1 files changed, 47 insertions, 0 deletions
diff --git a/app/services/files/create_service.rb b/app/services/files/create_service.rb
new file mode 100644
index 00000000000..185ab26d96b
--- /dev/null
+++ b/app/services/files/create_service.rb
@@ -0,0 +1,47 @@
+require_relative "base_service"
+
+module Files
+  class CreateService < BaseService
+    def execute
+      allowed = if project.protected_branch?(ref)
+                  can?(current_user, :push_code_to_protected_branches, project)
+                else
+                  can?(current_user, :push_code, project)
+                end
+
+      unless allowed
+        return error("You are not allowed to create file in this branch")
+      end
+
+      unless repository.branch_names.include?(ref)
+        return error("You can only create files if you are on top of a branch")
+      end
+
+      file_name = File.basename(path)
+      file_path = path
+
+      unless file_name =~ Gitlab::Regex.path_regex
+        return error("Your changes could not be committed, because file name contains not allowed characters")
+      end
+
+      blob = repository.blob_at(ref, file_path)
+
+      if blob
+        return error("Your changes could not be committed, because file with such name exists")
+      end
+
+      new_file_action = Gitlab::Satellite::NewFileAction.new(current_user, project, ref, file_path)
+      created_successfully = new_file_action.commit!(
+        params[:content],
+        params[:commit_message],
+        params[:encoding]
+      )
+
+      if created_successfully
+        success
+      else
+        error("Your changes could not be committed, because the file has been changed")
+      end
+    end
+  end
+end