mirror of
https://github.com/outbackdingo/optimclaw.git
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Add Telegram Bot API channel as WASM module
Implements a loadable WASM channel for Telegram following the existing Slack channel pattern: - Webhook-based message receiving at /webhook/telegram - Private chat and group chat support (with @mention filtering) - Reply threading via reply_to_message_id - User name extraction from Telegram user objects - Bot token injection by host (never exposed to WASM) Files: - channels-src/telegram/src/lib.rs - Main implementation - channels-src/telegram/Cargo.toml - Dependencies - channels-src/telegram/telegram.capabilities.json - Permissions - channels-src/telegram/build.sh - Build script To use: copy telegram.wasm and telegram.capabilities.json to ~/.near-agent/channels/ and configure telegram_bot_token secret. Co-Authored-By: Claude Opus 4.5 <[email protected]>
This commit is contained in:
Illia Polosukhin
co-authored by
Claude Opus 4.5
Claude Opus 4.5
parent
be18812376
commit
1605939e2a
@@ -351,7 +351,7 @@ Inspired by [OpenClaw](https://github.com/openclaw/openclaw), the workspace prov
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### Key Principles
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### Key Principles
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1. **"Memory is files, not RAM"** - If you want to remember something, write it explicitly
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1. **"Memory is database, not RAM"** - If you want to remember something, write it explicitly
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2. **Flexible structure** - Create any directory/file hierarchy you need
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2. **Flexible structure** - Create any directory/file hierarchy you need
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3. **Self-documenting** - Use README.md files to describe directory structure
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3. **Self-documenting** - Use README.md files to describe directory structure
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4. **Hybrid search** - Combines FTS (keyword) + vector (semantic) via Reciprocal Rank Fusion
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4. **Hybrid search** - Combines FTS (keyword) + vector (semantic) via Reciprocal Rank Fusion
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Generated
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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"prettyplease",
|
||||||
|
"syn",
|
||||||
|
"wasm-metadata",
|
||||||
|
"wit-bindgen-core",
|
||||||
|
"wit-component",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-bindgen-rust-macro"
|
||||||
|
version = "0.36.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "177fb7ee1484d113b4792cc480b1ba57664bbc951b42a4beebe573502135b1fc"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"prettyplease",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
"wit-bindgen-core",
|
||||||
|
"wit-bindgen-rust",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-component"
|
||||||
|
version = "0.220.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b505603761ed400c90ed30261f44a768317348e49f1864e82ecdc3b2744e5627"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"bitflags",
|
||||||
|
"indexmap",
|
||||||
|
"log",
|
||||||
|
"serde",
|
||||||
|
"serde_derive",
|
||||||
|
"serde_json",
|
||||||
|
"wasm-encoder",
|
||||||
|
"wasm-metadata",
|
||||||
|
"wasmparser",
|
||||||
|
"wit-parser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wit-parser"
|
||||||
|
version = "0.220.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ae2a7999ed18efe59be8de2db9cb2b7f84d88b27818c79353dfc53131840fe1a"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"id-arena",
|
||||||
|
"indexmap",
|
||||||
|
"log",
|
||||||
|
"semver",
|
||||||
|
"serde",
|
||||||
|
"serde_derive",
|
||||||
|
"serde_json",
|
||||||
|
"unicode-xid",
|
||||||
|
