1// Package agent wires the provider, core, tools, auth, and modes into a CLI.
2package agent
3
4import (
5 "context"
6 "encoding/json"
7 "errors"
8 "fmt"
9 "os"
10 "path/filepath"
11 "runtime"
12 "strings"
13 "time"
14
15 providerpkg "github.com/patriceckhart/zot/packages/provider"
16 "github.com/patriceckhart/zot/packages/provider/auth"
17)
18
19// QuickModelShortcut is one configured keyboard shortcut slot.
20type QuickModelShortcut struct {
21 Provider string `json:"provider"`
22 Model string `json:"model"`
23}
24
25// Config is the persisted user configuration.
26type Config struct {
27 Provider string `json:"provider"`
28 Model string `json:"model"`
29 Reasoning string `json:"reasoning"`
30 Temperature *float32 `json:"temperature,omitempty"`
31 Theme string `json:"theme"`
32
33 // ToolRender selects how tool calls are drawn in interactive mode.
34 // "box" (default, or empty) wraps each call in a bordered panel;
35 // "flat" drops the frame for a quiet header line plus indented,
36 // frameless output. The ZOT_FLAT_TOOLS env var overrides this when
37 // set ("1"/"true" forces flat, "0"/"false" forces box).
38 ToolRender string `json:"tool_render,omitempty"`
39
40 // CompactInput renders sent user messages as a single quiet gutter
41 // line instead of a padded, background-tinted bubble. nil/false
42 // (the default) keeps the bubble. The ZOT_COMPACT_INPUT env var
43 // overrides this when set.
44 CompactInput *bool `json:"compact_input,omitempty"`
45
46 // QuickModelShortcuts maps slots 1-9 to provider/model pairs used by
47 // Ctrl+1..9. Cmd+1..9 may also work on terminals that forward Super.
48 QuickModelShortcuts []QuickModelShortcut `json:"quick_model_shortcuts,omitempty"`
49
50 // InlineImagesEnabled controls whether zot draws screenshots inline
51 // when the terminal supports an image protocol. nil/missing means
52 // auto (enabled when supported); false disables; true forces the
53 // detected protocol when available.
54 InlineImagesEnabled *bool `json:"inline_images_enabled,omitempty"`
55
56 // AutoSwarmEnabled lets the main agent spawn background sub-agents
57 // for parallel sub-tasks via a built-in swarm_spawn tool. Off by
58 // default; nil/missing means disabled. Toggle from /settings.
59 AutoSwarmEnabled *bool `json:"auto_swarm_enabled,omitempty"`
60
61 // AutoCompactThreshold is the percentage of the model context window
62 // that triggers automatic transcript compaction in interactive mode.
63 // nil/missing means 85; zero disables percentage-based triggers.
64 AutoCompactThreshold *int `json:"auto_compact_threshold,omitempty"`
65
66 // JailByDefault confines tools to the session working directory when
67 // a new agent starts. Off by default; nil/missing means disabled.
68 // The live session can still override this with /jail or /unjail.
69 JailByDefault *bool `json:"jail_by_default,omitempty"`
70
71 // PowerShellEnabled adds the optional PowerShell tool to the default tool
72 // set on Windows. Explicit --tools and --no-tools override this preference.
73 PowerShellEnabled *bool `json:"powershell_enabled,omitempty"`
74
75 // OpenRouterServerToolsEnabled advertises OpenRouter server tools
76 // (web search, datetime, advisor, and others) when the provider is OpenRouter.
77 // Default off: users explicitly opt in from /settings.
78 OpenRouterServerToolsEnabled *bool `json:"openrouter_server_tools_enabled,omitempty"`
79
80 // OpenRouterServerToolCallLimit caps OpenRouter server-tool calls per turn
81 // when server tools are enabled. nil/missing uses the built-in default (4).
82 OpenRouterServerToolCallLimit *int `json:"openrouter_server_tool_call_limit,omitempty"`
83
84 // RecursiveFileSuggest controls the @-mention file picker. When true
85 // the picker fuzzy-searches the whole project tree below the working
86 // directory; nil/missing/false keeps the default directory-by-
87 // directory browse. Toggle from /settings.
88 RecursiveFileSuggest *bool `json:"recursive_file_suggest,omitempty"`
89
90 // FuzzySkillSuggest enables ranked subsequence skill suggestions.
