bedrock.rs

   1use std::pin::Pin;
   2use std::sync::Arc;
   3
   4use anyhow::{Context as _, Result, anyhow};
   5use aws_config::stalled_stream_protection::StalledStreamProtectionConfig;
   6use aws_config::{BehaviorVersion, Region};
   7use aws_credential_types::{Credentials, Token};
   8use aws_http_client::AwsHttpClient;
   9use bedrock::bedrock_client::Client as BedrockClient;
  10use bedrock::bedrock_client::config::timeout::TimeoutConfig;
  11use bedrock::bedrock_client::types::{
  12    CachePointBlock, CachePointType, ContentBlockDelta, ContentBlockStart, ConverseStreamOutput,
  13    ReasoningContentBlockDelta, StopReason,
  14};
  15use bedrock::{
  16    BedrockAnyToolChoice, BedrockAutoToolChoice, BedrockBlob, BedrockError, BedrockImageBlock,
  17    BedrockImageFormat, BedrockImageSource, BedrockInnerContent, BedrockMessage, BedrockModelMode,
  18    BedrockStreamingResponse, BedrockThinkingBlock, BedrockThinkingTextBlock, BedrockTool,
  19    BedrockToolChoice, BedrockToolConfig, BedrockToolInputSchema, BedrockToolResultBlock,
  20    BedrockToolResultContentBlock, BedrockToolResultStatus, BedrockToolSpec, BedrockToolUseBlock,
  21    Model, value_to_aws_document,
  22};
  23use collections::{BTreeMap, HashMap};
  24use credentials_provider::CredentialsProvider;
  25use futures::{FutureExt, Stream, StreamExt, future::BoxFuture, stream::BoxStream};
  26use gpui::{
  27    AnyView, App, AsyncApp, Context, Entity, FocusHandle, Subscription, Task, Window, actions,
  28};
  29use gpui_tokio::Tokio;
  30use http_client::HttpClient;
  31use language_model::{
  32    AuthenticateError, EnvVar, IconOrSvg, LanguageModel, LanguageModelCacheConfiguration,
  33    LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelId, LanguageModelName,
  34    LanguageModelProvider, LanguageModelProviderId, LanguageModelProviderName,
  35    LanguageModelProviderState, LanguageModelRequest, LanguageModelToolChoice,
  36    LanguageModelToolResultContent, LanguageModelToolUse, MessageContent, RateLimiter, Role,
  37    TokenUsage, env_var,
  38};
  39use schemars::JsonSchema;
  40use serde::{Deserialize, Serialize};
  41use serde_json::Value;
  42use settings::{BedrockAvailableModel as AvailableModel, Settings, SettingsStore};
  43use smol::lock::OnceCell;
  44use std::sync::LazyLock;
  45use strum::{EnumIter, IntoEnumIterator, IntoStaticStr};
  46use ui::{ButtonLink, ConfiguredApiCard, Divider, List, ListBulletItem, prelude::*};
  47use ui_input::InputField;
  48use util::ResultExt;
  49
  50use crate::AllLanguageModelSettings;
  51use crate::provider::util::parse_tool_arguments;
  52
  53actions!(bedrock, [Tab, TabPrev]);
  54
  55const PROVIDER_ID: LanguageModelProviderId = LanguageModelProviderId::new("amazon-bedrock");
  56const PROVIDER_NAME: LanguageModelProviderName = LanguageModelProviderName::new("Amazon Bedrock");
  57
  58/// Credentials stored in the keychain for static authentication.
  59/// Region is handled separately since it's orthogonal to auth method.
  60#[derive(Default, Clone, Deserialize, Serialize, PartialEq, Debug)]
  61pub struct BedrockCredentials {
  62    pub access_key_id: String,
  63    pub secret_access_key: String,
  64    pub session_token: Option<String>,
  65    pub bearer_token: Option<String>,
  66}
  67
  68/// Resolved authentication configuration for Bedrock.
  69/// Settings take priority over UX-provided credentials.
  70#[derive(Clone, Debug, PartialEq)]
  71pub enum BedrockAuth {
  72    /// Use default AWS credential provider chain (IMDSv2, PodIdentity, env vars, etc.)
  73    Automatic,
  74    /// Use AWS named profile from ~/.aws/credentials or ~/.aws/config
  75    NamedProfile { profile_name: String },
  76    /// Use AWS SSO profile
  77    SingleSignOn { profile_name: String },
  78    /// Use IAM credentials (access key + secret + optional session token)
  79    IamCredentials {
  80        access_key_id: String,
  81        secret_access_key: String,
  82        session_token: Option<String>,
  83    },
  84    /// Use Bedrock API Key (bearer token authentication)
  85    ApiKey { api_key: String },
  86}
  87
  88impl BedrockCredentials {
  89    /// Convert stored credentials to the appropriate auth variant.
  90    /// Prefers API key if present, otherwise uses IAM credentials.
  91    fn into_auth(self) -> Option<BedrockAuth> {
  92        if let Some(api_key) = self.bearer_token.filter(|t| !t.is_empty()) {
  93            Some(BedrockAuth::ApiKey { api_key })
  94        } else if !self.access_key_id.is_empty() && !self.secret_access_key.is_empty() {
  95            Some(BedrockAuth::IamCredentials {
  96                access_key_id: self.access_key_id,
  97                secret_access_key: self.secret_access_key,
  98                session_token: self.session_token.filter(|t| !t.is_empty()),
  99            })
 100        } else {
 101            None
 102        }
 103    }
 104}
 105
 106#[derive(Default, Clone, Debug, PartialEq)]
 107pub struct AmazonBedrockSettings {
 108    pub available_models: Vec<AvailableModel>,
 109    pub region: Option<String>,
 110    pub endpoint: Option<String>,
 111    pub profile_name: Option<String>,
 112    pub role_arn: Option<String>,
 113    pub authentication_method: Option<BedrockAuthMethod>,
 114    pub allow_global: Option<bool>,
 115    pub allow_extended_context: Option<bool>,
 116}
 117
 118#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, EnumIter, IntoStaticStr, JsonSchema)]
 119pub enum BedrockAuthMethod {
 120    #[serde(rename = "named_profile")]
 121    NamedProfile,
 122    #[serde(rename = "sso")]
 123    SingleSignOn,
 124    #[serde(rename = "api_key")]
 125    ApiKey,
 126    /// IMDSv2, PodIdentity, env vars, etc.
 127    #[serde(rename = "default")]
 128    Automatic,
 129}
 130
 131impl From<settings::BedrockAuthMethodContent> for BedrockAuthMethod {
 132    fn from(value: settings::BedrockAuthMethodContent) -> Self {
 133        match value {
 134            settings::BedrockAuthMethodContent::SingleSignOn => BedrockAuthMethod::SingleSignOn,
 135            settings::BedrockAuthMethodContent::Automatic => BedrockAuthMethod::Automatic,
 136            settings::BedrockAuthMethodContent::NamedProfile => BedrockAuthMethod::NamedProfile,
 137            settings::BedrockAuthMethodContent::ApiKey => BedrockAuthMethod::ApiKey,
 138        }
 139    }
 140}
 141
 142#[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize, JsonSchema)]
 143#[serde(tag = "type", rename_all = "lowercase")]
 144pub enum ModelMode {
 145    #[default]
 146    Default,
 147    Thinking {
 148        /// The maximum number of tokens to use for reasoning. Must be lower than the model's `max_output_tokens`.
