# exist) giving the current user (or specified owner_uuid)
# permission to read it.
owner_uuid = resource_attrs.delete(:owner_uuid) || current_user.uuid
- owner_kind = if owner_uuid.match(/-(\w+)-/)[1] == User.uuid_prefix
- 'arvados#user'
- else
- 'arvados#group'
- end
unless current_user.can? write: owner_uuid
logger.warn "User #{current_user.andand.uuid} tried to set collection owner_uuid to #{owner_uuid}"
raise ArvadosModel::PermissionDeniedError
end
+
+ # Check permissions on the collection manifest.
+ # If any signature cannot be verified, return 403 Permission denied.
+ perms_ok = true
+ api_token = current_api_client_authorization.andand.api_token
+ signing_opts = { key: Rails.configuration.permission_key, api_token: api_token }
+ resource_attrs[:manifest_text].lines.each do |entry|
+ # TODO(twp): fail the request if this match fails.
+ # Add in Phase 4 (see #2755)
+ m = /([[:xdigit:]]{32}(\+[[:digit:]]+)?)(\+A\S*)?/.match(entry)
+ if m and m[3]
+ if !api_token
+ logger.warn "No API token present; cannot verify signature #{m[0]}"
+ perms_ok = false
+ elsif !Blob.verify_signature m[0], signing_opts
+ logger.warn "Invalid signature on locator #{m[0]}"
+ perms_ok = false
+ end
+ end
+ end
+ unless perms_ok
+ raise ArvadosModel::PermissionDeniedError
+ end
+
+ # Remove any permission signatures from the manifest.
+ resource_attrs[:manifest_text]
+ .gsub!(/^(\S+\s+)([[:xdigit:]]{32}(\+[[:digit:]]+)?)(\+A\S*)/, '\1\2')
+
+ # Save the collection with the stripped manifest.
act_as_system_user do
@object = model_class.new resource_attrs.reject { |k,v| k == :owner_uuid }
begin
owner_uuid: owner_uuid,
link_class: 'permission',
name: 'can_read',
- head_kind: 'arvados#collection',
head_uuid: @object.uuid,
- tail_kind: owner_kind,
tail_uuid: owner_uuid
}
ActiveRecord::Base.transaction do
show
end
+ def show
+ if current_api_client_authorization
+ signing_opts = {
+ key: Rails.configuration.permission_key,
+ api_token: current_api_client_authorization.api_token,
+ }
+ @object[:manifest_text]
+ .gsub!(/^(\S+\s+)([[:xdigit:]]{32}(\+[[:digit:]]+)?)/) { |m|
+ $1 + Blob.sign_locator($2, signing_opts)
+ }
+ end
+ render json: @object.as_api_response(:with_data)
+ end
+
def collection_uuid(uuid)
m = /([a-f0-9]{32}(\+[0-9]+)?)(\+.*)?/.match(uuid)
if m
end
def script_param_edges(visited, sp)
- if sp and not sp.empty?
- case sp
- when Hash
- sp.each do |k, v|
- script_param_edges(visited, v)
- end
- when Array
- sp.each do |v|
- script_param_edges(visited, v)
- end
- else
- m = collection_uuid(sp)
- if m
- generate_provenance_edges(visited, m)
- end
+ case sp
+ when Hash
+ sp.each do |k, v|
+ script_param_edges(visited, v)
+ end
+ when Array
+ sp.each do |v|
+ script_param_edges(visited, v)
+ end
+ when String
+ return if sp.empty?
+ m = collection_uuid(sp)
+ if m
+ generate_provenance_edges(visited, m)
end
end
end
render json: visited
end
+ def generate_used_by_edges(visited, uuid)
+ m = collection_uuid(uuid)
+ uuid = m if m
+
+ if not uuid or uuid.empty? or visited[uuid]
+ return ""
+ end
+
+ logger.debug "visiting #{uuid}"
+
+ if m
+ # uuid is a collection
+ Collection.readable_by(current_user).where(uuid: uuid).each do |c|
+ visited[uuid] = c.as_api_response
+ visited[uuid][:files] = []
+ c.files.each do |f|
+ visited[uuid][:files] << f
+ end
+ end
+
+ if uuid == "d41d8cd98f00b204e9800998ecf8427e+0"
+ # special case for empty collection
+ return
+ end
+
+ Job.readable_by(current_user).where(["jobs.script_parameters like ?", "%#{uuid}%"]).each do |job|
+ generate_used_by_edges(visited, job.uuid)
+ end
+
+ else
+ # uuid is something else
+ rsc = ArvadosModel::resource_class_for_uuid uuid
+ if rsc == Job
+ Job.readable_by(current_user).where(uuid: uuid).each do |job|
+ visited[uuid] = job.as_api_response
+ generate_used_by_edges(visited, job.output)
+ end
+ elsif rsc != nil
+ rsc.where(uuid: uuid).each do |r|
+ visited[uuid] = r.as_api_response
+ end
+ end
+ end
+
+ Link.readable_by(current_user).
+ where(tail_uuid: uuid, link_class: "provenance").
+ each do |link|
+ visited[link.uuid] = link.as_api_response
+ generate_used_by_edges(visited, link.head_uuid)
+ end
+
+ #puts "finished #{uuid}"
+ end
+
+ def used_by
+ visited = {}
+ generate_used_by_edges(visited, @object[:uuid])
+ render json: visited
+ end
protected
def find_object_by_uuid
projects / arvados.git / blobdiff