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Enforcing nonces #14

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Enforcing nonces #14

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696bb1f
feat: enforcing rudimentary nonces
Baumple Jun 7, 2024
ddda945
Enforcing rudimentary nonces
Baumple Jun 7, 2024
3537893
removed unecessary imports
Baumple Jun 7, 2024
30b9e32
fix: capped maximum length of nonce to 25
Baumple Jun 8, 2024
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22 changes: 19 additions & 3 deletions src/glyph/clients/bot.gleam
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,19 @@

import gleam/erlang/process
import gleam/int
import gleam/string
import gleam/json
import gleam/list
import gleam/result
import gleam/otp/supervisor
import glyph/models/discord.{type BotClient, type GatewayIntent}
import gleam/result
import gleam/option.{Some}
import glyph/internal/cache
import glyph/internal/encoders
import glyph/internal/decoders
import glyph/internal/encoders
import glyph/internal/network/gateway
import glyph/internal/network/rest
import glyph/models/discord.{type BotClient, type GatewayIntent}
import prng/random

/// Generic bot error
pub type BotError {
Expand Down Expand Up @@ -112,11 +115,24 @@ fn get_gateway_info(bot: BotClient) -> Result(discord.GetGatewayBot, BotError) {
Ok(gateway_info)
}

fn generate_nonce() -> String {
random.int(random.min_int, random.max_int)
|> random.random_sample
|> int.to_string
|> string.slice(at_index: 0, length: 25)
}

/// Send a message to a channel.
///
/// For constructing a message, see [the message builder](https://hexdocs.pm/glyph/glyph/builders/message.html).
/// For constructing an embed, see [the embed builder](https://hexdocs.pm/glyph/glyph/builders/embed.html).
pub fn send(bot: BotClient, channel_id: String, message: discord.MessagePayload) {
let message =
discord.MessagePayload(
..message,
nonce: Some(generate_nonce()),
enforce_nonce: Some(True),
)
let message_json = encoders.message_to_json(message)
let endpoint = "/channels/" <> channel_id <> "/messages"

Expand Down