feat(pluginhost): introduce browser-navigable plugin resources in Management API

- Added `resources` field in `management.register` for defining browser-accessible resources.
- Updated examples and documentation to reflect resource-based paths under `/v0/resource/plugins/<pluginID>/...`.
- Replaced legacy `GET` menu routes with resource-based implementations for consistent plugin behavior.
- Enhanced request handling for resource paths, including proper response headers and streamlined test coverage.
This commit is contained in:
Luis Pater
2026-06-09 22:46:27 +08:00
parent 2aeb41cecf
commit 44ea9abced
22 changed files with 342 additions and 70 deletions

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@@ -20,8 +20,8 @@ This directory contains standard dynamic library plugin examples for the CLIProx
- `thinking/`: thinking applier capability only.
- `usage/`: usage observer capability only.
- `cli/`: command-line capability only.
- `management-api/`: Management API capability only.
- `host-callback/`: minimal Management API route that demonstrates host callbacks.
- `management-api/`: Management API and resource capability only.
- `host-callback/`: minimal plugin resource that demonstrates host callbacks.
Most standard capability examples contain `go/`, `c/`, and `rust/` subdirectories. Specialized examples may provide only the implementation language they need.
@@ -68,4 +68,6 @@ Artifacts are written to `examples/plugin/bin`.
`protocol-format` uses a minimal executor because format declarations belong to executor capabilities.
`host-callback` uses a minimal Management API route because host callbacks are invoked from plugin methods and are not standalone capabilities.
`host-callback` uses a minimal plugin resource because host callbacks are invoked from plugin methods and are not standalone capabilities.
Menu resources returned by `management.register` through the `resources` field are exposed by CPA under `/v0/resource/plugins/<pluginID>/...`. Authenticated plugin Management API routes remain under `/v0/management/...`.

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@@ -20,8 +20,8 @@
- `thinking/`:只演示 Thinking 处理能力。
- `usage/`:只演示 Usage 观察能力。
- `cli/`:只演示命令行扩展能力。
- `management-api/`:只演示 Management API 扩展能力。
- `host-callback/`:使用最小 Management API 路由演示宿主回调。
- `management-api/`:只演示 Management API 和资源扩展能力。
- `host-callback/`:使用最小插件资源演示宿主回调。
多数标准能力示例都包含 `go/``c/``rust/` 三个子目录。专用示例可能只提供所需的实现语言。
@@ -68,4 +68,6 @@ make -C examples/plugin build
`protocol-format` 使用最小执行器承载,因为格式声明属于执行器能力。
`host-callback` 使用最小 Management API 路由承载,因为宿主回调只能从插件方法内部发起,不是独立能力。
`host-callback` 使用最小插件资源承载,因为宿主回调只能从插件方法内部发起,不是独立能力。
`management.register` 通过 `resources` 字段返回的菜单资源会由 CPA 暴露在 `/v0/resource/plugins/<pluginID>/...` 下。需要认证的插件自有 Management API 路由仍保留在 `/v0/management/...` 下。

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@@ -84,14 +84,14 @@ static int plugin_call(const char* method, const uint8_t* request, size_t reques
return 0;
}
if (strcmp(method, "management.register") == 0) {
write_response(response, "{\"ok\":true,\"result\":{\"routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-host-callback-c/status\",\"Menu\":\"Host Callback\",\"Description\":\"Host callback example carried by a minimal Management API route.\"}]}}");
write_response(response, "{\"ok\":true,\"result\":{\"resources\":[{\"Path\":\"/status\",\"Menu\":\"Host Callback\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-host-callback-c/status.\"}]}}");
return 0;
}
if (strcmp(method, "management.handle") == 0) {
call_host("host.log", "{\"level\":\"info\",\"message\":\"example-host-callback-c host callback log\",\"fields\":{\"plugin\":\"example-host-callback-c\"}}");
call_host("host.http.do", "{\"method\":\"GET\",\"url\":\"https://example.com\",\"headers\":{\"user-agent\":[\"example-host-callback-c\"]}}");
write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"application/json\"]},\"Body\":\"eyJwbHVnaW4iOiJleGFtcGxlLWhvc3QtY2FsbGJhY2stYyJ9\"}}");
write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"text/html; charset=utf-8\"]},\"Body\":\"PCFkb2N0eXBlIGh0bWw+PHRpdGxlPkhvc3QgQ2FsbGJhY2s8L3RpdGxlPjxtYWluPkhvc3QgQ2FsbGJhY2sgcmVzb3VyY2U8L21haW4+\"}}");
return 0;
}
write_response(response, "{\"ok\":false,\"error\":{\"code\":\"unknown_method\",\"message\":\"unknown method\"}}");

