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Add full document sanitization in theme support #929

Merged
merged 17 commits into from
Feb 5, 2018
Merged

Add full document sanitization in theme support #929

merged 17 commits into from
Feb 5, 2018

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westonruter
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@westonruter westonruter commented Feb 4, 2018 •
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  • Add sanitization of the entire html document not just the `body.
  • Add support for enqueueing font stylesheets from spec-allowed sources.
  • Rewrite amphtml-update.py to use PHP for generation of array literals as opposed to using the previous buggy Python functions.
  • Remove useless amp4ads from generated PHP.
  • Enforce that the <html> element has the amp attribute.
  • Enforce that there is a meta charset and meta viewport, after page is rendered and sanitization is complete. Wait to set rel=canonical link until page is rendered.
  • De-duplicate boilerplate CSS; print boilerplate CSS in same routing that does custom CSS.
  • Remove just-added dispatch_key logic from Fix dispatch_key handling for NAME_VALUE_DISPATCH; add cdata validation #926 since turns out to not be necessary.
  • Eliminate hard-coding of keyframes max_size.
  • Ensure styles in head get sanitized like styles output in body.

Todo:

Fixes #875.

@westonruter
Stop excluding children of HEAD
0d01dbb
@westonruter
Include extension_spec in exported tag_spec
c6e68b7
@westonruter
Rework output buffering sanitization to apply to entire doc
62cbd6c
@westonruter
Add ability to use html document element as sanitization root
372412b 
* Sanitize the elements in the HEAD.
* Deprecate get_body_node in favor of getting html or body element once and storing in var.
* Add support for alternative attribute names in check for mandatory attributes.
* Expand use of NAME_VALUE_DISPATCH for other value matching results.
@westonruter
Prevent lower-casing regex values from spec
8c39957
@westonruter
Exclude amp4ads rules from spec; omit html_format since unused
cd53fce
@westonruter
Add tests for sanitizing the html document element as a whole
d8c4054
@westonruter
Allow enqueued font URLs to be printed normally as stylesheet links
f6ccbe9
@westonruter
Enforce html element to have amp attribute if not present
af0da8c
@westonruter
Re-write amphtml-update.py to use PHP for serializing
7adb70f 
This reduces a lot of complexity and as well as it fixes errors in the PHP-generation
@westonruter
Just-in-time ensure that meta charset, meta viewport, and rel=canonic…
d4db6d5 
…al link are present
@westonruter westonruter added this to the v0.7 milestone Feb 4, 2018
@kienstra
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kienstra commented Feb 4, 2018

Review In Progress

Hi @westonruter,
I'm reviewing this now.

kienstra
kienstra approved these changes Feb 4, 2018
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Approved
Made Minor Point

Hi @westonruter,
This pull request looks good. Phpize seems to have simplified creating the PHP in amphtml-update.py.

I made a minor point, but this is approved.

includes/class-amp-theme-support.php
echo self::CUSTOM_STYLES_PLACEHOLDER; // WPCS: XSS OK.
echo '</style>';
public static function add_amp_styles_placeholder() {
echo self::STYLES_PLACEHOLDER; // WPCS: XSS OK.
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This looks to have the same output:

echo wp_kses_post( self::STYLES_PLACEHOLDER );

Of course, this is a minor point, and not a blocker.

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Thanks. Since this is a constant it doesn't need escaping.

@westonruter
Eliminate needless use of dispatch_key and looping over attr spec lis…
67b6de6 
…ts once failure found
@westonruter
Add support for value_properties, validating meta viewport content an…
9797778 
…d X-UA-Compatible content
@westonruter
Update use of constants in AMP_Rule_Spec
b8036f7 
* Remove newly-unused dispatch key constant.
* Use integers for flags.
* Use constants instead of string literals.
@westonruter westonruter mentioned this pull request Feb 5, 2018
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@westonruter westonruter merged commit 574b253 into develop Feb 5, 2018
@westonruter westonruter deleted the add/full-document-sanitization branch February 5, 2018 05:37
@westonruter westonruter mentioned this pull request Feb 5, 2018
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@ThierryA
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ThierryA commented Feb 5, 2018 •
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I absolutely love these changes ❤️

This was referenced Feb 6, 2018
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@westonruter westonruter mentioned this pull request Jul 6, 2020
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@kienstra kienstra kienstra approved these changes

@ThierryA ThierryA Awaiting requested review from ThierryA

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