Update crates and fix bugs

The bug fixes are for:
- <base> elements with "/" as the href
- articles containing an ampersand in the title which would create
  corrupted manifest files.

Cargo.toml

@@ -12,13 +12,13 @@ readme = "README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-async-std = "1.5.0"
+async-std = "1.7.0"
-epub-builder = "0.4.5"
+epub-builder = "0.4.8"
 html5ever = "0.25.1"
 kuchiki = "0.8.1"
-lazy_static = "1.3.9"
+lazy_static = "1.4.0"
 md5 = "0.7.0"
-regex = "1.3.9"
+regex = "1.4.2"
 surf = "2.1.0"
 structopt = { version = "0.3" }
-url = "2.1.1"
+url = "2.2.0"

src/main.rs

@@ -66,9 +66,10 @@ fn download(urls: Vec<String>) {
                     .replace_all(html_buf, "$tag/>");
                 let mut epub = EpubBuilder::new(ZipLibrary::new().unwrap()).unwrap();
                 if let Some(author) = extractor.metadata().byline() {
-                    epub.metadata("author", author).unwrap();
+                    epub.metadata("author", author.replace("&", "&amp;"))
+                        .unwrap();
                 }
-                epub.metadata("title", extractor.metadata().title())
+                epub.metadata("title", extractor.metadata().title().replace("&", "&amp;"))
                     .unwrap();
                 epub.add_content(EpubContent::new("code.xhtml", html_buf.as_bytes()))
                     .unwrap();

src/moz_readability/mod.rs

@@ -653,7 +653,12 @@ impl Readability {
                 })
                 .map(|node_ref| {
                     let node_attrs = node_ref.attributes.borrow();
-                    Url::parse(node_attrs.get("href").unwrap()).unwrap()
+                    let href = node_attrs.get("href").unwrap();
+                    if href.trim() == "/" {
+                        document_uri.join("/").unwrap()
+                    } else {
+                        Url::parse(href).unwrap()
+                    }
                 })
                 .next()
                 .unwrap_or(document_uri.clone());