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99 lines
2.7 KiB
Rust
99 lines
2.7 KiB
Rust
//! Error and Result module
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use actix_web::{
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error::{ParseError, PayloadError},
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http::StatusCode,
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ResponseError,
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};
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use derive_more::{Display, Error, From};
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/// A set of errors that can occur during parsing multipart streams.
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#[derive(Debug, Display, From, Error)]
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#[non_exhaustive]
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pub enum MultipartError {
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/// Content-Disposition header is not found or is not equal to "form-data".
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///
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/// According to [RFC 7578 §4.2](https://datatracker.ietf.org/doc/html/rfc7578#section-4.2) a
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/// Content-Disposition header must always be present and equal to "form-data".
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#[display(fmt = "No Content-Disposition `form-data` header")]
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NoContentDisposition,
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/// Content-Type header is not found
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#[display(fmt = "No Content-Type header found")]
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NoContentType,
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/// Can not parse Content-Type header
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#[display(fmt = "Can not parse Content-Type header")]
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ParseContentType,
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/// Multipart boundary is not found
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#[display(fmt = "Multipart boundary is not found")]
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Boundary,
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/// Nested multipart is not supported
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#[display(fmt = "Nested multipart is not supported")]
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Nested,
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/// Multipart stream is incomplete
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#[display(fmt = "Multipart stream is incomplete")]
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Incomplete,
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/// Error during field parsing
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#[display(fmt = "{}", _0)]
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Parse(ParseError),
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/// Payload error
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#[display(fmt = "{}", _0)]
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Payload(PayloadError),
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/// Not consumed
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#[display(fmt = "Multipart stream is not consumed")]
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NotConsumed,
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/// An error from a field handler in a form
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#[display(
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fmt = "An error occurred processing field `{}`: {}",
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field_name,
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source
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)]
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Field {
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field_name: String,
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source: actix_web::Error,
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},
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/// Duplicate field
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#[display(fmt = "Duplicate field found for: `{}`", _0)]
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#[from(ignore)]
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DuplicateField(#[error(not(source))] String),
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/// Missing field
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#[display(fmt = "Field with name `{}` is required", _0)]
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#[from(ignore)]
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MissingField(#[error(not(source))] String),
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/// Unknown field
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#[display(fmt = "Unsupported field `{}`", _0)]
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#[from(ignore)]
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UnsupportedField(#[error(not(source))] String),
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}
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/// Return `BadRequest` for `MultipartError`
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impl ResponseError for MultipartError {
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fn status_code(&self) -> StatusCode {
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match &self {
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MultipartError::Field { source, .. } => source.as_response_error().status_code(),
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_ => StatusCode::BAD_REQUEST,
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_multipart_error() {
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let resp = MultipartError::Boundary.error_response();
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assert_eq!(resp.status(), StatusCode::BAD_REQUEST);
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}
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}
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