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use mruby::load::MrbLoadSources;
use mruby::Mrb;
use mruby::MrbError;
use std::borrow::Cow;
use std::convert::AsRef;
use crate::Gem;
pub fn init(interp: &Mrb) -> Result<(), MrbError> {
RackProtection::init(interp)
}
#[derive(RustEmbed)]
#[folder = "$CARGO_MANIFEST_DIR/vendor/ruby/2.6.0/gems/rack-protection-2.0.5/lib"]
struct RackProtection;
impl RackProtection {
fn contents<T: AsRef<str>>(path: T) -> Result<Vec<u8>, MrbError> {
let path = path.as_ref();
let contents = Self::get(path)
.map(Cow::into_owned)
.ok_or_else(|| MrbError::SourceNotFound(path.to_owned()))?;
if path == "rack/protection/base.rb" {
let mut string = String::from_utf8(contents)
.map_err(|_| MrbError::SourceNotFound(path.to_owned()))?;
string = string.replace(
"define_method(:default_options) { super().merge(options) }",
"define_method(:default_options) { @default_options ||= DEFAULT_OPTIONS; @default_options.merge(options) }",
);
string = string.replace(
"def default_options\n DEFAULT_OPTIONS\n end",
"def default_options; @default_options ||= DEFAULT_OPTIONS; end",
);
string = string.replace("defined? SecureRandom", "true");
Ok(string.into_bytes())
} else {
Ok(contents)
}
}
}
impl Gem for RackProtection {
fn init(interp: &Mrb) -> Result<(), MrbError> {
for source in Self::iter() {
let contents = Self::contents(&source)?;
interp.def_rb_source_file(source, contents)?;
}
Ok(())
}
}