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castLabs DRM FairPlay connector update #391

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Merged
tvanlaerhoven merged 3 commits into from
May 4, 2026
Merged

castLabs DRM FairPlay connector update #391

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0483ad0
Fix default license URL for FairPlay
ceyhun-o Apr 20, 2026
842cf17
Handle fetching a persistent license on FairPlay for caching
ceyhun-o Apr 20, 2026
9aaddaa
Pass custom data on certificate request
ceyhun-o Apr 20, 2026
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21 changes: 18 additions & 3 deletions drm/src/castlabs/CastLabsFairplayContentProtectionIntegration.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import {

export class CastLabsFairplayContentProtectionIntegration implements ContentProtectionIntegration {
static readonly DEFAULT_CERTIFICATE_URL = 'https://lic.drmtoday.com/license-server-fairplay/cert/';
static readonly DEFAULT_LICENSE_URL = 'https://lic.staging.drmtoday.com/license-server-fairplay/cert/';
static readonly DEFAULT_LICENSE_URL = 'https://lic.staging.drmtoday.com/license-server-fairplay/';

private readonly contentProtectionConfiguration: CastLabsDrmConfiguration;
private contentId: string | undefined = undefined;
Expand All @@ -31,20 +31,35 @@ export class CastLabsFairplayContentProtectionIntegration implements ContentProt
this.contentProtectionConfiguration.fairplay?.certificateURL ?? CastLabsFairplayContentProtectionIntegration.DEFAULT_CERTIFICATE_URL;
request.headers = {
...request.headers,
'x-dt-custom-data': this.customData!
};
return request;
}

onLicenseRequest(request: LicenseRequest): MaybeAsync<Partial<LicenseRequest> | BufferSource> {
request.url =
const isOffline = this.contentProtectionConfiguration.fairplay?.licenseType === 'persistent';

let licenseUrl =
this.contentProtectionConfiguration.fairplay?.licenseAcquisitionURL ?? CastLabsFairplayContentProtectionIntegration.DEFAULT_LICENSE_URL;

// Add offline parameter for persistent license / caching support
if (isOffline) {
const urlSeparator = licenseUrl.includes('?') ? '&' : '?';
licenseUrl = `${licenseUrl}${urlSeparator}offline=true`;
}

request.url = licenseUrl;
request.headers = {
...request.headers,
'x-dt-custom-data': this.customData!,
'x-dt-auth-token': this.contentProtectionConfiguration.integrationParameters.token ?? '',
'content-type': 'application/x-www-form-urlencoded',
};
const body = `spc=${encodeURIComponent(fromUint8ArrayToBase64String(request.body!))}&${encodeURIComponent(this.contentId!)}`;
const spcEncoded = encodeURIComponent(fromUint8ArrayToBase64String(request.body!));
let body = `spc=${spcEncoded}&${encodeURIComponent(this.contentId!)}`;
if (isOffline) {
body += '&offline=true';
}
request.body = fromStringToUint8Array(body);

return request;
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