nuVistA/htdocs/Login.vue

<template>
	<div class="accordion mb-3 shadow">
		<div class="accordion-item">
			<h2 class="accordion-header"><button class="accordion-button" :class="{ testing: (x_server) && (x_server.production) && (x_server.production != '1') }" type="button" @click="() => show = !show"><template v-if="user">{{user[2]}}<template v-if="server"> @ {{server.domain}}</template></template><template v-else>Login</template></button></h2>
			<div class="accordion-collapse collapse" :class="{ show: (show) || (!x_client) }">
				<div class="accordion-body" v-if="!x_client"><button v-if="fail" class="btn btn-primary btn-lg" style="width: 100%;" @click="connect">Reconnect</button><button v-else class="btn btn-outline-primary btn-lg" style="width: 100%;" @click="connect">Connect</button></div>
				<div class="accordion-body" v-else>
					<div class="card">
						<div class="card-body">
							<p class="card-text row"><code class="col" v-if="banner"><pre>{{banner.join('\n')}}</pre></code><code class="col" v-if="authinfo"><pre v-if="(authinfo.greeting) && (authinfo.greeting.length > 0)">{{authinfo.greeting.join('\n').replace(/^\n+|\s+$/gm, '')}}</pre><pre v-if="user">{{user.join('\n')}}</pre></code></p>
						</div>
						<button class="btn btn-danger" style="width: 100%;" type="button" v-if="user" v-on:click="logout">Logout</button>
						<div class="input-group flex-nowrap" v-if="!user">
							<span class="input-group-text">🔑</span>
							<select class="form-control" v-model="host">
								<option value="vista.bronx.med.va.gov:19201">Bronx BRX</option>
								<option value="test.bronx.med.va.gov:19001">Bronx BRX-TEST</option>
								<option value="vista.east-orange.med.va.gov:19203">East Orange NJH</option>
								<option value="test.east-orange.med.va.gov:19003">East Orange NJH-TEST</option>
								<option value="vista.hudson-valley.med.va.gov:19205">Hudson Valley NVH</option>
								<option value="test.hudson-valley.med.va.gov:19005">Hudson Valley NVH-TEST</option>
								<option value="vista.brooklyn.med.va.gov:19208">NY Harbor NYH</option>
								<option value="test.brooklyn.med.va.gov:19008">NY Harbor NYH-TEST</option>
								<option value="vista.northport.med.va.gov:19209">Northport NOP</option>
								<option value="test.northport.med.va.gov:19009">Northport NOP-TEST</option>
								<option value="vista.v02.med.va.gov:19224">VISN 2 V02</option>
								<option value="test.v02.med.va.gov:19024">VISN 2 V02-TEST</option>
							</select>
							<input type="password" class="form-control" placeholder="Access Code" v-model="accesscode" />
							<input type="password" class="form-control" placeholder="Verify Code" v-model="verifycode" />
							<button class="btn btn-primary" type="button" v-on:click="login">Login<template v-if="!(accesscode || verifycode)"> (omit AV codes for SAML)</template></button>
						</div>
					</div>
				</div>
			</div>
		</div>
	</div>
</template>

<style scoped>
	.accordion-button.testing:not(.collapsed) {
		color: #e40c63;
		background-color: #ffe7f1;
	}
</style>

<script>
	import { watchEffect } from 'vue';

	import vistax from './vistax.mjs';

	export default {
		props: {
			secret: String,
			client: Object,
			server: {
				type: Object,
				default: null
			},
			user: {
				type: Array,
				default: null
			}
		},
		emits: {
			'update:client': Object,
			'update:server': {
				type: Object,
				default: null
			},
			'update:user': {
				type: Array,
				default: null
			}
		},
		data() {
			return {
				show: false,
				fail: false,
				x_client: this.client,
				x_server: this.server,
				x_user: this.user,
				banner: null,
				authinfo: null,
				accesscode: null,
				verifycode: null
			};
		},
		computed: {
			host: {
				get() {
					return vistax.localstate.host;
				},
				set(value) {
					vistax.localstate.host = value;
				}
			}
		},
		watch: {
			host: {
				handler(value) {
					this.connect();
				}, immediate: true
			},
			client(value) { this.x_client = value; },
			x_client(value) {
				this.$emit('update:client', value);
				window.client = value;
				window.call = value.call;
				window.callctx = value.callctx;
			},
			server(value) { this.x_server = value; },
			x_server(value) { this.$emit('update:server', value); },
			user(value) { this.x_user = value; },
			async x_user(value) {
				if(value) await this.x_client.setup_remotestate();
				this.$emit('update:user', value);
			}
		},
		methods: {
			async connect() {
				this.logout();
				if(this.x_client = await (this.host ? vistax.Client.fromCookie(this.secret, this.host) : vistax.Client.fromCookie(this.secret))) {
					this.banner = await this.x_client.XUS_INTRO_MSG();
					if((this.authinfo = await this.x_client.authinfo()).success) try {
						var user = await this.x_client.XUS_GET_USER_INFO();
						this.x_user = user[0] ? user : null
					} catch(ex) {
						this.x_user = null;
					}
					this.$emit('update:user', this.x_user);
					this.show = !this.x_user;
					this.$emit('update:server', this.x_server = (await this.x_client.serverinfo()).result);
					console.log('Backend secret', this.secret);
					console.log(this.banner);
					var stop = watchEffect(() => { if(!this.x_client.status.connected) { stop(); this.x_client = this.x_server = this.x_user = null; this.fail = true; } });
				} else {
					this.fail = true;
					this.host = undefined;
					this.authinfo = null;
				}
			},
			async login(evt) {
				if(this.x_client) {
					try {
						this.authinfo = await ((this.accesscode && this.verifycode) ? this.x_client.authenticate(this.accesscode + ';' + this.verifycode) : this.x_client.authenticate());
						if(this.authinfo.duz) {
							var user = await this.x_client.XUS_GET_USER_INFO();
							this.x_user = user[0] ? user : null
						} else {
							this.x_user = null;
							if(this.authinfo.message) window.alert(this.authinfo.message);
							else window.alert('Authentication failed.');
						}
					} catch(ex) {
						this.authinfo = this.x_user = null;
						console.warn(ex);
						if(ex.name) window.alert(ex.name);
						else window.alert('Authentication failed.');
					}
					this.$emit('update:user', this.x_user);
					this.show = !this.x_user;
					this.$emit('update:server', this.x_server = (await this.x_client.serverinfo()).result);
					console.log('Authenticate', this.authinfo);
				} else this.authinfo = null;
			},
			async logout(evt) {
				if(this.x_client) {
					console.log('Close', await this.x_client.close());
					this.$emit('update:client', this.x_client = null);
					this.$emit('update:server', this.x_server = null);
					this.$emit('update:user', this.x_user = null);
				}
				this.banner = null;
				this.show = true;
			}
		}
	};
</script>