diff --git a/apps/files/src/components/BreadCrumbs.vue b/apps/files/src/components/BreadCrumbs.vue
index c0048324d9102..88f592a4cdfca 100644
--- a/apps/files/src/components/BreadCrumbs.vue
+++ b/apps/files/src/components/BreadCrumbs.vue
@@ -54,6 +54,7 @@ import { useSelectionStore } from '../store/selection.ts'
 import { useUploaderStore } from '../store/uploader.ts'
 import filesListWidthMixin from '../mixins/filesListWidth.ts'
 import logger from '../logger'
+import type { FileSource } from '../types.ts'
 
 export default defineComponent({
 	name: 'BreadCrumbs',
@@ -106,8 +107,9 @@ export default defineComponent({
 
 		sections() {
 			return this.dirs.map((dir: string, index: number) => {
-				const fileid = this.getFileIdFromPath(dir)
-				const to = { ...this.$route, params: { fileid }, query: { dir } }
+				const source = this.getFileSourceFromPath(dir)
+				const node: Node | undefined = source ? this.getNodeFromSource(source) : undefined
+				const to = { ...this.$route, params: { node: node?.fileid }, query: { dir } }
 				return {
 					dir,
 					exact: true,
@@ -136,19 +138,19 @@ export default defineComponent({
 		},
 
 		selectedFiles() {
-			return this.selectionStore.selected
+			return this.selectionStore.selected as FileSource[]
 		},
 
 		draggingFiles() {
-			return this.draggingStore.dragging
+			return this.draggingStore.dragging as FileSource[]
 		},
 	},
 
 	methods: {
-		getNodeFromId(id: number): Node | undefined {
-			return this.filesStore.getNode(id)
+		getNodeFromSource(source: FileSource): Node | undefined {
+			return this.filesStore.getNode(source)
 		},
-		getFileIdFromPath(path: string): number | undefined {
+		getFileSourceFromPath(path: string): FileSource | undefined {
 			return this.pathsStore.getPath(this.currentView?.id, path)
 		},
 		getDirDisplayName(path: string): string {
@@ -156,8 +158,8 @@ export default defineComponent({
 				return this.$navigation?.active?.name || t('files', 'Home')
 			}
 
-			const fileId: number | undefined = this.getFileIdFromPath(path)
-			const node: Node | undefined = (fileId) ? this.getNodeFromId(fileId) : undefined
+			const source: FileSource | undefined = this.getFileSourceFromPath(path)
+			const node: Node | undefined = source ? this.getNodeFromSource(source) : undefined
 			return node?.attributes?.displayName || basename(path)
 		},
 
@@ -227,12 +229,12 @@ export default defineComponent({
 			}
 
 			// Else we're moving/copying files
-			const nodes = selection.map(fileid => this.filesStore.getNode(fileid)) as Node[]
+			const nodes = selection.map(source => this.filesStore.getNode(source)) as Node[]
 			await onDropInternalFiles(nodes, folder, contents.contents, isCopy)
 
 			// Reset selection after we dropped the files
 			// if the dropped files are within the selection
-			if (selection.some(fileid => this.selectedFiles.includes(fileid))) {
+			if (selection.some(source => this.selectedFiles.includes(source))) {
 				logger.debug('Dropped selection, resetting select store...')
 				this.selectionStore.reset()
 			}
diff --git a/apps/files/src/components/FileEntry/FileEntryCheckbox.vue b/apps/files/src/components/FileEntry/FileEntryCheckbox.vue
index edb94e65f27a5..987b48ef8aeb8 100644
--- a/apps/files/src/components/FileEntry/FileEntryCheckbox.vue
+++ b/apps/files/src/components/FileEntry/FileEntryCheckbox.vue
@@ -24,6 +24,7 @@ import NcLoadingIcon from '@nextcloud/vue/dist/Components/NcLoadingIcon.js'
 import { useKeyboardStore } from '../../store/keyboard.ts'
 import { useSelectionStore } from '../../store/selection.ts'
 import logger from '../../logger.js'
+import type { FileSource } from '../../types.ts'
 
 export default defineComponent({
 	name: 'FileEntryCheckbox',
@@ -66,10 +67,10 @@ export default defineComponent({
 			return this.selectionStore.selected
 		},
 		isSelected() {
-			return this.selectedFiles.includes(this.fileid)
+			return this.selectedFiles.includes(this.source.source)
 		},
 		index() {
-			return this.nodes.findIndex((node: Node) => node.fileid === this.fileid)
+			return this.nodes.findIndex((node: Node) => node.source === this.source.source)
 		},
 		isFile() {
 			return this.source.type === FileType.File
@@ -88,20 +89,20 @@ export default defineComponent({
 
