2018-12-05 11:42:25 +00:00
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use failure::*;
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use serde_json::{json, Value};
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2018-12-05 17:22:56 +00:00
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use hyper::{Body, Response, StatusCode};
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use hyper::header;
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2019-11-21 13:36:28 +00:00
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use proxmox::api::{HttpError, RpcEnvironment};
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2019-02-15 08:55:12 +00:00
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/// Extension to set error message for server side logging
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pub struct ErrorMessageExtension(pub String);
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2018-12-05 11:42:25 +00:00
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pub struct OutputFormatter {
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2019-06-07 11:10:56 +00:00
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pub format_data: fn(data: Value, rpcenv: &dyn RpcEnvironment) -> Response<Body>,
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2019-01-26 13:50:37 +00:00
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pub format_error: fn(err: Error) -> Response<Body>,
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2018-12-05 11:42:25 +00:00
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}
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2019-01-26 14:08:02 +00:00
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static JSON_CONTENT_TYPE: &str = "application/json;charset=UTF-8";
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2019-01-26 13:50:37 +00:00
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2019-05-09 11:28:26 +00:00
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pub fn json_response(result: Result<Value, Error>) -> Response<Body> {
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match result {
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Ok(data) => json_data_response(data),
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Err(err) => json_error_response(err),
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}
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}
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2019-01-26 13:50:37 +00:00
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2019-05-09 11:28:26 +00:00
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pub fn json_data_response(data: Value) -> Response<Body> {
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2019-01-26 13:50:37 +00:00
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2019-05-09 11:28:26 +00:00
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let json_str = data.to_string();
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2019-01-26 13:50:37 +00:00
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let raw = json_str.into_bytes();
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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let mut response = Response::new(raw.into());
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response.headers_mut().insert(
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header::CONTENT_TYPE,
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2019-01-26 14:08:02 +00:00
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header::HeaderValue::from_static(JSON_CONTENT_TYPE));
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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response
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}
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2018-12-05 17:22:56 +00:00
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2019-06-07 11:10:56 +00:00
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fn json_format_data(data: Value, rpcenv: &dyn RpcEnvironment) -> Response<Body> {
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2018-12-05 17:22:56 +00:00
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2019-01-26 13:50:37 +00:00
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let mut result = json!({
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"data": data
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});
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2018-12-05 17:22:56 +00:00
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2019-01-26 13:50:37 +00:00
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if let Some(total) = rpcenv.get_result_attrib("total").and_then(|v| v.as_u64()) {
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result["total"] = Value::from(total);
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}
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2018-12-05 17:22:56 +00:00
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2019-01-26 13:50:37 +00:00
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if let Some(changes) = rpcenv.get_result_attrib("changes") {
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result["changes"] = changes.clone();
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2018-12-05 17:22:56 +00:00
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}
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2019-01-26 13:50:37 +00:00
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2019-05-09 11:28:26 +00:00
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json_data_response(result)
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2019-01-26 13:50:37 +00:00
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}
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2019-05-09 11:28:26 +00:00
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pub fn json_error_response(err: Error) -> Response<Body> {
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2019-01-26 13:50:37 +00:00
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2019-02-17 16:18:44 +00:00
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let mut response = if let Some(apierr) = err.downcast_ref::<HttpError>() {
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let mut resp = Response::new(Body::from(apierr.message.clone()));
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*resp.status_mut() = apierr.code;
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resp
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} else {
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let mut resp = Response::new(Body::from(err.to_string()));
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*resp.status_mut() = StatusCode::BAD_REQUEST;
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resp
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};
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2019-01-26 13:50:37 +00:00
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response.headers_mut().insert(
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header::CONTENT_TYPE,
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2019-01-26 14:08:02 +00:00
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header::HeaderValue::from_static(JSON_CONTENT_TYPE));
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2019-01-26 13:50:37 +00:00
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2019-02-15 08:55:12 +00:00
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response.extensions_mut().insert(ErrorMessageExtension(err.to_string()));
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2019-01-26 13:50:37 +00:00
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response
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2018-12-05 11:42:25 +00:00
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}
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pub static JSON_FORMATTER: OutputFormatter = OutputFormatter {
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2019-05-09 11:15:15 +00:00
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format_data: json_format_data,
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2019-05-09 11:28:26 +00:00
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format_error: json_error_response,
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2018-12-05 11:42:25 +00:00
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};
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2019-06-07 11:10:56 +00:00
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fn extjs_format_data(data: Value, rpcenv: &dyn RpcEnvironment) -> Response<Body> {
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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let mut result = json!({
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"data": data,
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"success": true
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});
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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if let Some(total) = rpcenv.get_result_attrib("total").and_then(|v| v.as_u64()) {
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result["total"] = Value::from(total);
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}
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2018-12-05 17:22:56 +00:00
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2019-01-26 13:50:37 +00:00
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if let Some(changes) = rpcenv.get_result_attrib("changes") {
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result["changes"] = changes.clone();
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}
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2018-12-05 17:22:56 +00:00
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2019-05-09 11:28:26 +00:00
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json_data_response(result)
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2019-01-26 13:50:37 +00:00
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}
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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fn extjs_format_error(err: Error) -> Response<Body> {
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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let mut errors = vec![];
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2019-01-28 12:44:48 +00:00
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let message = err.to_string();
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errors.push(&message);
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2018-12-05 11:42:25 +00:00
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2019-01-26 13:50:37 +00:00
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let result = json!({
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2019-01-28 12:44:48 +00:00
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"message": message,
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2019-01-26 13:50:37 +00:00
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"errors": errors,
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"success": false
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});
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2018-12-05 11:42:25 +00:00
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2019-05-09 11:28:26 +00:00
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let mut response = json_data_response(result);
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2019-02-15 08:55:12 +00:00
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response.extensions_mut().insert(ErrorMessageExtension(message));
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response
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2018-12-05 11:42:25 +00:00
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}
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pub static EXTJS_FORMATTER: OutputFormatter = OutputFormatter {
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2019-05-09 11:15:15 +00:00
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format_data: extjs_format_data,
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2019-01-26 13:50:37 +00:00
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format_error: extjs_format_error,
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2018-12-05 11:42:25 +00:00
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};
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