0340541002 2025-04-24 1: use crate::{
0340541002 2025-04-24 2: command,
0340541002 2025-04-24 3: sql::Db,
0340541002 2025-04-24 4: };
1c444d34ff 2024-08-28 5:
9171c791eb 2021-11-13 6: use std::{
c1e27b74ed 2021-11-13 7: borrow::Cow,
9171c791eb 2021-11-13 8: collections::{
9171c791eb 2021-11-13 9: BTreeMap,
9171c791eb 2021-11-13 10: HashSet,
9171c791eb 2021-11-13 11: },
1c444d34ff 2024-08-28 12: num::TryFromIntError,
1c444d34ff 2024-08-28 13: sync::{
1c444d34ff 2024-08-28 14: Arc,
1c444d34ff 2024-08-28 15: Mutex
1c444d34ff 2024-08-28 16: },
1c444d34ff 2024-08-28 17: };
1c444d34ff 2024-08-28 18:
e624ef9d66 2025-04-20 19: use anyhow::{
1bd041d00f 2025-05-20 20: anyhow,
e624ef9d66 2025-04-20 21: bail,
e624ef9d66 2025-04-20 22: Result,
e624ef9d66 2025-04-20 23: };
e624ef9d66 2025-04-20 24: use async_std::task;
e624ef9d66 2025-04-20 25: use chrono::DateTime;
e624ef9d66 2025-04-20 26: use frankenstein::{
1bd041d00f 2025-05-20 27: AsyncTelegramApi,
1bd041d00f 2025-05-20 28: Error as FrankError,
1bd041d00f 2025-05-20 29: ParseMode,
e624ef9d66 2025-04-20 30: client_reqwest::Bot,
e624ef9d66 2025-04-20 31: methods::{
e624ef9d66 2025-04-20 32: GetUpdatesParams,
e624ef9d66 2025-04-20 33: SendMessageParams
e624ef9d66 2025-04-20 34: },
e624ef9d66 2025-04-20 35: types::{
e624ef9d66 2025-04-20 36: AllowedUpdate,
e624ef9d66 2025-04-20 37: MessageEntityType,
e624ef9d66 2025-04-20 38: User,
e624ef9d66 2025-04-20 39: },
e624ef9d66 2025-04-20 40: updates::UpdateContent,
e624ef9d66 2025-04-20 41: };
e624ef9d66 2025-04-20 42: use thiserror::Error;
e624ef9d66 2025-04-20 43:
1c444d34ff 2024-08-28 44: #[derive(Error, Debug)]
1c444d34ff 2024-08-28 45: pub enum RssError {
a2880e5100 2025-04-19 46: // #[error(transparent)]
a2880e5100 2025-04-19 47: // Tg(#[from] TgError),
1c444d34ff 2024-08-28 48: #[error(transparent)]
1c444d34ff 2024-08-28 49: Int(#[from] TryFromIntError),
79c91a5357 2024-08-02 50: }
9171c791eb 2021-11-13 51:
9171c791eb 2021-11-13 52: #[derive(Clone)]
9171c791eb 2021-11-13 53: pub struct Core {
e624ef9d66 2025-04-20 54: owner_chat: i64,
1bd041d00f 2025-05-20 55: max_delay: u16,
a2880e5100 2025-04-19 56: pub tg: Bot,
e624ef9d66 2025-04-20 57: pub me: User,
0340541002 2025-04-24 58: pub db: Db,
9171c791eb 2021-11-13 59: sources: Arc<Mutex<HashSet<Arc<i32>>>>,
45e34762e4 2023-05-28 60: http_client: reqwest::Client,
9171c791eb 2021-11-13 61: }
9171c791eb 2021-11-13 62:
9171c791eb 2021-11-13 63: impl Core {
0340541002 2025-04-24 64: pub async fn new(settings: config::Config) -> Result<Core> {
e624ef9d66 2025-04-20 65: let owner_chat = settings.get_int("owner")?;
28da2e2a00 2022-03-12 66: let api_key = settings.get_string("api_key")?;
e624ef9d66 2025-04-20 67: let tg = Bot::new(&api_key);
45e34762e4 2023-05-28 68:
45e34762e4 2023-05-28 69: let mut client = reqwest::Client::builder();
9d8a6738fd 2023-07-30 70: if let Ok(proxy) = settings.get_string("proxy") {
45e34762e4 2023-05-28 71: let proxy = reqwest::Proxy::all(proxy)?;
45e34762e4 2023-05-28 72: client = client.proxy(proxy);
45e34762e4 2023-05-28 73: }
45e34762e4 2023-05-28 74: let http_client = client.build()?;
e624ef9d66 2025-04-20 75: let me = tg.get_me().await?;
e624ef9d66 2025-04-20 76: let me = me.result;
0340541002 2025-04-24 77: let core = Core {
f988dfd28f 2022-02-13 78: tg,