 			// Get the last selected and select all files in between
 			if (this.keyboardStore?.shiftKey && lastSelectedIndex !== null) {
-				const isAlreadySelected = this.selectedFiles.includes(this.fileid)
+				const isAlreadySelected = this.selectedFiles.includes(this.source.source)
 
 				const start = Math.min(newSelectedIndex, lastSelectedIndex)
 				const end = Math.max(lastSelectedIndex, newSelectedIndex)
 
 				const lastSelection = this.selectionStore.lastSelection
 				const filesToSelect = this.nodes
-					.map(file => file.fileid)
+					.map(file => file.source)
 					.slice(start, end + 1)
-					.filter(Boolean) as number[]
+					.filter(Boolean) as FileSource[]
 
 				// If already selected, update the new selection _without_ the current file
 				const selection = [...lastSelection, ...filesToSelect]
-					.filter(fileid => !isAlreadySelected || fileid !== this.fileid)
+					.filter(source => !isAlreadySelected || source !== this.source.source)
 
 				logger.debug('Shift key pressed, selecting all files in between', { start, end, filesToSelect, isAlreadySelected })
 				// Keep previous lastSelectedIndex to be use for further shift selections
@@ -110,8 +111,8 @@ export default defineComponent({
 			}
 
 			const selection = selected
-				? [...this.selectedFiles, this.fileid]
-				: this.selectedFiles.filter(fileid => fileid !== this.fileid)
+				? [...this.selectedFiles, this.source.source]
+				: this.selectedFiles.filter(source => source !== this.source.source)
 
 			logger.debug('Updating selection', { selection })
 			this.selectionStore.set(selection)
diff --git a/apps/files/src/components/FileEntryMixin.ts b/apps/files/src/components/FileEntryMixin.ts
index 4f6c0899910ab..c56c10de75aea 100644
--- a/apps/files/src/components/FileEntryMixin.ts
+++ b/apps/files/src/components/FileEntryMixin.ts
@@ -4,6 +4,7 @@
  */
 
 import type { ComponentPublicInstance, PropType } from 'vue'
+import type { FileSource } from '../types.ts'
 
 import { showError } from '@nextcloud/dialogs'
 import { FileType, Permission, Folder, File as NcFile, NodeStatus, Node, View } from '@nextcloud/files'
@@ -85,13 +86,13 @@ export default defineComponent({
 		},
 
 		draggingFiles() {
-			return this.draggingStore.dragging
+			return this.draggingStore.dragging as FileSource[]
 		},
 		selectedFiles() {
-			return this.selectionStore.selected
+			return this.selectionStore.selected as FileSource[]
 		},
 		isSelected() {
-			return this.fileid && this.selectedFiles.includes(this.fileid)
+			return this.selectedFiles.includes(this.source.source)
 		},
 
 		isRenaming() {
@@ -116,7 +117,7 @@ export default defineComponent({
 
 			// If we're dragging a selection, we need to check all files
 			if (this.selectedFiles.length > 0) {
-				const nodes = this.selectedFiles.map(fileid => this.filesStore.getNode(fileid)) as Node[]
+				const nodes = this.selectedFiles.map(source => this.filesStore.getNode(source)) as Node[]
 				return nodes.every(canDrag)
 			}
 			return canDrag(this.source)
@@ -128,7 +129,7 @@ export default defineComponent({
 			}
 
 			// If the current folder is also being dragged, we can't drop it on itself
-			if (this.fileid && this.draggingFiles.includes(this.fileid)) {
+			if (this.draggingFiles.includes(this.source.source)) {
 				return false
 			}
 
