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//! OpenAPI specification generator.
/// Minimal OpenAPI 3.0 spec for the vault API.
///
/// Returns a JSON-serialisable structure. We generate the spec procedurally
/// rather than depending on a derive macro so the `api` feature stays light.
pub fn openapi_spec() -> serde_json::Value {
serde_json::json!({
"openapi": "3.1.0",
"info": {
"title": "AI Model Vault API",
"description": "RESTful API for secure AI model storage, versioning, and format conversion.",
"version": "1.3.0",
"license": {
"name": "AGPL-3.0-or-later",
"url": "https://www.gnu.org/licenses/agpl-3.0.html"
}
},
"servers": [
{ "url": "/api/v1", "description": "Local server" }
],
"paths": {
"/health": {
"get": {
"summary": "Health check",
"tags": ["system"],
"responses": { "200": { "description": "OK" } }
}
},
"/auth/token": {
"post": {
"summary": "Obtain JWT token",
"tags": ["auth"],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"passphrase": { "type": "string" }
},
"required": ["passphrase"]
}
}
}
},
"responses": {
"200": { "description": "JWT token" },
"401": { "description": "Invalid passphrase" }
}
}
},
"/auth/logout": {
"post": {
"summary": "Revoke the presented JWT",
"description": "Revokes the bearer token used to make this request so it \
cannot be reused before its expiry. Revocations survive a \
restart only when the server is started with a revocation \
store; without one they are process-local, and they never \
span replicas.",
"tags": ["auth"],
"security": [{ "bearerAuth": [] }],
"responses": {
"200": { "description": "Token revoked" },
"401": { "description": "Missing, malformed, or already invalid token" },
"500": { "description": "Revocation could not be persisted" }
}
}
},
"/models": {
"get": {
"summary": "List models in the vault",
"tags": ["models"],
"security": [{ "bearerAuth": [] }],
"responses": { "200": { "description": "Array of model names" } }
}
},
"/models/{name}": {
"get": {
"summary": "Retrieve latest model data",
"tags": ["models"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } }
],
"responses": {
"200": { "description": "Model binary data" },
"404": { "description": "Model not found" }
}
},
"post": {
"summary": "Store a model (multipart upload)",
"tags": ["models"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } }
],
"requestBody": {
"required": true,
"content": {
"multipart/form-data": {
"schema": {
"type": "object",
"properties": {
"file": { "type": "string", "format": "binary" },
"format": { "type": "string" },
"description": { "type": "string" }
},
"required": ["file", "format"]
}
}
}
},
"responses": {
"201": { "description": "Version created" }
}
}
},
"/models/{name}/versions": {
"get": {
"summary": "List versions of a model",
"tags": ["versions"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } }
],
"responses": { "200": { "description": "Array of versions" } }
}
},
"/models/{name}/versions/{version}": {
"get": {
"summary": "Retrieve specific model version data",
"tags": ["versions"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } },
{ "name": "version", "in": "path", "required": true, "schema": { "type": "integer" } }
],
"responses": {
"200": { "description": "Model binary data" },
"404": { "description": "Version not found" }
}
},
"delete": {
"summary": "Delete a model version",
"tags": ["versions"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } },
{ "name": "version", "in": "path", "required": true, "schema": { "type": "integer" } }
],
"responses": {
"200": { "description": "Deleted" },
"404": { "description": "Version not found" }
}
}
},
"/models/{name}/lineage/{version}": {
"get": {
"summary": "Get version lineage/history",
"tags": ["versions"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } },
{ "name": "version", "in": "path", "required": true, "schema": { "type": "integer" } }
],
"responses": { "200": { "description": "Lineage array" } }
}
},
"/conversions": {
"get": {
"summary": "List supported format conversions",
"tags": ["conversions"],
"responses": { "200": { "description": "Conversion list" } }
}
},
"/convert": {
"post": {
"summary": "Convert model data between formats",
"tags": ["conversions"],
"security": [{ "bearerAuth": [] }],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"data_base64": { "type": "string" },
"source_format": { "type": "string" },
"target_format": { "type": "string" },
"quantization": { "type": "string" },
"opset_version": { "type": "integer" },
"validate": { "type": "boolean" }
},
"required": ["data_base64", "source_format", "target_format"]
}
}
}
},
"responses": {
"200": {
"description": "Conversion result. Check `converted` before using `data_base64`: when false, no conversion was performed, `data_base64` is absent, and `plan` describes the external tooling required.",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"converted": {
"type": "boolean",
"description": "True when data_base64 holds real target-format bytes."
