teloxide/crates/teloxide-core/src/errors.rs
2024-08-29 00:24:22 +02:00

1052 lines
41 KiB
Rust

//! Possible error types.
use std::io;
use thiserror::Error;
use crate::types::{ChatId, ResponseParameters, Seconds};
/// An error caused by sending a request to Telegram.
#[derive(Debug, Error)]
pub enum RequestError {
/// A Telegram API error.
#[error("A Telegram's error: {0}")]
Api(#[from] ApiError),
/// The group has been migrated to a supergroup with the specified
/// identifier.
#[error("The group has been migrated to a supergroup with ID #{0}")]
MigrateToChatId(ChatId),
/// In case of exceeding flood control, the number of seconds left to wait
/// before the request can be repeated.
#[error("Retry after {0}")]
RetryAfter(Seconds),
/// Network error while sending a request to Telegram.
#[error("A network error: {0}")]
// NOTE: this variant must not be created by anything except the explicit From impl
Network(#[source] reqwest::Error),
/// Error while parsing a response from Telegram.
///
/// If you've received this error, please, [open an issue] with the
/// description of the error.
///
/// [open an issue]: https://github.com/teloxide/teloxide/issues/new
#[error("An error while parsing JSON: {source} (raw: {raw:?})")]
InvalidJson {
#[source]
source: serde_json::Error,
/// The raw string JSON that couldn't been parsed
raw: Box<str>,
},
/// Occurs when trying to send a file to Telegram.
#[error("An I/O error: {0}")]
Io(#[from] io::Error),
}
/// An error caused by downloading a file.
#[derive(Debug, Error)]
pub enum DownloadError {
/// A network error while downloading a file from Telegram.
#[error("A network error: {0}")]
// NOTE: this variant must not be created by anything except the explicit From impl
Network(#[source] reqwest::Error),
/// An I/O error while writing a file to destination.
#[error("An I/O error: {0}")]
Io(#[from] std::io::Error),
}
pub trait AsResponseParameters {
fn response_parameters(&self) -> Option<ResponseParameters>;
fn retry_after(&self) -> Option<Seconds> {
self.response_parameters().and_then(|rp| match rp {
ResponseParameters::RetryAfter(n) => Some(n),
_ => None,
})
}
fn migrate_to_chat_id(&self) -> Option<ChatId> {
self.response_parameters().and_then(|rp| match rp {
ResponseParameters::MigrateToChatId(id) => Some(id),
_ => None,
})
}
}
impl AsResponseParameters for crate::RequestError {
fn response_parameters(&self) -> Option<ResponseParameters> {
match *self {
Self::RetryAfter(n) => Some(ResponseParameters::RetryAfter(n)),
Self::MigrateToChatId(id) => Some(ResponseParameters::MigrateToChatId(id)),
_ => None,
}
}
}
macro_rules! impl_api_error {
(
$( #[$meta:meta] )*
$vis:vis enum $ident:ident {
$(
$( #[$var_meta:meta] )*
$var_name:ident $( ($var_inner:ty) )? = $var_string:literal $(with $var_parser:expr)?
),*
}
) => {
$(#[$meta])*
#[derive(Error)]
$vis enum $ident {
$(
$(#[$var_meta])*
#[error($var_string)]
$var_name $(($var_inner))*,
)*
}
const _: () = {
struct Visitor;
impl<'de> ::serde::de::Visitor<'de> for Visitor {
type Value = $ident;
fn expecting(&self, formatter: &mut core::fmt::Formatter) -> core::fmt::Result {
formatter.write_str("telegram api error string")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: ::serde::de::Error,
{
$(impl_api_error!(@de v, $var_name $( ($var_inner) )?, $var_string $(, $var_parser)*);)*
Err(E::unknown_variant(v, &[]))
}
}
impl<'de> ::serde::de::Deserialize<'de> for $ident {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: ::serde::de::Deserializer<'de>,
{
deserializer.deserialize_str(Visitor)
}
}
};
};
(@de $value:ident, $variant:ident, $val:literal) => {
if $value == $val {
return Ok(Self::Value::$variant)
}
};
(@de $value:ident, $variant:ident ($var_inner:ty), $val:literal, $block:expr) => {
#[allow(clippy::redundant_closure_call)]
match $block($value) {
Some(data) => return Ok(Self::Value::$variant(data)),
_ => {}
}
};
(@de $value:ident, $variant:ident, $val:literal, $block:expr) => {
#[allow(clippy::redundant_closure_call)]
if $block($value) {
return Ok(Self::Value::$variant);
}
};
}
impl_api_error! {
/// A kind of an API error.
