Scanners Steam, Epic, GOG, Ubisoft Connect et EA app (registre, VDF/ACF, manifestes), isolés derrière une interface commune

src/main/scanners/ea.ts

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+/* EA app (et anciens jeux Origin) : dossiers d'installation dans le registre ; l'exe vient de
+   __Installer\installerdata.xml (<filePath>[clé]\jeu.exe</filePath>). Lancement direct : l'EA app prend le relais pour les DRM. */
+import { win32 as path } from 'node:path'
+import { children } from './reg'
+import type { Scanner, ScanEnv, ScannedGame } from './types'
+
+export const EA_KEYS = ['HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\EA Games', 'HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\Origin Games']
+
+/* Exécutable et titre dans installerdata.xml */
+export function parseInstallerData(xml: string): { exe?: string; title?: string; id?: string } {
+  const fp = xml.match(/<runtime>[\s\S]*?<filePath>([^<]+)<\/filePath>/i)?.[1]
+  const exe = fp?.replace(/^\[[^\]]*\]/, '').replace(/^[\\/]+/, '').trim()
+  // titre anglais en priorité : c'est sous ce nom que les jaquettes sont trouvées
+  const title = xml.match(/<gameTitle[^>]*locale="en_US"[^>]*>([^<]+)</i)?.[1] ?? xml.match(/<gameTitle[^>]*>([^<]+)</i)?.[1]
+  const id = xml.match(/<contentID>([^<]+)<\/contentID>/i)?.[1]
+  return { exe: exe || undefined, title: title?.trim(), id: id?.trim() }
+}
+
+export async function eaGames(env: ScanEnv): Promise<ScannedGame[]> {
+  const out: ScannedGame[] = []
+  for (const key of EA_KEYS) {
+    for (const [sub, v] of children(await env.reg(key), key)) {
+      const dir = v['Install Dir'] ?? v.InstallDir
+      if (!dir) continue
+      const base = path.normalize(dir)
+      const xml = path.join(base, '__Installer', 'installerdata.xml')
+      const info = env.exists(xml) ? parseInstallerData(env.readText(xml)) : {}
+      const exe = info.exe ? path.join(base, info.exe) : undefined
+      if (!exe || !env.exists(exe)) continue // sans exe fiable on ne propose pas le jeu
+      out.push({ platform: 'ea', platformId: info.id ?? sub, name: v.DisplayName ?? info.title ?? sub, installDir: base, exe, workDir: path.dirname(exe), installed: true })
+    }
+  }
+  return out
+}
+
+export const ea: Scanner = { id: 'ea', name: 'EA app', scan: eaGames }

src/main/scanners/epic.ts

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+/* Epic Games : manifestes JSON *.item dans ProgramData, lancement par le protocole du launcher Epic. */
+import { win32 as path } from 'node:path'
+import type { Scanner, ScannedGame } from './types'
+
+interface EpicItem {
+  DisplayName?: string
+  InstallLocation?: string
+  LaunchExecutable?: string
+  LaunchCommand?: string
+  CatalogNamespace?: string
+  CatalogItemId?: string
+  AppName?: string
+  MainGameAppName?: string
+  bIsIncompleteInstall?: boolean
+  bIsApplication?: boolean
+  AppCategories?: string[]
+}
+
+export function parseEpicItem(json: string): ScannedGame | null {
+  const it = JSON.parse(json) as EpicItem
+  if (!it.AppName || !it.DisplayName || !it.CatalogNamespace || !it.CatalogItemId) return null
+  if (it.MainGameAppName && it.MainGameAppName !== it.AppName) return null // DLC
+  const cats = it.AppCategories ?? []
+  if (cats.length && !cats.includes('games')) return null // Unreal Engine, plugins…
+  const id = `${it.CatalogNamespace}:${it.CatalogItemId}:${it.AppName}`
+  return {
+    platform: 'epic',
+    platformId: it.AppName,
+    name: it.DisplayName,
+    installDir: it.InstallLocation ? path.normalize(it.InstallLocation) : undefined,
+    exe: it.InstallLocation && it.LaunchExecutable ? path.join(it.InstallLocation, it.LaunchExecutable) : undefined,
+    launchUri: `com.epicgames.launcher://apps/${encodeURIComponent(id)}?action=launch&silent=true`,
+    installed: !it.bIsIncompleteInstall
+  }
+}
+
+export const epic: Scanner = {
+  id: 'epic',
+  name: 'Epic Games',
+  async scan(env) {
+    const dir = path.join(env.programData, 'Epic', 'EpicGamesLauncher', 'Data', 'Manifests')
+    const out: ScannedGame[] = []
+    for (const f of env.list(dir)) {
+      if (!f.toLowerCase().endsWith('.item')) continue
+      try {
+        const g = parseEpicItem(env.readText(path.join(dir, f)))
+        if (g) out.push(g)
+      } catch {
+        /* manifeste illisible : on passe au suivant */
+      }
+    }
+    return out
+  }
+}

