I'm trying to make a data request from a URL based on the data provider's API specification.
My app is built using the Node.JS and NPM.
I'm subscribed to use the API and I've verified that all my identity credentials, policies and IAM keys that give me permission to access the API.
Could someone please help me define the correct value to place inside the 'Body' parameter of my API request based on the API specification provided by the URL.
Thanks!
My current request parameter code looks like below:
const request_parameter = {
DataSetId: "xxxxxac09b4xxxxxxxxxx",
RevisionId: "xxxxxxc8df94fxxxxxxx",
AssetId: "xxxxxxx2bde1fa3xxxxxxx",
Method: "POST",
Path: "/pxxx/graphql",
QueryStringParameters: {
param1: " ",
param2: " "
},
RequestHeaders: {
"Content-Type": "application/json"
},
Body: {\"body_param\":\"body_param_value\"} // FIX ME
};
The data provider's actual API specification looks like below:
{
"openapi": "3.0.1",
"info": {
"title": "image-services",
"description": "API Gateway for integration of Platform Services into AWS Data Exchange",
"version": "2022-03-03T20:04:18Z"
},
"servers": [
{
"url": ""
}
],
"paths": {
"/psdm/graphql": {
"post": {
"requestBody": {
"description": "GraphQL query for the Catalog in the form of:\n\n `{\n availablemetadatarecord(\n QUERYPARAMS\n ) { \n FIELDLIST\n } \n }`\n",
"content": {
"application/graphql": {
"schema": {
"$ref": "#/components/schemas/CatalogSearchRequest"
},
"examples": {
"Limit returned data": {
"description": "Limit the number of records in a response.\n\nIn your query, simply specify `limit: <int>` \n",
"value": "{\n availablemetadatarecord(\n limit: 10\n content: { catalogProperties: { vendor: { eq: \"EYE\" } } }\n ) {\n assignedId\n }\n}\n"
}
}
}
},
"required": true
},
"responses": {
"200": {
"description": "200 response",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/CatalogSearchResponse"
}
}
}
}
},
"security": [
{
"sigv4": []
}
]
}
}
},
"components": {
"schemas": {
"CatalogSearchRequest": {
"title": "CatalogSearchRequest",
"type": "object"
},
"CatalogSearchResponse": {
"title": "Catalog Search Response",
"required": [
"data",
"paginationInfo"
],
"type": "object",
"properties": {
"paginationInfo": {
"type": "object",
"properties": {
"recordsInPage": {
"type": "integer"
},
"nextOffset": {
"type": "integer"
}
}
},
"data": {
"type": "object",
"properties": {
"availablemetadatarecord": {
"type": "array",
"description": "Records returned by query",
"items": {
"type": "object"
}
}
}
}
}
}
},
"securitySchemes": {
"sigv4": {
"type": "apiKey",
"name": "Authorization",
"in": "header",
"x-amazon-apigateway-authtype": "awsSigv4"
}
}
}
}
I'm trying to write a GraphQL query to fetch data from an AWS DataExchange provider based on their company's API specification.
However, every query I've written so far isn't returning any data.
I've verified that all my AWS credentials and IAM keys are correct.
Could you please help me write the correct query based on the API specification given by the data provider.
My current request 'body' looks like below:
Body: JSON.stringify({
content: {
"application/graphql": {
"schema": {
"$ref": "#/components/schemas/CatalogSearchRequest"
},
query: `query availablemetadatarecord(limit: 10 content: { catalogProperties: { vendor: { eq: "EYE" } } }) {
assignedId
}
}`
}
}
}),
The DataExchange provider's actual API specification looks like below.
