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-rw-r--r--lib/banzai/filter/abstract_reference_filter.rb12
-rw-r--r--lib/banzai/filter/commit_range_reference_filter.rb20
-rw-r--r--lib/banzai/filter/commit_reference_filter.rb20
-rw-r--r--lib/banzai/filter/external_issue_reference_filter.rb14
-rw-r--r--lib/banzai/filter/inline_diff_filter.rb12
-rw-r--r--lib/banzai/filter/issue_reference_filter.rb10
-rw-r--r--lib/banzai/filter/label_reference_filter.rb2
-rw-r--r--lib/banzai/filter/merge_request_reference_filter.rb2
-rw-r--r--lib/banzai/filter/milestone_reference_filter.rb2
-rw-r--r--lib/banzai/filter/redactor_filter.rb31
-rw-r--r--lib/banzai/filter/reference_filter.rb31
-rw-r--r--lib/banzai/filter/reference_gatherer_filter.rb65
-rw-r--r--lib/banzai/filter/snippet_reference_filter.rb2
-rw-r--r--lib/banzai/filter/user_reference_filter.rb73
14 files changed, 96 insertions, 200 deletions
diff --git a/lib/banzai/filter/abstract_reference_filter.rb b/lib/banzai/filter/abstract_reference_filter.rb
index b8962379cb5..db95d7c908b 100644
--- a/lib/banzai/filter/abstract_reference_filter.rb
+++ b/lib/banzai/filter/abstract_reference_filter.rb
@@ -18,10 +18,6 @@ module Banzai
@object_sym ||= object_name.to_sym
end
- def self.data_reference
- @data_reference ||= "data-#{object_name.dasherize}"
- end
-
def self.object_class_title
@object_title ||= object_class.name.titleize
end
@@ -45,10 +41,6 @@ module Banzai
end
end
- def self.referenced_by(node)
- { object_sym => LazyReference.new(object_class, node.attr(data_reference)) }
- end
-
def object_class
self.class.object_class
end
@@ -236,7 +228,9 @@ module Banzai
if cache.key?(key)
cache[key]
else
- cache[key] = yield
+ value = yield
+ cache[key] = value if key.present?
+ value
end
end
end
diff --git a/lib/banzai/filter/commit_range_reference_filter.rb b/lib/banzai/filter/commit_range_reference_filter.rb
index b469ea0f626..bbb88c979cc 100644
--- a/lib/banzai/filter/commit_range_reference_filter.rb
+++ b/lib/banzai/filter/commit_range_reference_filter.rb
@@ -4,6 +4,8 @@ module Banzai
#
# This filter supports cross-project references.
class CommitRangeReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :commit_range
+
def self.object_class
CommitRange
end
@@ -14,34 +16,18 @@ module Banzai
end
end
- def self.referenced_by(node)
- project = Project.find(node.attr("data-project")) rescue nil
- return unless project
-
- id = node.attr("data-commit-range")
- range = find_object(project, id)
-
- return unless range
-
- { commit_range: range }
- end
-
def initialize(*args)
super
@commit_map = {}
end
- def self.find_object(project, id)
+ def find_object(project, id)
range = CommitRange.new(id, project)
range.valid_commits? ? range : nil
end
- def find_object(*args)
- self.class.find_object(*args)
- end
-
def url_for_object(range, project)
h = Gitlab::Routing.url_helpers
h.namespace_project_compare_url(project.namespace, project,
diff --git a/lib/banzai/filter/commit_reference_filter.rb b/lib/banzai/filter/commit_reference_filter.rb
index bd88207326c..2ce1816672b 100644
--- a/lib/banzai/filter/commit_reference_filter.rb
+++ b/lib/banzai/filter/commit_reference_filter.rb
@@ -4,6 +4,8 @@ module Banzai
#
# This filter supports cross-project references.
class CommitReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :commit
+
def self.object_class
Commit
end
@@ -14,28 +16,12 @@ module Banzai
end
end
- def self.referenced_by(node)
- project = Project.find(node.attr("data-project")) rescue nil
- return unless project
-
- id = node.attr("data-commit")
- commit = find_object(project, id)
-
- return unless commit
-
- { commit: commit }
- end
-
- def self.find_object(project, id)
+ def find_object(project, id)
if project && project.valid_repo?
