flake.lock

@@ -1,132 +0,0 @@
-{
-  "nodes": {
-    "crane": {
-      "inputs": {
-        "flake-compat": [
-          "flake-compat"
-        ],
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "rust-overlay": [
-          "rust-overlay"
-        ]
-      },
-      "locked": {
-        "lastModified": 1688772518,
-        "narHash": "sha256-ol7gZxwvgLnxNSZwFTDJJ49xVY5teaSvF7lzlo3YQfM=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "8b08e96c9af8c6e3a2b69af5a7fa168750fcf88e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1687709756,
-        "narHash": "sha256-Y5wKlQSkgEK2weWdOu4J3riRd+kV/VCgHsqLNTTWQ/0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "dbabf0ca0c0c4bce6ea5eaf65af5cb694d2082c7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1688679045,
-        "narHash": "sha256-t3xGEfYIwhaLTPU8FLtN/pLPytNeDwbLI6a7XFFBlGo=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "3c7487575d9445185249a159046cc02ff364bff8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "crane": "crane",
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "rust-overlay": "rust-overlay"
-      }
-    },
-    "rust-overlay": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1688870171,
-        "narHash": "sha256-8tD8fheWPa7TaJoxzcU3iHkCrQQpOpdMN+HYqgZ1N5A=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "5a932f10ac4bd59047d6e8b5780750ec76ea988a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

flake.nix

@@ -1,86 +0,0 @@
-{
-  description = "Download content from ilias.studium.kit.edu";
-
-  inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-
-    crane = {
-      url = "github:ipetkov/crane";
-      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.flake-utils.follows = "flake-utils";
-      inputs.flake-compat.follows = "flake-compat";
-      inputs.rust-overlay.follows = "rust-overlay";
-    };
-
-    # Import them even though we don't use them. Needed to allow overriding `rust-overlay`
-    # etc. in flakes consuming this flake.
-    # Temporary until https://github.com/NixOS/nix/issues/6986 is solved.
-    rust-overlay = {
-      url = "github:oxalica/rust-overlay";
-      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.flake-utils.follows = "flake-utils";
-    };
-    flake-utils.url = "github:numtide/flake-utils";
-    flake-compat = {
-      url = "github:edolstra/flake-compat";
-      flake = false;
-    };
-  };
-
-  outputs = { self, nixpkgs, crane, ... }: let
-    systems = [ "x86_64-linux" ];
-    inherit (nixpkgs) lib;
-    forEachSystem = lib.genAttrs systems;
-    craneLib = forEachSystem (system: crane.lib.${system});
-
-    toHydraJob = with lib; foldlAttrs
-      (jobset: system: attrs: recursiveUpdate jobset
-        (mapAttrs (const (drv: { ${system} = drv; }))
-          (filterAttrs (name: const (name != "default")) attrs)))
-      { };
-
-    builds = forEachSystem (system: (lib.fix (final: {
-      common = {
-        pname = "KIT-ILIAS-Downloader";
-        src = craneLib.${system}.cleanCargoSource self;
-      };
-      cargoArtifacts = craneLib.${system}.buildDepsOnly (final.common // {
-        doCheck = false;
-      });
-      clippy = craneLib.${system}.cargoClippy (final.common // {
-        inherit (final) cargoArtifacts;
-        cargoClippyExtraArgs = lib.escapeShellArgs [
-          "--all-targets"
-          "--"
-          "-D"
-          "warnings"
-          "-A"
-          "non-snake-case"
-          "-A"
-          "clippy::upper-case-acronyms"
-        ];
-      });
-      format = craneLib.${system}.cargoFmt (final.common // {
-        inherit (final) cargoArtifacts;
-      });
-      kit-ilias-downloader = craneLib.${system}.buildPackage (final.common // {
-        inherit (final) cargoArtifacts;
-        doCheck = false;
-        meta.license = lib.licenses.gpl3Plus;
-        meta.platforms = systems;
-      });
-    })));
-  in {
-    packages = forEachSystem (system: {
-      default = self.packages.${system}.kit-ilias-downloader;
-      inherit (builds.${system}) kit-ilias-downloader;
-    });
-    checks = forEachSystem (system: {
-      inherit (builds.${system}) format clippy;
-    });
-    hydraJobs = {
-      packages = toHydraJob self.packages;
-      checks = toHydraJob self.checks;
-    };
-  };
-}

src/ilias.rs

@@ -5,12 +5,13 @@ use std::{collections::HashMap, error::Error as _, io::Write, sync::Arc};
 use anyhow::{anyhow, Context, Result};
 use cookie_store::CookieStore;
 use once_cell::sync::Lazy;
+use regex::Regex;
 use reqwest::{Client, IntoUrl, Proxy, Url};
 use reqwest_cookie_store::CookieStoreMutex;
 use scraper::{ElementRef, Html, Selector};
 use serde_json::json;
 
