chore(galaxy): Operation for retrieving authorized identities

platform/galaxy/src/index.ts

@@ -25,7 +25,7 @@ const plugins = [
         galaxyApiKey: {
           type: 'apiKey',
           in: 'header',
-          name: 'X-GALAXY-API-KEY',
+          name: 'X-GALAXY-KEY',
           description: 'Galaxy API Key',
         },
         bearerAuthorization: {

platform/galaxy/src/schema/resolvers/authorization.ts

@@ -12,6 +12,13 @@ import { ResolverContext } from './common'
 import createCoreClient from '@proofzero/platform-clients/core'
 import { getAuthzHeaderConditionallyFromToken } from '@proofzero/utils'
 import { generateTraceContextHeaders } from '@proofzero/platform-middleware/trace'
+import { GraphQLError } from 'graphql/error'
+import { AppAPIKeyHeader } from '@proofzero/types/headers'
+import {
+  ApplicationURN,
+  ApplicationURNSpace,
+} from '@proofzero/urns/application'
+import * as jose from 'jose'
 
 const authorizationResolvers: Resolvers = {
   Query: {
@@ -29,6 +36,53 @@ const authorizationResolvers: Resolvers = {
         clientId,
       })
     },
+    getAuthorizedIdentities: async (
+      _parent: any,
+      { opts }: { opts: { limit: number; offset: number } },
+      { env, apiKey, traceSpan }: ResolverContext
+    ) => {
+      const coreClient = createCoreClient(env.Core, {
+        ...generateTraceContextHeaders(traceSpan),
+        [AppAPIKeyHeader]: apiKey,
+      })
+      const { limit, offset } = opts
+
+      //Check if valid numbers, including value of 0 for offset
+      if (
+        limit == null ||
+        offset == null ||
+        !Number.isInteger(limit) ||
+        !Number.isInteger(offset) ||
+        limit > 50 ||
+        limit < 1
+      )
+        throw new GraphQLError(
+          'Limit and offset numbers need to be provided, with the limit beging between 1 and 50'
+        )
+
+      let clientIdFromApiKey
+      try {
+        const apiKeyApplicationURN = jose.decodeJwt(apiKey)
+          .sub as ApplicationURN
+        clientIdFromApiKey =
+          ApplicationURNSpace.nss(apiKeyApplicationURN).split('/')[1]
+      } catch (e) {
+        console.error('Error parsing clientId', e)
+        throw new GraphQLError('Could not retrieve clientId from API key.')
+      }
+
+      const edgeResults =
+        await coreClient.starbase.getAuthorizedIdentities.query({
+          client: clientIdFromApiKey,
+          opt: {
+            limit,
+            offset,
+          },
+        })
+      return edgeResults.identities.map(({ identityURN, imageURL, name }) => {
+        return { identityURN, imageURL, name }
+      })
+    },
   },
   Mutation: {
     setExternalAppData: async (
@@ -60,6 +114,12 @@ const AuthorizationResolverComposition = {
     isAuthorized(),
     logAnalytics(),
   ],
+  'Query.getAuthorizedIdentities': [
+    requestLogging(),
+    setupContext(),
+    validateApiKey(),
+    logAnalytics(),
+  ],
   'Mutation.setExternalAppData': [
     requestLogging(),
     setupContext(),

platform/galaxy/src/schema/types/authorization.ts

@@ -1,6 +1,13 @@
 export default /* GraphQL */ `
+  type AuthorizationIdentity {
+    identityURN: String
+    name: String
+    imageURL: String
+  }
+
   type Query {
     getExternalAppData: JSON
+    getAuthorizedIdentities(opts: Pagination!): [AuthorizationIdentity]
   }
 
   type Mutation {

platform/galaxy/src/schema/types/common.ts

@@ -1,3 +1,8 @@
 export default /* GraphQL */ `
   scalar JSON
+
+  input Pagination {
+    offset: Int!
+    limit: Int!
+  }
 `

platform/starbase/src/jsonrpc/router.ts

@@ -212,6 +212,7 @@ export const appRouter = t.router({
   getAuthorizedIdentities: t.procedure
     .use(AuthorizationTokenFromHeader)
     .use(ValidateJWT)
+    .use(ApiKeyExtractMiddleware)
     .use(LogUsage)
     .use(Analytics)
     .use(OwnAppsMiddleware)