Revert "Merge branch 'web-editor-rugged' into 'master'"

This reverts commit 5a1aa49b5533593dc4c6de82279fe44f5f15616c, reversing
changes made to a675bea2c1c1d5d6923cb97b8714eb72d4e4ff9b.

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

4 files changed, 210 insertions, 0 deletions

diff --git a/lib/gitlab/satellite/files/delete_file_action.rb b/lib/gitlab/satellite/files/delete_file_action.rb
new file mode 100644
index 00000000000..0d37b9dea85
--- /dev/null
+++ b/lib/gitlab/satellite/files/delete_file_action.rb
@@ -0,0 +1,50 @@
+require_relative 'file_action'
+
+module Gitlab
+  module Satellite
+    class DeleteFileAction < FileAction
+      # Deletes file and creates a new commit for it
+      #
+      # Returns false if committing the change fails
+      # Returns false if pushing from the satellite to bare repo failed or was rejected
+      # Returns true otherwise
+      def commit!(content, commit_message)
+        in_locked_and_timed_satellite do |repo|
+          prepare_satellite!(repo)
+
+          # create target branch in satellite at the corresponding commit from bare repo
+          repo.git.checkout({ raise: true, timeout: true, b: true }, ref, "origin/#{ref}")
+
+          # update the file in the satellite's working dir
+          file_path_in_satellite = File.join(repo.working_dir, file_path)
+
+          # Prevent relative links
+          unless safe_path?(file_path_in_satellite)
+            Gitlab::GitLogger.error("FileAction: Relative path not allowed")
+            return false
+          end
+
+          File.delete(file_path_in_satellite)
+
+          # add removed file
+          repo.remove(file_path_in_satellite)
+
+          # commit the changes
+          # will raise CommandFailed when commit fails
+          repo.git.commit(raise: true, timeout: true, a: true, m: commit_message)
+
+
+          # push commit back to bare repo
+          # will raise CommandFailed when push fails
+          repo.git.push({ raise: true, timeout: true }, :origin, ref)
+
+          # everything worked
+          true
+        end
+      rescue Grit::Git::CommandFailed => ex
+        Gitlab::GitLogger.error(ex.message)
+        false
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/satellite/files/edit_file_action.rb b/lib/gitlab/satellite/files/edit_file_action.rb
new file mode 100644
index 00000000000..3cb9c0b5ecb
--- /dev/null
+++ b/lib/gitlab/satellite/files/edit_file_action.rb
@@ -0,0 +1,68 @@
+require_relative 'file_action'
+
+module Gitlab
+  module Satellite
+    # GitLab server-side file update and commit
+    class EditFileAction < FileAction
+      # Updates the files content and creates a new commit for it
+      #
+      # Returns false if the ref has been updated while editing the file
+      # Returns false if committing the change fails
+      # Returns false if pushing from the satellite to bare repo failed or was rejected
+      # Returns true otherwise
+      def commit!(content, commit_message, encoding, new_branch = nil)
+        in_locked_and_timed_satellite do |repo|
+          prepare_satellite!(repo)
+
+          # create target branch in satellite at the corresponding commit from bare repo
+          begin
+            repo.git.checkout({ raise: true, timeout: true, b: true }, ref, "origin/#{ref}")
+          rescue Grit::Git::CommandFailed => ex
+            log_and_raise(CheckoutFailed, ex.message)
+          end
+
+          # update the file in the satellite's working dir
+          file_path_in_satellite = File.join(repo.working_dir, file_path)
+
+          # Prevent relative links
+          unless safe_path?(file_path_in_satellite)
+            Gitlab::GitLogger.error("FileAction: Relative path not allowed")
+            return false
+          end
+
+          # Write file
+          write_file(file_path_in_satellite, content, encoding)
+
+          # commit the changes
+          # will raise CommandFailed when commit fails
+          begin
+            repo.git.commit(raise: true, timeout: true, a: true, m: commit_message)
+          rescue Grit::Git::CommandFailed => ex
+            log_and_raise(CommitFailed, ex.message)
+          end