#[derive(Debug, PartialEq, Hash, Eq, Clone)]
#[non_exhaustive]
pub enum ApiError {
/// Occurs when the bot tries to send message to user who blocked the bot.
BotBlocked = "Forbidden: bot was blocked by the user",
/// Occurs when the bot token is invalid.
// N.B. These errors are actually slightly different, "Unauthorized" is when the bot token
// is formatted mostly right, but is incorrect, whereas "Not Found" is when the url is
// not handled by TBA at all. From user POV both of those are "token is invalid", but
// there might be some cases where this is not right...
InvalidToken = "Invalid bot token" with |text: &str| text == "Unauthorized" || text == "Not Found",
/// Occurs when bot tries to modify a message without modification content.
///
/// May happen in methods:
/// 1. [`EditMessageText`]
///
/// [`EditMessageText`]: crate::payloads::EditMessageText
MessageNotModified = "Bad Request: message is not modified: specified new message content and reply markup are \
exactly the same as a current content and reply markup of the message",
/// Occurs when bot tries to forward or delete a message which was deleted.
///
/// May happen in methods:
/// 1. [`ForwardMessage`]
/// 2. [`DeleteMessage`]
///
/// [`ForwardMessage`]: crate::payloads::ForwardMessage
/// [`DeleteMessage`]: crate::payloads::DeleteMessage
MessageIdInvalid = "Bad Request: MESSAGE_ID_INVALID",
/// Occurs when bot tries to forward a message which does not exists.
///
/// May happen in methods:
/// 1. [`ForwardMessage`]
///
/// [`ForwardMessage`]: crate::payloads::ForwardMessage
MessageToForwardNotFound = "Bad Request: message to forward not found",
/// Occurs when bot tries to delete a message which does not exists.
///
/// May happen in methods:
/// 1. [`DeleteMessage`]
///
/// [`DeleteMessage`]: crate::payloads::DeleteMessage
MessageToDeleteNotFound = "Bad Request: message to delete not found",
/// Occurs when bot tries to copy a message which does not exists.
/// May happen in methods:
/// 1. [`CopyMessage`]
///
/// [`CopyMessage`]: crate::payloads::CopyMessage
MessageToCopyNotFound = "Bad Request: message to copy not found",
/// Occurs when bot tries to send a text message without text.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
MessageTextIsEmpty = "Bad Request: message text is empty",
/// Occurs when bot tries to edit a message after long time.
///
/// May happen in methods:
/// 1. [`EditMessageText`]
///
/// [`EditMessageText`]: crate::payloads::EditMessageText
MessageCantBeEdited = "Bad Request: message can't be edited",
/// Occurs when bot tries to delete a someone else's message in group where
/// it does not have enough rights.
///
/// May happen in methods:
/// 1. [`DeleteMessage`]
///
/// [`DeleteMessage`]: crate::payloads::DeleteMessage
MessageCantBeDeleted = "Bad Request: message can't be deleted",
/// Occurs when bot tries to edit a message which does not exists.
///
/// May happen in methods:
/// 1. [`EditMessageText`]
///
/// [`EditMessageText`]: crate::payloads::EditMessageText
MessageToEditNotFound = "Bad Request: message to edit not found",
/// Occurs when bot tries to reply to a message which does not exists.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
MessageToReplyNotFound = "Bad Request: reply message not found",
/// Occurs when bot tries to
MessageIdentifierNotSpecified = "Bad Request: message identifier is not specified",
/// Occurs when bot tries to send a message with text size greater then
/// 4096 symbols.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
MessageIsTooLong = "Bad Request: message is too long",
/// Occurs when bot tries to edit a message with text size greater then
/// 4096 symbols.
///
/// May happen in methods:
/// 1. [`EditMessageText`]
/// 2. [`EditMessageTextInline`]
/// 3. [`EditMessageCaption`]
/// 4. [`EditMessageCaptionInline`]
///
/// [`EditMessageText`]: crate::payloads::EditMessageText
/// [`EditMessageTextInline`]: crate::payloads::EditMessageTextInline
/// [`EditMessageCaption`]: crate::payloads::EditMessageCaption
/// [`EditMessageCaptionInline`]: crate::payloads::EditMessageCaptionInline
EditedMessageIsTooLong = "Bad Request: MESSAGE_TOO_LONG",
/// Occurs when bot tries to send media group with more than 10 items.