"wasmparser",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zerocopy"
|
||||||
|
version = "0.8.38"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "57cf3aa6855b23711ee9852dfc97dfaa51c45feaba5b645d0c777414d494a961"
|
||||||
|
dependencies = [
|
||||||
|
"zerocopy-derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zerocopy-derive"
|
||||||
|
version = "0.8.38"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8a616990af1a287837c4fe6596ad77ef57948f787e46ce28e166facc0cc1cb75"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zmij"
|
||||||
|
version = "1.0.19"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3ff05f8caa9038894637571ae6b9e29466c1f4f829d26c9b28f869a29cbe3445"
|
||||||
@@ -0,0 +1,24 @@
|
|||||||
|
[package]
|
||||||
|
name = "telegram-channel"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
description = "Telegram Bot API channel for NEAR Agent"
|
||||||
|
license = "MIT OR Apache-2.0"
|
||||||
|
|
||||||
|
[lib]
|
||||||
|
crate-type = ["cdylib"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
# WIT bindgen for WASM component model
|
||||||
|
wit-bindgen = "0.36"
|
||||||
|
|
||||||
|
# Serialization
|
||||||
|
serde = { version = "1.0", features = ["derive"] }
|
||||||
|
serde_json = "1.0"
|
||||||
|
|
||||||
|
[profile.release]
|
||||||
|
# Optimize for size
|
||||||
|
opt-level = "s"
|
||||||
|
lto = true
|
||||||
|
strip = true
|
||||||
|
codegen-units = 1
|
||||||
Executable
+43
@@ -0,0 +1,43 @@
|
|||||||
|
#!/usr/bin/env bash
|
||||||
|
# Build the Telegram channel WASM component
|
||||||
|
#
|
||||||
|
# Prerequisites:
|
||||||
|
# - Rust with wasm32-wasip2 target: rustup target add wasm32-wasip2
|
||||||
|
# - wasm-tools for component creation: cargo install wasm-tools
|
||||||
|
#
|
||||||
|
# Output:
|
||||||
|
# - telegram.wasm - WASM component ready for deployment
|
||||||
|
# - telegram.capabilities.json - Capabilities file (copy alongside .wasm)
|
||||||
|
|
||||||
|
set -euo pipefail
|
||||||
|
|
||||||
|
cd "$(dirname "$0")"
|
||||||
|
|
||||||
|
echo "Building Telegram channel WASM component..."
|
||||||
|
|
||||||
|
# Build the WASM module
|
||||||
|
cargo build --release --target wasm32-wasip2
|
||||||
|
|
||||||
|
# Convert to component model (if not already a component)
|
||||||
|
# wasm-tools component new is idempotent on components
|
||||||
|
WASM_PATH="target/wasm32-wasip2/release/telegram_channel.wasm"
|
||||||
|
|
||||||
|
if [ -f "$WASM_PATH" ]; then
|
||||||
|
# Create component if needed
|
||||||
|
wasm-tools component new "$WASM_PATH" -o telegram.wasm 2>/dev/null || cp "$WASM_PATH" telegram.wasm
|
||||||
|
|
||||||
|
# Optimize the component
|
||||||
|
wasm-tools strip telegram.wasm -o telegram.wasm
|
||||||
|
|
||||||
|
echo "Built: telegram.wasm ($(du -h telegram.wasm | cut -f1))"
|
||||||
|
echo ""
|
||||||
|
echo "To install:"
|
||||||
|
echo " mkdir -p ~/.near-agent/channels"
|
||||||
|
echo " cp telegram.wasm telegram.capabilities.json ~/.near-agent/channels/"
|
||||||
|
echo ""
|
||||||
|
echo "Then add your bot token to secrets:"
|
||||||
|
echo " # Set TELEGRAM_BOT_TOKEN in your environment or secrets store"
|
||||||
|
else
|
||||||
|
echo "Error: WASM output not found at $WASM_PATH"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
@@ -0,0 +1,548 @@
|
|||||||
|
// Telegram API types have fields reserved for future use (entities, reply threading, etc.)
|
||||||
|
#![allow(dead_code)]
|
||||||
|
|
||||||
|
//! Telegram Bot API channel for NEAR Agent.
|
||||||
|
//!
|
||||||
|
//! This WASM component implements the channel interface for handling Telegram
|
||||||
|
//! webhooks and sending messages back via the Bot API.
|
||||||
|
//!
|
||||||
|
//! # Features
|
||||||
|
//!
|
||||||
|
//! - Webhook-based message receiving
|
||||||
|
//! - Private chat (DM) support
|
||||||
|
//! - Group chat support with @mention triggering
|
||||||
|
//! - Reply threading support
|
||||||
|
//! - User name extraction
|
||||||
|
//!
|
||||||
|
//! # Security
|
||||||
|
//!
