From 29bad44c52fdfefb2b189e146e02b79b5bdac5fe Mon Sep 17 00:00:00 2001
From: joshuaboud <joshuaboud@hotmail.com>
Date: Fri, 17 Jun 2022 15:46:51 -0300
Subject: [PATCH] add editing file permissions

---
 navigator/src/components/DirectoryEntry.vue  |   6 +-
 navigator/src/components/FileModeMatrix.vue  |  98 ++++++++++++++
 navigator/src/components/FilePermissions.vue | 128 +++++++++++++++++++
 navigator/src/functions/getGroups.js         |  24 ++++
 navigator/src/functions/getUsers.js          |  24 ++++
 navigator/src/views/Browser.vue              |  45 ++++++-
 6 files changed, 314 insertions(+), 11 deletions(-)
 create mode 100644 navigator/src/components/FileModeMatrix.vue
 create mode 100644 navigator/src/components/FilePermissions.vue
 create mode 100644 navigator/src/functions/getGroups.js
 create mode 100644 navigator/src/functions/getUsers.js

diff --git a/navigator/src/components/DirectoryEntry.vue b/navigator/src/components/DirectoryEntry.vue
index 01edff3..270a62a 100644
--- a/navigator/src/components/DirectoryEntry.vue
+++ b/navigator/src/components/DirectoryEntry.vue
@@ -80,7 +80,7 @@
 			<span v-if="level > 0">{{ entry.path.split('/').slice(-1 * (level + 1)).join('/') }}:</span>
 			<span v-else>{{ entry.name }}:</span>
 			{{ entry.mode.toString(8) }}, {{ entry.owner }}:{{ entry.group }}, {{ entry.sizeHuman }},
-			modified: {{ entry.mtime }}
+			modified: {{ entry.mtimeStr }}
 		</div>
 	</Teleport>
 </template>
@@ -121,10 +121,8 @@ export default {
 		const doubleClickCallback = () => {
 			if (props.entry.resolvedType === 'd') {
 				emit('browserAction', 'cd', props.entry);
-			} else if (props.entry.resolvedType === 'f') {
-				emit('browserAction', 'openFilePrompt', props.entry);
 			} else {
-				notifications.value.constructNotification('Cannot open or download file', `${props.entry.nameHTML} is a ${props.entry.resolvedTypeHuman}`, 'denied');
+				emit('browserAction', 'openFilePrompt', props.entry);
 			}
 		}
 
