monolith/tests/html/walk_and_embed_assets.rs
2021-10-16 21:16:37 -10:00

518 lines
17 KiB
Rust

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// ██║ ██║ ██║███████║███████║██║██║ ╚████║╚██████╔╝
// ╚═╝ ╚═╝ ╚═╝╚══════╝╚══════╝╚═╝╚═╝ ╚═══╝ ╚═════╝
#[cfg(test)]
mod passing {
use html5ever::serialize::{serialize, SerializeOpts};
use reqwest::blocking::Client;
use std::collections::HashMap;
use url::Url;
use monolith::html;
use monolith::opts::Options;
use monolith::url::EMPTY_IMAGE_DATA_URL;
#[test]
fn basic() {
let cache = &mut HashMap::new();
let html: &str = "<div><P></P></div>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let mut options = Options::default();
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"<html><head></head><body><div><p></p></div></body></html>"
);
}
#[test]
fn ensure_no_recursive_iframe() {
let html = "<div><P></P><iframe src=\"\"></iframe></div>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"<html><head></head><body><div><p></p><iframe src=\"\"></iframe></div></body></html>"
);
}
#[test]
fn ensure_no_recursive_frame() {
let html = "<frameset><frame src=\"\"></frameset>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"<html><head></head><frameset><frame src=\"\"></frameset></html>"
);
}
#[test]
fn no_css() {
let html = "\
<link rel=\"stylesheet\" href=\"main.css\">\
<link rel=\"alternate stylesheet\" href=\"main.css\">\
<style>html{background-color: #000;}</style>\
<div style=\"display: none;\"></div>\
";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_css = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
<link rel=\"stylesheet\">\
<link rel=\"alternate stylesheet\">\
<style></style>\
</head>\
<body>\
<div></div>\
</body>\
</html>\
"
);
}
#[test]
fn no_images() {
let html = "<link rel=\"icon\" href=\"favicon.ico\">\
<div><img src=\"http://localhost/assets/mono_lisa.png\" /></div>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_images = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
format!(
"<html>\
<head>\
<link rel=\"icon\">\
</head>\
<body>\
<div>\
<img src=\"{empty_image}\">\
</div>\
</body>\
</html>",
empty_image = EMPTY_IMAGE_DATA_URL
)
);
}
#[test]
fn no_body_background_images() {
let html =
"<body background=\"no/such/image.png\" background=\"no/such/image2.png\"></body>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_images = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"<html><head></head><body></body></html>"
);
}
#[test]
fn no_frames() {
let html = "<frameset><frame src=\"http://trackbook.com\"></frameset>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_frames = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
</head>\
<frameset>\
<frame src=\"\">\
</frameset>\
</html>\
"
);
}
#[test]
fn no_iframes() {
let html = "<iframe src=\"http://trackbook.com\"></iframe>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_frames = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head></head>\
<body>\
<iframe src=\"\"></iframe>\
</body>\
</html>\
"
);
}
#[test]
fn no_js() {
let html = "\
<div onClick=\"void(0)\">\
<script src=\"http://localhost/assets/some.js\"></script>\
<script>alert(1)</script>\
</div>\
";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_js = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head></head>\
<body>\
<div>\
<script></script>\
<script></script>\
</div>\
</body>\
</html>\
"
);
}
#[test]
fn keeps_integrity_for_unfamiliar_links() {
let html = "<title>Has integrity</title>\
<link integrity=\"sha384-12345\" rel=\"something\" href=\"https://some-site.com/some-file.ext\" />";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
<title>Has integrity</title>\
<link integrity=\"sha384-12345\" rel=\"something\" href=\"https://some-site.com/some-file.ext\">\
</head>\
<body></body>\
</html>\
"
);
}
#[test]
fn discards_integrity_for_known_links_nojs_nocss() {
let html = "\
<title>No integrity</title>\
<link integrity=\"\" rel=\"stylesheet\" href=\"data:;\"/>\
<script integrity=\"\" src=\"some.js\"></script>\
";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_css = true;
options.no_js = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
<title>No integrity</title>\
<link rel=\"stylesheet\">\
<script></script>\
</head>\
<body></body>\
</html>\
"
);
}
#[test]
fn discards_integrity_for_embedded_assets() {
let html = "\
<title>No integrity</title>\
<link integrity=\"sha384-123\" rel=\"something\" href=\"data:;\"/>\
<script integrity=\"sha384-456\" src=\"some.js\"></script>\
";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_css = true;
options.no_js = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
<title>No integrity</title>\
<link integrity=\"sha384-123\" rel=\"something\" href=\"data:;\">\
<script></script>\
</head>\
<body>\
</body>\
</html>\
"
);
}
#[test]
fn removes_unwanted_meta_tags() {
let html = "\
<html>\
<head>\
<meta http-equiv=\"Refresh\" content=\"2\"/>\
<meta http-equiv=\"Location\" content=\"https://freebsd.org\"/>\
</head>\
<body>\
</body>\
</html>\
";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_css = true;
options.no_frames = true;
options.no_js = true;
options.no_images = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
<meta content=\"2\">\
<meta content=\"https://freebsd.org\">\
</head>\
<body>\
</body>\
</html>"
);
}
#[test]
fn processes_noscript_tags() {
let html = "\
<html>\
<body>\
<noscript>\
<img src=\"image.png\" />\
</noscript>\
</body>\
</html>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.no_images = true;
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
format!(
"\
<html>\
<head>\
</head>\
<body>\
<noscript>\
<img src=\"{}\">\
</noscript>\
</body>\
</html>",
EMPTY_IMAGE_DATA_URL,
)
);
}
#[test]
fn preserves_script_type_json() {
let html = "<script id=\"data\" type=\"application/json\">{\"mono\":\"lith\"}</script>";
let dom = html::html_to_dom(&html.as_bytes().to_vec(), "".to_string());
let url: Url = Url::parse("http://localhost").unwrap();
let cache = &mut HashMap::new();
let mut options = Options::default();
options.silent = true;
let client = Client::new();
html::walk_and_embed_assets(cache, &client, &url, &dom.document, &options, 0);
let mut buf: Vec<u8> = Vec::new();
serialize(&mut buf, &dom.document, SerializeOpts::default()).unwrap();
assert_eq!(
buf.iter().map(|&c| c as char).collect::<String>(),
"\
<html>\
<head>\
<script id=\"data\" type=\"application/json\">{\"mono\":\"lith\"}</script>\
</head>\
<body>\
</body>\
</html>"
);
}
}