|
||||||
|
//! - Bot token is injected by host during HTTP requests
|
||||||
|
//! - WASM never sees raw credentials
|
||||||
|
//! - Optional webhook secret validation by host
|
||||||
|
|
||||||
|
// Generate bindings from the WIT file
|
||||||
|
wit_bindgen::generate!({
|
||||||
|
world: "sandboxed-channel",
|
||||||
|
path: "../../wit/channel.wit",
|
||||||
|
});
|
||||||
|
|
||||||
|
use serde::{Deserialize, Serialize};
|
||||||
|
|
||||||
|
// Re-export generated types
|
||||||
|
use exports::near::agent::channel::{
|
||||||
|
AgentResponse, ChannelConfig, Guest, HttpEndpointConfig, IncomingHttpRequest,
|
||||||
|
OutgoingHttpResponse, PollConfig,
|
||||||
|
};
|
||||||
|
use near::agent::channel_host::{self, EmittedMessage};
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Telegram API Types
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
/// Telegram Update object (webhook payload).
|
||||||
|
/// https://core.telegram.org/bots/api#update
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct TelegramUpdate {
|
||||||
|
/// Unique update identifier.
|
||||||
|
update_id: i64,
|
||||||
|
|
||||||
|
/// New incoming message.
|
||||||
|
message: Option<TelegramMessage>,
|
||||||
|
|
||||||
|
/// Edited message.
|
||||||
|
edited_message: Option<TelegramMessage>,
|
||||||
|
|
||||||
|
/// Channel post (we ignore these for now).
|
||||||
|
channel_post: Option<TelegramMessage>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Telegram Message object.
|
||||||
|
/// https://core.telegram.org/bots/api#message
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct TelegramMessage {
|
||||||
|
/// Unique message identifier.
|
||||||
|
message_id: i64,
|
||||||
|
|
||||||
|
/// Sender (empty for channel posts).
|
||||||
|
from: Option<TelegramUser>,
|
||||||
|
|
||||||
|
/// Chat the message belongs to.
|
||||||
|
chat: TelegramChat,
|
||||||
|
|
||||||
|
/// Message text.
|
||||||
|
text: Option<String>,
|
||||||
|
|
||||||
|
/// Original message if this is a reply.
|
||||||
|
reply_to_message: Option<Box<TelegramMessage>>,
|
||||||
|
|
||||||
|
/// Bot command entities (for /commands).
|
||||||
|
entities: Option<Vec<MessageEntity>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Telegram User object.
|
||||||
|
/// https://core.telegram.org/bots/api#user
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct TelegramUser {
|
||||||
|
/// Unique user identifier.
|
||||||
|
id: i64,
|
||||||
|
|
||||||
|
/// True if this is a bot.
|
||||||
|
is_bot: bool,
|
||||||
|
|
||||||
|
/// User's first name.
|
||||||
|
first_name: String,
|
||||||
|
|
||||||
|
/// User's last name.
|
||||||
|
last_name: Option<String>,
|
||||||
|
|
||||||
|
/// Username (without @).
|
||||||
|
username: Option<String>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Telegram Chat object.
|
||||||
|
/// https://core.telegram.org/bots/api#chat
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct TelegramChat {
|
||||||
|
/// Unique chat identifier.
|
||||||
|
id: i64,
|
||||||
|
|
||||||
|
/// Type of chat: private, group, supergroup, or channel.
|
||||||
|
#[serde(rename = "type")]
|
||||||
|
chat_type: String,
|
||||||
|
|
||||||
|
/// Title for groups/channels.
|
||||||
|
title: Option<String>,
|
||||||
|
|
||||||
|
/// Username for private chats.
|
||||||
|
username: Option<String>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Message entity (for parsing @mentions, commands, etc.).
|
||||||
|
/// https://core.telegram.org/bots/api#messageentity
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct MessageEntity {
|
||||||
|
/// Type: mention, bot_command, etc.
|
||||||
|
#[serde(rename = "type")]
|
||||||
|
entity_type: String,
|
||||||
|
|
||||||
|
/// Offset in UTF-16 code units.
|
||||||
|
offset: i64,
|
||||||
|
|
||||||
|
/// Length in UTF-16 code units.
|
||||||
|
length: i64,
|
||||||
|
|
||||||
|
/// For "mention" type, the mentioned user.
|
||||||
|
user: Option<TelegramUser>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Telegram API response wrapper.
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct TelegramApiResponse<T> {
|
||||||
|
/// True if the request was successful.
|
||||||
|
ok: bool,
|
||||||
|
|
||||||
|
/// Error description if not ok.
|
||||||
|
description: Option<String>,
|
||||||
|
|
||||||
|
/// Result on success.
|
||||||
|
result: Option<T>,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Response from sendMessage.
