6ac5737a72 2020-11-18 1: use std::collections::BTreeMap;
6ac5737a72 2020-11-18 2:
61df933942 2020-11-18 3: use config;
61df933942 2020-11-18 4:
61df933942 2020-11-18 5: use tokio;
423cadd9c7 2020-11-27 6:
61df933942 2020-11-18 7: use rss;
423cadd9c7 2020-11-27 8:
61df933942 2020-11-18 9: use chrono::DateTime;
61df933942 2020-11-18 10:
61df933942 2020-11-18 11: use regex::Regex;
61df933942 2020-11-18 12:
61df933942 2020-11-18 13: use telegram_bot::*;
423cadd9c7 2020-11-27 14: use tokio::stream::StreamExt;
61df933942 2020-11-18 15:
61df933942 2020-11-18 16: use sqlx::postgres::PgPoolOptions;
61df933942 2020-11-18 17: use sqlx::Row;
423cadd9c7 2020-11-27 18: use sqlx::Done; // .rows_affected()
4acdad1942 2020-11-26 19:
4acdad1942 2020-11-26 20: #[macro_use]
4acdad1942 2020-11-26 21: extern crate lazy_static;
61df933942 2020-11-18 22:
f322efafd9 2020-11-30 23: use anyhow::{anyhow, bail, Context, Result};
61df933942 2020-11-18 24:
0191d490fe 2020-11-18 25: #[derive(Clone)]
61df933942 2020-11-18 26: struct Core {
61df933942 2020-11-18 27: owner: i64,
0191d490fe 2020-11-18 28: api_key: String,
61df933942 2020-11-18 29: owner_chat: UserId,
61df933942 2020-11-18 30: tg: telegram_bot::Api,
61df933942 2020-11-18 31: my: User,
61df933942 2020-11-18 32: pool: sqlx::Pool<sqlx::Postgres>,
61df933942 2020-11-18 33: }
61df933942 2020-11-18 34:
61df933942 2020-11-18 35: impl Core {
61df933942 2020-11-18 36: async fn new(settings: config::Config) -> Result<Core> {
61df933942 2020-11-18 37: let owner = settings.get_int("owner")?;
0191d490fe 2020-11-18 38: let api_key = settings.get_str("api_key")?;
0191d490fe 2020-11-18 39: let tg = Api::new(&api_key);
0191d490fe 2020-11-18 40: let core = Core {
0191d490fe 2020-11-18 41: owner: owner,
0191d490fe 2020-11-18 42: api_key: api_key.clone(),
0191d490fe 2020-11-18 43: my: tg.send(telegram_bot::GetMe).await?,
0191d490fe 2020-11-18 44: tg: tg,
0191d490fe 2020-11-18 45: owner_chat: UserId::new(owner),
3d3fde1b28 2020-11-25 46: pool: PgPoolOptions::new()
3d3fde1b28 2020-11-25 47: .max_connections(5)
3d3fde1b28 2020-11-25 48: .connect_timeout(std::time::Duration::new(300, 0))
3d3fde1b28 2020-11-25 49: .idle_timeout(std::time::Duration::new(60, 0))
3d3fde1b28 2020-11-25 50: .connect_lazy(&settings.get_str("pg")?)?,
0191d490fe 2020-11-18 51: };
0191d490fe 2020-11-18 52: let clone = core.clone();
0191d490fe 2020-11-18 53: tokio::spawn(async move {
423cadd9c7 2020-11-27 54: if let Err(err) = &clone.autofetch().await {
f322efafd9 2020-11-30 55: if let Err(err) = clone.debug(&format!("š {:?}", err)) {
423cadd9c7 2020-11-27 56: eprintln!("Autofetch error: {}", err);
423cadd9c7 2020-11-27 57: };
0191d490fe 2020-11-18 58: }
0191d490fe 2020-11-18 59: });
0191d490fe 2020-11-18 60: Ok(core)
61df933942 2020-11-18 61: }
61df933942 2020-11-18 62:
61df933942 2020-11-18 63: fn stream(&self) -> telegram_bot::UpdatesStream {
61df933942 2020-11-18 64: self.tg.stream()
61df933942 2020-11-18 65: }
61df933942 2020-11-18 66:
61df933942 2020-11-18 67: fn debug(&self, msg: &str) -> Result<()> {
61df933942 2020-11-18 68: self.tg.spawn(SendMessage::new(self.owner_chat, msg));
61df933942 2020-11-18 69: Ok(())
61df933942 2020-11-18 70: }
61df933942 2020-11-18 71:
ebe7c281a5 2020-11-27 72: async fn check<S>(&self, id: &i32, owner: S, real: bool) -> Result<()>
ebe7c281a5 2020-11-27 73: where S: Into<i64> {
ebe7c281a5 2020-11-27 74: let owner: i64 = owner.into();
