Endpoints
List of DeSo Identity iframe API endpoints
The iframe API supports functionality for both public keys and derived keys. You can determine key type from the login response by checking for
derivedPublicKeyBase58Check.The sign message is responsible for signing transaction hexes. If approval is required an application must call the approve endpoint in the Window API to sign the transaction.
Name | Type | Description |
|---|---|---|
transactionHex | string | Hex of the transaction you want to sign. |
Name | Type | Description |
|---|---|---|
transactionHex | string | Hex of the transaction you want to sign. |
derivedPublicKeyBase58Check | string | Only required if logged in user is using a derived key to sign on behalf of an owner public key. |
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
method: 'sign',
payload: {
accessLevel: 4,
accessLevelHmac: "0fab13f4...",
encryptedSeedHex: "0fab13f4...",
transactionHex: "0fab13f4...",
derivedPublicKeyBase58Check: "0fab13f4...",
},
}
You will get this response if the transaction was successful signed.
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
signedTransactionHex: "0fab13f4...",
},
}
You will get this response if the
accessLevel your user has authorized doesn't match the access level required to sign a transaction.{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
approvalRequired: true,
},
}
Name | Type | Description |
|---|---|---|
recipientPublicKey | string | Public key of the recipient in base58check format. |
message | string | Message text that you want to encrypt. |
Only required if logged in user is using a derived key to sign on behalf of an owner public key.
recipientPublicKey | string | Public key of the recipient in base58check format. |
message | string | Message text that you want to encrypt. |
encryptedMessagingKeyRandomness | string | This value is used in place of the encryptedSeedHex when encrypting the message. |
derivedPublicKeyBase58Check | string | Public key requesting encryption in base58check format. |
ownerPublicKeyBase58Check | string | Public key used only for validation. |
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
method: 'encrypt',
payload: {
accessLevel: 3,
accessLevelHmac: "0fab13f4...",
encryptedSeedHex: "0fab13f4...",
recipientPublicKey: "BC1YLgwkd7iADbrSgryTfXhMEcsF76cXDaWog4aDzoTunDb2DcZ3myZ"
message: "This is a message",
derivedPublicKeyBase58Check: "BC1YLsond7iADbrSgryTfXhMEcsF76cXDaWog4aDzoTunDb2DcZ3myZ",
ownerPublicKeyBase58Check: "BC1YLdadd7iADbrSgryTfXhMEcsF76cXDaWog4aDzoTunDb2DcZ3myZ",
encryptedMessagingKeyRandomness: "837fab39...",
},
}
You will get this response if the request includes a
derivedPublicKeyBase58Check and does not include both ownerPublicKeyBase58Check and encryptedMessagingKeyRandomness. id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
encryptedMessage: "",
requiresEncryptedMessagingKeyRandomness: true,
},
}
You can request Encrypted MessagingKeyRandomness by calling the messaging-group in the Window API.
You will get this response if the
accessLevel your user has authorized doesn't match the access level required to sign a transaction.To fix, the user needs to allow at least access level 2.
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
approvalRequired: true,
},
}
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
encryptedMessage: "0fab13f4...",
},
}
The decrypt API is responsible for decrypting messages.
As we mentioned in the Messages section, the current messaging protocol is
V2; however, it is still possible to decrypt messages from the V1 scheme.The decrypt API allows you to decrypt multiple messages at once by passing an array of
encryptedMessage objects.The
decrypt API is intended to be constructed right after calling the /api/v0/get-messages-stateless backend API endpoint, and so the structure of encryptedMessage matches the structure of the response from backend.We recommend tracing through
GetMessages() function in the DeSo Protocol frontend's src/app/backend-api.service.ts.Assuming
message is a taken from OrderedContactsWithMessages.Messages from the backend API response, encryptedMessage can be constructed as follows:encryptedMessage : {
EncryptedHex: message.EncryptedText,
PublicKey: message.IsSender ? message.RecipientPublicKeyBase58Check : message.SenderPublicKeyBase58Check,
IsSender: message.IsSender,
Legacy: !message.V2,
}
Another use-case for the
decrypt API is decrypting unlock-able text in NFTs.To see how this can be done, we recommend tracing through the
DecryptUnlockableTexts() in the DeSo Protocol repository.Name | Type | Description |
|---|---|---|
encryptedMessages | []encryptedMessage | List of encrypted messages objects. |
derivedPublicKeyBase58Check | string | Public key requesting decryption in base58check format. |
ownerPublicKeyBase58Check | string | Used to identify which messaging group member entry is used to decrypt group messages. |
encryptedMessagingKeyRandomness | string | Required to decrypt the request. |
encryptedMessages | []encryptedMessage | List of encrypted messages objects. |
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
method: 'decrypt',
payload: {
accessLevel: 3,
accessLevelHmac: "0fab13f4...",
encryptedSeedHex: "0fab13f4...",
derivedPublicKeyBase58Check: "BC1YLsond7iADbrSgryTfXhMEcsF76cXDaWog4aDzoTunDb2DcZ3myZ",
ownerPublicKeyBase58Check: "BC1YLdadd7iADbrSgryTfXhMEcsF76cXDaWog4aDzoTunDb2DcZ3myZ",
encryptedMessagingKeyRandomness: "837fab39...",
encryptedMessage: [
{
EncryptedHex: "0f154bcad...",
PublicKey: "BC1a4gbK1...",
IsSender: true,
Legacy: false
},
{
EncryptedHex: "0afa44bcd...",
PublicKey: "BC1asKl5j1...",
IsSender: false,
Legacy: true
}, ...