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct SentMessage {
|
||||||
|
message_id: i64,
|
||||||
|
}
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Channel Metadata
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
/// Metadata stored with emitted messages for response routing.
|
||||||
|
#[derive(Debug, Serialize, Deserialize)]
|
||||||
|
struct TelegramMessageMetadata {
|
||||||
|
/// Chat ID where the message was received.
|
||||||
|
chat_id: i64,
|
||||||
|
|
||||||
|
/// Original message ID (for reply_to_message_id).
|
||||||
|
message_id: i64,
|
||||||
|
|
||||||
|
/// User ID who sent the message.
|
||||||
|
user_id: i64,
|
||||||
|
|
||||||
|
/// Whether this is a private (DM) chat.
|
||||||
|
is_private: bool,
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Channel configuration from capabilities file.
|
||||||
|
#[derive(Debug, Deserialize)]
|
||||||
|
struct TelegramConfig {
|
||||||
|
/// Bot username (without @) for mention detection in groups.
|
||||||
|
#[serde(default)]
|
||||||
|
bot_username: Option<String>,
|
||||||
|
|
||||||
|
/// Whether to respond to all group messages (not just mentions).
|
||||||
|
#[serde(default)]
|
||||||
|
respond_to_all_group_messages: bool,
|
||||||
|
|
||||||
|
/// Whether to use polling instead of webhooks.
|
||||||
|
#[serde(default)]
|
||||||
|
polling_enabled: bool,
|
||||||
|
|
||||||
|
/// Polling interval in milliseconds (if polling enabled).
|
||||||
|
#[serde(default = "default_poll_interval")]
|
||||||
|
poll_interval_ms: u32,
|
||||||
|
}
|
||||||
|
|
||||||
|
fn default_poll_interval() -> u32 {
|
||||||
|
30000 // 30 seconds (minimum allowed)
|
||||||
|
}
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Channel Implementation
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
struct TelegramChannel;
|
||||||
|
|
||||||
|
impl Guest for TelegramChannel {
|
||||||
|
fn on_start(config_json: String) -> Result<ChannelConfig, String> {
|
||||||
|
let config: TelegramConfig = serde_json::from_str(&config_json)
|
||||||
|
.map_err(|e| format!("Failed to parse config: {}", e))?;
|
||||||
|
|
||||||
|
channel_host::log(channel_host::LogLevel::Info, "Telegram channel starting");
|
||||||
|
|
||||||
|
if let Some(ref username) = config.bot_username {
|
||||||
|
channel_host::log(
|
||||||
|
channel_host::LogLevel::Info,
|
||||||
|
&format!("Bot username: @{}", username),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Configure polling if enabled
|
||||||
|
let poll = if config.polling_enabled {
|
||||||
|
Some(PollConfig {
|
||||||
|
interval_ms: config.poll_interval_ms.max(30000), // Enforce minimum
|
||||||
|
enabled: true,
|
||||||
|
})
|
||||||
|
} else {
|
||||||
|
None
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok(ChannelConfig {
|
||||||
|
display_name: "Telegram".to_string(),
|
||||||
|
http_endpoints: vec![HttpEndpointConfig {
|
||||||
|
path: "/webhook/telegram".to_string(),
|
||||||
|
methods: vec!["POST".to_string()],
|
||||||
|
require_secret: false, // Telegram doesn't use signing secrets by default
|
||||||
|
}],
|
||||||
|
poll,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
fn on_http_request(req: IncomingHttpRequest) -> OutgoingHttpResponse {
|
||||||
|
// Parse the request body as UTF-8
|
||||||
|
let body_str = match std::str::from_utf8(&req.body) {
|
||||||
|
Ok(s) => s,
|
||||||
|
Err(_) => {
|
||||||
|
return json_response(400, serde_json::json!({"error": "Invalid UTF-8 body"}));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Parse as Telegram Update
|
||||||
|
let update: TelegramUpdate = match serde_json::from_str(body_str) {
|
||||||
|
Ok(u) => u,
|
||||||
|
Err(e) => {
|
||||||
|
channel_host::log(
|
||||||
|
channel_host::LogLevel::Error,
|
||||||
|
&format!("Failed to parse Telegram update: {}", e),
|
||||||
|
);
|
||||||
|
// Still return 200 to prevent Telegram from retrying
|
||||||
|
return json_response(200, serde_json::json!({"ok": true}));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
// Handle the update
|
||||||
|
handle_update(update);
|
||||||
|
|
||||||
|
// Always respond 200 quickly (Telegram expects fast responses)
|
||||||
|
json_response(200, serde_json::json!({"ok": true}))
|
||||||
|
}
|
||||||
|
|
||||||
|
fn on_poll() {
|
||||||
|
// Polling mode: call getUpdates API
|
||||||
|
// For now, we focus on webhook mode. Polling can be added later.
