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use failure::Fail;
#[derive(Debug, Fail)]
pub enum ContextualError {
/// Fully customized errors, not inheriting from any error
#[fail(display = "{}", _0)]
CustomError(String),
/// Any kind of IO errors
#[fail(display = "{}\ncaused by: {}", _0, _1)]
IoError(String, std::io::Error),
/// MultipartError, which might occur during file upload, when processing the multipart request fails
#[fail(display = "Failed to process multipart request\ncaused by: {}", _0)]
MultipartError(actix_multipart::MultipartError),
/// Any error related to an invalid path (failed to retrieve entry name, unexpected entry type, etc)
#[fail(display = "Invalid path\ncaused by: {}", _0)]
InvalidPathError(String),
/// This error might occur if the HTTP credential string does not respect the expected format
#[fail(
display = "Invalid format for credentials string. Expected username:password, username:sha256:hash or username:sha512:hash"
)]
InvalidAuthFormat,
/// This error might occure if the hash method is neither sha256 nor sha512
#[fail(
display = "{} is not a valid hashing method. Expected sha256 or sha512",
_0
)]
InvalidHashMethod(String),
/// This error might occur if the HTTP auth hash password is not a valid hex code
#[fail(display = "Invalid format for password hash. Expected hex code")]
InvalidPasswordHash,
/// This error might occur if the HTTP auth password exceeds 255 characters
#[fail(display = "HTTP password length exceeds 255 characters")]
PasswordTooLongError,
/// This error might occur if the user has unsufficient permissions to create an entry in a given directory
#[fail(display = "Insufficient permissions to create file in {}", _0)]
InsufficientPermissionsError(String),
/// Any error related to parsing.
#[fail(display = "Failed to parse {}\ncaused by: {}", _0, _1)]
ParseError(String, String),
/// This error might occur when the creation of an archive fails
#[fail(
display = "An error occured while creating the {}\ncaused by: {}",
_0, _1
)]
ArchiveCreationError(String, Box<ContextualError>),
/// This error might occur when the HTTP authentication fails
#[fail(
display = "An error occured during HTTP authentication\ncaused by: {}",
_0
)]
HttpAuthenticationError(Box<ContextualError>),
/// This error might occur when the HTTP credentials are not correct
#[fail(display = "Invalid credentials for HTTP authentication")]
InvalidHttpCredentials,
/// This error might occur when an HTTP request is invalid
#[fail(display = "Invalid HTTP request\ncaused by: {}", _0)]
InvalidHttpRequestError(String),
/// This error might occur when trying to access a page that does not exist
#[fail(display = "Route {} could not be found", _0)]
RouteNotFoundError(String),
}
pub fn log_error_chain(description: String) {
for cause in description.lines() {
log::error!("{}", cause);
}
}
/// This makes creating CustomErrors easier
impl From<String> for ContextualError {
fn from(msg: String) -> ContextualError {
ContextualError::CustomError(msg)
}
}
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