9171c791eb 2021-11-13 1: use crate::core::Core;
a2880e5100 2025-04-19 2:
a2880e5100 2025-04-19 3: use anyhow::{
bb89b6fab8 2025-06-15 4: anyhow,
a2880e5100 2025-04-19 5: bail,
a2880e5100 2025-04-19 6: Context,
bb89b6fab8 2025-06-15 7: Result,
a2880e5100 2025-04-19 8: };
28da2e2a00 2022-03-12 9: use lazy_static::lazy_static;
9171c791eb 2021-11-13 10: use regex::Regex;
9171c791eb 2021-11-13 11: use sedregex::ReplaceCommand;
bb89b6fab8 2025-06-15 12: use tgbot::types::{
bb89b6fab8 2025-06-15 13: ChatMember,
bb89b6fab8 2025-06-15 14: ChatUsername,
bb89b6fab8 2025-06-15 15: GetChat,
bb89b6fab8 2025-06-15 16: GetChatAdministrators,
bb89b6fab8 2025-06-15 17: Message,
bb89b6fab8 2025-06-15 18: ParseMode::MarkdownV2,
bb89b6fab8 2025-06-15 19: };
9171c791eb 2021-11-13 20:
9171c791eb 2021-11-13 21: lazy_static! {
9171c791eb 2021-11-13 22: static ref RE_USERNAME: Regex = Regex::new(r"^@[a-zA-Z][a-zA-Z0-9_]+$").unwrap();
ec2eac7ea2 2024-05-14 23: static ref RE_LINK: Regex = Regex::new(r"^https?://[a-zA-Z.0-9-]+/[-_a-zA-Z.:0-9/?=]+$").unwrap();
9171c791eb 2021-11-13 24: static ref RE_IV_HASH: Regex = Regex::new(r"^[a-f0-9]{14}$").unwrap();
9171c791eb 2021-11-13 25: }
9171c791eb 2021-11-13 26:
bb89b6fab8 2025-06-15 27: pub async fn start(core: &Core, msg: &Message) -> Result<()> {
bb89b6fab8 2025-06-15 28: core.send("We are open\\. Probably\\. Visit [channel](https://t.me/rsstg_bot_help/3) for details\\.",
bb89b6fab8 2025-06-15 29: Some(msg.chat.get_id()), Some(MarkdownV2)).await?;
bb89b6fab8 2025-06-15 30: Ok(())
bb89b6fab8 2025-06-15 31: }
bb89b6fab8 2025-06-15 32:
bb89b6fab8 2025-06-15 33: pub async fn list(core: &Core, msg: &Message) -> Result<()> {
bb89b6fab8 2025-06-15 34: let sender = msg.sender.get_user_id()
bb89b6fab8 2025-06-15 35: .ok_or(anyhow!("Ignoring unreal users."))?;
bb89b6fab8 2025-06-15 36: let reply = core.list(sender).await?;
bb89b6fab8 2025-06-15 37: core.send(reply, Some(msg.chat.get_id()), Some(MarkdownV2)).await?;
bb89b6fab8 2025-06-15 38: Ok(())
bb89b6fab8 2025-06-15 39: }
bb89b6fab8 2025-06-15 40:
bb89b6fab8 2025-06-15 41: pub async fn command (core: &Core, msg: &Message, command: &[String]) -> Result<()> {
bb89b6fab8 2025-06-15 42: let mut conn = core.db.begin().await?;
bb89b6fab8 2025-06-15 43: let sender = msg.sender.get_user_id()
bb89b6fab8 2025-06-15 44: .ok_or(anyhow!("Ignoring unreal users."))?;
bb89b6fab8 2025-06-15 45: let reply = if command.len() >= 2 {
bb89b6fab8 2025-06-15 46: match command[1].parse::<i32>() {
bb89b6fab8 2025-06-15 47: Err(err) => format!("I need a number.\n{}", &err).into(),
bb89b6fab8 2025-06-15 48: Ok(number) => match &command[0][..] {
bb89b6fab8 2025-06-15 49: "/check" => core.check(number, false).await
bb89b6fab8 2025-06-15 50: .context("Channel check failed.")?.into(),
bb89b6fab8 2025-06-15 51: "/clean" => conn.clean(number, sender).await?,
bb89b6fab8 2025-06-15 52: "/enable" => conn.enable(number, sender).await?.into(),
bb89b6fab8 2025-06-15 53: "/delete" => conn.delete(number, sender).await?,
bb89b6fab8 2025-06-15 54: "/disable" => conn.disable(number, sender).await?.into(),
bb89b6fab8 2025-06-15 55: _ => bail!("Command {} not handled.", &command[0]),
bb89b6fab8 2025-06-15 56: },
bb89b6fab8 2025-06-15 57: }
bb89b6fab8 2025-06-15 58: } else {
bb89b6fab8 2025-06-15 59: "This command needs a number.".into()
bb89b6fab8 2025-06-15 60: };
bb89b6fab8 2025-06-15 61: core.send(reply, Some(msg.chat.get_id()), None).await?;
bb89b6fab8 2025-06-15 62: Ok(())
bb89b6fab8 2025-06-15 63: }
bb89b6fab8 2025-06-15 64:
bb89b6fab8 2025-06-15 65: pub async fn update (core: &Core, msg: &Message, command: &[String]) -> Result<()> {
bb89b6fab8 2025-06-15 66: let sender = msg.sender.get_user_id()
bb89b6fab8 2025-06-15 67: .ok_or(anyhow!("Ignoring unreal users."))?;
cab82b7ff4 2022-03-23 68: let mut source_id: Option<i32> = None;
cab82b7ff4 2022-03-23 69: let at_least = "Requires at least 3 parameters.";
cab82b7ff4 2022-03-23 70: let mut i_command = command.iter();
cab82b7ff4 2022-03-23 71: let first_word = i_command.next().context(at_least)?;
