From f5269cb7bd438a3f418c89b3baa58f4864597b12 Mon Sep 17 00:00:00 2001
From: Jannik Stehle <jannik.stehle@gmail.com>
Date: Wed, 29 Mar 2023 16:36:05 +0200
Subject: [PATCH] Implement GDPR export for users

---
 changelog/unreleased/enhancement-gdpr-export  |   6 +
 .../src/components/Account/GdprExport.vue     | 134 ++++++++++++++++++
 packages/web-runtime/src/pages/account.vue    |  16 ++-
 .../components/Account/GdprExport.spec.ts     |  93 ++++++++++++
 .../tests/unit/pages/account.spec.ts          |  15 +-
 5 files changed, 261 insertions(+), 3 deletions(-)
 create mode 100644 changelog/unreleased/enhancement-gdpr-export
 create mode 100644 packages/web-runtime/src/components/Account/GdprExport.vue
 create mode 100644 packages/web-runtime/tests/unit/components/Account/GdprExport.spec.ts

diff --git a/changelog/unreleased/enhancement-gdpr-export b/changelog/unreleased/enhancement-gdpr-export
new file mode 100644
index 00000000000..cc90bc9593c
--- /dev/null
+++ b/changelog/unreleased/enhancement-gdpr-export
@@ -0,0 +1,6 @@
+Enhancement: GDPR export
+
+Users can now request a GDPR export on their account page. Note that this is only supported when running oCIS as backend.
+
+https://github.com/owncloud/web/issues/8738
+https://github.com/owncloud/web/pull/8741
diff --git a/packages/web-runtime/src/components/Account/GdprExport.vue b/packages/web-runtime/src/components/Account/GdprExport.vue
new file mode 100644
index 00000000000..9f51272e6e5
--- /dev/null
+++ b/packages/web-runtime/src/components/Account/GdprExport.vue
@@ -0,0 +1,134 @@
+<template>
+  <span v-if="loading">
+    <oc-spinner />
+  </span>
+  <span
+    v-else-if="exportInProgress"
+    class="oc-flex oc-flex-middle"
+    data-testid="gdpr-export-in-process"
+  >
+    <oc-icon name="time" fill-type="line" size="small" class="oc-mr-s" />
+    <span v-text="$gettext('Export is being processed. This can take up to 24 hours.')" />
+  </span>
+  <div v-else>
+    <oc-button
+      appearance="raw"
+      variation="primary"
+      data-testid="request-gdpr-export-btn"
+      @click="requestExport"
+    >
+      <span v-text="$gettext('Request new export')" />
+    </oc-button>
+    <div v-if="exportFile" class="oc-flex oc-flex-middle">
+      <oc-button
+        appearance="raw"
+        variation="primary"
+        data-testid="download-gdpr-export-btn"
+        @click="downloadExport"
+      >
+        <oc-icon name="download" fill-type="line" size="small" />
+        <span v-text="$gettext('Download export')" />
+      </oc-button>
+      <span v-oc-tooltip="absoluteExportDate" class="oc-ml-s" v-text="`(${relativeExportDate})`" />
+    </div>
+  </div>
+</template>
+
+<script lang="ts">
+import { computed, defineComponent, onMounted, onUnmounted, ref, unref } from 'vue'
+import { useTask } from 'vue-concurrency'
+import { useGettext } from 'vue3-gettext'
+import { Resource } from 'web-client'
+import { useClientService, useStore } from 'web-pkg/src/composables'
+import { useDownloadFile } from 'web-pkg/src/composables/download'
+import { formatDateFromJSDate, formatRelativeDateFromJSDate } from 'web-pkg'
+
+const GDPR_EXPORT_FILE_NAME = '.personal_data_export.json'
+const POLLING_INTERVAL = 30000
+
+export default defineComponent({
+  name: 'GdprExport',
+  setup() {
+    const store = useStore()
+    const { $gettext, current: currentLanguage } = useGettext()