project.commit(id)
end
end
- def find_object(*args)
- self.class.find_object(*args)
- end
-
def url_for_object(commit, project)
h = Gitlab::Routing.url_helpers
h.namespace_project_commit_url(project.namespace, project, commit,
diff --git a/lib/banzai/filter/external_issue_reference_filter.rb b/lib/banzai/filter/external_issue_reference_filter.rb
index 37344b90576..eaa702952cc 100644
--- a/lib/banzai/filter/external_issue_reference_filter.rb
+++ b/lib/banzai/filter/external_issue_reference_filter.rb
@@ -4,6 +4,8 @@ module Banzai
# References are ignored if the project doesn't use an external issue
# tracker.
class ExternalIssueReferenceFilter < ReferenceFilter
+ self.reference_type = :external_issue
+
# Public: Find `JIRA-123` issue references in text
#
# ExternalIssueReferenceFilter.references_in(text) do |match, issue|
@@ -21,18 +23,6 @@ module Banzai
end
end
- def self.referenced_by(node)
- project = Project.find(node.attr("data-project")) rescue nil
- return unless project
-
- id = node.attr("data-external-issue")
- external_issue = ExternalIssue.new(id, project)
-
- return unless external_issue
-
- { external_issue: external_issue }
- end
-
def call
# Early return if the project isn't using an external tracker
return doc if project.nil? || default_issues_tracker?
diff --git a/lib/banzai/filter/inline_diff_filter.rb b/lib/banzai/filter/inline_diff_filter.rb
index 9e75edd4d4c..beb21b19ab3 100644
--- a/lib/banzai/filter/inline_diff_filter.rb
+++ b/lib/banzai/filter/inline_diff_filter.rb
@@ -8,15 +8,19 @@ module Banzai
next if has_ancestor?(node, IGNORED_ANCESTOR_TAGS)
content = node.to_html
- content = content.gsub(/(?:\[\-(.*?)\-\]|\{\-(.*?)\-\})/, '<span class="idiff left right deletion">\1\2</span>')
- content = content.gsub(/(?:\[\+(.*?)\+\]|\{\+(.*?)\+\})/, '<span class="idiff left right addition">\1\2</span>')
+ html_content = inline_diff_filter(content)
- next if html == content
+ next if content == html_content
- node.replace(content)
+ node.replace(html_content)
end
doc
end
+
+ def inline_diff_filter(text)
+ html_content = text.gsub(/(?:\[\-(.*?)\-\]|\{\-(.*?)\-\})/, '<span class="idiff left right deletion">\1\2</span>')
+ html_content.gsub(/(?:\[\+(.*?)\+\]|\{\+(.*?)\+\})/, '<span class="idiff left right addition">\1\2</span>')
+ end
end
end
end
diff --git a/lib/banzai/filter/issue_reference_filter.rb b/lib/banzai/filter/issue_reference_filter.rb
index 59c5e89c546..2496e704002 100644
--- a/lib/banzai/filter/issue_reference_filter.rb
+++ b/lib/banzai/filter/issue_reference_filter.rb
@@ -5,18 +5,12 @@ module Banzai
#
# This filter supports cross-project references.
class IssueReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :issue
+
def self.object_class
Issue
end
- def self.user_can_see_reference?(user, node, context)
- # It is not possible to check access rights for external issue trackers
- return true if context[:project].try(:external_issue_tracker)
-
- issue = Issue.find(node.attr('data-issue')) rescue nil
- Ability.abilities.allowed?(user, :read_issue, issue)
- end
-
def find_object(project, id)
project.get_issue(id)
end
diff --git a/lib/banzai/filter/label_reference_filter.rb b/lib/banzai/filter/label_reference_filter.rb
index 8488a493b55..e4d3f87d0aa 100644
--- a/lib/banzai/filter/label_reference_filter.rb
+++ b/lib/banzai/filter/label_reference_filter.rb
@@ -2,6 +2,8 @@ module Banzai
module Filter
# HTML filter that replaces label references with links.
class LabelReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :label
+
def self.object_class
Label
end
diff --git a/lib/banzai/filter/merge_request_reference_filter.rb b/lib/banzai/filter/merge_request_reference_filter.rb
index cad38a51851..ac5216d9cfb 100644
--- a/lib/banzai/filter/merge_request_reference_filter.rb
+++ b/lib/banzai/filter/merge_request_reference_filter.rb
@@ -5,6 +5,8 @@ module Banzai
#
# This filter supports cross-project references.
class MergeRequestReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :merge_request
+
def self.object_class
MergeRequest
end
diff --git a/lib/banzai/filter/milestone_reference_filter.rb b/lib/banzai/filter/milestone_reference_filter.rb