423cadd9c7 2020-11-27 75: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 76: .with_context(|| format!("Query queue fetch conn:\n{:?}", &self.pool))?;
ebe7c281a5 2020-11-27 77: let row = sqlx::query("select source_id, channel_id, url, iv_hash, owner from rsstg_source where source_id = $1 and owner = $2")
423cadd9c7 2020-11-27 78: .bind(id)
ebe7c281a5 2020-11-27 79: .bind(owner)
423cadd9c7 2020-11-27 80: .fetch_one(&mut conn).await
f322efafd9 2020-11-30 81: .with_context(|| format!("Query source:\n{:?}", &self.pool))?;
423cadd9c7 2020-11-27 82: drop(conn);
423cadd9c7 2020-11-27 83: let channel_id: i64 = row.try_get("channel_id")?;
423cadd9c7 2020-11-27 84: let destination = match real {
423cadd9c7 2020-11-27 85: true => UserId::new(channel_id),
423cadd9c7 2020-11-27 86: false => UserId::new(row.try_get("owner")?),
423cadd9c7 2020-11-27 87: };
423cadd9c7 2020-11-27 88: let url: &str = row.try_get("url")?;
423cadd9c7 2020-11-27 89: let mut this_fetch: Option<DateTime<chrono::FixedOffset>> = None;
423cadd9c7 2020-11-27 90: let iv_hash: Option<&str> = row.try_get("iv_hash")?;
423cadd9c7 2020-11-27 91: let mut posts: BTreeMap<DateTime<chrono::FixedOffset>, String> = BTreeMap::new();
423cadd9c7 2020-11-27 92: let feed = rss::Channel::from_url(url)
f322efafd9 2020-11-30 93: .with_context(|| format!("Problem opening feed url:\n{}", &url))?;
423cadd9c7 2020-11-27 94: for item in feed.items() {
423cadd9c7 2020-11-27 95: let date = match item.pub_date() {
423cadd9c7 2020-11-27 96: Some(feed_date) => DateTime::parse_from_rfc2822(feed_date),
423cadd9c7 2020-11-27 97: None => DateTime::parse_from_rfc3339(&item.dublin_core_ext().unwrap().dates()[0]),
423cadd9c7 2020-11-27 98: }?;
423cadd9c7 2020-11-27 99: let url = item.link().unwrap().to_string();
423cadd9c7 2020-11-27 100: posts.insert(date.clone(), url.clone());
423cadd9c7 2020-11-27 101: };
423cadd9c7 2020-11-27 102: for (date, url) in posts.iter() {
423cadd9c7 2020-11-27 103: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 104: .with_context(|| format!("Check post fetch conn:\n{:?}", &self.pool))?;
423cadd9c7 2020-11-27 105: let row = sqlx::query("select exists(select true from rsstg_post where url = $1 and source_id = $2) as exists;")
423cadd9c7 2020-11-27 106: .bind(&url)
423cadd9c7 2020-11-27 107: .bind(id)
423cadd9c7 2020-11-27 108: .fetch_one(&mut conn).await
f322efafd9 2020-11-30 109: .with_context(|| format!("Check post:\n{:?}", &conn))?;
423cadd9c7 2020-11-27 110: let exists: bool = row.try_get("exists")?;
423cadd9c7 2020-11-27 111: if ! exists {
423cadd9c7 2020-11-27 112: if this_fetch == None || *date > this_fetch.unwrap() {
423cadd9c7 2020-11-27 113: this_fetch = Some(*date);
423cadd9c7 2020-11-27 114: };
423cadd9c7 2020-11-27 115: self.tg.send( match iv_hash {
423cadd9c7 2020-11-27 116: Some(x) => SendMessage::new(destination, format!("<a href=\"https://t.me/iv?url={}&rhash={}\"> </a>{0}", url, x)),
423cadd9c7 2020-11-27 117: None => SendMessage::new(destination, format!("{}", url)),
423cadd9c7 2020-11-27 118: }.parse_mode(types::ParseMode::Html)).await
f322efafd9 2020-11-30 119: .context("Can't post message:")?;
423cadd9c7 2020-11-27 120: sqlx::query("insert into rsstg_post (source_id, posted, url) values ($1, $2, $3);")
423cadd9c7 2020-11-27 121: .bind(id)
423cadd9c7 2020-11-27 122: .bind(date)
423cadd9c7 2020-11-27 123: .bind(url)
423cadd9c7 2020-11-27 124: .execute(&mut conn).await
f322efafd9 2020-11-30 125: .with_context(|| format!("Record post:\n{:?}", &conn))?;
423cadd9c7 2020-11-27 126: drop(conn);