-use crate::{cli::Opt, iliasignore::IliasIgnore, queue, util::wrap_html, ILIAS_URL};
+use crate::{cli::Opt, queue, util::wrap_html, ILIAS_URL, iliasignore::IliasIgnore};
 
 pub mod course;
 pub mod exercise;
@@ -45,9 +46,12 @@ pub struct ILIAS {
 fn error_is_http2(error: &reqwest::Error) -> bool {
 	error
 		.source() // hyper::Error
-		.and_then(|x| x.source()) // h2::Error
-		.and_then(|x| x.downcast_ref::<h2::Error>())
-		.and_then(|x| x.reason())
+		.map(|x| x.source()) // h2::Error
+		.flatten()
+		.map(|x| x.downcast_ref::<h2::Error>())
+		.flatten()
+		.map(|x| x.reason())
+		.flatten()
 		.map(|x| x == h2::Reason::NO_ERROR)
 		.unwrap_or(false)
 }
@@ -219,7 +223,7 @@ impl ILIAS {
 		unreachable!()
 	}
 	
-	pub fn is_error_response(html: &Html) -> bool {
+	pub async fn is_error_response(html: &Html) {
 		html.select(&ALERT_DANGER).next().is_some()
 	}
 
@@ -282,13 +286,7 @@ impl ILIAS {
 		} else {
 			None
 		};
-		Ok((
-			ILIAS::get_items(&html),
-			main_text,
-			html.select(&LINKS)
-				.flat_map(|x| x.value().attr("href").map(|x| x.to_owned()))
-				.collect(),
-		))
+		Ok((ILIAS::get_items(&html), main_text, html.select(&LINKS).flat_map(|x| x.value().attr("href").map(|x| x.to_owned())).collect()))
 	}
 
 	pub async fn get_course_content_tree(&self, ref_id: &str, cmd_node: &str) -> Result<Vec<Object>> {
@@ -346,8 +344,8 @@ impl Object {
 			| Presentation { name, .. }
 			| ExerciseHandler { name, .. }
 			| PluginDispatch { name, .. }
-			| Generic { name, .. } => name,
-			Thread { url } => url.thr_pk.as_ref().unwrap(),
+			| Generic { name, .. } => &name,
+			Thread { url } => &url.thr_pk.as_ref().unwrap(),
 			Video { url } => &url.url,
 			Dashboard { url } => &url.url,
 		}
@@ -368,7 +366,7 @@ impl Object {
 			| ExerciseHandler { url, .. }
 			| PluginDispatch { url, .. }
 			| Video { url }
-			| Generic { url, .. } => url,
+			| Generic { url, .. } => &url,
 		}
 	}
 

src/ilias/course.rs

@@ -28,12 +28,12 @@ pub async fn download(path: PathBuf, ilias: Arc<ILIAS>, url: &URL, name: &str) -
 					return Ok(()); // ignore groups we are not in
 				}
 				warning!(name, "falling back to incomplete course content extractor!", e);
-				let (items, main_text, _) = ilias.get_course_content(url).await?;
+				let (items, main_text, _) = ilias.get_course_content(&url).await?;
 				(items, main_text)
 			},
 		}
 	} else {
-		let (items, main_text, _) = ilias.get_course_content(url).await?;
+		let (items, main_text, _) = ilias.get_course_content(&url).await?;
 		(items, main_text)
 	};
 	if ilias.opt.save_ilias_pages {

src/ilias/file.rs

@@ -17,6 +17,6 @@ pub async fn download(path: &Path, relative_path: &Path, ilias: Arc<ILIAS>, url:
 	}
 	let data = ilias.download(&url.url).await?;
 	log!(0, "Writing {}", relative_path.to_string_lossy());
-	write_stream_to_file(path, data.bytes_stream()).await?;
+	write_stream_to_file(&path, data.bytes_stream()).await?;
 	Ok(())
 }

src/ilias/folder.rs

@@ -17,7 +17,7 @@ static EXPAND_LINK: Lazy<Regex> = Lazy::new(|| Regex::new("expand=\\d").unwrap()
 
 #[async_recursion]
 pub async fn download(path: &Path, ilias: Arc<ILIAS>, url: &URL) -> Result<()> {
-	let content = ilias.get_course_content(url).await?;
+	let content = ilias.get_course_content(&url).await?;
 
