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ADFA-4684 | Fix Gemini API key entry: show/hide, trim, and at-rest encryption#49

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refactor/ADFA-4589-ai-hackathon-pluginfrom
fix/ADFA-4684-secure-gemini-api-key
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ADFA-4684 | Fix Gemini API key entry: show/hide, trim, and at-rest encryption#49
jatezzz wants to merge 2 commits into
refactor/ADFA-4589-ai-hackathon-pluginfrom
fix/ADFA-4684-secure-gemini-api-key

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@jatezzz

@jatezzz jatezzz commented Jul 20, 2026

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Description

Fixes the Gemini API key input in the AI Assistant plugin, reported in appdevforall/CodeOnTheGo#1514 where keys wouldn't save correctly and produced 400 "invalid API key" errors. The field now has a working show/hide (eye) toggle that reveals the actual saved key, trims the value on save (dropping the trailing spaces/newlines Gemini rejects), and stops corrupting the key with a masked placeholder on edit. The key is also encrypted at rest with a hardware-backed Android Keystore secret instead of being stored as plaintext.

Details

Changes:

  • Show/hide toggle: new ic_visibility / ic_visibility_off drawables and an ImageButton beside the input; toggle swaps inputType via an explicit visibility flag (the previous bit-check never flipped back, so it always read "hidden").
  • Edit loads the real key: Edit now populates the field with the actual saved key (masked) rather than 16 placeholder bullets, so the eye can reveal it and Save can't re-store the placeholder as the key.
  • Trim on save: saveButton trims before persisting (read side already trimmed).
  • Encryption at rest: SecureApiKeyStore (AES/GCM, Android Keystore) in both ai-assistant (write/read) and ai-core (read for API calls); only ciphertext hits SharedPreferences, and legacy plaintext keys migrate transparently on next save.
  • Strings: hint, content descriptions, and trings.xml`.
document_5111703426673150080.mp4

Ticket

ADFA-4684

Fixes:

Observation

  • The Gemini model list is intentionally left as t (kept for compatibility); retired models can still be selected but now surface a clearer error.
  • SecureApiKeyStore is duplicated in ai-assistay're separate Gradle projects with no shared module; the two copies must stay in sync (same alias cotg_ai_gemini_key_v1 and transform) or ai-core can't decrypt what ai-assistant wrote. They interoperate because both plugins run in the host app's process (shared Keystore).

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@jatezzz

jatezzz commented Jul 20, 2026

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@jatezzz
jatezzz force-pushed the fix/ADFA-4684-secure-gemini-api-key branch from c809089 to 4426b31 Compare July 21, 2026 21:30
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jatezzz commented Jul 21, 2026

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jatezzz force-pushed the fix/ADFA-4684-secure-gemini-api-key branch 4 times, most recently from 086fe7b to 3ded9d8 Compare July 22, 2026 17:48

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Requesting changes. Two blocking items scoped to this PR's diff (the API-key security + FilePicker rewrite). The larger AI-plugin findings from the review belong to the base PR #41 and are posted there, not here.

The rest of the PR is solid: AES/GCM at-rest encryption with legacy-plaintext passthrough, inputType="textPassword" on the key field, save-failure surfaced instead of crashing, and the in-place FilePicker refresh that fixes the second-"Toggle All" crash.

@jatezzz
jatezzz force-pushed the refactor/ADFA-4589-ai-hackathon-plugin branch from 3d33b7a to b939ff5 Compare July 23, 2026 18:27
@jatezzz
jatezzz force-pushed the fix/ADFA-4684-secure-gemini-api-key branch from 3ded9d8 to 759d71d Compare July 23, 2026 19:54
@jatezzz
jatezzz requested a review from hal-eisen-adfa July 23, 2026 20:41
@jatezzz
jatezzz force-pushed the fix/ADFA-4684-secure-gemini-api-key branch from 8d1651d to 5764d1f Compare July 24, 2026 17:33
jatezzz added 2 commits July 24, 2026 13:44
- Fix file picker empty state and `BadTokenException` by using the correct project context (`IdeProjectService`) and moving I/O off the main thread.
- Secure Gemini API key with hardware-backed Keystore encryption (including legacy migration) and add a show/hide toggle.
- Improve UI by replacing emoji markers with vector drawables and extracting hardcoded strings to `strings.xml`.
…n file-picker containment

Make save/getGeminiApiKey suspend on ioDispatcher, guard edit/save UI with try-finally and confine the picker via normalized Path.startsWith with filtered, off-thread listing.
@jatezzz
jatezzz force-pushed the fix/ADFA-4684-secure-gemini-api-key branch from 5764d1f to b44608f Compare July 24, 2026 18:45
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