| Commit message (Collapse) | Author | Age | Files | Lines |
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Fixes two documentation typos found at ActionDispatch::Http::FilterParameters
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Because the UJS library creates a script tag to process responses it
normally requires the script-src attribute of the content security
policy to include 'unsafe-inline'.
To work around this we generate a per-request nonce value that is
embedded in a meta tag in a similar fashion to how CSRF protection
embeds its token in a meta tag. The UJS library can then read the
nonce value and set it on the dynamically generated script tag to
enable it to execute without needing 'unsafe-inline' enabled.
Nonce generation isn't 100% safe - if your script tag is including
user generated content in someway then it may be possible to exploit
an XSS vulnerability which can take advantage of the nonce. It is
however an improvement on a blanket permission for inline scripts.
It is also possible to use the nonce within your own script tags by
using `nonce: true` to set the nonce value on the tag, e.g
<%= javascript_tag nonce: true do %>
alert('Hello, World!');
<% end %>
Fixes #31689.
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Although the spec[1] is defined in such a way that a trailing semi-colon
is valid it also doesn't allow a semi-colon by itself to indicate an
empty policy. Therefore it's easier (and valid) just to omit it rather
than to detect whether the policy is empty or not.
[1]: https://www.w3.org/TR/CSP2/#policy-syntax
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This reverts commit 86f7c269073a3a9e6ddec9b957deaa2716f2627d, reversing
changes made to 5ece2e4a4459065b5efd976aebd209bbf0cab89b.
If a policy is set then we should generate it even if it's empty.
However what is happening is that we're accidentally generating an
empty policy when the initializer is commented out by default.
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`Rails.application.config.content_security_policy` is configured with no
policies by default. In this case, Content-Security-Policy header should
not be generated instead of generating the header with no directives.
Firefox also warns "Content Security Policy: Couldn't process unknown
directive ''".
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Some attr_readers should be `protected` instead of `private`
See https://travis-ci.org/rails/rails/builds/342800276
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### Summary
This PR changes .rubocop.yml.
Regarding the code using `if ... else ... end`, I think the coding style
that Rails expects is as follows.
```ruby
var = if cond
a
else
b
end
```
However, the current .rubocop.yml setting does not offense for the
following code.
```ruby
var = if cond
a
else
b
end
```
I think that the above code expects offense to be warned.
Moreover, the layout by autocorrect is unnatural.
```ruby
var = if cond
a
else
b
end
```
This PR adds a setting to .rubocop.yml to make an offense warning and
autocorrect as expected by the coding style.
And this change also fixes `case ... when ... end` together.
Also this PR itself is an example that arranges the layout using
`rubocop -a`.
### Other Information
Autocorrect of `Lint/EndAlignment` cop is `false` by default.
https://github.com/bbatsov/rubocop/blob/v0.51.0/config/default.yml#L1443
This PR changes this value to `true`.
Also this PR has changed it together as it is necessary to enable
`Layout/ElseAlignment` cop to make this behavior.
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Initial support for running Rails on FIPS-certified systems
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implementation
and defaults to `Digest::MD5`.
Replaced calls to `::Digest::MD5.hexdigest` with calls to `ActiveSupport::Digest.hexdigest`.
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Follow up of 3c442b6df91e291ebbf17f37444414bf5f10fbe6
Without this require, it will fail when run CSP test alone.
Ref: https://travis-ci.org/rails/rails/jobs/311715758#L2976
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Use Object#deep_dup to safely duplicate policy values
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See discussion in #31251
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https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
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Fix typoes on ActionDispatch::HTTP::FilterParameters
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Support for this header was removed when `actionpack-xml_parser` was
extracted, and has since been dropped from the gem.
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This basically reverts e9fca7668b9eba82bcc832cb0061459703368397, d08da958b9ae17d4bbe4c9d7db497ece2450db5f,
d1fe1dcf8ab1c0210a37c2a78c1ee52cf199a66d, and 68eaf7b4d5f2bb56d939f71c5ece2d61cf6680a3
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When puma/puma#1403 is merged Puma will support the Early Hints status
code for sending assets before a request has finished.
While the Early Hints spec is still in draft, this PR prepares Rails to
allowing this status code.
If the proxy server supports Early Hints, it will send H2 pushes to the
client.
This PR adds a method for setting Early Hints Link headers via Rails,
and also automatically sends Early Hints if supported from the
`stylesheet_link_tag` and the `javascript_include_tag`.
Once puma supports Early Hints the `--early-hints` argument can be
passed to the server to enable this or set in the puma config with
`early_hints(true)`. Note that for Early Hints to work
in the browser the requirements are 1) a proxy that can handle H2,
and 2) HTTPS.
To start the server with Early Hints enabled pass `--early-hints` to
`rails s`.
This has been verified to work with h2o, Puma, and Rails with Chrome.
The commit adds a new option to the rails server to enable early hints
for Puma.
Early Hints spec:
https://tools.ietf.org/html/draft-ietf-httpbis-early-hints-04
[Eileen M. Uchitelle, Aaron Patterson]
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Normalize/process Cache-Control headers consistently
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The prior logic explictly set `Cache-Control` to `nil`. But, we would only
reach that logic if the header was not set to begin with. So, rather than give
it any value at all, just leave it alone.
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The prior logic was trying to do too many things at once. For all responses,
we want to perform two distinct steps:
* Merge/normalize the `Cache-Control` values found in HTTP headers and those
found in the `@cache_control` hash.
* Conditionally set a default `Cache-Control` header value when we have an ETag
This change separates these concerns since the merge/normalize step should
occur for all responses, but the second should only occur when we have already
set an ETag/last modified value. Normally ETag middleware will set a default
`Cache-Control`, but only if an existing ETag is not already set. So, in the
cases where an ETag is set, we need to set the default `Cache-Control` value
ourselves.
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In the existing logic, the `Cache-Control` header may or may not get
normalized by additional logic depending on whether `response.cache_conrol`
has been modified. This leads to inconsistent behavior, since sometimes
`Cache-Control` can contain whatever a user sets and sometimes it gets
normalized, based on the logic inside of `set_conditional_cache_control!`. It
seems like this normalization process should happen regardless to ensure
consistent behavior.
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Refactoring `Response#charset=`
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By this commit, `#set_header` is called only via
`#set_content_type`. This commit makes the role of
`#charset=` more clear.
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This commit changes the behavior such the path_params now default to
UTF8 just like regular parameters. This also changes the behavior such
that if a path parameter contains invalid UTF8 it returns a 400 bad
request. Previously the behavior was to encode the path params as binary
but that's not the same as query params.
So this commit makes path params behave the same as query params.
It's important to test with a path that's encoded as binary because
that's how paths are encoded from the socket. The test that was altered
was changed to make the behavior for bad encoding the same as query
params. We want to treat path params the same as query params. The params
in the test are invalid UTF8 so they should return a bad request.
Fixes #29669
*Eileen M. Uchitelle, Aaron Patterson, & Tsukuru Tanimichi*
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This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing
changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
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Enforce frozen string in Rubocop
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Make ActiveSupport frozen-string-literal friendly.
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