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ActiveSupport::TestCase now"
This reverts commit 98d0f7ebd34b858f12a12dcf37ae54fdbb5cab64.
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It's used everywhere, clean and mature enough
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Accommodate case-insensitive filesystems and database collations.
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`ActiveStorage::Filename#parameters` was removed by #33829.
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* Force content-type to binary on service urls for relevant content types
We have a list of content types that must be forcibly served as binary,
but in practice this only means to serve them as attachment always. We
should also set the Content-Type to the configured binary type.
As a bonus: add text/cache-manifest to the list of content types to be
served as binary by default.
* Store content-disposition and content-type in GCS
Forcing these in the service_url when serving the file works fine for S3
and Azure, since these services include params in the signature.
However, GCS specifically excludes response-content-disposition and
response-content-type from the signature, which means an attacker can
modify these and have files that should be served as text/plain attachments
served as inline HTML for example. This makes our attempt to force
specific files to be served as binary and as attachment can be easily
bypassed.
The only way this can be forced in GCS is by storing
content-disposition and content-type in the object metadata.
* Update GCS object metadata after identifying blob
In some cases we create the blob and upload the data before identifying
the content-type, which means we can't store that in GCS right when
uploading. In these, after creating the attachment, we enqueue a job to
identify the blob, and set the content-type.
In other cases, files are uploaded to the storage service via direct
upload link. We create the blob before the direct upload, which happens
independently from the blob creation itself. We then mark the blob as
identified, but we have already the content-type we need without having
put it in the service.
In these two cases, then, we need to update the metadata in the GCS
service.
* Include content-type and disposition in the verified key for disk service
This prevents an attacker from modifying these params in the service
signed URL, which is particularly important when we want to force them
to have specific values for security reasons.
* Allow only a list of specific content types to be served inline
This is different from the content types that must be served as binary
in the sense that any content type not in this list will be always
served as attachment but with its original content type. Only types in
this list are allowed to be served either inline or as attachment.
Apart from forcing this in the service URL, for GCS we need to store the
disposition in the metadata.
Fix CVE-2018-16477.
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Do nothing instead of raising an error when it’s called on an attached blob.
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[David Robertson & George Claghorn]
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This adds a boolean argument called identify to ActiveStorage::Blob
methods #create_after_upload, #build_after_upload and #upload. It
allows a user to bypass the automatic content_type inference from
the io.
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Match other services, which all use a 5 MB chunk size.
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Trying to pass the current request down to the service so that it can
create full urls instead of paths makes the API messy so use a model
based on ActiveSupport::CurrentAttributes to provide the current host
to services that need it (primarily the disk service).
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Fixes #32129.
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- Make sure `blob.service_url` present a `ActiveStorage::Filename` type to `serivce.url`.
- Add `ActiveStorage::Filename.wrap` method.
before:
```rb
blob.service_url(filename: ActiveStorage::Filename.new("new.txt"))
blob.service_url(filename: "new.txt")
=> NoMethodError: undefined method `parameters' for "new.txt":String
params = {}
blob.service_url(filename: params[:filename])
=> NoMethodError: undefined method `parameters' for nil:NilClass
```
after:
```rb
blob.service_url(filename: "new.txt")
blob.service_url(filename: nil)
```
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`service.url`.
Because there have some service needs more parameters for file URL:
https://www.alibabacloud.com/help/doc-detail/44687.htm
```rb
class AliyunService < Service
def url(key, options = {})
image_process = options[:oss_process] || "image/resize,w_800"
"http://image-demo.oss-cn-hangzhou.aliyuncs.com/example.jpg?x-oss-process=#{image_process}"
end
end
```
Use case:
```erb
<%= image_tag @user.avatar.service_url(oss_process: "image/resize,m_fill,h_100,w_100" %>
```
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This is useful when we have several representations for the same
underlying file, each one with a different name, and we need to provide
a custom download URL based on that name and not that of the underlying
file.
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In this way we avoid HTML, XML, SVG and other files that can be rendered
by the browser to be served inline by default. Depending on the origin
from where these files are served, this might lead to XSS
vulnerabilities, and in the best case, to more realistic phishing
attacks and open redirects.
We force it rather than falling back to it when other disposition is not
provided. Otherwise it would be possible for someone to force inline
just by passing `disposition=inline` in the URL.
The list of content types to be served as attachments is configurable.
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Closes #30134.
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git-subtree-dir: activestorage
git-subtree-mainline: 0d58e7e478e79c2d6b2a39a4444d2a17a903b2a6
git-subtree-split: 3f4a7218a4a4923a0e7ce1b2eb0d2888ce30da58
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