web: start: add vnc-viewer feature

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

.gitignore

@@ -35,3 +35,4 @@ data/
 web/components.json
 web/navigation.json
 web/pages.json
+web/vendor/

web/build.sh

@@ -68,9 +68,37 @@ parse_repo_url() {
     echo "${proto}://${host}" "$owner" "$repo"
 }
 
+# Build the commits API URL — handles GitHub (api.github.com) vs Gitea (/api/v1).
+forge_commits_url() {
+    local server="$1" owner="$2" repo="$3" ref="$4"
+    if [[ "$server" == "https://github.com" ]]; then
+        echo "https://api.github.com/repos/${owner}/${repo}/commits?sha=${ref}&per_page=1"
+    else
+        echo "${server}/api/v1/repos/${owner}/${repo}/commits?sha=${ref}&limit=1"
+    fi
+}
+
+# Build the contents API URL for a given path (empty = repo root).
+forge_contents_url() {
+    local server="$1" owner="$2" repo="$3" ref="$4" path="$5"
+    if [[ "$server" == "https://github.com" ]]; then
+        if [[ -z "$path" ]]; then
+            echo "https://api.github.com/repos/${owner}/${repo}/contents?ref=${ref}"
+        else
+            echo "https://api.github.com/repos/${owner}/${repo}/contents/${path}?ref=${ref}"
+        fi
+    else
+        if [[ -z "$path" ]]; then
+            echo "${server}/api/v1/repos/${owner}/${repo}/contents?ref=${ref}"
+        else
+            echo "${server}/api/v1/repos/${owner}/${repo}/contents/${path}?ref=${ref}"
+        fi
+    fi
+}
+
 resolve_commit() {
     local server="$1" owner="$2" repo="$3" ref="$4"
-    api_get "${server}/api/v1/repos/${owner}/${repo}/commits?sha=${ref}&limit=1" \
+    api_get "$(forge_commits_url "$server" "$owner" "$repo" "$ref")" \
         | jq -r '.[0].sha // empty'
 }
 
@@ -79,11 +107,7 @@ download_path() {
     local server="$1" owner="$2" repo="$3" ref="$4" rpath="$5" dest="$6"
 
     local api
-    if [[ -z "$rpath" ]]; then
+    api="$(forge_contents_url "$server" "$owner" "$repo" "$ref" "$rpath")"
-        api="${server}/api/v1/repos/${owner}/${repo}/contents?ref=${ref}"
-    else
-        api="${server}/api/v1/repos/${owner}/${repo}/contents/${rpath}?ref=${ref}"
-    fi
 
     local listing
     listing="$(api_get "$api")"
@@ -105,8 +129,6 @@ download_path() {
     done < <(echo "$listing" | jq -c 'if type=="array" then .[] else . end')
 }
 
-# ── Download WASM libs ───────────────────────────────────────────────────────────
-
 # ── Read manifest ────────────────────────────────────────────────────────────────
 
 PAGES_DIR="${WEB_DIR}/pages"
@@ -115,6 +137,35 @@ mapfile -t LOCALS       < <(yq '(.local_components // [])[]' "$MANIFEST")
 mapfile -t REMOTES      < <(yq '(.components   // [])[] | [.name, .repo, (.ref // "main")] | join("|")' "$MANIFEST")
 mapfile -t LOCAL_PAGES  < <(yq '(.local_pages  // [])[]' "$MANIFEST")
 mapfile -t REMOTE_PAGES < <(yq '(.remote_pages // [])[] | [.name, .repo, (.ref // "main")] | join("|")' "$MANIFEST")
+mapfile -t VENDORS      < <(yq '(.vendors // [])[] | [.name, .repo, (.ref // "main"), (.path // ""), (.dest // "")] | join("|")' "$MANIFEST")
+
+# ── Download vendors ────────────────────────────────────────────────────────────
+# Vendors are third-party libraries downloaded into web/vendor/ at build time.
+# They are gitignored and never loaded by components.json — components import
+# them directly via relative paths (e.g. ../../vendor/novnc/core/rfb.js).
+
+for spec in "${VENDORS[@]}"; do
+    [[ -z "$spec" ]] && continue
+    IFS='|' read -r name repo ref vpath dest <<<"$spec"
+    [[ -z "$name" || -z "$repo" ]] && die "vendor entry missing name or repo: '$spec'"
+
+    read -r server owner gitrepo <<<"$(parse_repo_url "$repo")"
+    [[ -z "$dest" ]] && dest="vendor/${name}"
+    local_dest="${WEB_DIR}/${dest}"
+
+    if [[ "$CHECK_ONLY" == true ]]; then
+        info "would fetch vendor ${name} from ${repo}@${ref} path=${vpath:-/}"
+        continue
+    fi
+
+    log "fetching vendor ${name} ← ${owner}/${gitrepo}@${ref}${vpath:+ path=}${vpath}"
+    commit="$(resolve_commit "$server" "$owner" "$gitrepo" "$ref")"
+    [[ -z "$commit" ]] && die "cannot resolve ref '${ref}' in ${owner}/${gitrepo}"
+
+    rm -rf "$local_dest"
+    download_path "$server" "$owner" "$gitrepo" "$ref" "$vpath" "$local_dest"
+    info "  vendor '${name}' → ${dest} (${commit:0:12})"
+done
 
