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"registry+https://github.com/rust-lang/crates.io-index" +checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd" diff --git a/Cargo.toml b/Cargo.toml index eba32bb..35d675d 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -6,3 +6,8 @@ edition = "2021" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] +log = "0.4.17" +env_logger = "0.10.0" +clap = { version = "4.1.1", features = ["derive"] } +okapi = "0.7.0-rc.1" +serde_yaml = "0.9.17" \ No newline at end of file diff --git a/examples/petstore.yaml b/examples/petstore.yaml new file mode 100644 index 0000000..0f97b58 --- /dev/null +++ b/examples/petstore.yaml @@ -0,0 +1,802 @@ +openapi: 3.0.3 +info: + title: Swagger Petstore - OpenAPI 3.0 + description: |- + This is a sample Pet Store Server based on the OpenAPI 3.0 specification. You can find out more about + Swagger at [https://swagger.io](https://swagger.io). In the third iteration of the pet store, we've switched to the design first approach! + You can now help us improve the API whether it's by making changes to the definition itself or to the code. + That way, with time, we can improve the API in general, and expose some of the new features in OAS3. + + _If you're looking for the Swagger 2.0/OAS 2.0 version of Petstore, then click [here](https://editor.swagger.io/?url=https://petstore.swagger.io/v2/swagger.yaml). Alternatively, you can load via the `Edit > Load Petstore OAS 2.0` menu option!_ + + Some useful links: + - [The Pet Store repository](https://github.com/swagger-api/swagger-petstore) + - [The source API definition for the Pet Store](https://github.com/swagger-api/swagger-petstore/blob/master/src/main/resources/openapi.yaml) + termsOfService: http://swagger.io/terms/ + contact: + email: apiteam@swagger.io + license: + name: Apache 2.0 + url: http://www.apache.org/licenses/LICENSE-2.0.html + version: 1.0.11 +externalDocs: + description: Find out more about Swagger + url: http://swagger.io +servers: + - url: https://petstore3.swagger.io/api/v3 +tags: + - name: pet + description: Everything about your Pets + externalDocs: + description: Find out more + url: http://swagger.io + - name: store + description: Access to Petstore orders + externalDocs: + description: Find out more about our store + url: http://swagger.io + - name: user + description: Operations about user +paths: + /pet: + put: + tags: + - pet + summary: Update an existing pet + description: Update an existing pet by Id + operationId: updatePet + requestBody: + description: Update an existent pet in the store + content: + application/json: + schema: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + $ref: '#/components/schemas/Pet' + application/x-www-form-urlencoded: + schema: + $ref: '#/components/schemas/Pet' + required: true + responses: + '200': + description: Successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + $ref: '#/components/schemas/Pet' + '400': + description: Invalid ID supplied + '404': + description: Pet not found + '405': + description: Validation exception + security: + - petstore_auth: + - write:pets + - read:pets + post: + tags: + - pet + summary: Add a new pet to the store + description: Add a new pet to the store + operationId: addPet + requestBody: + description: Create a new pet in the store + content: + application/json: + schema: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + $ref: '#/components/schemas/Pet' + application/x-www-form-urlencoded: + schema: + $ref: '#/components/schemas/Pet' + required: true + responses: + '200': + description: Successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + $ref: '#/components/schemas/Pet' + '405': + description: Invalid input + security: + - petstore_auth: + - write:pets + - read:pets + /pet/findByStatus: + get: + tags: + - pet + summary: Finds Pets by status + description: Multiple status values can be provided with comma separated strings + operationId: findPetsByStatus + parameters: + - name: status + in: query + description: Status values that need to be considered for filter + required: false + explode: true + schema: + type: string + default: available + enum: + - available + - pending + - sold + responses: + '200': + description: successful operation + content: + application/json: + schema: + type: array + items: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + type: array + items: + $ref: '#/components/schemas/Pet' + '400': + description: Invalid status value + security: + - petstore_auth: + - write:pets + - read:pets + /pet/findByTags: + get: + tags: + - pet + summary: Finds Pets by tags + description: Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing. + operationId: findPetsByTags + parameters: + - name: tags + in: query + description: Tags to filter by + required: false + explode: true + schema: + type: array + items: + type: string + responses: + '200': + description: successful operation + content: + application/json: + schema: + type: array + items: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + type: array + items: + $ref: '#/components/schemas/Pet' + '400': + description: Invalid tag value + security: + - petstore_auth: + - write:pets + - read:pets + /pet/{petId}: + get: + tags: + - pet + summary: Find pet by ID + description: Returns a single pet + operationId: getPetById + parameters: + - name: petId + in: path + description: ID of pet to return + required: true + schema: + type: integer + format: int64 + responses: + '200': + description: successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + $ref: '#/components/schemas/Pet' + '400': + description: Invalid ID supplied + '404': + description: Pet not found + security: + - api_key: [] + - petstore_auth: + - write:pets + - read:pets + post: + tags: + - pet + summary: Updates a pet in the store with form data + description: '' + operationId: updatePetWithForm + parameters: + - name: petId + in: path + description: ID of pet that needs to be updated + required: true + schema: + type: integer + format: int64 + - name: name + in: query + description: Name of pet that needs to be updated + schema: + type: string + - name: status + in: query + description: Status of pet that needs to be updated + schema: + type: string + responses: + '405': + description: Invalid input + security: + - petstore_auth: + - write:pets + - read:pets + delete: + tags: + - pet + summary: Deletes a pet + description: delete a pet + operationId: deletePet + parameters: + - name: api_key + in: header + description: '' + required: false + schema: + type: string + - name: petId + in: path + description: Pet id to delete + required: true + schema: + type: integer + format: int64 + responses: + '400': + description: Invalid pet value + security: + - petstore_auth: + - write:pets + - read:pets + /pet/{petId}/uploadImage: + post: + tags: + - pet + summary: uploads an image + description: '' + operationId: uploadFile + parameters: + - name: petId + in: path + description: ID of pet to update + required: true + schema: + type: integer + format: int64 + - name: additionalMetadata + in: query + description: Additional Metadata + required: false + schema: + type: string + requestBody: + content: + application/octet-stream: + schema: + type: string + format: binary + responses: + '200': + description: successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/ApiResponse' + security: + - petstore_auth: + - write:pets + - read:pets + /store/inventory: + get: + tags: + - store + summary: Returns pet inventories by status + description: Returns a map of status codes to quantities + operationId: getInventory + responses: + '200': + description: successful operation + content: + application/json: + schema: + type: object + additionalProperties: + type: integer + format: int32 + security: + - api_key: [] + /store/order: + post: + tags: + - store + summary: Place an order for a pet + description: Place a new order in the store + operationId: placeOrder + requestBody: + content: + application/json: + schema: + $ref: '#/components/schemas/Order' + application/xml: + schema: + $ref: '#/components/schemas/Order' + application/x-www-form-urlencoded: + schema: + $ref: '#/components/schemas/Order' + responses: + '200': + description: successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/Order' + '405': + description: Invalid input + /store/order/{orderId}: + get: + tags: + - store + summary: Find purchase order by ID + description: For valid response try integer IDs with value <= 5 or > 10. Other values will generate exceptions. + operationId: getOrderById + parameters: + - name: orderId + in: path + description: ID of order that needs to be fetched + required: true + schema: + type: integer + format: int64 + responses: + '200': + description: successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/Order' + application/xml: + schema: + $ref: '#/components/schemas/Order' + '400': + description: Invalid ID supplied + '404': + description: Order not found + delete: + tags: + - store + summary: Delete purchase order by ID + description: For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors + operationId: deleteOrder + parameters: + - name: orderId + in: path + description: ID of the order that needs to be deleted + required: true + schema: + type: integer + format: int64 + responses: + '400': + description: Invalid ID supplied + '404': + description: Order not found + /user: + post: + tags: + - user + summary: Create user + description: This can only be done by the logged in user. + operationId: createUser + requestBody: + description: Created user object + content: + application/json: + schema: + $ref: '#/components/schemas/User' + application/xml: + schema: + $ref: '#/components/schemas/User' + application/x-www-form-urlencoded: + schema: + $ref: '#/components/schemas/User' + responses: + default: + description: successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/User' + application/xml: + schema: + $ref: '#/components/schemas/User' + /user/createWithList: + post: + tags: + - user + summary: Creates list of users with given input array + description: Creates list of users with given input array + operationId: createUsersWithListInput + requestBody: + content: + application/json: + schema: + type: array + items: + $ref: '#/components/schemas/User' + responses: + '200': + description: Successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/User' + application/xml: + schema: + $ref: '#/components/schemas/User' + default: + description: successful operation + /user/login: + get: + tags: + - user + summary: Logs user into the system + description: '' + operationId: loginUser + parameters: + - name: username + in: query + description: The user name for login + required: false + schema: + type: string + - name: password + in: query + description: The password for login in clear text + required: false + schema: + type: string + responses: + '200': + description: successful operation + headers: + X-Rate-Limit: + description: calls per hour allowed by the user + schema: + type: integer + format: int32 + X-Expires-After: + description: date in UTC when token expires + schema: + type: string + format: date-time + content: + application/xml: + schema: + type: string + application/json: + schema: + type: string + '400': + description: Invalid username/password supplied + /user/logout: + get: + tags: + - user + summary: Logs out current logged in user session + description: '' + operationId: logoutUser + parameters: [] + responses: + default: + description: successful operation + /user/{username}: + get: + tags: + - user + summary: Get user by user name + description: '' + operationId: getUserByName + parameters: + - name: username + in: path + description: 'The name that needs to be fetched. Use user1 for testing. ' + required: true + schema: + type: string + responses: + '200': + description: successful operation + content: + application/json: + schema: + $ref: '#/components/schemas/User' + application/xml: + schema: + $ref: '#/components/schemas/User' + '400': + description: Invalid username supplied + '404': + description: User not found + put: + tags: + - user + summary: Update user + description: This can only be done by the logged in user. + operationId: updateUser + parameters: + - name: username + in: path + description: name that need to be deleted + required: true + schema: + type: string + requestBody: + description: Update an existent user in the store + content: + application/json: + schema: + $ref: '#/components/schemas/User' + application/xml: + schema: + $ref: '#/components/schemas/User' + application/x-www-form-urlencoded: + schema: + $ref: '#/components/schemas/User' + responses: + default: + description: successful operation + delete: + tags: + - user + summary: Delete user + description: This can only be done by the logged in user. + operationId: deleteUser + parameters: + - name: username + in: path + description: The name that needs to be deleted + required: true + schema: + type: string + responses: + '400': + description: Invalid username supplied + '404': + description: User not found +components: + schemas: + Order: + type: object + properties: + id: + type: integer + format: int64 + example: 10 + petId: + type: integer + format: int64 + example: 198772 + quantity: + type: integer + format: int32 + example: 7 + shipDate: + type: string + format: date-time + status: + type: string + description: Order Status + example: approved + enum: + - placed + - approved + - delivered + complete: + type: boolean + xml: + name: order + Customer: + type: object + properties: + id: + type: integer + format: int64 + example: 100000 + username: + type: string + example: fehguy + address: + type: array + xml: + name: addresses + wrapped: true + items: + $ref: '#/components/schemas/Address' + xml: + name: customer + Address: + type: object + properties: + street: + type: string + example: 437 Lytton + city: + type: string + example: Palo Alto + state: + type: string + example: CA + zip: + type: string + example: '94301' + xml: + name: address + Category: + type: object + properties: + id: + type: integer + format: int64 + example: 1 + name: + type: string + example: Dogs + xml: + name: category + User: + type: object + properties: + id: + type: integer + format: int64 + example: 10 + username: + type: string + example: theUser + firstName: + type: string + example: John + lastName: + type: string + example: James + email: + type: string + example: john@email.com + password: + type: string + example: '12345' + phone: + type: string + example: '12345' + userStatus: + type: integer + description: User Status + format: int32 + example: 1 + xml: + name: user + Tag: + type: object + properties: + id: + type: integer + format: int64 + name: + type: string + xml: + name: tag + Pet: + required: + - name + - photoUrls + type: object + properties: + id: + type: integer + format: int64 + example: 10 + name: + type: string + example: doggie + category: + $ref: '#/components/schemas/Category' + photoUrls: + type: array + xml: + wrapped: true + items: + type: string + xml: + name: photoUrl + tags: + type: array + xml: + wrapped: true + items: + $ref: '#/components/schemas/Tag' + status: + type: string + description: pet status in the store + enum: + - available + - pending + - sold + xml: + name: pet + ApiResponse: + type: object + properties: + code: + type: integer + format: int32 + type: + type: string + message: + type: string + xml: + name: '##default' + requestBodies: + Pet: + description: Pet object that needs to be added to the store + content: + application/json: + schema: + $ref: '#/components/schemas/Pet' + application/xml: + schema: + $ref: '#/components/schemas/Pet' + UserArray: + description: List of user object + content: + application/json: + schema: + type: array + items: + $ref: '#/components/schemas/User' + securitySchemes: + petstore_auth: + type: oauth2 + flows: + implicit: + authorizationUrl: https://petstore3.swagger.io/oauth/authorize + scopes: + write:pets: modify pets in your account + read:pets: read your pets + api_key: + type: apiKey + name: api_key + in: header \ No newline at end of file diff --git a/src/main.rs b/src/main.rs index e7a11a9..c29e802 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,3 +1,143 @@ -fn main() { - println!("Hello, world!"); +use clap::Parser; +use okapi::openapi3::{Components, SchemaObject}; +use okapi::schemars::schema::{InstanceType, Schema, SingleOrVec}; + +/// Dump the tree structure of a schema element as dot file +#[derive(Parser, Debug)] +#[command(author, version, about, long_about = None)] +struct Args { + /// The name of the file to dump + /// + /// If this value is unspecified, the default petstore schema + /// is used instead + #[arg(short, long)] + file_name: Option, + + /// The name of the structure to dump + #[arg(short, long, default_value = "Pet")] + struct_name: String, +} + +#[derive(Debug, Clone)] +enum NodeType { + Null, + Boolean, + Array { item: Box }, + Object { children: Vec }, + String, + Number, + Integer, +} + +#[derive(Debug, Clone)] +struct TreeNode { + name: String, + r#type: NodeType, +} + +fn main() { + env_logger::init_from_env(env_logger::Env::new().default_filter_or("info")); + + let args = Args::parse(); + + let file_content = match args.file_name { + None => include_str!("../examples/petstore.yaml").to_string(), + Some(path) => std::fs::read_to_string(path).expect("Unable to load schema file!"), + }; + + // Parse schema + let schema = serde_yaml::from_str::(&file_content) + .expect("Failed to parse document"); + + if schema.components.is_none() { + log::error!("components is missing!"); + panic!() + } + + let tree = build_tree(&args.struct_name, schema.components.as_ref().unwrap()); + + println!("{:#?}", tree); +} + +fn expect_single(e: &SingleOrVec) -> &E { + match e { + SingleOrVec::Single(e) => &e, + SingleOrVec::Vec(v) => &v[0], + } +} + +fn expect_schema_object(s: &Schema) -> &SchemaObject { + match s { + Schema::Bool(_) => { + panic!("Got unexpected bool!"); + } + Schema::Object(o) => o, + } +} + +fn build_tree(struct_name: &str, components: &Components) -> TreeNode { + let schema = components + .schemas + .get(struct_name) + .expect(&format!("Missing {struct_name}")); + + build_tree_schema(schema, struct_name, components) +} + +fn build_tree_schema( + schema: &SchemaObject, + struct_name: &str, + components: &Components, +) -> TreeNode { + if let Some(name) = &schema.reference { + return build_tree( + name.strip_prefix("#/components/schemas/").unwrap(), + components, + ); + } + + let schema_type = schema + .instance_type + .as_ref() + .map(expect_single) + .unwrap_or(&InstanceType::String); + + let r#type = match schema_type { + InstanceType::Null => NodeType::Null, + InstanceType::Boolean => NodeType::Boolean, + InstanceType::Object => { + let children = schema + .object + .as_ref() + .unwrap() + .properties + .iter() + .map(|e| { + let o = expect_schema_object(e.1); + build_tree_schema(o, e.0, components) + }) + .collect::>(); + NodeType::Object { children } + } + InstanceType::Array => { + let item = expect_schema_object(expect_single( + schema.array.as_ref().unwrap().items.as_ref().unwrap(), + )); + NodeType::Array { + item: Box::new(build_tree_schema( + item, + &format!("{struct_name}[]"), + components, + )), + } + } + InstanceType::Number => NodeType::Number, + InstanceType::String => NodeType::String, + InstanceType::Integer => NodeType::Integer, + }; + + TreeNode { + name: struct_name.to_string(), + r#type, + } }