+    const clientService = useClientService()
+    const { downloadFile } = useDownloadFile()
+
+    const loading = ref(true)
+    const checkInterval = ref()
+    const exportFile = ref<Resource>()
+    const exportInProgress = ref(false)
+
+    const personalSpace = computed(() => {
+      return store.getters['runtime/spaces/spaces'].find((space) => space.driveType === 'personal')
+    })
+
+    const loadExportTask = useTask(function* () {
+      try {
+        exportFile.value = yield clientService.webdav.getFileInfo(unref(personalSpace), {
+          path: `/${GDPR_EXPORT_FILE_NAME}`
+        })
+        exportInProgress.value = false
+        if (unref(checkInterval)) {
+          clearInterval(unref(checkInterval))
+        }
+      } catch (e) {
+        if (e.statusCode === 425) {
+          // export has been triggered and is currently being processed
+          exportInProgress.value = true
+          if (!unref(checkInterval)) {
+            checkInterval.value = setInterval(() => {
+              loadExportTask.perform()
+            }, POLLING_INTERVAL)
+          }
+        }
+      } finally {
+        loading.value = false
+      }
+    }).restartable()
+
+    const requestExport = () => {
+      // TODO: Implement graph
+
+      exportInProgress.value = true
+      checkInterval.value = setInterval(() => {
+        loadExportTask.perform()
+      }, POLLING_INTERVAL)
+      return store.dispatch('showMessage', {
+        title: $gettext('GDPR export has been requested')
+      })
+    }
+    const downloadExport = () => {
+      return downloadFile(unref(exportFile))
+    }
+
+    const absoluteExportDate = computed(() => {
+      return formatDateFromJSDate(new Date(unref(exportFile).mdate), currentLanguage)
+    })
+    const relativeExportDate = computed(() => {
+      return formatRelativeDateFromJSDate(new Date(unref(exportFile).mdate), currentLanguage)
+    })
+
+    onMounted(() => {
+      loadExportTask.perform()
+    })
+
+    onUnmounted(() => {
+      if (unref(checkInterval)) {
+        clearInterval(unref(checkInterval))
+      }
+    })
+
+    return {
+      loading,
+      loadExportTask,
+      exportFile,
+      exportInProgress,
+      requestExport,
+      downloadExport,
+      absoluteExportDate,
+      relativeExportDate
+    }
+  }
+})
+</script>
diff --git a/packages/web-runtime/src/pages/account.vue b/packages/web-runtime/src/pages/account.vue
index c35cdbd349a..341a5a54d71 100644
--- a/packages/web-runtime/src/pages/account.vue
+++ b/packages/web-runtime/src/pages/account.vue
@@ -94,6 +94,12 @@
           </oc-button>
         </dd>
       </div>
+      <div v-if="isGdprExportEnabled" class="account-page-gdpr-export oc-mb oc-width-1-2@s">
+        <dt class="oc-text-normal oc-text-muted" v-text="$gettext('GDPR export')" />
+        <dd data-testid="gdpr-export">
+          <gdpr-export />
+        </dd>
+      </div>
     </dl>
   </main>
 </template>
@@ -113,22 +119,27 @@ import axios from 'axios'
 import { v4 as uuidV4 } from 'uuid'
 import { useGettext } from 'vue3-gettext'
 import { setCurrentLanguage } from 'web-runtime/src/helpers/language'
-import { configurationManager } from 'web-pkg/src/configuration'
+import GdprExport from 'web-runtime/src/components/Account/GdprExport.vue'
+import { useConfigurationManager } from 'web-pkg/src/composables/configuration'
 
