Functions: jwtHelper

Helper functions for extracting and validating JWT payloads

Table of contents

Functions: jwtHelper

• extractPayload

• extractZkProofPayload

• decodeJwtPayload

• isZkPassProof

• isDvrData

Functions: jwtHelper

extractPayload

▸ extractPayload(token: string): DvrDataPayload

Extracts the payload from a JWT token and validates its type.

Parameters

Name	Type	Description
token	string	The JWT token to extract payload from

Returns

DvrDataPayload - The extracted payload

Throws

• Error if token is invalid

• Error if payload is not of type DvrData

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extractZkProofPayload

▸ extractZkProofPayload(token: string): ZkPassProof

Extracts the ZkPassProof payload from a JWT token.

Parameters

Name	Type	Description
token	string	The JWT token containing zkPass proof

Returns

ZkPassProof - The extracted zkPass proof object

Throws

• Error if token is invalid

• Error if payload is not of type ZkPassProof

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decodeJwtPayload

▸ private decodeJwtPayload(token: string): any

Parameters

Name	Type	Description
token	string	The JWT token to decode

Returns

any - The parsed payload from the JWT token

Throws

• Error if token is invalid

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isZkPassProof

▸ private isZkPassProof(data: any): boolean

Parameters

Name	Type	Description
data	any	The data to check

Returns

boolean - True if data is a valid ZkPassProof

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isDvrData

▸ private isDvrData(data: any): boolean

Parameters

Name	Type	Description
data	any	The data to check

Returns

boolean - True if data is a valid DvrDataPayload