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 <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `services/frontend/enclave/src/service.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>service.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../teaclave_frontend_service_enclave/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../teaclave_frontend_service_enclave/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span>
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 </pre><pre class="rust"><code><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one
 // or more contributor license agreements.  See the NOTICE file
 // distributed with this work for additional information
 // regarding copyright ownership.  The ASF licenses this file
 // to you under the Apache License, Version 2.0 (the
 // &quot;License&quot;); you may not use this file except in compliance
 // with the License.  You may obtain a copy of the License at
 //
 //   http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing,
 // software distributed under the License is distributed on an
 // &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 // KIND, either express or implied.  See the License for the
 // specific language governing permissions and limitations
 // under the License.

 </span><span class="kw">use </span><span class="kw">crate</span>::error::AuthenticationError;
 <span class="kw">use </span><span class="kw">crate</span>::error::FrontendServiceError;

 <span class="kw">use </span>anyhow::Result;
 <span class="kw">use </span>std::net::{IpAddr, Ipv6Addr};
 <span class="kw">use </span>std::sync::Arc;
 <span class="kw">use </span>teaclave_proto::teaclave_authentication_service::{
     TeaclaveAuthenticationInternalClient, UserAuthenticateRequest,
 };
 <span class="kw">use </span>teaclave_proto::teaclave_common::UserCredential;
 <span class="kw">use </span>teaclave_proto::teaclave_frontend_service::{
     ApproveTaskRequest, AssignDataRequest, CancelTaskRequest, CreateTaskRequest,
     CreateTaskResponse, DeleteFunctionRequest, DisableFunctionRequest, GetFunctionRequest,
     GetFunctionResponse, GetFunctionUsageStatsRequest, GetFunctionUsageStatsResponse,
     GetInputFileRequest, GetInputFileResponse, GetOutputFileRequest, GetOutputFileResponse,
     GetTaskRequest, GetTaskResponse, InvokeTaskRequest, ListFunctionsRequest,
     ListFunctionsResponse, QueryAuditLogsRequest, QueryAuditLogsResponse, RegisterFunctionRequest,
     RegisterFunctionResponse, RegisterFusionOutputRequest, RegisterFusionOutputResponse,
     RegisterInputFileRequest, RegisterInputFileResponse, RegisterInputFromOutputRequest,
     RegisterInputFromOutputResponse, RegisterOutputFileRequest, RegisterOutputFileResponse,
     TeaclaveFrontend, UpdateFunctionRequest, UpdateFunctionResponse, UpdateInputFileRequest,
     UpdateInputFileResponse, UpdateOutputFileRequest, UpdateOutputFileResponse,
 };
 <span class="kw">use </span>teaclave_proto::teaclave_management_service::TeaclaveManagementClient;
 <span class="kw">use </span>teaclave_rpc::transport::Channel;
 <span class="kw">use </span>teaclave_rpc::Request;
 <span class="kw">use </span>teaclave_service_enclave_utils::bail;
 <span class="kw">use </span>teaclave_types::{
     Entry, EntryBuilder, TeaclaveServiceResponseResult, UserAuthClaims, UserRole,
 };
 <span class="kw">use </span>tokio::sync::Mutex;

 <span class="macro">macro_rules! </span>authentication_and_forward_to_management {
     (<span class="macro-nonterminal">$service</span>: ident, <span class="macro-nonterminal">$request</span>: ident, <span class="macro-nonterminal">$func</span>: ident, <span class="macro-nonterminal">$endpoint</span>: expr) =&gt; {{
         <span class="kw">let </span>function_name = <span class="macro">stringify!</span>(<span class="macro-nonterminal">$func</span>).to_owned();
         <span class="kw">let </span>ip_option = <span class="macro-nonterminal">$request</span>.remote_addr().map(|s| s.ip());
         <span class="kw">let </span>ip = <span class="kw">match </span>ip_option {
             <span class="prelude-val">Some</span>(IpAddr::V4(ip_v4)) =&gt; ip_v4.to_ipv6_compatible(),
             <span class="prelude-val">Some</span>(IpAddr::V6(ip_v6)) =&gt; ip_v6,
             <span class="prelude-val">None </span>=&gt; Ipv6Addr::UNSPECIFIED,
         };