 149        budget_tokens: Option<u64>,
 150    },
 151    AdaptiveThinking {
 152        effort: bedrock::BedrockAdaptiveThinkingEffort,
 153    },
 154}
 155
 156impl From<ModelMode> for BedrockModelMode {
 157    fn from(value: ModelMode) -> Self {
 158        match value {
 159            ModelMode::Default => BedrockModelMode::Default,
 160            ModelMode::Thinking { budget_tokens } => BedrockModelMode::Thinking { budget_tokens },
 161            ModelMode::AdaptiveThinking { effort } => BedrockModelMode::AdaptiveThinking { effort },
 162        }
 163    }
 164}
 165
 166impl From<BedrockModelMode> for ModelMode {
 167    fn from(value: BedrockModelMode) -> Self {
 168        match value {
 169            BedrockModelMode::Default => ModelMode::Default,
 170            BedrockModelMode::Thinking { budget_tokens } => ModelMode::Thinking { budget_tokens },
 171            BedrockModelMode::AdaptiveThinking { effort } => ModelMode::AdaptiveThinking { effort },
 172        }
 173    }
 174}
 175
 176/// The URL of the base AWS service.
 177///
 178/// Right now we're just using this as the key to store the AWS credentials
 179/// under in the keychain.
 180const AMAZON_AWS_URL: &str = "https://amazonaws.com";
 181
 182// These environment variables all use a `ZED_` prefix because we don't want to overwrite the user's AWS credentials.
 183static ZED_BEDROCK_ACCESS_KEY_ID_VAR: LazyLock<EnvVar> = env_var!("ZED_ACCESS_KEY_ID");
 184static ZED_BEDROCK_SECRET_ACCESS_KEY_VAR: LazyLock<EnvVar> = env_var!("ZED_SECRET_ACCESS_KEY");
 185static ZED_BEDROCK_SESSION_TOKEN_VAR: LazyLock<EnvVar> = env_var!("ZED_SESSION_TOKEN");
 186static ZED_AWS_PROFILE_VAR: LazyLock<EnvVar> = env_var!("ZED_AWS_PROFILE");
 187static ZED_BEDROCK_REGION_VAR: LazyLock<EnvVar> = env_var!("ZED_AWS_REGION");
 188static ZED_AWS_ENDPOINT_VAR: LazyLock<EnvVar> = env_var!("ZED_AWS_ENDPOINT");
 189static ZED_BEDROCK_BEARER_TOKEN_VAR: LazyLock<EnvVar> = env_var!("ZED_BEDROCK_BEARER_TOKEN");
 190
 191pub struct State {
 192    /// The resolved authentication method. Settings take priority over UX credentials.
 193    auth: Option<BedrockAuth>,
 194    /// Raw settings from settings.json
 195    settings: Option<AmazonBedrockSettings>,
 196    /// Whether credentials came from environment variables (only relevant for static credentials)
 197    credentials_from_env: bool,
 198    _subscription: Subscription,
 199}
 200
 201impl State {
 202    fn reset_auth(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
 203        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 204        cx.spawn(async move |this, cx| {
 205            credentials_provider
 206                .delete_credentials(AMAZON_AWS_URL, cx)
 207                .await
 208                .log_err();
 209            this.update(cx, |this, cx| {
 210                this.auth = None;
 211                this.credentials_from_env = false;
 212                cx.notify();
 213            })
 214        })
 215    }
 216
 217    fn set_static_credentials(
 218        &mut self,
 219        credentials: BedrockCredentials,
 220        cx: &mut Context<Self>,
 221    ) -> Task<Result<()>> {
 222        let auth = credentials.clone().into_auth();
 223        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 224        cx.spawn(async move |this, cx| {
 225            credentials_provider
 226                .write_credentials(
 227                    AMAZON_AWS_URL,
 228                    "Bearer",
 229                    &serde_json::to_vec(&credentials)?,
 230                    cx,
 231                )
 232                .await?;
 233            this.update(cx, |this, cx| {
 234                this.auth = auth;
 235                this.credentials_from_env = false;
 236                cx.notify();
 237            })
 238        })
 239    }
 240
 241    fn is_authenticated(&self) -> bool {
 242        self.auth.is_some()
 243    }
 244
 245    /// Resolve authentication. Settings take priority over UX-provided credentials.
 246    fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
 247        if self.is_authenticated() {
 248            return Task::ready(Ok(()));
 249        }
 250
 251        // Step 1: Check if settings specify an auth method (enterprise control)
 252        if let Some(settings) = &self.settings {
 253            if let Some(method) = &settings.authentication_method {
 254                let profile_name = settings
 255                    .profile_name
 256                    .clone()
 257                    .unwrap_or_else(|| "default".to_string());
 258
 259                let auth = match method {
 260                    BedrockAuthMethod::Automatic => BedrockAuth::Automatic,
 261                    BedrockAuthMethod::NamedProfile => BedrockAuth::NamedProfile { profile_name },
 262                    BedrockAuthMethod::SingleSignOn => BedrockAuth::SingleSignOn { profile_name },
 263                    BedrockAuthMethod::ApiKey => {
 264                        // ApiKey method means "use static credentials from keychain/env"
 265                        // Fall through to load them below
 266                        return self.load_static_credentials(cx);
 267                    }
 268                };
 269
 270                return cx.spawn(async move |this, cx| {
 271                    this.update(cx, |this, cx| {
 272                        this.auth = Some(auth);
 273                        this.credentials_from_env = false;
 274                        cx.notify();
 275                    })?;
 276                    Ok(())
 277                });
 278            }
 279        }
 280
 281        // Step 2: No settings auth method - try to load static credentials
 282        self.load_static_credentials(cx)
 283    }
 284
 285    /// Load static credentials from environment variables or keychain.
 286    fn load_static_credentials(
 287        &self,
 288        cx: &mut Context<Self>,
 289    ) -> Task<Result<(), AuthenticateError>> {
 290        let credentials_provider = <dyn CredentialsProvider>::global(cx);
 291        cx.spawn(async move |this, cx| {
 292            // Try environment variables first
 293            let (auth, from_env) = if let Some(bearer_token) = &ZED_BEDROCK_BEARER_TOKEN_VAR.value {
 294                if !bearer_token.is_empty() {
 295                    (
 296                        Some(BedrockAuth::ApiKey {
 297                            api_key: bearer_token.to_string(),
 298                        }),
 299                        true,
 300                    )
 301                } else {
 302                    (None, false)
 303                }
 304            } else if let Some(access_key_id) = &ZED_BEDROCK_ACCESS_KEY_ID_VAR.value {
 305                if let Some(secret_access_key) = &ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.value {
 306                    if !access_key_id.is_empty() && !secret_access_key.is_empty() {
 307                        let session_token = ZED_BEDROCK_SESSION_TOKEN_VAR
 308                            .value
 309                            .as_deref()
 310                            .filter(|s| !s.is_empty())
 311                            .map(|s| s.to_string());
 312                        (
 313                            Some(BedrockAuth::IamCredentials {
 314                                access_key_id: access_key_id.to_string(),
 315                                secret_access_key: secret_access_key.to_string(),
 316                                session_token,
 317                            }),
 318                            true,
 319                        )
 320                    } else {
 321                        (None, false)
 322                    }
 323                } else {
 324                    (None, false)
 325                }
 326            } else {
 327                (None, false)
 328            };
 329
 330            // If we got auth from env vars, use it
 331            if let Some(auth) = auth {
 332                this.update(cx, |this, cx| {
 333                    this.auth = Some(auth);
 334                    this.credentials_from_env = from_env;
 335                    cx.notify();
 336                })?;
 337                return Ok(());
 338            }
 339
 340            // Try keychain
 341            let (_, credentials_bytes) = credentials_provider
 342                .read_credentials(AMAZON_AWS_URL, cx)
 343                .await?
