rustyroad 1.7.4

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
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use super::error::MigrationValidationError;
use super::identity::{DATABASE_PREFIX, USER_PREFIX};

pub(super) fn database(name: &str) -> Result<(), MigrationValidationError> {
    identifier(name, DATABASE_PREFIX, "database")
}

pub(super) fn user(name: &str) -> Result<(), MigrationValidationError> {
    identifier(name, USER_PREFIX, "user")
}

pub(super) fn password(value: &str) -> Result<(), MigrationValidationError> {
    if value.len() >= 32
        && value
            .chars()
            .all(|character| character.is_ascii_alphanumeric())
    {
        return Ok(());
    }
    Err(MigrationValidationError::new(
        "Refusing to use an unsafe validation database password",
    ))
}

fn identifier(value: &str, prefix: &str, kind: &str) -> Result<(), MigrationValidationError> {
    let characters_are_safe = value.chars().all(|character| {
        character.is_ascii_lowercase() || character.is_ascii_digit() || character == '_'
    });
    if value.starts_with(prefix) && value.len() > prefix.len() && characters_are_safe {
        return Ok(());
    }
    Err(MigrationValidationError::new(format!(
        "Refusing to create or drop unsafe validation {kind} name '{value}'"
    )))
}