iridium/redsunlib
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Redirect and proxy redditstatic gifs in-body (fix #14)

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Matthew Esposito 2024-01-03 09:36:19 -05:00
parent 3dee29f3ef
commit 89ba46e15d
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1 changed files with 20 additions and 4 deletions
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24
src/utils.rs
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@ -871,18 +871,23 @@ pub fn format_url(url: &str) -> String {
}
}
// These are links we want to replace in-body
static REDDIT_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r#"href="(https|http|)://(www\.|old\.|np\.|amp\.|new\.|)(reddit\.com|redd\.it)/"#).unwrap());
static REDDIT_PREVIEW_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"https?://(external-preview|preview)\.redd\.it(.*)[^?]").unwrap());
static REDDIT_EMOJI_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"https?://(www|).redditstatic\.com/(.*)").unwrap());
// Rewrite Reddit links to Redlib in body of text
pub fn rewrite_urls(input_text: &str) -> String {
let text1 =
// Rewrite Reddit links to Redlib
REDDIT_REGEX.replace_all(input_text, r#"href="/"#)
.to_string()
// Remove (html-encoded) "\" from URLs.
.replace("%5C", "")
.replace("\\_", "_");
.to_string();
let text1 = REDDIT_EMOJI_REGEX
.replace_all(&text1, format_url(REDDIT_EMOJI_REGEX.find(&text1).map(|x| x.as_str()).unwrap_or_default()))
.to_string()
// Remove (html-encoded) "\" from URLs.
.replace("%5C", "")
.replace("\\_", "_");
// Rewrite external media previews to Redlib
if REDDIT_PREVIEW_REGEX.is_match(&text1) {
@ -1100,6 +1105,10 @@ mod tests {
"/hls/foo/HLSPlaylist.m3u8?a=bar&v=1&f=sd"
);
assert_eq!(format_url("https://www.redditstatic.com/gold/awards/icon/icon.png"), "/static/gold/awards/icon/icon.png");
assert_eq!(
format_url("https://www.redditstatic.com/marketplace-assets/v1/core/emotes/snoomoji_emotes/free_emotes_pack/shrug.gif"),
"/static/marketplace-assets/v1/core/emotes/snoomoji_emotes/free_emotes_pack/shrug.gif"
);
assert_eq!(format_url(""), "");
assert_eq!(format_url("self"), "");
@ -1109,6 +1118,13 @@ mod tests {
}
}
#[test]
fn test_rewriting_emoji() {
let input = r#"<div class="md"><p>How can you have such hard feelings towards a license? <img src="https://www.redditstatic.com/marketplace-assets/v1/core/emotes/snoomoji_emotes/free_emotes_pack/shrug.gif" width="20" height="20" style="vertical-align:middle"> Let people use what license they want, and BSD is one of the least restrictive ones AFAIK.</p>"#;
let output = r#"<div class="md"><p>How can you have such hard feelings towards a license? <img src="/static/marketplace-assets/v1/core/emotes/snoomoji_emotes/free_emotes_pack/shrug.gif" width="20" height="20" style="vertical-align:middle"> Let people use what license they want, and BSD is one of the least restrictive ones AFAIK.</p>"#;
assert_eq!(rewrite_urls(input), output);
}
#[tokio::test(flavor = "multi_thread")]
async fn test_fetching_subreddit_quarantined() {
let subreddit = Post::fetch("/r/drugs", true).await;