|
||||||
|
channel_host::log(
|
||||||
|
channel_host::LogLevel::Debug,
|
||||||
|
"Polling tick (not implemented yet)",
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn on_respond(response: AgentResponse) -> Result<(), String> {
|
||||||
|
// Parse metadata to get chat info
|
||||||
|
let metadata: TelegramMessageMetadata = serde_json::from_str(&response.metadata_json)
|
||||||
|
.map_err(|e| format!("Failed to parse metadata: {}", e))?;
|
||||||
|
|
||||||
|
// Build sendMessage payload
|
||||||
|
let mut payload = serde_json::json!({
|
||||||
|
"chat_id": metadata.chat_id,
|
||||||
|
"text": response.content,
|
||||||
|
"parse_mode": "Markdown",
|
||||||
|
});
|
||||||
|
|
||||||
|
// Reply to the original message for context
|
||||||
|
payload["reply_to_message_id"] = serde_json::Value::Number(metadata.message_id.into());
|
||||||
|
|
||||||
|
let payload_bytes = serde_json::to_vec(&payload)
|
||||||
|
.map_err(|e| format!("Failed to serialize payload: {}", e))?;
|
||||||
|
|
||||||
|
// Make HTTP request to Telegram API
|
||||||
|
// The bot token is injected into the URL by the host
|
||||||
|
let headers = serde_json::json!({
|
||||||
|
"Content-Type": "application/json"
|
||||||
|
});
|
||||||
|
|
||||||
|
let result = channel_host::http_request(
|
||||||
|
"POST",
|
||||||
|
"https://api.telegram.org/bot{TELEGRAM_BOT_TOKEN}/sendMessage",
|
||||||
|
&headers.to_string(),
|
||||||
|
Some(&payload_bytes),
|
||||||
|
);
|
||||||
|
|
||||||
|
match result {
|
||||||
|
Ok(http_response) => {
|
||||||
|
if http_response.status != 200 {
|
||||||
|
let body_str = String::from_utf8_lossy(&http_response.body);
|
||||||
|
return Err(format!(
|
||||||
|
"Telegram API returned status {}: {}",
|
||||||
|
http_response.status, body_str
|
||||||
|
));
|
||||||
|
}
|
||||||
|
|
||||||
|
// Parse Telegram response
|
||||||
|
let api_response: TelegramApiResponse<SentMessage> =
|
||||||
|
serde_json::from_slice(&http_response.body).map_err(|e| {
|
||||||
|
format!("Failed to parse Telegram response: {}", e)
|
||||||
|
})?;
|
||||||
|
|
||||||
|
if !api_response.ok {
|
||||||
|
return Err(format!(
|
||||||
|
"Telegram API error: {}",
|
||||||
|
api_response.description.unwrap_or_else(|| "unknown".to_string())
|
||||||
|
));
|
||||||
|
}
|
||||||
|
|
||||||
|
channel_host::log(
|
||||||
|
channel_host::LogLevel::Debug,
|
||||||
|
&format!(
|
||||||
|
"Sent message to chat {}: message_id={}",
|
||||||
|
metadata.chat_id,
|
||||||
|
api_response.result.map(|r| r.message_id).unwrap_or(0)
|
||||||
|
),
|
||||||
|
);
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
Err(e) => Err(format!("HTTP request failed: {}", e)),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn on_shutdown() {
|
||||||
|
channel_host::log(channel_host::LogLevel::Info, "Telegram channel shutting down");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Update Handling
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
/// Process a Telegram update and emit messages if applicable.
