mirror of
https://github.com/ivabus/urouter
synced 2024-11-10 02:25:22 +03:00
0.5.0: Advanced agent matching
Signed-off-by: Ivan Bushchik <ivabus@ivabus.dev>
This commit is contained in:
parent
b7c96c8b4e
commit
e84e1a3317
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@ -1,6 +1,6 @@
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[package]
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name = "urouter"
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version = "0.4.0"
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version = "0.5.0"
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edition = "2021"
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license = "MIT"
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repository = "https://github.com/ivabus/urouter"
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@ -14,3 +14,4 @@ serde_json = "1.0.108"
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url-escape = "0.1.1"
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smurf = "0.3.0"
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clap = { version = "4.4.11", features = ["derive"] }
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regex = "1.10.2"
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27
README.md
27
README.md
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@ -16,28 +16,31 @@ Edit `alias.json` (or any other JSON file, check `--alias-file` option) and `car
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```json
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[
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{
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"uri": "uri",
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"uri":"/",
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"alias": {
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"file": "somefile"
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"url": "https://somecoolwebsite"
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}
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},
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{
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"uri": "uri2",
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"uri":"/",
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"alias": {
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"url": "http://example.com"
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}
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},
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{
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"uri": "/",
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"alias": {
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"url": "https://somecoolscript.sh"
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"file": "somecoolscript"
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},
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"curl_only": true
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"agent": {
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"regex": "^curl/[0-9].[0-9].[0-9]$",
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"only_matching": false
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}
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},
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{
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"uri":"/text",
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"alias": {
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"text": "sometext"
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}
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}
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]
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```
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`"curl_only"` thing for `curl https://url | sh` like scripts.
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Agent matching made for `curl https://url | sh` like scripts.
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## License
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@ -1,9 +0,0 @@
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[default]
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address = "127.0.0.1"
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port = 8080
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keep_alive = 0
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ident = "urouter"
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ip_header = false
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log_level = "normal"
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temp_dir = "/tmp"
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cli_colors = true
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120
src/main.rs
120
src/main.rs
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@ -22,93 +22,26 @@
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* DEALINGS IN THE SOFTWARE.
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*/
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mod structs;
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use structs::*;
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#[macro_use]
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extern crate rocket;
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use rocket::http::Status;
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use std::cell::OnceCell;
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use std::ffi::OsStr;
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use std::net::IpAddr;
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use std::cell::{OnceCell, RefCell};
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use std::collections::HashMap;
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use std::path::PathBuf;
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use rocket::request::{FromRequest, Outcome};
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use rocket::response::content::RawText;
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use rocket::response::{Redirect, Responder};
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use rocket::Request;
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use serde::Deserialize;
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use rocket::response::Redirect;
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use clap::Parser;
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use regex::Regex;
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use rocket::figment::Figment;
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static mut ALIAS: OnceCell<Vec<Alias>> = OnceCell::new();
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#[derive(Parser, Debug)]
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#[command(about, author)]
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struct Args {
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#[arg(long, default_value = "./alias.json")]
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alias_file: PathBuf,
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/// For internal usage
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#[arg(long, default_value = "false")]
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alias_file_is_set_not_a_list: bool,
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/// Dir to lookup file alias
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#[arg(long, default_value = ".")]
