Use relative paths for opening and closing issuables

app/helpers/issuables_helper.rb

@@ -248,16 +248,25 @@ module IssuablesHelper
     Gitlab::IssuablesCountForState.new(finder)[state]
   end
 
-  def close_issuable_url(issuable)
-    issuable_url(issuable, close_reopen_params(issuable, :close))
+  def close_issuable_path(issuable)
+    issuable_path(issuable, close_reopen_params(issuable, :close))
   end
 
-  def reopen_issuable_url(issuable)
-    issuable_url(issuable, close_reopen_params(issuable, :reopen))
+  def reopen_issuable_path(issuable)
+    issuable_path(issuable, close_reopen_params(issuable, :reopen))
   end
 
-  def close_reopen_issuable_url(issuable, should_inverse = false)
-    issuable.closed? ^ should_inverse ? reopen_issuable_url(issuable) : close_issuable_url(issuable)
+  def close_reopen_issuable_path(issuable, should_inverse = false)
+    issuable.closed? ^ should_inverse ? reopen_issuable_path(issuable) : close_issuable_path(issuable)
+  end
+
+  def issuable_path(issuable, *options)
+    case issuable
+    when Issue
+      issue_path(issuable, *options)
+    when MergeRequest
+      merge_request_path(issuable, *options)
+    end
   end
 
   def issuable_url(issuable, *options)

app/views/shared/issuable/_close_reopen_button.html.haml

@@ -3,9 +3,9 @@
 - button_method = issuable_close_reopen_button_method(issuable)
 
 - if can_update && is_current_user
-  = link_to "Close #{display_issuable_type}", close_issuable_url(issuable), method: button_method,
+  = link_to "Close #{display_issuable_type}", close_issuable_path(issuable), method: button_method,
             class: "hidden-xs hidden-sm btn btn-grouped btn-close js-btn-issue-action #{issuable_button_visibility(issuable, true)}", title: "Close #{display_issuable_type}"
-  = link_to "Reopen #{display_issuable_type}", reopen_issuable_url(issuable), method: button_method,
+  = link_to "Reopen #{display_issuable_type}", reopen_issuable_path(issuable), method: button_method,
             class: "hidden-xs hidden-sm btn btn-grouped btn-reopen js-btn-issue-action #{issuable_button_visibility(issuable, false)}", title: "Reopen #{display_issuable_type}"
 - elsif can_update && !is_current_user
   = render 'shared/issuable/close_reopen_report_toggle', issuable: issuable

app/views/shared/issuable/_close_reopen_report_toggle.html.haml

@@ -7,7 +7,7 @@
 - button_method = issuable_close_reopen_button_method(issuable)
 
 .pull-left.btn-group.prepend-left-10.issuable-close-dropdown.droplab-dropdown.js-issuable-close-dropdown
-  = link_to "#{display_button_action} #{display_issuable_type}", close_reopen_issuable_url(issuable),
+  = link_to "#{display_button_action} #{display_issuable_type}", close_reopen_issuable_path(issuable),
             method: button_method, class: "#{button_class} btn-#{button_action}", title: "#{display_button_action} #{display_issuable_type}"
 
   = button_tag type: 'button', class: "#{toggle_class} btn-#{button_action}-color",
@@ -16,7 +16,7 @@
 
   %ul#issuable-close-menu.js-issuable-close-menu.dropdown-menu{ class: button_responsive_class, data: { dropdown: true } }
     %li.close-item{ class: "#{issuable_button_visibility(issuable, true) || 'droplab-item-selected'}",
-                    data: { text: "Close #{display_issuable_type}", url: close_issuable_url(issuable),
+                    data: { text: "Close #{display_issuable_type}", url: close_issuable_path(issuable),
                     button_class: "#{button_class} btn-close", toggle_class: "#{toggle_class} btn-close-color", method: button_method } }
       %button.btn.btn-transparent
         = icon('check', class: 'icon')
@@ -26,7 +26,7 @@
             = display_issuable_type
 
     %li.reopen-item{ class: "#{issuable_button_visibility(issuable, false) || 'droplab-item-selected'}",
-                     data: { text: "Reopen #{display_issuable_type}", url: reopen_issuable_url(issuable),
+                     data: { text: "Reopen #{display_issuable_type}", url: reopen_issuable_path(issuable),
                      button_class: "#{button_class} btn-reopen", toggle_class: "#{toggle_class} btn-reopen-color", method: button_method } }
       %button.btn.btn-transparent
         = icon('check', class: 'icon')

changelogs/unreleased/bvl-fix-close-issuable-link.yml

+---
+title: Fix CSRF validation issue when closing/opening merge requests from the UI
+merge_request: 14555
+author:
+type: fixed