fixed #1790 - remember answers to password prompts in keyboard-interactive authentication

tabby-ssh/src/components/keyboardInteractiveAuthPanel.component.pug

@@ -14,11 +14,19 @@ input.form-control.mt-2(
 )
 
 .d-flex.mt-3
-    button.btn.btn-secondary(
+    checkbox(
+        *ngIf='isPassword()',
+        [(ngModel)]='remember',
+        [text]='"Save password"|translate'
+    )
+
+    .ms-auto
+
+    button.btn.btn-secondary.me-3(
         *ngIf='step > 0',
         (click)='previous()'
     )
-    .ms-auto
+
     button.btn.btn-primary(
         (click)='next()'
     )

tabby-ssh/src/components/keyboardInteractiveAuthPanel.component.ts

@@ -1,6 +1,7 @@
 import { Component, Input, Output, EventEmitter, ViewChild, ElementRef, ChangeDetectionStrategy } from '@angular/core'
 import { KeyboardInteractivePrompt } from '../session/ssh'
-
+import { SSHProfile } from '../api'
+import { PasswordStorageService } from '../services/passwordStorage.service'
 
 @Component({
     selector: 'keyboard-interactive-auth-panel',
@@ -9,13 +10,17 @@ import { KeyboardInteractivePrompt } from '../session/ssh'
     changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class KeyboardInteractiveAuthComponent {
+    @Input() profile: SSHProfile
     @Input() prompt: KeyboardInteractivePrompt
     @Input() step = 0
     @Output() done = new EventEmitter()
     @ViewChild('input') input: ElementRef
+    remember = false
+
+    constructor (private passwordStorage: PasswordStorageService) {}
 
     isPassword (): boolean {
-        return this.prompt.prompts[this.step].prompt.toLowerCase().includes('password') || !this.prompt.prompts[this.step].echo
+        return this.prompt.isAPasswordPrompt(this.step)
     }
 
     previous (): void {
@@ -26,6 +31,10 @@ export class KeyboardInteractiveAuthComponent {
     }
 
     next (): void {
+        if (this.isPassword() && this.remember) {
+            this.passwordStorage.savePassword(this.profile, this.prompt.responses[this.step])
+        }
+
         if (this.step === this.prompt.prompts.length - 1) {
             this.prompt.respond()
             this.done.emit()

tabby-ssh/src/components/sshTab.component.pug

@@ -51,6 +51,7 @@ sftp-panel.bg-dark(
 keyboard-interactive-auth-panel.bg-dark(
     *ngIf='activeKIPrompt',
     [prompt]='activeKIPrompt',
+    [profile]='profile',
     (click)='$event.stopPropagation()',
     (done)='activeKIPrompt = null; frontend?.focus()'
 )

tabby-ssh/src/session/ssh.ts

@@ -26,7 +26,13 @@ export interface Prompt {
 }
 
 type AuthMethod = {
-    type: 'none'|'password'|'keyboard-interactive'|'hostbased'
+    type: 'none'|'prompt-password'|'hostbased'
+} | {
+    type: 'keyboard-interactive',
+    savedPassword?: string
+} | {
+    type: 'saved-password',
+    password: string
 } | {
     type: 'publickey'
     name: string
@@ -62,6 +68,10 @@ export class KeyboardInteractivePrompt {
         this.responses = new Array(this.prompts.length).fill('')
     }
 
+    isAPasswordPrompt (index: number): boolean {
+        return this.prompts[index].prompt.toLowerCase().includes('password') && !this.prompts[index].echo
+    }
+
     respond (): void {
         this._resolve(this.responses)
     }
@@ -93,7 +103,6 @@ export class SSHSession {
     private serviceMessage = new Subject<string>()
     private keyboardInteractivePrompt = new Subject<KeyboardInteractivePrompt>()
     private willDestroy = new Subject<void>()
-    private keychainPasswordUsed = false
 
     private passwordStorage: PasswordStorageService
     private ngbModal: NgbModal
@@ -168,9 +177,20 @@ export class SSHSession {
             }
         }
         if (!this.profile.options.auth || this.profile.options.auth === 'password') {
-            this.remainingAuthMethods.push({ type: 'password' })
+            if (this.profile.options.password) {
+                this.remainingAuthMethods.push({ type: 'saved-password', password: this.profile.options.password })
+            }
+            const password = await this.passwordStorage.loadPassword(this.profile)
+            if (password) {
+                this.remainingAuthMethods.push({ type: 'saved-password', password })
+            }
+            this.remainingAuthMethods.push({ type: 'prompt-password' })
         }
         if (!this.profile.options.auth || this.profile.options.auth === 'keyboardInteractive') {
+            const savedPassword = this.profile.options.password ?? await this.passwordStorage.loadPassword(this.profile)
+            if (savedPassword) {
+                this.remainingAuthMethods.push({ type: 'keyboard-interactive', savedPassword })
+            }
             this.remainingAuthMethods.push({ type: 'keyboard-interactive' })
         }
         this.remainingAuthMethods.push({ type: 'hostbased' })
@@ -276,7 +296,7 @@ export class SSHSession {
                 },
                 keepaliveIntervalSeconds: Math.round((this.profile.options.keepaliveInterval ?? 15000) / 1000),
                 keepaliveCountMax: this.profile.options.keepaliveCountMax,
-                connectionTimeoutSeconds: this.profile.options.readyTimeout ? Math.round(this.profile.options.readyTimeout / 1000) : null,
+                connectionTimeoutSeconds: this.profile.options.readyTimeout ? Math.round(this.profile.options.readyTimeout / 1000) : undefined,
             },
         )
 
@@ -470,27 +490,14 @@ export class SSHSession {
                 this.logger.info('Server does not support auth method', method.type)
                 continue
             }
-            if (method.type === 'password') {
+            if (method.type === 'saved-password') {
-                if (this.profile.options.password) {
+                this.emitServiceMessage(this.translate.instant('Using saved password'))
-                    this.emitServiceMessage(this.translate.instant('Using preset password'))
+                const result = await this.ssh.authenticateWithPassword(this.authUsername, method.password)
-                    const result = await this.ssh.authenticateWithPassword(this.authUsername, this.profile.options.password)
+                if (result) {
-                    if (result) {
+                    return result
-                        return result
-                    }
                 }
-
+            }
-                if (!this.keychainPasswordUsed && this.profile.options.user) {
+            if (method.type === 'prompt-password') {
-                    const password = await this.passwordStorage.loadPassword(this.profile)
-                    if (password) {
-                        this.emitServiceMessage(this.translate.instant('Trying saved password'))
-                        this.keychainPasswordUsed = true
-                        const result = await this.ssh.authenticateWithPassword(this.authUsername, password)
-                        if (result) {
-                            return result
-                        }
-                    }
-                }
-
                 const modal = this.ngbModal.open(PromptModalComponent)
                 modal.componentInstance.prompt = `Password for ${this.authUsername}@${this.profile.options.host}`
                 modal.componentInstance.password = true
@@ -544,6 +551,17 @@ export class SSHSession {
                             state.instructions,
                             state.prompts(),
                         )
+
+                        if (method.savedPassword) {
+                            // eslint-disable-next-line max-depth
+                            for (let i = 0; i < prompt.prompts.length; i++) {
+                                // eslint-disable-next-line max-depth
+                                if (prompt.isAPasswordPrompt(i)) {
+                                    prompt.responses[i] = method.savedPassword
+                                }
+                            }
+                        }
+
                         this.emitKeyboardInteractivePrompt(prompt)
 
                         try {