{
"openapi": "3.0.1",
"info": {
"title": "image-services",
"description": "API Gateway for integration of Platform Services into AWS Data Exchange",
"version": "2022-03-03T20:04:18Z"
},
"servers": [
{
"url": ""
}
],
"paths": {
"/psdm/graphql": {
"post": {
"requestBody": {
"description": "GraphQL query for the Catalog in the form of:\n\n `{\n availablemetadatarecord(\n QUERYPARAMS\n ) { \n FIELDLIST\n } \n }`\n",
"content": {
"application/graphql": {
"schema": {
"$ref": "#/components/schemas/CatalogSearchRequest"
},
"examples": {
"Limit returned data": {
"description": "Limit the number of records in a response.\n\nIn your query, simply specify `limit: <int>` \n",
"value": "{\n availablemetadatarecord(\n limit: 10\n content: { catalogProperties: { vendor: { eq: \"EYE\" } } }\n ) {\n assignedId\n }\n}\n"
}
}
}
},
"required": true
},
"responses": {
"200": {
"description": "200 response",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/CatalogSearchResponse"
}
}
}
}
},
"security": [
{
"sigv4": []
}
]
}
}
},
"components": {
"schemas": {
"CatalogSearchRequest": {
"title": "CatalogSearchRequest",
"type": "object"
},
"CatalogSearchResponse": {
"title": "Catalog Search Response",
"required": [
"data",
"paginationInfo"
],
"type": "object",
"properties": {
"paginationInfo": {
"type": "object",
"properties": {
"recordsInPage": {
"type": "integer"
},
"nextOffset": {
"type": "integer"
}
}
},
"data": {
"type": "object",
"properties": {
"availablemetadatarecord": {
"type": "array",
"description": "Records returned by query",
"items": {
"type": "object"
}
}
}
}
}
}
},
"securitySchemes": {
"sigv4": {
"type": "apiKey",
"name": "Authorization",
"in": "header",
"x-amazon-apigateway-authtype": "awsSigv4"
}
}
}
}
I want to test my Web API with a postman on the javascript app.
I have the following swagger.
"/attachment/erase": {
"post": {
"summary": "Erase ",
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"parameters": [
{
"name": "folder",
"in": "query",
"type": "string",
"description": "folder('s) detail",
"required": true
},
{
"name": "type",
"in": "query",
"type": "string",
"description": "ABC or BCD",
"required": true
},
{
"name": "body",
"in": "body",
"required": true,
"schema": {
"type": "object",
"required": ["files"],
"properties": {
"attachments": {
"type": "array",
"items": {
"type": "string"
}
}
}
},
"description": "The file(s) to delete"
}
],
"responses": {
"200": {
"description": "file(s) erased."
}
}
}
}
So I send the following request :
with the following body :
In return, I get an error 415.
What I am doing wrong?
You're sending x-www-form-urlencoded when the API is expecting application/json.
How about passing a form-data parameter file, please refer the image
I have this schema for authors:
module.exports = {
"id": "Author",
"properties": {
"name": {
"type": "string",
"description": "The full name of the author"
},
"description": {
"type": "string",
"description": "A small bio of the author"
},
"books": {
"type": "array",
"description": "The list of books published on at least one of the stores by this author",
"items": {
"$ref": "Book"
}
},
"website": {
"type": "string",
"description": "The website url of the author"
},
"avatar": {
"type": "string",
"description": "The url of the avatar of this author"
}
}
}
When I POST to http://localhost:9000/authors/ to create a new author I get this error:
error: Error of type InternalServerError found: ValidationError: books: Cast to Array failed for value "[ 'The Twits', 'The BFG' ]" at path "books"
This is the JSON I'm posting
{
"name": "Roald Dahl",
"description": "Writes childrens novels",
"books": [
"The Twits",
"The BFG"
],
"website": "www.roalddahl.com",
"avatar": "https://www.natgeokids.com/wp-content/uploads/2016/11/Roald-Dahl-1-1.jpg"
}
To the best of my knowledge this JSON is correct. The error seems to suggest there is an issue with the books array. Is this the case and if so, how do I fix it?
Adding Book schema:
module.exports = {
"id": "Book",
"properties": {
"title": {
"type": "string",
"descrtiption": "The title of the book"
},
"authors": {
"type": "array",
"description": "List of authors of the book",
"items": {
"$ref": "Author"
}
},
"isbn_code": {
"type": "string",
"description": "The stores where clients can buy this book"
},
"stores": {
"type": "array",
"description": "The stores where clients can buy this book",
"items": {
"type": "object",
"properties": {
"store": {
"$ref": "Store"
},
"copies": {
"type": "integer"
}
}
}
},
"genre": {
"type": "string",
"description": "Genre of the book",
},
"description": {
"type": "string",
"description": "Description of the book"
},
"reviews": {
"type": "array",
"items": {
"$ref": "ClientReview"
}
},
"price": {
"type": "number",
"minimum": 0,
"description": "The price of this book"
}
}
}
You are posting JSON with the books field as an array of strings, so your validator object should specify:
items: { type: "string" },
I'm trying to use the AmzaonWebService Api Gateway SDK for Javascript without success.