src/main/scanners/gog.ts

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+/* GOG Galaxy : une sous-clé de registre par jeu, lancement direct de l'exe (Galaxy pas nécessaire). */
+import { win32 as path } from 'node:path'
+import { children } from './reg'
+import type { Scanner, ScannedGame } from './types'
+
+export const GOG_KEY = 'HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\GOG.com\\Games'
+
+export function gogFromReg(map: Map<string, Record<string, string>>): ScannedGame[] {
+  const out: ScannedGame[] = []
+  for (const [id, v] of children(map, GOG_KEY)) {
+    if (v.dependsOn) continue // DLC
+    const name = v.gameName ?? v.GAMENAME, exe = v.exe ?? v.EXE, dir = v.path ?? v.PATH
+    if (!name || !exe) continue
+    out.push({
+      platform: 'gog',
+      platformId: v.gameID ?? id,
+      name,
+      installDir: dir ? path.normalize(dir) : path.dirname(exe),
+      exe: path.normalize(exe),
+      args: v.launchParam || undefined,
+      workDir: v.workingDir ? path.normalize(v.workingDir) : undefined,
+      installed: true
+    })
+  }
+  return out
+}
+
+export const gog: Scanner = {
+  id: 'gog',
+  name: 'GOG Galaxy',
+  async scan(env) {
+    return gogFromReg(await env.reg(GOG_KEY)).filter((g) => env.exists(g.exe!))
+  }
+}

src/main/scanners/index.ts

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+/* Lance les scanners actifs en parallèle ; un scanner qui échoue ou traîne est ignoré et journalisé. */
+import { existsSync, readdirSync, readFileSync } from 'node:fs'
+import type { ScannerId, Settings } from '../../shared/types'
+import { log } from '../log'
+import { ea } from './ea'
+import { epic } from './epic'
+import { gog } from './gog'
+import { regQuery } from './reg'
+import { steam } from './steam'
+import type { Scanner, ScanEnv, ScannedGame } from './types'
+import { ubisoft } from './ubisoft'
+
+const L = log('scan')
+export const ALL_SCANNERS: Scanner[] = [steam, epic, gog, ubisoft, ea]
+
+export const realEnv: ScanEnv = {
+  programData: process.env.PROGRAMDATA ?? 'C:\\ProgramData',
+  reg: regQuery,
+  exists: (p) => existsSync(p),
+  readText: (p) => readFileSync(p, 'utf8'),
+  list: (d) => { try { return readdirSync(d) } catch { return [] } }
+}
+
+export interface ScanResult {
+  ok: Partial<Record<ScannerId, ScannedGame[]>> // scanners terminés (même avec 0 jeu)
+  failed: ScannerId[]
+}
+
+const withTimeout = <T>(p: Promise<T>, ms: number) => Promise.race([p, new Promise<T>((_, rej) => setTimeout(() => rej(new Error(`délai dépassé (${ms} ms)`)), ms))])
+
+export async function runScanners(settings: Settings, env: ScanEnv = realEnv, scanners = ALL_SCANNERS): Promise<ScanResult> {
+  const res: ScanResult = { ok: {}, failed: [] }
+  await Promise.all(
+    scanners.filter((s) => settings.scanners[s.id]).map(async (s) => {
+      const t = Date.now()
+      try {
+        res.ok[s.id] = await withTimeout(s.scan(env), 30000)
+        L.info(s.name, res.ok[s.id]!.length, 'jeux en', Date.now() - t, 'ms')
+      } catch (e) {
+        res.failed.push(s.id)
+        L.error(s.name, 'a échoué', e)
+      }
+    })
+  )
+  return res
+}