+
+
+          target_branch = new_branch.present? ? "#{ref}:#{new_branch}" : ref
+
+          # push commit back to bare repo
+          # will raise CommandFailed when push fails
+          begin
+            repo.git.push({ raise: true, timeout: true }, :origin, target_branch)
+          rescue Grit::Git::CommandFailed => ex
+            log_and_raise(PushFailed, ex.message)
+          end
+
+          # everything worked
+          true
+        end
+      end
+
+      private
+
+      def log_and_raise(errorClass, message)
+        Gitlab::GitLogger.error(message)
+        raise(errorClass, message)
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/satellite/files/file_action.rb b/lib/gitlab/satellite/files/file_action.rb
new file mode 100644
index 00000000000..6446b14568a
--- /dev/null
+++ b/lib/gitlab/satellite/files/file_action.rb
@@ -0,0 +1,25 @@
+module Gitlab
+  module Satellite
+    class FileAction < Action
+      attr_accessor :file_path, :ref
+
+      def initialize(user, project, ref, file_path)
+        super user, project
+        @file_path = file_path
+        @ref = ref
+      end
+
+      def safe_path?(path)
+        File.absolute_path(path) == path
+      end
+
+      def write_file(abs_file_path, content, file_encoding = 'text')
+        if file_encoding == 'base64'
+          File.open(abs_file_path, 'wb') { |f| f.write(Base64.decode64(content)) }
+        else
+          File.open(abs_file_path, 'w') { |f| f.write(content) }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/satellite/files/new_file_action.rb b/lib/gitlab/satellite/files/new_file_action.rb
new file mode 100644
index 00000000000..724dfa0d042
--- /dev/null
+++ b/lib/gitlab/satellite/files/new_file_action.rb
@@ -0,0 +1,67 @@
+require_relative 'file_action'
+
+module Gitlab
+  module Satellite
+    class NewFileAction < FileAction
+      # Updates the files content and creates a new commit for it
+      #
+      # Returns false if the ref has been updated while editing the file
+      # Returns false if committing the change fails
+      # Returns false if pushing from the satellite to bare repo failed or was rejected
+      # Returns true otherwise
+      def commit!(content, commit_message, encoding, new_branch = nil)
+        in_locked_and_timed_satellite do |repo|
+          prepare_satellite!(repo)
+
+          # create target branch in satellite at the corresponding commit from bare repo
+          current_ref =
+            if @project.empty_repo?
+              # skip this step if we want to add first file to empty repo
+              Satellite::PARKING_BRANCH
+            else
+              repo.git.checkout({ raise: true, timeout: true, b: true }, ref, "origin/#{ref}")
+              ref
+            end
+
+          file_path_in_satellite = File.join(repo.working_dir, file_path)
+          dir_name_in_satellite = File.dirname(file_path_in_satellite)
+
+          # Prevent relative links
+          unless safe_path?(file_path_in_satellite)
+            Gitlab::GitLogger.error("FileAction: Relative path not allowed")
+            return false
+          end
+
+          # Create dir if not exists
+          FileUtils.mkdir_p(dir_name_in_satellite)
+
+          # Write file
+          write_file(file_path_in_satellite, content, encoding)
+
+          # add new file
+          repo.add(file_path_in_satellite)
+
+          # commit the changes
+          # will raise CommandFailed when commit fails
+          repo.git.commit(raise: true, timeout: true, a: true, m: commit_message)
+
+          target_branch = if new_branch.present? && !@project.empty_repo?
+                            "#{ref}:#{new_branch}"
+                          else
+                            "#{current_ref}:#{ref}"
+                          end
+
+          # push commit back to bare repo
+          # will raise CommandFailed when push fails
+          repo.git.push({ raise: true, timeout: true }, :origin, target_branch)
+
+          # everything worked
+          true
+        end
+      rescue Grit::Git::CommandFailed => ex
+        Gitlab::GitLogger.error(ex.message)
+        false
+      end
+    end
+  end
+end