91 // nil/missing/false preserves prefix matching. Toggle from /settings.
92 FuzzySkillSuggest *bool `json:"fuzzy_skill_suggest,omitempty"`
93
94 // RespectGitignore controls whether the @-mention file picker hides
95 // files and directories matched by the project's root .gitignore (in
96 // both flat and recursive modes). nil/missing means the default,
97 // which is on; false shows ignored entries. Toggle from /settings.
98 RespectGitignore *bool `json:"respect_gitignore,omitempty"`
99
100 // CompactMode renders the interactive transcript with less chrome:
101 // tool calls use flat headers instead of bordered panels, and sent
102 // user messages render without padded background bubbles. Off by
103 // default; nil/missing means disabled. Toggle from /settings.
104 CompactMode *bool `json:"compact_mode,omitempty"`
105
106 // CollapseToolCall retains the tool-call header, a final preview line,
107 // and failure status. Off by default; nil/missing means disabled.
108 // Toggle from /settings.
109 CollapseToolCall *bool `json:"collapse_tool_call,omitempty"`
110
111 // ShowInstructionsAtStartup lists loaded context files, extensions,
112 // and user-installed skills above the transcript. Off by default;
113 // nil/missing means disabled. Toggle from /settings.
114 ShowInstructionsAtStartup *bool `json:"show_instructions_at_startup,omitempty"`
115
116 // TUIInputStyle controls the main input rendering. Supported values:
117 // "plain" (default), "lines", and "block".
118 TUIInputStyle string `json:"tui_input_style,omitempty"`
119
120 // TUIStatusPosition controls whether model, usage, and cwd information
121 // render above or below the main input. Supported values: "above_input"
122 // (default) and "below_input".
123 TUIStatusPosition string `json:"tui_status_position,omitempty"`
124
125 // TUIWorkingPosition controls whether the busy/working spinner renders
126 // above or below the main input. Supported values: "above_input"
127 // (default) and "below_input".
128 TUIWorkingPosition string `json:"tui_working_position,omitempty"`
129
130 // Insecure skips TLS verification for custom inference endpoints.
131 Insecure bool `json:"insecure,omitempty"`
132
133 // HTTPProxy is a global proxy URL used for HTTP and HTTPS requests when
134 // the corresponding standard proxy environment variable is not already set.
135 HTTPProxy string `json:"http_proxy,omitempty"`
136
137 // LastChangelogShown is the version whose release-notes
138 // dialog the user has already seen. When the running binary's
139 // version differs, the next interactive run shows the
140 // changelog (fetched from the GitHub release page) once and
141 // updates this field. Empty means "never shown".
142 LastChangelogShown string `json:"last_changelog_shown,omitempty"`
143}
144
145// ZotHome returns $ZOT_HOME or the OS-default data dir.
146//
147// All zot state (config.json, auth.json, sessions/, logs/) lives under
148// this directory.
149func ZotHome() string {
150 if v := os.Getenv("ZOT_HOME"); v != "" {
151 return v
152 }
153 if v := os.Getenv("XDG_STATE_HOME"); v != "" {
154 return filepath.Join(v, "zot")
155 }
156 switch runtime.GOOS {
157 case "darwin":
158 if home, err := os.UserHomeDir(); err == nil {
159 return filepath.Join(home, "Library", "Application Support", "zot")
160 }
161 case "windows":
162 if v := os.Getenv("LOCALAPPDATA"); v != "" {
163 return filepath.Join(v, "zot")
164 }
165 }
166 if home, err := os.UserHomeDir(); err == nil {
167 return filepath.Join(home, ".local", "state", "zot")
168 }
169 return ".zot"
170}
171
172// ConfigPath returns the path to config.json.
173func ConfigPath() string { return filepath.Join(ZotHome(), "config.json") }
174
175// FlatToolRender reports whether tool calls should render flat (no
176// bordered panel). The ZOT_FLAT_TOOLS env var takes precedence over
177// the config when set: "1"/"true"/"yes"/"on" force flat, "0"/"false"/
178// "no"/"off" force box. Otherwise the config's tool_render is
179// consulted; "flat" is flat, anything else (including empty) is box.