@@ -269,14 +270,14 @@ export default defineComponent({
 
 			// Dragging set of files, if we're dragging a file
 			// that is already selected, we use the entire selection
-			if (this.selectedFiles.includes(this.fileid)) {
+			if (this.selectedFiles.includes(this.source.source)) {
 				this.draggingStore.set(this.selectedFiles)
 			} else {
-				this.draggingStore.set([this.fileid])
+				this.draggingStore.set([this.source.source])
 			}
 
 			const nodes = this.draggingStore.dragging
-				.map(fileid => this.filesStore.getNode(fileid)) as Node[]
+				.map(source => this.filesStore.getNode(source)) as Node[]
 
 			const image = await getDragAndDropPreview(nodes)
 			event.dataTransfer?.setDragImage(image, -10, -10)
@@ -330,12 +331,12 @@ export default defineComponent({
 			}
 
 			// Else we're moving/copying files
-			const nodes = selection.map(fileid => this.filesStore.getNode(fileid)) as Node[]
+			const nodes = selection.map(source => this.filesStore.getNode(source)) as Node[]
 			await onDropInternalFiles(nodes, folder, contents.contents, isCopy)
 
 			// Reset selection after we dropped the files
 			// if the dropped files are within the selection
-			if (selection.some(fileid => this.selectedFiles.includes(fileid))) {
+			if (selection.some(source => this.selectedFiles.includes(source))) {
 				logger.debug('Dropped selection, resetting select store...')
 				this.selectionStore.reset()
 			}
diff --git a/apps/files/src/components/FilesListTableHeader.vue b/apps/files/src/components/FilesListTableHeader.vue
index 5172202662a59..7134c957fb8c4 100644
--- a/apps/files/src/components/FilesListTableHeader.vue
+++ b/apps/files/src/components/FilesListTableHeader.vue
@@ -64,6 +64,7 @@ import FilesListTableHeaderButton from './FilesListTableHeaderButton.vue'
 import filesSortingMixin from '../mixins/filesSorting.ts'
 import logger from '../logger.js'
 import type { Node } from '@nextcloud/files'
+import type { FileSource } from '../types.ts'
 
 export default defineComponent({
 	name: 'FilesListTableHeader',
@@ -169,7 +170,7 @@ export default defineComponent({
 
 		onToggleAll(selected) {
 			if (selected) {
-				const selection = this.nodes.map(node => node.fileid).filter(Boolean) as number[]
+				const selection = this.nodes.map(node => node.source).filter(Boolean) as FileSource[]
 				logger.debug('Added all nodes to selection', { selection })
 				this.selectionStore.setLastIndex(null)
 				this.selectionStore.set(selection)
diff --git a/apps/files/src/components/FilesListTableHeaderActions.vue b/apps/files/src/components/FilesListTableHeaderActions.vue
index 4dd868adf249d..c73cd05d01667 100644
--- a/apps/files/src/components/FilesListTableHeaderActions.vue
+++ b/apps/files/src/components/FilesListTableHeaderActions.vue
@@ -39,7 +39,7 @@ import { useFilesStore } from '../store/files.ts'
 import { useSelectionStore } from '../store/selection.ts'
 import filesListWidthMixin from '../mixins/filesListWidth.ts'
 import logger from '../logger.js'
-import type { FileId } from '../types'
+import type { FileSource } from '../types'
 
 // The registered actions list
 const actions = getFileActions()
@@ -64,7 +64,7 @@ export default defineComponent({
 			required: true,
 		},
 		selectedNodes: {
-			type: Array as PropType<FileId[]>,
+			type: Array as PropType<FileSource[]>,
 			default: () => ([]),
 		},
 	},
@@ -100,7 +100,7 @@ export default defineComponent({
 
 		nodes() {
 			return this.selectedNodes
-				.map(fileid => this.getNode(fileid))
+				.map(source => this.getNode(source))
 				.filter(Boolean) as Node[]
 		},
 
