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authorDouwe Maan <douwe@gitlab.com>2018-06-26 13:57:17 +0000
committerDouwe Maan <douwe@gitlab.com>2018-06-26 13:57:17 +0000
commitb33a4da342c765218ee4fb4e6d274382b2a77f08 (patch)
tree44303bc5b647a8e590280b463789ffb5ac0fd9dc
parent0fbbbc5f2255b8570123cd8174f623a3ba0149ca (diff)
parent990a2a7b1d9be68f233a821b78abba06c35c03e8 (diff)
downloadgitlab-ce-b33a4da342c765218ee4fb4e6d274382b2a77f08.tar.gz
Merge branch '48269-wiki-page-returns-error-code-502' into 'master'
Resolve "Wiki page returns error code 502" Closes #48269 See merge request gitlab-org/gitlab-ce!20174
-rw-r--r--changelogs/unreleased/48269-wiki-page-returns-error-code-502.yml5
-rw-r--r--lib/banzai/filter/gollum_tags_filter.rb6
2 files changed, 9 insertions, 2 deletions
diff --git a/changelogs/unreleased/48269-wiki-page-returns-error-code-502.yml b/changelogs/unreleased/48269-wiki-page-returns-error-code-502.yml
new file mode 100644
index 00000000000..d3830e5b8c6
--- /dev/null
+++ b/changelogs/unreleased/48269-wiki-page-returns-error-code-502.yml
@@ -0,0 +1,5 @@
+---
+title: Remove performance bottleneck preventing large wiki pages from displaying
+merge_request: 20174
+author:
+type: performance
diff --git a/lib/banzai/filter/gollum_tags_filter.rb b/lib/banzai/filter/gollum_tags_filter.rb
index 4bc82ecb4d6..bb9f488cd87 100644
--- a/lib/banzai/filter/gollum_tags_filter.rb
+++ b/lib/banzai/filter/gollum_tags_filter.rb
@@ -56,10 +56,12 @@ module Banzai
# Pattern to match allowed image extensions
ALLOWED_IMAGE_EXTENSIONS = /.+(jpg|png|gif|svg|bmp)\z/i.freeze
+ # Do not perform linking inside these tags.
+ IGNORED_ANCESTOR_TAGS = %w(pre code tt).to_set
+
def call
doc.search(".//text()").each do |node|
- # Do not perform linking inside <code> blocks
- next unless node.ancestors('code').empty?
+ next if has_ancestor?(node, IGNORED_ANCESTOR_TAGS)
# A Gollum ToC tag is `[[_TOC_]]`, but due to MarkdownFilter running
# before this one, it will be converted into `[[<em>TOC</em>]]`, so it