///
/// May happen in methods:
/// 1. [`SendMediaGroup`]
///
/// [`SendMediaGroup`]: crate::payloads::SendMediaGroup
TooMuchMessages = "Bad Request: Too much messages to send as an album",
/// Occurs when bot tries to answer an inline query with more than 50
/// results.
///
/// Consider using offsets to paginate results.
///
/// May happen in methods:
/// 1. [`AnswerInlineQuery`]
///
/// [`AnswerInlineQuery`]: crate::payloads::AnswerInlineQuery
TooMuchInlineQueryResults = "Bad Request: RESULTS_TOO_MUCH",
/// Occurs when bot tries to stop poll that has already been stopped.
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollHasAlreadyClosed = "Bad Request: poll has already been closed",
/// Occurs when bot tries to send poll with less than 2 options.
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollMustHaveMoreOptions = "Bad Request: poll must have at least 2 option",
/// Occurs when bot tries to send poll with more than 10 options.
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollCantHaveMoreOptions = "Bad Request: poll can't have more than 10 options",
/// Occurs when bot tries to send poll with empty option (without text).
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollOptionsMustBeNonEmpty = "Bad Request: poll options must be non-empty",
/// Occurs when bot tries to send poll with empty question (without text).
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollQuestionMustBeNonEmpty = "Bad Request: poll question must be non-empty",
/// Occurs when bot tries to send poll with total size of options more than
/// 100 symbols.
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollOptionsLengthTooLong = "Bad Request: poll options length must not exceed 100",
/// Occurs when bot tries to send poll with question size more than 255
/// symbols.
///
/// May happen in methods:
/// 1. [`SendPoll`]
///
/// [`SendPoll`]: crate::payloads::SendPoll
PollQuestionLengthTooLong = "Bad Request: poll question length must not exceed 255",
/// Occurs when bot tries to stop poll with message without poll.
///
/// May happen in methods:
/// 1. [`StopPoll`]
///
/// [`StopPoll`]: crate::payloads::StopPoll
MessageWithPollNotFound = "Bad Request: message with poll to stop not found",
/// Occurs when bot tries to stop poll with message without poll.
///
/// May happen in methods:
/// 1. [`StopPoll`]
///
/// [`StopPoll`]: crate::payloads::StopPoll
MessageIsNotAPoll = "Bad Request: message is not a poll",
/// Occurs when bot tries to send a message to chat in which it is not a
/// member.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
ChatNotFound = "Bad Request: chat not found",
/// Occurs when bot tries to send method with unknown user_id.
///
/// May happen in methods:
/// 1. [`getUserProfilePhotos`]
///
/// [`getUserProfilePhotos`]:
/// crate::payloads::GetUserProfilePhotos
UserNotFound = "Bad Request: user not found",
/// Occurs when bot tries to send [`SetChatDescription`] with same text as
/// in the current description.
///
/// May happen in methods:
/// 1. [`SetChatDescription`]
///
/// [`SetChatDescription`]: crate::payloads::SetChatDescription
ChatDescriptionIsNotModified = "Bad Request: chat description is not modified",
/// Occurs when bot tries to answer to query after timeout expire.
///
/// May happen in methods:
/// 1. [`AnswerCallbackQuery`]
///
/// [`AnswerCallbackQuery`]: crate::payloads::AnswerCallbackQuery
InvalidQueryId = "Bad Request: query is too old and response timeout expired or query id is invalid",
/// Occurs when bot tries to send InlineKeyboardMarkup with invalid button
/// url.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
ButtonUrlInvalid = "Bad Request: BUTTON_URL_INVALID",
/// Occurs when bot tries to send button with data size more than 64 bytes.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
ButtonDataInvalid = "Bad Request: BUTTON_DATA_INVALID",
/// Occurs when bot tries to send button with data size == 0.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
TextButtonsAreUnallowed = "Bad Request: can't parse inline keyboard button: Text buttons are unallowed in the \
inline keyboard",
/// Occurs when bot tries to get file by wrong file id.