@@ -144,7 +144,7 @@ export default defineComponent({
 
 		async onActionClick(action) {
 			const displayName = action.displayName(this.nodes, this.currentView)
-			const selectionIds = this.selectedNodes
+			const selectionSources = this.selectedNodes
 			try {
 				// Set loading markers
 				this.loading = action.id
@@ -165,9 +165,9 @@ export default defineComponent({
 				// Handle potential failures
 				if (results.some(result => result === false)) {
 					// Remove the failed ids from the selection
-					const failedIds = selectionIds
-						.filter((fileid, index) => results[index] === false)
-					this.selectionStore.set(failedIds)
+					const failedSources = selectionSources
+						.filter((source, index) => results[index] === false)
+					this.selectionStore.set(failedSources)
 
 					if (results.some(result => result === null)) {
 						// If some actions returned null, we assume that the dev
diff --git a/apps/files/src/store/dragging.ts b/apps/files/src/store/dragging.ts
index 197e18415588e..74de1c4af1699 100644
--- a/apps/files/src/store/dragging.ts
+++ b/apps/files/src/store/dragging.ts
@@ -4,7 +4,7 @@
  */
 import { defineStore } from 'pinia'
 import Vue from 'vue'
-import type { FileId, DragAndDropStore } from '../types'
+import type { DragAndDropStore, FileSource } from '../types'
 
 export const useDragAndDropStore = defineStore('dragging', {
 	state: () => ({
@@ -15,7 +15,7 @@ export const useDragAndDropStore = defineStore('dragging', {
 		/**
 		 * Set the selection of fileIds
 		 */
-		set(selection = [] as FileId[]) {
+		set(selection = [] as FileSource[]) {
 			Vue.set(this, 'dragging', selection)
 		},
 
diff --git a/apps/files/src/store/files.ts b/apps/files/src/store/files.ts
index 36e7ad37cfd42..bf09ec7f88a56 100644
--- a/apps/files/src/store/files.ts
+++ b/apps/files/src/store/files.ts
@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 import type { Folder, Node } from '@nextcloud/files'
-import type { FilesStore, RootsStore, RootOptions, Service, FilesState, FileId } from '../types'
+import type { FilesStore, RootsStore, RootOptions, Service, FilesState, FileSource } from '../types'
 
 import { defineStore } from 'pinia'
 import { subscribe } from '@nextcloud/event-bus'
@@ -19,19 +19,20 @@ export const useFilesStore = function(...args) {
 
 		getters: {
 			/**
-			 * Get a file or folder by id
+			 * Get a file or folder by its source
 			 */
-			getNode: (state) => (id: FileId): Node|undefined => state.files[id],
+			getNode: (state) => (source: FileSource): Node|undefined => state.files[source],
 
 			/**
 			 * Get a list of files or folders by their IDs
-			 * Does not return undefined values
+			 * Note: does not return undefined values
 			 */
-			getNodes: (state) => (ids: FileId[]): Node[] => ids
-				.map(id => state.files[id])
+			getNodes: (state) => (sources: FileSource[]): Node[] => sources
+				.map(source => state.files[source])
 				.filter(Boolean),
+
 			/**
-			 * Get a file or folder by id
+			 * Get the root folder of a service
 			 */
 			getRoot: (state) => (service: Service): Folder|undefined => state.roots[service],
 		},
@@ -41,10 +42,11 @@ export const useFilesStore = function(...args) {
 				// Update the store all at once
 				const files = nodes.reduce((acc, node) => {
 					if (!node.fileid) {
-						logger.error('Trying to update/set a node without fileid', node)
+						logger.error('Trying to update/set a node without fileid', { node })
 						return acc
 					}
-					acc[node.fileid] = node
+
+					acc[node.source] = node
 					return acc
 				}, {} as FilesStore)
 
