112 lines
3.4 KiB
Ruby
112 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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module Banzai
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module Filter
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# HTML filter that replaces label references with links.
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class LabelReferenceFilter < AbstractReferenceFilter
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self.reference_type = :label
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def self.object_class
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Label
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end
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def find_object(parent_object, id)
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find_labels(parent_object).find(id)
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end
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def self.references_in(text, pattern = Label.reference_pattern)
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unescape_html_entities(text).gsub(pattern) do |match|
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yield match, $~[:label_id].to_i, $~[:label_name], $~[:project], $~[:namespace], $~
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end
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end
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def references_in(text, pattern = Label.reference_pattern)
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unescape_html_entities(text).gsub(pattern) do |match|
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namespace, project = $~[:namespace], $~[:project]
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project_path = full_project_path(namespace, project)
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label = find_label(project_path, $~[:label_id], $~[:label_name])
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if label
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yield match, label.id, project, namespace, $~
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else
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match
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end
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end
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end
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def find_label(parent_ref, label_id, label_name)
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parent = parent_from_ref(parent_ref)
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return unless parent
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label_params = label_params(label_id, label_name)
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find_labels(parent).find_by(label_params)
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end
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def find_labels(parent)
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params = if parent.is_a?(Group)
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{ group_id: parent.id,
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include_ancestor_groups: true,
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only_group_labels: true }
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else
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{ project_id: parent.id,
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include_ancestor_groups: true }
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end
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LabelsFinder.new(nil, params).execute(skip_authorization: true)
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end
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# Parameters to pass to `Label.find_by` based on the given arguments
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#
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# id - Integer ID to pass. If present, returns {id: id}
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# name - String name to pass. If `id` is absent, finds by name without
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# surrounding quotes.
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#
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# Returns a Hash.
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def label_params(id, name)
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if name
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{ name: name.tr('"', '') }
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else
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{ id: id.to_i }
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end
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end
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def url_for_object(label, parent)
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h = Gitlab::Routing.url_helpers
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if parent.is_a?(Project)
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h.project_issues_url(parent, label_name: label.name, only_path: context[:only_path])
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elsif context[:label_url_method]
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h.public_send(context[:label_url_method], parent, label_name: label.name, only_path: context[:only_path]) # rubocop:disable GitlabSecurity/PublicSend
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end
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end
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def object_link_text(object, matches)
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label_suffix = ''
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if project || full_path_ref?(matches)
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project_path = full_project_path(matches[:namespace], matches[:project])
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parent_from_ref = from_ref_cached(project_path)
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reference = parent_from_ref.to_human_reference(project || group)
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label_suffix = " <i>in #{reference}</i>" if reference.present?
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end
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LabelsHelper.render_colored_label(object, label_suffix)
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end
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def full_path_ref?(matches)
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matches[:namespace] && matches[:project]
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end
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def unescape_html_entities(text)
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CGI.unescapeHTML(text.to_s)
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end
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def object_link_title(object, matches)
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# use title of wrapped element instead
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nil
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end
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end
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end
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end
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