#![recursion_limit = "512"]
-#[macro_use]
-extern crate lazy_static;
-extern crate actix;
-extern crate actix_web;
-extern crate base64;
-extern crate bcrypt;
-extern crate captcha;
-extern crate chrono;
-extern crate diesel;
-extern crate dotenv;
-extern crate jsonwebtoken;
-extern crate log;
-extern crate openssl;
-extern crate reqwest;
-extern crate rss;
-extern crate serde;
-extern crate serde_json;
-extern crate sha2;
-extern crate strum;
-pub mod api;
-pub mod apub;
pub mod code_migrations;
-pub mod request;
pub mod routes;
-pub mod version;
-pub mod websocket;
-
-use crate::{
- request::{retry, RecvError},
- websocket::chat_server::ChatServer,
-};
-use actix::Addr;
-use anyhow::anyhow;
-use background_jobs::QueueHandle;
-use lemmy_db::DbPool;
-use lemmy_utils::{apub::get_apub_protocol_string, settings::Settings, LemmyError};
-use log::error;
-use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};
-use reqwest::Client;
-use serde::Deserialize;
-use std::process::Command;
-
-pub struct LemmyContext {
- pub pool: DbPool,
- pub chat_server: Addr<ChatServer>,
- pub client: Client,
- pub activity_queue: QueueHandle,
-}
-
-impl LemmyContext {
- pub fn new(
- pool: DbPool,
- chat_server: Addr<ChatServer>,
- client: Client,
- activity_queue: QueueHandle,
- ) -> LemmyContext {
- LemmyContext {
- pool,
- chat_server,
- client,
- activity_queue,
- }
- }
- pub fn pool(&self) -> &DbPool {
- &self.pool
- }
- pub fn chat_server(&self) -> &Addr<ChatServer> {
- &self.chat_server
- }
- pub fn client(&self) -> &Client {
- &self.client
- }
- pub fn activity_queue(&self) -> &QueueHandle {
- &self.activity_queue
- }
-}
-
-impl Clone for LemmyContext {
- fn clone(&self) -> Self {
- LemmyContext::new(
- self.pool.clone(),
- self.chat_server.clone(),
- self.client.clone(),
- self.activity_queue.clone(),
- )
- }
-}
-
-#[derive(Deserialize, Debug)]
-pub struct IframelyResponse {
- title: Option<String>,
- description: Option<String>,
- thumbnail_url: Option<String>,
- html: Option<String>,
-}
-
-pub async fn fetch_iframely(client: &Client, url: &str) -> Result<IframelyResponse, LemmyError> {
- let fetch_url = format!("http://iframely/oembed?url={}", url);
-
- let response = retry(|| client.get(&fetch_url).send()).await?;
-
- let res: IframelyResponse = response
- .json()
- .await
- .map_err(|e| RecvError(e.to_string()))?;
- Ok(res)
-}
-
-#[derive(Deserialize, Debug, Clone)]
-pub struct PictrsResponse {
- files: Vec<PictrsFile>,
- msg: String,
-}
-
-#[derive(Deserialize, Debug, Clone)]
-pub struct PictrsFile {
- file: String,
- delete_token: String,
-}
-
-pub async fn fetch_pictrs(client: &Client, image_url: &str) -> Result<PictrsResponse, LemmyError> {
- is_image_content_type(client, image_url).await?;
-
- let fetch_url = format!(
- "http://pictrs:8080/image/download?url={}",
- utf8_percent_encode(image_url, NON_ALPHANUMERIC) // TODO this might not be needed
- );
-
- let response = retry(|| client.get(&fetch_url).send()).await?;
-
- let response: PictrsResponse = response
- .json()
- .await
- .map_err(|e| RecvError(e.to_string()))?;
-
- if response.msg == "ok" {
- Ok(response)
- } else {
- Err(anyhow!("{}", &response.msg).into())
- }
-}
-
-async fn fetch_iframely_and_pictrs_data(
- client: &Client,
- url: Option<String>,
-) -> (
- Option<String>,
- Option<String>,
- Option<String>,
- Option<String>,
-) {
- match &url {
- Some(url) => {
- // Fetch iframely data
- let (iframely_title, iframely_description, iframely_thumbnail_url, iframely_html) =
- match fetch_iframely(client, url).await {
