quintodrome/plugins/pdk/rust/nd-pdk-host/src/nd_host_http.rs

// Code generated by ndpgen. DO NOT EDIT.
//
// This file contains client wrappers for the HTTP host service.
// It is intended for use in Navidrome plugins built with extism-pdk.

use extism_pdk::*;
use serde::{Deserialize, Serialize};
use base64::Engine as _;
use base64::engine::general_purpose::STANDARD as BASE64;

mod base64_bytes {
    use serde::{self, Deserialize, Deserializer, Serializer};
    use base64::Engine as _;
    use base64::engine::general_purpose::STANDARD as BASE64;

    pub fn serialize<S>(bytes: &Vec<u8>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(&BASE64.encode(bytes))
    }

    pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        BASE64.decode(&s).map_err(serde::de::Error::custom)
    }
}

/// HTTPRequest represents an outbound HTTP request from a plugin.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct HTTPRequest {
    pub method: String,
    pub url: String,
    #[serde(default)]
    pub headers: std::collections::HashMap<String, String>,
    #[serde(default)]
    #[serde(with = "base64_bytes")]
    pub body: Vec<u8>,
    #[serde(default)]
    pub timeout_ms: i32,
}

/// HTTPResponse represents the response from an outbound HTTP request.
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct HTTPResponse {
    pub status_code: i32,
    #[serde(default)]
    pub headers: std::collections::HashMap<String, String>,
    #[serde(default)]
    #[serde(with = "base64_bytes")]
    pub body: Vec<u8>,
}

#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
struct HTTPSendRequest {
    request: HTTPRequest,
}

#[derive(Debug, Clone, Deserialize)]
#[serde(rename_all = "camelCase")]
struct HTTPSendResponse {
    #[serde(default)]
    result: Option<HTTPResponse>,
    #[serde(default)]
    error: Option<String>,
}

#[host_fn]
extern "ExtismHost" {
    fn http_send(input: Json<HTTPSendRequest>) -> Json<HTTPSendResponse>;
}

/// Send executes an HTTP request and returns the response.
/// 
/// Parameters:
///   - request: The HTTP request to execute, including method, URL, headers, body, and timeout
/// 
/// Returns the HTTP response with status code, headers, and body.
/// Network errors, timeouts, and permission failures are returned as Go errors.
/// Successful HTTP calls (including 4xx/5xx status codes) return a non-nil response with nil error.
///
/// # Arguments
/// * `request` - HTTPRequest parameter.
///
/// # Returns
/// The result value.
///
/// # Errors
/// Returns an error if the host function call fails.
pub fn send(request: HTTPRequest) -> Result<Option<HTTPResponse>, Error> {
    let response = unsafe {
        http_send(Json(HTTPSendRequest {
            request: request,
        }))?
    };

    if let Some(err) = response.0.error {
        return Err(Error::msg(err));
    }

    Ok(response.0.result)
}