diff --git a/navigator/src/components/FileModeMatrix.vue b/navigator/src/components/FileModeMatrix.vue
new file mode 100644
index 0000000..91577ae
--- /dev/null
+++ b/navigator/src/components/FileModeMatrix.vue
@@ -0,0 +1,98 @@
+<!--
+Copyright (C) 2022 Josh Boudreau <jboudreau@45drives.com>
+
+This file is part of Cockpit File Sharing.
+
+Cockpit File Sharing is free software: you can redistribute it and/or modify it under the terms
+of the GNU General Public License as published by the Free Software Foundation, either version 3
+of the License, or (at your option) any later version.
+
+Cockpit File Sharing is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with Cockpit File Sharing.
+If not, see <https://www.gnu.org/licenses/>. 
+-->
+
+<template>
+	<div class="inline-grid grid-cols-[2fr_1fr_1fr_1fr] gap-2 justify-items-center">
+		<label class="justify-self-start block text-sm font-medium"></label>
+		<label class="text-label">Read</label>
+		<label class="text-label">Write</label>
+		<label class="text-label">Execute</label>
+
+		<label class="justify-self-start text-label">Owner</label>
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.owner.read" />
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.owner.write" />
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.owner.execute" />
+
+		<label class="justify-self-start text-label">Group</label>
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.group.read" />
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.group.write" />
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.group.execute" />
+
+		<label class="justify-self-start text-label">Other</label>
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.other.read" />
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.other.write" />
+		<input type="checkbox" class="input-checkbox" v-model="modeMatrix.other.execute" />
+
+		<label class="justify-self-start text-label">Mode</label>
+		<span class="col-span-3 font-mono font-medium whitespace-nowrap">{{ modeStr }}</span>
+	</div>
+</template>
+
+<script>
+import { reactive, computed } from 'vue';
+export default {
+	props: {
+		modelValue: Number,
+	},
+	setup(props, { emit }) {
+		const modeStr = computed(
+			() =>
+				(props.modelValue & 0b100000000 ? 'r' : '-')
+				+ (props.modelValue & 0b010000000 ? 'w' : '-')
+				+ (props.modelValue & 0b001000000 ? 'x' : '-')
+				+ (props.modelValue & 0b000100000 ? 'r' : '-')
+				+ (props.modelValue & 0b000010000 ? 'w' : '-')
+				+ (props.modelValue & 0b000001000 ? 'x' : '-')
+				+ (props.modelValue & 0b000000100 ? 'r' : '-')
+				+ (props.modelValue & 0b000000010 ? 'w' : '-')
+				+ (props.modelValue & 0b000000001 ? 'x' : '-')
+				+ ` (${props.modelValue.toString(8).padStart(3, '0')})`
+		);
+
+		const computedBit = (mask, getter) => computed({
+			get: () => getter() & mask ? true : false,
+			set: (value) => emit('update:modelValue', value ? (props.modelValue | mask) : (props.modelValue & (~mask))),
+		})
+
+		const modeMatrix = reactive({
+			other: {
+				execute: computedBit(0b000000001, () => props.modelValue),
+				write: computedBit(0b000000010, () => props.modelValue),
+				read: computedBit(0b000000100, () => props.modelValue),
+			},
+			group: {
+				execute: computedBit(0b000001000, () => props.modelValue),
+				write: computedBit(0b000010000, () => props.modelValue),
+				read: computedBit(0b000100000, () => props.modelValue),
+			},
+			owner: {
+				execute: computedBit(0b001000000, () => props.modelValue),
+				write: computedBit(0b010000000, () => props.modelValue),
+				read: computedBit(0b100000000, () => props.modelValue),
+			},
+		});
+
+		return {
+			modeMatrix,
+			modeStr,
+		}
+	},
+	emits: [
+		'update:modelValue',
+	],
+}
+</script>
diff --git a/navigator/src/components/FilePermissions.vue b/navigator/src/components/FilePermissions.vue
new file mode 100644
index 0000000..200906e
--- /dev/null
+++ b/navigator/src/components/FilePermissions.vue
@@ -0,0 +1,128 @@
+<!--
+Copyright (C) 2022 Josh Boudreau <jboudreau@45drives.com>
+
+This file is part of Cockpit File Sharing.
+
+Cockpit File Sharing is free software: you can redistribute it and/or modify it under the terms
+of the GNU General Public License as published by the Free Software Foundation, either version 3
+of the License, or (at your option) any later version.
+
+Cockpit File Sharing is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with Cockpit File Sharing.
+If not, see <https://www.gnu.org/licenses/>. 
+-->
+
+<template>
+	<ModalPopup :showModal="show" :headerText="entry?.nameHTML" @apply="apply"
+		@cancel="$emit('hide')">
+		<div class="flex flex-col space-y-content items-start">
+			<FileModeMatrix v-model="mode" />
+			<div>
+				<label class="block text-sm font-medium">Owner</label>
+				<select class="input-textlike" v-model="owner">
+					<option v-for="user in users" :value="user.user">{{ user.pretty }}</option>
+				</select>
+			</div>
+			<div>
+				<label class="block text-sm font-medium">Group</label>
+				<select class="input-textlike" v-model="group">
+					<option v-for="group in groups" :value="group.group">{{ group.pretty }}</option>
+				</select>
+			</div>
+		</div>
+	</ModalPopup>
+</template>
+
+<script>
+import { watch, ref, onMounted } from 'vue';
+import ModalPopup from "./ModalPopup.vue";
+import FileModeMatrix from "./FileModeMatrix.vue";
+import { useSpawn, errorString, canonicalPath } from "@45drives/cockpit-helpers";
+import { getUsers } from '../functions/getUsers';
+import { getGroups } from '../functions/getGroups';
+export default {
+	props: {
+		show: Boolean,
+		entry: Object,
+		onError: {
+			type: Function,
+			required: false,
+			default: console.error,
+		},
+	},
+	setup(props, { emit }) {
+		const mode = ref(0);
+		const owner = ref("");
+		const group = ref("");
+		const users = ref([]);
+		const groups = ref([]);
+
+		const getPermissions = async () => {
+			try {
+				let modeStr;
+				[modeStr, owner.value, group.value] = (
+					await useSpawn(['stat', '--format=%a:%U:%G', props.entry.path], { superuser: 'try', host: props.entry.host }).promise()
+				).stdout.trim().split(':');
+				mode.value = parseInt(modeStr, 8);
+			} catch (state) {
+				const error = new Error(errorString(state));
+				error.name = "Permissions Query Error";
+				props.onError(error);