 344                .ok_or(AuthenticateError::CredentialsNotFound)?;
 345
 346            let credentials_str = String::from_utf8(credentials_bytes)
 347                .context("invalid {PROVIDER_NAME} credentials")?;
 348
 349            let credentials: BedrockCredentials =
 350                serde_json::from_str(&credentials_str).context("failed to parse credentials")?;
 351
 352            let auth = credentials
 353                .into_auth()
 354                .ok_or(AuthenticateError::CredentialsNotFound)?;
 355
 356            this.update(cx, |this, cx| {
 357                this.auth = Some(auth);
 358                this.credentials_from_env = false;
 359                cx.notify();
 360            })?;
 361
 362            Ok(())
 363        })
 364    }
 365
 366    /// Get the resolved region. Checks env var, then settings, then defaults to us-east-1.
 367    fn get_region(&self) -> String {
 368        // Priority: env var > settings > default
 369        if let Some(region) = ZED_BEDROCK_REGION_VAR.value.as_deref() {
 370            if !region.is_empty() {
 371                return region.to_string();
 372            }
 373        }
 374
 375        self.settings
 376            .as_ref()
 377            .and_then(|s| s.region.clone())
 378            .unwrap_or_else(|| "us-east-1".to_string())
 379    }
 380
 381    fn get_allow_global(&self) -> bool {
 382        self.settings
 383            .as_ref()
 384            .and_then(|s| s.allow_global)
 385            .unwrap_or(false)
 386    }
 387
 388    fn get_allow_extended_context(&self) -> bool {
 389        self.settings
 390            .as_ref()
 391            .and_then(|s| s.allow_extended_context)
 392            .unwrap_or(false)
 393    }
 394}
 395
 396pub struct BedrockLanguageModelProvider {
 397    http_client: AwsHttpClient,
 398    handle: tokio::runtime::Handle,
 399    state: Entity<State>,
 400}
 401
 402impl BedrockLanguageModelProvider {
 403    pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
 404        let state = cx.new(|cx| State {
 405            auth: None,
 406            settings: Some(AllLanguageModelSettings::get_global(cx).bedrock.clone()),
 407            credentials_from_env: false,
 408            _subscription: cx.observe_global::<SettingsStore>(|_, cx| {
 409                cx.notify();
 410            }),
 411        });
 412
 413        Self {
 414            http_client: AwsHttpClient::new(http_client),
 415            handle: Tokio::handle(cx),
 416            state,
 417        }
 418    }
 419
 420    fn create_language_model(&self, model: bedrock::Model) -> Arc<dyn LanguageModel> {
 421        Arc::new(BedrockModel {
 422            id: LanguageModelId::from(model.id().to_string()),
 423            model,
 424            http_client: self.http_client.clone(),
 425            handle: self.handle.clone(),
 426            state: self.state.clone(),
 427            client: OnceCell::new(),
 428            request_limiter: RateLimiter::new(4),
 429        })
 430    }
 431}
 432
 433impl LanguageModelProvider for BedrockLanguageModelProvider {
 434    fn id(&self) -> LanguageModelProviderId {
 435        PROVIDER_ID
 436    }
 437
 438    fn name(&self) -> LanguageModelProviderName {
 439        PROVIDER_NAME
 440    }
 441
 442    fn icon(&self) -> IconOrSvg {
 443        IconOrSvg::Icon(IconName::AiBedrock)
 444    }
 445
 446    fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
 447        Some(self.create_language_model(bedrock::Model::default()))
 448    }
 449
 450    fn default_fast_model(&self, cx: &App) -> Option<Arc<dyn LanguageModel>> {
 451        let region = self.state.read(cx).get_region();
 452        Some(self.create_language_model(bedrock::Model::default_fast(region.as_str())))
 453    }
 454
 455    fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
 456        let mut models = BTreeMap::default();
 457
 458        for model in bedrock::Model::iter() {
 459            if !matches!(model, bedrock::Model::Custom { .. }) {
 460                models.insert(model.id().to_string(), model);
 461            }
 462        }
 463
 464        // Override with available models from settings
 465        for model in AllLanguageModelSettings::get_global(cx)
 466            .bedrock
 467            .available_models
 468            .iter()
 469        {
 470            models.insert(
 471                model.name.clone(),
 472                bedrock::Model::Custom {
 473                    name: model.name.clone(),
 474                    display_name: model.display_name.clone(),
 475                    max_tokens: model.max_tokens,
 476                    max_output_tokens: model.max_output_tokens,
 477                    default_temperature: model.default_temperature,
 478                    cache_configuration: model.cache_configuration.as_ref().map(|config| {
 479                        bedrock::BedrockModelCacheConfiguration {
 480                            max_cache_anchors: config.max_cache_anchors,
 481                            min_total_token: config.min_total_token,
 482                        }
 483                    }),
 484                },
 485            );
 486        }
 487
 488        models
 489            .into_values()
 490            .map(|model| self.create_language_model(model))
 491            .collect()
 492    }
 493
 494    fn is_authenticated(&self, cx: &App) -> bool {
 495        self.state.read(cx).is_authenticated()
 496    }
 497
 498    fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
 499        self.state.update(cx, |state, cx| state.authenticate(cx))
 500    }
 501
 502    fn configuration_view(
 503        &self,
 504        _target_agent: language_model::ConfigurationViewTargetAgent,
 505        window: &mut Window,
 506        cx: &mut App,
 507    ) -> AnyView {
 508        cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
 509            .into()
 510    }
 511
 512    fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
 513        self.state.update(cx, |state, cx| state.reset_auth(cx))
 514    }
 515}
 516
 517impl LanguageModelProviderState for BedrockLanguageModelProvider {
 518    type ObservableEntity = State;
 519
 520    fn observable_entity(&self) -> Option<Entity<Self::ObservableEntity>> {
 521        Some(self.state.clone())
 522    }
 523}
 524
 525struct BedrockModel {
 526    id: LanguageModelId,
 527    model: Model,
 528    http_client: AwsHttpClient,
 529    handle: tokio::runtime::Handle,
 530    client: OnceCell<BedrockClient>,
 531    state: Entity<State>,
 532    request_limiter: RateLimiter,
 533}
 534
 535impl BedrockModel {
 536    fn get_or_init_client(&self, cx: &AsyncApp) -> anyhow::Result<&BedrockClient> {
 537        self.client
 538            .get_or_try_init_blocking(|| {
 539                let (auth, endpoint, region) = cx.read_entity(&self.state, |state, _cx| {
 540                    let endpoint = state.settings.as_ref().and_then(|s| s.endpoint.clone());
 541                    let region = state.get_region();
 542                    (state.auth.clone(), endpoint, region)
 543                });
 544
 545                let mut config_builder = aws_config::defaults(BehaviorVersion::latest())
 546                    .stalled_stream_protection(StalledStreamProtectionConfig::disabled())
 547                    .http_client(self.http_client.clone())
 548                    .region(Region::new(region))
 549                    .timeout_config(TimeoutConfig::disabled());
 550
 551                if let Some(endpoint_url) = endpoint
 552                    && !endpoint_url.is_empty()
 553                {
 554                    config_builder = config_builder.endpoint_url(endpoint_url);
 555                }
 556
 557                match auth {
 558                    Some(BedrockAuth::Automatic) | None => {
 559                        // Use default AWS credential provider chain
 560                    }
 561                    Some(BedrockAuth::NamedProfile { profile_name })
 562                    | Some(BedrockAuth::SingleSignOn { profile_name }) => {
 563                        if !profile_name.is_empty() {
 564                            config_builder = config_builder.profile_name(profile_name);
 565                        }
 566                    }
 567                    Some(BedrockAuth::IamCredentials {
 568                        access_key_id,
 569                        secret_access_key,
 570                        session_token,
 571                    }) => {
 572                        let aws_creds = Credentials::new(
 573                            access_key_id,
