From bb0c847cfb79b5a4e010df6a97b8222ccffd2a1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julius=20H=C3=A4rtl?= <jus@bitgrid.net>
Date: Mon, 15 Apr 2024 20:41:20 +0200
Subject: [PATCH] fix: Use Close_Session post message to properly end the
 Collabora editing before opening locally
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Signed-off-by: Julius Härtl <jus@bitgrid.net>
---
 cypress/e2e/integration.spec.js   | 28 ++++++++++++++++++----------
 lib/Controller/WopiController.php |  1 +
 src/mixins/openLocal.js           | 31 ++++++++++++++-----------------
 src/view/Office.vue               | 20 +++++++++++++++-----
 4 files changed, 48 insertions(+), 32 deletions(-)

diff --git a/cypress/e2e/integration.spec.js b/cypress/e2e/integration.spec.js
index 699206c37e..7401c94e26 100644
--- a/cypress/e2e/integration.spec.js
+++ b/cypress/e2e/integration.spec.js
@@ -101,20 +101,28 @@ describe('Nextcloud integration', function() {
 		cy.openFile('document.rtf')
 	})
 
-	it.skip('Open locally', function() {
+	it('Open locally', function() {
 		cy.get('@loleafletframe').within(() => {
 			cy.get('#Open_Local_Editor').click()
 		})
 
-		cy.get('.oc-dialog').should('be.visible')
-		cy.get('.oc-dialog .oc-dialog-title')
-			.should('contain', 'Open file locally ')
-
-		cy.on('url:changed', (newUrl) => {
-			expect(newUrl).to.contain('nc://')
-		})
-		cy.get('.oc-dialog button.primary').click()
-
+		cy.get('.confirmation-dialog').should('be.visible')
+		cy.get('.confirmation-dialog h1')
+			.should('contain', 'Open file locally')
+
+		cy.intercept({
+			method: 'POST',
+			url: '**/openlocaleditor',
+		}).as('getLocalToken')
+		cy.window()
+			.then((window) => {
+			  cy.stub(window, 'open').as('open')
+			})
+		cy.get('.confirmation-dialog button:contains("Open locally")').click()
+		cy.wait('@getLocalToken').its('response.statusCode').should('equal', 200)
+		cy.get('@open').should('have.been.calledOnce')
+		const nextcloudHost = new URL(Cypress.config('baseUrl')).host
+		cy.get('@open').its('firstCall.args.0').should('contain', 'nc://open/' + randUser.userId + '@' + nextcloudHost + '/document.odt')
 	})
 
 	it('Insert image', function() {
diff --git a/lib/Controller/WopiController.php b/lib/Controller/WopiController.php
index 298f1a3849..22303106e8 100644
--- a/lib/Controller/WopiController.php
+++ b/lib/Controller/WopiController.php
@@ -176,6 +176,7 @@ public function checkFileInfo($fileId, $access_token) {
 			'EnableInsertRemoteImage' => !$isPublic,
 			'EnableShare' => $file->isShareable() && !$isVersion && !$isPublic,
 			'HideUserList' => '',
+			'EnableOwnerTermination' => $wopi->getCanwrite() && !$isPublic,
 			'DisablePrint' => $wopi->getHideDownload(),
 			'DisableExport' => $wopi->getHideDownload(),
 			'DisableCopy' => $wopi->getHideDownload(),
diff --git a/src/mixins/openLocal.js b/src/mixins/openLocal.js
index fb6d50211c..87c1670cc2 100644
--- a/src/mixins/openLocal.js
+++ b/src/mixins/openLocal.js
@@ -37,20 +37,6 @@ export default {
 		startOpenLocalProcess() {
 			this.showOpenLocalConfirmation()
 		},
-		async unlockAndOpenLocally() {
-			if (this.openingLocally) {
-				let shouldContinue = true
-				try {
-					await this.unlockFile()
-				} catch (e) {
-					shouldContinue = e.response.status === 400
-				}
-
-				if (shouldContinue) {
-					this.openLocally()
-				}
-			}
-		},
 
 		showOpenLocalConfirmation() {
 			spawnDialog(
@@ -66,11 +52,22 @@ export default {
 						return
 					}
 					this.openingLocally = true
-					this.sendPostMessage('Get_Views')
+					this.postMessage.registerPostMessageHandler(this.handleCloseSession)
+					this.sendPostMessage('Action_Save', {
+						DontTerminateEdit: false,
+						DontSaveIfUnmodified: false,
+						Notify: false,
+					})
+					this.sendPostMessage('Close_Session')
 				},
 			)
 		},
 
+		handleCloseSession() {
+			this.postMessage.unregisterPostMessageHandler(this.handleCloseSession)
+			this.openLocally()
+		},
+
 		showOpenLocalFinished() {
 			const fileName = this.filename
 			spawnDialog(
@@ -87,7 +84,7 @@ export default {
 						return
 					}
 					this.openingLocally = true
-					this.sendPostMessage('Get_Views')
+					this.openLocally()
 				},
 			)
 		},
@@ -111,7 +108,7 @@ export default {
 
 					this.showOpenLocalFinished(url, window.top)
 					this.close()
-					window.location.href = url
+					window.open(url, '_self')
 				})
 			}
 		},
diff --git a/src/view/Office.vue b/src/view/Office.vue
index 882ea0e4cb..94dad8ad76 100644
--- a/src/view/Office.vue
+++ b/src/view/Office.vue
@@ -93,6 +93,7 @@ import NcEmptyContent from '@nextcloud/vue/dist/Components/NcEmptyContent.js'
 import NcLoadingIcon from '@nextcloud/vue/dist/Components/NcLoadingIcon.js'
 import AlertOctagonOutline from 'vue-material-design-icons/AlertOctagonOutline.vue'
 import { loadState } from '@nextcloud/initial-state'
+import { showInfo } from '@nextcloud/dialogs'
 
 import ZoteroHint from '../components/Modal/ZoteroHint.vue'
 import { basename, dirname } from 'path'
@@ -175,7 +176,6 @@ export default {
 			error: null,
 			errorType: null,
 			loadingMsg: null,
-			views: [],
 
 			showLinkPicker: false,
 			showZotero: false,
@@ -371,10 +371,8 @@ export default {
 			case 'UI_Close':
 				this.close()
 				break
-			case 'Get_Views_Resp':
-			case 'Views_List':
-				this.views = args
-				this.unlockAndOpenLocally()
+			case 'Session_Closed':
+				this.handleSessionClosed(args)
 				break
 			case 'UI_SaveAs':
 				this.saveAs(args.format)
@@ -446,6 +444,18 @@ export default {
 			}
 		},
 
+		handleSessionClosed({ Reason }) {
+			if (Reason !== 'OwnerTermination') {
+				return
+			}
+			if (this.openingLocally) {
+				return
+			}
+
+			showInfo(t('richdocuments', 'The collaborative editing was terminated by another user'))
+			this.close()
+		},
+
 	},
 }
 </script>