77 lines
2.3 KiB
OCaml
77 lines
2.3 KiB
OCaml
open Lwt.Syntax
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open Cohttp_lwt
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open Cohttp_lwt_unix
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open Utils
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let rec download uri dest =
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let* response, body = Client.get uri in
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let status = Response.status response in
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let code = Cohttp.Code.code_of_status status in
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if Cohttp.Code.is_redirection code
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then (
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let headers = Response.headers response in
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match Cohttp.Header.get headers "location" with
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| Some url ->
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let uri = Uri.of_string url in
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let redirect_url = Uri.resolve "" uri uri in
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download redirect_url dest
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| None -> raise (Any "Redirect location not found"))
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else if Cohttp.Code.is_success code
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then (
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print_endline "Downloading...";
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let stream = Body.to_stream body in
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let res =
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Lwt_io.with_file ~mode:Lwt_io.output dest (fun chan ->
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Lwt_stream.iter_s (Lwt_io.write chan) stream)
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in
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let* () = res in
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print_endline "Download done!";
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Lwt.return_unit)
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else
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raise
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(Any ("Failed to download file. HTTP status: " ^ Cohttp.Code.string_of_status status))
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;;
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let download_gecko_driver version output =
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let url =
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format_of_string
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"https://github.com/mozilla/geckodriver/releases/download/v%s/geckodriver-v%s-linux64.tar.gz"
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in
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download (Uri.of_string (fmt url version version)) output
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;;
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type driver = Gecko of string
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let prepare = function
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| Gecko version_driver ->
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let driver = fmt "geckodriver-%s" version_driver in
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if not (Sys.file_exists driver)
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then (
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let archive = fmt "./gecko-%s.tar.gz" version_driver in
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Lwt_main.run (download_gecko_driver version_driver archive);
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(* TODO: Use native version instead of relying on Unix tools *)
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ignore (Sys.command (fmt "tar xvzf %s" archive));
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ignore (Sys.command (fmt "mv geckodriver %s" driver));
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ignore (Sys.command (fmt "rm %s" archive)));
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driver
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;;
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let run_process path args =
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let command = fmt "./%s" path in
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(* TODO: Log into a log/ folder
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* + create file based on time of run *)
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let output_file = fmt "%s-output.txt" path in
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let out_channel = open_out output_file in
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let output_fd = Unix.descr_of_out_channel out_channel in
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let pid =
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Unix.create_process command (Array.of_list args) output_fd output_fd output_fd
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in
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Unix.sleep 1;
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out_channel, pid
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;;
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let stop_process data =
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let out_channel, pid = data in
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close_out out_channel;
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Unix.kill pid Sys.sigterm
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;;
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