Link shortener in Rust.
https://s.42l.fr/
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76 lines
2.7 KiB
76 lines
2.7 KiB
use actix_web::HttpRequest;
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use chrono::Duration;
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use chrono::{NaiveDateTime, Utc};
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use regex::Regex;
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use url::Url;
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use crate::init::ValidLanguages;
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use crate::templates::get_ip;
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use crate::templates::TplNotification;
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#[derive(Serialize, Deserialize)]
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pub struct NewLink {
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pub url_from: String,
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pub url_to: String,
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pub captcha: String,
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}
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impl NewLink {
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// ---------------------------------------------------------------
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// url_from is the custom text set for the link.
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// A valid url_from value must contain a maximum of 50 characters.
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// It MUST NOT contain reserved characters or dot '.' character.
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// ---------------------------------------------------------------
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// url_to is the link being shortened.
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// A valid url_to must contain a maximum of 4096 characters.
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// It must be parsed successfully by the url crate.
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// ---------------------------------------------------------------
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// captcha contains the captcha result.
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// A valid captcha must be CAPTCHA_LETTERS characters long.
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// It must match with the captcha answer in cookies.
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// All comparisons are lowercase.
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// ---------------------------------------------------------------
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pub fn validate(
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&self,
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l: &ValidLanguages,
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req: &HttpRequest,
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captcha_key: (NaiveDateTime, String),
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) -> Result<(), TplNotification> {
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lazy_static! {
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static ref RE_URL_FROM: Regex = Regex::new(r"^[^,*';?:@=&.<>#%/\\\[\]\{\}|^~ ]{0,80}$")
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.expect("Failed to read NewLink url_from sanitize regular expression");
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}
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if self.url_from.len() > 50 || !RE_URL_FROM.is_match(&self.url_from) {
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Err(TplNotification::new(
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"home",
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"error_invalid_url_from",
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false,
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l,
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))
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} else if self.url_to.len() > 4096 || Url::parse(&self.url_to).is_err() {
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Err(TplNotification::new(
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"home",
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"error_invalid_url_to",
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false,
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l,
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))
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} else if captcha_key.0 < (Utc::now().naive_utc() - Duration::minutes(30)) {
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Err(TplNotification::new(
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"home",
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"error_session_expired",
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false,
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l,
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))
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} else if self.captcha.to_lowercase() != captcha_key.1.to_lowercase() {
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println!(
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"INFO: [{}] failed the captcha (input: \"{}\", answer: \"{}\").",
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get_ip(req),
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self.captcha,
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captcha_key.1
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);
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Err(TplNotification::new("home", "error_captcha_fail", false, l))
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} else {
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Ok(())
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}
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}
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}
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