 574                            secret_access_key,
 575                            session_token,
 576                            None,
 577                            "zed-bedrock-provider",
 578                        );
 579                        config_builder = config_builder.credentials_provider(aws_creds);
 580                    }
 581                    Some(BedrockAuth::ApiKey { api_key }) => {
 582                        config_builder = config_builder
 583                            .auth_scheme_preference(["httpBearerAuth".into()]) // https://github.com/smithy-lang/smithy-rs/pull/4241
 584                            .token_provider(Token::new(api_key, None));
 585                    }
 586                }
 587
 588                let config = self.handle.block_on(config_builder.load());
 589
 590                anyhow::Ok(BedrockClient::new(&config))
 591            })
 592            .context("initializing Bedrock client")?;
 593
 594        self.client.get().context("Bedrock client not initialized")
 595    }
 596
 597    fn stream_completion(
 598        &self,
 599        request: bedrock::Request,
 600        cx: &AsyncApp,
 601    ) -> BoxFuture<
 602        'static,
 603        Result<BoxStream<'static, Result<BedrockStreamingResponse, BedrockError>>>,
 604    > {
 605        let Ok(runtime_client) = self
 606            .get_or_init_client(cx)
 607            .cloned()
 608            .context("Bedrock client not initialized")
 609        else {
 610            return futures::future::ready(Err(anyhow!("App state dropped"))).boxed();
 611        };
 612
 613        let task = Tokio::spawn(cx, bedrock::stream_completion(runtime_client, request));
 614        async move { task.await.map_err(|err| anyhow!(err))? }.boxed()
 615    }
 616}
 617
 618impl LanguageModel for BedrockModel {
 619    fn id(&self) -> LanguageModelId {
 620        self.id.clone()
 621    }
 622
 623    fn name(&self) -> LanguageModelName {
 624        LanguageModelName::from(self.model.display_name().to_string())
 625    }
 626
 627    fn provider_id(&self) -> LanguageModelProviderId {
 628        PROVIDER_ID
 629    }
 630
 631    fn provider_name(&self) -> LanguageModelProviderName {
 632        PROVIDER_NAME
 633    }
 634
 635    fn supports_tools(&self) -> bool {
 636        self.model.supports_tool_use()
 637    }
 638
 639    fn supports_images(&self) -> bool {
 640        self.model.supports_images()
 641    }
 642
 643    fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
 644        match choice {
 645            LanguageModelToolChoice::Auto | LanguageModelToolChoice::Any => {
 646                self.model.supports_tool_use()
 647            }
 648            // Add support for None - we'll filter tool calls at response
 649            LanguageModelToolChoice::None => self.model.supports_tool_use(),
 650        }
 651    }
 652
 653    fn telemetry_id(&self) -> String {
 654        format!("bedrock/{}", self.model.id())
 655    }
 656
 657    fn max_token_count(&self) -> u64 {
 658        self.model.max_token_count()
 659    }
 660
 661    fn max_output_tokens(&self) -> Option<u64> {
 662        Some(self.model.max_output_tokens())
 663    }
 664
 665    fn count_tokens(
 666        &self,
 667        request: LanguageModelRequest,
 668        cx: &App,
 669    ) -> BoxFuture<'static, Result<u64>> {
 670        get_bedrock_tokens(request, cx)
 671    }
 672
 673    fn stream_completion(
 674        &self,
 675        request: LanguageModelRequest,
 676        cx: &AsyncApp,
 677    ) -> BoxFuture<
 678        'static,
 679        Result<
 680            BoxStream<'static, Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
 681            LanguageModelCompletionError,
 682        >,
 683    > {
 684        let (region, allow_global, allow_extended_context) =
 685            cx.read_entity(&self.state, |state, _cx| {
 686                (
 687                    state.get_region(),
 688                    state.get_allow_global(),
 689                    state.get_allow_extended_context(),
 690                )
 691            });
 692
 693        let model_id = match self.model.cross_region_inference_id(&region, allow_global) {
 694            Ok(s) => s,
 695            Err(e) => {
 696                return async move { Err(e.into()) }.boxed();
 697            }
 698        };
 699
 700        let deny_tool_calls = request.tool_choice == Some(LanguageModelToolChoice::None);
 701
 702        let use_extended_context = allow_extended_context && self.model.supports_extended_context();
 703
 704        let request = match into_bedrock(
 705            request,
 706            model_id,
 707            self.model.default_temperature(),
 708            self.model.max_output_tokens(),
 709            self.model.mode(),
 710            self.model.supports_caching(),
 711            use_extended_context,
 712        ) {
 713            Ok(request) => request,
 714            Err(err) => return futures::future::ready(Err(err.into())).boxed(),
 715        };
 716
 717        let request = self.stream_completion(request, cx);
 718        let future = self.request_limiter.stream(async move {
 719            let response = request.await.map_err(|err| anyhow!(err))?;
 720            let events = map_to_language_model_completion_events(response);
 721
 722            if deny_tool_calls {
 723                Ok(deny_tool_use_events(events).boxed())
 724            } else {
 725                Ok(events.boxed())
 726            }
 727        });
 728
 729        async move { Ok(future.await?.boxed()) }.boxed()
 730    }
 731
 732    fn cache_configuration(&self) -> Option<LanguageModelCacheConfiguration> {
 733        self.model
 734            .cache_configuration()
 735            .map(|config| LanguageModelCacheConfiguration {
 736                max_cache_anchors: config.max_cache_anchors,
 737                should_speculate: false,
 738                min_total_token: config.min_total_token,
 739            })
 740    }
 741}
 742
 743fn deny_tool_use_events(
 744    events: impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>,
 745) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
 746    events.map(|event| {
 747        match event {
 748            Ok(LanguageModelCompletionEvent::ToolUse(tool_use)) => {
 749                // Convert tool use to an error message if model decided to call it
 750                Ok(LanguageModelCompletionEvent::Text(format!(
 751                    "\n\n[Error: Tool calls are disabled in this context. Attempted to call '{}']",
 752                    tool_use.name
 753                )))
 754            }
 755            other => other,
 756        }
 757    })
 758}
 759
 760pub fn into_bedrock(
 761    request: LanguageModelRequest,
 762    model: String,
 763    default_temperature: f32,
 764    max_output_tokens: u64,
 765    mode: BedrockModelMode,
 766    supports_caching: bool,
 767    allow_extended_context: bool,
 768) -> Result<bedrock::Request> {
 769    let mut new_messages: Vec<BedrockMessage> = Vec::new();
 770    let mut system_message = String::new();
 771
 772    for message in request.messages {
 773        if message.contents_empty() {
 774            continue;
 775        }
 776
 777        match message.role {
 778            Role::User | Role::Assistant => {
 779                let mut bedrock_message_content: Vec<BedrockInnerContent> = message
 780                    .content
 781                    .into_iter()
 782                    .filter_map(|content| match content {
 783                        MessageContent::Text(text) => {
 784                            if !text.is_empty() {
 785                                Some(BedrockInnerContent::Text(text))
 786                            } else {
 787                                None
 788                            }
 789                        }
 790                        MessageContent::Thinking { text, signature } => {
 791                            if model.contains(Model::DeepSeekR1.request_id()) {
 792                                // DeepSeekR1 doesn't support thinking blocks
 793                                // And the AWS API demands that you strip them
 794                                return None;
 795                            }
 796                            if signature.is_none() {
 797                                // Thinking blocks without a signature are invalid
 798                                // (e.g. from cancellation mid-think) and must be
 799                                // stripped to avoid API errors.