 # Ordered list of load paths for components.json
 declare -a LOAD_PATHS=()

web/components.yml

@@ -17,6 +17,7 @@ local_components:
   - side-panel
   - date-display
   - form-vm
+  - vnc-viewer
 
 # Remote components fetched from git at build time.
 # Each is its own repo; its root must contain <name>.js and manifest.json.
@@ -26,6 +27,22 @@ local_components:
 #     ref:  v1.2.0                                     # tag, branch or commit (default: main)
 components: []
 
+# Vendor libraries — downloaded into web/vendor/ at build time (gitignored).
+# Components import them via relative paths, never via components.json.
+# path: restrict download to a subdirectory of the repo (optional).
+# dest: destination under web/ (default: vendor/<name>).
+vendors:
+  - name: novnc-core
+    repo: https://github.com/novnc/noVNC
+    ref:  v1.5.0
+    path: core
+    dest: vendor/novnc/core
+  - name: novnc-vendor
+    repo: https://github.com/novnc/noVNC
+    ref:  v1.5.0
+    path: vendor
+    dest: vendor/novnc/vendor
+
 # Pages — each page is a self-contained directory (JS + CSS + manifest.json).
 # Same model as components: local pages ship in this repo, remote pages are
 # downloaded from git at build time. build.sh reads each manifest.json to