///
/// May happen in methods:
/// 1. [`GetFile`]
///
/// [`GetFile`]: crate::payloads::GetFile
WrongFileId = "Bad Request: wrong file id",
/// Occurs when bot tries to send files with wrong file identifier or HTTP
/// url
WrongFileIdOrUrl = "Bad Request: wrong file identifier/HTTP URL specified",
/// Occurs when When sending files with an url to a site that doesn't
/// respond.
FailedToGetUrlContent = "Bad Request: failed to get HTTP URL content",
/// Occurs when bot tries to do some with group which was deactivated.
GroupDeactivated = "Bad Request: group is deactivated",
/// Occurs when image processing fails on telegram's side.
///
/// This is likely caused by an incorrectly encoded image, make sure that
/// the image is correctly encoded in a format telegram accepts.
ImageProcessFailed = "Bad Request: IMAGE_PROCESS_FAILED",
/// Occurs when bot tries to set chat photo from file ID
///
/// May happen in methods:
/// 1. [`SetChatPhoto`]
///
/// [`SetChatPhoto`]: crate::payloads::SetChatPhoto
PhotoAsInputFileRequired = "Bad Request: Photo should be uploaded as an InputFile",
/// Occurs when bot tries to add sticker to stickerset by invalid name.
///
/// May happen in methods:
/// 1. [`AddStickerToSet`]
///
/// [`AddStickerToSet`]: crate::payloads::AddStickerToSet
InvalidStickersSet = "Bad Request: STICKERSET_INVALID",
/// Occurs when bot tries to create a sticker set with a name that is
/// already used by another sticker set.
///
/// May happen in methods:
/// 1. [`CreateNewStickerSet`]
///
/// [`CreateNewStickerSet`]: crate::payloads::CreateNewStickerSet
StickerSetNameOccupied = "Bad Request: sticker set name is already occupied",
/// Occurs when bot tries to create a sticker set with user id of a bot.
///
/// May happen in methods:
/// 1. [`CreateNewStickerSet`]
///
/// [`CreateNewStickerSet`]: crate::payloads::CreateNewStickerSet
StickerSetOwnerIsBot = "Bad Request: USER_IS_BOT",
/// Occurs when bot tries to create a sticker set with invalid name.
///
/// From documentation of [`CreateNewStickerSet`]:
/// > Short name of sticker set, to be used in `t.me/addstickers/` URLs
/// (e.g., _animals_). Can contain only english letters, digits and
/// underscores. Must begin with a letter, can't contain consecutive
/// underscores and must end in “\_by\_<bot\_username>”. <bot\_username>
/// is case insensitive. 1-64 characters.
///
/// May happen in methods:
/// 1. [`CreateNewStickerSet`]
///
/// [`CreateNewStickerSet`]: crate::payloads::CreateNewStickerSet
InvalidStickerName = "Bad Request: invalid sticker set name is specified",
/// Occurs when bot tries to pin a message without rights to pin in this
/// chat.
///
/// May happen in methods:
/// 1. [`PinChatMessage`]
///
/// [`PinChatMessage`]: crate::payloads::PinChatMessage
NotEnoughRightsToPinMessage = "Bad Request: not enough rights to pin a message",
/// Occurs when bot tries to pin or unpin a message without rights to pin
/// in this chat.
///
/// May happen in methods:
/// 1. [`PinChatMessage`]
/// 2. [`UnpinChatMessage`]
///
/// [`PinChatMessage`]: crate::payloads::PinChatMessage
/// [`UnpinChatMessage`]: crate::payloads::UnpinChatMessage
NotEnoughRightsToManagePins = "Bad Request: not enough rights to manage pinned messages in the chat",
/// Occurs when bot tries change default chat permissions without "Ban
/// Users" permission in this chat.
///
/// May happen in methods:
/// 1. [`SetChatPermissions`]
///
/// [`SetChatPermissions`]: crate::payloads::SetChatPermissions
NotEnoughRightsToChangeChatPermissions = "Bad Request: not enough rights to change chat permissions",
/// Occurs when bot tries to use method in group which is allowed only in a
/// supergroup or channel.
MethodNotAvailableInPrivateChats = "Bad Request: method is available only for supergroups and channel",
/// Occurs when bot tries to demote chat creator.
///
/// May happen in methods:
/// 1. [`PromoteChatMember`]
///
/// [`PromoteChatMember`]: crate::payloads::PromoteChatMember
CantDemoteChatCreator = "Bad Request: can't demote chat creator",
/// Occurs when bot tries to restrict self in group chats.
