3 files changed, 16 insertions, 1 deletions

diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index e3da192..b1d05f8 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -32,7 +32,10 @@ export { ThemeSource } from './schemas/ThemeSource';
 
 export { Translation } from './schemas/Translation';
 
-export type { CertificateSnapshotIn } from './stores/Certificate';
+export type {
+  CertificatePrincipal,
+  CertificateSnapshotIn,
+} from './stores/Certificate';
 export { default as Certificate } from './stores/Certificate';
 
 export type {
diff --git a/packages/shared/src/schemas/ServiceAction.ts b/packages/shared/src/schemas/ServiceAction.ts
index cfaba08..c0f07d6 100644
--- a/packages/shared/src/schemas/ServiceAction.ts
+++ b/packages/shared/src/schemas/ServiceAction.ts
@@ -67,6 +67,10 @@ export const ServiceAction = /* @__PURE__ */ (() =>
     z.object({
       action: z.literal('dismiss-all-popups'),
     }),
+    z.object({
+      action: z.literal('download-certificate'),
+      fingerprint: z.string().nonempty(),
+    }),
   ]))();
 
 /*
diff --git a/packages/shared/src/stores/Certificate.ts b/packages/shared/src/stores/Certificate.ts
index 8b2d007..363406d 100644
--- a/packages/shared/src/stores/Certificate.ts
+++ b/packages/shared/src/stores/Certificate.ts
@@ -30,12 +30,20 @@ const CertificatePrincipal = /* @__PURE__ */ (() =>
     country: types.string,
   }))();
 
+/*
+  eslint-disable-next-line @typescript-eslint/no-redeclare --
+  Intentionally naming the type the same as the store definition.
+*/
+export interface CertificatePrincipal
+  extends Instance<typeof CertificatePrincipal> {}
+
 const Certificate = /* @__PURE__ */ (() =>
   types.model('Certificate', {
     data: types.string,
     issuer: CertificatePrincipal,
     issuerName: types.string,
     issuerCert: types.maybe(types.late((): IAnyModelType => Certificate)),
+    subject: CertificatePrincipal,
     subjectName: types.string,
     serialNumber: types.string,
     validStart: types.number,