         <span class="kw">let </span>builder = EntryBuilder::new().ip(ip);

         <span class="kw">let </span>claims = <span class="kw">match </span><span class="macro-nonterminal">$service</span>.authenticate(<span class="kw-2">&amp;</span><span class="macro-nonterminal">$request</span>).<span class="kw">await </span>{
             <span class="prelude-val">Ok</span>(claims) =&gt; {
                 <span class="kw">if </span>authorize(<span class="kw-2">&amp;</span>claims, <span class="macro-nonterminal">$endpoint</span>) {
                     claims
                 } <span class="kw">else </span>{
                     <span class="macro">log::debug!</span>(
                         <span class="string">&quot;User is not authorized to access endpoint: {}, func: {}&quot;</span>,
                         <span class="macro">stringify!</span>(<span class="macro-nonterminal">$endpoint</span>),
                         <span class="macro">stringify!</span>(<span class="macro-nonterminal">$func</span>)
                     );

                     <span class="kw">let </span>entry = builder
                         .message(String::from(<span class="string">&quot;authenticate to &quot;</span>) + <span class="kw-2">&amp;</span>function_name)
                         .result(<span class="bool-val">false</span>)
                         .build();
                     <span class="macro-nonterminal">$service</span>.push_log(entry).<span class="kw">await</span>;

                     <span class="macro">bail!</span>(FrontendServiceError::PermissionDenied);
                 }
             }
             <span class="prelude-val">Err</span>(e) =&gt; {
                 <span class="macro">log::debug!</span>(
                     <span class="string">&quot;User is not authenticated to access endpoint: {}, func: {}&quot;</span>,
                     <span class="macro">stringify!</span>(<span class="macro-nonterminal">$endpoint</span>),
                     <span class="macro">stringify!</span>(<span class="macro-nonterminal">$func</span>)
                 );

                 <span class="kw">let </span>entry = builder
                     .message(
                         String::from(<span class="string">&quot;authenticate to &quot;</span>) + <span class="kw-2">&amp;</span>function_name + <span class="string">&quot;: &quot; </span>+ <span class="kw-2">&amp;</span>e.to_string(),
                     )
                     .result(<span class="bool-val">false</span>)
                     .build();
                 <span class="macro-nonterminal">$service</span>.push_log(entry).<span class="kw">await</span>;

                 <span class="macro">bail!</span>(e);
             }
         };

         <span class="kw">let </span>user = claims.to_string();
         <span class="kw">let </span>builder = builder.user(user);

         <span class="kw">let </span>client = <span class="macro-nonterminal">$service</span>.management_client.clone();
         <span class="kw">let </span><span class="kw-2">mut </span>client = client.lock().<span class="kw">await</span>;
         <span class="kw">let </span>meta = <span class="macro-nonterminal">$request</span>.metadata().clone();
         <span class="kw">let </span>message = <span class="macro-nonterminal">$request</span>.get_ref().to_owned();

         <span class="kw">let </span><span class="kw-2">mut </span>request = Request::new(message);
         <span class="kw">let </span>metadata = request.metadata_mut();
         <span class="kw-2">*</span>metadata = meta;
         metadata.insert(<span class="string">&quot;role&quot;</span>, claims.role.parse().unwrap());

         <span class="kw">let </span>response = <span class="kw">match </span>client.<span class="macro-nonterminal">$func</span>(request).<span class="kw">await </span>{
             <span class="prelude-val">Err</span>(e) =&gt; {
                 <span class="kw">let </span>entry = builder
                     .clone()
                     .message(function_name.clone() + <span class="string">&quot;:&quot; </span>+ <span class="kw-2">&amp;</span>e.to_string())
                     .result(<span class="bool-val">false</span>)
                     .build();
                 <span class="macro-nonterminal">$service</span>.push_log(entry).<span class="kw">await</span>;
                 <span class="kw">return </span><span class="prelude-val">Err</span>(e);
             }
             <span class="prelude-val">Ok</span>(r) =&gt; r,
         };