///
/// May happen in methods:
/// 1. [`RestrictChatMember`]
///
/// [`RestrictChatMember`]: crate::payloads::RestrictChatMember
CantRestrictSelf = "Bad Request: can't restrict self",
/// Occurs when bot tries to restrict chat member without rights to
/// restrict in this chat.
///
/// May happen in methods:
/// 1. [`RestrictChatMember`]
///
/// [`RestrictChatMember`]: crate::payloads::RestrictChatMember
NotEnoughRightsToRestrict = "Bad Request: not enough rights to restrict/unrestrict chat member",
/// Occurs when bot tries to post a message in a channel without "Post
/// Messages" admin right.
NotEnoughRightsToPostMessages = "Bad Request: need administrator rights in the channel chat",
/// Occurs when bot tries set webhook to protocol other than HTTPS.
///
/// May happen in methods:
/// 1. [`SetWebhook`]
///
/// [`SetWebhook`]: crate::payloads::SetWebhook
WebhookRequireHttps = "Bad Request: bad webhook: HTTPS url must be provided for webhook",
/// Occurs when bot tries to set webhook to port other than 80, 88, 443 or
/// 8443.
///
/// May happen in methods:
/// 1. [`SetWebhook`]
///
/// [`SetWebhook`]: crate::payloads::SetWebhook
BadWebhookPort = "Bad Request: bad webhook: Webhook can be set up only on ports 80, 88, 443 or 8443",
/// Occurs when bot tries to set webhook to unknown host.
///
/// May happen in methods:
/// 1. [`SetWebhook`]
///
/// [`SetWebhook`]: crate::payloads::SetWebhook
UnknownHost = "Bad Request: bad webhook: Failed to resolve host: Name or service not known",
/// Occurs when bot tries to set webhook to invalid URL.
///
/// May happen in methods:
/// 1. [`SetWebhook`]
///
/// [`SetWebhook`]: crate::payloads::SetWebhook
CantParseUrl = "Bad Request: can't parse URL",
/// Occurs when bot tries to send message with unfinished entities.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
CantParseEntities(String) = "{0}" with |text: &str| {
if text.starts_with("Bad Request: can't parse entities") {
Some(text.to_owned())
} else {
None
}
},
/// Occurs when bot tries to use getUpdates while webhook is active.
///
/// May happen in methods:
/// 1. [`GetUpdates`]
///
/// [`GetUpdates`]: crate::payloads::GetUpdates
CantGetUpdates = "can't use getUpdates method while webhook is active",
/// Occurs when bot tries to do some in group where bot was kicked.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
BotKicked = "Unauthorized: bot was kicked from a chat",
/// Occurs when bot tries to do something in a supergroup the bot was
/// kicked from.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
BotKickedFromSupergroup = "Forbidden: bot was kicked from the supergroup chat",
/// Occurs when bot tries to do something in a channel the bot was
/// kicked from.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
BotKickedFromChannel = "Forbidden: bot was kicked from the channel chat",
/// Occurs when bot tries to send a message to a deactivated user (i.e. a
/// user that was banned by telegram).
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
UserDeactivated = "Forbidden: user is deactivated",
/// Occurs when you tries to initiate conversation with a user.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
CantInitiateConversation = "Unauthorized: bot can't initiate conversation with a user",
/// Occurs when you tries to send message to bot.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
CantTalkWithBots = "Unauthorized: bot can't send messages to bots",
/// Occurs when bot tries to send button with invalid http url.
///
/// May happen in methods:
/// 1. [`SendMessage`]
///
/// [`SendMessage`]: crate::payloads::SendMessage
WrongHttpUrl = "Bad Request: wrong HTTP URL",
/// Occurs when multiple [`GetUpdates`] calls happen at the same time.
///
/// This can happen if
/// 1. You are running multiple bot instances
/// 2. You are running multiple update consumers (like `Dispatcher` or `repl`)
/// 3. You are calling [`GetUpdates`] yourself and the second call is done before the first one finishes
///
/// May happen in methods:
/// 1. [`GetUpdates`]
///
/// [`GetUpdates`]: crate::payloads::GetUpdates
TerminatedByOtherGetUpdates = "Conflict: terminated by other getUpdates request; make sure that only one bot instance \
is running",
/// Occurs when bot tries to get file by invalid file id.