bb89b6fab8 2025-06-15 72: match first_word.as_ref() {
cab82b7ff4 2022-03-23 73: "/update" => {
cab82b7ff4 2022-03-23 74: let next_word = i_command.next().context(at_least)?;
cab82b7ff4 2022-03-23 75: source_id = Some(next_word.parse::<i32>()
e624ef9d66 2025-04-20 76: .context(format!("I need a number, but got {next_word}."))?);
cab82b7ff4 2022-03-23 77: },
cab82b7ff4 2022-03-23 78: "/add" => {},
e624ef9d66 2025-04-20 79: _ => bail!("Passing {first_word} is not possible here."),
cab82b7ff4 2022-03-23 80: };
9171c791eb 2021-11-13 81: let (channel, url, iv_hash, url_re) = (
9171c791eb 2021-11-13 82: i_command.next().context(at_least)?,
9171c791eb 2021-11-13 83: i_command.next().context(at_least)?,
9171c791eb 2021-11-13 84: i_command.next(),
9171c791eb 2021-11-13 85: i_command.next());
f988dfd28f 2022-02-13 86: if ! RE_USERNAME.is_match(channel) {
e624ef9d66 2025-04-20 87: bail!("Usernames should be something like \"@\\[a\\-zA\\-Z]\\[a\\-zA\\-Z0\\-9\\_]+\", aren't they?\nNot {channel:?}");
4632d20d39 2021-11-13 88: };
f988dfd28f 2022-02-13 89: if ! RE_LINK.is_match(url) {
e624ef9d66 2025-04-20 90: bail!("Link should be a link to atom/rss feed, something like \"https://domain/path\".\nNot {url:?}");
9171c791eb 2021-11-13 91: }
9171c791eb 2021-11-13 92: let iv_hash = match iv_hash {
9171c791eb 2021-11-13 93: Some(hash) => {
bb89b6fab8 2025-06-15 94: match hash.as_ref() {
c1e27b74ed 2021-11-13 95: "-" => None,
613a665847 2021-11-15 96: thing => {
613a665847 2021-11-15 97: if ! RE_IV_HASH.is_match(thing) {
e624ef9d66 2025-04-20 98: bail!("IV hash should be 14 hex digits.\nNot {thing:?}");
613a665847 2021-11-15 99: };
613a665847 2021-11-15 100: Some(thing)
613a665847 2021-11-15 101: },
c1e27b74ed 2021-11-13 102: }
10c25017bb 2021-11-13 103: },
10c25017bb 2021-11-13 104: None => None,
10c25017bb 2021-11-13 105: };
10c25017bb 2021-11-13 106: let url_re = match url_re {
10c25017bb 2021-11-13 107: Some(re) => {
bb89b6fab8 2025-06-15 108: match re.as_ref() {
c1e27b74ed 2021-11-13 109: "-" => None,
613a665847 2021-11-15 110: thing => {
613a665847 2021-11-15 111: let _url_rex = ReplaceCommand::new(thing).context("Regexp parsing error:")?;
613a665847 2021-11-15 112: Some(thing)
613a665847 2021-11-15 113: }
c1e27b74ed 2021-11-13 114: }
10c25017bb 2021-11-13 115: },
9171c791eb 2021-11-13 116: None => None,
9171c791eb 2021-11-13 117: };
bb89b6fab8 2025-06-15 118: let chat_id = ChatUsername::from(channel.clone());
bb89b6fab8 2025-06-15 119: let channel_id = core.tg.execute(GetChat::new(chat_id.clone())).await?.id;
bb89b6fab8 2025-06-15 120: let chan_adm = core.tg.execute(GetChatAdministrators::new(chat_id)).await
bb89b6fab8 2025-06-15 121: .context("Sorry, I have no access to that chat.")?;
9171c791eb 2021-11-13 122: let (mut me, mut user) = (false, false);
9171c791eb 2021-11-13 123: for admin in chan_adm {
e624ef9d66 2025-04-20 124: let member_id = match admin {
e624ef9d66 2025-04-20 125: ChatMember::Creator(member) => member.user.id,
e624ef9d66 2025-04-20 126: ChatMember::Administrator(member) => member.user.id,
e624ef9d66 2025-04-20 127: ChatMember::Left(_)
e624ef9d66 2025-04-20 128: | ChatMember::Kicked(_)
bb89b6fab8 2025-06-15 129: | ChatMember::Member{..}
e624ef9d66 2025-04-20 130: | ChatMember::Restricted(_) => continue,
bb89b6fab8 2025-06-15 131: };
bb89b6fab8 2025-06-15 132: if member_id == core.me.id {
e624ef9d66 2025-04-20 133: me = true;
bb89b6fab8 2025-06-15 134: }
e624ef9d66 2025-04-20 135: if member_id == sender {
e624ef9d66 2025-04-20 136: user = true;
bb89b6fab8 2025-06-15 137: }
4632d20d39 2021-11-13 138: };
4632d20d39 2021-11-13 139: if ! me { bail!("I need to be admin on that channel."); };
4632d20d39 2021-11-13 140: if ! user { bail!("You should be admin on that channel."); };
0340541002 2025-04-24 141: let mut conn = core.db.begin().await?;
bb89b6fab8 2025-06-15 142: core.send(conn.update(source_id, channel, channel_id, url, iv_hash, url_re, sender).await?, Some(msg.chat.get_id()), None).await?;
a7f91033c0 2021-11-13 143: Ok(())
9171c791eb 2021-11-13 144: }