180func (c Config) FlatToolRender() bool {
181 if v := strings.TrimSpace(strings.ToLower(os.Getenv("ZOT_FLAT_TOOLS"))); v != "" {
182 switch v {
183 case "1", "true", "yes", "on", "flat":
184 return true
185 case "0", "false", "no", "off", "box":
186 return false
187 }
188 }
189 return strings.EqualFold(strings.TrimSpace(c.ToolRender), "flat")
190}
191
192// CompactUserInput reports whether sent user messages should render as
193// a single quiet gutter line instead of a padded, background-tinted
194// bubble. The ZOT_COMPACT_INPUT env var takes precedence over the
195// config when set: "1"/"true"/"yes"/"on" force compact, "0"/"false"/
196// "no"/"off" force the bubble. Otherwise the config's compact_input
197// is consulted (nil/false means the bubble).
198func (c Config) CompactUserInput() bool {
199 if v := strings.TrimSpace(strings.ToLower(os.Getenv("ZOT_COMPACT_INPUT"))); v != "" {
200 switch v {
201 case "1", "true", "yes", "on", "compact":
202 return true
203 case "0", "false", "no", "off", "bubble":
204 return false
205 }
206 }
207 return c.CompactInput != nil && *c.CompactInput
208}
209
210// AuthPath returns the path to auth.json.
211func AuthPath() string { return filepath.Join(ZotHome(), "auth.json") }
212
213// KimiCLIFallbackDisabledPath returns a sentinel that disables falling
214// back to the official Kimi Code CLI token after `zot /logout kimi`.
215func KimiCLIFallbackDisabledPath() string {
216 return filepath.Join(ZotHome(), "kimi-cli-fallback-disabled")
217}
218
219// SessionsPath returns the directory holding session files.
220func SessionsPath() string { return filepath.Join(ZotHome(), "sessions") }
221
222// LogsPath returns the directory holding log files.
223func LogsPath() string { return filepath.Join(ZotHome(), "logs") }
224
225// LoadConfig reads the config file, returning defaults if missing.
226func LoadConfig() (Config, error) {
227 var c Config
228 b, err := os.ReadFile(ConfigPath())
229 if errors.Is(err, os.ErrNotExist) {
230 return c, nil
231 }
232 if err != nil {
233 return c, err
234 }
235 if err := json.Unmarshal(b, &c); err != nil {
236 return c, fmt.Errorf("parse config: %w", err)
237 }
238 return c, nil
239}
240
241// SaveConfig writes the config file, creating parent dirs.
242func SaveConfig(c Config) error {
243 if err := os.MkdirAll(ZotHome(), 0o755); err != nil {
244 return err
245 }
246 b, err := json.MarshalIndent(c, "", " ")
247 if err != nil {
248 return err
249 }
250 return os.WriteFile(ConfigPath(), b, 0o644)
251}
252
253// applyConfiguredHTTPProxy makes the persisted proxy available to Go's
254// standard HTTP transport and to child processes. Explicit environment
255// variables take precedence over config.json.
256func applyConfiguredHTTPProxy() {
257 cfg, err := LoadConfig()
258 if err != nil {
259 return
260 }
261 proxy := strings.TrimSpace(cfg.HTTPProxy)
262 if proxy == "" {
263 return
264 }
265 if os.Getenv("HTTP_PROXY") == "" && os.Getenv("http_proxy") == "" {
266 _ = os.Setenv("HTTP_PROXY", proxy)
267 }
268 if os.Getenv("HTTPS_PROXY") == "" && os.Getenv("https_proxy") == "" {
269 _ = os.Setenv("HTTPS_PROXY", proxy)
270 }
271}
272
273// AuthStoreFor returns the auth.Store backed by AuthPath().
274func AuthStoreFor() *auth.Store { return auth.NewStore(AuthPath()) }
275
276// ResolveLlamaCPPConfig resolves the router URL and optional API key. The
277// environment overrides the credential stored through /login.