- Ok(res) => (res.title, res.description, res.thumbnail_url, res.html),
- Err(e) => {
- error!("iframely err: {}", e);
- (None, None, None, None)
- }
- };
-
- // Fetch pictrs thumbnail
- let pictrs_hash = match iframely_thumbnail_url {
- Some(iframely_thumbnail_url) => match fetch_pictrs(client, &iframely_thumbnail_url).await {
- Ok(res) => Some(res.files[0].file.to_owned()),
- Err(e) => {
- error!("pictrs err: {}", e);
- None
- }
- },
- // Try to generate a small thumbnail if iframely is not supported
- None => match fetch_pictrs(client, &url).await {
- Ok(res) => Some(res.files[0].file.to_owned()),
- Err(e) => {
- error!("pictrs err: {}", e);
- None
- }
- },
- };
-
- // The full urls are necessary for federation
- let pictrs_thumbnail = if let Some(pictrs_hash) = pictrs_hash {
- Some(format!(
- "{}://{}/pictrs/image/{}",
- get_apub_protocol_string(),
- Settings::get().hostname,
- pictrs_hash
- ))
- } else {
- None
- };
-
- (
- iframely_title,
- iframely_description,
- iframely_html,
- pictrs_thumbnail,
- )
- }
- None => (None, None, None, None),
- }
-}
-
-pub async fn is_image_content_type(client: &Client, test: &str) -> Result<(), LemmyError> {
- let response = retry(|| client.get(test).send()).await?;
-
- if response
- .headers()
- .get("Content-Type")
- .ok_or_else(|| anyhow!("No Content-Type header"))?
- .to_str()?
- .starts_with("image/")
- {
- Ok(())
- } else {
- Err(anyhow!("Not an image type.").into())
- }
-}
-
-pub fn captcha_espeak_wav_base64(captcha: &str) -> Result<String, LemmyError> {
- let mut built_text = String::new();
-
- // Building proper speech text for espeak
- for mut c in captcha.chars() {
- let new_str = if c.is_alphabetic() {
- if c.is_lowercase() {
- c.make_ascii_uppercase();
- format!("lower case {} ... ", c)
- } else {
- c.make_ascii_uppercase();
- format!("capital {} ... ", c)
- }
- } else {
- format!("{} ...", c)
- };
-
- built_text.push_str(&new_str);
- }
-
- espeak_wav_base64(&built_text)
-}
-
-pub fn espeak_wav_base64(text: &str) -> Result<String, LemmyError> {
- // Make a temp file path
- let uuid = uuid::Uuid::new_v4().to_string();
- let file_path = format!("/tmp/lemmy_espeak_{}.wav", &uuid);
-
- // Write the wav file
- Command::new("espeak")
- .arg("-w")
- .arg(&file_path)
- .arg(text)
- .status()?;
-
- // Read the wav file bytes
- let bytes = std::fs::read(&file_path)?;
-
- // Delete the file
- std::fs::remove_file(file_path)?;
-
- // Convert to base64
- let base64 = base64::encode(bytes);
-
- Ok(base64)
-}
-
-#[cfg(test)]
-mod tests {
- use crate::{captcha_espeak_wav_base64, is_image_content_type};
-
- #[test]
- fn test_image() {
- actix_rt::System::new("tset_image").block_on(async move {
- let client = reqwest::Client::default();
- assert!(is_image_content_type(&client, "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").await.is_ok());
- assert!(is_image_content_type(&client,
- "https://twitter.com/BenjaminNorton/status/1259922424272957440?s=20"
- )
- .await.is_err()
- );
- });
- }
-
- #[test]
- fn test_espeak() {
- assert!(captcha_espeak_wav_base64("WxRt2l").is_ok())
- }
-
- // These helped with testing
- // #[test]
- // fn test_iframely() {
- // let res = fetch_iframely(client, "https://www.redspark.nu/?p=15341").await;
- // assert!(res.is_ok());
- // }
-
- // #[test]
- // fn test_pictshare() {
- // let res = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpg");
- // assert!(res.is_ok());
- // let res_other = fetch_pictshare("https://upload.wikimedia.org/wikipedia/en/2/27/The_Mandalorian_logo.jpgaoeu");
- // assert!(res_other.is_err());
- // }
-}
projects / lemmy.git / blobdiff