423cadd9c7 2020-11-27 127: tokio::time::delay_for(std::time::Duration::new(4, 0)).await;
423cadd9c7 2020-11-27 128: };
423cadd9c7 2020-11-27 129: };
423cadd9c7 2020-11-27 130: posts.clear();
423cadd9c7 2020-11-27 131: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 132: .with_context(|| format!("Update scrape fetch conn:\n{:?}", &self.pool))?;
ebe7c281a5 2020-11-27 133: sqlx::query("update rsstg_source set last_scrape = now() where source_id = $1;")
ebe7c281a5 2020-11-27 134: .bind(id)
ebe7c281a5 2020-11-27 135: .execute(&mut conn).await
f322efafd9 2020-11-30 136: .with_context(|| format!("Update scrape:\n{:?}", &conn))?;
ebe7c281a5 2020-11-27 137: Ok(())
ebe7c281a5 2020-11-27 138: }
ebe7c281a5 2020-11-27 139:
f322efafd9 2020-11-30 140: async fn delete<S>(&self, source_id: &i32, owner: S) -> Result<String>
f322efafd9 2020-11-30 141: where S: Into<i64> {
f322efafd9 2020-11-30 142: let owner: i64 = owner.into();
f322efafd9 2020-11-30 143: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 144: .with_context(|| format!("Delete fetch conn:\n{:?}", &self.pool))?;
f322efafd9 2020-11-30 145: match sqlx::query("delete from rsstg_source where source_id = $1 and owner = $2;")
f322efafd9 2020-11-30 146: .bind(source_id)
f322efafd9 2020-11-30 147: .bind(owner)
f322efafd9 2020-11-30 148: .execute(&mut conn).await
f322efafd9 2020-11-30 149: .with_context(|| format!("Delete source rule:\n{:?}", &self.pool))?
f322efafd9 2020-11-30 150: .rows_affected() {
f322efafd9 2020-11-30 151: 0 => { Ok("No data found found\\.".to_string()) },
f322efafd9 2020-11-30 152: x => { Ok(format!("{} sources removed\\.", x)) },
f322efafd9 2020-11-30 153: }
f322efafd9 2020-11-30 154: }
f322efafd9 2020-11-30 155:
f322efafd9 2020-11-30 156: async fn clean<S>(&self, source_id: &i32, owner: S) -> Result<String>
ebe7c281a5 2020-11-27 157: where S: Into<i64> {
f322efafd9 2020-11-30 158: let owner: i64 = owner.into();
ebe7c281a5 2020-11-27 159: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 160: .with_context(|| format!("Clean fetch conn:\n{:?}", &self.pool))?;
ebe7c281a5 2020-11-27 161: match sqlx::query("delete from rsstg_post p using rsstg_source s where p.source_id = $1 and owner = $2 and p.source_id = s.source_id;")
ebe7c281a5 2020-11-27 162: .bind(source_id)
f322efafd9 2020-11-30 163: .bind(owner)
ebe7c281a5 2020-11-27 164: .execute(&mut conn).await
f322efafd9 2020-11-30 165: .with_context(|| format!("Clean seen posts:\n{:?}", &self.pool))?
ebe7c281a5 2020-11-27 166: .rows_affected() {
ebe7c281a5 2020-11-27 167: 0 => { Ok("No data found found\\.".to_string()) },
ebe7c281a5 2020-11-27 168: x => { Ok(format!("{} posts purged\\.", x)) },
ebe7c281a5 2020-11-27 169: }
ebe7c281a5 2020-11-27 170: }
ebe7c281a5 2020-11-27 171:
f322efafd9 2020-11-30 172: async fn enable<S>(&self, source_id: &i32, owner: S) -> Result<&str>
ebe7c281a5 2020-11-27 173: where S: Into<i64> {
f322efafd9 2020-11-30 174: let owner: i64 = owner.into();
ebe7c281a5 2020-11-27 175: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 176: .with_context(|| format!("Enable fetch conn:\n{:?}", &self.pool))?;
ebe7c281a5 2020-11-27 177: match sqlx::query("update rsstg_source set enabled = true where source_id = $1 and owner = $2")
ebe7c281a5 2020-11-27 178: .bind(source_id)
f322efafd9 2020-11-30 179: .bind(owner)
f322efafd9 2020-11-30 180: .execute(&mut conn).await
f322efafd9 2020-11-30 181: .with_context(|| format!("Enable source:\n{:?}", &self.pool))?