278func ResolveLlamaCPPConfig() (baseURL, apiKey string, err error) {
279 return resolveLlamaCPPConfig(context.Background(), apiKeyCommandExecute)
280}
281
282func resolveLlamaCPPConfig(ctx context.Context, commandMode apiKeyCommandMode) (baseURL, apiKey string, err error) {
283 baseURL = strings.TrimSpace(os.Getenv("LLAMA_BASE_URL"))
284 apiKey = strings.TrimSpace(os.Getenv("LLAMA_API_KEY"))
285 if baseURL == "" {
286 creds, loadErr := AuthStoreFor().Load()
287 if loadErr != nil {
288 return "", "", loadErr
289 }
290 if stored, ok := creds.AdditionalAPIKeyCreds[providerpkg.LlamaCPPProviderID]; ok {
291 baseURL = stored.BaseURL
292 if apiKey == "" {
293 if stored.APIKeyCommand != nil && commandMode == apiKeyCommandSkip {
294 return "", "", nil
295 }
296 if key, found, commandErr := resolveStoredAPIKey(ctx, providerpkg.LlamaCPPProviderID, stored, commandMode); found || commandErr != nil {
297 if commandErr != nil {
298 return "", "", commandErr
299 }
300 apiKey = key
301 }
302 }
303 }
304 }
305 if baseURL == "" {
306 return "", apiKey, nil
307 }
308 baseURL, err = providerpkg.NormalizeLlamaCPPURL(baseURL)
309 return baseURL, apiKey, err
310}
311
312// ResolveCredential returns the credential (api key or oauth access
313// token), the method ("apikey"/"oauth"), and an error when no
314// credential is available.
315//
316// Lookup order:
317// 1. explicit (e.g. --api-key): treated as API key
318// 2. provider-specific env var: treated as API key
319// 3. auth.json: api key OR oauth, whichever is present
320func ResolveCredential(provider, explicit string) (cred, method string, err error) {
321 cred, method, _, err = ResolveCredentialFull(provider, explicit)
322 return cred, method, err
323}
324
325// ResolveCredentialContext is ResolveCredential with caller cancellation.
326func ResolveCredentialContext(ctx context.Context, provider, explicit string) (cred, method string, err error) {
327 cred, method, _, err = ResolveCredentialFullContext(ctx, provider, explicit)
328 return cred, method, err
329}
330
331// ResolveCredentialFull is like ResolveCredential but also returns a
332// provider-specific accountID when the credential is an OpenAI OAuth
333// token (the ChatGPT account id extracted from the stored id_token).
334// accountID is "" for API-key auth and for anthropic.
335func ResolveCredentialFull(provider, explicit string) (cred, method, accountID string, err error) {
336 return ResolveCredentialFullContext(context.Background(), provider, explicit)
337}
338
339// ResolveCredentialFullContext is ResolveCredentialFull with caller cancellation.
340func ResolveCredentialFullContext(ctx context.Context, provider, explicit string) (cred, method, accountID string, err error) {
341 return resolveCredentialFull(ctx, provider, explicit, apiKeyCommandExecute)
342}
343
344type apiKeyCommandMode uint8
345
346const (
347 apiKeyCommandExecute apiKeyCommandMode = iota
348 apiKeyCommandAvailable
349 apiKeyCommandSkip
350)
351
352func resolveCredentialFull(ctx context.Context, provider, explicit string, commandMode apiKeyCommandMode) (cred, method, accountID string, err error) {
353 if explicit != "" {
354 return explicit, "apikey", "", nil
355 }
356 switch provider {
357 case "anthropic":
358 // ANTHROPIC_OAUTH_TOKEN takes precedence over ANTHROPIC_API_KEY.
359 // Useful when both are set and the user wants subscription auth
360 // without editing auth.json.
361 if v := os.Getenv("ANTHROPIC_OAUTH_TOKEN"); v != "" {
362 return v, "oauth", "", nil
363 }
364 if v := os.Getenv("ANTHROPIC_API_KEY"); v != "" {
365 return v, "apikey", "", nil
366 }
367 case "openai":
368 if v := os.Getenv("OPENAI_API_KEY"); v != "" {
369 return v, "apikey", "", nil
370 }
371 case "openai-codex":
372 // ChatGPT/Codex subscription route. It intentionally ignores
373 // OPENAI_API_KEY so users can keep both OpenAI API and Codex
374 // subscription credentials configured and choose by provider.
375 case "openai-responses":
376 // Public OpenAI Responses API. Same env var as the chat-completions
377 // `openai` provider; users pick the wire format by provider id.