         <span class="kw">let </span>entry = builder.message(function_name).result(<span class="bool-val">true</span>).build();
         <span class="macro-nonterminal">$service</span>.push_log(entry).<span class="kw">await</span>;
         <span class="prelude-val">Ok</span>(response)
     }};
 }

 <span class="comment">// TODO: remove this structure as it is the same with RPC interface
 </span><span class="kw">enum </span>Endpoints {
     RegisterInputFile,
     RegisterOutputFile,
     UpdateInputFile,
     UpdateOutputFile,
     RegisterFusionOutput,
     RegisterInputFromOutput,
     GetOutputFile,
     GetInputFile,
     RegisterFunction,
     GetFunction,
     GetFunctionUsageStats,
     UpdateFunction,
     ListFunctions,
     DeleteFunction,
     DisableFunction,
     CreateTask,
     GetTask,
     AssignData,
     ApproveTask,
     InvokeTask,
     CancelTask,
     QueryAuditLogs,
 }

 <span class="kw">fn </span>authorize(claims: <span class="kw-2">&amp;</span>UserAuthClaims, request: Endpoints) -&gt; bool {
     <span class="kw">let </span>role = claims.get_role();

     <span class="kw">if </span>role == UserRole::Invalid {
         <span class="kw">return </span><span class="bool-val">false</span>;
     }
     <span class="kw">if </span>role == UserRole::PlatformAdmin {
         <span class="kw">return </span><span class="bool-val">true</span>;
     }

     <span class="kw">match </span>request {
         Endpoints::RegisterFunction
         | Endpoints::UpdateFunction
         | Endpoints::DeleteFunction
         | Endpoints::DisableFunction =&gt; role.is_function_owner(),
         Endpoints::RegisterInputFile
         | Endpoints::RegisterOutputFile
         | Endpoints::UpdateInputFile
         | Endpoints::UpdateOutputFile
         | Endpoints::RegisterFusionOutput
         | Endpoints::RegisterInputFromOutput
         | Endpoints::GetOutputFile
         | Endpoints::GetInputFile
         | Endpoints::CreateTask
         | Endpoints::GetTask
         | Endpoints::AssignData
         | Endpoints::ApproveTask
         | Endpoints::InvokeTask
         | Endpoints::CancelTask =&gt; role.is_data_owner(),
         Endpoints::GetFunction | Endpoints::ListFunctions | Endpoints::GetFunctionUsageStats =&gt; {
             role.is_function_owner() || role.is_data_owner()
         }
         Endpoints::QueryAuditLogs =&gt; <span class="bool-val">false</span>,
     }
 }

 <span class="attribute">#[derive(Clone)]
 </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>TeaclaveFrontendService {
     authentication_client: Arc&lt;Mutex&lt;TeaclaveAuthenticationInternalClient&lt;Channel&gt;&gt;&gt;,
     management_client: Arc&lt;Mutex&lt;TeaclaveManagementClient&lt;Channel&gt;&gt;&gt;,
     audit_log_buffer: Arc&lt;Mutex&lt;Vec&lt;Entry&gt;&gt;&gt;,
 }

 <span class="kw">impl </span>TeaclaveFrontendService {
     <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">async fn </span>new(
         authentication_client: Arc&lt;Mutex&lt;TeaclaveAuthenticationInternalClient&lt;Channel&gt;&gt;&gt;,
         management_client: Arc&lt;Mutex&lt;TeaclaveManagementClient&lt;Channel&gt;&gt;&gt;,
         audit_log_buffer: Arc&lt;Mutex&lt;Vec&lt;Entry&gt;&gt;&gt;,
     ) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>&gt; {
         <span class="prelude-val">Ok</span>(<span class="self">Self </span>{
             authentication_client,
             management_client,
             audit_log_buffer,
         })
     }

     <span class="kw">pub async fn </span>push_log(<span class="kw-2">&amp;</span><span class="self">self</span>, entry: Entry) {
         <span class="kw">let </span><span class="kw-2">mut </span>buffer_lock = <span class="self">self</span>.audit_log_buffer.lock().<span class="kw">await</span>;
         buffer_lock.push(entry);
     }
 }