 800                                return None;
 801                            }
 802                            let thinking = BedrockThinkingTextBlock::builder()
 803                                .text(text)
 804                                .set_signature(signature)
 805                                .build()
 806                                .context("failed to build reasoning block")
 807                                .log_err()?;
 808
 809                            Some(BedrockInnerContent::ReasoningContent(
 810                                BedrockThinkingBlock::ReasoningText(thinking),
 811                            ))
 812                        }
 813                        MessageContent::RedactedThinking(blob) => {
 814                            if model.contains(Model::DeepSeekR1.request_id()) {
 815                                // DeepSeekR1 doesn't support thinking blocks
 816                                // And the AWS API demands that you strip them
 817                                return None;
 818                            }
 819                            let redacted =
 820                                BedrockThinkingBlock::RedactedContent(BedrockBlob::new(blob));
 821
 822                            Some(BedrockInnerContent::ReasoningContent(redacted))
 823                        }
 824                        MessageContent::ToolUse(tool_use) => {
 825                            let input = if tool_use.input.is_null() {
 826                                // Bedrock API requires valid JsonValue, not null, for tool use input
 827                                value_to_aws_document(&serde_json::json!({}))
 828                            } else {
 829                                value_to_aws_document(&tool_use.input)
 830                            };
 831                            BedrockToolUseBlock::builder()
 832                                .name(tool_use.name.to_string())
 833                                .tool_use_id(tool_use.id.to_string())
 834                                .input(input)
 835                                .build()
 836                                .context("failed to build Bedrock tool use block")
 837                                .log_err()
 838                                .map(BedrockInnerContent::ToolUse)
 839                        }
 840                        MessageContent::ToolResult(tool_result) => {
 841                            BedrockToolResultBlock::builder()
 842                                .tool_use_id(tool_result.tool_use_id.to_string())
 843                                .content(match tool_result.content {
 844                                    LanguageModelToolResultContent::Text(text) => {
 845                                        BedrockToolResultContentBlock::Text(text.to_string())
 846                                    }
 847                                    LanguageModelToolResultContent::Image(image) => {
 848                                        use base64::Engine;
 849
 850                                        match base64::engine::general_purpose::STANDARD
 851                                            .decode(image.source.as_bytes())
 852                                        {
 853                                            Ok(image_bytes) => {
 854                                                match BedrockImageBlock::builder()
 855                                                    .format(BedrockImageFormat::Png)
 856                                                    .source(BedrockImageSource::Bytes(
 857                                                        BedrockBlob::new(image_bytes),
 858                                                    ))
 859                                                    .build()
 860                                                {
 861                                                    Ok(image_block) => {
 862                                                        BedrockToolResultContentBlock::Image(
 863                                                            image_block,
 864                                                        )
 865                                                    }
 866                                                    Err(err) => {
 867                                                        BedrockToolResultContentBlock::Text(
 868                                                            format!(
 869                                                                "[Failed to build image block: {}]",
 870                                                                err
 871                                                            ),
 872                                                        )
 873                                                    }
 874                                                }
 875                                            }
 876                                            Err(err) => {
 877                                                BedrockToolResultContentBlock::Text(format!(
 878                                                    "[Failed to decode tool result image: {}]",
 879                                                    err
 880                                                ))
 881                                            }
 882                                        }
 883                                    }
 884                                })
 885                                .status({
 886                                    if tool_result.is_error {
 887                                        BedrockToolResultStatus::Error
 888                                    } else {
 889                                        BedrockToolResultStatus::Success
 890                                    }
 891                                })
 892                                .build()
 893                                .context("failed to build Bedrock tool result block")
 894                                .log_err()
 895                                .map(BedrockInnerContent::ToolResult)
 896                        }
 897                        MessageContent::Image(image) => {
 898                            use base64::Engine;
 899
 900                            let image_bytes = base64::engine::general_purpose::STANDARD
 901                                .decode(image.source.as_bytes())
 902                                .context("failed to decode base64 image data")
 903                                .log_err()?;
 904
 905                            BedrockImageBlock::builder()
 906                                .format(BedrockImageFormat::Png)
 907                                .source(BedrockImageSource::Bytes(BedrockBlob::new(image_bytes)))
 908                                .build()
 909                                .context("failed to build Bedrock image block")
 910                                .log_err()
 911                                .map(BedrockInnerContent::Image)
 912                        }
 913                    })
 914                    .collect();
 915                if message.cache && supports_caching {
 916                    bedrock_message_content.push(BedrockInnerContent::CachePoint(
 917                        CachePointBlock::builder()
 918                            .r#type(CachePointType::Default)
 919                            .build()
 920                            .context("failed to build cache point block")?,
 921                    ));
 922                }
 923                let bedrock_role = match message.role {
 924                    Role::User => bedrock::BedrockRole::User,
 925                    Role::Assistant => bedrock::BedrockRole::Assistant,
 926                    Role::System => unreachable!("System role should never occur here"),
 927                };
 928                if bedrock_message_content.is_empty() {
 929                    continue;
 930                }
 931
 932                if let Some(last_message) = new_messages.last_mut()
 933                    && last_message.role == bedrock_role
 934                {
 935                    last_message.content.extend(bedrock_message_content);
 936                    continue;
 937                }
 938                new_messages.push(
 939                    BedrockMessage::builder()
 940                        .role(bedrock_role)
 941                        .set_content(Some(bedrock_message_content))
 942                        .build()
 943                        .context("failed to build Bedrock message")?,
 944                );
 945            }
 946            Role::System => {
 947                if !system_message.is_empty() {
 948                    system_message.push_str("\n\n");
 949                }
 950                system_message.push_str(&message.string_contents());
 951            }
 952        }
 953    }
 954
 955    let mut tool_spec: Vec<BedrockTool> = request
 956        .tools
 957        .iter()
 958        .filter_map(|tool| {
 959            Some(BedrockTool::ToolSpec(
 960                BedrockToolSpec::builder()