378 if v := os.Getenv("OPENAI_API_KEY"); v != "" {
379 return v, "apikey", "", nil
380 }
381 case "kimi":
382 if v := os.Getenv("KIMI_API_KEY"); v != "" {
383 return v, "apikey", "", nil
384 }
385 if v := os.Getenv("MOONSHOT_API_KEY"); v != "" {
386 return v, "apikey", "", nil
387 }
388 case "google":
389 // Both env names are widely-used in the Google ecosystem;
390 // GEMINI_API_KEY is the AI Studio default, GOOGLE_API_KEY
391 // is the older / generic name. Either works.
392 if v := os.Getenv("GEMINI_API_KEY"); v != "" {
393 return v, "apikey", "", nil
394 }
395 if v := os.Getenv("GOOGLE_API_KEY"); v != "" {
396 return v, "apikey", "", nil
397 }
398 case "deepseek":
399 if v := os.Getenv("DEEPSEEK_API_KEY"); v != "" {
400 return v, "apikey", "", nil
401 }
402 case "llama.cpp":
403 baseURL, apiKey, resolveErr := resolveLlamaCPPConfig(ctx, commandMode)
404 if resolveErr != nil {
405 return "", "", "", resolveErr
406 }
407 if baseURL != "" {
408 return firstNonEmpty(apiKey, "local"), "apikey", "", nil
409 }
410 case "moonshotai", "moonshotai-cn":
411 // Moonshot direct API (separate from kimi-coding, which is the
412 // Anthropic-Messages-fronted /coding endpoint with subscription OAuth).
413 if v := os.Getenv("MOONSHOT_API_KEY"); v != "" {
414 return v, "apikey", "", nil
415 }
416 case "groq":
417 if v := os.Getenv("GROQ_API_KEY"); v != "" {
418 return v, "apikey", "", nil
419 }
420 case "xai":
421 if v := os.Getenv("XAI_API_KEY"); v != "" {
422 return v, "apikey", "", nil
423 }
424 case "cerebras":
425 if v := os.Getenv("CEREBRAS_API_KEY"); v != "" {
426 return v, "apikey", "", nil
427 }
428 case "together":
429 if v := os.Getenv("TOGETHER_API_KEY"); v != "" {
430 return v, "apikey", "", nil
431 }
432 case "huggingface":
433 if v := os.Getenv("HF_TOKEN"); v != "" {
434 return v, "apikey", "", nil
435 }
436 case "openrouter":
437 if v := os.Getenv("OPENROUTER_API_KEY"); v != "" {
438 return v, "apikey", "", nil
439 }
440 case "gondola":
441 if v := os.Getenv("GONDOLA_API_KEY"); v != "" {
442 return v, "apikey", "", nil
443 }
444 case "mistral":
445 if v := os.Getenv("MISTRAL_API_KEY"); v != "" {
446 return v, "apikey", "", nil
447 }
448 case "zai":
449 if v := os.Getenv("ZAI_API_KEY"); v != "" {
450 return v, "apikey", "", nil
451 }
452 case "xiaomi", "xiaomi-token-plan-ams", "xiaomi-token-plan-cn", "xiaomi-token-plan-sgp":
453 envVar := "XIAOMI_API_KEY"
454 switch provider {
455 case "xiaomi-token-plan-ams":
456 envVar = "XIAOMI_TOKEN_PLAN_AMS_API_KEY"
457 case "xiaomi-token-plan-cn":
458 envVar = "XIAOMI_TOKEN_PLAN_CN_API_KEY"
459 case "xiaomi-token-plan-sgp":
460 envVar = "XIAOMI_TOKEN_PLAN_SGP_API_KEY"
461 }
462 if v := os.Getenv(envVar); v != "" {
463 return v, "apikey", "", nil
464 }
465 case "minimax":
466 if v := os.Getenv("MINIMAX_API_KEY"); v != "" {
467 return v, "apikey", "", nil
468 }
469 case "minimax-cn":
470 if v := os.Getenv("MINIMAX_CN_API_KEY"); v != "" {
471 return v, "apikey", "", nil
472 }
473 if v := os.Getenv("MINIMAX_API_KEY"); v != "" {
474 return v, "apikey", "", nil
475 }
476 case "fireworks":
477 if v := os.Getenv("FIREWORKS_API_KEY"); v != "" {
478 return v, "apikey", "", nil
479 }
480 case "vercel-ai-gateway":
481 if v := os.Getenv("AI_GATEWAY_API_KEY"); v != "" {
482 return v, "apikey", "", nil
483 }
484 case "opencode", "opencode-go":
485 if v := os.Getenv("OPENCODE_API_KEY"); v != "" {
486 return v, "apikey", "", nil
487 }
488 case "github-copilot":
489 if v := os.Getenv("COPILOT_GITHUB_TOKEN"); v != "" {
490 return v, "apikey", "", nil
491 }
492 if v := os.Getenv("GITHUB_COPILOT_TOKEN"); v != "" {
493 return v, "apikey", "", nil
494 }
495 case "cloudflare-workers-ai", "cloudflare-ai-gateway":
496 if v := os.Getenv("CLOUDFLARE_API_KEY"); v != "" {
497 return v, "apikey", "", nil
498 }
499 case "amazon-bedrock":
500 // Bedrock has many credential sources (AWS_PROFILE, IAM keys,
501 // container creds, IRSA, bearer token). We surface a sentinel so
502 // Resolve doesn't error on missing key; the real client (when
503 // implemented) will resolve credentials through aws-sdk-go-v2.