I've all the time the console error message : "Access Control Allow origin missing"
This is how I do:
dataFactory.setConfig = function() {
var config = {
accessKey: 'xxxxxxxxxxxxxx', // AWS Access KEY ID
secretKey: 'xxxxxxxxxx/xxxxxxxxxx/xxxxxxxx', // AWS Secret Key ID
sessionToken: dataFactory.getCognitoCredentials().idToken.jwtToken,
region: 'eu-west-1',
apiKey: undefined,
defaultContentType: 'application/json',
defaultAcceptType: 'application/json'
};
return config
}
var apigClient = apigClientFactory.newClient(dataFactory.setConfig());
dataFactory.getAll = function() {
var params = {
headers: {
"Access-Control-Allow-Origin": "*"
}
}
apigClient.allGet(params).then(function(res) {
console.log(res);
return res
}).catch(function(res) {
console.log(res);
})
};
This is how I'm getting the credentials:
dataFactory.getCognitoCredentials = function() {
var res;
var poolData = {
UserPoolId: 'eu-west-1_xxxxxxxx',
ClientId: 'xxxxxxxxxxxxxxx'
};
var userPool = new AWSCognito.CognitoIdentityServiceProvider.CognitoUserPool(poolData);
var cognitoUser = userPool.getCurrentUser();
if (cognitoUser != null) {
cognitoUser.getSession(function(err, session) {
if (err) {
alert(err);
return;
}
res = session
});
}
return res;
}
Does someone know what I'm doing wrong ?
You need to setup the CORS headers on API Gateway's response and an OPTION method as a pre-flight method. I have an example swagger file which has CORS setup. You might want to take a look.
{
"swagger": "2.0",
"info": {
"description": "Your first API with Amazon API Gateway. This is a sample API that integrates via HTTP with our demo Pet Store endpoints",
"title": "PetStore"
},
"schemes": [
"https"
],
"paths": {
"/": {
"get": {
"tags": [
"pets"
],
"description": "PetStore HTML web page containing API usage information",
"consumes": [
"application/json"
],
"produces": [
"text/html"
],
"responses": {
"200": {
"description": "Successful operation",
"headers": {
"Content-Type": {
"type": "string",
"description": "Media type of request"
}
}
}
},
"x-amazon-apigateway-integration": {
"responses": {
"default": {
"statusCode": "200",
"responseParameters": {
"method.response.header.Content-Type": "'text/html'"
},
"responseTemplates": {
"text/html": "<html>\n <head>\n <style>\n body {\n color: #333;\n font-family: Sans-serif;\n max-width: 800px;\n margin: auto;\n }\n </style>\n </head>\n <body>\n <h1>Welcome to your Pet Store API</h1>\n <p>\n You have succesfully deployed your first API. You are seeing this HTML page because the <code>GET</code> method to the root resource of your API returns this content as a Mock integration.\n </p>\n <p>\n The Pet Store API contains the <code>/pets</code> and <code>/pets/{petId}</code> resources. By making a <code>GET</code> request to <code>/pets</code> you can retrieve a list of Pets in your API. If you are looking for a specific pet, for example the pet with ID 1, you can make a <code>GET</code> request to <code>/pets/1</code>.\n </p>\n <p>\n You can use a REST client such as Postman to test the <code>POST</code> methods in your API to create a new pet. Use the sample body below to send the <code>POST</code> request:\n </p>\n <pre>\n{\n \"type\" : \"cat\",\n \"price\" : 123.11\n}\n </pre>\n </body>\n</html>"
}
}
},
"passthroughBehavior": "when_no_match",
"requestTemplates": {
"application/json": "{\"statusCode\": 200}"
},
"type": "mock"
}
}
},
"/pets": {
"get": {
"tags": [
"pets"
],
"summary": "List all pets",
"produces": [
"application/json"
],
"parameters": [
{
"name": "type",
"in": "query",
"description": "The type of pet to retrieve",
"required": false,
"type": "string"
},
{
"name": "page",
"in": "query",
"description": "Page number of results to return.",
"required": false,
"type": "string"
}
],
"responses": {
"200": {
"description": "Successful operation",
"schema": {
"$ref": "#/definitions/Pets"
},
"headers": {
"Access-Control-Allow-Origin": {
"type": "string",
"description": "URI that may access the resource"
}
}
}
},
"x-amazon-apigateway-integration": {
"responses": {
"default": {
