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Fix Gemini CLI gateway authentication - #27

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ygpark80 merged 1 commit into
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fix/25-gemini-external-auth
Aug 24, 2026
Merged

Fix Gemini CLI gateway authentication#27
ygpark80 merged 1 commit into
mainfrom
fix/25-gemini-external-auth

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@ygpark80

@ygpark80 ygpark80 commented Aug 24, 2026

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Closes #25

Marks the official Gemini CLI gateway as externally authenticated and trusts the workspace only for explicit non-interactive prompt delegation.

Verified with go test ./..., go vet ./..., go build ./..., and the official Gemini CLI 0.56.0 reaching the Prism gateway.


CodeAnt-AI Description

Fix Gemini CLI authentication through Prism gateways

What Changed

  • Gemini CLI now uses external gateway authentication, allowing Prism to handle authentication without prompting the CLI for its own login.
  • Workspace trust is enabled only for non-interactive prompt execution, while interactive sessions retain the CLI's normal trust behavior.
  • Added coverage confirming the gateway settings and workspace trust environment are applied correctly.

Impact

✅ Gemini CLI requests authenticate through Prism gateways
✅ Fewer authentication prompts for automated Gemini prompts
✅ Interactive workspace trust remains unchanged

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codeant-ai Bot commented Aug 24, 2026

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🤖 CodeAnt AI — Review Status

Status Commit Started (UTC) Finished (UTC)
✅ Reviewed your PR 2a23a79 Aug 24, 2026 · 11:48 11:50

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@codeant-ai codeant-ai Bot added the size:S This PR changes 10-29 lines, ignoring generated files label Aug 24, 2026
@ygpark80
ygpark80 merged commit 470dd77 into main Aug 24, 2026
1 check passed
@ygpark80
ygpark80 deleted the fix/25-gemini-external-auth branch August 24, 2026 11:49
Comment thread internal/cli/gemini.go
Comment on lines +220 to +227
func isAutomatedGeminiPrompt(args []string) bool {
for _, argument := range args {
if argument == "-p" || argument == "--prompt" || strings.HasPrefix(argument, "--prompt=") {
return true
}
}
return false
}

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Suggestion: The detector scans arguments after the -- separator, even though parseClaudeOptions preserves -- and all following values as passthrough arguments. A prompt or positional value after -- equal to --prompt, -p, or beginning with --prompt= will incorrectly enable GEMINI_CLI_TRUST_WORKSPACE=true, granting workspace trust when the user did not request automated prompt mode. Stop scanning once -- is encountered. [incorrect condition logic]

Severity Level: Critical 🚨
- ❌ Separator-delimited arguments can enable workspace trust.
- ⚠️ Interactive Gemini execution may skip workspace confirmation.
- ⚠️ Trust boundary depends on raw argument text.

Use CodeAnt Skill

Prompt for AI Agent 🤖
This is a comment left during a code review.

**Path:** internal/cli/gemini.go
**Line:** 220:227
**Comment:**
	*Incorrect Condition Logic: The detector scans arguments after the `--` separator, even though `parseClaudeOptions` preserves `--` and all following values as passthrough arguments. A prompt or positional value after `--` equal to `--prompt`, `-p`, or beginning with `--prompt=` will incorrectly enable `GEMINI_CLI_TRUST_WORKSPACE=true`, granting workspace trust when the user did not request automated prompt mode. Stop scanning once `--` is encountered.

Validate the correctness of the flagged issue. If correct, How can I resolve this? If you propose a fix, implement it and please make it concise.
Once fix is implemented, also check other comments on the same PR, and ask user if the user wants to fix the rest of the comments as well. if said yes, then fetch all the comments validate the correctness and implement a minimal fix
👍 | 👎

Comment thread internal/cli/gemini.go
Comment on lines +239 to +241
if trustWorkspace && strings.EqualFold(name, "GEMINI_CLI_TRUST_WORKSPACE") {
continue
}

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Suggestion: Interactive invocations retain any inherited GEMINI_CLI_TRUST_WORKSPACE value because the variable is filtered only when trustWorkspace is true. A user or parent process with this variable set to true can therefore enable workspace trust without an explicit non-interactive prompt, violating the intended security boundary. Always remove the inherited variable and append it only for automated prompts. [security]

Severity Level: Critical 🚨
- ❌ Interactive Gemini sessions can inherit workspace trust.
- ⚠️ Workspace security prompts may be bypassed through process environment.
- ⚠️ Interactive tool execution receives broader workspace permissions.

Use CodeAnt Skill

Prompt for AI Agent 🤖
This is a comment left during a code review.

**Path:** internal/cli/gemini.go
**Line:** 239:241
**Comment:**
	*Security: Interactive invocations retain any inherited `GEMINI_CLI_TRUST_WORKSPACE` value because the variable is filtered only when `trustWorkspace` is true. A user or parent process with this variable set to `true` can therefore enable workspace trust without an explicit non-interactive prompt, violating the intended security boundary. Always remove the inherited variable and append it only for automated prompts.

Validate the correctness of the flagged issue. If correct, How can I resolve this? If you propose a fix, implement it and please make it concise.
Once fix is implemented, also check other comments on the same PR, and ask user if the user wants to fix the rest of the comments as well. if said yes, then fetch all the comments validate the correctness and implement a minimal fix
👍 | 👎

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feat: add multi-account Cursor and Gemini CLI delegation

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