]
},
}
You will get this response if the request includes a
derivedPublicKeyBase58Check and does not include both ownerPublicKeyBase58Check and encryptedMessagingKeyRandomness.{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
decryptedHexes: {}
requiresEncryptedMessagingKeyRandomness: true,
},
}
You will get this response if the
accessLevel your user has authorized doesn't match the access level required to sign a transaction.To fix, the user needs to allow at least access level 2.
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
approvalRequired: true,
},
}
Response contains a
decryptedHexes field which is a map of decrypted messages, indexed by EncryptedHex from the request.{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
decryptedHexes: {
"0f154bcad...": "hello world"
"0afa44bcd...": "in retrospect it was inevitable",
}
},
}
The
jwt message creates signed JWT tokens that can be used to verify a user's ownership of a specific public key.The JWT is only valid for 10 minutes.
JWTs are used in some Backend API endpoints such as
/api/v0/upload-image. The best practice is to request the JWT right before calling these endpoints.Name | Type | Description |
|---|---|---|
N/A | N/A | No payload. |
Name | Type | Description |
|---|---|---|
derivedPublicKeyBase58Check | string | Informs Identity on how to sign the transaction. |
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
method: 'jwt',
payload: {
accessLevel: 3,
accessLevelHmac: "0fab13f4...",
encryptedSeedHex: "0fab13f4...",
derivedPublicKeyBase58Check: "BC1YLsond7iADbrSgryTfXhMEcsF76cXDaWog4aDzoTunDb2DcZ3myZ",
},
}
{
id: '21e02080-0ef4-4056-a319-a66403f33768',
service: 'identity',
payload: {
jwt: "eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJpYXQiOjE2MTk2NDk4MDcsImV4cCI6MTYxOTY0OTg2N30.FKZF8DSwwlnUaW_eRa7Wr1v2QcG7_iDN-NjdqXUcgrSAPg1EdSfpWsLL4GeUiD9zdLUgrNoKU7EsKkE-ZKMaVQ",
},
}
In case you want to validate the JWT token in Go, you could use the code below:
func (fes *APIServer) ValidateJWT(publicKey string, jwtToken string) (bool, error) {
pubKeyBytes, _, err := lib.Base58CheckDecode(publicKey)
if err != nil {
return false, errors.Wrapf(err, "Problem decoding public key")
}
pubKey, err := btcec.ParsePubKey(pubKeyBytes, btcec.S256())
if err != nil {
return false, errors.Wrapf(err, "Problem parsing public key")
}
token, err := jwt.Parse(jwtToken, func(token *jwt.Token) (interface{}, error) {
// Do not check token issued at time. We still check expiration time.
mapClaims := token.Claims.(jwt.MapClaims)
delete(mapClaims, "iat")
// We accept JWT signed by derived keys. To accommodate this, the JWT claims payload should contain the key
// "derivedPublicKeyBase58Check" with the derived public key in base58 as value.
if derivedPublicKeyBase58Check, isDerived := mapClaims[JwtDerivedPublicKeyClaim]; isDerived {
// Parse the derived public key.
derivedPublicKeyBytes, _, err := lib.Base58CheckDecode(derivedPublicKeyBase58Check.(string))
if err != nil {
return nil, errors.Wrapf(err, "Problem decoding derived public key")
}
derivedPublicKey, err := btcec.ParsePubKey(derivedPublicKeyBytes, btcec.S256())
if err != nil {
return nil, errors.Wrapf(err, "Problem parsing derived public key bytes")
}
// Validate the derived public key.
utxoView, err := fes.mempool.GetAugmentedUniversalView()
if err != nil {
return nil, errors.Wrapf(err, "Problem getting utxoView")
}
blockHeight := uint64(fes.blockchain.BlockTip().Height)
if err := utxoView.ValidateDerivedKey(pubKeyBytes, derivedPublicKeyBytes, blockHeight); err != nil {
return nil, errors.Wrapf(err, "Derived key is not authorize")
}
return derivedPublicKey.ToECDSA(), nil
}
return pubKey.ToECDSA(), nil
})
if err != nil {
return false, errors.Wrapf(err, "Problem verifying JWT token")
}
return token.Valid, nil
}
Last modified 7mo ago