"statusCode": "200",
"responseParameters": {
"method.response.header.Access-Control-Allow-Origin": "'*'"
}
}
},
"requestParameters": {
"integration.request.querystring.page": "method.request.querystring.page",
"integration.request.querystring.type": "method.request.querystring.type"
},
"uri": "http://petstore-demo-endpoint.execute-api.com/petstore/pets",
"passthroughBehavior": "when_no_match",
"httpMethod": "GET",
"type": "http"
}
},
"post": {
"tags": [
"pets"
],
"operationId": "CreatePet",
"summary": "Create a pet",
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"parameters": [
{
"in": "body",
"name": "NewPet",
"required": true,
"schema": {
"$ref": "#/definitions/NewPet"
}
}
],
"responses": {
"200": {
"description": "Successful operation",
"schema": {
"$ref": "#/definitions/NewPetResponse"
},
"headers": {
"Access-Control-Allow-Origin": {
"type": "string",
"description": "URI that may access the resource"
}
}
}
},
"x-amazon-apigateway-integration": {
"responses": {
"default": {
"statusCode": "200",
"responseParameters": {
"method.response.header.Access-Control-Allow-Origin": "'*'"
}
}
},
"uri": "http://petstore-demo-endpoint.execute-api.com/petstore/pets",
"passthroughBehavior": "when_no_match",
"httpMethod": "POST",
"type": "http"
}
},
"options": {
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"responses": {
"200": {
"description": "Successful operation",
"schema": {
"$ref": "#/definitions/Empty"
},
"headers": {
"Access-Control-Allow-Origin": {
"type": "string",
"description": "URI that may access the resource"
},
"Access-Control-Allow-Methods": {
"type": "string",
"description": "Method or methods allowed when accessing the resource"
},
"Access-Control-Allow-Headers": {
"type": "string",
"description": "Used in response to a preflight request to indicate which HTTP headers can be used when making the request."
}
}
}
},
"x-amazon-apigateway-integration": {
"responses": {
"default": {
"statusCode": "200",
"responseParameters": {
"method.response.header.Access-Control-Allow-Methods": "'POST,GET,OPTIONS'",
"method.response.header.Access-Control-Allow-Headers": "'Content-Type,X-Amz-Date,Authorization,X-Api-Key'",
"method.response.header.Access-Control-Allow-Origin": "'*'"
}
}
},
"passthroughBehavior": "when_no_match",
"requestTemplates": {
"application/json": "{\"statusCode\": 200}"
},
"type": "mock"
}
}
},
"/pets/{petId}": {
"get": {
"tags": [
"pets"
],
"summary": "Info for a specific pet",
"operationId": "GetPet",
"produces": [
"application/json"
],
"parameters": [
{
"name": "petId",
"in": "path",
"description": "The id of the pet to retrieve",
"required": true,
"type": "string"
}
],
"responses": {
"200": {
"description": "Successful operation",
"schema": {
"$ref": "#/definitions/Pet"
},
"headers": {
"Access-Control-Allow-Origin": {
"type": "string",
"description": "URI that may access the resource"
}
}
}
},
"x-amazon-apigateway-integration": {
"responses": {
"default": {
"statusCode": "200",
"responseParameters": {
"method.response.header.Access-Control-Allow-Origin": "'*'"
}
}
},
"requestParameters": {
"integration.request.path.petId": "method.request.path.petId"
},
"uri": "http://petstore-demo-endpoint.execute-api.com/petstore/pets/{petId}",
"passthroughBehavior": "when_no_match",
"httpMethod": "GET",
"type": "http"
}
},
"options": {
"consumes": [
"application/json"
],
"produces": [
"application/json"
],
"parameters": [
{
"name": "petId",
"in": "path",
"description": "The id of the pet to retrieve",
"required": true,
"type": "string"
}
],
"responses": {
"200": {
"description": "Successful operation",
"schema": {
"$ref": "#/definitions/Empty"
},
"headers": {
"Access-Control-Allow-Origin": {
"type": "string",
"description": "URI that may access the resource"
},
"Access-Control-Allow-Methods": {
"type": "string",
"description": "Method or methods allowed when accessing the resource"
},
"Access-Control-Allow-Headers": {
"type": "string",
"description": "Used in response to a preflight request to indicate which HTTP headers can be used when making the request."
