hst: merge miscellaneous files

These structs were going to be bigger at some point. They turned out not to be.

Signed-off-by: Ophestra <cat@gensokyo.uk>

hst/hst.go

@@ -0,0 +1,120 @@
+// Package hst exports stable shared types for interacting with hakurei.
+package hst
+
+import (
+	"hakurei.app/container"
+	"hakurei.app/container/seccomp"
+	"hakurei.app/system"
+	"hakurei.app/system/dbus"
+)
+
+// Paths contains environment-dependent paths used by hakurei.
+type Paths struct {
+	// temporary directory returned by [os.TempDir] (usually `/tmp`)
+	TempDir *container.Absolute `json:"temp_dir"`
+	// path to shared directory (usually `/tmp/hakurei.%d`)
+	SharePath *container.Absolute `json:"share_path"`
+	// XDG_RUNTIME_DIR value (usually `/run/user/%d`)
+	RuntimePath *container.Absolute `json:"runtime_path"`
+	// application runtime directory (usually `/run/user/%d/hakurei`)
+	RunDirPath *container.Absolute `json:"run_dir_path"`
+}
+
+type Info struct {
+	User int `json:"user"`
+	Paths
+}
+
+// Template returns a fully populated instance of Config.
+func Template() *Config {
+	return &Config{
+		ID: "org.chromium.Chromium",
+
+		Path: container.AbsFHSRun.Append("current-system/sw/bin/chromium"),
+		Args: []string{
+			"chromium",
+			"--ignore-gpu-blocklist",
+			"--disable-smooth-scrolling",
+			"--enable-features=UseOzonePlatform",
+			"--ozone-platform=wayland",
+		},
+
+		Enablements: NewEnablements(system.EWayland | system.EDBus | system.EPulse),
+
+		SessionBus: &dbus.Config{
+			See: nil,
+			Talk: []string{"org.freedesktop.Notifications", "org.freedesktop.FileManager1", "org.freedesktop.ScreenSaver",
+				"org.freedesktop.secrets", "org.kde.kwalletd5", "org.kde.kwalletd6", "org.gnome.SessionManager"},
+			Own: []string{"org.chromium.Chromium.*", "org.mpris.MediaPlayer2.org.chromium.Chromium.*",
+				"org.mpris.MediaPlayer2.chromium.*"},
+			Call:      map[string]string{"org.freedesktop.portal.*": "*"},
+			Broadcast: map[string]string{"org.freedesktop.portal.*": "@/org/freedesktop/portal/*"},
+			Log:       false,
+			Filter:    true,
+		},
+		SystemBus: &dbus.Config{
+			See:       nil,
+			Talk:      []string{"org.bluez", "org.freedesktop.Avahi", "org.freedesktop.UPower"},
+			Own:       nil,
+			Call:      nil,
+			Broadcast: nil,
+			Log:       false,
+			Filter:    true,
+		},
+		DirectWayland: false,
+
+		Username: "chronos",
+		Shell:    container.AbsFHSRun.Append("current-system/sw/bin/zsh"),
+		Data:     container.AbsFHSVarLib.Append("hakurei/u0/org.chromium.Chromium"),
+		Dir:      container.MustAbs("/data/data/org.chromium.Chromium"),
+		ExtraPerms: []*ExtraPermConfig{
+			{Path: container.AbsFHSVarLib.Append("hakurei/u0"), Ensure: true, Execute: true},
+			{Path: container.AbsFHSVarLib.Append("hakurei/u0/org.chromium.Chromium"), Read: true, Write: true, Execute: true},
+		},
+
+		Identity: 9,
+		Groups:   []string{"video", "dialout", "plugdev"},
+
+		Container: &ContainerConfig{
+			Hostname:       "localhost",
+			Devel:          true,
+			Userns:         true,
+			Net:            true,
+			Device:         true,
+			WaitDelay:      -1,
+			SeccompFlags:   seccomp.AllowMultiarch,
+			SeccompPresets: seccomp.PresetExt,
+			SeccompCompat:  true,
+			Tty:            true,
+			Multiarch:      true,
+			MapRealUID:     true,
+			// example API credentials pulled from Google Chrome
+			// DO NOT USE THESE IN A REAL BROWSER
+			Env: map[string]string{
+				"GOOGLE_API_KEY":               "AIzaSyBHDrl33hwRp4rMQY0ziRbj8K9LPA6vUCY",
+				"GOOGLE_DEFAULT_CLIENT_ID":     "77185425430.apps.googleusercontent.com",
+				"GOOGLE_DEFAULT_CLIENT_SECRET": "OTJgUOQcT7lO7GsGZq2G4IlT",
+			},
+			Filesystem: []FilesystemConfigJSON{
+				{&FSEphemeral{Target: container.AbsFHSTmp, Write: true, Perm: 0755}},
+				{&FSOverlay{
+					Target: container.MustAbs("/nix/store"),
+					Lower:  []*container.Absolute{container.MustAbs("/mnt-root/nix/.ro-store")},
+					Upper:  container.MustAbs("/mnt-root/nix/.rw-store/upper"),
+					Work:   container.MustAbs("/mnt-root/nix/.rw-store/work"),
+				}},
+				{&FSBind{Source: container.MustAbs("/nix/store")}},
+				{&FSBind{Source: container.AbsFHSRun.Append("current-system")}},
+				{&FSBind{Source: container.AbsFHSRun.Append("opengl-driver")}},
+				{&FSBind{Source: container.AbsFHSVarLib.Append("hakurei/u0/org.chromium.Chromium"),
+					Target: container.MustAbs("/data/data/org.chromium.Chromium"), Write: true}},
+				{&FSBind{Source: container.AbsFHSDev.Append("dri"), Device: true, Optional: true}},
+			},
+			Link:      []LinkConfig{{container.AbsFHSRunUser.Append("65534"), container.FHSRunUser + "150"}},
+			AutoRoot:  container.AbsFHSVarLib.Append("hakurei/base/org.debian"),
+			RootFlags: container.BindWritable,
+			Etc:       container.AbsFHSEtc,
+			AutoEtc:   true,
+		},
+	}
+}