canic-core 0.100.0

Canic — a canister orchestration and management toolkit for the Internet Computer
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

//! Module: config::validation::app
//!
//! Responsibility: validate App identity, mode and whitelist configuration.
//! Does not own: app runtime state, access checks, or schema definitions.
//! Boundary: config validation calls this before runtime installation.

use crate::{
    cdk::candid::Principal,
    config::schema::{
        AppConfig, AppNameIssue, ConfigSchemaError, Validate, Whitelist, validate_app_name,
    },
};

impl Validate for AppConfig {
    fn validate(&self) -> Result<(), ConfigSchemaError> {
        let name = self.name.as_str();
        if let Err(issue) = validate_app_name(name) {
            let guidance = match issue {
                AppNameIssue::Empty | AppNameIssue::InvalidCharacters => {
                    "use letters, numbers, '-' or '_'".to_string()
                }
                AppNameIssue::TooLong { max_bytes } => {
                    format!("names must not exceed {max_bytes} bytes")
                }
            };
            return Err(ConfigSchemaError::ValidationError(format!(
                "invalid App name {name:?}; {guidance}"
            )));
        }
        if let Some(list) = &self.whitelist {
            list.validate()?;
        }
        Ok(())
    }
}

impl Validate for Whitelist {
    fn validate(&self) -> Result<(), ConfigSchemaError> {
        for (i, s) in self.principals.iter().enumerate() {
            if Principal::from_text(s).is_err() {
                return Err(ConfigSchemaError::ValidationError(format!(
                    "principal #{i} {s} is invalid"
                )));
            }
        }
        Ok(())
    }
}