@@ -53,8 +55,8 @@ export const useFilesStore = function(...args) {
 
 			deleteNodes(nodes: Node[]) {
 				nodes.forEach(node => {
-					if (node.fileid) {
-						Vue.delete(this.files, node.fileid)
+					if (node.source) {
+						Vue.delete(this.files, node.source)
 					}
 				})
 			},
diff --git a/apps/files/src/store/paths.ts b/apps/files/src/store/paths.ts
index 23fd69a91e62a..2993cc9d70416 100644
--- a/apps/files/src/store/paths.ts
+++ b/apps/files/src/store/paths.ts
@@ -2,7 +2,7 @@
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import type { FileId, PathsStore, PathOptions, ServicesState } from '../types'
+import type { FileSource, PathsStore, PathOptions, ServicesState } from '../types'
 import { defineStore } from 'pinia'
 import { FileType, Folder, Node, getNavigation } from '@nextcloud/files'
 import { subscribe } from '@nextcloud/event-bus'
@@ -21,7 +21,7 @@ export const usePathsStore = function(...args) {
 
 		getters: {
 			getPath: (state) => {
-				return (service: string, path: string): FileId|undefined => {
+				return (service: string, path: string): FileSource|undefined => {
 					if (!state.paths[service]) {
 						return undefined
 					}
@@ -38,7 +38,7 @@ export const usePathsStore = function(...args) {
 				}
 
 				// Now we can set the provided path
-				Vue.set(this.paths[payload.service], payload.path, payload.fileid)
+				Vue.set(this.paths[payload.service], payload.path, payload.source)
 			},
 
 			onCreatedNode(node: Node) {
@@ -53,7 +53,7 @@ export const usePathsStore = function(...args) {
 					this.addPath({
 						service,
 						path: node.path,
-						fileid: node.fileid,
+						source: node.source,
 					})
 				}
 
@@ -64,26 +64,26 @@ export const usePathsStore = function(...args) {
 					if (!root._children) {
 						Vue.set(root, '_children', [])
 					}
-					root._children.push(node.fileid)
+					root._children.push(node.source)
 					return
 				}
 
 				// If the folder doesn't exists yet, it will be
 				// fetched later and its children updated anyway.
 				if (this.paths[service][node.dirname]) {
-					const parentId = this.paths[service][node.dirname]
-					const parentFolder = files.getNode(parentId) as Folder
+					const parentSource = this.paths[service][node.dirname]
+					const parentFolder = files.getNode(parentSource) as Folder
 					logger.debug('Path already exists, updating children', { parentFolder, node })
 
 					if (!parentFolder) {
-						logger.error('Parent folder not found', { parentId })
+						logger.error('Parent folder not found', { parentSource })
 						return
 					}
 
 					if (!parentFolder._children) {
 						Vue.set(parentFolder, '_children', [])
 					}
-					parentFolder._children.push(node.fileid)
+					parentFolder._children.push(node.source)
 					return
 				}
 
diff --git a/apps/files/src/store/selection.ts b/apps/files/src/store/selection.ts
index 12a265bc494e2..c8c5c6d7de313 100644
--- a/apps/files/src/store/selection.ts
+++ b/apps/files/src/store/selection.ts
@@ -2,7 +2,7 @@
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
-import type { FileId, SelectionStore } from '../types'
+import type { FileSource, SelectionStore } from '../types'
 import { defineStore } from 'pinia'
 import Vue from 'vue'
 
@@ -17,14 +17,14 @@ export const useSelectionStore = defineStore('selection', {
 		/**
 		 * Set the selection of fileIds
 		 */
-		set(selection = [] as FileId[]) {
+		set(selection = [] as FileSource[]) {
 			Vue.set(this, 'selected', [...new Set(selection)])
 		},
 
 		/**
 		 * Set the last selected index
 		 */
-		setLastIndex(lastSelectedIndex = null as FileId | null) {
+		setLastIndex(lastSelectedIndex = null as number | null) {
 			// Update the last selection if we provided a new selection starting point
 			Vue.set(this, 'lastSelection', lastSelectedIndex ? this.selected : [])
 			Vue.set(this, 'lastSelectedIndex', lastSelectedIndex)
diff --git a/apps/files/src/types.ts b/apps/files/src/types.ts
index 3213d2c543bec..9e1ba04969705 100644
--- a/apps/files/src/types.ts
+++ b/apps/files/src/types.ts
@@ -7,12 +7,12 @@ import type { Upload } from '@nextcloud/upload'
 
 // Global definitions
 export type Service = string
-export type FileId = number
+export type FileSource = string
 export type ViewId = string
 
