Fix UDP loading with authentication

src/Page.vue

@@ -78,9 +78,13 @@ export default {
 			});
 		}
 
-		if (Utils.param('discover') || resultUrl) {
+		const discover = Utils.param('discover');
+		if (discover === "1" || resultUrl) {
 			this.skipLogin = true;
 		}
+		else if (discover === "0") {
+			this.skipLogin = false;
+		}
 
 		// Count active requests
 		axios.interceptors.request.use(config => {

src/components/ConnectForm.vue

@@ -406,6 +406,9 @@ export default {
 			if (discover && !this.$config.skipLogin) {
 				params.set('discover', 1);
 			}
+			else if (!discover && this.$config.skipLogin) {
+				params.set('discover', 0);
+			}
 			else {
 				params.delete('discover');
 			}

src/components/wizards/SpectralIndices.vue

@@ -90,7 +90,7 @@ export default {
 			temporal_extent: null
 		};
 	},
-	created() {
+	beforeMount() {
 		this.scale = this.processes.has('apply') && this.processes.has('linear_scale_range') ? false : null;
 	},
 	computed: {

src/components/wizards/UDP.vue

@@ -57,8 +57,12 @@ export default {
 			};
 		}
 	},
-	async created() {
+	async beforeMount() {
 		this.loading = true;
+		if (typeof this.process !== 'string' || this.process.length === 0) {
+			this.$emit('close', `Sorry, no process specified.`);
+			return;
+		}
 		let [id, namespace] = Utils.extractUDPParams(this.process);
 		try {
 			this.processSpec = await this.loadProcess({id, namespace});

src/components/wizards/tabs/ChooseProcessParameters.vue

@@ -1,13 +1,17 @@
 <template>
 	<div class="step choose-process-parameters">
-		<p v-if="process.parameters.length === 0">No editable parameters available.</p>
+		<p v-if="parameters.length === 0">
+			This process doesn't expose any parameters.
+			You can skip this step.
+		</p>
 		<Parameters v-else v-model="value" :parameters="parameters" :parent="process" />
 	</div>
 </template>
 
 <script>
 import { ProcessParameter } from '@openeo/js-commons';
 import Parameters from '../../Parameters.vue';
+import Utils from '../../../utils';
 
 export default {
 	name: 'ChooseProcessParameters',
@@ -26,6 +30,9 @@ export default {
 	},
 	computed: {
 		parameters() {
+			if (!Utils.isObject(this.process) || !Array.isArray(this.process.parameters)) {
+				return [];
+			}
 			return this.process.parameters.map(p => new ProcessParameter(p)).filter(p => p.isEditable());
 		}
 	}

src/utils.js

@@ -208,8 +208,11 @@ class Utils extends VueUtils {
 	}
 
 	static param(name) {
-		const urlParams = new URLSearchParams(window.location.search); 
-		return urlParams.get(name); 
+		const urlParams = new URLSearchParams(window.location.search);
+		if (urlParams.has(name)) {
+			return urlParams.get(name);
+		}
+		return undefined;
 	}
 
 	static isBboxInWebMercator(bboxes) {
@@ -407,8 +410,15 @@ class Utils extends VueUtils {
 		return resolver(schema);
 	}
 	static extractUDPParams(process) {
-		let [id, ...namespace] = process.split('@');
-		return [id, namespace.join('@')];
+		const pos = process.indexOf('@');
+		if (pos < 0) {
+			return [process, undefined];
+		}
+		else {
+			const id = process.substring(0, pos);
+			const namespace = process.substring(pos + 1);
+			return [id, namespace];
+		}
 	}
 	static getProcessingExpression(stac) {
 		let key = 'processing:expression';