feat(federation): provide UI toggles in Admin settings for federation options

lib/Settings/Admin/AdminSettings.php

@@ -112,6 +112,10 @@ protected function initCommands(): void {
 
 	protected function initFederation(): void {
 		$this->initialState->provideInitialState('federation_enabled', $this->serverConfig->getAppValue('spreed', 'federation_enabled', 'no'));
+		$this->initialState->provideInitialState('federation_incoming_enabled', $this->serverConfig->getAppValue('spreed', 'federation_incoming_enabled', '1'));
+		$this->initialState->provideInitialState('federation_outgoing_enabled', $this->serverConfig->getAppValue('spreed', 'federation_outgoing_enabled', '1'));
+		$this->initialState->provideInitialState('federation_only_trusted_servers', $this->serverConfig->getAppValue('spreed', 'federation_only_trusted_servers', '0'));
+		$this->initialState->provideInitialState('federation_allowed_groups', $this->serverConfig->getAppValue('spreed', 'federation_allowed_groups', '[]'));
 	}
 
 	protected function initMatterbridge(): void {

src/components/AdminSettings/Federation.vue

@@ -21,7 +21,7 @@
  -->
 
 <template>
-	<section id="general_settings" class="federation section">
+	<section id="federation_settings" class="federation section">
 		<h2>
 			{{ t('spreed', 'Federation') }}
 			<small>{{ t('spreed', 'Beta') }}</small>
@@ -33,28 +33,130 @@
 			@update:checked="saveFederationEnabled">
 			{{ t('spreed', 'Enable Federation in Talk app') }}
 		</NcCheckboxRadioSwitch>
+
+		<template v-if="isFederationEnabled">
+			<h3>{{ t('spreed', 'Permissions') }}</h3>
+
+			<NcCheckboxRadioSwitch :checked="isFederationIncomingEnabled"
+				:disabled="loading"
+				type="switch"
+				@update:checked="saveFederationIncomingEnabled">
+				{{ t('spreed', 'Allow users to be invited to federated conversations') }}
+			</NcCheckboxRadioSwitch>
+
+			<NcCheckboxRadioSwitch :checked="isFederationOutgoingEnabled"
+				:disabled="loading"
+				type="switch"
+				@update:checked="saveFederationOutgoingEnabled">
+				{{ t('spreed', 'Allow users to invite federated users into conversation') }}
+			</NcCheckboxRadioSwitch>
+
+			<NcCheckboxRadioSwitch :checked="isFederationOnlyTrustedServersEnabled"
+				:disabled="loading"
+				type="switch"
+				@update:checked="saveFederationOnlyTrustedServersEnabled">
+				{{ t('spreed', 'Only allow to federate with trusted servers') }}
+			</NcCheckboxRadioSwitch>
+			<!-- eslint-disable-next-line vue/no-v-html -->
+			<p class="settings-hint additional-top-margin" v-html="trustedServersLink" />
+
+			<h3>{{ t('spreed', 'Limit to groups') }}</h3>
+
+			<p class="settings-hint additional-top-margin">
+				{{ t('spreed', 'When at least one group is selected, only people of the listed groups can invite federated users to conversations.') }}
+			</p>
+
+			<div class="form">
+				<NcSelect v-model="allowedGroups"
+					input-id="allow_groups_invite_federated"
+					:input-label="t('spreed', 'Groups allowed to invite federated users')"
+					name="allow_groups_invite_federated"
+					class="form__select"
+					:options="groups"
+					:placeholder="t('spreed', 'Select groups …')"
+					:disabled="loading"
+					multiple
+					searchable
+					:tag-width="60"
+					:loading="loadingGroups"
+					:show-no-options="false"
+					:close-on-select="false"
+					track-by="id"
+					label="displayname"
+					no-wrap
+					@search-change="debounceSearchGroup" />
+
+				<NcButton type="primary"
+					:disabled="loading"
+					@click="saveAllowedGroups">
+					{{ saveLabelAllowedGroups }}
+				</NcButton>
+			</div>
+		</template>
 	</section>
 </template>
 
 <script>
+import debounce from 'debounce'
+
+import axios from '@nextcloud/axios'
 import { loadState } from '@nextcloud/initial-state'
+import { generateOcsUrl, generateUrl } from '@nextcloud/router'
 
+import NcButton from '@nextcloud/vue/dist/Components/NcButton.js'
 import NcCheckboxRadioSwitch from '@nextcloud/vue/dist/Components/NcCheckboxRadioSwitch.js'
+import NcSelect from '@nextcloud/vue/dist/Components/NcSelect.js'
+
+const FEDERATION_ENABLED = loadState('spreed', 'federation_enabled', 'no') === 'yes'
+const FEDERATION_INCOMING_ENABLED = loadState('spreed', 'federation_incoming_enabled', '0') === '1'
+const FEDERATION_OUTGOING_ENABLED = loadState('spreed', 'federation_outgoing_enabled', '0') === '1'
+const FEDERATION_ONLY_TRUSTED_SERVERS = loadState('spreed', 'federation_only_trusted_servers', '0') === '1'
+const FEDERATION_ALLOWED_GROUPS = JSON.parse(loadState('spreed', 'federation_allowed_groups', '[]'))
 
