 
 ## Quality gates
 
@@ -1073,3 +1089,6 @@ but don't bulk-rewrite legacy code without justification.
 | `htmlspecialchars_decode` on JSON params   | Store raw UTF-8; Smarty auto-escape handles display (#1108) |
 | `DB_CHARSET = 'utf8'` (3-byte alias)       | `utf8mb4` end-to-end (panel PDO + plugin `SET NAMES`) (#1108)|
 | TinyMCE WYSIWYG for `dash.intro.text`      | Plain `<textarea>` + `Sbpp\Markup\IntroRenderer` (CommonMark, escape unsafe HTML) (#1113) |
+| `init.php`'s `HTTP_HOST != 'localhost'` exemption on the install/ + updater/-presence guard | Unconditional guard via `web/init-recovery.php`'s `sbpp_check_install_guard()`; docker dev rides explicit `SBPP_DEV_KEEP_INSTALL` constant (#1335 C1) |
+| Bare-text `die()` in `init.php` for missing-config / install-still-present / autoload-missing paths | Self-contained chrome via `web/init-recovery.php`'s `sbpp_render_install_blocked_page()` (mirror of `recovery.php`'s pure-inline-HTML contract) (#1335 M1) |
+| `/install/` walkable on a panel where `config.php` already exists | Wizard refuses to start via `web/install/already-installed.php`'s 409 surface (#1335 C2) |
@@ -54,6 +54,13 @@ MariaDB, including shared hosting (cPanel, DirectAdmin, Plesk).
    to your web root (`public_html/`, `htdocs/`, `www/`, …) via your
    host's File Manager or any FTP/SFTP client. The plugin tarball
    goes onto your game server under `addons/sourcemod/`.
+
+   If the wizard's environment check (next step) flags any folder
+   as "Not writable", set permissions to `0775` (or `0777` on shared
+   hosts where you don't control the PHP user) on `web/demos/`,
+   `web/cache/`, `web/images/games/`, and `web/images/maps/`. Most
+   hosts let you do this through File Manager → Properties; over
+   SSH it's `chmod -R 0775 web/{demos,cache,images}`.
 4. **Run the installer.** Visit `https://your-panel-url/install/` in
    a browser and follow the wizard — license, database details,
    environment check, schema install, admin account, done.
 
@@ -4,9 +4,10 @@
 #   ./sbpp.sh logs         # tail web/db logs
 #   open http://localhost:8080  # panel — login admin / admin
 #
-# This file is for development only. Do NOT use it in production: it disables
-# the install-folder safety check, ships a known admin password, and exposes
-# the database port to the host.
+# This file is for development only. Do NOT use it in production: it ships a
+# known admin password, exposes the database port to the host, and the dev
+# image defines `SBPP_DEV_KEEP_INSTALL` (issue #1335 C1) so init.php's
+# install/ + updater/ presence guard skips during dev.
 
 services:
   web:
 
@@ -41,9 +41,9 @@ COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
 
 # Sensible PHP defaults for development: errors on, generous limits, opcache
 # revalidates on every request so file edits are picked up immediately.
-# auto_prepend_file normalizes HTTP_HOST so init.php's "delete install/"
-# check (which only matches a bare "localhost") doesn't trip when serving on
-# localhost:8080.
+# auto_prepend_file defines `SBPP_DEV_KEEP_INSTALL` (issue #1335 C1) so
+# init.php's install/ + updater/ presence guard skips during dev — the
+# bind-mounted worktree carries both directories from git.
 COPY docker/php/dev-prepend.php /usr/local/etc/php/dev-prepend.php
 RUN { \
         echo 'memory_limit=256M'; \
 
@@ -1,14 +1,30 @@
 <?php
 // Auto-prepended on every request inside the dev container.
 //
-// init.php has a guard:
-//   if ($_SERVER['HTTP_HOST'] != "localhost" && !defined("IS_UPDATE")) {
-//       if (file_exists(ROOT."/install")) { die('Please delete the install directory'); }
-//   }
-// That bare-string match doesn't accept "localhost:8080" or "127.0.0.1", so
-// the panel refuses to load. Strip the port for any loopback host so the
-// guard sees the value it expects without weakening it for real deployments.
-if (isset($_SERVER['HTTP_HOST'])
-    && preg_match('/^(localhost|127\.0\.0\.1|\[::1\])(:\d+)?$/i', $_SERVER['HTTP_HOST'])) {
-    $_SERVER['HTTP_HOST'] = 'localhost';
+// Issue #1335 C1: pre-#1335 init.php exempted `HTTP_HOST == "localhost"`
+// from the install/ + updater/ presence guard, and this file's job was
+// to rewrite `HTTP_HOST` to drop the port (`localhost:8080` -> `localhost`)
+// so the bare-string match would accept dev requests. That entire
+// shape was a panel-takeover path — anyone reaching a production
+// panel with a `localhost` Host header (port-forward, SSH tunnel,
+// ngrok, Cloudflare Tunnel) bypassed the guard.
+//
+// The post-#1335 contract: init.php's guard is unconditional, with a
+// single explicit dev-only escape hatch. Defining `SBPP_DEV_KEEP_INSTALL`
+// here tells `sbpp_check_install_guard()` to skip the install/ +
+// updater/ presence check. The constant is loud-named so a
+// production-side define is visibly wrong; the panel's release
+// tarball has no path to set it; only the dev container's
+// `auto_prepend_file` ini directive (configured in
+// `docker/Dockerfile`) actually defines it.
+//
+// The dev container needs the escape hatch because the worktree is
+// bind-mounted into the panel's web root and includes both
+// `install/` and `updater/` from git. Deleting either is not an
+// option in dev — the docker-compose dev stack seeds the DB out of
+// band (the wizard isn't exercised), but `install/` itself stays in
+// place so wizard development happens against the same files that
+// ship to production.
+if (!defined('SBPP_DEV_KEEP_INSTALL')) {
+    define('SBPP_DEV_KEEP_INSTALL', true);
 }