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@@ -131,11 +131,11 @@ func handleMethod(method string) ([]byte, error) {
case "plugin.reconfigure":
return okEnvelopeJSON("{\"schema_version\":1,\"metadata\":{\"Name\":\"example-host-callback-go\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-host-callback-go.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}")
case "management.register":
return okEnvelopeJSON("{\"routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-host-callback-go/status\",\"Menu\":\"Host Callback\",\"Description\":\"Host callback example carried by a minimal Management API route.\"}]}")
return okEnvelopeJSON("{\"resources\":[{\"Path\":\"/status\",\"Menu\":\"Host Callback\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-host-callback-go/status.\"}]}")
case "management.handle":
callHost("host.log", []byte(`{"level":"info","message":"example-host-callback-go host callback log","fields":{"plugin":"example-host-callback-go"}}`))
callHost("host.http.do", []byte(`{"method":"GET","url":"https://example.com","headers":{"user-agent":["example-host-callback-go"]}}`))
return okEnvelopeJSON("{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"application/json\"]},\"Body\":\"eyJwbHVnaW4iOiJleGFtcGxlLWhvc3QtY2FsbGJhY2stZ28ifQ==\"}")
return okEnvelopeJSON("{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"text/html; charset=utf-8\"]},\"Body\":\"PCFkb2N0eXBlIGh0bWw+PHRpdGxlPkhvc3QgQ2FsbGJhY2s8L3RpdGxlPjxtYWluPkhvc3QgQ2FsbGJhY2sgcmVzb3VyY2U8L21haW4+\"}")
default:
return errorEnvelope("unknown_method", "unknown method: "+method), nil
}

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@@ -68,10 +68,10 @@ unsafe extern "C" fn plugin_call(method: *const c_char, request: *const u8, requ
let _ = request;
let _ = request_len;
match method {
"plugin.register" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-host-callback-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-host-callback-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"plugin.reconfigure" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-host-callback-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-host-callback-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"management.register" => { write_response(response, "{\"ok\":true,\"result\":{\"routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-host-callback-rust/status\",\"Menu\":\"Host Callback\",\"Description\":\"Host callback example carried by a minimal Management API route.\"}]}}"); 0 },"management.handle" => {
"plugin.register" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-host-callback-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-host-callback-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"plugin.reconfigure" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-host-callback-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-host-callback-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"management.register" => { write_response(response, "{\"ok\":true,\"result\":{\"resources\":[{\"Path\":\"/status\",\"Menu\":\"Host Callback\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-host-callback-rust/status.\"}]}}"); 0 },"management.handle" => {
call_host("host.log", r#"{"level":"info","message":"example-host-callback-rust host callback log","fields":{"plugin":"example-host-callback-rust"}}"#);
call_host("host.http.do", r#"{"method":"GET","url":"https://example.com","headers":{"user-agent":["example-host-callback-rust"]}}"#);
write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"application/json\"]},\"Body\":\"eyJwbHVnaW4iOiJleGFtcGxlLWhvc3QtY2FsbGJhY2stcnVzdCJ9\"}}"); 0 },
write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"text/html; charset=utf-8\"]},\"Body\":\"PCFkb2N0eXBlIGh0bWw+PHRpdGxlPkhvc3QgQ2FsbGJhY2s8L3RpdGxlPjxtYWluPkhvc3QgQ2FsbGJhY2sgcmVzb3VyY2U8L21haW4+\"}}"); 0 },
_ => {
write_response(response, r#"{"ok":false,"error":{"code":"unknown_method","message":"unknown method"}}"#);
0