},
"data_base64": {
"type": "string",
"description": "Converted model bytes. Absent when converted is false."
},
"plan": {
"type": "object",
"description": "Steps to perform this conversion with external tooling. Present only when converted is false."
},
"source_format": { "type": "string" },
"target_format": { "type": "string" },
"conversion_path": {
"type": "array",
"items": { "type": "string" }
},
"input_size": { "type": "integer" },
"output_size": { "type": "integer" },
"validation": { "type": "object", "nullable": true }
},
"required": ["converted", "source_format", "target_format", "conversion_path", "input_size", "output_size"]
}
}
}
}
}
}
},
"/models/{name}/card": {
"get": {
"summary": "Generate model card from vault metadata",
"tags": ["model-cards"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } }
],
"responses": {
"200": { "description": "Model card JSON" },
"404": { "description": "Model not found" }
}
},
"post": {
"summary": "Create or overwrite a custom model card",
"tags": ["model-cards"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "name", "in": "path", "required": true, "schema": { "type": "string" } }
],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"model_details": { "type": "object" },
"intended_use": { "type": "object" },
"metadata": { "type": "object" },
"created_at": { "type": "string", "format": "date-time" },
"updated_at": { "type": "string", "format": "date-time" }
},
"required": ["model_details", "intended_use"]
}
}
}
},
"responses": {
"201": { "description": "Model card created" },
"400": { "description": "Invalid model card JSON" },
"404": { "description": "Model not found" }
}
}
},
"/compliance": {
"get": {
"summary": "Run FIPS 140-3, CVE, MITRE ATT&CK, and CMMC 2.0 compliance checks",
"tags": ["compliance"],
"security": [{ "bearerAuth": [] }],
"responses": { "200": { "description": "Compliance report" } }
}
},
"/rag/search": {
"post": {
"summary": "Search RAG knowledge base",
"tags": ["rag"],
"security": [{ "bearerAuth": [] }],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"query": { "type": "string" },
"limit": { "type": "integer" }
},
"required": ["query"]
}
}
}
},
"responses": {
"200": { "description": "Search results" },
"400": { "description": "Empty query" }
}
}
},
"/rag/documents": {
"post": {
"summary": "Add document to RAG knowledge base",
"tags": ["rag"],
"security": [{ "bearerAuth": [] }],
"requestBody": {
"required": true,
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"content": { "type": "string" },
"metadata": { "type": "object" }
},
"required": ["content"]
}
}
}
},
"responses": {
"201": { "description": "Document stored with ID and content_length" },
"400": { "description": "Empty content" }
}
}
},
"/metrics": {
"get": {
"summary": "Prometheus-compatible metrics",
"tags": ["system"],
"security": [{ "bearerAuth": [] }],
"responses": { "200": { "description": "Metrics in Prometheus text format" } }
}
},
"/events": {
"get": {
"summary": "Event stream (recent audit events)",
"description": "Returns recent events. Non-admin roles have security events filtered out.",
"tags": ["system"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "limit", "in": "query", "schema": { "type": "integer" } }
],
"responses": { "200": { "description": "Event entries" } }
}
},
"/stats": {
"get": {
"summary": "Vault statistics",
"tags": ["system"],
"security": [{ "bearerAuth": [] }],
"responses": { "200": { "description": "Vault stats" } }
}
},
"/audit": {
"get": {
"summary": "Audit log entries",
"description": "Returns audit log. Non-admin roles have security events filtered out.",
"tags": ["system"],
"security": [{ "bearerAuth": [] }],
"parameters": [
{ "name": "limit", "in": "query", "schema": { "type": "integer" } }
],
"responses": { "200": { "description": "Audit entries" } }
}
}
},
"components": {
"securitySchemes": {
"bearerAuth": {
"type": "http",
"scheme": "bearer",
"bearerFormat": "JWT"
}
}
}
})
}