 // Files store
 export type FilesStore = {
-	[fileid: FileId]: Node
+	[source: FileSource]: Node
 }
 
 export type RootsStore = {
@@ -31,7 +31,7 @@ export interface RootOptions {
 
 // Paths store
 export type PathConfig = {
-	[path: string]: number
+	[path: string]: FileSource
 }
 
 export type ServicesState = {
@@ -45,7 +45,7 @@ export type PathsStore = {
 export interface PathOptions {
 	service: Service
 	path: string
-	fileid: FileId
+	source: FileSource
 }
 
 // User config store
@@ -57,8 +57,8 @@ export interface UserConfigStore {
 }
 
 export interface SelectionStore {
-	selected: FileId[]
-	lastSelection: FileId[]
+	selected: FileSource[]
+	lastSelection: FileSource[]
 	lastSelectedIndex: number | null
 }
 
@@ -92,7 +92,7 @@ export interface UploaderStore {
 
 // Drag and drop store
 export interface DragAndDropStore {
-	dragging: FileId[]
+	dragging: FileSource[]
 }
 
 export interface TemplateFile {
diff --git a/apps/files/src/utils/hashUtils.ts b/apps/files/src/utils/hashUtils.ts
index 6a7b55e5afef7..607064947a8be 100644
--- a/apps/files/src/utils/hashUtils.ts
+++ b/apps/files/src/utils/hashUtils.ts
@@ -4,8 +4,9 @@
  */
 
 export const hashCode = function(str: string): number {
-	return str.split('').reduce(function(a, b) {
-		a = ((a << 5) - a) + b.charCodeAt(0)
-		return a & a
-	}, 0)
+	let hash = 0
+	for (let i = 0; i < str.length; i++) {
+		hash = ((hash << 5) - hash + str.charCodeAt(i)) | 0
+	}
+	return (hash >>> 0)
 }
diff --git a/apps/files/src/views/FilesList.vue b/apps/files/src/views/FilesList.vue
index 24797d89c3298..ae20c58ea3295 100644
--- a/apps/files/src/views/FilesList.vue
+++ b/apps/files/src/views/FilesList.vue
@@ -263,12 +263,13 @@ export default defineComponent({
 			if (this.dir === '/') {
 				return this.filesStore.getRoot(this.currentView.id)
 			}
-			const fileId = this.pathsStore.getPath(this.currentView.id, this.dir)
-			if (fileId === undefined) {
+
+			const source = this.pathsStore.getPath(this.currentView.id, this.dir)
+			if (source === undefined) {
 				return
 			}
 
-			return this.filesStore.getNode(fileId) as Folder
+			return this.filesStore.getNode(source) as Folder
 		},
 
 		/**
@@ -518,7 +519,7 @@ export default defineComponent({
 
 				// Define current directory children
 				// TODO: make it more official
-				this.$set(folder, '_children', contents.map(node => node.fileid))
+				this.$set(folder, '_children', contents.map(node => node.source))
 
 				// If we're in the root dir, define the root
 				if (dir === '/') {
@@ -527,7 +528,7 @@ export default defineComponent({
 					// Otherwise, add the folder to the store
 					if (folder.fileid) {
 						this.filesStore.updateNodes([folder])
-						this.pathsStore.addPath({ service: currentView.id, fileid: folder.fileid, path: dir })
+						this.pathsStore.addPath({ service: currentView.id, source: folder.source, path: dir })
 					} else {
 						// If we're here, the view API messed up
 						logger.fatal('Invalid root folder returned', { dir, folder, currentView })
@@ -537,8 +538,7 @@ export default defineComponent({
 				// Update paths store
 				const folders = contents.filter(node => node.type === 'folder')
 				folders.forEach((node) => {
-					// Folders from API always have the fileID set
-					this.pathsStore.addPath({ service: currentView.id, fileid: node.fileid!, path: join(dir, node.basename) })
+					this.pathsStore.addPath({ service: currentView.id, source: node.source, path: join(dir, node.basename) })
 				})
 			} catch (error) {
 				logger.error('Error while fetching content', { error })