Merge pull request #262 from lacostej/list_licenses

u3d/licenses: add feature to display licenses

README.md

@@ -51,6 +51,10 @@ The prettifyer is on by default but can be turned off to get Unity's raw output.
 
 * `u3d dependencies`: [Linux] Install dependencies that Unity don't install by default on Linux
 
+* `u3d licenses`: display information about your Unity licenses
+
+![u3d list](https://github.com/DragonBox/u3d/raw/master/docs/assets/u3d_licenses.png)
+
 ## Installation
 
 ```shell

lib/u3d.rb

@@ -34,6 +34,7 @@
 require 'u3d/installation'
 require 'u3d/installer'
 require 'u3d/log_analyzer'
+require 'u3d/unity_license'
 require 'u3d/unity_project'
 require 'u3d/unity_runner'
 require 'u3d/unity_version_definition'

lib/u3d/commands.rb

@@ -195,6 +195,12 @@ def credentials(args: [])
         end
       end
 
+      def licenses
+        U3d::License.licenses.sort_by { |l| l['LicenseVersion'] }.each do |license|
+          UI.message "#{license.path}: #{license['LicenseVersion']} #{license.number} #{license['UpdateDate']}"
+        end
+      end
+
       def local_analyze(args: [])
         raise ArgumentError, 'No files given' if args.empty?
         raise ArgumentError, "File #{args[0]} does not exist" unless File.exist? args[0]

lib/u3d/commands_generator.rb

@@ -189,6 +189,14 @@ def run
         end
       end
 
+      command :licenses do |c|
+        c.syntax = "u3d licenses"
+        c.description = 'Prints Unity license information.'
+        c.action do |_args, _options|
+          Commands.licenses
+        end
+      end
+
       command :prettify do |c|
         c.syntax = 'u3d prettify <logfile>'
         c.summary = 'Prettify a saved Unity logfile'

lib/u3d/unity_license.rb

@@ -0,0 +1,76 @@
+## --- BEGIN LICENSE BLOCK ---
+# Copyright (c) 2016-present WeWantToKnow AS
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+## --- END LICENSE BLOCK ---
+
+require 'rexml/document'
+
+module U3d
+  class License
+    attr_reader :path
+
+    def initialize(path: nil, fields: nil)
+      @path = path
+      @fields = fields || {}
+    end
+
+    def [](index)
+      @fields[index]
+    end
+
+    # petit cachotier va!
+    def number
+      require 'base64'
+      Base64.decode64(self['DeveloperData'])[4..-1]
+    end
+
+    class << self
+      LICENSES_DIR_MAC = File.join("/", "Library", "Application Support", "Unity").freeze
+      LICENSES_DIR_WINDOWS = File.join("C:/ProgramData", "Unity").freeze
+      LICENSES_DIR_LINUX = File.join(ENV['HOME'], ".local", "share", "unity3d", "Unity").freeze
+
+      def from_path(path)
+        doc = REXML::Document.new(File.read(path))
+        fields = {}
+        license = REXML::XPath.first(doc, "root/License")
+        unless license.nil?
+          fields = []
+          license.each_element_with_attribute("Value") do |e|
+            fields << [e.name, e.attribute('Value').to_s]
+          end
+        end
+        License.new(path: path, fields: fields.to_h)
+      end
+
+      def licenses
+        glob = File.join(licenses_dir, "*.ulf")
+        Dir.glob(glob).map do |path|
+          from_path(path)
+        end
+      end
+
+      def licenses_dir
+        return LICENSES_DIR_MAC if U3d::Helper.mac?
+        return LICENSES_DIR_WINDOWS if U3d::Helper.windows?
+        return LICENSES_DIR_LINUX if U3d::Helper.linux?
+      end
+    end
+  end
+end