504 if os.Getenv("AWS_ACCESS_KEY_ID") != "" || os.Getenv("AWS_PROFILE") != "" ||
505 os.Getenv("AWS_BEARER_TOKEN_BEDROCK") != "" {
506 return "<aws>", "apikey", "", nil
507 }
508 case "google-vertex":
509 if v := os.Getenv("GOOGLE_CLOUD_API_KEY"); v != "" {
510 return v, "apikey", "", nil
511 }
512 // Check for Application Default Credentials (gcloud auth application-default login)
513 // or service account JSON, matching the actual NewVertex client behavior.
514 if os.Getenv("GOOGLE_APPLICATION_CREDENTIALS") != "" {
515 return "<adc>", "apikey", "", nil
516 }
517 // Check for the platform-specific default ADC path that gcloud writes to.
518 if adcPath, err := auth.GoogleApplicationDefaultCredentialsPath(); err == nil {
519 if _, err := os.Stat(adcPath); err == nil {
520 return "<adc>", "apikey", "", nil
521 }
522 }
523 case "azure-openai-responses":
524 if v := os.Getenv("AZURE_OPENAI_API_KEY"); v != "" {
525 return v, "apikey", "", nil
526 }
527 }
528 // Generic env var fallback for custom providers: normalize the
529 // provider id to a shell-friendly env var name (hyphens to
530 // underscores) and check {NAME}_API_KEY before auth.json.
531 if v := os.Getenv(normalizeCustomProviderEnvVar(provider) + "_API_KEY"); v != "" {
532 return v, "apikey", "", nil
533 }
534 c, err := AuthStoreFor().Load()
535 if err != nil {
536 return "", "", "", err
537 }
538 if pc, ok := storedProviderCreds(c, provider); ok {
539 if key, found, commandErr := resolveStoredAPIKey(ctx, provider, pc, commandMode); found || commandErr != nil {
540 if commandErr != nil {
541 return "", "", "", commandErr
542 }
543 return key, "apikey", "", nil
544 }
545 if provider == "xai" && pc.OAuth != nil && pc.OAuth.AccessToken != "" {
546 tok, _ := refreshIfExpired(provider, pc.OAuth)
547 return tok.AccessToken, "oauth", "", nil
548 }
549 }
550 switch provider {
551 case "anthropic":
552 if c.Anthropic.OAuth != nil && c.Anthropic.OAuth.AccessToken != "" {
553 tok, _ := refreshIfExpired("anthropic", c.Anthropic.OAuth)
554 return tok.AccessToken, "oauth", "", nil
555 }
556 case "openai-codex":
557 if c.OpenAI.OAuth != nil && c.OpenAI.OAuth.AccessToken != "" {
558 tok, _ := refreshIfExpired("openai", c.OpenAI.OAuth)
559 return tok.AccessToken, "oauth", tok.AccountID, nil
560 }
561 case "kimi":
562 if c.Kimi.OAuth != nil && c.Kimi.OAuth.AccessToken != "" {
563 tok, _ := refreshIfExpired("kimi", c.Kimi.OAuth)
564 return tok.AccessToken, "oauth", "", nil
565 }
566 if kimiCLIFallbackDisabled() {
567 break
568 }
569 if tok := loadKimiCodeCLIToken(); tok != nil && tok.AccessToken != "" {
570 tok, _ = refreshIfExpired("kimi", tok)
571 return tok.AccessToken, "oauth", "", nil
572 }
573 case "github-copilot":
574 if c.GithubCopilot.OAuth != nil && c.GithubCopilot.OAuth.AccessToken != "" {
575 return c.GithubCopilot.OAuth.AccessToken, "oauth", "", nil
576 }
577 }
578 return "", "", "", fmt.Errorf("no credential for %s", provider)
579}
580
581// CredentialAvailable reports whether a provider has a configured credential
582// without executing an api_key_command.
