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

use std::path::PathBuf;

use anyhow::{bail, Context, Result};
use clap::Parser;
use wasmer::*;

use crate::store::StoreOptions;

#[derive(Debug, Parser)]
/// The options for the `wasmer validate` subcommand
pub struct Validate {
    /// File to validate as WebAssembly
    #[clap(name = "FILE")]
    path: PathBuf,

    #[clap(flatten)]
    store: StoreOptions,
}

impl Validate {
    /// Runs logic for the `validate` subcommand
    pub fn execute(&self) -> Result<()> {
        self.inner_execute()
            .context(format!("failed to validate `{}`", self.path.display()))
    }
    fn inner_execute(&self) -> Result<()> {
        let (store, _compiler_type) = self.store.get_store()?;

        let module_contents = std::fs::read(&self.path)?;
        if !is_wasm(&module_contents) {
            bail!("`wasmer validate` only validates WebAssembly files");
        }
        Module::validate(&store, &module_contents)?;
        eprintln!("Validation passed for `{}`.", self.path.display());
        Ok(())
    }
}