 export default defineComponent({
   name: 'Personal',
   components: {
-    EditPasswordModal
+    EditPasswordModal,
+    GdprExport
   },
   setup() {
     const store = useStore()
     const accessToken = useAccessToken({ store })
     const language = useGettext()
     const clientService = useClientService()
+    const configurationManager = useConfigurationManager()
 
     // FIXME: Use graph capability when we have it
     const isLanguageSupported = useCapabilitySpacesEnabled()
     const isChangePasswordEnabled = useCapabilitySpacesEnabled()
+    // TODO: use correct capability
+    const isGdprExportEnabled = true
     const user = computed(() => {
       return store.getters.user
     })
@@ -235,6 +246,7 @@ export default defineComponent({
       updateSelectedLanguage,
       accountEditLink,
       isChangePasswordEnabled,
+      isGdprExportEnabled,
       isLanguageSupported,
       groupNames,
       user,
diff --git a/packages/web-runtime/tests/unit/components/Account/GdprExport.spec.ts b/packages/web-runtime/tests/unit/components/Account/GdprExport.spec.ts
new file mode 100644
index 00000000000..3298eef48e7
--- /dev/null
+++ b/packages/web-runtime/tests/unit/components/Account/GdprExport.spec.ts
@@ -0,0 +1,93 @@
+import GdprExport from 'web-runtime/src/components/Account/GdprExport.vue'
+import {
+  createStore,
+  defaultComponentMocks,
+  defaultPlugins,
+  shallowMount,
+  defaultStoreMockOptions
+} from 'web-test-helpers'
+import { mock, mockDeep } from 'jest-mock-extended'
+import { ClientService } from 'web-pkg'
+import { Resource } from 'web-client/src'
+
+const selectors = {
+  ocSpinnerStub: 'oc-spinner-stub',
+  requestGdprExportBtn: '[data-testid="request-gdpr-export-btn"]',
+  downloadGdprExportBtn: '[data-testid="download-gdpr-export-btn"]',
+  gdprExportInProgress: '[data-testid="gdpr-export-in-process"]'
+}
+
+const downloadFile = jest.fn()
+jest.mock('web-pkg/src/composables/download', () => ({
+  useDownloadFile: jest.fn(() => ({ downloadFile }))
+}))
+
+describe('GdprExport component', () => {
+  it('shows the loading spinner initially', () => {
+    const { wrapper } = getWrapper()
+    expect(wrapper.find(selectors.ocSpinnerStub).exists()).toBeTruthy()
+  })
+  describe('request button', () => {
+    it('shows if no gdpr export exists', async () => {
+      const clientService = mockDeep<ClientService>()
+      clientService.webdav.getFileInfo.mockRejectedValue({ statusCode: 404 })
+      const { wrapper } = getWrapper(clientService)
+      await wrapper.vm.loadExportTask.last
+      expect(wrapper.find(selectors.requestGdprExportBtn).exists()).toBeTruthy()
+    })
+    it('does not show when an export is being processed', async () => {
+      const clientService = mockDeep<ClientService>()
+      clientService.webdav.getFileInfo.mockRejectedValue({ statusCode: 425 })
+      const { wrapper } = getWrapper(clientService)
+      await wrapper.vm.loadExportTask.last
+      expect(wrapper.find(selectors.requestGdprExportBtn).exists()).toBeFalsy()
+    })
+    it.todo('triggers the export when being clicked')
+  })
+  describe('download button', () => {
+    it('shows if a gdpr export exists', async () => {
+      const { wrapper } = getWrapper()
+      await wrapper.vm.loadExportTask.last
+      expect(wrapper.find(selectors.downloadGdprExportBtn).exists()).toBeTruthy()
+    })
+    it('does not show if no export exists', async () => {
+      const clientService = mockDeep<ClientService>()
+      clientService.webdav.getFileInfo.mockRejectedValue({})
+      const { wrapper } = getWrapper(clientService)
+      await wrapper.vm.loadExportTask.last
+      expect(wrapper.find(selectors.downloadGdprExportBtn).exists()).toBeFalsy()
+    })
+    it('triggers the download when being clicked', async () => {
+      const { wrapper } = getWrapper()
+      await wrapper.vm.loadExportTask.last
+      await wrapper.find(selectors.downloadGdprExportBtn).trigger('click')
+      expect(downloadFile).toHaveBeenCalled()
+    })
+  })
+  it('shows a "in progress"-hint', async () => {
+    const clientService = mockDeep<ClientService>()
+    clientService.webdav.getFileInfo.mockRejectedValue({ statusCode: 425 })
+    const { wrapper } = getWrapper(clientService)
+    await wrapper.vm.loadExportTask.last
+    expect(wrapper.find(selectors.gdprExportInProgress).exists()).toBeTruthy()
+  })
+})
+
+function getWrapper(clientService = undefined) {
+  if (!clientService) {
+    clientService = mockDeep<ClientService>()
+    clientService.webdav.getFileInfo.mockResolvedValue(mock<Resource>())
+  }
+  const mocks = defaultComponentMocks()
+  mocks.$clientService = clientService
+  const store = createStore(defaultStoreMockOptions)
+  return {
+    mocks,
+    wrapper: shallowMount(GdprExport, {
+      global: {
+        mocks,
+        plugins: [...defaultPlugins(), store]
+      }
+    })
+  }
+}
diff --git a/packages/web-runtime/tests/unit/pages/account.spec.ts b/packages/web-runtime/tests/unit/pages/account.spec.ts
index 948ca3b12cb..407ee396005 100644
--- a/packages/web-runtime/tests/unit/pages/account.spec.ts
+++ b/packages/web-runtime/tests/unit/pages/account.spec.ts
@@ -20,7 +20,8 @@ const selectors = {
   editUrlButton: '[data-testid="account-page-edit-url-btn"]',
   accountPageInfo: '.account-page-info',
   groupNames: '[data-testid="group-names"]',
-  groupNamesEmpty: '[data-testid="group-names-empty"]'
+  groupNamesEmpty: '[data-testid="group-names-empty"]',
+  gdprExport: '[data-testid="gdpr-export"]'
 }
 
 jest.mock('web-pkg/src/configuration', () => ({
@@ -88,6 +89,18 @@ describe('account page', () => {
     })
   })
 
+  // TODO: un-skip if capabilities are implemented
+  describe.skip('gdpr export section', () => {
+    it('does not show if not announced via capabilities', () => {
+      const { wrapper } = getWrapper()
+      expect(wrapper.find(selectors.gdprExport).exists()).toBeFalsy()
+    })
+    it('does show if announced via capabilities', () => {
+      const { wrapper } = getWrapper({ capabilities: {} })
+      expect(wrapper.find(selectors.gdprExport).exists()).toBeTruthy()
+    })
+  })
+
   describe('method "editPassword"', () => {
     it('should show message on success', async () => {
       const { wrapper, mocks } = getWrapper()