///
/// May happen in methods:
/// 1. [`GetFile`]
///
/// [`GetFile`]: crate::payloads::GetFile
FileIdInvalid = "Bad Request: invalid file id",
/// Occurs when bot tries to upload a file which is larger than 50 MB using
/// multipart/form-data.
///
/// May happen in methods:
/// 1. [`SendVideo`]
/// 2. [`SendDocument`]
///
/// [`SendVideo`]: crate::payloads::SendVideo
/// [`SendDocument`]: crate::payloads::SendDocument
RequestEntityTooLarge = "Request Entity Too Large",
/// Error which is not known to `teloxide`.
///
/// If you've received this error, please [open an issue] with the
/// description of the error.
///
/// [open an issue]: https://github.com/teloxide/teloxide/issues/new
Unknown(String) = "Unknown error: {0:?}" with |text: &str| Some(text.to_owned())
}
}
/// This impl allows to use `?` to propagate [`DownloadError`]s in function
/// returning [`RequestError`]s. For example:
///
/// ```rust
/// # use teloxide_core::errors::{DownloadError, RequestError};
///
/// async fn handler() -> Result<(), RequestError> {
/// download_file().await?; // `?` just works
///
/// Ok(())
/// }
///
/// async fn download_file() -> Result<(), DownloadError> {
/// /* download file here */
/// Ok(())
/// }
/// ```
impl From<DownloadError> for RequestError {
fn from(download_err: DownloadError) -> Self {
match download_err {
DownloadError::Network(err) => RequestError::Network(err),
DownloadError::Io(err) => RequestError::Io(err),
}
}
}
impl From<reqwest::Error> for DownloadError {
fn from(error: reqwest::Error) -> Self {
DownloadError::Network(hide_token(error))
}
}
impl From<reqwest::Error> for RequestError {
fn from(error: reqwest::Error) -> Self {
RequestError::Network(hide_token(error))
}
}
/// Replaces token in the url in the error with `token:redacted` string.
pub(crate) fn hide_token(mut error: reqwest::Error) -> reqwest::Error {
let url = match error.url_mut() {
Some(url) => url,
None => return error,
};
if let Some(mut segments) = url.path_segments() {
// Usually the url looks like "bot<token>/..." or "file/bot<token>/...".
let (beginning, segment) = match segments.next() {
Some("file") => ("file/", segments.next()),
segment => ("", segment),
};
if let Some(token) = segment.and_then(|s| s.strip_prefix("bot")) {
// make sure that what we are about to delete looks like a bot token
if let Some((id, secret)) = token.split_once(':') {
// The part before the : in the token is the id of the bot.
let id_character = |c: char| c.is_ascii_digit();
// The part after the : in the token is the secret.
//
// In all bot tokens we could find the secret is 35 characters long and is
// 0-9a-zA-Z_- only.
//
// It would be nice to research if TBA always has 35 character secrets or if it
// is just a coincidence.
const SECRET_LENGTH: usize = 35;
let secret_character = |c: char| c.is_ascii_alphanumeric() || c == '-' || c == '_';
if secret.len() >= SECRET_LENGTH
&& id.chars().all(id_character)
&& secret.chars().all(secret_character)
{
// found token, hide only the token
let without_token =
&url.path()[(beginning.len() + "/bot".len() + token.len())..];
let redacted = format!("{beginning}token:redacted{without_token}");
url.set_path(&redacted);
return error;
}
}
}
}
// couldn't find token in the url, hide the whole url
error.without_url()
}
#[cfg(test)]
mod tests {
#[test]
fn custom_result() {
use super::ApiError;
use serde::Deserialize;
let cases = &[
("{\"data\": \"Forbidden: bot was blocked by the user\"}", ApiError::BotBlocked),
("{\"data\": \"Unauthorized\"}", ApiError::InvalidToken),
("{\"data\": \"Not Found\"}", ApiError::InvalidToken),
(
