make password saving optional (fixes #644)

terminus-ssh/src/components/promptModal.component.pug

@@ -8,3 +8,12 @@
         (keyup.enter)='ok()',
         (keyup.esc)='cancel()',
     )
+    .d-flex.align-items-start.mt-2
+        checkbox(
+            *ngIf='showRememberCheckbox',
+            [(model)]='remember', 
+            text='Remember'
+        )
+        button.btn.btn-primary.ml-auto(
+            (click)='ok()',
+        ) Enter

terminus-ssh/src/components/promptModal.component.ts

@@ -8,6 +8,8 @@ import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
 export class PromptModalComponent {
     @Input() value: string
     @Input() password: boolean
+    @Input() remember: boolean
+    @Input() showRememberCheckbox: boolean
     @ViewChild('input') input: ElementRef
 
     constructor (

terminus-ssh/src/services/ssh.service.ts

@@ -192,12 +192,16 @@ export class SSHService {
                 const modal = this.ngbModal.open(PromptModalComponent)
                 modal.componentInstance.prompt = `Password for ${session.connection.user}@${session.connection.host}`
                 modal.componentInstance.password = true
+                modal.componentInstance.showRememberCheckbox = true
                 try {
-                    savedPassword = await modal.result
+                    let password = await modal.result
+                    if (modal.componentInstance.remember) {
+                        savedPassword = password
+                    }
+                    return password
                 } catch (_) {
                     return ''
                 }
-                return savedPassword
             })
         })