Launcher, app/base, sentry, update service

internal/updater/version.go

@@ -0,0 +1,85 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package updater
+
+import (
+	"fmt"
+
+	"github.com/Masterminds/semver/v3"
+)
+
+// VersionInfo is information about one version of the app.
+type VersionInfo struct {
+	// Version is the semantic version of the release.
+	Version *semver.Version
+
+	// MinAuto is the earliest version that is able to autoupdate to this version.
+	// Apps older than this version must run the manual installer and cannot autoupdate.
+	MinAuto *semver.Version
+
+	// Package is the location of the update package.
+	Package string
+
+	// Installers are the locations of installer files (for manual installation).
+	Installers []string
+
+	// Landing is the address of the app landing page on protonmail.com.
+	Landing string
+
+	// Rollout is the current progress of the rollout of this release.
+	Rollout float64
+}
+
+// VersionMap represents the structure of the version.json file.
+// It looks like this:
+// {
+//   "live": {
+//     "Version": "2.3.4",
+//     "Package": "https://protonmail.com/.../bridge_2.3.4_linux.tgz",
+//     "Installers": [
+//       "https://protonmail.com/.../something.deb",
+//       "https://protonmail.com/.../something.rpm",
+//       "https://protonmail.com/.../PKGBUILD"
+//     ],
+//     "Landing "https://protonmail.com/bridge",
+//     "Rollout": 0.5
+//   },
+//   "beta": {
+//     "Version": "2.4.0-beta",
+//     "Package": "https://protonmail.com/.../bridge_2.4.0-beta_linux.tgz",
+//     "Installers": [
+//       "https://protonmail.com/.../something.deb",
+//       "https://protonmail.com/.../something.rpm",
+//       "https://protonmail.com/.../PKGBUILD"
+//     ],
+//     "Landing "https://protonmail.com/bridge",
+//     "Rollout": 0.5
+//   },
+//   "...": {
+//     ...
+//   }
+// }
+type VersionMap map[string]VersionInfo
+
+// getVersionFileURL returns the URL of the version file.
+// For example:
+//  - https://protonmail.com/download/bridge/version_linux.json
+//  - https://protonmail.com/download/ie/version_linux.json
+func (u *Updater) getVersionFileURL() string {
+	return fmt.Sprintf("%v/%v/version_%v.json", Host, u.updateURLName, u.platform)
+}