src/main/scanners/merge.ts

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+/* Fusion d'un scan avec la bibliothèque existante. Pur : testé sans Windows.
+   - jeu nouveau : ajouté (addedAt = maintenant)
+   - jeu connu : chemins / lancement mis à jour, données de l'utilisateur gardées (favori, temps, collections, nom modifié)
+   - jeu d'un scanner terminé mais plus trouvé : marqué désinstallé (jamais supprimé : on garde temps de jeu et collections)
+   - scanner en échec ou désactivé : ses jeux ne bougent pas
+   - doublons : même id, ou même dossier d'installation qu'un jeu d'une plateforme (le jeu ajouté à la main est fusionné dedans) */
+import type { Game, ScannerId } from '../../shared/types'
+import type { ScanResult } from './index'
+import type { ScannedGame } from './types'
+
+export const gameId = (g: Pick<Game, 'platform' | 'platformId'>) => `${g.platform}:${g.platformId}`
+const norm = (p?: string) => p?.toLowerCase().replace(/[\\/]+$/, '').replace(/\//g, '\\')
+
+export interface MergeStats { added: number; updated: number; uninstalled: number; merged: number }
+
+export function mergeScan(existing: Game[], result: Pick<ScanResult, 'ok'>, now = Date.now()): { games: Game[]; stats: MergeStats } {
+  const byId = new Map(existing.map((g) => [g.id, { ...g }]))
+  const stats: MergeStats = { added: 0, updated: 0, uninstalled: 0, merged: 0 }
+  const seen = new Set<string>()
+
+  for (const [scanner, list] of Object.entries(result.ok) as [ScannerId, ScannedGame[]][]) {
+    for (const s of list) {
+      const id = gameId(s)
+      if (seen.has(id)) continue // même jeu listé deux fois (deux bibliothèques Steam…)
+      seen.add(id)
+      const old = byId.get(id)
+      const fresh = { installDir: s.installDir, exe: s.exe ?? old?.exe, launchUri: s.launchUri, steamAppId: s.steamAppId ?? old?.steamAppId, installed: s.installed ?? true }
+      if (old) {
+        Object.assign(old, fresh, old.nameLocked ? {} : { name: s.name }, old.argsLocked ? {} : { args: s.args, workDir: s.workDir })
+        stats.updated++
+      } else {
+        byId.set(id, { id, platform: s.platform, platformId: s.platformId, name: s.name, args: s.args, workDir: s.workDir, ...fresh, favorite: false, hidden: false, addedAt: now, playtime: 0, collections: [], media: {} })
+        stats.added++
+      }
+    }
+    for (const g of byId.values()) {
+      if (g.platform === scanner && !seen.has(g.id) && g.installed) { g.installed = false; stats.uninstalled++ }
+    }
+  }
+
+  // un jeu ajouté à la main dont l'exe est dans le dossier d'un jeu détecté : on fusionne dans le jeu détecté
+  const platformGames = [...byId.values()].filter((g) => g.platform !== 'manual' && g.installDir)
+  for (const m of [...byId.values()].filter((g) => g.platform === 'manual' && g.exe)) {
+    const exe = norm(m.exe)!
+    const host = platformGames.find((g) => exe.startsWith(norm(g.installDir)! + '\\'))
+    if (!host) continue
+    host.playtime += m.playtime
+    host.favorite ||= m.favorite
+    host.lastPlayed = Math.max(host.lastPlayed ?? 0, m.lastPlayed ?? 0) || undefined
+    host.collections = [...new Set([...host.collections, ...m.collections])]
+    host.media = { ...m.media, ...host.media }
+    byId.delete(m.id)
+    stats.merged++
+  }
+  return { games: [...byId.values()], stats }
+}