 961                    .name(tool.name.clone())
 962                    .description(tool.description.clone())
 963                    .input_schema(BedrockToolInputSchema::Json(value_to_aws_document(
 964                        &tool.input_schema,
 965                    )))
 966                    .build()
 967                    .log_err()?,
 968            ))
 969        })
 970        .collect();
 971
 972    if !tool_spec.is_empty() && supports_caching {
 973        tool_spec.push(BedrockTool::CachePoint(
 974            CachePointBlock::builder()
 975                .r#type(CachePointType::Default)
 976                .build()
 977                .context("failed to build cache point block")?,
 978        ));
 979    }
 980
 981    let tool_choice = match request.tool_choice {
 982        Some(LanguageModelToolChoice::Auto) | None => {
 983            BedrockToolChoice::Auto(BedrockAutoToolChoice::builder().build())
 984        }
 985        Some(LanguageModelToolChoice::Any) => {
 986            BedrockToolChoice::Any(BedrockAnyToolChoice::builder().build())
 987        }
 988        Some(LanguageModelToolChoice::None) => {
 989            // For None, we still use Auto but will filter out tool calls in the response
 990            BedrockToolChoice::Auto(BedrockAutoToolChoice::builder().build())
 991        }
 992    };
 993    let tool_config: BedrockToolConfig = BedrockToolConfig::builder()
 994        .set_tools(Some(tool_spec))
 995        .tool_choice(tool_choice)
 996        .build()?;
 997
 998    Ok(bedrock::Request {
 999        model,
1000        messages: new_messages,
1001        max_tokens: max_output_tokens,
1002        system: Some(system_message),
1003        tools: Some(tool_config),
1004        thinking: if request.thinking_allowed {
1005            match mode {
1006                BedrockModelMode::Thinking { budget_tokens } => {
1007                    Some(bedrock::Thinking::Enabled { budget_tokens })
1008                }
1009                BedrockModelMode::AdaptiveThinking { effort } => {
1010                    Some(bedrock::Thinking::Adaptive { effort })
1011                }
1012                BedrockModelMode::Default => None,
1013            }
1014        } else {
1015            None
1016        },
1017        metadata: None,
1018        stop_sequences: Vec::new(),
1019        temperature: request.temperature.or(Some(default_temperature)),
1020        top_k: None,
1021        top_p: None,
1022        allow_extended_context,
1023    })
1024}
1025
1026// TODO: just call the ConverseOutput.usage() method:
1027// https://docs.rs/aws-sdk-bedrockruntime/latest/aws_sdk_bedrockruntime/operation/converse/struct.ConverseOutput.html#method.output
1028pub fn get_bedrock_tokens(
1029    request: LanguageModelRequest,
1030    cx: &App,
1031) -> BoxFuture<'static, Result<u64>> {
1032    cx.background_executor()
1033        .spawn(async move {
1034            let messages = request.messages;
1035            let mut tokens_from_images = 0;
1036            let mut string_messages = Vec::with_capacity(messages.len());
1037
1038            for message in messages {
1039                use language_model::MessageContent;
1040
1041                let mut string_contents = String::new();
1042
1043                for content in message.content {
1044                    match content {
1045                        MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
1046                            string_contents.push_str(&text);
1047                        }
1048                        MessageContent::RedactedThinking(_) => {}
1049                        MessageContent::Image(image) => {
1050                            tokens_from_images += image.estimate_tokens();
1051                        }
1052                        MessageContent::ToolUse(_tool_use) => {
1053                            // TODO: Estimate token usage from tool uses.
1054                        }
1055                        MessageContent::ToolResult(tool_result) => match tool_result.content {
1056                            LanguageModelToolResultContent::Text(text) => {
1057                                string_contents.push_str(&text);
1058                            }
1059                            LanguageModelToolResultContent::Image(image) => {
1060                                tokens_from_images += image.estimate_tokens();
1061                            }
1062                        },
1063                    }
1064                }
1065
1066                if !string_contents.is_empty() {
1067                    string_messages.push(tiktoken_rs::ChatCompletionRequestMessage {
1068                        role: match message.role {
1069                            Role::User => "user".into(),
1070                            Role::Assistant => "assistant".into(),
1071                            Role::System => "system".into(),
1072                        },
1073                        content: Some(string_contents),
1074                        name: None,
1075                        function_call: None,
1076                    });
1077                }
1078            }
1079
1080            // Tiktoken doesn't yet support these models, so we manually use the
1081            // same tokenizer as GPT-4.
1082            tiktoken_rs::num_tokens_from_messages("gpt-4", &string_messages)
1083                .map(|tokens| (tokens + tokens_from_images) as u64)
1084        })
1085        .boxed()
1086}
1087
1088pub fn map_to_language_model_completion_events(
1089    events: Pin<Box<dyn Send + Stream<Item = Result<BedrockStreamingResponse, BedrockError>>>>,
1090) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
1091    struct RawToolUse {
1092        id: String,
1093        name: String,
1094        input_json: String,
1095    }
1096
1097    struct State {
1098        events: Pin<Box<dyn Send + Stream<Item = Result<BedrockStreamingResponse, BedrockError>>>>,
1099        tool_uses_by_index: HashMap<i32, RawToolUse>,
1100    }
1101
1102    let initial_state = State {
1103        events,
1104        tool_uses_by_index: HashMap::default(),
1105    };
1106
1107    futures::stream::unfold(initial_state, |mut state| async move {
1108        match state.events.next().await {
1109            Some(event_result) => match event_result {
1110                Ok(event) => {
1111                    let result = match event {
1112                        ConverseStreamOutput::ContentBlockDelta(cb_delta) => match cb_delta.delta {
1113                            Some(ContentBlockDelta::Text(text)) => {
1114                                Some(Ok(LanguageModelCompletionEvent::Text(text)))
1115                            }
1116                            Some(ContentBlockDelta::ToolUse(tool_output)) => {
1117                                if let Some(tool_use) = state
1118                                    .tool_uses_by_index
1119                                    .get_mut(&cb_delta.content_block_index)
1120                                {
1121                                    tool_use.input_json.push_str(tool_output.input());
1122                                }
1123                                None
1124                            }
1125                            Some(ContentBlockDelta::ReasoningContent(thinking)) => match thinking {
1126                                ReasoningContentBlockDelta::Text(thoughts) => {
1127                                    Some(Ok(LanguageModelCompletionEvent::Thinking {
1128                                        text: thoughts,
1129                                        signature: None,
1130                                    }))
1131                                }
1132                                ReasoningContentBlockDelta::Signature(sig) => {
1133                                    Some(Ok(LanguageModelCompletionEvent::Thinking {
1134                                        text: "".into(),
1135                                        signature: Some(sig),
1136                                    }))
1137                                }
1138                                ReasoningContentBlockDelta::RedactedContent(redacted) => {
1139                                    let content = String::from_utf8(redacted.into_inner())
1140                                        .unwrap_or("REDACTED".to_string());
1141                                    Some(Ok(LanguageModelCompletionEvent::Thinking {
1142                                        text: content,
1143                                        signature: None,
1144                                    }))
1145                                }
1146                                _ => None,
1147                            },
1148                            _ => None,
1149                        },
1150                        ConverseStreamOutput::ContentBlockStart(cb_start) => {
1151                            if let Some(ContentBlockStart::ToolUse(tool_start)) = cb_start.start {
1152                                state.tool_uses_by_index.insert(
1153                                    cb_start.content_block_index,
