Removed old explore implementation (#1472)

ref https://linear.app/ghost/issue/BER-3040

Removed all code associated with the old explore implementation (generating the
global static JSON, having accounts follow specific mastodon account etc.)

Author: mike182uk

.github/renovate.json5

@@ -29,11 +29,6 @@
     {
       "matchPackagePatterns": ["^@fedify/"],
       "automerge": false
-    },
-    {
-      // Exclude dependencies in jobs that don't have automated tests
-      "matchPaths": ["jobs/populate-explore-json/**"],
-      "enabled": false
     }
   ]
 }

.github/workflows/build.yml

@@ -220,61 +220,6 @@ jobs:
           path: /tmp/activitypub-migrations-${{ matrix.platform_slug }}.tar
           retention-days: 1
 
-  build-populate-explore-json-job:
-    name: Build Populate Explore JSON Job
-    runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Check for changes in populate explore json job
-        id: changes
-        uses: dorny/paths-filter@v3
-        with:
-          filters: |
-            populate-explore-json:
-              - 'jobs/populate-explore-json/**'
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Docker metadata
-        if: steps.changes.outputs.populate-explore-json == 'true'
-        id: populate-explore-json-meta
-        uses: docker/metadata-action@v5
-        with:
-          images: europe-docker.pkg.dev/ghost-activitypub/activitypub/populate-explore-json
-          tags: |
-            type=sha
-            type=edge,branch=main
-
-      - name: Authenticate with GCP
-        if: steps.changes.outputs.populate-explore-json == 'true'
-        uses: google-github-actions/auth@v2
-        id: gcp-auth
-        with:
-          token_format: access_token
-          workload_identity_provider: projects/687476608778/locations/global/workloadIdentityPools/github-oidc-activitypub/providers/github-provider-activitypub
-          service_account: prd-activitypub-terraform-cicd@ghost-activitypub.iam.gserviceaccount.com
-
-      - name: Login to GCP Artifact Registry
-        if: steps.changes.outputs.populate-explore-json == 'true'
-        uses: docker/login-action@v3
-        with:
-          registry: europe-docker.pkg.dev
-          username: oauth2accesstoken
-          password: ${{ steps.gcp-auth.outputs.access_token }}
-
-      - name: Build populate explore json job image
-        if: steps.changes.outputs.populate-explore-json == 'true'
-        uses: docker/build-push-action@v6
-        with:
-          context: jobs/populate-explore-json
-          load: true
-          tags: ${{ steps.populate-explore-json-meta.outputs.tags }}
-          push: true
-
   build-reconcile-account-topics-job:
     name: Build Reconcile Account Topics Job
     runs-on: ubuntu-latest

features/step_definitions/index.js

@@ -15,7 +15,6 @@ import { getWebhookSecret } from '../support/fixtures.js';
 import { getCurrentDirectory } from '../support/path.js';
 import { fetchActivityPub } from '../support/request.js';
 import {
-    getExternalWiremock,
     getGhostWiremock,
     reset as resetWiremock,
 } from '../support/wiremock.js';
@@ -28,7 +27,6 @@ AfterAll(async () => {
 
 BeforeAll(async function setupWiremock() {
     const ghostActivityPub = getGhostWiremock();
-    const externalActivityPub = getExternalWiremock();
 
     const publicKey = fs.readFileSync(
         resolve(getCurrentDirectory(), '../fixtures/private.key'),
@@ -77,57 +75,6 @@ BeforeAll(async function setupWiremock() {
                 },
             },
         ),
-        // Stub Ghost Explore actor on mastodon.social
-        externalActivityPub.register(
-            {
-                method: 'GET',
-                endpoint: '/users/ghostexplore',
-            },
-            {
-                status: 200,
-                body: {
-                    '@context': [
-                        'https://www.w3.org/ns/activitystreams',
-                        'https://w3id.org/security/data-integrity/v1',
-                    ],
-                    id: 'https://mastodon.social/users/ghostexplore',
-                    url: 'https://mastodon.social/@ghostexplore',
-                    type: 'Service',
-                    preferredUsername: 'ghostexplore',
-                    name: 'Ghost Explore',
-                    summary:
-                        '<p>An aggregator of Ghost publications in the Fediverse</p>',
-                    inbox: 'https://mastodon.social/users/ghostexplore/inbox',
-                    outbox: 'https://mastodon.social/users/ghostexplore/outbox',
-                    followers:
-                        'https://mastodon.social/users/ghostexplore/followers',
-                    following:
-                        'https://mastodon.social/users/ghostexplore/following',
-                    liked: 'https://mastodon.social/users/ghostexplore/liked',
-                    'https://w3id.org/security#publicKey': {
-                        id: 'https://mastodon.social/users/ghostexplore#main-key',
-                        type: 'https://w3id.org/security#Key',
-                        'https://w3id.org/security#owner': {
-                            id: 'https://mastodon.social/users/ghostexplore',
-                        },
-                        'https://w3id.org/security#publicKeyPem':
-                            '-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtSc3IqGjRaO3vcFdQ15D\nF90WVJC6tb2QwYBh9kQYVlQ1VhBiF6E4GK2okvyvukIL5PHLCgfQrfJmSiopk9Xo\n46Qri6rJbcPoWoZz/jWN0pfmU20hNuTQx6ebSoSkg6rHv1MKuy5LmDGLFC2ze3kU\nsY8u7X6TOBrifs/N+goLaH3+SkT2hZDKWJrmDyHzj043KLvXs/eiyu50M+ERoSlg\n70uO7QAXQFuLMILdy0UNJFM4xjlK6q4Jfbm4MC8QRG+i31AkmNvpY9JqCLqu0mGD\nBrdfJeN8PN+7DHW/Pzspf5RlJtlvBx1dS8Bxo2xteUyLGIaTZ9HZFhHc3IrmmKeW\naQIDAQAB\n-----END PUBLIC KEY-----\n',
-                    },
-                },
-                headers: {
-                    'Content-Type': 'application/activity+json',
-                },
-            },
-        ),
-        externalActivityPub.register(
-            {
-                method: 'POST',
-                endpoint: '/users/ghostexplore/inbox',
-            },
-            {
-                status: 202,
-            },
-        ),
     ]);
 });