Namespace: VerificationOptions

Methods

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<static> addTrustedCertificates(certificates)

Loads the Public Key Certificates to be used for Digital Signature Verification. The contents of the X.509 Public Key Certificate need to encoded in a binary Distinguished Encoding Rules (DER) format, or in the plaintext Privacy-Enhanced Mail (PEM) format, which includes an appropriate header, Base64 encoded DER representing the public key certificate, and appropriate footer.

Parameters:

Name	Type	Description
certificates	Array.<(string|File|ArrayBuffer|Int8Array|Uint8Array|Uint8ClampedArray)>	An array of URLs, and/or instance of the File type, and/or a Binary Array datatype that contain the X.509 Public Key Certificates to be used for validating Digital Signatures on a document.

Example

WebViewer(...).then(async function(instance) {
  const response = await fetch(
    'https://mydomain.com/api/returns/certificate/as/arraybuffer'
  );
  const certificateAsArrayBuffer = await response.arrayBuffer();
  instance.UI.VerificationOptions.addTrustedCertificates([
     certificateAsArrayBuffer,
    'https://mydomain.com/path/to/certificate1.cer',
    'https://mydomain.com/path/to/certificate2.crt',
  ])
});

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<static> enableOnlineCRLRevocationChecking()

Enables online CRL revocation checking for verifying certificates.

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<static> loadTrustList(TrustList)

Loads a Trust List to be used for Digital Signature Verification. The Trust List is structured in Acrobat's FDF Data/Cert Exchange format into the VerificationOptions certificate store. Certificates inside the FDF trust list that cannot be decoded and loaded, will be skipped.

Parameters:

Name	Type	Description
TrustList	Blob | ArrayBuffer | Int8Array | Uint8Array | Uint8ClampedArray	A buffer representation of FDF Certificate Exchange Data

Example

WebViewer(...).then(async function(instance) {
  const response = await fetch(
    'https://mydomain.com/api/returns/trustList/'
  );
  const trustListAsArrayBuffer = await response.arrayBuffer();
  instance.UI.VerificationOptions.loadTrustList(trustListAsArrayBuffer);
});

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<static> setRevocationProxyPrefix(proxy_server_url)

Sets the proxy URL server used for online revocation requests during Digital Signature Verification. Used to avoid CORS-related errors. The default value is https://proxy.pdftron.com.

Parameters:

Name	Type	Description
proxy_server_url	string	The URL (including the protocol such as 'https://') to use as a prefix for making online revocation requests through a proxy server to avoid CORS related issues

Example

WebViewer(...).then(async function(instance) {
  instance.UI.VerificationOptions.setRevocationProxyPrefix('https://proxy.mydomain.com');
});