utils.rs - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

use crate::LockstoreError;

use kvstore::skv::Value;

/// Convert bytes to a kvstore Value (stored as base64 JSON string)

pub fn bytes_to_value(bytes: &[u8]) -> Result<Value, LockstoreError> {

    use base64::Engine;

    let base64_str = base64::engine::general_purpose::STANDARD.encode(bytes);

    let json_val = serde_json::Value::String(base64_str);

    Ok(Value::from(json_val))

/// Extract bytes from a kvstore Value (stored as base64 JSON string)

pub fn value_to_bytes(value: &Value) -> Result<Vec<u8>, LockstoreError> {

    use base64::Engine;

    // Convert Value to variant to extract the string

    let variant = value.to_variant().map_err(|e| {

        LockstoreError::Serialization(format!("Failed to convert to variant: {:?}", e))

    })?;

    // Extract as UTF-8 string

    let mut cstring = nsstring::nsCString::new();

    unsafe { variant.GetAsAUTF8String(&mut *cstring) }

        .to_result()

        .map_err(|e| LockstoreError::Serialization(format!("Failed to get string: {:?}", e)))?;

    let base64_str = cstring.to_utf8();

    // Decode from base64

    base64::engine::general_purpose::STANDARD

        .decode(base64_str.as_ref())

        .map_err(|e| LockstoreError::Serialization(format!("Failed to decode base64: {}", e)))