}
}
}
},
"x-amazon-apigateway-integration": {
"responses": {
"default": {
"statusCode": "200",
"responseParameters": {
"method.response.header.Access-Control-Allow-Methods": "'GET,OPTIONS'",
"method.response.header.Access-Control-Allow-Headers": "'Content-Type,X-Amz-Date,Authorization,X-Api-Key'",
"method.response.header.Access-Control-Allow-Origin": "'*'"
}
}
},
"passthroughBehavior": "when_no_match",
"requestTemplates": {
"application/json": "{\"statusCode\": 200}"
},
"type": "mock"
}
}
}
},
"definitions": {
"Pets": {
"type": "array",
"items": {
"$ref": "#/definitions/Pet"
}
},
"Empty": {
"type": "object"
},
"NewPetResponse": {
"type": "object",
"properties": {
"pet": {
"$ref": "#/definitions/Pet"
},
"message": {
"type": "string"
}
}
},
"Pet": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"type": {
"type": "string"
},
"price": {
"type": "number"
}
}
},
"NewPet": {
"type": "object",
"properties": {
"type": {
"$ref": "#/definitions/PetType"
},
"price": {
"type": "number"
}
}
},
"PetType": {
"type": "string",
"enum": [
"dog",
"cat",
"fish",
"bird",
"gecko"
]
}
},
"x-amazon-apigateway-documentation": {
"version": "v2.1",
"createdDate": "2016-11-17T07:03:59Z",
"documentationParts": [
{
"location": {
"type": "API"
},
"properties": {
"info": {
"description": "Your first API with Amazon API Gateway. This is a sample API that integrates via HTTP with our demo Pet Store endpoints"
}
}
},
{
"location": {
"type": "METHOD",
"method": "GET"
},
"properties": {
"tags": [
"pets"
],
"description": "PetStore HTML web page containing API usage information"
}
},
{
"location": {
"type": "METHOD",
"path": "/pets/{petId}",
"method": "GET"
},
"properties": {
"tags": [
"pets"
],
"summary": "Info for a specific pet"
}
},
{
"location": {
"type": "METHOD",
"path": "/pets",
"method": "GET"
},
"properties": {
"tags": [
"pets"
],
"summary": "List all pets"
}
},
{
"location": {
"type": "METHOD",
"path": "/pets",
"method": "POST"
},
"properties": {
"tags": [
"pets"
],
"summary": "Create a pet"
}
},
{
"location": {
"type": "PATH_PARAMETER",
"path": "/pets/{petId}",
"method": "*",
"name": "petId"
},
"properties": {
"description": "The id of the pet to retrieve"
}
},
{
"location": {
"type": "QUERY_PARAMETER",
"path": "/pets",
"method": "GET",
"name": "page"
},
"properties": {
"description": "Page number of results to return."
}
},
{
"location": {
"type": "QUERY_PARAMETER",
"path": "/pets",
"method": "GET",
"name": "type"
},
"properties": {
"description": "The type of pet to retrieve"
}
},
{
"location": {
"type": "REQUEST_BODY",
"path": "/pets",
"method": "POST"
},
"properties": {
"description": "Pet object that needs to be added to the store"
}
},
{
"location": {
"type": "RESPONSE",
"method": "*",
"statusCode": "200"
},
"properties": {
"description": "Successful operation"
}
},
{
"location": {
"type": "RESPONSE_HEADER",
"method": "OPTIONS",
"statusCode": "200",
"name": "Access-Control-Allow-Headers"
},
"properties": {
"description": "Used in response to a preflight request to indicate which HTTP headers can be used when making the request."
}
},
{
"location": {
"type": "RESPONSE_HEADER",
"method": "OPTIONS",
"statusCode": "200",
"name": "Access-Control-Allow-Methods"
},
"properties": {
"description": "Method or methods allowed when accessing the resource"
}
},
{
"location": {
"type": "RESPONSE_HEADER",
"method": "*",
"statusCode": "200",
"name": "Access-Control-Allow-Origin"
},
"properties": {
"description": "URI that may access the resource"
}
},
{
"location": {
"type": "RESPONSE_HEADER",
"method": "GET",
"statusCode": "200",
"name": "Content-Type"
},
"properties": {
"description": "Media type of request"
}
}
]
}
}