f322efafd9 2020-11-30 182: .rows_affected() {
f322efafd9 2020-11-30 183: 1 => { Ok("Source disabled\\.") },
f322efafd9 2020-11-30 184: 0 => { Ok("Source not found\\.") },
f322efafd9 2020-11-30 185: _ => { Err(anyhow!("Database error.")) },
f322efafd9 2020-11-30 186: }
f322efafd9 2020-11-30 187: }
f322efafd9 2020-11-30 188:
f322efafd9 2020-11-30 189: async fn disable<S>(&self, source_id: &i32, owner: S) -> Result<&str>
f322efafd9 2020-11-30 190: where S: Into<i64> {
f322efafd9 2020-11-30 191: let owner: i64 = owner.into();
f322efafd9 2020-11-30 192: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 193: .with_context(|| format!("Disable fetch conn:\n{:?}", &self.pool))?;
f322efafd9 2020-11-30 194: match sqlx::query("update rsstg_source set enabled = false where source_id = $1 and owner = $2")
f322efafd9 2020-11-30 195: .bind(source_id)
f322efafd9 2020-11-30 196: .bind(owner)
ebe7c281a5 2020-11-27 197: .execute(&mut conn).await
f322efafd9 2020-11-30 198: .with_context(|| format!("Disable source:\n{:?}", &self.pool))?
4acdad1942 2020-11-26 199: .rows_affected() {
4acdad1942 2020-11-26 200: 1 => { Ok("Source disabled\\.") },
4acdad1942 2020-11-26 201: 0 => { Ok("Source not found\\.") },
4acdad1942 2020-11-26 202: _ => { Err(anyhow!("Database error.")) },
4acdad1942 2020-11-26 203: }
4acdad1942 2020-11-26 204: }
4acdad1942 2020-11-26 205:
f322efafd9 2020-11-30 206: async fn update<S>(&self, update: Option<i32>, channel: &str, channel_id: i64, url: &str, iv_hash: Option<&str>, owner: S) -> Result<String>
ebe7c281a5 2020-11-27 207: where S: Into<i64> {
f322efafd9 2020-11-30 208: let owner: i64 = owner.into();
4acdad1942 2020-11-26 209: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 210: .with_context(|| format!("Update fetch conn:\n{:?}", &self.pool))?;
f322efafd9 2020-11-30 211:
f322efafd9 2020-11-30 212: match match update {
f322efafd9 2020-11-30 213: Some(id) => {
f322efafd9 2020-11-30 214: sqlx::query("update rsstg_source set channel_id = $2, url = $3, iv_hash = $4, owner = $5, channel = $6 where source_id = $1").bind(id)
f322efafd9 2020-11-30 215: },
f322efafd9 2020-11-30 216: None => {
f322efafd9 2020-11-30 217: sqlx::query("insert into rsstg_source (channel_id, url, iv_hash, owner, channel) values ($1, $2, $3, $4, $5)")
f322efafd9 2020-11-30 218: },
f322efafd9 2020-11-30 219: }
f322efafd9 2020-11-30 220: .bind(channel_id)
f322efafd9 2020-11-30 221: .bind(url)
f322efafd9 2020-11-30 222: .bind(iv_hash)
f322efafd9 2020-11-30 223: .bind(owner)
f322efafd9 2020-11-30 224: .bind(channel)
f322efafd9 2020-11-30 225: .execute(&mut conn).await {
f322efafd9 2020-11-30 226: Ok(_) => return Ok(String::from("Channel added\\.")),
f322efafd9 2020-11-30 227: Err(sqlx::Error::Database(err)) => {
f322efafd9 2020-11-30 228: match err.downcast::<sqlx::postgres::PgDatabaseError>().routine() {
f322efafd9 2020-11-30 229: Some("_bt_check_unique", ) => {
f322efafd9 2020-11-30 230: return Ok("Duplicate key\\.".to_string())
f322efafd9 2020-11-30 231: },
f322efafd9 2020-11-30 232: Some(_) => {
f322efafd9 2020-11-30 233: return Ok("Database error\\.".to_string())
f322efafd9 2020-11-30 234: },
f322efafd9 2020-11-30 235: None => {
f322efafd9 2020-11-30 236: return Ok("No database error extracted\\.".to_string())
f322efafd9 2020-11-30 237: },
f322efafd9 2020-11-30 238: };
f322efafd9 2020-11-30 239: },
f322efafd9 2020-11-30 240: Err(err) => {