index dad0768f51b..ca686c87d97 100644
--- a/lib/banzai/filter/milestone_reference_filter.rb
+++ b/lib/banzai/filter/milestone_reference_filter.rb
@@ -2,6 +2,8 @@ module Banzai
module Filter
# HTML filter that replaces milestone references with links.
class MilestoneReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :milestone
+
def self.object_class
Milestone
end
diff --git a/lib/banzai/filter/redactor_filter.rb b/lib/banzai/filter/redactor_filter.rb
index e589b5df6ec..c753a84a20d 100644
--- a/lib/banzai/filter/redactor_filter.rb
+++ b/lib/banzai/filter/redactor_filter.rb
@@ -7,8 +7,11 @@ module Banzai
#
class RedactorFilter < HTML::Pipeline::Filter
def call
- Querying.css(doc, 'a.gfm').each do |node|
- unless user_can_see_reference?(node)
+ nodes = Querying.css(doc, 'a.gfm[data-reference-type]')
+ visible = nodes_visible_to_user(nodes)
+
+ nodes.each do |node|
+ unless visible.include?(node)
# The reference should be replaced by the original text,
# which is not always the same as the rendered text.
text = node.attr('data-original') || node.text
@@ -21,20 +24,30 @@ module Banzai
private
- def user_can_see_reference?(node)
- if node.has_attribute?('data-reference-filter')
- reference_type = node.attr('data-reference-filter')
- reference_filter = Banzai::Filter.const_get(reference_type)
+ def nodes_visible_to_user(nodes)
+ per_type = Hash.new { |h, k| h[k] = [] }
+ visible = Set.new
+
+ nodes.each do |node|
+ per_type[node.attr('data-reference-type')] << node
+ end
+
+ per_type.each do |type, nodes|
+ parser = Banzai::ReferenceParser[type].new(project, current_user)
- reference_filter.user_can_see_reference?(current_user, node, context)
- else
- true
+ visible.merge(parser.nodes_visible_to_user(current_user, nodes))
end
+
+ visible
end
def current_user
context[:current_user]
end
+
+ def project
+ context[:project]
+ end
end
end
end
diff --git a/lib/banzai/filter/reference_filter.rb b/lib/banzai/filter/reference_filter.rb
index 31386cf851c..2d6f34c9cd8 100644
--- a/lib/banzai/filter/reference_filter.rb
+++ b/lib/banzai/filter/reference_filter.rb
@@ -8,24 +8,8 @@ module Banzai
# :project (required) - Current project, ignored if reference is cross-project.
# :only_path - Generate path-only links.
class ReferenceFilter < HTML::Pipeline::Filter
- def self.user_can_see_reference?(user, node, context)
- if node.has_attribute?('data-project')
- project_id = node.attr('data-project').to_i
- return true if project_id == context[:project].try(:id)
-
- project = Project.find(project_id) rescue nil
- Ability.abilities.allowed?(user, :read_project, project)
- else
- true
- end
- end
-
- def self.user_can_reference?(user, node, context)
- true
- end
-
- def self.referenced_by(node)
- raise NotImplementedError, "#{self} does not implement #{__method__}"
+ class << self
+ attr_accessor :reference_type
end
# Returns a data attribute String to attach to a reference link
@@ -43,7 +27,9 @@ module Banzai
#
# Returns a String
def data_attribute(attributes = {})
- attributes[:reference_filter] = self.class.name.demodulize
+ attributes = attributes.reject { |_, v| v.nil? }
+
+ attributes[:reference_type] = self.class.reference_type
attributes.delete(:original) if context[:no_original_data]
attributes.map { |key, value| %Q(data-#{key.to_s.dasherize}="#{escape_once(value)}") }.join(" ")
end
@@ -82,6 +68,8 @@ module Banzai
# by `ignore_ancestor_query`. Link tags are not processed if they have a
# "gfm" class or the "href" attribute is empty.
def each_node
+ return to_enum(__method__) unless block_given?
+
query = %Q{descendant-or-self::text()[not(#{ignore_ancestor_query})]
| descendant-or-self::a[
not(contains(concat(" ", @class, " "), " gfm ")) and not(@href = "")
@@ -92,6 +80,11 @@ module Banzai
end
end
+ # Returns an Array containing all HTML nodes.
+ def nodes
+ @nodes ||= each_node.to_a
+ end
+
# Yields the link's URL and text whenever the node is a valid <a> tag.
def yield_valid_link(node)
link = CGI.unescape(node.attr('href').to_s)
diff --git a/lib/banzai/filter/reference_gatherer_filter.rb b/lib/banzai/filter/reference_gatherer_filter.rb
deleted file mode 100644
index 96fdb06304e..00000000000
--- a/lib/banzai/filter/reference_gatherer_filter.rb
+++ /dev/null
@@ -1,65 +0,0 @@
-module Banzai
- module Filter
- # HTML filter that gathers all referenced records that the current user has
- # permission to view.
- #
- # Expected to be run in its own post-processing pipeline.
- #
- class ReferenceGathererFilter < HTML::Pipeline::Filter
- def initialize(*)
- super
-
- result[:references] ||= Hash.new { |hash, type| hash[type] = [] }
- end
-
- def call
- Querying.css(doc, 'a.gfm').each do |node|
- gather_references(node)
- end
-
- load_lazy_references unless ReferenceExtractor.lazy?