src/main/scanners/reg.ts

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+/* Lecture du registre Windows via reg.exe (pas de module natif). Parseur pur, testé. */
+import { execFile } from 'node:child_process'
+
+/* Sortie de `reg query <clé> /s` -> clé complète -> { nomDeValeur: donnée } ; la valeur par défaut a le nom "" */
+export function parseReg(out: string): Map<string, Record<string, string>> {
+  const res = new Map<string, Record<string, string>>()
+  let cur: Record<string, string> | null = null
+  for (const raw of out.split(/\r?\n/)) {
+    if (!raw.trim()) continue
+    if (/^HKEY_/i.test(raw)) {
+      cur = {}
+      res.set(raw.trim().toUpperCase(), cur)
+      continue
+    }
+    const m = raw.match(/^\s{2,}(.*?)\s{2,}(REG_\w+)(?:\s{2,}(.*))?$/)
+    if (m && cur) cur[m[1] === '(Default)' || m[1] === '(par défaut)' ? '' : m[1]] = m[3] ?? ''
+  }
+  return res
+}
+
+export function regQuery(key: string): Promise<Map<string, Record<string, string>>> {
+  if (process.platform !== 'win32') return Promise.resolve(new Map())
+  return new Promise((resolve) => {
+    execFile('reg', ['query', key, '/s'], { windowsHide: true, timeout: 15000, maxBuffer: 32 * 1024 * 1024 }, (err, stdout) => {
+      resolve(err ? new Map() : parseReg(stdout)) // clé absente = rien d'installé, pas une erreur
+    })
+  })
+}
+
+/* Sous-clés directes d'une clé (une entrée par jeu chez GOG / Ubisoft) */
+export function children(map: Map<string, Record<string, string>>, parent: string): [string, Record<string, string>][] {
+  const p = parent.toUpperCase() + '\\'
+  return [...map].filter(([k]) => k.startsWith(p) && !k.slice(p.length).includes('\\')).map(([k, v]) => [k.slice(p.length), v])
+}

src/main/scanners/steam.ts

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+/* Steam : dossier via le registre, bibliothèques via libraryfolders.vdf, jeux via appmanifest_*.acf. */
+import { win32 as path } from 'node:path'
+import type { Scanner, ScanEnv, ScannedGame } from './types'
+import { get, parseVdf, type Vdf } from './vdf'
+
+// outils et runtimes listés comme des jeux par Steam
+const NOT_GAMES = /^(Steamworks Common Redistributables|Steam Linux Runtime.*|Proton.*|SteamVR.*|Steam Controller Configs|Spacewar)$/i
+const TOOL_IDS = new Set(['228980', '1070560', '1391110', '1628350', '250820', '1493710'])
+
+export async function steamRoot(env: ScanEnv): Promise<string | null> {
+  for (const key of ['HKCU\\Software\\Valve\\Steam', 'HKLM\\SOFTWARE\\WOW6432Node\\Valve\\Steam', 'HKLM\\SOFTWARE\\Valve\\Steam']) {
+    for (const vals of (await env.reg(key)).values()) {
+      const p = vals.SteamPath ?? vals.InstallPath
+      if (p) return path.normalize(p)
+    }
+  }
+  const def = 'C:\\Program Files (x86)\\Steam'
+  return env.exists(def) ? def : null
+}
+
+/* Dossiers de bibliothèque : format récent ("0" { "path" … }) et ancien ("1" "D:\\Steam") */
+export function libraryPaths(vdfText: string, root: string): string[] {
+  const lf = get(parseVdf(vdfText), 'libraryfolders')
+  const out = new Set([path.normalize(root)])
+  if (lf && typeof lf === 'object') {
+    for (const [k, v] of Object.entries(lf)) {
+      if (!/^\d+$/.test(k)) continue
+      const p = typeof v === 'string' ? v : (get(v, 'path') as string | undefined)
+      if (p) out.add(path.normalize(p))
+    }
+  }
+  return [...out]
+}
+
+export function parseManifest(acf: string, library: string): ScannedGame | null {
+  const st = get(parseVdf(acf), 'AppState') as Vdf | undefined
+  const appid = get(st, 'appid'), name = get(st, 'name'), dir = get(st, 'installdir'), flags = Number(get(st, 'StateFlags') ?? 0)
+  if (typeof appid !== 'string' || typeof name !== 'string' || TOOL_IDS.has(appid) || NOT_GAMES.test(name)) return null
+  return {
+    platform: 'steam',
+    platformId: appid,
+    name,
+    steamAppId: appid,
+    installDir: typeof dir === 'string' ? path.join(library, 'steamapps', 'common', dir) : undefined,
+    launchUri: `steam://rungameid/${appid}`,
+    installed: (flags & 4) === 4 // 4 = entièrement installé
+  }
+}
+
+export const steam: Scanner = {
+  id: 'steam',
+  name: 'Steam',
+  async scan(env) {
+    const root = await steamRoot(env)
+    if (!root) return []
+    const vdf = path.join(root, 'steamapps', 'libraryfolders.vdf')
+    const libs = env.exists(vdf) ? libraryPaths(env.readText(vdf), root) : [root]
+    const games: ScannedGame[] = []
+    for (const lib of libs) {
+      const apps = path.join(lib, 'steamapps')
+      for (const f of env.list(apps)) {
+        if (!/^appmanifest_\d+\.acf$/i.test(f)) continue
+        try {
+          const g = parseManifest(env.readText(path.join(apps, f)), lib)
+          if (g) games.push(g)
+        } catch {
+          /* manifeste en cours d'écriture par Steam : ignoré ce coup-ci */
+        }
+      }
+    }
+    return games
+  }
+}