+				emit('hide');
+			}
+		}
+
+		const apply = async () => {
+			if (canonicalPath(props.entry.path) === '/') {
+				const error = new Error("Cannot Edit Permissions for '/'. If you think you need to do this, you don't.");
+				error.name = "Permissions Apply Error";
+				props.onError(error);
+				emit('hide');
+				return;
+			}
+			const procs = [];
+			procs.push(useSpawn(['chown', owner.value, props.entry.path], { superuser: 'try', host: props.entry.host }).promise());
+			procs.push(useSpawn(['chgrp', group.value, props.entry.path], { superuser: 'try', host: props.entry.host }).promise());
+			procs.push(useSpawn(['chmod', mode.value.toString(8), props.entry.path], { superuser: 'try', host: props.entry.host }).promise());
+			for (const proc of procs) {
+				try {
+					await proc;
+				} catch (state) {
+					const error = new Error(errorString(state));
+					error.name = "Permissions Apply Error";
+					props.onError(error);
+				}
+			}
+			emit('hide');
+		}
+
+		onMounted(async () => {
+			users.value = await getUsers();
+			groups.value = await getGroups();
+		});
+
+		watch(() => props.show, (show, lastShow) => {
+			if (show && props.entry) getPermissions();
+		}, { immediate: true });
+
+		return {
+			mode,
+			owner,
+			group,
+			users,
+			groups,
+			apply,
+		}
+	},
+	components: {
+		ModalPopup,
+		FileModeMatrix,
+	},
+	emits: [
+		'hide',
+	]
+}
+</script>
diff --git a/navigator/src/functions/getGroups.js b/navigator/src/functions/getGroups.js
new file mode 100644
index 0000000..750acae
--- /dev/null
+++ b/navigator/src/functions/getGroups.js
@@ -0,0 +1,24 @@
+import { useSpawn } from "@45drives/cockpit-helpers";
+
+export async function getGroups() {
+	let groups = [];
+	const groupDB = (await useSpawn(['getent', 'group'], { superuser: 'try' }).promise()).stdout;
+	groupDB.split('\n').forEach((record) => {
+		const fields = record.split(':');
+		const group = fields[0];
+		const gid = fields[2];
+		if (gid >= 1000 || gid === '0')
+			groups.push({ group: group, domain: false, pretty: group });
+	})
+	try {
+		await useSpawn(['realm', 'list'], { superuser: 'try' }).promise(); // throws if not domain
+		const domainGroupsDB = (await useSpawn(['wbinfo', '-g'], { superuser: 'try' }).promise()).stdout
+		domainGroupsDB.split('\n').forEach((record) => {
+			if (/^\s*$/.test(record))
+				return;
+			groups.push({ group: record.replace(/^[^\\]+\\/, ""), domain: true, pretty: record.replace(/^[^\\]+\\/, "") + " (domain)" });
+		})
+	} catch {}
+	groups.sort((a, b) => a.pretty.localeCompare(b.pretty));
+	return groups
+}
diff --git a/navigator/src/functions/getUsers.js b/navigator/src/functions/getUsers.js
new file mode 100644
index 0000000..00edcb6
--- /dev/null
+++ b/navigator/src/functions/getUsers.js
@@ -0,0 +1,24 @@
+import { useSpawn } from "@45drives/cockpit-helpers";
+
+export async function getUsers() {
+	let users = [];
+	const passwdDB = (await useSpawn(['getent', 'passwd'], { superuser: 'try' }).promise()).stdout;
+	passwdDB.split('\n').forEach((record) => {
+		const fields = record.split(':');
+		const user = fields[0];
+		const uid = fields[2];
+		if (uid >= 1000 || uid === '0') // include root
+			users.push({ user: user, domain: false, pretty: user });
+	})
+	try {
+		await useSpawn(['realm', 'list'], { superuser: 'try' }).promise(); // throws if not domain
+		const domainUsersDB = (await useSpawn(['wbinfo', '-u'], { superuser: 'try' }).promise()).stdout;
+		domainUsersDB.split('\n').forEach((record) => {
+			if (/^\s*$/.test(record))
+				return;
+			users.push({ user: record.replace(/^[^\\]+\\/, ""), domain: true, pretty: record.replace(/^[^\\]+\\/, "") + " (domain)" });
+		})
+	} catch {}
+	users.sort((a, b) => a.pretty.localeCompare(b.pretty));
+	return users;
+}
diff --git a/navigator/src/views/Browser.vue b/navigator/src/views/Browser.vue
index 9c5ade2..70b9720 100644
--- a/navigator/src/views/Browser.vue
+++ b/navigator/src/views/Browser.vue
@@ -68,25 +68,31 @@
 			<div class="grow overflow-hidden">
 				<DirectoryView :host="pathHistory.current()?.host" :path="pathHistory.current()?.path"
 					:searchFilterRegExp="searchFilterRegExp" @cd="path => cd({ path })" @edit="openEditor"
-					@browserAction="handleAction"
-					ref="directoryViewRef" />
+					@browserAction="handleAction" ref="directoryViewRef" />
 			</div>
 		</div>
 	</div>
-	<ModalPopup :showModal="openFilePromptModal.show" :headerText="openFilePromptModal.entry?.name ?? 'NULL'" @close="() => openFilePromptModal.close()">
-		What would you like to do with this file?
+	<ModalPopup :showModal="openFilePromptModal.show" :headerText="openFilePromptModal.entry?.name ?? 'NULL'"
+		@close="() => openFilePromptModal.close()" autoWidth>
+		What would you like to do with this {{ openFilePromptModal.entry?.resolvedTypeHuman }}?
 		<template #footer>
 			<button type="button" class="btn btn-secondary" @click="() => openFilePromptModal.close()">
 				Cancel
 			</button>
-			<button type="button" class="btn btn-primary" @click="() => openFilePromptModal.action('edit') ">
+			<button type="button" class="btn btn-primary" @click="() => openFilePromptModal.action('editPermissions')">
+				Edit permissions
+			</button>
+			<button v-if="openFilePromptModal.entry?.resolvedType === 'f'" type="button" class="btn btn-primary"
+				@click="() => openFilePromptModal.action('edit')">
 				Open for editing
 			</button>
-			<button type="button" class="btn btn-primary" @click="() => openFilePromptModal.action('download') ">
+			<button v-if="openFilePromptModal.entry?.resolvedType === 'f'" type="button" class="btn btn-primary"
+				@click="() => openFilePromptModal.action('download')">
 				Download
 			</button>
 		</template>
 	</ModalPopup>
+	<FilePermissions :show="filePermissions.show" @hide="filePermissions.close" :entry="filePermissions.entry" />
 	<Teleport to="#footer-buttons">
 		<IconToggle v-model="darkMode" v-slot="{ value }">
 			<MoonIcon v-if="value" class="size-icon icon-default" />
@@ -113,6 +119,7 @@ import { ArrowLeftIcon, ArrowRightIcon, ArrowUpIcon, RefreshIcon, ChevronDownIco
 import IconToggle from '../components/IconToggle.vue';
 import ModalPopup from '../components/ModalPopup.vue';
 import { fileDownload } from '@45drives/cockpit-helpers';
+import FilePermissions from '../components/FilePermissions.vue';
 
