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Implement verify_download_integrity for bottle manifests.

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This commit is contained in:
Markus Reiter 2024-07-13 16:50:53 -04:00
parent 05f07953fe
commit ae6f43921a
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GPG Key ID: 245293B51702655B
2 changed files with 14 additions and 16 deletions
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21
Library/Homebrew/resource.rb
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@ -269,6 +269,8 @@ class Resource < Downloadable
# A resource for a bottle manifest.
class BottleManifest < Resource
class Error < RuntimeError; end
attr_reader :bottle
def initialize(bottle)
@ -277,22 +279,25 @@ class Resource < Downloadable
end
def verify_download_integrity(_filename)
# no-op
# We don't have a checksum, but we can at least try parsing it.
tab
rescue Error => e
raise DownloadError.new(self, e)
end
def tab
json = begin
JSON.parse(cached_download.read)
rescue JSON::ParserError
raise "The downloaded GitHub Packages manifest was corrupted or modified (it is not valid JSON): " \
"\n#{cached_download}"
raise Error, "The downloaded GitHub Packages manifest was corrupted or modified (it is not valid JSON): " \
"\n#{cached_download}"
end
manifests = json["manifests"]
raise ArgumentError, "Missing 'manifests' section." if manifests.blank?
raise Error, "Missing 'manifests' section." if manifests.blank?
manifests_annotations = manifests.filter_map { |m| m["annotations"] }
raise ArgumentError, "Missing 'annotations' section." if manifests_annotations.blank?
raise Error, "Missing 'annotations' section." if manifests_annotations.blank?
bottle_digest = bottle.resource.checksum.hexdigest
image_ref = GitHubPackages.version_rebuild(bottle.resource.version, bottle.rebuild, bottle.tag.to_s)
@ -301,15 +306,15 @@ class Resource < Downloadable
m["org.opencontainers.image.ref.name"] == image_ref
end
raise ArgumentError, "Couldn't find manifest matching bottle checksum." if manifest_annotations.blank?
raise Error, "Couldn't find manifest matching bottle checksum." if manifest_annotations.blank?
tab = manifest_annotations["sh.brew.tab"]
raise ArgumentError, "Couldn't find tab from manifest." if tab.blank?
raise Error, "Couldn't find tab from manifest." if tab.blank?
begin
JSON.parse(tab)
rescue JSON::ParserError
raise ArgumentError, "Couldn't parse tab JSON."
raise Error, "Couldn't parse tab JSON."
end
end
end

9
Library/Homebrew/software_spec.rb
View File

@ -392,14 +392,7 @@ class Bottle
def fetch_tab
return if github_packages_manifest_resource.blank?
# a checksum is used later identifying the correct tab but we do not have the checksum for the manifest/tab
github_packages_manifest_resource.fetch(verify_download_integrity: false)
begin
github_packages_manifest_resource.tab
rescue RuntimeError => e
raise DownloadError.new(github_packages_manifest_resource, e)
end
github_packages_manifest_resource.fetch
rescue DownloadError
raise unless fallback_on_error