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Pictshare only cache image content types. Fixes #709

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This commit is contained in:
Dessalines 2020-05-11 19:06:12 -04:00
parent cb88510964
commit eb72ace854
1 changed files with 26 additions and 1 deletions
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27
server/src/lib.rs
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@ -73,6 +73,16 @@ pub fn is_email_regex(test: &str) -> bool {
EMAIL_REGEX.is_match(test)
}
pub fn is_image_content_type(test: &str) -> bool {
match isahc::get(test) {
Ok(res) => match res.headers().get("Content-Type") {
Some(header) => header.to_str().unwrap_or("not_an_img").contains("image"),
None => false,
},
Err(_) => false,
}
}
pub fn remove_slurs(test: &str) -> String {
SLUR_REGEX.replace_all(test, "*removed*").to_string()
}
@ -180,6 +190,10 @@ pub struct PictshareResponse {
}
pub fn fetch_pictshare(image_url: &str) -> Result<PictshareResponse, failure::Error> {
if !is_image_content_type(image_url) {
return Err(format_err!("Not an image type."));
}
let fetch_url = format!(
"http://pictshare/api/geturl.php?url={}",
utf8_percent_encode(image_url, NON_ALPHANUMERIC)
@ -255,7 +269,18 @@ pub fn get_ip(conn_info: &ConnectionInfo) -> String {
#[cfg(test)]
mod tests {
use crate::{extract_usernames, is_email_regex, remove_slurs, slur_check, slurs_vec_to_str};
use crate::{
extract_usernames, is_email_regex, is_image_content_type, remove_slurs, slur_check,
slurs_vec_to_str,
};
#[test]
fn test_image() {
assert!(is_image_content_type("https://1734811051.rsc.cdn77.org/data/images/full/365645/as-virus-kills-navajos-in-their-homes-tribal-women-provide-lifeline.jpg?w=600?w=650"));
assert!(!is_image_content_type(
"https://twitter.com/BenjaminNorton/status/1259922424272957440?s=20"
));
}
#[test]
fn test_email() {