end
# Remove any permission signatures from the manifest.
- resource_attrs[:manifest_text]
- .gsub!(/ [[:xdigit:]]{32}(\+[[:digit:]]+)?(\+\S+)/) { |word|
- word.strip!
- loc = Locator.parse(word)
- if loc
- " " + loc.without_signature.to_s
- else
- " " + word
- end
- }
+ munge_manifest_locators(resource_attrs[:manifest_text]) do |loc|
+ loc.without_signature.to_s
+ end
super
end
end
def show
- if current_api_client_authorization
- signing_opts = {
- key: Rails.configuration.blob_signing_key,
- api_token: current_api_client_authorization.api_token,
- ttl: Rails.configuration.blob_signing_ttl,
- }
- @object[:manifest_text]
- .gsub!(/ [[:xdigit:]]{32}(\+[[:digit:]]+)?(\+\S+)/) { |word|
- word.strip!
- loc = Locator.parse(word)
- if loc
- " " + Blob.sign_locator(word, signing_opts)
- else
- " " + word
- end
- }
- end
- if @object.is_a? Collection
- render json: @object.as_api_response(:with_data)
- else
- render json: @object
- end
+ sign_manifests(@object[:manifest_text])
+ super
+ end
+
+ def index
+ sign_manifests(*@objects.map { |c| c[:manifest_text] })
+ super
end
def script_param_edges(visited, sp)
render json: visited
end
+ def self.munge_manifest_locators(manifest)
+ # Given a manifest text and a block, yield each locator,
+ # and replace it with whatever the block returns.
+ manifest.andand.gsub!(/ [[:xdigit:]]{32}(\+[[:digit:]]+)?(\+\S+)/) do |word|
+ if loc = Locator.parse(word.strip)
+ " " + yield(loc)
+ else
+ " " + word
+ end
+ end
+ end
+
+ protected
+
+ def find_objects_for_index
+ # Omit manifest_text from index results unless expressly selected.
+ @select ||= model_class.api_accessible_attributes(:user).
+ map { |attr_spec| attr_spec.first.to_s } - ["manifest_text"]
+ super
+ end
+
+ def find_object_by_uuid
+ super
+ if !@object and !params[:uuid].match(/^[0-9a-f]+\+\d+$/)
+ # Normalize the given uuid and search again.
+ hash_part = params[:uuid].match(/^([0-9a-f]*)/)[1]
+ collection = Collection.where('uuid like ?', hash_part + '+%').first
+ if collection
+ # We know the collection exists, and what its real uuid is in
+ # the database. Now, throw out @objects and repeat the usual
+ # lookup procedure. (Returning the collection at this point
+ # would bypass permission checks.)
+ @objects = nil
+ @where = { uuid: collection.uuid }
+ find_objects_for_index
+ @object = @objects.first
+ end
+ end
+ end
+
+ def munge_manifest_locators(manifest, &block)
+ self.class.munge_manifest_locators(manifest, &block)
+ end
+
+ def sign_manifests(*manifests)
+ if current_api_client_authorization
+ signing_opts = {
+ key: Rails.configuration.blob_signing_key,
+ api_token: current_api_client_authorization.api_token,
+ ttl: Rails.configuration.blob_signing_ttl,
+ }
+ manifests.each do |text|
+ munge_manifest_locators(text) do |loc|
+ Blob.sign_locator(loc.to_s, signing_opts)
+ end
+ end
+ end
+ end
end