issue-1704: Allow empty base url in server configuration.

package.json

@@ -64,6 +64,7 @@
     "@angular/cli": "~8.3.25",
     "@angular/compiler-cli": "8.1.0",
     "@angular/language-service": "8.1.0",
+    "@babel/compat-data": "~7.8.0",
     "@ngxs/devtools-plugin": "^3.3.4",
     "@ngxs/logger-plugin": "^3.3.4",
     "@types/antlr4-autosuggest": "0.0.0",

src/app/modules/server-settings/pages/manage-settings/manage-settings.component.html

@@ -27,8 +27,8 @@
                             <mat-form-field>
                                 <input matInput placeholder="Base URL" formControlName="baseUrl" #url>
                                 <mat-hint>
-                                    The URL from which Strongbox is accessed (i.e. if you're using reverse proxy
-                                    this should be the public url)
+                                    (Optional) If set it will be used when generating links across Strongbox.
+                                    If empty - will guess automatically using request headers.
                                 </mat-hint>
                                 <mat-error>
                                     <form-field-errors formControlName="baseUrl"></form-field-errors>

src/app/modules/server-settings/pages/manage-settings/manage-settings.component.ts

@@ -36,7 +36,7 @@ export class ManageSettingsComponent implements OnInit, OnDestroy {
     ngOnInit() {
         this.settingsForm = new FormGroup({
             instanceName: new FormControl(this.randomName(), [Validators.required, Validators.minLength(3)]),
-            baseUrl: new FormControl(this.guessUrl(), [Validators.required]),
+            baseUrl: new FormControl(null, []),
             port: new FormControl(48080, [
                 Validators.required,
                 (control: FormControl) => {

src/app/shared/layout/components/directory-listing/directory-listing.component.ts

@@ -81,28 +81,21 @@ export class DirectoryListingComponent implements OnInit, OnDestroy {
     }
 
     downloadFile(pathRecord: PathRecord): void {
-
-        this.http
-            .get(pathRecord.url, {responseType: 'arraybuffer'})
-            .subscribe((buffer: ArrayBuffer) => {
-                if (pathRecord.name.match(/md5|sha1$/i)) {
+        if (pathRecord.name.match(/md5|sha1$/i)) {
+            this.http
+                .get(pathRecord.url, {responseType: 'arraybuffer'})
+                .subscribe((buffer: ArrayBuffer) => {
                     pathRecord.description = String.fromCharCode.apply(null, new Uint8Array(buffer));
                     this.cdr.detectChanges();
-                } else {
-                    const blob: Blob = new Blob([buffer], {type: 'application/octet-stream'});
-                    const fileName = pathRecord.name;
-                    const objectUrl: string = URL.createObjectURL(blob);
-                    const a: HTMLAnchorElement = document.createElement('a') as HTMLAnchorElement;
-
-                    a.href = objectUrl;
-                    a.download = fileName;
-                    document.body.appendChild(a);
-                    a.click();
-
-                    document.body.removeChild(a);
-                    URL.revokeObjectURL(objectUrl);
-                }
-            });
+                });
+        } else {
+            const a: HTMLAnchorElement = document.createElement('a') as HTMLAnchorElement;
+            a.href = pathRecord.url;
+            a.target = '_window';
+            document.body.appendChild(a);
+            a.click();
+            document.body.removeChild(a);
+        }
     }
 
     confirmDelete(pathRecord: PathRecord) {
@@ -124,7 +117,6 @@ export class DirectoryListingComponent implements OnInit, OnDestroy {
             });
     }
 
-
     sortPathRecord(a: PathRecord, b: PathRecord
     ) {
         return a.name.toLocaleLowerCase().localeCompare(b.name.toLocaleLowerCase());

tools/proxy.conf.js

@@ -1,21 +1,24 @@
-const filter = function(pathname, req) {
-  return req.method === 'GET' && pathname.match('^/(index\.html)?$')
-};
-
 const LOCAL_IP = '127.0.0.1';
 
+const proxyEndpoints = [
+  "/api",
+  "/storages"
+];
+
 const PROXY_CONFIG = [
   {
-    context: filter,
+    context: function(pathname, req) {
+      return req.method === 'GET' && (
+          pathname.match('^/(index\.html)?$') ||
+          !pathname.match('^' + proxyEndpoints.join("|") + '|/static')
+      )
+    },
     target: `http://${LOCAL_IP}:4200/static/assets`,
     secure: false,
     logLevel: "debug"
   },
   {
-    context: [
-      "/api",
-      "/storages"
-    ],
+    context: proxyEndpoints,
     target: `http://${LOCAL_IP}:48080`,
     secure: false,
     logLevel: "debug",