e624ef9d66 2025-04-20 79: me,
e624ef9d66 2025-04-20 80: owner_chat,
0340541002 2025-04-24 81: db: Db::new(&settings.get_string("pg")?)?,
9171c791eb 2021-11-13 82: sources: Arc::new(Mutex::new(HashSet::new())),
45e34762e4 2023-05-28 83: http_client,
1bd041d00f 2025-05-20 84: max_delay: 60,
0340541002 2025-04-24 85: };
0340541002 2025-04-24 86: let mut clone = core.clone();
cb86e770f9 2022-03-15 87: task::spawn(async move {
26339860ce 2022-02-13 88: loop {
26339860ce 2022-02-13 89: let delay = match &clone.autofetch().await {
26339860ce 2022-02-13 90: Err(err) => {
e624ef9d66 2025-04-20 91: if let Err(err) = clone.send(format!("š {err:?}"), None, None).await {
e624ef9d66 2025-04-20 92: eprintln!("Autofetch error: {err:?}");
26339860ce 2022-02-13 93: };
cb86e770f9 2022-03-15 94: std::time::Duration::from_secs(60)
26339860ce 2022-02-13 95: },
26339860ce 2022-02-13 96: Ok(time) => *time,
9171c791eb 2021-11-13 97: };
cb86e770f9 2022-03-15 98: task::sleep(delay).await;
9171c791eb 2021-11-13 99: }
e624ef9d66 2025-04-20 100: });
e624ef9d66 2025-04-20 101: Ok(core)
e624ef9d66 2025-04-20 102: }
e624ef9d66 2025-04-20 103:
0340541002 2025-04-24 104: pub async fn stream(&mut self) -> Result<()> {
e624ef9d66 2025-04-20 105: let mut offset: i64 = 0;
e624ef9d66 2025-04-20 106: let mut params = GetUpdatesParams {
e624ef9d66 2025-04-20 107: offset: None,
e624ef9d66 2025-04-20 108: limit: Some(100),
e624ef9d66 2025-04-20 109: timeout: Some(300),
e624ef9d66 2025-04-20 110: allowed_updates: Some(vec![AllowedUpdate::Message]),
e624ef9d66 2025-04-20 111: };
e624ef9d66 2025-04-20 112: loop {
e624ef9d66 2025-04-20 113: let updates = self.tg.get_updates(¶ms).await?.result;
e624ef9d66 2025-04-20 114: if updates.is_empty() {
e624ef9d66 2025-04-20 115: offset = 0;
e624ef9d66 2025-04-20 116: params.offset = None;
e624ef9d66 2025-04-20 117: continue;
e624ef9d66 2025-04-20 118: }
e624ef9d66 2025-04-20 119: for update in updates {
e624ef9d66 2025-04-20 120: if i64::from(update.update_id) >= offset {
e624ef9d66 2025-04-20 121: offset = i64::from(update.update_id) + 1;
e624ef9d66 2025-04-20 122: params.offset = Some(offset);
e624ef9d66 2025-04-20 123: }
e624ef9d66 2025-04-20 124: if let UpdateContent::Message(msg) = update.content {
e624ef9d66 2025-04-20 125: if let Some(text) = msg.text {
e624ef9d66 2025-04-20 126: if let Some(entities) = msg.entities {
e624ef9d66 2025-04-20 127: let chars: Vec<u16> = text.encode_utf16().collect();
e624ef9d66 2025-04-20 128: for entity in entities {
e624ef9d66 2025-04-20 129: if entity.type_field == MessageEntityType::BotCommand && entity.offset != 0 {
e624ef9d66 2025-04-20 130: bail!("commands should be at message start");
e624ef9d66 2025-04-20 131: };
e624ef9d66 2025-04-20 132: let cmd = String::from_utf16_lossy(&chars[entity.offset as usize..entity.length as usize]);
e624ef9d66 2025-04-20 133: let words: Vec<&str> = text.split_whitespace().collect();
1bd041d00f 2025-05-20 134: let res = match cmd.as_ref() {
1bd041d00f 2025-05-20 135: "/check" | "/clean" | "/enable" | "/delete" | "/disable" => command::command(self, msg.chat.id, words).await,
1bd041d00f 2025-05-20 136: "/start" => command::start(self, msg.chat.id).await,
1bd041d00f 2025-05-20 137: "/list" => command::list(self, msg.chat.id).await,
