From 685642e8bfdaff16a4f02bd40b5d2aef15b68d94 Mon Sep 17 00:00:00 2001
From: elijah <elijah@riseup.net>
Date: Sat, 13 Feb 2016 23:48:48 -0800
Subject: get dkim working, closes #5924

---
 lib/leap_cli/macros/files.rb | 94 +++++++++++++++++++++++++++++---------------
 1 file changed, 63 insertions(+), 31 deletions(-)

(limited to 'lib/leap_cli/macros/files.rb')

diff --git a/lib/leap_cli/macros/files.rb b/lib/leap_cli/macros/files.rb
index 958958bc..d3972485 100644
--- a/lib/leap_cli/macros/files.rb
+++ b/lib/leap_cli/macros/files.rb
@@ -37,18 +37,10 @@ module LeapCli
     end
 
     #
-    # returns what the file path will be, once the file is rsynced to the server.
-    # an internal list of discovered file paths is saved, in order to rsync these files when needed.
+    # returns the location of a file that is stored on the local
+    # host, under PROVIDER_DIR/files.
     #
-    # notes:
-    #
-    # * argument 'path' is relative to Path.provider/files or Path.provider_base/files
-    # * the path returned by this method is absolute
-    # * the path stored for use later by rsync is relative to Path.provider
-    # * if the path does not exist locally, but exists in provider_base, then the default file from
-    #   provider_base is copied locally. this is required for rsync to work correctly.
-    #
-    def file_path(path, options={})
+    def local_file_path(path, options={})
       if path.is_a? Symbol
         path = [path, @node.name]
       elsif path.is_a? String
@@ -57,32 +49,72 @@ module LeapCli
           path = "files/" + path
         end
       end
-      actual_path = Path.find_file(path)
-      if actual_path.nil?
+      local_path = Path.find_file(path)
+      if local_path.nil?
         if options[:missing]
           raise FileMissing.new(Path.named_path(path), options)
+        elsif block_given?
+          yield
+          return local_file_path(path, options) # try again.
         else
-          Util::log 2, :skipping, "file_path(\"#{path}\") because there is no such file."
+          Util::log 2, :skipping, "local_file_path(\"#{path}\") because there is no such file."
+          return nil
         end
-        nil
       else
-        if actual_path =~ /^#{Regexp.escape(Path.provider_base)}/
-          # if file is under Path.provider_base, we must copy the default file to
-          # to Path.provider in order for rsync to be able to sync the file.
-          local_provider_path = actual_path.sub(/^#{Regexp.escape(Path.provider_base)}/, Path.provider)
-          FileUtils.mkdir_p File.dirname(local_provider_path), :mode => 0700
-          FileUtils.install actual_path, local_provider_path, :mode => 0600
-          Util.log :created, Path.relative_path(local_provider_path)
-          actual_path = local_provider_path
-        end
-        if File.directory?(actual_path) && actual_path !~ /\/$/
-          actual_path += '/' # ensure directories end with /, important for building rsync command
-        end
-        relative_path = Path.relative_path(actual_path)
-        relative_path.sub!(/^files\//, '') # remove "files/" prefix
-        @node.file_paths << relative_path
-        File.join(Leap::Platform.files_dir, relative_path)
+        local_path
+      end
+    end
+
+    #
+    # Returns the location of a file once it is deployed via rsync to the a
+    # remote server. An internal list of discovered file paths is saved, in
+    # order to rsync these files when needed.
+    #
+    # If there is a block given and the file does not actually exist, the
+    # block will be yielded to give an opportunity for some code to create the
+    # file.
+    #
+    # For example:
+    #
+    #   file_path(:dkim_priv_key) {generate_dkim_key}
+    #
+    # notes:
+    #
+    # * argument 'path' is relative to Path.provider/files or
+    #   Path.provider_base/files
+    # * the path returned by this method is absolute
+    # * the path stored for use later by rsync is relative to Path.provider
+    # * if the path does not exist locally, but exists in provider_base,
+    #   then the default file from provider_base is copied locally. this
+    #   is required for rsync to work correctly.
+    #
+    def remote_file_path(path, options={}, &block)
+      local_path = local_file_path(path, options, &block)
+
+      # if file is under Path.provider_base, we must copy the default file to
+      # to Path.provider in order for rsync to be able to sync the file.
+      if local_path =~ /^#{Regexp.escape(Path.provider_base)}/
+        local_provider_path = local_path.sub(/^#{Regexp.escape(Path.provider_base)}/, Path.provider)
+        FileUtils.mkdir_p File.dirname(local_provider_path), :mode => 0700
+        FileUtils.install local_path, local_provider_path, :mode => 0600
+        Util.log :created, Path.relative_path(local_provider_path)
+        local_path = local_provider_path
+      end
+
+      # ensure directories end with /, important for building rsync command
+      if File.directory?(local_path) && local_path !~ /\/$/
+        local_path += '/'
       end
+
+      relative_path = Path.relative_path(local_path)
+      relative_path.sub!(/^files\//, '') # remove "files/" prefix
+      @node.file_paths << relative_path
+      File.join(Leap::Platform.files_dir, relative_path)
+    end
+
+    # deprecated
+    def file_path(path, options={})
+      remote_file_path(path, options)
     end
 
   end
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