"{\"data\": \"Bad Request: message is not modified: specified new message content \
and reply markup are exactly the same as a current content and reply markup of \
the message\"}",
ApiError::MessageNotModified,
),
("{\"data\": \"Bad Request: MESSAGE_ID_INVALID\"}", ApiError::MessageIdInvalid),
(
"{\"data\": \"Bad Request: message to forward not found\"}",
ApiError::MessageToForwardNotFound,
),
(
"{\"data\": \"Bad Request: message to delete not found\"}",
ApiError::MessageToDeleteNotFound,
),
(
"{\"data\": \"Bad Request: message to copy not found\"}",
ApiError::MessageToCopyNotFound,
),
("{\"data\": \"Bad Request: message text is empty\"}", ApiError::MessageTextIsEmpty),
("{\"data\": \"Bad Request: message can't be edited\"}", ApiError::MessageCantBeEdited),
(
"{\"data\": \"Bad Request: message can't be deleted\"}",
ApiError::MessageCantBeDeleted,
),
(
"{\"data\": \"Bad Request: message to edit not found\"}",
ApiError::MessageToEditNotFound,
),
(
"{\"data\": \"Bad Request: reply message not found\"}",
ApiError::MessageToReplyNotFound,
),
(
"{\"data\": \"Bad Request: message identifier is not specified\"}",
ApiError::MessageIdentifierNotSpecified,
),
("{\"data\": \"Bad Request: message is too long\"}", ApiError::MessageIsTooLong),
("{\"data\": \"Bad Request: MESSAGE_TOO_LONG\"}", ApiError::EditedMessageIsTooLong),
(
"{\"data\": \"Bad Request: Too much messages to send as an album\"}",
ApiError::TooMuchMessages,
),
("{\"data\": \"Bad Request: RESULTS_TOO_MUCH\"}", ApiError::TooMuchInlineQueryResults),
(
"{\"data\": \"Bad Request: poll has already been closed\"}",
ApiError::PollHasAlreadyClosed,
),
(
"{\"data\": \"Bad Request: poll must have at least 2 option\"}",
ApiError::PollMustHaveMoreOptions,
),
(
"{\"data\": \"Bad Request: poll can't have more than 10 options\"}",
ApiError::PollCantHaveMoreOptions,
),
(
"{\"data\": \"Bad Request: poll options must be non-empty\"}",
ApiError::PollOptionsMustBeNonEmpty,
),
(
"{\"data\": \"Bad Request: poll question must be non-empty\"}",
ApiError::PollQuestionMustBeNonEmpty,
),
(
"{\"data\": \"Bad Request: poll options length must not exceed 100\"}",
ApiError::PollOptionsLengthTooLong,
),
(
"{\"data\": \"Bad Request: poll question length must not exceed 255\"}",
ApiError::PollQuestionLengthTooLong,
),
(
"{\"data\": \"Bad Request: message with poll to stop not found\"}",
ApiError::MessageWithPollNotFound,
),
("{\"data\": \"Bad Request: message is not a poll\"}", ApiError::MessageIsNotAPoll),
("{\"data\": \"Bad Request: chat not found\"}", ApiError::ChatNotFound),
("{\"data\": \"Bad Request: user not found\"}", ApiError::UserNotFound),
(
"{\"data\": \"Bad Request: chat description is not modified\"}",
ApiError::ChatDescriptionIsNotModified,
),
(
"{\"data\": \"Bad Request: query is too old and response timeout expired or query \
id is invalid\"}",
ApiError::InvalidQueryId,
),
("{\"data\": \"Bad Request: BUTTON_URL_INVALID\"}", ApiError::ButtonUrlInvalid),
("{\"data\": \"Bad Request: BUTTON_DATA_INVALID\"}", ApiError::ButtonDataInvalid),
(
"{\"data\": \"Bad Request: can't parse inline keyboard button: Text buttons are \
unallowed in the inline keyboard\"}",
ApiError::TextButtonsAreUnallowed,
),
("{\"data\": \"Bad Request: wrong file id\"}", ApiError::WrongFileId),
(
"{\"data\": \"Bad Request: wrong file identifier/HTTP URL specified\"}",
ApiError::WrongFileIdOrUrl,
),
(
"{\"data\": \"Bad Request: failed to get HTTP URL content\"}",
ApiError::FailedToGetUrlContent,
),
("{\"data\": \"Bad Request: group is deactivated\"}", ApiError::GroupDeactivated),
("{\"data\": \"Bad Request: IMAGE_PROCESS_FAILED\"}", ApiError::ImageProcessFailed),
(