1bd041d00f 2025-05-20 138: "/add" | "/update" => command::update(self, msg.chat.id, words).await,
1bd041d00f 2025-05-20 139: any => Err(anyhow!("Unknown command: {any}")),
e624ef9d66 2025-04-20 140: };
1bd041d00f 2025-05-20 141: if let Err(err) = res {
1bd041d00f 2025-05-20 142: if let Err(err2) = self.send(format!("\\#error\n```\n{err:?}\n```"),
1bd041d00f 2025-05-20 143: Some(msg.chat.id),
1bd041d00f 2025-05-20 144: Some(ParseMode::MarkdownV2)
1bd041d00f 2025-05-20 145: ).await{
1bd041d00f 2025-05-20 146: dbg!(err2);
1bd041d00f 2025-05-20 147: };
1bd041d00f 2025-05-20 148: }
e624ef9d66 2025-04-20 149: };
e624ef9d66 2025-04-20 150: };
e624ef9d66 2025-04-20 151: };
e624ef9d66 2025-04-20 152: };
e624ef9d66 2025-04-20 153: }
e624ef9d66 2025-04-20 154: }
e624ef9d66 2025-04-20 155: }
e624ef9d66 2025-04-20 156:
e624ef9d66 2025-04-20 157: pub async fn send <S>(&self, msg: S, target: Option<i64>, mode: Option<ParseMode>) -> Result<()>
e624ef9d66 2025-04-20 158: where S: Into<String> {
e624ef9d66 2025-04-20 159: let msg = msg.into();
e624ef9d66 2025-04-20 160:
e624ef9d66 2025-04-20 161: let mode = mode.unwrap_or(ParseMode::Html);
e624ef9d66 2025-04-20 162: let target = target.unwrap_or(self.owner_chat);
e624ef9d66 2025-04-20 163: let send = SendMessageParams::builder()
e624ef9d66 2025-04-20 164: .chat_id(target)
e624ef9d66 2025-04-20 165: .text(msg)
e624ef9d66 2025-04-20 166: .parse_mode(mode)
e624ef9d66 2025-04-20 167: .build();
1bd041d00f 2025-05-20 168: loop {
1bd041d00f 2025-05-20 169: match self.tg.send_message(&send).await {
1bd041d00f 2025-05-20 170: Ok(_) => break,
1bd041d00f 2025-05-20 171: Err(err) => match err {
1bd041d00f 2025-05-20 172: FrankError::Api(ref resp) => {
1bd041d00f 2025-05-20 173: if resp.error_code == 429 {
1bd041d00f 2025-05-20 174: let mut my_delay = self.max_delay;
1bd041d00f 2025-05-20 175: if let Some(params) = resp.parameters {
1bd041d00f 2025-05-20 176: if let Some(delay) = params.retry_after {
1bd041d00f 2025-05-20 177: if delay < my_delay {
1bd041d00f 2025-05-20 178: my_delay = delay;
1bd041d00f 2025-05-20 179: }
1bd041d00f 2025-05-20 180: }
1bd041d00f 2025-05-20 181: }
1bd041d00f 2025-05-20 182: task::sleep(std::time::Duration::from_secs(my_delay.into())).await;
1bd041d00f 2025-05-20 183: } else {
1bd041d00f 2025-05-20 184: return Err(err.into());
1bd041d00f 2025-05-20 185: }
1bd041d00f 2025-05-20 186: },
1bd041d00f 2025-05-20 187: _ => return Err(err.into()),
1bd041d00f 2025-05-20 188: },
1bd041d00f 2025-05-20 189: }
1bd041d00f 2025-05-20 190: }
e624ef9d66 2025-04-20 191: Ok(())
e624ef9d66 2025-04-20 192: }
e624ef9d66 2025-04-20 193:
0340541002 2025-04-24 194: pub async fn check (&mut self, id: &i32, owner: i64, real: bool) -> Result<String> {
e624ef9d66 2025-04-20 195: let mut posted: i32 = 0;
0340541002 2025-04-24 196: let mut conn = self.db.begin().await?;
285ce2bc31 2024-09-17 197:
9171c791eb 2021-11-13 198: let id = {
9171c791eb 2021-11-13 199: let mut set = self.sources.lock().unwrap();
9171c791eb 2021-11-13 200: match set.get(id) {
9171c791eb 2021-11-13 201: Some(id) => id.clone(),
9171c791eb 2021-11-13 202: None => {
9171c791eb 2021-11-13 203: let id = Arc::new(*id);
9171c791eb 2021-11-13 204: set.insert(id.clone());
9171c791eb 2021-11-13 205: id.clone()
9171c791eb 2021-11-13 206: },
9171c791eb 2021-11-13 207: }