 export default {
 	name: 'Federation',
 
 	components: {
+		NcButton,
 		NcCheckboxRadioSwitch,
+		NcSelect,
 	},
 
 	data() {
 		return {
 			loading: false,
-			isFederationEnabled: loadState('spreed', 'federation_enabled') === 'yes',
+			isFederationEnabled: FEDERATION_ENABLED,
+			isFederationIncomingEnabled: FEDERATION_INCOMING_ENABLED,
+			isFederationOutgoingEnabled: FEDERATION_OUTGOING_ENABLED,
+			isFederationOnlyTrustedServersEnabled: FEDERATION_ONLY_TRUSTED_SERVERS,
+			loadingGroups: false,
+			groups: [],
+			allowedGroups: [],
+			saveLabelAllowedGroups: t('spreed', 'Save changes'),
+			debounceSearchGroup: () => {},
 		}
 	},
 
+	computed: {
+		trustedServersLink() {
+			const href = generateUrl('/settings/admin/sharing#ocFederationSettings')
+			return t('spreed', 'Trusted servers can be configured at {linkstart}Sharing settings page{linkend}.')
+				.replace('{linkstart}', `<a target="_blank" rel="noreferrer nofollow" class="external" href="${href}">`)
+				.replaceAll('{linkend}', ' ↗</a>')
+		},
+	},
+
+	mounted() {
+		// allowed groups come as an array of string ids here
+		this.allowedGroups = FEDERATION_ALLOWED_GROUPS.sort((a, b) => a.localeCompare(b))
+		this.debounceSearchGroup = debounce(this.searchGroup, 500)
+		this.debounceSearchGroup('')
+	},
+
+	beforeDestroy() {
+		this.debounceSearchGroup.clear?.()
+	},
+
 	methods: {
 		saveFederationEnabled(value) {
 			this.loading = true
@@ -66,6 +168,80 @@ export default {
 				}.bind(this),
 			})
 		},
+
+		saveFederationIncomingEnabled(value) {
+			this.loading = true
+
+			OCP.AppConfig.setValue('spreed', 'federation_incoming_enabled', value ? '1' : '0', {
+				success: function() {
+					this.loading = false
+					this.isFederationIncomingEnabled = value
+				}.bind(this),
+			})
+		},
+
+		saveFederationOutgoingEnabled(value) {
+			this.loading = true
+
+			OCP.AppConfig.setValue('spreed', 'federation_outgoing_enabled', value ? '1' : '0', {
+				success: function() {
+					this.loading = false
+					this.isFederationOutgoingEnabled = value
+				}.bind(this),
+			})
+		},
+
+		saveFederationOnlyTrustedServersEnabled(value) {
+			this.loading = true
+
+			OCP.AppConfig.setValue('spreed', 'federation_only_trusted_servers', value ? '1' : '0', {
+				success: function() {
+					this.loading = false
+					this.isFederationOnlyTrustedServersEnabled = value
+				}.bind(this),
+			})
+		},
+
+		async searchGroup(query) {
+			this.loadingGroups = true
+			try {
+				const response = await axios.get(generateOcsUrl('cloud/groups/details'), {
+					search: query,
+					limit: 20,
+					offset: 0,
+				})
+				this.groups = response.data.ocs.data.groups.sort(function(a, b) {
+					return a.displayname.localeCompare(b.displayname)
+				})
+
+				// repopulate allowed groups with full group objects to show display name
+				const allowedGroupIds = this.allowedGroups.map(group => typeof group === 'object' ? group.id : group)
+				this.allowedGroups = this.groups.filter(group => allowedGroupIds.includes(group.id))
+			} catch (err) {
+				console.error('Could not fetch groups', err)
+			} finally {
+				this.loadingGroups = false
+			}
+		},
+
+		saveAllowedGroups() {
+			this.loading = true
+			this.loadingGroups = true
+			this.saveLabelAllowedGroups = t('spreed', 'Saving …')
+
+			const groups = this.allowedGroups.map(group => typeof group === 'object' ? group.id : group)
+
+			OCP.AppConfig.setValue('spreed', 'federation_allowed_groups', JSON.stringify(groups), {
+				success: function() {
+					this.loading = false
+					this.loadingGroups = false
+					this.saveLabelAllowedGroups = t('spreed', 'Saved!')
+					setTimeout(function() {
+						this.saveLabelAllowedGroups = t('spreed', 'Save changes')
+					}.bind(this), 5000)
+				}.bind(this),
+			})
+		},
 	},
 }
 </script>
@@ -77,4 +253,24 @@ small {
 	border-radius: 16px;
 	padding: 0 9px;
 }
+
+h3 {
+	margin-top: 24px;
+	font-weight: bold;
+}
+
+.additional-top-margin {
+	margin-top: 10px;
+}
+
+.form {
+	display: flex;
+	align-items: flex-end;
+	gap: 10px;
+	padding-top: 5px;
+
+	&__select {
+		min-width: 300px !important;
+	}
+}
 </style>