1154                                    RawToolUse {
1155                                        id: tool_start.tool_use_id,
1156                                        name: tool_start.name,
1157                                        input_json: String::new(),
1158                                    },
1159                                );
1160                            }
1161                            None
1162                        }
1163                        ConverseStreamOutput::ContentBlockStop(cb_stop) => state
1164                            .tool_uses_by_index
1165                            .remove(&cb_stop.content_block_index)
1166                            .map(|tool_use| {
1167                                let input = parse_tool_arguments(&tool_use.input_json)
1168                                    .unwrap_or_else(|_| Value::Object(Default::default()));
1169
1170                                Ok(LanguageModelCompletionEvent::ToolUse(
1171                                    LanguageModelToolUse {
1172                                        id: tool_use.id.into(),
1173                                        name: tool_use.name.into(),
1174                                        is_input_complete: true,
1175                                        raw_input: tool_use.input_json,
1176                                        input,
1177                                        thought_signature: None,
1178                                    },
1179                                ))
1180                            }),
1181                        ConverseStreamOutput::Metadata(cb_meta) => cb_meta.usage.map(|metadata| {
1182                            Ok(LanguageModelCompletionEvent::UsageUpdate(TokenUsage {
1183                                input_tokens: metadata.input_tokens as u64,
1184                                output_tokens: metadata.output_tokens as u64,
1185                                cache_creation_input_tokens: metadata
1186                                    .cache_write_input_tokens
1187                                    .unwrap_or_default()
1188                                    as u64,
1189                                cache_read_input_tokens: metadata
1190                                    .cache_read_input_tokens
1191                                    .unwrap_or_default()
1192                                    as u64,
1193                            }))
1194                        }),
1195                        ConverseStreamOutput::MessageStop(message_stop) => {
1196                            let stop_reason = match message_stop.stop_reason {
1197                                StopReason::ToolUse => language_model::StopReason::ToolUse,
1198                                _ => language_model::StopReason::EndTurn,
1199                            };
1200                            Some(Ok(LanguageModelCompletionEvent::Stop(stop_reason)))
1201                        }
1202                        _ => None,
1203                    };
1204
1205                    Some((result, state))
1206                }
1207                Err(err) => Some((
1208                    Some(Err(LanguageModelCompletionError::Other(anyhow!(err)))),
1209                    state,
1210                )),
1211            },
1212            None => None,
1213        }
1214    })
1215    .filter_map(|result| async move { result })
1216}
1217
1218struct ConfigurationView {
1219    access_key_id_editor: Entity<InputField>,
1220    secret_access_key_editor: Entity<InputField>,
1221    session_token_editor: Entity<InputField>,
1222    bearer_token_editor: Entity<InputField>,
1223    state: Entity<State>,
1224    load_credentials_task: Option<Task<()>>,
1225    focus_handle: FocusHandle,
1226}
1227
1228impl ConfigurationView {
1229    const PLACEHOLDER_ACCESS_KEY_ID_TEXT: &'static str = "XXXXXXXXXXXXXXXX";
1230    const PLACEHOLDER_SECRET_ACCESS_KEY_TEXT: &'static str =
1231        "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1232    const PLACEHOLDER_SESSION_TOKEN_TEXT: &'static str = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1233    const PLACEHOLDER_BEARER_TOKEN_TEXT: &'static str = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
1234
1235    fn new(state: Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
1236        let focus_handle = cx.focus_handle();
1237
1238        cx.observe(&state, |_, _, cx| {
1239            cx.notify();
1240        })
1241        .detach();
1242
1243        let access_key_id_editor = cx.new(|cx| {
1244            InputField::new(window, cx, Self::PLACEHOLDER_ACCESS_KEY_ID_TEXT)
1245                .label("Access Key ID")
1246                .tab_index(0)
1247                .tab_stop(true)
1248        });
1249
1250        let secret_access_key_editor = cx.new(|cx| {
1251            InputField::new(window, cx, Self::PLACEHOLDER_SECRET_ACCESS_KEY_TEXT)
1252                .label("Secret Access Key")
1253                .tab_index(1)
1254                .tab_stop(true)
1255        });
1256
1257        let session_token_editor = cx.new(|cx| {
1258            InputField::new(window, cx, Self::PLACEHOLDER_SESSION_TOKEN_TEXT)
1259                .label("Session Token (Optional)")
1260                .tab_index(2)
1261                .tab_stop(true)
1262        });
1263
1264        let bearer_token_editor = cx.new(|cx| {
1265            InputField::new(window, cx, Self::PLACEHOLDER_BEARER_TOKEN_TEXT)
1266                .label("Bedrock API Key")
1267                .tab_index(3)
1268                .tab_stop(true)
1269        });
1270
1271        let load_credentials_task = Some(cx.spawn({
1272            let state = state.clone();
1273            async move |this, cx| {
1274                if let Some(task) = Some(state.update(cx, |state, cx| state.authenticate(cx))) {
1275                    // We don't log an error, because "not signed in" is also an error.
1276                    let _ = task.await;
1277                }
1278                this.update(cx, |this, cx| {
1279                    this.load_credentials_task = None;
1280                    cx.notify();
1281                })
1282                .log_err();
1283            }
1284        }));
1285
1286        Self {
1287            access_key_id_editor,
1288            secret_access_key_editor,
1289            session_token_editor,
1290            bearer_token_editor,
1291            state,
1292            load_credentials_task,
1293            focus_handle,
1294        }
1295    }
1296
1297    fn save_credentials(
1298        &mut self,
1299        _: &menu::Confirm,
1300        _window: &mut Window,
1301        cx: &mut Context<Self>,
1302    ) {
1303        let access_key_id = self
1304            .access_key_id_editor
1305            .read(cx)
1306            .text(cx)
1307            .trim()
1308            .to_string();
1309        let secret_access_key = self
1310            .secret_access_key_editor
1311            .read(cx)
1312            .text(cx)
1313            .trim()
1314            .to_string();
1315        let session_token = self
1316            .session_token_editor
1317            .read(cx)
1318            .text(cx)
1319            .trim()
1320            .to_string();
1321        let session_token = if session_token.is_empty() {
1322            None
1323        } else {
1324            Some(session_token)
1325        };
1326        let bearer_token = self
1327            .bearer_token_editor
1328            .read(cx)
1329            .text(cx)
1330            .trim()
1331            .to_string();
1332        let bearer_token = if bearer_token.is_empty() {
1333            None
1334        } else {
1335            Some(bearer_token)
1336        };
1337
1338        let state = self.state.clone();
1339        cx.spawn(async move |_, cx| {
1340            state
1341                .update(cx, |state, cx| {
1342                    let credentials = BedrockCredentials {
1343                        access_key_id,
1344                        secret_access_key,
1345                        session_token,
1346                        bearer_token,
1347                    };
1348
1349                    state.set_static_credentials(credentials, cx)
1350                })
1351                .await
1352        })
1353        .detach_and_log_err(cx);
1354    }
1355
1356    fn reset_credentials(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1357        self.access_key_id_editor
1358            .update(cx, |editor, cx| editor.set_text("", window, cx));
1359        self.secret_access_key_editor
1360            .update(cx, |editor, cx| editor.set_text("", window, cx));
1361        self.session_token_editor
1362            .update(cx, |editor, cx| editor.set_text("", window, cx));
1363        self.bearer_token_editor
1364            .update(cx, |editor, cx| editor.set_text("", window, cx));
1365
1366        let state = self.state.clone();
1367        cx.spawn(async move |_, cx| state.update(cx, |state, cx| state.reset_auth(cx)).await)
1368            .detach_and_log_err(cx);
1369    }
1370
1371    fn should_render_editor(&self, cx: &Context<Self>) -> bool {
1372        self.state.read(cx).is_authenticated()