|
||||||
|
fn handle_update(update: TelegramUpdate) {
|
||||||
|
// Handle regular messages
|
||||||
|
if let Some(message) = update.message {
|
||||||
|
handle_message(message);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Optionally handle edited messages the same way
|
||||||
|
if let Some(message) = update.edited_message {
|
||||||
|
handle_message(message);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Process a single message.
|
||||||
|
fn handle_message(message: TelegramMessage) {
|
||||||
|
// Skip messages without text
|
||||||
|
let text = match message.text {
|
||||||
|
Some(t) if !t.is_empty() => t,
|
||||||
|
_ => return,
|
||||||
|
};
|
||||||
|
|
||||||
|
// Skip messages without a sender (channel posts)
|
||||||
|
let from = match message.from {
|
||||||
|
Some(f) => f,
|
||||||
|
None => return,
|
||||||
|
};
|
||||||
|
|
||||||
|
// Skip bot messages to avoid loops
|
||||||
|
if from.is_bot {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
let is_private = message.chat.chat_type == "private";
|
||||||
|
|
||||||
|
// For group chats, check if the bot was mentioned
|
||||||
|
// TODO: Read bot_username from config and check mentions
|
||||||
|
// For now, process all messages in private chats and groups
|
||||||
|
if !is_private {
|
||||||
|
// In groups, only respond if there's a bot mention or command
|
||||||
|
// This is a simplified check - proper implementation would use entities
|
||||||
|
let has_command = text.starts_with('/');
|
||||||
|
let has_mention = text.contains('@');
|
||||||
|
|
||||||
|
if !has_command && !has_mention {
|
||||||
|
channel_host::log(
|
||||||
|
channel_host::LogLevel::Debug,
|
||||||
|
&format!("Ignoring group message without mention: {}", text),
|
||||||
|
);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Build user display name
|
||||||
|
let user_name = if let Some(ref last) = from.last_name {
|
||||||
|
format!("{} {}", from.first_name, last)
|
||||||
|
} else {
|
||||||
|
from.first_name.clone()
|
||||||
|
};
|
||||||
|
|
||||||
|
// Build metadata for response routing
|
||||||
|
let metadata = TelegramMessageMetadata {
|
||||||
|
chat_id: message.chat.id,
|
||||||
|
message_id: message.message_id,
|
||||||
|
user_id: from.id,
|
||||||
|
is_private,
|
||||||
|
};
|
||||||
|
|
||||||
|
let metadata_json =
|
||||||
|
serde_json::to_string(&metadata).unwrap_or_else(|_| "{}".to_string());
|
||||||
|
|
||||||
|
// Clean the message text (strip bot mentions and commands)
|
||||||
|
let cleaned_text = clean_message_text(&text);
|
||||||
|
|
||||||
|
if cleaned_text.is_empty() {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Emit the message to the agent
|
||||||
|
channel_host::emit_message(&EmittedMessage {
|
||||||
|
user_id: from.id.to_string(),
|
||||||
|
user_name: Some(user_name),
|
||||||
|
content: cleaned_text,
|
||||||
|
thread_id: None, // Telegram doesn't have threads in the same way
|
||||||
|
metadata_json,
|
||||||
|
});
|
||||||
|
|
||||||
|
channel_host::log(
|
||||||
|
channel_host::LogLevel::Debug,
|
||||||
|
&format!(
|
||||||
|
"Emitted message from user {} in chat {}",
|
||||||
|
from.id, message.chat.id
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Clean message text by removing bot commands and @mentions at the start.
|
||||||
|
fn clean_message_text(text: &str) -> String {
|
||||||
|
let mut result = text.trim().to_string();
|
||||||
|
|
||||||
|
// Remove leading /command
|
||||||
|
if result.starts_with('/') {
|
||||||
|
if let Some(space_idx) = result.find(' ') {
|
||||||
|
result = result[space_idx..].trim_start().to_string();
|
||||||
|
} else {
|
||||||
|
// Just a command with no text
|
||||||
|
return String::new();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Remove leading @mention
|
||||||
|
if result.starts_with('@') {
|
||||||
|
if let Some(space_idx) = result.find(' ') {
|
||||||
|
result = result[space_idx..].trim_start().to_string();
|
||||||
|
} else {
|
||||||
|
// Just a mention with no text
|
||||||
|
return String::new();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
result
|
||||||
|
}
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Utilities
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
/// Create a JSON HTTP response.
