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aws4-axios
Advanced tools
This is a request interceptor for the Axios HTTP request library to allow requests to be signed with an AWSv4 signature.
This may be useful for accessing AWS services protected with IAM auth such as an API Gateway.
yarn | npm |
---|---|
yarn add aws4-axios | npm install --save aws4-axios |
To add an interceptor to the default Axios client:
import axios from "axios";
import { aws4Interceptor } from "aws4-axios";
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
},
});
axios.interceptors.request.use(interceptor);
// Requests made using Axios will now be signed
axios.get("https://example.com/foo").then((res) => {
// ...
});
Or you can add the interceptor to a specific instance of an Axios client:
import axios from "axios";
import { aws4Interceptor } from "aws4-axios";
const client = axios.create();
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
},
});
client.interceptors.request.use(interceptor);
// Requests made using Axios will now be signed
client.get("https://example.com/foo").then((res) => {
// ...
});
You can also pass AWS credentials in explicitly (otherwise taken from process.env)
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
},
credentials: {
accessKeyId: "",
secretAccessKey: "",
},
});
You can also pass a custom CredentialsProvider
factory instead
const customCredentialsProvider = {
getCredentials: async () => {
return Promise.resolve({
accessKeyId: "custom-provider-access-key-id",
secretAccessKey: "custom-provider-secret-access-key",
});
},
};
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
},
credentials: customCredentialsProvider,
});
The interface for options changed in v3. You should now pass a single object with configuration.
The previous options object is now nested under the property options
.
E.g (v2).
const interceptor = aws4Interceptor({
region: "eu-west-2",
service: "execute-api",
assumeRoleArn: "arn:aws:iam::111111111111:role/MyRole",
});
would become (v3):
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
assumeRoleArn: "arn:aws:iam::111111111111:role/MyRole",
},
});
If you passed a custom credential provider, this is now done via the credentials
property.
E.g (v2).
const interceptor = aws4Interceptor(
{
region: "eu-west-2",
service: "execute-api",
},
{
accessKeyId: "AKIAIOSFODNN7EXAMPLE",
secretAccessKey: "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY",
}
);
would become (v3):
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
assumeRoleArn: "arn:aws:iam::111111111111:role/MyRole",
},
credentials: {
accessKeyId: "AKIAIOSFODNN7EXAMPLE",
secretAccessKey: "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY",
},
});
You can pass a parameter to assume the IAM Role with AWS STS and use the assumed role credentials to sign the request. This is useful when doing cross-account requests.
const interceptor = aws4Interceptor({
options: {
region: "eu-west-2",
service: "execute-api",
assumeRoleArn: "arn:aws:iam::111111111111:role/MyRole",
},
});
Obtained credentials are cached and refreshed as needed after they expire.
You can use expirationMarginSec
parameter to set the number of seconds
before the received credentials expiration time to invalidate the cache.
This allows setting a safety margin. Default to 5 seconds.
Thanks goes to these wonderful people (emoji key):
Florian Bischoff 💻 | Ruben van Rooij 💻 | Roman 👀 | Maciej Radzikowski ⚠️ 💻 | Christopher Kruse ⚠️ |
This project follows the all-contributors specification. Contributions of any kind welcome!
FAQs
Axios request interceptor for signing requests with AWSv4
The npm package aws4-axios receives a total of 61,867 weekly downloads. As such, aws4-axios popularity was classified as popular.
We found that aws4-axios demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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