-
- doc
- end
-
- private
-
- def gather_references(node)
- return unless node.has_attribute?('data-reference-filter')
-
- reference_type = node.attr('data-reference-filter')
- reference_filter = Banzai::Filter.const_get(reference_type)
-
- return if context[:reference_filter] && reference_filter != context[:reference_filter]
-
- return if author && !reference_filter.user_can_reference?(author, node, context)
-
- return unless reference_filter.user_can_see_reference?(current_user, node, context)
-
- references = reference_filter.referenced_by(node)
- return unless references
-
- references.each do |type, values|
- Array.wrap(values).each do |value|
- result[:references][type] << value
- end
- end
- end
-
- def load_lazy_references
- refs = result[:references]
- refs.each do |type, values|
- refs[type] = ReferenceExtractor.lazily(values)
- end
- end
-
- def current_user
- context[:current_user]
- end
-
- def author
- context[:author]
- end
- end
- end
-end
diff --git a/lib/banzai/filter/snippet_reference_filter.rb b/lib/banzai/filter/snippet_reference_filter.rb
index d507eb5ebe1..212a0bbf2a0 100644
--- a/lib/banzai/filter/snippet_reference_filter.rb
+++ b/lib/banzai/filter/snippet_reference_filter.rb
@@ -5,6 +5,8 @@ module Banzai
#
# This filter supports cross-project references.
class SnippetReferenceFilter < AbstractReferenceFilter
+ self.reference_type = :snippet
+
def self.object_class
Snippet
end
diff --git a/lib/banzai/filter/user_reference_filter.rb b/lib/banzai/filter/user_reference_filter.rb
index eea3af842b6..5b0a6d8541b 100644
--- a/lib/banzai/filter/user_reference_filter.rb
+++ b/lib/banzai/filter/user_reference_filter.rb
@@ -4,6 +4,8 @@ module Banzai
#
# A special `@all` reference is also supported.
class UserReferenceFilter < ReferenceFilter
+ self.reference_type = :user
+
# Public: Find `@user` user references in text
#
# UserReferenceFilter.references_in(text) do |match, username|
@@ -21,50 +23,13 @@ module Banzai
end
end
- def self.referenced_by(node)
- if node.has_attribute?('data-group')
- group = Group.find(node.attr('data-group')) rescue nil
- return unless group
-
- { user: group.users }
- elsif node.has_attribute?('data-user')
- { user: LazyReference.new(User, node.attr('data-user')) }
- elsif node.has_attribute?('data-project')
- project = Project.find(node.attr('data-project')) rescue nil
- return unless project
-
- { user: project.team.members.flatten }
- end
- end
-
- def self.user_can_see_reference?(user, node, context)
- if node.has_attribute?('data-group')
- group = Group.find(node.attr('data-group')) rescue nil
- Ability.abilities.allowed?(user, :read_group, group)
- else
- super
- end
- end
-
- def self.user_can_reference?(user, node, context)
- # Only team members can reference `@all`
- if node.has_attribute?('data-project')
- project = Project.find(node.attr('data-project')) rescue nil
- return false unless project
-
- user && project.team.member?(user)
- else
- super
- end
- end
-
def call
return doc if project.nil?
ref_pattern = User.reference_pattern
ref_pattern_start = /\A#{ref_pattern}\z/
- each_node do |node|
+ nodes.each do |node|
if text_node?(node)
replace_text_when_pattern_matches(node, ref_pattern) do |content|
user_link_filter(content)
@@ -94,7 +59,7 @@ module Banzai
self.class.references_in(text) do |match, username|
if username == 'all'
link_to_all(link_text: link_text)
- elsif namespace = Namespace.find_by(path: username)
+ elsif namespace = namespaces[username]
link_to_namespace(namespace, link_text: link_text) || match
else
match
@@ -102,6 +67,31 @@ module Banzai
end
end
+ # Returns a Hash containing all Namespace objects for the username
+ # references in the current document.
+ #
+ # The keys of this Hash are the namespace paths, the values the
+ # corresponding Namespace objects.
+ def namespaces
+ @namespaces ||=
+ Namespace.where(path: usernames).each_with_object({}) do |row, hash|
+ hash[row.path] = row
+ end
+ end
+
+ # Returns all usernames referenced in the current document.
+ def usernames
+ refs = Set.new
+
+ nodes.each do |node|
+ node.to_html.scan(User.reference_pattern) do
+ refs << $~[:user]
+ end
+ end
+
+ refs.to_a
+ end
+
private
def urls
@@ -114,9 +104,12 @@ module Banzai
def link_to_all(link_text: nil)
project = context[:project]
+ author = context[:author]
+
url = urls.namespace_project_url(project.namespace, project,
only_path: context[:only_path])
- data = data_attribute(project: project.id)
+
+ data = data_attribute(project: project.id, author: author.try(:id))
text = link_text || User.reference_prefix + 'all'
link_tag(url, data, text)