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81 lines
3.1 KiB
Markdown
81 lines
3.1 KiB
Markdown
# Authentication Endpoints
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Provider offers an alternative to signing each request, by allowing users to generate auth tokens. The generated auth token can be used until its expiration in all supported requests. Simply omit the signature parameter and add the AuthToken request header based on a created token.
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Please note that if a signature parameter exists, it will take precedence over the AuthToken headers. All routes that support a signature parameter support the replacement, with the exception of auth-related ones (createAuthToken and deleteAuthToken need to be signed).
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### Create Auth Token
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**Endpoint:** `GET /api/services/createAuthToken`
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**Description:** Allows the user to create an authentication token that can be used to authenticate requests to the provider API, instead of signing each request. The generated auth token can be used until its expiration in all supported requests.
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**Parameters:**
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* `address`: The Ethereum address of the consumer (Optional).
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* `nonce`: A unique identifier for this request, to prevent replay attacks (Required).
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* `signature`: A digital signature proving ownership of the `address`. The signature should be generated by signing the hashed concatenation of the `address` and `nonce` parameters (Required).
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* `expiration`: A valid future UTC timestamp representing when the auth token will expire (Required).
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**Curl Example:**
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```
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GET /api/services/createAuthToken?address=<your_address>&&nonce=<your_nonce>&&expiration=<expiration>&signature=<your_signature>
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```
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Inside the angular brackets, the user should provide the valid values for the request.
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Response:
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```
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{"token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE2NjAwNTMxMjksImFkZHJlc3MiOiIweEE3OGRlYjJGYTc5NDYzOTQ1QzI0Nzk5MTA3NUUyYTBlOThCYTdBMDkifQ.QaRqYeSYxZpnFayzPmUkj8TORHHJ_vRY-GL88ZBFM0o"}
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```
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#### Javascript Example:
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```runkit nodeVersion="18.x.x"
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const axios = require('axios');
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const address = "0x7e2a2FA2a064F693f0a55C5639476d913Ff12D05"
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const nonce = 1
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const signature
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const url = `https://provider.oceanprotocol.com/api/services/createAuthToken?address=${address}&nonce=${nonce}&expiration=<expiration>&signature=<your_signature>`;
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axios.get(url).then(response => {
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console.log(response.data);
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}).catch(error => {
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console.error(error);
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});
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```
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#### Delete Auth Token
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#### DELETE /api/services/deleteAuthToken
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Allows the user to delete an existing auth token before it naturally expires.
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Parameters
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```
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address: String object containing consumer's address (optional)
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nonce: Integer, Nonce (required)
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signature: String object containg user signature (signed message)
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The signature is based on hashing the following parameters:
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address + nonce
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token: token to be expired
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```
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Returns: Success message if token is successfully deleted. If the token is not found or already expired, returns an error message.
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Example:
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```
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DELETE /api/services/deleteAuthToken?address=<your_address>&&nonce=<your_nonce>&&token=<your_token>&signature=<your_signature>
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```
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Inside the angular brackets, the user should provide the valid values for the request.
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Response:
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```
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{"success": "Token has been deactivated."}
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```
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