9171c791eb 2021-11-13 208: };
9171c791eb 2021-11-13 209: let count = Arc::strong_count(&id);
9171c791eb 2021-11-13 210: if count == 2 {
0340541002 2025-04-24 211: let source = conn.get_source(*id, owner).await?;
61899b5618 2025-04-26 212: conn.set_scrape(*id).await?;
9171c791eb 2021-11-13 213: let destination = match real {
e624ef9d66 2025-04-20 214: true => source.channel_id,
e624ef9d66 2025-04-20 215: false => source.owner,
9171c791eb 2021-11-13 216: };
9171c791eb 2021-11-13 217: let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
9171c791eb 2021-11-13 218: let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, String> = BTreeMap::new();
45e34762e4 2023-05-28 219:
9910c2209c 2023-08-04 220: let response = self.http_client.get(&source.url).send().await?;
613a665847 2021-11-15 221: let status = response.status();
613a665847 2021-11-15 222: let content = response.bytes().await?;
9171c791eb 2021-11-13 223: match rss::Channel::read_from(&content[..]) {
9171c791eb 2021-11-13 224: Ok(feed) => {
9171c791eb 2021-11-13 225: for item in feed.items() {
f988dfd28f 2022-02-13 226: if let Some(link) = item.link() {
f988dfd28f 2022-02-13 227: let date = match item.pub_date() {
f988dfd28f 2022-02-13 228: Some(feed_date) => DateTime::parse_from_rfc2822(feed_date),
f988dfd28f 2022-02-13 229: None => DateTime::parse_from_rfc3339(&item.dublin_core_ext().unwrap().dates()[0]),
f988dfd28f 2022-02-13 230: }?;
f988dfd28f 2022-02-13 231: let url = link;
26339860ce 2022-02-13 232: posts.insert(date, url.to_string());
9171c791eb 2021-11-13 233: }
9171c791eb 2021-11-13 234: };
9171c791eb 2021-11-13 235: },
9171c791eb 2021-11-13 236: Err(err) => match err {
9171c791eb 2021-11-13 237: rss::Error::InvalidStartTag => {
2c36f015d8 2024-11-23 238: match atom_syndication::Feed::read_from(&content[..]) {
2c36f015d8 2024-11-23 239: Ok(feed) => {
2c36f015d8 2024-11-23 240: for item in feed.entries() {
2c36f015d8 2024-11-23 241: let date = item.published().unwrap();
2c36f015d8 2024-11-23 242: let url = item.links()[0].href();
2c36f015d8 2024-11-23 243: posts.insert(*date, url.to_string());
2c36f015d8 2024-11-23 244: };
2c36f015d8 2024-11-23 245: },
2c36f015d8 2024-11-23 246: Err(err) => {
e624ef9d66 2025-04-20 247: bail!("Unsupported or mangled content:\n{:?}\n{err:#?}\n{status:#?}\n", &source.url)
2c36f015d8 2024-11-23 248: },
2c36f015d8 2024-11-23 249: }
9171c791eb 2021-11-13 250: },
9171c791eb 2021-11-13 251: rss::Error::Eof => (),
e624ef9d66 2025-04-20 252: _ => bail!("Unsupported or mangled content:\n{:?}\n{err:#?}\n{status:#?}\n", &source.url)
9171c791eb 2021-11-13 253: }
9171c791eb 2021-11-13 254: };
9171c791eb 2021-11-13 255: for (date, url) in posts.iter() {
9910c2209c 2023-08-04 256: let post_url: Cow<str> = match source.url_re {
3dc9cddd4d 2023-08-04 257: Some(ref x) => sedregex::ReplaceCommand::new(x)?.execute(url),
659724c658 2021-12-08 258: None => url.into(),
659724c658 2021-12-08 259: };
0340541002 2025-04-24 260: if let Some(exists) = conn.exists(&post_url, *id).await? {
9910c2209c 2023-08-04 261: if ! exists {
9910c2209c 2023-08-04 262: if this_fetch.is_none() || *date > this_fetch.unwrap() {
9910c2209c 2023-08-04 263: this_fetch = Some(*date);
9910c2209c 2023-08-04 264: };
e624ef9d66 2025-04-20 265: self.send( match &source.iv_hash {