f322efafd9 2020-11-30 241: bail!("Sorry, unknown error:\n{:#?}\n", err);
f322efafd9 2020-11-30 242: },
f322efafd9 2020-11-30 243: };
3d3fde1b28 2020-11-25 244: }
3d3fde1b28 2020-11-25 245:
3d3fde1b28 2020-11-25 246: async fn autofetch(&self) -> Result<()> {
3d3fde1b28 2020-11-25 247: let mut delay = chrono::Duration::minutes(5);
3d3fde1b28 2020-11-25 248: let mut now;
3d3fde1b28 2020-11-25 249: loop {
423cadd9c7 2020-11-27 250: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 251: .with_context(|| format!("Autofetch fetch conn:\n{:?}", &self.pool))?;
423cadd9c7 2020-11-27 252: now = chrono::Local::now();
f322efafd9 2020-11-30 253: let mut queue = sqlx::query("select source_id, next_fetch, owner from rsstg_order natural left join rsstg_source where next_fetch < now();")
423cadd9c7 2020-11-27 254: .fetch_all(&mut conn).await?;
423cadd9c7 2020-11-27 255: for row in queue.iter() {
423cadd9c7 2020-11-27 256: let source_id: i32 = row.try_get("source_id")?;
ebe7c281a5 2020-11-27 257: let owner: i64 = row.try_get("owner")?;
423cadd9c7 2020-11-27 258: let next_fetch: DateTime<chrono::Local> = row.try_get("next_fetch")?;
423cadd9c7 2020-11-27 259: if next_fetch < now {
423cadd9c7 2020-11-27 260: sqlx::query("update rsstg_source set last_scrape = now() + interval '1 hour' where source_id = $1;")
423cadd9c7 2020-11-27 261: .bind(source_id)
423cadd9c7 2020-11-27 262: .execute(&mut conn).await
f322efafd9 2020-11-30 263: .with_context(|| format!(" Lock source:\n\n{:?}", &self.pool))?;
423cadd9c7 2020-11-27 264: let clone = self.clone();
423cadd9c7 2020-11-27 265: tokio::spawn(async move {
ebe7c281a5 2020-11-27 266: if let Err(err) = clone.check(&source_id, owner, true).await {
f322efafd9 2020-11-30 267: if let Err(err) = clone.debug(&format!("š {:?}", err)) {
423cadd9c7 2020-11-27 268: eprintln!("Check error: {}", err);
423cadd9c7 2020-11-27 269: };
423cadd9c7 2020-11-27 270: };
423cadd9c7 2020-11-27 271: });
423cadd9c7 2020-11-27 272: } else {
423cadd9c7 2020-11-27 273: if next_fetch - now < delay {
423cadd9c7 2020-11-27 274: delay = next_fetch - now;
423cadd9c7 2020-11-27 275: }
423cadd9c7 2020-11-27 276: }
423cadd9c7 2020-11-27 277: };
423cadd9c7 2020-11-27 278: queue.clear();
0191d490fe 2020-11-18 279: tokio::time::delay_for(delay.to_std()?).await;
075be7e40e 2020-11-18 280: delay = chrono::Duration::minutes(5);
0191d490fe 2020-11-18 281: }
0191d490fe 2020-11-18 282: }
0191d490fe 2020-11-18 283:
f322efafd9 2020-11-30 284: async fn list<S>(&self, owner: S) -> Result<Vec<String>>
f322efafd9 2020-11-30 285: where S: Into<i64> {
f322efafd9 2020-11-30 286: let owner = owner.into();
ebe7c281a5 2020-11-27 287: let mut reply = vec![];
ebe7c281a5 2020-11-27 288: let mut conn = self.pool.acquire().await
f322efafd9 2020-11-30 289: .with_context(|| format!("List fetch conn:\n{:?}", &self.pool))?;
ebe7c281a5 2020-11-27 290: reply.push("Channels:".to_string());
f322efafd9 2020-11-30 291: let rows = sqlx::query("select source_id, channel, enabled, url, iv_hash from rsstg_source where owner = $1 order by source_id")
f322efafd9 2020-11-30 292: .bind(owner)
ebe7c281a5 2020-11-27 293: .fetch_all(&mut conn).await?;
ebe7c281a5 2020-11-27 294: for row in rows.iter() {
ebe7c281a5 2020-11-27 295: let source_id: i32 = row.try_get("source_id")?;
f322efafd9 2020-11-30 296: let username: &str = row.try_get("channel")?;