 const encodePartial = (string) =>
 	encodeURIComponent(string)
@@ -179,6 +186,20 @@ export default {
 				openFilePromptModal.close();
 			}
 		});
+		const filePermissions = reactive({
+			show: false,
+			entry: null,
+			resetTimeoutHandle: null,
+			open: (entry) => {
+				clearTimeout(filePermissions.resetTimeoutHandle);
+				filePermissions.entry = entry;
+				filePermissions.show = true;
+			},
+			close: () => {
+				filePermissions.show = false;
+				filePermissions.resetTimeoutHandle = setTimeout(() => filePermissions.resetTimeoutHandle = filePermissions.entry = null, 500);
+			},
+		});
 
 		const cd = ({ path, host }) => {
 			const newHost = host ?? (pathHistory.current().host);
@@ -195,7 +216,7 @@ export default {
 		}
 
 		const up = () => {
-			cd({path: pathHistory.current().path + '/..'});
+			cd({ path: pathHistory.current().path + '/..' });
 		}
 
 		const openEditor = ({ path, host }) => {
@@ -213,6 +234,10 @@ export default {
 			openFilePromptModal.open(entry);
 		}
 
+		const openFilePermissions = (entry) => {
+			filePermissions.open(entry);
+		}
+
 		const getSelected = () => directoryViewRef.value?.getSelected?.() ?? [];
 
 		const handleAction = (action, ...args) => {
@@ -223,6 +248,9 @@ export default {
 				case 'edit':
 					openEditor(...args);
 					break;
+				case 'editPermissions':
+					openFilePermissions(...args);
+					break;
 				case 'openFilePrompt':
 					openFilePrompt(...args);
 					break;
@@ -267,6 +295,7 @@ export default {
 			backHistoryDropdown,
 			forwardHistoryDropdown,
 			openFilePromptModal,
+			filePermissions,
 			cd,
 			back,
 			forward,
@@ -274,6 +303,7 @@ export default {
 			openEditor,
 			download,
 			openFilePrompt,
+			openFilePermissions,
 			getSelected,
 			handleAction,
 		}
@@ -295,6 +325,7 @@ export default {
 		ViewListIcon,
 		ViewGridIcon,
 		ModalPopup,
+		FilePermissions,
 	},
 }
 </script>