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intercode_schema.rb
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intercode_schema.rb
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# frozen_string_literal: true
class IntercodeSchema < GraphQL::Schema
class NotAuthorizedError < GraphQL::ExecutionError
attr_reader :current_user
def self.from_error(error, message, **args)
new(message, current_user: error.context[:current_user], **args)
end
def initialize(message, current_user:, **args)
super(message, **args)
@current_user = current_user
end
def message
if current_user
super
else
"Not logged in"
end
end
def code
current_user ? "NOT_AUTHORIZED" : "NOT_AUTHENTICATED"
end
def to_h
super.merge("extensions" => { "code" => code, "current_user_id" => current_user&.id })
end
end
class DeprecatedUsageAnalyzer < GraphQL::Analysis::AST::Analyzer
def initialize(query_or_multiplex)
super
@context = query_or_multiplex.context
@deprecated_usages = Set.new
end
def on_leave_field(node, _parent, visitor)
operation_name = visitor.query.operation_name
check_deprecated_field_usage(node, visitor, operation_name)
argument_names = node.arguments.map(&:name)
argument_names.each do |argument_name|
check_deprecated_argument_usage(node, visitor, argument_name, operation_name)
end
end
def check_deprecated_field_usage(node, visitor, operation_name)
return if visitor.field_definition.deprecation_reason.blank?
@deprecated_usages.add(
{
operation_name: operation_name,
graphql_type: visitor.field_definition.owner.graphql_name,
field_name: node.name,
argument_name: nil
}
)
end
def check_deprecated_argument_usage(node, visitor, argument_name, operation_name)
argument = visitor.field_definition.arguments.symbolize_keys[argument_name.to_sym]
return if argument.deprecation_reason.blank?
@deprecated_usages.add(
{
operation_name: operation_name,
graphql_type: visitor.field_definition.owner.graphql_name,
field_name: node.name,
argument_name: argument_name
}
)
end
def result
return if @deprecated_usages.blank?
client_address = @context[:controller]&.request&.ip
user_agent = @context[:controller]&.request&.user_agent
@deprecated_usages.each do |usage|
DeprecatedGraphQlUsage.create(**usage, client_address: client_address, user_agent: user_agent)
end
Rails.logger.warn("Deprecated GraphQL fields/arguments used: #{@deprecated_usages.as_json.inspect}")
end
end
trace_with GraphQL::Tracing::SentryTrace
mutation(Types::MutationType)
query(Types::QueryType)
query_analyzer DeprecatedUsageAnalyzer
use GraphQL::Dataloader
rescue_from ActiveRecord::RecordInvalid do |err, _obj, _args, _ctx, _field|
raise GraphQL::ExecutionError.new(
"Validation failed for #{err.record.class.name}: \
#{err.record.errors.full_messages.join(", ")}",
extensions: {
validationErrors: err.record.errors.as_json,
code: "RECORD_INVALID"
}
)
end
rescue_from ActiveRecord::RecordNotFound do |_err, _obj, _args, _ctx, field|
type_name = field.type.unwrap.graphql_name
if type_name == "Boolean"
raise GraphQL::ExecutionError.new(
"Record not found while evaluating #{field.name}",
extensions: {
code: "NOT_FOUND"
}
)
end
raise GraphQL::ExecutionError.new("#{field.type.unwrap.graphql_name} not found", extensions: { code: "NOT_FOUND" })
end
rescue_from Liquid::SyntaxError do |err, _obj, _args, _ctx, _field|
IntercodeSchema.log_error(err)
raise GraphQL::ExecutionError.new(err.message, extensions: { backtrace: err.backtrace })
end
rescue_from CivilService::ServiceFailure do |err, _obj, _args, _ctx, _field|
Rollbar.error(err)
IntercodeSchema.log_error(err)
raise GraphQL::ExecutionError.new(
err.result.errors.full_messages.join(", "),
extensions: {
backtrace: err.backtrace
}
)
end
# Catch-all for unhandled errors
rescue_from StandardError do |err, _obj, _args, _ctx, _field|
Rollbar.error(err)
IntercodeSchema.log_error(err)
raise GraphQL::ExecutionError.new(err.message, extensions: { backtrace: err.backtrace })
end
def self.log_error(err)
backtrace = Rails.backtrace_cleaner.clean(err.backtrace)
Rails.logger.error([err.message, *backtrace].join($INPUT_RECORD_SEPARATOR))
end
def self.resolve_type(_abstract_type, object, _context)
case object
when MailingListsPresenter
Types::MailingListsType
end
end
def self.object_from_id(node_id, ctx)
end
def self.id_from_object(object, type, ctx)
end
def self.unauthorized_object(error)
# Add a top-level error to the response instead of returning nil:
raise NotAuthorizedError.from_error(
error,
"An object of type #{error.type.graphql_name} was hidden due to permissions"
)
end
def self.unauthorized_field(error)
# It should be safe to query for admin_notes even if you can't see them
return nil if error.field.graphql_name == "admin_notes"
# Add a top-level error to the response instead of returning nil:
raise NotAuthorizedError.from_error(
error,
"The field #{error.field.graphql_name} on an object of type #{error.type.graphql_name} \
was hidden due to permissions"
)
end
end