ebe7c281a5 2020-11-27 297: let enabled: bool = row.try_get("enabled")?;
ebe7c281a5 2020-11-27 298: let url: &str = row.try_get("url")?;
ebe7c281a5 2020-11-27 299: let iv_hash: Option<&str> = row.try_get("iv_hash")?;
ebe7c281a5 2020-11-27 300: reply.push(format!("\n\\#ļøā£ {} \\*ļøā£ `{}` {}\nš `{}`", source_id, username,
ebe7c281a5 2020-11-27 301: match enabled {
ebe7c281a5 2020-11-27 302: true => "š enabled",
ebe7c281a5 2020-11-27 303: false => "ā disabled",
ebe7c281a5 2020-11-27 304: }, url));
ebe7c281a5 2020-11-27 305: if let Some(hash) = iv_hash {
ebe7c281a5 2020-11-27 306: reply.push(format!("IV `{}`", hash));
ebe7c281a5 2020-11-27 307: }
ebe7c281a5 2020-11-27 308: };
ebe7c281a5 2020-11-27 309: Ok(reply)
ebe7c281a5 2020-11-27 310: }
61df933942 2020-11-18 311: }
61df933942 2020-11-18 312:
ec616a2a43 2020-11-19 313: #[tokio::main]
61df933942 2020-11-18 314: async fn main() -> Result<()> {
61df933942 2020-11-18 315: let mut settings = config::Config::default();
61df933942 2020-11-18 316: settings.merge(config::File::with_name("rsstg"))?;
61df933942 2020-11-18 317:
61df933942 2020-11-18 318: let core = Core::new(settings).await?;
61df933942 2020-11-18 319:
61df933942 2020-11-18 320: let mut stream = core.stream();
61df933942 2020-11-18 321:
61df933942 2020-11-18 322: while let Some(update) = stream.next().await {
423cadd9c7 2020-11-27 323: if let Err(err) = handle(update?, &core).await {
f322efafd9 2020-11-30 324: core.debug(&format!("š {:?}", err))?;
4acdad1942 2020-11-26 325: };
4acdad1942 2020-11-26 326: }
4acdad1942 2020-11-26 327:
4acdad1942 2020-11-26 328: Ok(())
4acdad1942 2020-11-26 329: }
4acdad1942 2020-11-26 330:
4acdad1942 2020-11-26 331: async fn handle(update: telegram_bot::Update, core: &Core) -> Result<()> {
4acdad1942 2020-11-26 332: lazy_static! {
4acdad1942 2020-11-26 333: static ref RE_USERNAME: Regex = Regex::new(r"^@[a-zA-Z][a-zA-Z0-9_]+$").unwrap();
4acdad1942 2020-11-26 334: static ref RE_LINK: Regex = Regex::new(r"^https?://[a-zA-Z.0-9-]+/[-_a-zA-Z.0-9/?=]+$").unwrap();
4acdad1942 2020-11-26 335: static ref RE_IV_HASH: Regex = Regex::new(r"^[a-f0-9]{14}$").unwrap();
4acdad1942 2020-11-26 336: }
4acdad1942 2020-11-26 337:
4acdad1942 2020-11-26 338: match update.kind {
4acdad1942 2020-11-26 339: UpdateKind::Message(message) => {
4acdad1942 2020-11-26 340: let mut reply: Vec<String> = vec![];
4acdad1942 2020-11-26 341: match message.kind {
4acdad1942 2020-11-26 342: MessageKind::Text { ref data, .. } => {
4acdad1942 2020-11-26 343: let mut words = data.split_whitespace();
4acdad1942 2020-11-26 344: let cmd = words.next().unwrap();
4acdad1942 2020-11-26 345: match cmd {
4acdad1942 2020-11-26 346:
4acdad1942 2020-11-26 347: // start
4acdad1942 2020-11-26 348:
4acdad1942 2020-11-26 349: "/start" => {
4acdad1942 2020-11-26 350: reply.push("We are open\\. Probably\\. Visit [channel](https://t.me/rsstg_bot_help/3) for details\\.".to_string());
4acdad1942 2020-11-26 351: },
4acdad1942 2020-11-26 352:
4acdad1942 2020-11-26 353: // list
4acdad1942 2020-11-26 354:
4acdad1942 2020-11-26 355: "/list" => {
ebe7c281a5 2020-11-27 356: reply.append(&mut core.list(message.from.id).await?);
4acdad1942 2020-11-26 357: },
4acdad1942 2020-11-26 358:
4acdad1942 2020-11-26 359: // add
4acdad1942 2020-11-26 360:
4acdad1942 2020-11-26 361: "/add" | "/update" => {
