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http mitm proxy. Simple http proxy to modify Range: http headers. Can be used to speed up youtube in mpv
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| #!/bin/sh | |
| # installation script for the lazy | |
| # this script assumes rust toolchain (https://rustup.rs/) and openssl are installed | |
| # should also work in windows assuming you edit ~/.config/mpv to your mpv dir | |
| set -eux | |
| git clone https://gist.github.com/253347b2c9a53bbd6087f086970106b6.git ytrangefix | |
| cd ytrangefix | |
| mkdir src | |
| cp main.rs src/ | |
| cargo build --release | |
| # install lua script to mpv dir | |
| scriptdir=~/.config/mpv/scripts/ytrangefix | |
| mkdir -p $scriptdir | |
| cp target/release/http-ytproxy $scriptdir/ | |
| cp ytproxy.lua $scriptdir/main.lua | |
| cd $scriptdir | |
| # generate private keys for mitm proxy (they don't matter) | |
| openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 3650 -passout pass:"third-wheel" -subj "/C=US/ST=private/L=province/O=city/CN=hostname.example.com" | |
| echo done! |
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| # To generate mitm cert and key: | |
| # openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365 -passout pass:"third-wheel" -subj "/C=US/ST=private/L=province/O=city/CN=hostname.example.com" | |
| # see: https://github.com/campbellC/third-wheel | |
| [package] | |
| name = "http-ytproxy" | |
| version = "0.1.0" | |
| edition = "2021" | |
| [dependencies] | |
| third-wheel = "0.6" | |
| argh = "0.1" | |
| [dependencies.tokio] | |
| version = "1" |
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| use argh::FromArgs; | |
| use third_wheel::hyper::{Request, Body}; | |
| use third_wheel::hyper::http::HeaderValue; | |
| use third_wheel::hyper::service::Service; | |
| use third_wheel::*; | |
| /// Run a TLS mitm proxy that modifies Range header to be http_chunk_size bytes. | |
| #[derive(FromArgs)] | |
| struct StartMitm { | |
| /// port to bind proxy to | |
| #[argh(option, short = 'p', default = "8080")] | |
| port: u16, | |
| /// pem file for self-signed certificate authority certificate | |
| #[argh(option, short = 'c', default = "\"cert.pem\".to_string()")] | |
| cert_file: String, | |
| /// pem file for private signing key for the certificate authority | |
| #[argh(option, short = 'k', default = "\"key.pem\".to_string()")] | |
| key_file: String, | |
| /// range header chunk | |
| #[argh(option, short = 'r', default = "10485760")] | |
| http_chunk_size: u64, | |
| } | |
| fn mitm(mut req: Request<Body>, mut third_wheel: ThirdWheel, http_chunk_size:u64) -> <ThirdWheel as Service<Request<Body>>>::Future { | |
| //println!("req: {}", req.uri()); | |
| let hdr = req.headers_mut(); | |
| if let Some(val) = hdr.get("Range") { | |
| let range = val.to_str().unwrap(); | |
| //println!("Range: {}", range); | |
| if range.starts_with("bytes=") { | |
| if let Some((p1, _p2)) = range[6..].split_once('-') { | |
| if let Ok(start) = p1.parse::<u64>() { | |
| let newrange = format!("bytes={}-{}", start, start + http_chunk_size); | |
| //println!("-> {}",newrange); | |
| hdr.insert("Range", HeaderValue::from_str(&newrange).unwrap()); | |
| } | |
| } | |
| } | |
| } | |
| third_wheel.call(req) | |
| } | |
| #[tokio::main] | |
| async fn main() -> Result<(), Error> { | |
| let args: StartMitm = argh::from_env(); | |
| let ca = CertificateAuthority::load_from_pem_files_with_passphrase_on_key( | |
| &args.cert_file, | |
| &args.key_file, | |
| "third-wheel", | |
| )?; | |
| let trivial_mitm = | |
| mitm_layer(move |req, tw| mitm(req,tw, args.http_chunk_size) ); | |
| let mitm_proxy = MitmProxy::builder(trivial_mitm, ca).build(); | |
| let (_, mitm_proxy_fut) = mitm_proxy.bind(format!("127.0.0.1:{}", args.port).parse().unwrap()); | |
| mitm_proxy_fut.await.unwrap(); | |
| Ok(()) | |
| } |
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| local function init() | |
| local url = mp.get_property("stream-open-filename") | |
| -- check for youtube link | |
| if url:find("^https:") == nil or url:find("youtu") == nil then | |
| return | |
| end | |
| local proxy = mp.get_property("http-proxy") | |
| if proxy and proxy ~= "" and proxy ~= "http://127.0.0.1:12081" then | |
| return | |
| end | |
| -- launch mitm proxy | |
| local args = { | |
| mp.get_script_directory() .. "/http-ytproxy", | |
| "-c", mp.get_script_directory() .. "/cert.pem", | |
| "-k", mp.get_script_directory() .. "/key.pem", | |
| "-r", "10485760", -- range modification | |
| "-p", "12081" -- proxy port | |
| } | |
| mp.command_native_async({ | |
| name = "subprocess", | |
| capture_stdout = false, | |
| playback_only = false, | |
| args = args, | |
| }); | |
| mp.set_property("http-proxy", "http://127.0.0.1:12081") | |
| mp.set_property("tls-verify", "no") | |
| -- this is not really needed | |
| --mp.set_property("tls-verify", "yes") | |
| --mp.set_property("tls-ca-file", mp.get_script_directory() .. "/cert.pem") | |
| end | |
| mp.register_event("start-file", init) |
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