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@@ -84,11 +84,11 @@ static int plugin_call(const char* method, const uint8_t* request, size_t reques
return 0;
}
if (strcmp(method, "management.register") == 0) {
write_response(response, "{\"ok\":true,\"result\":{\"routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-management-api-c/status\",\"Menu\":\"Management API\",\"Description\":\"Management API capability example.\"}]}}");
write_response(response, "{\"ok\":true,\"result\":{\"resources\":[{\"Path\":\"/status\",\"Menu\":\"Management API\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-management-api-c/status.\"}]}}");
return 0;
}
if (strcmp(method, "management.handle") == 0) {
write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"application/json\"]},\"Body\":\"eyJwbHVnaW4iOiJleGFtcGxlLW1hbmFnZW1lbnQtYXBpLWMifQ==\"}}");
write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"text/html; charset=utf-8\"]},\"Body\":\"PCFkb2N0eXBlIGh0bWw+PHRpdGxlPk1hbmFnZW1lbnQgQVBJPC90aXRsZT48bWFpbj5NYW5hZ2VtZW50IEFQSSByZXNvdXJjZTwvbWFpbj4=\"}}");
return 0;
}
write_response(response, "{\"ok\":false,\"error\":{\"code\":\"unknown_method\",\"message\":\"unknown method\"}}");

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@@ -131,9 +131,9 @@ func handleMethod(method string) ([]byte, error) {
case "plugin.reconfigure":
return okEnvelopeJSON("{\"schema_version\":1,\"metadata\":{\"Name\":\"example-management-api-go\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-management-api-go.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}")
case "management.register":
return okEnvelopeJSON("{\"routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-management-api-go/status\",\"Menu\":\"Management API\",\"Description\":\"Management API capability example.\"}]}")
return okEnvelopeJSON("{\"resources\":[{\"Path\":\"/status\",\"Menu\":\"Management API\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-management-api-go/status.\"}]}")
case "management.handle":
return okEnvelopeJSON("{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"application/json\"]},\"Body\":\"eyJwbHVnaW4iOiJleGFtcGxlLW1hbmFnZW1lbnQtYXBpLWdvIn0=\"}")
return okEnvelopeJSON("{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"text/html; charset=utf-8\"]},\"Body\":\"PCFkb2N0eXBlIGh0bWw+PHRpdGxlPk1hbmFnZW1lbnQgQVBJPC90aXRsZT48bWFpbj5NYW5hZ2VtZW50IEFQSSByZXNvdXJjZTwvbWFpbj4=\"}")
default:
return errorEnvelope("unknown_method", "unknown method: "+method), nil
}

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@@ -68,7 +68,7 @@ unsafe extern "C" fn plugin_call(method: *const c_char, request: *const u8, requ
let _ = request;
let _ = request_len;
match method {
"plugin.register" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-management-api-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-management-api-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"plugin.reconfigure" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-management-api-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-management-api-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"management.register" => { write_response(response, "{\"ok\":true,\"result\":{\"routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-management-api-rust/status\",\"Menu\":\"Management API\",\"Description\":\"Management API capability example.\"}]}}"); 0 },"management.handle" => { write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"application/json\"]},\"Body\":\"eyJwbHVnaW4iOiJleGFtcGxlLW1hbmFnZW1lbnQtYXBpLXJ1c3QifQ==\"}}"); 0 },
"plugin.register" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-management-api-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-management-api-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"plugin.reconfigure" => { write_response(response, "{\"ok\":true,\"result\":{\"schema_version\":1,\"metadata\":{\"Name\":\"example-management-api-rust\",\"Version\":\"0.1.0\",\"Author\":\"router-for-me\",\"GitHubRepository\":\"https://github.com/router-for-me/CLIProxyAPI\",\"Logo\":\"https://example.invalid/example-management-api-rust.png\",\"ConfigFields\":[]},\"capabilities\":{\"management_api\":true}}}"); 0 },"management.register" => { write_response(response, "{\"ok\":true,\"result\":{\"resources\":[{\"Path\":\"/status\",\"Menu\":\"Management API\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-management-api-rust/status.\"}]}}"); 0 },"management.handle" => { write_response(response, "{\"ok\":true,\"result\":{\"StatusCode\":200,\"Headers\":{\"content-type\":[\"text/html; charset=utf-8\"]},\"Body\":\"PCFkb2N0eXBlIGh0bWw+PHRpdGxlPk1hbmFnZW1lbnQgQVBJPC90aXRsZT48bWFpbj5NYW5hZ2VtZW50IEFQSSByZXNvdXJjZTwvbWFpbj4=\"}}"); 0 },
_ => {
write_response(response, r#"{"ok":false,"error":{"code":"unknown_method","message":"unknown method"}}"#);
0

