1 #![recursion_limit = "512"]
3 pub extern crate strum_macros;
5 pub extern crate lazy_static;
7 pub extern crate failure;
9 pub extern crate diesel;
10 pub extern crate actix;
11 pub extern crate actix_web;
12 pub extern crate bcrypt;
13 pub extern crate chrono;
14 pub extern crate comrak;
15 pub extern crate dotenv;
16 pub extern crate jsonwebtoken;
17 pub extern crate lettre;
18 pub extern crate lettre_email;
19 pub extern crate rand;
20 pub extern crate regex;
22 pub extern crate serde;
23 pub extern crate serde_json;
24 pub extern crate sha2;
25 pub extern crate strum;
37 use actix_web::dev::ConnectionInfo;
38 use chrono::{DateTime, NaiveDateTime, Utc};
39 use isahc::prelude::*;
40 use lettre::smtp::authentication::{Credentials, Mechanism};
41 use lettre::smtp::extension::ClientId;
42 use lettre::smtp::ConnectionReuseParameters;
43 use lettre::{ClientSecurity, SmtpClient, Transport};
44 use lettre_email::Email;
46 use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};
47 use rand::distributions::Alphanumeric;
48 use rand::{thread_rng, Rng};
49 use regex::{Regex, RegexBuilder};
50 use serde::Deserialize;
52 use crate::settings::Settings;
54 pub type ConnectionId = usize;
55 pub type PostId = i32;
56 pub type CommunityId = i32;
57 pub type UserId = i32;
58 pub type IPAddr = String;
60 pub fn to_datetime_utc(ndt: NaiveDateTime) -> DateTime<Utc> {
61 DateTime::<Utc>::from_utc(ndt, Utc)
64 pub fn naive_now() -> NaiveDateTime {
65 chrono::prelude::Utc::now().naive_utc()
68 pub fn naive_from_unix(time: i64) -> NaiveDateTime {
69 NaiveDateTime::from_timestamp(time, 0)
72 pub fn is_email_regex(test: &str) -> bool {
73 EMAIL_REGEX.is_match(test)
76 pub fn is_image_content_type(test: &str) -> bool {
77 match isahc::get(test) {
78 Ok(res) => match res.headers().get("Content-Type") {
79 Some(header) => header.to_str().unwrap_or("not_an_img").contains("image"),
86 pub fn remove_slurs(test: &str) -> String {
87 SLUR_REGEX.replace_all(test, "*removed*").to_string()
90 pub fn slur_check(test: &str) -> Result<(), Vec<&str>> {
91 let mut matches: Vec<&str> = SLUR_REGEX.find_iter(test).map(|mat| mat.as_str()).collect();
94 matches.sort_unstable();
97 if matches.is_empty() {
104 pub fn slurs_vec_to_str(slurs: Vec<&str>) -> String {
105 let start = "No slurs - ";
106 let combined = &slurs.join(", ");
107 [start, combined].concat()
110 pub fn extract_usernames(test: &str) -> Vec<&str> {
111 let mut matches: Vec<&str> = USERNAME_MATCHES_REGEX
113 .map(|mat| mat.as_str())
117 matches.sort_unstable();
121 matches.iter().map(|t| &t[3..]).collect()
124 pub fn generate_random_string() -> String {
125 thread_rng().sample_iter(&Alphanumeric).take(30).collect()
133 ) -> Result<(), String> {
134 let email_config = Settings::get().email.ok_or("no_email_setup")?;
136 let email = Email::builder()
137 .to((to_email, to_username))
138 .from(email_config.smtp_from_address.to_owned())
144 let mailer = if email_config.use_tls {
145 SmtpClient::new_simple(&email_config.smtp_server).unwrap()
147 SmtpClient::new(&email_config.smtp_server, ClientSecurity::None).unwrap()
149 .hello_name(ClientId::Domain(Settings::get().hostname))
151 .authentication_mechanism(Mechanism::Plain)
152 .connection_reuse(ConnectionReuseParameters::ReuseUnlimited);
153 let mailer = if let (Some(login), Some(password)) =
154 (&email_config.smtp_login, &email_config.smtp_password)
156 mailer.credentials(Credentials::new(login.to_owned(), password.to_owned()))
161 let mut transport = mailer.transport();
162 let result = transport.send(email.into());
167 Err(e) => Err(e.to_string()),
171 #[derive(Deserialize, Debug)]
172 pub struct IframelyResponse {
173 title: Option<String>,
174 description: Option<String>,
175 thumbnail_url: Option<String>,
176 html: Option<String>,
179 pub fn fetch_iframely(url: &str) -> Result<IframelyResponse, failure::Error> {
180 let fetch_url = format!("http://iframely/oembed?url={}", url);
181 let text = isahc::get(&fetch_url)?.text()?;
182 let res: IframelyResponse = serde_json::from_str(&text)?;
186 #[derive(Deserialize, Debug)]