 <span class="attribute">#[teaclave_rpc::async_trait]
 </span><span class="kw">impl </span>TeaclaveFrontend <span class="kw">for </span>TeaclaveFrontendService {
     <span class="kw">async fn </span>register_input_file(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;RegisterInputFileRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;RegisterInputFileResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             register_input_file,
             Endpoints::RegisterInputFile
         )
     }

     <span class="kw">async fn </span>update_input_file(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;UpdateInputFileRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;UpdateInputFileResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             update_input_file,
             Endpoints::UpdateInputFile
         )
     }

     <span class="kw">async fn </span>register_output_file(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;RegisterOutputFileRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;RegisterOutputFileResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             register_output_file,
             Endpoints::RegisterOutputFile
         )
     }

     <span class="kw">async fn </span>update_output_file(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;UpdateOutputFileRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;UpdateOutputFileResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             update_output_file,
             Endpoints::UpdateOutputFile
         )
     }

     <span class="kw">async fn </span>register_fusion_output(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;RegisterFusionOutputRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;RegisterFusionOutputResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             register_fusion_output,
             Endpoints::RegisterFusionOutput
         )
     }

     <span class="kw">async fn </span>register_input_from_output(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;RegisterInputFromOutputRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;RegisterInputFromOutputResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             register_input_from_output,
             Endpoints::RegisterInputFromOutput
         )
     }

     <span class="kw">async fn </span>get_output_file(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;GetOutputFileRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;GetOutputFileResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             get_output_file,
             Endpoints::GetOutputFile
         )
     }

     <span class="kw">async fn </span>get_input_file(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;GetInputFileRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;GetInputFileResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             get_input_file,
             Endpoints::GetInputFile
         )
     }

     <span class="kw">async fn </span>register_function(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;RegisterFunctionRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;RegisterFunctionResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             register_function,
             Endpoints::RegisterFunction
         )
     }

     <span class="kw">async fn </span>update_function(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;UpdateFunctionRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;UpdateFunctionResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             update_function,
             Endpoints::UpdateFunction
         )
     }

     <span class="kw">async fn </span>get_function(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;GetFunctionRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;GetFunctionResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             get_function,
             Endpoints::GetFunction
         )
     }

     <span class="kw">async fn </span>get_function_usage_stats(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;GetFunctionUsageStatsRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;GetFunctionUsageStatsResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             get_function_usage_stats,
             Endpoints::GetFunctionUsageStats
         )
     }

     <span class="kw">async fn </span>delete_function(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;DeleteFunctionRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;()&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             delete_function,
             Endpoints::DeleteFunction
         )
     }

     <span class="kw">async fn </span>disable_function(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;DisableFunctionRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;()&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             disable_function,
             Endpoints::DisableFunction
         )
     }

     <span class="kw">async fn </span>list_functions(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;ListFunctionsRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;ListFunctionsResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             list_functions,
             Endpoints::ListFunctions
         )
     }

     <span class="kw">async fn </span>create_task(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;CreateTaskRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;CreateTaskResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(<span class="self">self</span>, request, create_task, Endpoints::CreateTask)
     }

     <span class="kw">async fn </span>get_task(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;GetTaskRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;GetTaskResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(<span class="self">self</span>, request, get_task, Endpoints::GetTask)
     }

     <span class="kw">async fn </span>assign_data(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;AssignDataRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;()&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(<span class="self">self</span>, request, assign_data, Endpoints::AssignData)
     }

     <span class="kw">async fn </span>approve_task(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;ApproveTaskRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;()&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             approve_task,
             Endpoints::ApproveTask
         )
     }

     <span class="kw">async fn </span>invoke_task(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;InvokeTaskRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;()&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(<span class="self">self</span>, request, invoke_task, Endpoints::InvokeTask)
     }

     <span class="kw">async fn </span>cancel_task(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;CancelTaskRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;()&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(<span class="self">self</span>, request, cancel_task, Endpoints::CancelTask)
     }