583func CredentialAvailable(provider string) bool {
584 _, _, _, err := resolveCredentialFull(context.Background(), provider, "", apiKeyCommandAvailable)
585 return err == nil
586}
587
588func resolveCredentialForBackground(ctx context.Context, provider string) (cred, method string, err error) {
589 cred, method, _, err = resolveCredentialFull(ctx, provider, "", apiKeyCommandSkip)
590 return cred, method, err
591}
592
593func storedProviderCreds(c auth.Credentials, provider string) (auth.ProviderCreds, bool) {
594 if pc, ok := c.AdditionalAPIKeyCreds[provider]; ok {
595 return pc, true
596 }
597 switch provider {
598 case "anthropic":
599 return c.Anthropic, true
600 case "openai":
601 return c.OpenAI, true
602 case "kimi":
603 return c.Kimi, true
604 case "google":
605 return c.Google, true
606 case "deepseek":
607 return c.DeepSeek, true
608 case "github-copilot":
609 return c.GithubCopilot, true
610 default:
611 return auth.ProviderCreds{}, false
612 }
613}
614
615func resolveStoredAPIKey(ctx context.Context, provider string, creds auth.ProviderCreds, mode apiKeyCommandMode) (key string, found bool, err error) {
616 if creds.APIKey != "" {
617 return creds.APIKey, true, nil
618 }
619 if creds.APIKeyCommand == nil {
620 return "", false, nil
621 }
622 switch mode {
623 case apiKeyCommandAvailable:
624 return "<api-key-command>", true, nil
625 case apiKeyCommandSkip:
626 return "", false, nil
627 default:
628 key, err := auth.ResolveAPIKeyCommand(ctx, *creds.APIKeyCommand)
629 if err != nil {
630 return "", true, fmt.Errorf("resolve api key for %s: %w", provider, err)
631 }
632 return key, true, nil
633 }
634}
635
636func kimiCLIFallbackDisabled() bool {
637 _, err := os.Stat(KimiCLIFallbackDisabledPath())
638 return err == nil
639}
640
641func SetKimiCLIFallbackDisabled(disabled bool) error {
642 path := KimiCLIFallbackDisabledPath()
643 if !disabled {
644 if err := os.Remove(path); err != nil && !errors.Is(err, os.ErrNotExist) {
645 return err
646 }
647 return nil
648 }
649 if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
650 return err
651 }
652 return os.WriteFile(path, []byte("disabled\n"), 0o600)
653}
654
655// normalizeCustomProviderEnvVar converts a provider id such as
656// "my-company" to "MY_COMPANY", matching the common convention for
657// shell environment variables.
658func normalizeCustomProviderEnvVar(provider string) string {
659 provider = strings.ToUpper(provider)
660 provider = strings.ReplaceAll(provider, "-", "_")
661 return provider
662}
663
664func loadKimiCodeCLIToken() *auth.OAuthToken {
665 home, err := os.UserHomeDir()
666 if err != nil {
667 return nil
668 }
669 b, err := os.ReadFile(filepath.Join(home, ".kimi", "credentials", "kimi-code.json"))
670 if err != nil {
671 return nil
672 }
673 var raw struct {
674 AccessToken string `json:"access_token"`
675 RefreshToken string `json:"refresh_token"`
676 TokenType string `json:"token_type"`
677 ExpiresAt float64 `json:"expires_at"`
678 Scope string `json:"scope"`
679 ExpiresIn float64 `json:"expires_in"`
680 }
681 if err := json.Unmarshal(b, &raw); err != nil || raw.AccessToken == "" {
682 return nil
683 }
684 sec := int64(raw.ExpiresAt)
685 nsec := int64((raw.ExpiresAt - float64(sec)) * 1e9)
686 return &auth.OAuthToken{
687 AccessToken: raw.AccessToken,
688 RefreshToken: raw.RefreshToken,
689 TokenType: raw.TokenType,
690 Scope: raw.Scope,
691 ClientID: auth.KimiOAuth.ClientID,
692 Expiry: time.Unix(sec, nsec),
693 }
694}
695
696// loadOAuthToken reads the current OAuth token from auth.json for the
697// given provider. Returns nil if no token is stored.
