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{ bundle as bundleFlatpak, FlatpakBundlerBuildOptions, FlatpakManifest } from \"@malept/flatpak-bundler\"\nimport { Arch, copyFile, toLinuxArchString } from \"builder-util\"\nimport { chmod, outputFile } from \"fs-extra\"\nimport * as path from \"path\"\nimport { Target } from \"../core\"\nimport { LinuxPackager } from \"../linuxPackager\"\nimport { FlatpakOptions } from \"../options/linuxOptions\"\nimport { getNotLocalizedLicenseFile } from \"../util/license\"\nimport { LinuxTargetHelper } from \"./LinuxTargetHelper\"\nimport { createStageDir, StageDir } from \"./targetUtil\"\nimport { deepAssign, Nullish } from \"builder-util-runtime\"\n\nexport default class FlatpakTarget extends Target {\n  readonly options: FlatpakOptions = deepAssign({}, this.packager.platformSpecificBuildOptions, (this.packager.config as any)[this.name])\n\n  constructor(\n    name: string,\n    private readonly packager: LinuxPackager,\n    private helper: LinuxTargetHelper,\n    readonly outDir: string\n  ) {\n    super(name)\n  }\n\n  get appId(): string {\n    return filterFlatpakAppIdentifier(this.packager.appInfo.id)\n  }\n\n  async build(appOutDir: string, arch: Arch): Promise<any> {\n    const { packager, options } = this\n    const artifactName = packager.expandArtifactNamePattern(options, \"flatpak\", arch, undefined, false)\n    const artifactPath = path.join(this.outDir, artifactName)\n    await packager.info.emitArtifactBuildStarted({\n      targetPresentableName: \"flatpak\",\n      file: artifactPath,\n      arch,\n    })\n\n    const stageDir = await this.prepareStageDir(arch)\n\n    const { manifest, buildOptions } = this.getFlatpakBuilderOptions(appOutDir, stageDir.dir, artifactName, arch)\n    await bundleFlatpak(manifest, buildOptions)\n\n    await stageDir.cleanup()\n\n    await packager.info.emitArtifactBuildCompleted({\n      file: artifactPath,\n      safeArtifactName: packager.computeSafeArtifactName(artifactName, \"flatpak\", arch, false),\n      target: this,\n      arch,\n      packager,\n      isWriteUpdateInfo: false,\n    })\n  }\n\n  private async prepareStageDir(arch: Arch): Promise<StageDir> {\n    const stageDir = await createStageDir(this, this.packager, arch)\n\n    await Promise.all([this.createSandboxBinWrapper(stageDir), this.createDesktopFile(stageDir), this.copyLicenseFile(stageDir), this.copyIcons(stageDir)])\n\n    return stageDir\n  }\n\n  private async createSandboxBinWrapper(stageDir: StageDir) {\n    const useWaylandFlags = !!this.options.useWaylandFlags\n    const electronWrapperPath = stageDir.getTempFile(path.join(\"bin\", \"electron-wrapper\"))\n    await outputFile(electronWrapperPath, getElectronWrapperScript(this.packager.executableName, this.options.executableArgs, useWaylandFlags))\n    await chmod(electronWrapperPath, 0o755)\n  }\n\n  private async createDesktopFile(stageDir: StageDir) {\n    const appIdentifier = this.appId\n    const desktopFile = stageDir.getTempFile(path.join(\"share\", \"applications\", `${appIdentifier}.desktop`))\n    await this.helper.writeDesktopEntry(this.options, \"electron-wrapper %U\", desktopFile, { Icon: appIdentifier })\n  }\n\n  private async copyLicenseFile(stageDir: StageDir) {\n    const licenseSrc = await getNotLocalizedLicenseFile(this.options.license, this.packager, [\"txt\", \"html\"])\n    if (licenseSrc) {\n      const licenseDst = stageDir.getTempFile(path.join(\"share\", \"doc\", this.appId, \"copyright\"))\n      await copyFile(licenseSrc, licenseDst)\n    }\n  }\n\n  private async copyIcons(stageDir: StageDir) {\n    const icons = await this.helper.icons\n    const copyIcons = icons.map(async icon => {\n      if (icon.size > 512) {\n        // Flatpak does not allow icons larger than 512 pixels\n        return Promise.resolve()\n      }\n      const extWithDot = path.extname(icon.file)\n      const sizeName = extWithDot === \".svg\" ? \"scalable\" : `${icon.size}x${icon.size}`\n      const iconDst = stageDir.getTempFile(path.join(\"share\", \"icons\", \"hicolor\", sizeName, \"apps\", `${this.appId}${extWithDot}`))\n\n      return copyFile(icon.file, iconDst)\n    })\n\n    await Promise.all(copyIcons)\n  }\n\n  private getFlatpakBuilderOptions(appOutDir: string, stageDir: string, artifactName: string, arch: Arch): { manifest: FlatpakManifest; buildOptions: FlatpakBundlerBuildOptions } {\n    const appIdentifier = this.appId\n    const { executableName } = this.packager\n    const flatpakArch = toLinuxArchString(arch, \"flatpak\")\n\n    const manifest: FlatpakManifest = {\n      id: appIdentifier,\n      command: \"electron-wrapper\",\n      runtime: this.options.runtime || flatpakBuilderDefaults.runtime,\n      runtimeVersion: this.options.runtimeVersion || flatpakBuilderDefaults.runtimeVersion,\n      sdk: this.options.sdk || flatpakBuilderDefaults.sdk,\n      base: this.options.base || flatpakBuilderDefaults.base,\n      baseVersion: this.options.baseVersion || flatpakBuilderDefaults.baseVersion,\n      finishArgs: this.options.finishArgs || flatpakBuilderDefaults.finishArgs,\n      branch: this.options.branch,\n      modules: this.options.modules,\n    }\n\n    const buildOptions: FlatpakBundlerBuildOptions = {\n      baseFlatpakref: `app/${manifest.base}/${flatpakArch}/${manifest.baseVersion}`,\n      runtimeFlatpakref: `runtime/${manifest.runtime}/${flatpakArch}/${manifest.runtimeVersion}`,\n      sdkFlatpakref: `runtime/${manifest.sdk}/${flatpakArch}/${manifest.runtimeVersion}`,\n      arch: flatpakArch as any,\n      bundlePath: path.join(this.outDir, artifactName),\n      files: [[stageDir, \"/\"], [appOutDir, path.join(\"/lib\", appIdentifier)], ...(this.options.files || [])],\n      symlinks: [[path.join(\"/lib\", appIdentifier, executableName), path.join(\"/bin\", executableName)], ...(this.options.symlinks || [])],\n    }\n\n    return { manifest, buildOptions }\n  }\n}\n\nconst flatpakBuilderDefaults: Omit<FlatpakManifest, \"id\" | \"command\"> = {\n  runtime: \"org.freedesktop.Platform\",\n  runtimeVersion: \"20.08\",\n  sdk: \"org.freedesktop.Sdk\",\n  base: \"org.electronjs.Electron2.BaseApp\",\n  baseVersion: \"20.08\",\n  finishArgs: [\n    // Wayland/X11 Rendering\n    \"--socket=wayland\",\n    \"--socket=x11\",\n    \"--share=ipc\",\n    // Open GL\n    \"--device=dri\",\n    // Audio output\n    \"--socket=pulseaudio\",\n    // Read/write home directory access\n    \"--filesystem=home\",\n    // Allow communication with network\n    \"--share=network\",\n    // System notifications with libnotify\n    \"--talk-name=org.freedesktop.Notifications\",\n  ],\n}\n\nfunction getElectronWrapperScript(executableName: string, executableArgs: string[] | Nullish, useWaylandFlags: boolean): string {\n  const stringifiedExecutableArgs = executableArgs?.join(\" \") || \"\"\n  if (useWaylandFlags) {\n    return `#!/bin/sh\n\nexport TMPDIR=\"$XDG_RUNTIME_DIR/app/$FLATPAK_ID\"\n\nif [ \"\\${XDG_SESSION_TYPE}\" == \"wayland\" ]; then\n    zypak-wrapper \"${executableName}\" ${stringifiedExecutableArgs} --enable-features=UseOzonePlatform --ozone-platform=wayland \"$@\"\nelse\n    zypak-wrapper \"${executableName}\" ${stringifiedExecutableArgs} \"$@\"\nfi\n`\n  }\n  return `#!/bin/sh\n\nexport TMPDIR=\"$XDG_RUNTIME_DIR/app/$FLATPAK_ID\"\n\nzypak-wrapper \"${executableName}\" ${stringifiedExecutableArgs} \"$@\"\n`\n}\n\nfunction filterFlatpakAppIdentifier(identifier: string) {\n  // Remove special characters and allow only alphanumeric (A-Z,a-z,0-9), underscore (_), and period (.)\n  // Flatpak documentation: https://docs.flatpak.org/en/latest/conventions.html#application-ids\n  return identifier.replace(/-/g, \"_\").replace(/[^a-zA-Z0-9._]/g, \"\")\n}\n"]}