e624ef9d66 2025-04-20 266: Some(hash) => format!("<a href=\"https://t.me/iv?url={post_url}&rhash={hash}\"> </a>{post_url}"),
e624ef9d66 2025-04-20 267: None => format!("{post_url}"),
e624ef9d66 2025-04-20 268: }, Some(destination), Some(ParseMode::Html)).await?;
0340541002 2025-04-24 269: conn.add_post(*id, date, &post_url).await?;
659724c658 2021-12-08 270: };
9171c791eb 2021-11-13 271: };
9171c791eb 2021-11-13 272: posted += 1;
9171c791eb 2021-11-13 273: };
9171c791eb 2021-11-13 274: posts.clear();
9171c791eb 2021-11-13 275: };
0340541002 2025-04-24 276: Ok(format!("Posted: {posted}"))
0340541002 2025-04-24 277: }
0340541002 2025-04-24 278:
0340541002 2025-04-24 279: async fn autofetch(&mut self) -> Result<std::time::Duration> {
0340541002 2025-04-24 280: let mut delay = chrono::Duration::minutes(1);
0340541002 2025-04-24 281: let now = chrono::Local::now();
0340541002 2025-04-24 282: let mut conn = self.db.begin().await?;
0340541002 2025-04-24 283: for row in conn.get_queue().await? {
9910c2209c 2023-08-04 284: if let Some(next_fetch) = row.next_fetch {
9910c2209c 2023-08-04 285: if next_fetch < now {
9910c2209c 2023-08-04 286: if let (Some(owner), Some(source_id)) = (row.owner, row.source_id) {
0340541002 2025-04-24 287: let mut clone = Core {
e624ef9d66 2025-04-20 288: owner_chat: owner,
9910c2209c 2023-08-04 289: ..self.clone()
9910c2209c 2023-08-04 290: };
9910c2209c 2023-08-04 291: task::spawn(async move {
9910c2209c 2023-08-04 292: if let Err(err) = clone.check(&source_id, owner, true).await {
e624ef9d66 2025-04-20 293: if let Err(err) = clone.send(&format!("š {err:?}"), None, None).await {
e624ef9d66 2025-04-20 294: eprintln!("Check error: {err:?}");
79c91a5357 2024-08-02 295: // clone.disable(&source_id, owner).await.unwrap();
9910c2209c 2023-08-04 296: };
9910c2209c 2023-08-04 297: };
9910c2209c 2023-08-04 298: });
9910c2209c 2023-08-04 299: }
9910c2209c 2023-08-04 300: } else if next_fetch - now < delay {
9910c2209c 2023-08-04 301: delay = next_fetch - now;
9910c2209c 2023-08-04 302: }
9910c2209c 2023-08-04 303: }
9910c2209c 2023-08-04 304: };
26339860ce 2022-02-13 305: Ok(delay.to_std()?)
26339860ce 2022-02-13 306: }
26339860ce 2022-02-13 307:
0340541002 2025-04-24 308: pub async fn list (&mut self, owner: i64) -> Result<String> {
26339860ce 2022-02-13 309: let mut reply: Vec<Cow<str>> = vec![];
26339860ce 2022-02-13 310: reply.push("Channels:".into());
0340541002 2025-04-24 311: let mut conn = self.db.begin().await?;
0340541002 2025-04-24 312: for row in conn.get_list(owner).await? {
79c91a5357 2024-08-02 313: reply.push(format!("\n\\#ļøā£ {} \\*ļøā£ `{}` {}\nš `{}`", row.source_id, row.channel,
9910c2209c 2023-08-04 314: match row.enabled {
26339860ce 2022-02-13 315: true => "š enabled",
26339860ce 2022-02-13 316: false => "ā disabled",
9910c2209c 2023-08-04 317: }, row.url).into());
9910c2209c 2023-08-04 318: if let Some(hash) = &row.iv_hash {
e624ef9d66 2025-04-20 319: reply.push(format!("IV: `{hash}`").into());
26339860ce 2022-02-13 320: }
9910c2209c 2023-08-04 321: if let Some(re) = &row.url_re {
e624ef9d66 2025-04-20 322: reply.push(format!("RE: `{re}`").into());
a7f91033c0 2021-11-13 323: }
a7f91033c0 2021-11-13 324: };
a7f91033c0 2021-11-13 325: Ok(reply.join("\n"))
e624ef9d66 2025-04-20 326: }
9171c791eb 2021-11-13 327: }