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* Prefer ImageProcessing's resize_to_limit macro over resize_to_fitGeorge Claghorn2019-01-241-5/+5
| | | | Don't upsize images smaller than the specified dimensions.
* Prevent content type and disposition bypass in storage service URLsRosa Gutierrez2018-11-271-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* Fix zero-byte files uploadMarcelo Perini Veloso2018-09-061-1/+5
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* Recommend using :resize_to_fit after allJanko Marohnić2018-04-231-5/+5
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* Fix leftover references to VariantsController [ci skip]dixpac2018-04-081-1/+1
| | | | | VariantsController has been merged to RepresentationsController, this PR fixes outdated references to VariantsController in ActiveStorage documentation.
* Generate root-relative paths in Active Storage disk service URL methodsGeorge Claghorn2018-03-051-3/+7
| | | | Fixes #32129.
* Merge Previews/Variants controller into one Representations controller.Kasper Timm Hansen2018-03-031-2/+2
| | | | | | | | | Since ActiveStorage::Blob::Representable unifies the idea of previews and variants under one roof as representation, we may as well have the controllers follow suit. Thus ActiveStorage::RepresenationsController enters the fray. I've copied the old tests for both previews and variants and unified those as well.
* Hoist update for clarityGeorge Claghorn2018-02-201-1/+6
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* Extract content types from blob dataGeorge Claghorn2018-01-151-0/+11
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* Update error names in docs [ci skip]George Claghorn2018-01-101-3/+3
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* Add missing `# frozen_string_literal: true`Ryuta Kamizono2018-01-112-0/+4
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* Correct comment [ci skip]George Claghorn2018-01-101-1/+1
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* Extract Analyzable and Representable concernsGeorge Claghorn2018-01-102-0/+146