"{\"data\": \"Bad Request: Photo should be uploaded as an InputFile\"}",
ApiError::PhotoAsInputFileRequired,
),
("{\"data\": \"Bad Request: STICKERSET_INVALID\"}", ApiError::InvalidStickersSet),
(
"{\"data\": \"Bad Request: sticker set name is already occupied\"}",
ApiError::StickerSetNameOccupied,
),
("{\"data\": \"Bad Request: USER_IS_BOT\"}", ApiError::StickerSetOwnerIsBot),
(
"{\"data\": \"Bad Request: invalid sticker set name is specified\"}",
ApiError::InvalidStickerName,
),
(
"{\"data\": \"Bad Request: not enough rights to pin a message\"}",
ApiError::NotEnoughRightsToPinMessage,
),
(
"{\"data\": \"Bad Request: not enough rights to manage pinned messages in the \
chat\"}",
ApiError::NotEnoughRightsToManagePins,
),
(
"{\"data\": \"Bad Request: not enough rights to change chat permissions\"}",
ApiError::NotEnoughRightsToChangeChatPermissions,
),
(
"{\"data\": \"Bad Request: method is available only for supergroups and channel\"}",
ApiError::MethodNotAvailableInPrivateChats,
),
(
"{\"data\": \"Bad Request: can't demote chat creator\"}",
ApiError::CantDemoteChatCreator,
),
("{\"data\": \"Bad Request: can't restrict self\"}", ApiError::CantRestrictSelf),
(
"{\"data\": \"Bad Request: not enough rights to restrict/unrestrict chat member\"}",
ApiError::NotEnoughRightsToRestrict,
),
(
"{\"data\": \"Bad Request: need administrator rights in the channel chat\"}",
ApiError::NotEnoughRightsToPostMessages,
),
(
"{\"data\": \"Bad Request: bad webhook: HTTPS url must be provided for webhook\"}",
ApiError::WebhookRequireHttps,
),
(
"{\"data\": \"Bad Request: bad webhook: Webhook can be set up only on ports 80, \
88, 443 or 8443\"}",
ApiError::BadWebhookPort,
),
(
"{\"data\": \"Bad Request: bad webhook: Failed to resolve host: Name or service \
not known\"}",
ApiError::UnknownHost,
),
("{\"data\": \"Bad Request: can't parse URL\"}", ApiError::CantParseUrl),
(
"{\"data\": \"Bad Request: can't parse entities: SomeRandomString\"}",
ApiError::CantParseEntities(
"Bad Request: can't parse entities: SomeRandomString".to_owned(),
),
),
(
"{\"data\": \"can't use getUpdates method while webhook is active\"}",
ApiError::CantGetUpdates,
),
("{\"data\": \"Unauthorized: bot was kicked from a chat\"}", ApiError::BotKicked),
(
"{\"data\": \"Forbidden: bot was kicked from the supergroup chat\"}",
ApiError::BotKickedFromSupergroup,
),
("{\"data\": \"Forbidden: user is deactivated\"}", ApiError::UserDeactivated),
(
"{\"data\": \"Unauthorized: bot can't initiate conversation with a user\"}",
ApiError::CantInitiateConversation,
),
(
"{\"data\": \"Unauthorized: bot can't send messages to bots\"}",
ApiError::CantTalkWithBots,
),
("{\"data\": \"Bad Request: wrong HTTP URL\"}", ApiError::WrongHttpUrl),
(
"{\"data\": \"Conflict: terminated by other getUpdates request; make sure that \
only one bot instance is running\"}",
ApiError::TerminatedByOtherGetUpdates,
),
("{\"data\": \"Bad Request: invalid file id\"}", ApiError::FileIdInvalid),
("{\"data\": \"Request Entity Too Large\"}", ApiError::RequestEntityTooLarge),
("{\"data\": \"RandomError\"}", ApiError::Unknown("RandomError".to_string())),
];
#[derive(Deserialize, Debug)]
struct Res<T> {
data: T,
}
for (data, expected) in cases {
let raw = serde_json::from_str::<Res<String>>(data).unwrap().data;
let parsed = serde_json::from_str::<Res<ApiError>>(data).unwrap().data;
assert_eq!(&parsed, expected);
let expected_error_message = match parsed {
ApiError::Unknown(_) => {
format!("Unknown error: \"{raw}\"")
}
ApiError::InvalidToken => "Invalid bot token".to_owned(),
_ => raw,
};
assert_eq!(parsed.to_string(), expected_error_message);
}
}
}