src/main/scanners/types.ts

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+/* Interface commune des scanners : chacun est isolé, peut échouer sans gêner les autres. */
+import type { Game, ScannerId } from '../../shared/types'
+
+export type ScannedGame = Pick<Game, 'platform' | 'platformId' | 'name'> & Partial<Pick<Game, 'installDir' | 'exe' | 'args' | 'workDir' | 'launchUri' | 'steamAppId' | 'installed'>>
+
+export interface ScanEnv {
+  programData: string // C:\ProgramData
+  reg: (key: string) => Promise<Map<string, Record<string, string>>> // lecture du registre (récursive)
+  exists: (p: string) => boolean
+  readText: (p: string) => string
+  list: (dir: string) => string[] // noms de fichiers d'un dossier ([] s'il n'existe pas)
+}
+
+export interface Scanner {
+  id: ScannerId
+  name: string
+  scan: (env: ScanEnv) => Promise<ScannedGame[]>
+}

src/main/scanners/ubisoft.ts

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+/* Ubisoft Connect : jeux installés dans le registre, lancement via uplay://. Le nom vient du dossier d'installation. */
+import { win32 as path } from 'node:path'
+import { children } from './reg'
+import type { Scanner, ScannedGame } from './types'
+
+export const UBI_KEY = 'HKEY_LOCAL_MACHINE\\SOFTWARE\\WOW6432Node\\Ubisoft\\Launcher\\Installs'
+
+export function ubisoftFromReg(map: Map<string, Record<string, string>>): ScannedGame[] {
+  const out: ScannedGame[] = []
+  for (const [id, v] of children(map, UBI_KEY)) {
+    const dir = v.InstallDir
+    if (!dir || !/^\d+$/.test(id)) continue
+    const clean = path.normalize(dir.replace(/\//g, '\\'))
+    out.push({ platform: 'ubisoft', platformId: id, name: path.basename(clean), installDir: clean, launchUri: `uplay://launch/${id}/0`, installed: true })
+  }
+  return out
+}
+
+export const ubisoft: Scanner = {
+  id: 'ubisoft',
+  name: 'Ubisoft Connect',
+  async scan(env) {
+    return ubisoftFromReg(await env.reg(UBI_KEY)).filter((g) => env.exists(g.installDir!))
+  }
+}

src/main/scanners/vdf.ts

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+/* Parseur du format texte KeyValues de Valve (libraryfolders.vdf, appmanifest_*.acf). */
+export type Vdf = { [k: string]: string | Vdf }
+
+export function parseVdf(text: string): Vdf {
+  let i = 0
+  const n = text.length
+  const skip = () => {
+    for (;;) {
+      while (i < n && /\s/.test(text[i])) i++
+      if (text[i] === '/' && text[i + 1] === '/') { while (i < n && text[i] !== '\n') i++; continue }
+      return
+    }
+  }
+  const str = (): string => {
+    if (text[i] !== '"') { // jeton sans guillemets
+      const s = i
+      while (i < n && !/[\s{}"]/.test(text[i])) i++
+      return text.slice(s, i)
+    }
+    i++
+    let out = ''
+    while (i < n && text[i] !== '"') {
+      if (text[i] === '\\' && i + 1 < n) { const c = text[++i]; out += c === 'n' ? '\n' : c === 't' ? '\t' : c } else out += text[i]
+      i++
+    }
+    i++
+    return out
+  }
+  const obj = (): Vdf => {
+    const o: Vdf = {}
+    for (;;) {
+      skip()
+      if (i >= n || text[i] === '}') { i++; return o }
+      const k = str()
+      skip()
+      if (text[i] === '{') { i++; o[k] = obj() } else o[k] = str()
+    }
+  }
+  return obj()
+}
+
+/* Accès insensible à la casse (les clés varient : "AppState" / "appstate") */
+export function get(o: Vdf | string | undefined, key: string): Vdf | string | undefined {
+  if (!o || typeof o === 'string') return undefined
+  const k = Object.keys(o).find((x) => x.toLowerCase() === key.toLowerCase())
+  return k === undefined ? undefined : o[k]
+}