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Generated pages are blank when SECURE_SSL_REDIRECT is enabled #24

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loicteixeira opened this issue Feb 3, 2018 · 0 comments
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@loicteixeira
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It is sometimes required to set SECURE_SSL_REDIRECT to True in the settings (e.g. you can't force the redirection before the request reaches Django). When you do so however, the generated pages will be completely blank.

This is because the request is not set as secure:
https://github.com/moorinteractive/wagtail-bakery/blob/4c2979956a9601ffd25811314e90b31f713e60c6/src/wagtailbakery/views.py#L91-L92

Which returns a HttpResponsePermanentRedirect which isn't handled (it reaches the 3rd if branch where reponse.content is b''):
https://github.com/moorinteractive/wagtail-bakery/blob/4c2979956a9601ffd25811314e90b31f713e60c6/src/wagtailbakery/views.py#L31-L40

While there might be some discussions to have on how a HttpResponsePermanentRedirect should be handled, I reckon this is for another issue and that the right fix here is to set the request as secure. I'll open a PR shortly.

stevejalim pushed a commit to mdn/developer-portal that referenced this issue Sep 23, 2019
…bakes out empty HTML

This commit subclasses wagtail-bakery's `AllPublishedPagesView` in a way that detects
application-level SSL redirection in order to avoid an issue where rendered pages end up
being 0 bytes.

See wagtail-nest/wagtail-bakery#24 for confirmation of the
issue and the discussion on wagtail-nest/wagtail-bakery#25
that points to a custom view being the (current) workaround. Ideally we'll be
able to replace this when that issue is resolved.

The code in this commit is basically taken from that closed PR, which adds the
`secure_request` variable. Hat-tip to @loicteixeira - thanks!

No unit test added, but manually tested locally to confirm this does indeed fix the
static build while `SECURE_SSL_REDIRECT` is `True`
stevejalim pushed a commit to mdn/developer-portal that referenced this issue Sep 25, 2019
* 22: Enable recommended-by-Django security settings as defaults

The base settings now follow all-but-one of the recommendations from manage.py `check --deploy`.
The only one that's not been done in this changeset is SECURE_HSTS_SECONDS, because of the risk of "serious, irreversible problems". That needs to be planned in to enable it properly.

Note that we're explicitly setting what HTTP header to look for to detect the SSL-forwarded header, which should stop the redirect loop in production.

Development settings turn off SSL redirect, because the local build isn't set to use HTTPS. (It could be tweaked to use HTTPS, too - but that's out of scope for this piece)

* 22: Address issue with wagtail-bakery where SECURE_SSL_REDIRECT=True bakes out empty HTML

This commit subclasses wagtail-bakery's `AllPublishedPagesView` in a way that detects
application-level SSL redirection in order to avoid an issue where rendered pages end up
being 0 bytes.

See wagtail-nest/wagtail-bakery#24 for confirmation of the
issue and the discussion on wagtail-nest/wagtail-bakery#25
that points to a custom view being the (current) workaround. Ideally we'll be
able to replace this when that issue is resolved.

The code in this commit is basically taken from that closed PR, which adds the
`secure_request` variable. Hat-tip to @loicteixeira - thanks!

No unit test added, but manually tested locally to confirm this does indeed fix the
static build while `SECURE_SSL_REDIRECT` is `True`
William-Blackie pushed a commit to William-Blackie/Wagtail-Backery-Squash-POC that referenced this issue Aug 3, 2020
- Toward wagtail-nest#24. Pending image stretch fix, need to enhance
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