web/components/vnc-viewer/manifest.json

@@ -0,0 +1,4 @@
+{
+  "tag": "vnc-viewer",
+  "version": "0.1.0"
+}

web/components/vnc-viewer/vnc-viewer.js

@@ -0,0 +1,164 @@
+// VNC viewer component — wraps noVNC RFB.
+//
+// Usage (in a side-panel or page):
+//   <vnc-viewer vm="i-test1"></vnc-viewer>
+//
+// Connects to ws://<agent-host>:9000/vnc/<vm-name> via the VNC gateway (cmd/vncd).
+// Agent host is read from login-gate credentials; falls back to location.hostname.
+//
+// Attributes:
+//   vm       — VM name (required)
+//   port     — gateway port (default: 9000)
+
+import RFB from '../../vendor/novnc/core/rfb.js'
+
+const RECONNECT_DELAY = 3000  // ms between auto-reconnect attempts
+
+class VncViewer extends HTMLElement {
+  #rfb      = null
+  #retryTimer = null
+
+  connectedCallback() {
+    this.attachShadow({ mode: 'open' })
+    this.#render()
+    this.#connect()
+  }
+
+  disconnectedCallback() {
+    clearTimeout(this.#retryTimer)
+    this.#rfb?.disconnect()
+    this.#rfb = null
+  }
+
+  // ── Render ──────────────────────────────────────────────────────────────────
+
+  #render() {
+    this.shadowRoot.innerHTML = `
+      <style>
+        :host {
+          display: flex;
+          flex-direction: column;
+          width: 100%;
+          height: 100%;
+          min-height: 400px;
+          background: #000;
+          border-radius: 6px;
+          overflow: hidden;
+        }
+        #screen { flex: 1; overflow: hidden; }
+        #statusbar {
+          display: flex;
+          align-items: center;
+          gap: 8px;
+          padding: 6px 12px;
+          background: #1e1e2e;
+          border-top: 1px solid #313244;
+          flex-shrink: 0;
+        }
+        .dot {
+          width: 8px; height: 8px;
+          border-radius: 50%;
+          background: #6c7086;
+          flex-shrink: 0;
+        }
+        .dot.connected    { background: #a6e3a1; }
+        .dot.disconnected { background: #f38ba8; }
+        .dot.connecting   { background: #f9e2af; }
+        #status-text {
+          font-size: 12px;
+          font-family: monospace;
+          color: #6c7086;
+        }
+        .spacer { flex: 1; }
+        button {
+          background: transparent;
+          border: 1px solid #45475a;
+          border-radius: 4px;
+          padding: 3px 8px;
+          color: #a6adc8;
+          font-size: 11px;
+          cursor: pointer;
+        }
+        button:hover { background: #313244; }
+      </style>
+
+      <div id="screen"></div>
+      <div id="statusbar">
+        <span class="dot connecting" id="dot"></span>
+        <span id="status-text">Connexion…</span>
+        <span class="spacer"></span>
+        <button id="fullscreen-btn" title="Plein écran">⛶</button>
+        <button id="reconnect-btn" title="Reconnecter">↺</button>
+      </div>
+    `
+
+    this.shadowRoot.getElementById('fullscreen-btn')
+      .addEventListener('click', () => this.#toggleFullscreen())
+
+    this.shadowRoot.getElementById('reconnect-btn')
+      .addEventListener('click', () => { this.#rfb?.disconnect(); this.#connect() })
+  }
+
+  // ── Connection ───────────────────────────────────────────────────────────────
+
+  #wsUrl() {
+    const vm   = this.getAttribute('vm')
+    const port = this.getAttribute('port') ?? '9000'
+    const creds = document.querySelector('login-gate')?.credentials
+    const host  = creds?.agent_url
+      ? new URL(creds.agent_url).hostname
+      : location.hostname
+    return `ws://${host}:${port}/vnc/${vm}`
+  }
+
+  #connect() {
+    const vm = this.getAttribute('vm')
+    if (!vm) { this.#setStatus('disconnected', 'Attribut vm manquant'); return }
+
+    const url = this.#wsUrl()
+    this.#setStatus('connecting', `Connexion à ${url}…`)
+
+    this.#rfb = new RFB(this.shadowRoot.getElementById('screen'), url)
+    this.#rfb.scaleViewport = true
+    this.#rfb.resizeSession = false
+
+    this.#rfb.addEventListener('connect', () => {
+      this.#setStatus('connected', 'Connecté')
+    })
+
+    this.#rfb.addEventListener('disconnect', e => {
+      const clean = e.detail?.clean ?? false
+      if (clean) {
+        this.#setStatus('disconnected', 'Déconnecté')
+      } else {
+        this.#setStatus('disconnected', 'Déconnecté — reconnexion dans 3s…')
+        this.#retryTimer = setTimeout(() => this.#connect(), RECONNECT_DELAY)
+      }
+    })
+
+    this.#rfb.addEventListener('credentialsrequired', () => {
+      this.#rfb.sendCredentials({ password: '' })
+    })
+  }
+
+  // ── Helpers ──────────────────────────────────────────────────────────────────
+
+  #setStatus(state, msg) {
+    const dot  = this.shadowRoot.getElementById('dot')
+    const text = this.shadowRoot.getElementById('status-text')
+    if (!dot || !text) return
+    dot.className  = `dot ${state}`
+    text.textContent = msg
+  }
+
+  #toggleFullscreen() {
+    const screen = this.shadowRoot.getElementById('screen')
+    if (!document.fullscreenElement) {
+      screen.requestFullscreen?.()
+    } else {
+      document.exitFullscreen?.()
+    }
+  }
+}
+
+customElements.define('vnc-viewer', VncViewer)

web/pages/dashboard/dashboard.js

@@ -38,6 +38,17 @@ export function init(main) {
     })
   })
 
+  main.querySelectorAll('[data-action="console"]').forEach(btn => {
+    btn.addEventListener('click', () => {
+      SidePanel.open({
+        title: 'afficher une consol',
+        width: '700px',
+        content: `<vnc-viewer vm="i-test1"></vnc-viewer>`
+      })
+      // form-vm gère son propre submit et dispatche vm-saved — pas besoin de querySelector
+    })
+  })
+
   // vm-saved est attaché sur main (pas document) → nettoyé automatiquement
   // quand le router remplace le contenu de <main>
   main.addEventListener('vm-saved', e => {

web/pages/dashboard/index.html

@@ -21,4 +21,9 @@
            padding:7px 14px;color:#a6e3a1;font-size:13px;cursor:pointer;">
     Edition
   </button>
+  <button data-action="console"
+    style="background:#313244;border:1px solid #45475a;border-radius:6px;
+           padding:7px 14px;color:#a6e3a1;font-size:13px;cursor:pointer;">
+    Ouvrir la console
+  </button>
 </div>