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Move pre_process into render_result This MR moves `Banzai::Renderer.pre_process` into `Banzai::Renderer.render_result`. The `pre_process` method was called even when its output would be ignored. See 11a5a4f359ee57029dbfcc9185fc6b47243ea2aa for more details. See merge request !4830
83 lines
2.6 KiB
Ruby
83 lines
2.6 KiB
Ruby
module Banzai
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module Renderer
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# Convert a Markdown String into an HTML-safe String of HTML
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#
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# Note that while the returned HTML will have been sanitized of dangerous
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# HTML, it may post a risk of information leakage if it's not also passed
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# through `post_process`.
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#
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# Also note that the returned String is always HTML, not XHTML. Views
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# requiring XHTML, such as Atom feeds, need to call `post_process` on the
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# result, providing the appropriate `pipeline` option.
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#
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# markdown - Markdown String
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# context - Hash of context options passed to our HTML Pipeline
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#
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# Returns an HTML-safe String
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def self.render(text, context = {})
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cache_key = context.delete(:cache_key)
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cache_key = full_cache_key(cache_key, context[:pipeline])
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if cache_key
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Gitlab::Metrics.measure(:banzai_cached_render) do
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Rails.cache.fetch(cache_key) do
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cacheless_render(text, context)
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end
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end
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else
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cacheless_render(text, context)
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end
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end
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def self.render_result(text, context = {})
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text = Pipeline[:pre_process].to_html(text, context) if text
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Pipeline[context[:pipeline]].call(text, context)
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end
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# Perform post-processing on an HTML String
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#
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# This method is used to perform state-dependent changes to a String of
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# HTML, such as removing references that the current user doesn't have
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# permission to make (`RedactorFilter`).
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#
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# html - String to process
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# context - Hash of options to customize output
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# :pipeline - Symbol pipeline type
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# :project - Project
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# :user - User object
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#
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# Returns an HTML-safe String
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def self.post_process(html, context)
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context = Pipeline[context[:pipeline]].transform_context(context)
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pipeline = Pipeline[:post_process]
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if context[:xhtml]
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pipeline.to_document(html, context).to_html(save_with: Nokogiri::XML::Node::SaveOptions::AS_XHTML)
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else
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pipeline.to_html(html, context)
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end.html_safe
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end
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private
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def self.cacheless_render(text, context = {})
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Gitlab::Metrics.measure(:banzai_cacheless_render) do
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result = render_result(text, context)
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output = result[:output]
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if output.respond_to?(:to_html)
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output.to_html
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else
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output.to_s
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end
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end
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end
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def self.full_cache_key(cache_key, pipeline_name)
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return unless cache_key
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["banzai", *cache_key, pipeline_name || :full]
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end
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end
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end
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