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@@ -187,7 +187,9 @@ PUT /v0/management/plugins/{pluginID}/config
PATCH /v0/management/plugins/{pluginID}/config
```
Plugin-owned Management API routes are registered through `management.register` and handled through `management.handle`.
Plugin-owned Management API routes are registered through the `routes` field of `management.register` and handled through `management.handle`.
Browser-navigable menu resources are registered through the `resources` field of `management.register`. CPA exposes those resources under `/v0/resource/plugins/<pluginID>/...`; for example, a plugin with ID `example` and resource path `/status` is served as `/v0/resource/plugins/example/status`.
## Trust Boundary

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@@ -185,7 +185,9 @@ PUT /v0/management/plugins/{pluginID}/config
PATCH /v0/management/plugins/{pluginID}/config
```
插件自有 Management API 路由通过 `management.register` 注册,通过 `management.handle` 处理。
插件自有 Management API 路由通过 `management.register` `routes` 字段注册,通过 `management.handle` 处理。
可由浏览器直接访问的菜单资源通过 `management.register``resources` 字段注册。CPA 会将这些资源暴露在 `/v0/resource/plugins/<pluginID>/...` 下;例如插件 ID 为 `example` 且资源路径为 `/status` 时,最终路径是 `/v0/resource/plugins/example/status`
## 信任边界

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@@ -84,8 +84,8 @@ static const char* CLI_REGISTER_RESPONSE =
static const char* CLI_EXECUTE_RESPONSE =
"{\"ok\":true,\"result\":{\"Stdout\":\"cGx1Z2luIGV4YW1wbGUgYyBjb21tYW5kCg==\",\"ExitCode\":0}}";
static const char* MANAGEMENT_REGISTER_RESPONSE =
"{\"ok\":true,\"result\":{\"Routes\":[{\"Method\":\"GET\",\"Path\":\"/plugins/example-c/status\","
"\"Menu\":\"Example C Plugin\",\"Description\":\"Shows example C plugin status.\"}]}}";
"{\"ok\":true,\"result\":{\"Resources\":[{\"Path\":\"/status\","
"\"Menu\":\"Example C Plugin\",\"Description\":\"CPA exposes this menu resource under /v0/resource/plugins/example-c/status.\"}]}}";
static const char* UNKNOWN_METHOD_RESPONSE =
"{\"ok\":false,\"error\":{\"code\":\"unknown_method\",\"message\":\"unknown method\"}}";
static const char* INVALID_METHOD_RESPONSE =
@@ -421,7 +421,7 @@ static char* make_http_response(const uint8_t* request, size_t request_len) {
char* url = extract_json_string(json, "URL");
char* path = extract_json_string(json, "Path");
char* method_escaped = json_escape(method == NULL ? "GET" : method);
char* target_escaped = json_escape(url != NULL ? url : (path == NULL ? "/plugins/example-c/status" : path));
char* target_escaped = json_escape(url != NULL ? url : (path == NULL ? "/v0/resource/plugins/example-c/status" : path));
char* body_json = format_string(
"{\"plugin\":\"example-c\",\"method\":\"%s\",\"target\":\"%s\"}",
method_escaped == NULL ? "" : method_escaped,