 	// expand all sessions
 	for href in content.2 {

src/ilias/video.rs

@@ -34,7 +34,7 @@ pub async fn download(path: &Path, relative_path: &Path, ilias: Arc<ILIAS>, url:
 		let json = &json_capture.next().context("xoct player json not found")?[1];
 		log!(2, "{}", json);
 		let json = json.split(",\n").next().context("invalid xoct player json")?;
-		serde_json::from_str(json.trim())?
+		serde_json::from_str(&json.trim())?
 	};
 	log!(2, "{}", json);
 	let streams = json
@@ -49,50 +49,52 @@ pub async fn download(path: &Path, relative_path: &Path, ilias: Arc<ILIAS>, url:
 			.as_str()
 			.context("video src not string")?;
 		download_to_path(&ilias, path, relative_path, url).await?;
-	} else if !ilias.opt.combine_videos {
-		fs::create_dir(path).await.context("failed to create video directory")?;
-		download_all(path, streams, ilias, relative_path).await?;
 	} else {
-		let dir = tempdir()?;
-		// construct ffmpeg command to combine all files
-		let mut arguments = vec![];
-		for file in download_all(dir.path(), streams, ilias, relative_path).await? {
-			arguments.push("-i".to_owned());
-			arguments.push(file.to_str().context("invalid UTF8")?.into());
-		}
-		arguments.push("-c".into());
-		arguments.push("copy".into());
-		for i in 0..(arguments.len() / 2) - 1 {
-			arguments.push("-map".into());
-			arguments.push(format!("{}", i));
-		}
-		arguments.push(path.to_str().context("invalid UTF8 in path")?.into());
-		let status = Command::new("ffmpeg")
-			.args(&arguments)
-			.stderr(Stdio::null())
-			.stdout(Stdio::null())
-			.spawn()
-			.context("failed to start ffmpeg")?
-			.wait()
-			.await
-			.context("failed to wait for ffmpeg")?;
-		if !status.success() {
-			error!(format!("ffmpeg failed to merge video files into {}", path.display()));
-			error!(format!("check this directory: {}", dir.into_path().display()));
-			error!(format!("ffmpeg command: {}", arguments.join(" ")));
-		}
+		if !ilias.opt.combine_videos {
+			fs::create_dir(path).await.context("failed to create video directory")?;
+			download_all(path, streams, ilias, relative_path).await?;
+		} else {
+			let dir = tempdir()?;
+			// construct ffmpeg command to combine all files
+			let mut arguments = vec![];
+			for file in download_all(dir.path(), streams, ilias, relative_path).await? {
+				arguments.push("-i".to_owned());
+				arguments.push(file.to_str().context("invalid UTF8")?.into());
+			}
+			arguments.push("-c".into());
+			arguments.push("copy".into());
+			for i in 0..(arguments.len() / 2) - 1 {
+				arguments.push("-map".into());
+				arguments.push(format!("{}", i));
+			}
+			arguments.push(path.to_str().context("invalid UTF8 in path")?.into());
+			let status = Command::new("ffmpeg")
+				.args(&arguments)
+				.stderr(Stdio::null())
+				.stdout(Stdio::null())
+				.spawn()
+				.context("failed to start ffmpeg")?
+				.wait()
+				.await
+				.context("failed to wait for ffmpeg")?;
+			if !status.success() {
+				error!(format!("ffmpeg failed to merge video files into {}", path.display()));
+				error!(format!("check this directory: {}", dir.into_path().display()));
+				error!(format!("ffmpeg command: {}", arguments.join(" ")));
+			}
+		};
 	}
 	Ok(())
 }
 
 async fn download_all(
 	path: &Path,
-	streams: &[serde_json::Value],
+	streams: &Vec<serde_json::Value>,
 	ilias: Arc<ILIAS>,
 	relative_path: &Path,
 ) -> Result<Vec<PathBuf>> {
 	let mut paths = Vec::new();
-	for (i, stream) in streams.iter().enumerate() {
+	for (i, stream) in streams.into_iter().enumerate() {
 		let url = stream
 			.pointer("/sources/mp4/0/src")
 			.context("video src not found")?
@@ -124,9 +126,9 @@ async fn download_to_path(ilias: &ILIAS, path: &Path, relative_path: &Path, url:
 			}
 		}
 	} else {
-		let resp = ilias.download(url).await?;
+		let resp = ilias.download(&url).await?;
 		log!(0, "Writing {}", relative_path.to_string_lossy());
-		write_stream_to_file(path, resp.bytes_stream()).await?;
+		write_stream_to_file(&path, resp.bytes_stream()).await?;
 	}
 	Ok(())
 }

src/ilias/weblink.rs

@@ -27,7 +27,7 @@ pub async fn download(path: &Path, relative_path: &Path, ilias: Arc<ILIAS>, url:
 	if url.starts_with(ILIAS_URL) {
 		// is a link list
 		if fs::metadata(&path).await.is_err() {
-			create_dir(path).await?;
+			create_dir(&path).await?;
 			log!(0, "Writing {}", relative_path.to_string_lossy());
 		}
 

src/iliasignore.rs

@@ -1,67 +1,66 @@
-use std::{
-	ffi::OsString,
-	path::{Component, Path, PathBuf},
-};
+use std::{path::{Path, PathBuf, Component}, ffi::OsString};
 
 use anyhow::Result;
 use ignore::gitignore::Gitignore;
 