f322efafd9 2020-11-30 362: let mut source_id: Option<i32> = None;
f322efafd9 2020-11-30 363: let at_least = "Requires at least 3 parameters.";
f322efafd9 2020-11-30 364: if cmd == "/update" {
f322efafd9 2020-11-30 365: let first_word = words.next()
f322efafd9 2020-11-30 366: .context(at_least)?;
f322efafd9 2020-11-30 367: source_id = Some(first_word.parse::<i32>()
f322efafd9 2020-11-30 368: .with_context(|| format!("I need a number, but got {}.", first_word))?);
f322efafd9 2020-11-30 369: }
f322efafd9 2020-11-30 370: let (channel, url, iv_hash) = (
f322efafd9 2020-11-30 371: words.next().context(at_least)?,
f322efafd9 2020-11-30 372: words.next().context(at_least)?,
f322efafd9 2020-11-30 373: words.next());
f322efafd9 2020-11-30 374: if ! RE_USERNAME.is_match(&channel) {
f322efafd9 2020-11-30 375: reply.push("Usernames should be something like \"@\\[a\\-zA\\-Z]\\[a\\-zA\\-Z0\\-9\\_]+\", aren't they?".to_string());
f322efafd9 2020-11-30 376: bail!("Wrong username {:?}.", &channel);
f322efafd9 2020-11-30 377: }
f322efafd9 2020-11-30 378: if ! RE_LINK.is_match(&url) {
f322efafd9 2020-11-30 379: reply.push("Link should be link to atom/rss feed, something like \"https://domain/path\"\\.".to_string());
f322efafd9 2020-11-30 380: bail!("Url: {:?}", &url);
f322efafd9 2020-11-30 381: }
f322efafd9 2020-11-30 382: if let Some(hash) = iv_hash {
f322efafd9 2020-11-30 383: if ! RE_IV_HASH.is_match(&hash) {
f322efafd9 2020-11-30 384: reply.push("IV hash should be 14 hex digits.".to_string());
f322efafd9 2020-11-30 385: bail!("IV: {:?}", &iv_hash);
f322efafd9 2020-11-30 386: };
f322efafd9 2020-11-30 387: };
f322efafd9 2020-11-30 388: let channel_id = i64::from(core.tg.send(telegram_bot::GetChat::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await?.id());
f322efafd9 2020-11-30 389: let chan_adm = core.tg.send(telegram_bot::GetChatAdministrators::new(telegram_bot::types::ChatRef::ChannelUsername(channel.to_string()))).await
f322efafd9 2020-11-30 390: .context("Sorry, I have no access to that chat\\.")?;
f322efafd9 2020-11-30 391: let (mut me, mut user) = (false, false);
f322efafd9 2020-11-30 392: for admin in chan_adm {
f322efafd9 2020-11-30 393: if admin.user.id == core.my.id {
f322efafd9 2020-11-30 394: me = true;
f322efafd9 2020-11-30 395: };
f322efafd9 2020-11-30 396: if admin.user.id == message.from.id {
f322efafd9 2020-11-30 397: user = true;
f322efafd9 2020-11-30 398: };
f322efafd9 2020-11-30 399: };
f322efafd9 2020-11-30 400: if ! me { bail!("I need to be admin on that channel\\."); };
f322efafd9 2020-11-30 401: if ! user { bail!("You should be admin on that channel\\."); };
f322efafd9 2020-11-30 402: reply.push(core.update(source_id, channel, channel_id, url, iv_hash, message.from.id).await?);
4acdad1942 2020-11-26 403: },
4acdad1942 2020-11-26 404:
4acdad1942 2020-11-26 405: // check
4acdad1942 2020-11-26 406:
4acdad1942 2020-11-26 407: "/check" => {
4acdad1942 2020-11-26 408: match &words.next().unwrap().parse::<i32>() {
4acdad1942 2020-11-26 409: Err(err) => {
4acdad1942 2020-11-26 410: reply.push(format!("I need a number\\.\n{}", &err));
4acdad1942 2020-11-26 411: },
4acdad1942 2020-11-26 412: Ok(number) => {
ebe7c281a5 2020-11-27 413: core.check(&number, message.from.id, false).await
f322efafd9 2020-11-30 414: .context("Channel check failed.")?;
4acdad1942 2020-11-26 415: },
4acdad1942 2020-11-26 416: };
4acdad1942 2020-11-26 417: },