     <span class="kw">async fn </span>query_audit_logs(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: Request&lt;QueryAuditLogsRequest&gt;,
     ) -&gt; TeaclaveServiceResponseResult&lt;QueryAuditLogsResponse&gt; {
         <span class="macro">authentication_and_forward_to_management!</span>(
             <span class="self">self</span>,
             request,
             query_audit_logs,
             Endpoints::QueryAuditLogs
         )
     }
 }

 <span class="kw">impl </span>TeaclaveFrontendService {
     <span class="kw">async fn </span>authenticate&lt;T&gt;(
         <span class="kw-2">&amp;</span><span class="self">self</span>,
         request: <span class="kw-2">&amp;</span>Request&lt;T&gt;,
     ) -&gt; <span class="prelude-ty">Result</span>&lt;UserAuthClaims, FrontendServiceError&gt; {
         <span class="kw">let </span>id = request
             .metadata()
             .get(<span class="string">&quot;id&quot;</span>)
             .and_then(|x| x.to_str().ok())
             .ok_or(AuthenticationError::MissingUserId)<span class="question-mark">?</span>;
         <span class="kw">let </span>token = request
             .metadata()
             .get(<span class="string">&quot;token&quot;</span>)
             .and_then(|x| x.to_str().ok())
             .ok_or(AuthenticationError::MissingToken)<span class="question-mark">?</span>;
         <span class="kw">let </span>credential = <span class="prelude-val">Some</span>(UserCredential::new(id, token));
         <span class="kw">let </span>auth_request = UserAuthenticateRequest { credential };
         <span class="kw">let </span>claims = <span class="self">self
             </span>.authentication_client
             .clone()
             .lock()
             .<span class="kw">await
             </span>.user_authenticate(auth_request)
             .<span class="kw">await
             </span>.map_err(|<span class="kw">_</span>| AuthenticationError::IncorrectCredential)<span class="question-mark">?
             </span>.into_inner()
             .claims
             .and_then(|x| x.try_into().ok())
             .ok_or(AuthenticationError::IncorrectCredential)<span class="question-mark">?</span>;

         <span class="prelude-val">Ok</span>(claims)
     }
 }

 <span class="attribute">#[cfg(feature = <span class="string">&quot;enclave_unit_test&quot;</span>)]
 </span><span class="kw">pub mod </span>tests {
     <span class="kw">use super</span>::<span class="kw-2">*</span>;

     <span class="kw">pub fn </span>test_authorize_platform_admin() {
         <span class="kw">let </span>claims = UserAuthClaims {
             role: <span class="string">&quot;PlatformAdmin&quot;</span>.to_string(),
             ..Default::default()
         };
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::GetFunction);
         <span class="macro">assert!</span>(result);
     }

     <span class="kw">pub fn </span>test_authorize_function_owner() {
         <span class="kw">let </span>claims = UserAuthClaims {
             role: <span class="string">&quot;FunctionOwner&quot;</span>.to_string(),
             ..Default::default()
         };
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::GetFunction);
         <span class="macro">assert!</span>(result);
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::RegisterFunction);
         <span class="macro">assert!</span>(result);
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::UpdateFunction);
         <span class="macro">assert!</span>(result);
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::InvokeTask);
         <span class="macro">assert!</span>(!result);
     }

     <span class="kw">pub fn </span>test_authorize_data_owner() {
         <span class="kw">let </span>claims = UserAuthClaims {
             role: <span class="string">&quot;DataOwnerManager-Attribute&quot;</span>.to_string(),
             ..Default::default()
         };
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::GetFunction);
         <span class="macro">assert!</span>(result);
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::InvokeTask);
         <span class="macro">assert!</span>(result);

         <span class="kw">let </span>claims = UserAuthClaims {
             role: <span class="string">&quot;DataOwner-Attribute&quot;</span>.to_string(),
             ..Default::default()
         };
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::GetFunction);
         <span class="macro">assert!</span>(result);
         <span class="kw">let </span>result = authorize(<span class="kw-2">&amp;</span>claims, Endpoints::InvokeTask);
         <span class="macro">assert!</span>(result);
     }
 }
 </code></pre></div>
 </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_frontend_service_enclave" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>