 #[derive(Clone, Debug)]
 pub struct IliasIgnore {
-	ignores: Vec<IgnoreFile>,
+    ignores: Vec<IgnoreFile>
 }
 
 impl IliasIgnore {
-	pub fn load(mut path: PathBuf) -> Result<Self> {
-		let mut ignores = Vec::new();
-		let mut prefix = Vec::new();
-		// example scenario:
-		// path = /KIT/ILIAS/SS 23/Next Generation Internet
-		// iliasignore in ILIAS/.iliasignore: prefix = SS 23/Next Generation Internet/
-		// iliasignore in Next Generation Internet/.iliasignore: prefix = ""
-		loop {
-			let (ignore, error) = Gitignore::new(path.join(".iliasignore"));
-			if let Some(err) = error {
-				warning!(err);
-			}
-			if !ignore.is_empty() {
-				ignores.push(IgnoreFile {
-					ignore,
-					prefix: prefix.iter().fold(OsString::new(), |mut acc, el| {
-						acc.push(el);
-						acc.push("/");
-						acc
-					}),
-				});
-			}
-			if let Some(last) = path.components().last() {
-				match last {
-					Component::Normal(name) => prefix.insert(0, name.to_owned()),
-					_ => break,
-				}
-			}
-			path.pop();
-		}
-		Ok(IliasIgnore { ignores })
-	}
+    pub fn load(mut path: PathBuf) -> Result<Self> {
+        let mut ignores = Vec::new();
+        let mut prefix = Vec::new();
+        // example scenario:
+        // path = /KIT/ILIAS/SS 23/Next Generation Internet
+        // iliasignore in ILIAS/.iliasignore: prefix = SS 23/Next Generation Internet/
+        // iliasignore in Next Generation Internet/.iliasignore: prefix = ""
+        loop {
+            let (ignore, error) = Gitignore::new(path.join(".iliasignore"));
+            if let Some(err) = error {
+                warning!(err);
+            }
+            if ignore.len() > 0 {
+                ignores.push(IgnoreFile {
+                    ignore,
+                    prefix: prefix.iter().fold(OsString::new(), |mut acc, el| {
+                        acc.push(el);
+                        acc.push("/");
+                        acc
+                    })
+                });
+            }
+            if let Some(last) = path.components().last() {
+                match last {
+                    Component::Normal(name) => prefix.insert(0, name.to_owned()),
+                    _ => break
+                }
+            }
+            path.pop();
+        }
+        Ok(IliasIgnore {
+            ignores
+        })
+    }
 
-	pub fn should_ignore(&self, path: &Path, is_dir: bool) -> bool {
-		for ignore_file in &self.ignores {
-			let mut full_path = ignore_file.prefix.clone();
-			full_path.push(path.as_os_str());
-			let matched = ignore_file.ignore.matched(&full_path, is_dir);
-			if matched.is_whitelist() {
-				return false;
-			} else if matched.is_ignore() {
-				return true;
-			}
-		}
-		false
-	}
+    pub fn should_ignore(&self, path: &Path, is_dir: bool) -> bool {
+        for ignore_file in &self.ignores {
+            let mut full_path = ignore_file.prefix.clone();
+            full_path.push(path.as_os_str());
+            let matched = ignore_file.ignore.matched(&full_path, is_dir);
+            if matched.is_whitelist() {
+                return false;
+            } else if matched.is_ignore() {
+                return true;
+            }
+        }
+        false
+    }
 }
 
 #[derive(Clone, Debug)]
 struct IgnoreFile {
-	ignore: Gitignore,
-	prefix: OsString,
+    ignore: Gitignore,
+    prefix: OsString
 }

src/main.rs

@@ -3,6 +3,7 @@
 use anyhow::{anyhow, Context, Result};
 use futures::future::{self, Either};
 use futures::StreamExt;
+use ignore::gitignore::Gitignore;
 use indicatif::{ProgressDrawTarget, ProgressStyle};
 use structopt::StructOpt;
 use tokio::fs;