4acdad1942 2020-11-26 418:
4acdad1942 2020-11-26 419: // clean
4acdad1942 2020-11-26 420:
4acdad1942 2020-11-26 421: "/clean" => {
ebe7c281a5 2020-11-27 422: match &words.next().unwrap().parse::<i32>() {
ebe7c281a5 2020-11-27 423: Err(err) => {
ebe7c281a5 2020-11-27 424: reply.push(format!("I need a number\\.\n{}", &err));
ebe7c281a5 2020-11-27 425: },
ebe7c281a5 2020-11-27 426: Ok(number) => {
ebe7c281a5 2020-11-27 427: let result = core.clean(&number, message.from.id).await?;
ebe7c281a5 2020-11-27 428: reply.push(result.to_string());
ebe7c281a5 2020-11-27 429: },
ebe7c281a5 2020-11-27 430: };
4acdad1942 2020-11-26 431: },
4acdad1942 2020-11-26 432:
4acdad1942 2020-11-26 433: // enable
4acdad1942 2020-11-26 434:
4acdad1942 2020-11-26 435: "/enable" => {
4acdad1942 2020-11-26 436: match &words.next().unwrap().parse::<i32>() {
4acdad1942 2020-11-26 437: Err(err) => {
4acdad1942 2020-11-26 438: reply.push(format!("I need a number\\.\n{}", &err));
4acdad1942 2020-11-26 439: },
4acdad1942 2020-11-26 440: Ok(number) => {
4acdad1942 2020-11-26 441: let result = core.enable(&number, message.from.id).await?;
f322efafd9 2020-11-30 442: reply.push(result.to_string());
f322efafd9 2020-11-30 443: },
f322efafd9 2020-11-30 444: };
f322efafd9 2020-11-30 445: },
f322efafd9 2020-11-30 446:
f322efafd9 2020-11-30 447: // delete
f322efafd9 2020-11-30 448:
f322efafd9 2020-11-30 449: "/delete" => {
f322efafd9 2020-11-30 450: match &words.next().unwrap().parse::<i32>() {
f322efafd9 2020-11-30 451: Err(err) => {
f322efafd9 2020-11-30 452: reply.push(format!("I need a number\\.\n{}", &err));
f322efafd9 2020-11-30 453: },
f322efafd9 2020-11-30 454: Ok(number) => {
f322efafd9 2020-11-30 455: let result = core.delete(&number, message.from.id).await?;
4acdad1942 2020-11-26 456: reply.push(result.to_string());
4acdad1942 2020-11-26 457: },
4acdad1942 2020-11-26 458: };
4acdad1942 2020-11-26 459: },
4acdad1942 2020-11-26 460:
4acdad1942 2020-11-26 461: // disable
4acdad1942 2020-11-26 462:
4acdad1942 2020-11-26 463: "/disable" => {
4acdad1942 2020-11-26 464: match &words.next().unwrap().parse::<i32>() {
4acdad1942 2020-11-26 465: Err(err) => {
4acdad1942 2020-11-26 466: reply.push(format!("I need a number\\.\n{}", &err));
4acdad1942 2020-11-26 467: },
4acdad1942 2020-11-26 468: Ok(number) => {
4acdad1942 2020-11-26 469: let result = core.disable(&number, message.from.id).await?;
4acdad1942 2020-11-26 470: reply.push(result.to_string());
4acdad1942 2020-11-26 471: },
4acdad1942 2020-11-26 472: };
4acdad1942 2020-11-26 473: },
4acdad1942 2020-11-26 474:
4acdad1942 2020-11-26 475: _ => {
4acdad1942 2020-11-26 476: },
4acdad1942 2020-11-26 477: };
4acdad1942 2020-11-26 478: },
4acdad1942 2020-11-26 479: _ => {
4acdad1942 2020-11-26 480: },
4acdad1942 2020-11-26 481: };
4acdad1942 2020-11-26 482:
4acdad1942 2020-11-26 483: if reply.len() > 0 {
423cadd9c7 2020-11-27 484: if let Err(err) = core.tg.send(message.text_reply(reply.join("\n")).parse_mode(types::ParseMode::MarkdownV2)).await {
423cadd9c7 2020-11-27 485: dbg!(reply.join("\n"));
423cadd9c7 2020-11-27 486: println!("{}", err);
423cadd9c7 2020-11-27 487: };
423cadd9c7 2020-11-27 488: };
4acdad1942 2020-11-26 489: },
4acdad1942 2020-11-26 490: _ => {},
4acdad1942 2020-11-26 491: };
61df933942 2020-11-18 492:
61df933942 2020-11-18 493: Ok(())
61df933942 2020-11-18 494: }