Feature/hw filtering (#2368)

* update deno

* add proxy

* remove query params, now auto added by BE

* add hardware requirements and BE reg query params

* update query params for BE requests

* allow multiple arches in hw reqs

* explain git hash mismatch

* require lshw

---------

Co-authored-by: Matt Hill <mattnine@protonmail.com>

backend/src/util/lshw.rs

@@ -0,0 +1,49 @@
+use models::{Error, ResultExt};
+use serde::{Deserialize, Serialize};
+use tokio::process::Command;
+
+use crate::util::Invoke;
+
+const KNOWN_CLASSES: &[&str] = &["processor", "display"];
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(tag = "class")]
+#[serde(rename_all = "kebab-case")]
+pub enum LshwDevice {
+    Processor(LshwProcessor),
+    Display(LshwDisplay),
+}
+impl LshwDevice {
+    pub fn class(&self) -> &'static str {
+        match self {
+            Self::Processor(_) => "processor",
+            Self::Display(_) => "display",
+        }
+    }
+    pub fn product(&self) -> &str {
+        match self {
+            Self::Processor(hw) => hw.product.as_str(),
+            Self::Display(hw) => hw.product.as_str(),
+        }
+    }
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct LshwProcessor {
+    pub product: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct LshwDisplay {
+    pub product: String,
+}
+
+pub async fn lshw() -> Result<Vec<LshwDevice>, Error> {
+    let mut cmd = Command::new("lshw");
+    cmd.arg("-json");
+    for class in KNOWN_CLASSES {
+        cmd.arg("-class").arg(*class);
+    }
+    serde_json::from_slice(&cmd.invoke(crate::ErrorKind::Lshw).await?)
+        .with_kind(crate::ErrorKind::Deserialization)
+}