698func loadOAuthToken(providerName string) *auth.OAuthToken {
699 c, err := AuthStoreFor().Load()
700 if err != nil {
701 return nil
702 }
703 switch providerName {
704 case "anthropic":
705 if c.Anthropic.OAuth != nil {
706 return c.Anthropic.OAuth
707 }
708 case "openai":
709 if c.OpenAI.OAuth != nil {
710 return c.OpenAI.OAuth
711 }
712 case "kimi":
713 if c.Kimi.OAuth != nil {
714 return c.Kimi.OAuth
715 }
716 if kimiCLIFallbackDisabled() {
717 return nil
718 }
719 return loadKimiCodeCLIToken()
720 case "github-copilot":
721 if c.GithubCopilot.OAuth != nil {
722 return c.GithubCopilot.OAuth
723 }
724 }
725 if pc, ok := c.AdditionalAPIKeyCreds[providerName]; ok {
726 return pc.OAuth
727 }
728 return nil
729}
730
731// refreshIfExpired returns a usable OAuth token for the given provider,
732// refreshing it synchronously when it's past (or near) expiry. The
733// refreshed token is persisted to auth.json.
734//
735// Failures return the original token unchanged — the caller then makes
736// a request with the stale access_token, which will 401. That's still
737// better than crashing at credential-resolution time.
738func refreshIfExpired(providerName string, tok *auth.OAuthToken) (*auth.OAuthToken, error) {
739 if tok == nil {
740 return &auth.OAuthToken{}, fmt.Errorf("nil token")
741 }
742 if !tok.Expired() {
743 return tok, nil
744 }
745 if tok.RefreshToken == "" {
746 return tok, fmt.Errorf("%s oauth token expired and no refresh_token available — run /login again", providerName)
747 }
748
749 if providerName == "xai" {
750 ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
751 defer cancel()
752 next, err := auth.RefreshXAIToken(ctx, tok.RefreshToken)
753 if err != nil {
754 return tok, fmt.Errorf("refresh %s: %w", providerName, err)
755 }
756 if next.RefreshToken == "" {
757 next.RefreshToken = tok.RefreshToken
758 }
759 if err := AuthStoreFor().SetOAuth(providerName, *next); err != nil {
760 return next, fmt.Errorf("persist refreshed token: %w", err)
761 }
762 return next, nil
763 }
764
765 var op auth.OAuthProvider
766 switch providerName {
767 case "anthropic":
768 op = auth.AnthropicOAuth
769 case "openai":
770 op = auth.OpenAIOAuth
771 case "kimi":
772 op = auth.KimiOAuth
773 default:
774 return tok, fmt.Errorf("unknown provider %q", providerName)
775 }
776
777 ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
778 defer cancel()
779 next, err := op.Refresh(ctx, tok.RefreshToken)
780 if err != nil {
781 return tok, fmt.Errorf("refresh %s: %w", providerName, err)
782 }
783 // Preserve the refresh token if the server omitted it (Anthropic often does).
784 if next.RefreshToken == "" {
785 next.RefreshToken = tok.RefreshToken
786 }
787 // Carry over account id (openai) / id_token across refreshes.
788 if next.AccountID == "" {
789 next.AccountID = tok.AccountID
790 }
791 if next.IDToken == "" {
792 next.IDToken = tok.IDToken
793 }
794 if err := AuthStoreFor().SetOAuth(providerName, *next); err != nil {
795 return next, fmt.Errorf("persist refreshed token: %w", err)
796 }
797 return next, nil
798}