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@@ -100,7 +100,8 @@ type streamResponse struct {
}
type managementRegistrationResponse struct {
Routes []pluginapi.ManagementRoute `json:"routes,omitempty"`
Routes []pluginapi.ManagementRoute `json:"routes,omitempty"`
Resources []pluginapi.ResourceRoute `json:"resources,omitempty"`
}
func main() {}
@@ -207,14 +208,18 @@ func handleMethod(method string, request []byte) ([]byte, error) {
case pluginabi.MethodCommandLineExecute:
return okEnvelope(pluginapi.CommandLineExecutionResponse{Stdout: []byte("plugin example command\n")})
case pluginabi.MethodManagementRegister:
return okEnvelope(managementRegistrationResponse{Routes: []pluginapi.ManagementRoute{{
Method: http.MethodGet,
Path: "/plugins/example/status",
// CPA exposes menu resources under /v0/resource/plugins/<plugin-id>/.
return okEnvelope(managementRegistrationResponse{Resources: []pluginapi.ResourceRoute{{
Path: "/status",
Menu: "Example Plugin",
Description: "Shows example plugin status.",
Description: "Shows example plugin status as a browser-navigable resource.",
}}})
case pluginabi.MethodManagementHandle:
return okEnvelope(pluginapi.ManagementResponse{StatusCode: http.StatusOK, Body: []byte(`{"plugin":"example"}`)})
return okEnvelope(pluginapi.ManagementResponse{
StatusCode: http.StatusOK,
Headers: http.Header{"Content-Type": []string{"text/html; charset=utf-8"}},
Body: []byte(`<!doctype html><title>Example Plugin</title><main>Example Plugin</main>`),
})
default:
return errorEnvelope("unknown_method", "unknown method: "+method), nil
}

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@@ -18,7 +18,7 @@ const FRONTEND_AUTH_RESPONSE: &str = r#"{"ok":true,"result":{"Authenticated":tru
const STREAM_RESPONSE: &str = r#"{"ok":true,"result":{"headers":{"content-type":["text/event-stream"]},"chunks":[{"Payload":"cGx1Z2luLWV4YW1wbGUtcnVzdAo="}]}}"#;
const CLI_REGISTER_RESPONSE: &str = r#"{"ok":true,"result":{"Flags":[{"Name":"plugin-example-rust-command","Usage":"Run the example Rust ABI plugin command","Type":"bool"}]}}"#;
const CLI_EXECUTE_RESPONSE: &str = r#"{"ok":true,"result":{"Stdout":"cGx1Z2luIGV4YW1wbGUgcnVzdCBjb21tYW5kCg==","ExitCode":0}}"#;
const MANAGEMENT_REGISTER_RESPONSE: &str = r#"{"ok":true,"result":{"Routes":[{"Method":"GET","Path":"/plugins/example-rust/status","Menu":"Example Rust Plugin","Description":"Shows example Rust plugin status."}]}}"#;
const MANAGEMENT_REGISTER_RESPONSE: &str = r#"{"ok":true,"result":{"Resources":[{"Path":"/status","Menu":"Example Rust Plugin","Description":"CPA exposes this menu resource under /v0/resource/plugins/example-rust/status."}]}}"#;
const UNKNOWN_METHOD_RESPONSE: &str = r#"{"ok":false,"error":{"code":"unknown_method","message":"unknown method"}}"#;
const INVALID_METHOD_RESPONSE: &str = r#"{"ok":false,"error":{"code":"invalid_method","message":"method is required"}}"#;
@@ -170,7 +170,7 @@ fn make_http_response(request: &[u8]) -> String {
let method = extract_json_string(&json, "Method").unwrap_or_else(|| "GET".to_string());
let target = extract_json_string(&json, "URL")
.or_else(|| extract_json_string(&json, "Path"))
.unwrap_or_else(|| "/plugins/example-rust/status".to_string());
.unwrap_or_else(|| "/v0/resource/plugins/example-rust/status".to_string());
let body = format!(
r#"{{"plugin":"example-rust","method":"{}","target":"{}"}}"#,
json_escape(&method),