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dir: PathBuf,
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#[arg(short, long, default_value = "127.0.0.1")]
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address: IpAddr,
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#[arg(short, long, default_value = "8080")]
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port: u16,
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}
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// For better compatability with Nix (with set on the top of alias.json instead of a list)
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#[derive(Deserialize, Clone, Debug)]
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struct NixJson {
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alias: Vec<Alias>,
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}
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#[derive(Deserialize, Clone, Debug)]
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struct Alias {
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uri: String,
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alias: AliasType,
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curl_only: Option<bool>,
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}
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#[derive(Deserialize, Clone, Debug)]
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enum AliasType {
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#[serde(alias = "url")]
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Url(String),
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#[serde(alias = "file")]
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File(String),
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#[serde(alias = "text")]
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Text(String),
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}
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#[derive(Responder)]
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enum Response {
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Text(RawText<String>),
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Redirect(Redirect),
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Status(Status),
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}
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struct UserAgent(String);
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#[derive(Debug)]
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enum UserAgentError {}
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#[rocket::async_trait]
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impl<'r> FromRequest<'r> for UserAgent {
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type Error = UserAgentError;
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async fn from_request(req: &'r Request<'_>) -> Outcome<Self, Self::Error> {
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match req.headers().get_one("user-agent") {
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Some(key) => Outcome::Success(UserAgent(key.to_string())),
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_ => Outcome::Success(UserAgent("".to_string())),
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}
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}
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}
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static mut COMPILED_REGEXES: RefCell<Option<HashMap<String, Regex>>> = RefCell::new(None);
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fn get_return(alias: &Alias) -> Response {
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let args = Args::parse();
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@ -129,20 +62,40 @@ fn get_page(page: String, user_agent: UserAgent) -> Response {
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url_escape::decode_to_string(page, &mut decoded_page);
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let alias = unsafe { ALIAS.get().unwrap() };
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let mut pages = Vec::new();
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let curl_check = user_agent.0.contains("curl");
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for i in alias {
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if i.uri == decoded_page {
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if (i.curl_only == Some(true)) == curl_check.clone() {
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return get_return(i);
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};
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match &i.agent {
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Some(agent) => unsafe {
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let re = if let Some(regexes) = COMPILED_REGEXES.get_mut() {
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match regexes.get(&agent.regex) {
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Some(re) => re.clone(),
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None => {
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let re = Regex::new(&agent.regex).unwrap();
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regexes.insert(agent.regex.clone(), re.clone());
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re.clone()
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}
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}
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} else {
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// guaranteed to be initialized at the beginning
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unreachable!()
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};
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if re.is_match(&user_agent.0) {
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return get_return(&i);
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}
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if let Some(true) = agent.only_matching {
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continue;
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}
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},
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_ => {}
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}
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pages.push(i);
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}
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}
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// Returning normal page (if found) to curl users.
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for i in pages {
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if i.curl_only != Some(true) {
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return get_return(i);
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}
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if pages.len() != 0 {
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return get_return(pages[0]);
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}
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Response::Status(Status::NotFound)
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}
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@ -164,6 +117,7 @@ async fn main() -> Result<(), rocket::Error> {
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};
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unsafe {
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ALIAS.set(alias).unwrap();
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*COMPILED_REGEXES.get_mut() = Some(HashMap::new());
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}
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let figment = Figment::from(rocket::Config::default())
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83
src/structs.rs
Normal file
83
src/structs.rs
Normal file
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@ -0,0 +1,83 @@
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use clap::Parser;
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use rocket::http::Status;
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use rocket::request::{FromRequest, Outcome};
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use rocket::response::content::RawText;
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use rocket::response::Redirect;
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use rocket::Request;
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use serde::Deserialize;
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use std::net::IpAddr;
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use std::path::PathBuf;
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#[derive(Parser, Debug)]
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#[command(about, author)]
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pub struct Args {
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#[arg(long, default_value = "./alias.json")]
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pub alias_file: PathBuf,
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/// For internal usage
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#[arg(long, default_value = "false")]
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pub alias_file_is_set_not_a_list: bool,
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/// Dir to lookup file alias
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#[arg(long, default_value = ".")]
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pub dir: PathBuf,
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#[arg(short, long, default_value = "127.0.0.1")]
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pub address: IpAddr,
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#[arg(short, long, default_value = "8080")]
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pub port: u16,
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}
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// For better compatability with Nix (with set on the top of alias.json instead of a list)
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#[derive(Deserialize, Clone, Debug)]
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pub struct NixJson {
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pub alias: Vec<Alias>,
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}
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#[derive(Deserialize, Clone, Debug)]
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pub struct Alias {
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pub uri: String,
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pub alias: AliasType,
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pub agent: Option<Agent>,
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}
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#[derive(Deserialize, Clone, Debug)]
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pub enum AliasType {
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#[serde(alias = "url")]
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Url(String),
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#[serde(alias = "file")]
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File(String),
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#[serde(alias = "text")]
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Text(String),
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}
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#[derive(Deserialize, Clone, Debug)]
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pub struct Agent {
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pub regex: String,
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pub only_matching: Option<bool>,
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}
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#[derive(Responder)]
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pub enum Response {
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Text(RawText<String>),
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Redirect(Redirect),
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Status(Status),
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}
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pub struct UserAgent(pub String);
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#[derive(Debug)]
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pub enum UserAgentError {}
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#[rocket::async_trait]
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impl<'r> FromRequest<'r> for UserAgent {
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type Error = UserAgentError;
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async fn from_request(req: &'r Request<'_>) -> Outcome<Self, Self::Error> {
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match req.headers().get_one("user-agent") {
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Some(key) => Outcome::Success(UserAgent(key.to_string())),
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_ => Outcome::Success(UserAgent("".to_string())),
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}
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}
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}
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