Work

- Move User-Agent to reqwest client initialization
- Improve desktop path detection
- Run pipelines in parallel

Cargo.lock

@@ -842,6 +842,7 @@ name = "school-computer-toolkit"
 version = "0.1.0"
 dependencies = [
  "dirs",
+ "futures-util",
  "miette",
  "ramhorns",
  "reqwest",

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 dirs = "4"
+futures-util = { version = "0.3.21", default-features = false, features = [ "alloc" ] }
 miette = { version = "4.7", features = [ "fancy" ] }
 ramhorns = "0.14"
 reqwest = { version = "0.11.10", features = [ "json" ] }

src/install.rs

@@ -6,9 +6,6 @@ use tokio::io::AsyncWriteExt;
 
 use crate::Context;
 
-const USER_AGENT_STR: &'static str =
-    "Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0";
-
 /// A sequential pipeline of [`Step`]s.
 #[derive(Debug, Clone)]
 pub struct Pipeline<'a> {
@@ -114,7 +111,6 @@ impl<'a> Step<'a> {
                     let mut resp = ctx
                         .reqwest
                         .get(url)
-                        .header("User-Agent", USER_AGENT_STR)
                         .send()
                         .await
                         .into_diagnostic()
@@ -344,7 +340,6 @@ async fn fetch_latest_release<'a, 'b>(
     .wrap_err("Invalid GitHub repo for download step.")?;
     let mut resp = reqwest
         .get(url)
-        .header("User-Agent", USER_AGENT_STR)
         .send()
         .await
         .into_diagnostic()

src/main.rs

@@ -14,20 +14,26 @@ use install::{Pipeline, RemoteResource, ShortcutTarget, Step};
 
 const SWTOOLS_PATH: &'static str = "C:\\SWTools";
 
+const USER_AGENT_STR: &'static str =
+    "Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0";
+
 pub fn swtools_path() -> &'static Path {
     Path::new(SWTOOLS_PATH)
 }
 
-pub fn desktop_path() -> PathBuf {
-    let mut dir = dirs::home_dir()
-        .expect("Could not find your home directory.")
-        .join("Desktop");
-    if !dir.exists() {
-        dir = Path::new("H:\\Profile\\Desktop").to_owned();
-    }
-    dir
+pub fn desktop_path_fallible() -> Option<PathBuf> {
+    dirs::desktop_dir()
+        .filter(|dir| dir.exists())
+        .or_else(|| Some(Path::new("H:\\Profile\\Desktop").to_owned()))
+        .filter(|dir| dir.exists())
+        .or_else(|| dirs::home_dir().map(|dir| dir.join("Desktop")))
 }
 
+pub fn desktop_path() -> PathBuf {
+    desktop_path_fallible().expect("Desktop directory should have been resolved by now.")
+}
+
+#[derive(Clone)]
 pub struct Context {
     pub reqwest: reqwest::Client,
 }
@@ -44,7 +50,7 @@ async fn main() -> Result<()> {
         bail!("Could not find or access {}", SWTOOLS_PATH);
     }
 
-    if !desktop_path().exists() {
+    if desktop_path_fallible().is_none() {
         bail!("Could not find your desktop directory.");
     }
 
@@ -59,20 +65,20 @@ async fn main() -> Result<()> {
     let psiphon_dir = swtools_path().join("psiphon");
     let psiphon_bin = psiphon_dir.join("psiphon3.exe");
 
-    let utilities = [
+    let pipelines = [
         Pipeline::new(
             "Install Notepad++",
             vec![
                 Step::DownloadFile {
-                    file: nppp_zip.as_path().into(),
+                    file: nppp_zip.clone().into(),
                     res: RemoteResource::GitHubArtifact {
                         repo: "notepad-plus-plus/notepad-plus-plus",
                         pattern: "npp.{{tag_name_strip_prefix}}.portable.x64.zip",
                     },
                 },
                 Step::ExtractFile {
-                    file: nppp_zip.as_path().into(),
-                    dest: nppp_dir.as_path().into(),
+                    file: nppp_zip.clone().into(),
+                    dest: nppp_dir.clone().into(),
                 },
                 Step::CreateShortcut {
                     target: ShortcutTarget::Executable {
@@ -88,14 +94,14 @@ async fn main() -> Result<()> {
             "Install Explorer++",
             vec![
                 Step::DownloadFile {
-                    file: epp_zip.as_path().into(),
+                    file: epp_zip.clone().into(),
                     res: RemoteResource::Url(
                         "https://explorerplusplus.com/software/explorer++_1.3.5_x64.zip",
                     ),
                 },
                 Step::ExtractFile {
-                    file: epp_zip.as_path().into(),
-                    dest: epp_dir.as_path().into(),
+                    file: epp_zip.clone().into(),
+                    dest: epp_dir.clone().into(),
                 },
                 Step::CreateShortcut {
                     target: ShortcutTarget::Executable {
@@ -111,14 +117,14 @@ async fn main() -> Result<()> {
             "Install Psiphon VPN",
             vec![
                 Step::DownloadFile {
-                    file: psiphon_bin.as_path().into(),
+                    file: psiphon_bin.clone().into(),
                     res: RemoteResource::Url(
                         "https://s3.amazonaws.com/f58p-mqce-k1yj/psiphon3.exe",
                     ),
                 },
                 Step::CreateShortcut {
                     target: ShortcutTarget::Executable {
-                        file: psiphon_bin.as_path().into(),
+                        file: psiphon_bin.clone().into(),
                         args: "",
                     },
                     file: desktop_path().join("Psiphon3.lnk").into(),
@@ -166,14 +172,42 @@ async fn main() -> Result<()> {
 
     let ctx = Context {
         reqwest: reqwest::Client::builder()
+            .user_agent(USER_AGENT_STR)
             .build()
             .into_diagnostic()
             .wrap_err("Could not initialize HTTP client.")?,
     };
 
-    for utility in utilities {
-        utility.invoke(&ctx).await?;
+    let results = futures_util::future::join_all(
+        pipelines
+            .into_iter()
+            .map(|pipeline| tokio::spawn({
+                let ctx = ctx.clone();
+                async move {
+                    pipeline.invoke(&ctx).await
+                }
+            })),
+    )
+    .await;
+    let results = results
+        .into_iter()
+        .map(|result| match result.into_diagnostic().wrap_err("Task error.") {
+            Ok(Ok(t)) => Ok(t),
+            Ok(Err(e)) => Err(e),
+            Err(e) => Err(e),
+        });
+
+    let mut had_error = false;
+    for result in results {
+        if let Err(e) = result {
+            had_error = true;
+            eprintln!("{e:?}");
+        }
     }
 
-    Ok(())
+    if had_error {
+        Err(miette!("One or more errors in pipelines."))
+    } else {
+        Ok(())
+    }
 }