|
||||||
|
fn json_response(status: u16, value: serde_json::Value) -> OutgoingHttpResponse {
|
||||||
|
let body = serde_json::to_vec(&value).unwrap_or_default();
|
||||||
|
let headers = serde_json::json!({"Content-Type": "application/json"});
|
||||||
|
|
||||||
|
OutgoingHttpResponse {
|
||||||
|
status,
|
||||||
|
headers_json: headers.to_string(),
|
||||||
|
body,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Export the component
|
||||||
|
export!(TelegramChannel);
|
||||||
|
|
||||||
|
// ============================================================================
|
||||||
|
// Tests
|
||||||
|
// ============================================================================
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn test_clean_message_text() {
|
||||||
|
assert_eq!(clean_message_text("/start hello"), "hello");
|
||||||
|
assert_eq!(clean_message_text("@bot hello world"), "hello world");
|
||||||
|
assert_eq!(clean_message_text("/start"), "");
|
||||||
|
assert_eq!(clean_message_text("@botname"), "");
|
||||||
|
assert_eq!(clean_message_text("just text"), "just text");
|
||||||
|
assert_eq!(clean_message_text(" spaced "), "spaced");
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn test_parse_update() {
|
||||||
|
let json = r#"{
|
||||||
|
"update_id": 123,
|
||||||
|
"message": {
|
||||||
|
"message_id": 456,
|
||||||
|
"from": {
|
||||||
|
"id": 789,
|
||||||
|
"is_bot": false,
|
||||||
|
"first_name": "John",
|
||||||
|
"last_name": "Doe"
|
||||||
|
},
|
||||||
|
"chat": {
|
||||||
|
"id": 789,
|
||||||
|
"type": "private"
|
||||||
|
},
|
||||||
|
"text": "Hello bot"
|
||||||
|
}
|
||||||
|
}"#;
|
||||||
|
|
||||||
|
let update: TelegramUpdate = serde_json::from_str(json).unwrap();
|
||||||
|
assert_eq!(update.update_id, 123);
|
||||||
|
|
||||||
|
let message = update.message.unwrap();
|
||||||
|
assert_eq!(message.message_id, 456);
|
||||||
|
assert_eq!(message.text.unwrap(), "Hello bot");
|
||||||
|
|
||||||
|
let from = message.from.unwrap();
|
||||||
|
assert_eq!(from.id, 789);
|
||||||
|
assert_eq!(from.first_name, "John");
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,42 @@
|
|||||||
|
{
|
||||||
|
"type": "channel",
|
||||||
|
"name": "telegram",
|
||||||
|
"description": "Telegram Bot API channel for receiving and responding to Telegram messages",
|
||||||
|
"capabilities": {
|
||||||
|
"http": {
|
||||||
|
"allowlist": [
|
||||||
|
{ "host": "api.telegram.org", "path_prefix": "/bot" }
|
||||||
|
],
|
||||||
|
"credentials": {
|
||||||
|
"telegram_bot": {
|
||||||
|
"secret_name": "telegram_bot_token",
|
||||||
|
"location": { "type": "url_path", "placeholder": "{TELEGRAM_BOT_TOKEN}" },
|
||||||
|
"host_patterns": ["api.telegram.org"]
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"rate_limit": {
|
||||||
|
"requests_per_minute": 30,
|
||||||
|
"requests_per_hour": 1000
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"secrets": {
|
||||||
|
"allowed_names": ["telegram_*"]
|
||||||
|
},
|
||||||
|
"channel": {
|
||||||
|
"allowed_paths": ["/webhook/telegram"],
|
||||||
|
"allow_polling": true,
|
||||||
|
"min_poll_interval_ms": 30000,
|
||||||
|
"workspace_prefix": "channels/telegram/",
|
||||||
|
"emit_rate_limit": {
|
||||||
|
"messages_per_minute": 100,
|
||||||
|
"messages_per_hour": 5000
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"config": {
|
||||||
|
"bot_username": null,
|
||||||
|
"respond_to_all_group_messages": false,
|
||||||
|
"polling_enabled": false,
|
||||||
|
"poll_interval_ms": 30000
|
||||||
|
}
|
||||||
|
}
|
||||||
Binary file not shown.
Reference in New Issue
Block a user