187 pub struct PictshareResponse {
192 pub fn fetch_pictshare(image_url: &str) -> Result<PictshareResponse, failure::Error> {
193 if !is_image_content_type(image_url) {
194 return Err(format_err!("Not an image type."));
197 let fetch_url = format!(
198 "http://pictshare/api/geturl.php?url={}",
199 utf8_percent_encode(image_url, NON_ALPHANUMERIC)
201 let text = isahc::get(&fetch_url)?.text()?;
202 let res: PictshareResponse = serde_json::from_str(&text)?;
206 fn fetch_iframely_and_pictshare_data(
216 // Fetch iframely data
217 let (iframely_title, iframely_description, iframely_thumbnail_url, iframely_html) =
218 match fetch_iframely(url) {
219 Ok(res) => (res.title, res.description, res.thumbnail_url, res.html),
221 error!("iframely err: {}", e);
222 (None, None, None, None)
226 // Fetch pictshare thumbnail
227 let pictshare_thumbnail = match iframely_thumbnail_url {
228 Some(iframely_thumbnail_url) => match fetch_pictshare(&iframely_thumbnail_url) {
229 Ok(res) => Some(res.url),
231 error!("pictshare err: {}", e);
235 // Try to generate a small thumbnail if iframely is not supported
236 None => match fetch_pictshare(&url) {
237 Ok(res) => Some(res.url),
239 error!("pictshare err: {}", e);
247 iframely_description,
252 None => (None, None, None, None),
256 pub fn markdown_to_html(text: &str) -> String {
257 comrak::markdown_to_html(text, &comrak::ComrakOptions::default())
260 pub fn get_ip(conn_info: &ConnectionInfo) -> String {
263 .unwrap_or("127.0.0.1:12345")
266 .unwrap_or("127.0.0.1")
273 extract_usernames, is_email_regex, is_image_content_type, remove_slurs, slur_check,
279 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"));
280 assert!(!is_image_content_type(
281 "https://twitter.com/BenjaminNorton/status/1259922424272957440?s=20"
287 assert!(is_email_regex("gush@gmail.com"));
288 assert!(!is_email_regex("nada_neutho"));
292 fn test_slur_filter() {
294 "coons test dindu ladyboy tranny retardeds. Capitalized Niggerz. This is a bunch of other safe text.";
295 let slur_free = "No slurs here";
298 "*removed* test *removed* *removed* *removed* *removed*. Capitalized *removed*. This is a bunch of other safe text."
302 let has_slurs_vec = vec![
310 let has_slurs_err_str = "No slurs - Niggerz, coons, dindu, ladyboy, retardeds, tranny";
312 assert_eq!(slur_check(test), Err(has_slurs_vec));
313 assert_eq!(slur_check(slur_free), Ok(()));
314 if let Err(slur_vec) = slur_check(test) {
315 assert_eq!(&slurs_vec_to_str(slur_vec), has_slurs_err_str);
320 fn test_extract_usernames() {
321 let usernames = extract_usernames("this is a user mention for [/u/testme](/u/testme) and thats all. Oh [/u/another](/u/another) user. And the first again [/u/testme](/u/testme) okay");
322 let expected = vec!["another", "testme"];
323 assert_eq!(usernames, expected);
326 // These helped with testing
328 // fn test_iframely() {
329 // let res = fetch_iframely("https://www.redspark.nu/?p=15341");
330 // assert!(res.is_ok());
334 // fn test_pictshare() {
335 // let res = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpg");
336 // assert!(res.is_ok());
337 // let res_other = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpgaoeu");
338 // assert!(res_other.is_err());
342 // fn test_send_email() {
343 // let result = send_email("not a subject", "test_email@gmail.com", "ur user", "<h1>HI there</h1>");
344 // assert!(result.is_ok());
349 static ref EMAIL_REGEX: Regex = Regex::new(r"^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$").unwrap();
350 static ref SLUR_REGEX: Regex = RegexBuilder::new(r"(fag(g|got|tard)?|maricos?|cock\s?sucker(s|ing)?|nig(\b|g?(a|er)?(s|z)?)\b|dindu(s?)|mudslime?s?|kikes?|mongoloids?|towel\s*heads?|\bspi(c|k)s?\b|\bchinks?|niglets?|beaners?|\bnips?\b|\bcoons?\b|jungle\s*bunn(y|ies?)|jigg?aboo?s?|\bpakis?\b|rag\s*heads?|gooks?|cunts?|bitch(es|ing|y)?|puss(y|ies?)|twats?|feminazis?|whor(es?|ing)|\bslut(s|t?y)?|\btrann?(y|ies?)|ladyboy(s?)|\b(b|re|r)tard(ed)?s?)").case_insensitive(true).build().unwrap();
351 static ref USERNAME_MATCHES_REGEX: Regex = Regex::new(r"/u/[a-zA-Z][0-9a-zA-Z_]*").unwrap();