1373    }
1374
1375    fn on_tab(&mut self, _: &menu::SelectNext, window: &mut Window, cx: &mut Context<Self>) {
1376        window.focus_next(cx);
1377    }
1378
1379    fn on_tab_prev(
1380        &mut self,
1381        _: &menu::SelectPrevious,
1382        window: &mut Window,
1383        cx: &mut Context<Self>,
1384    ) {
1385        window.focus_prev(cx);
1386    }
1387}
1388
1389impl Render for ConfigurationView {
1390    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1391        let state = self.state.read(cx);
1392        let env_var_set = state.credentials_from_env;
1393        let auth = state.auth.clone();
1394        let settings_auth_method = state
1395            .settings
1396            .as_ref()
1397            .and_then(|s| s.authentication_method.clone());
1398
1399        if self.load_credentials_task.is_some() {
1400            return div().child(Label::new("Loading credentials...")).into_any();
1401        }
1402
1403        let configured_label = match &auth {
1404            Some(BedrockAuth::Automatic) => {
1405                "Using automatic credentials (AWS default chain)".into()
1406            }
1407            Some(BedrockAuth::NamedProfile { profile_name }) => {
1408                format!("Using AWS profile: {profile_name}")
1409            }
1410            Some(BedrockAuth::SingleSignOn { profile_name }) => {
1411                format!("Using AWS SSO profile: {profile_name}")
1412            }
1413            Some(BedrockAuth::IamCredentials { .. }) if env_var_set => {
1414                format!(
1415                    "Using IAM credentials from {} and {} environment variables",
1416                    ZED_BEDROCK_ACCESS_KEY_ID_VAR.name, ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.name
1417                )
1418            }
1419            Some(BedrockAuth::IamCredentials { .. }) => "Using IAM credentials".into(),
1420            Some(BedrockAuth::ApiKey { .. }) if env_var_set => {
1421                format!(
1422                    "Using Bedrock API Key from {} environment variable",
1423                    ZED_BEDROCK_BEARER_TOKEN_VAR.name
1424                )
1425            }
1426            Some(BedrockAuth::ApiKey { .. }) => "Using Bedrock API Key".into(),
1427            None => "Not authenticated".into(),
1428        };
1429
1430        // Determine if credentials can be reset
1431        // Settings-derived auth (non-ApiKey) cannot be reset from UI
1432        let is_settings_derived = matches!(
1433            settings_auth_method,
1434            Some(BedrockAuthMethod::Automatic)
1435                | Some(BedrockAuthMethod::NamedProfile)
1436                | Some(BedrockAuthMethod::SingleSignOn)
1437        );
1438
1439        let tooltip_label = if env_var_set {
1440            Some(format!(
1441                "To reset your credentials, unset the {}, {}, and {} or {} environment variables.",
1442                ZED_BEDROCK_ACCESS_KEY_ID_VAR.name,
1443                ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.name,
1444                ZED_BEDROCK_SESSION_TOKEN_VAR.name,
1445                ZED_BEDROCK_BEARER_TOKEN_VAR.name
1446            ))
1447        } else if is_settings_derived {
1448            Some(
1449                "Authentication method is configured in settings. Edit settings.json to change."
1450                    .to_string(),
1451            )
1452        } else {
1453            None
1454        };
1455
1456        if self.should_render_editor(cx) {
1457            return ConfiguredApiCard::new(configured_label)
1458                .disabled(env_var_set || is_settings_derived)
1459                .on_click(cx.listener(|this, _, window, cx| this.reset_credentials(window, cx)))
1460                .when_some(tooltip_label, |this, label| this.tooltip_label(label))
1461                .into_any_element();
1462        }
1463
1464        v_flex()
1465            .size_full()
1466            .track_focus(&self.focus_handle)
1467            .on_action(cx.listener(Self::on_tab))
1468            .on_action(cx.listener(Self::on_tab_prev))
1469            .on_action(cx.listener(ConfigurationView::save_credentials))
1470            .child(Label::new("To use Zed's agent with Bedrock, you can set a custom authentication strategy through your settings file or use static credentials."))
1471            .child(Label::new("But first, to access models on AWS, you need to:").mt_1())
1472            .child(
1473                List::new()
1474                    .child(
1475                        ListBulletItem::new("")
1476                            .child(Label::new(
1477                                "Grant permissions to the strategy you'll use according to the:",
1478                            ))
1479                            .child(ButtonLink::new(
1480                                "Prerequisites",
1481                                "https://docs.aws.amazon.com/bedrock/latest/userguide/inference-prereq.html",
1482                            )),
1483                    )
1484                    .child(
1485                        ListBulletItem::new("")
1486                            .child(Label::new("Select the models you would like access to:"))
1487                            .child(ButtonLink::new(
1488                                "Bedrock Model Catalog",
1489                                "https://us-east-1.console.aws.amazon.com/bedrock/home?region=us-east-1#/model-catalog",
1490                            )),
1491                    ),
1492            )
1493            .child(self.render_static_credentials_ui())
1494            .into_any()
1495    }
1496}
1497
1498impl ConfigurationView {
1499    fn render_static_credentials_ui(&self) -> impl IntoElement {
1500        let section_header = |title: SharedString| {
1501            h_flex()
1502                .gap_2()
1503                .child(Label::new(title).size(LabelSize::Default))
1504                .child(Divider::horizontal())
1505        };
1506
1507        let list_item = List::new()
1508            .child(
1509                ListBulletItem::new("")
1510                    .child(Label::new(
1511                        "For access keys: Create an IAM user in the AWS console with programmatic access",
1512                    ))
1513                    .child(ButtonLink::new(
1514                        "IAM Console",
1515                        "https://us-east-1.console.aws.amazon.com/iam/home?region=us-east-1#/users",
1516                    )),
1517            )
1518            .child(
1519                ListBulletItem::new("")
1520                    .child(Label::new("For Bedrock API Keys: Generate an API key from the"))
1521                    .child(ButtonLink::new(
1522                        "Bedrock Console",
1523                        "https://docs.aws.amazon.com/bedrock/latest/userguide/api-keys-use.html",
1524                    )),
1525            )
1526            .child(
1527                ListBulletItem::new("")
1528                    .child(Label::new("Attach the necessary Bedrock permissions to"))
1529                    .child(ButtonLink::new(
1530                        "this user",
1531                        "https://docs.aws.amazon.com/bedrock/latest/userguide/inference-prereq.html",
1532                    )),
1533            )
1534            .child(ListBulletItem::new(
1535                "Enter either access keys OR a Bedrock API Key below (not both)",
1536            ));
1537
1538        v_flex()
1539            .my_2()
1540            .tab_group()
1541            .gap_1p5()
1542            .child(section_header("Static Credentials".into()))
1543            .child(Label::new(
1544                "This method uses your AWS access key ID and secret access key, or a Bedrock API Key.",
1545            ))
1546            .child(list_item)
1547            .child(self.access_key_id_editor.clone())
1548            .child(self.secret_access_key_editor.clone())
1549            .child(self.session_token_editor.clone())
1550            .child(
1551                Label::new(format!(
1552                    "You can also set the {}, {} and {} environment variables (or {} for Bedrock API Key authentication) and restart Zed.",
1553                    ZED_BEDROCK_ACCESS_KEY_ID_VAR.name,
1554                    ZED_BEDROCK_SECRET_ACCESS_KEY_VAR.name,
1555                    ZED_BEDROCK_REGION_VAR.name,
1556                    ZED_BEDROCK_BEARER_TOKEN_VAR.name
1557                ))
1558                .size(LabelSize::Small)
1559                .color(Color::Muted),
1560            )
1561            .child(
1562                Label::new(format!(
1563                    "Optionally, if your environment uses AWS CLI profiles, you can set {}; if it requires a custom endpoint, you can set {}; and if it requires a Session Token, you can set {}.",
1564                    ZED_AWS_PROFILE_VAR.name,
1565                    ZED_AWS_ENDPOINT_VAR.name,
1566                    ZED_BEDROCK_SESSION_TOKEN_VAR.name
1567                ))
1568                .size(LabelSize::Small)
1569                .color(Color::Muted)
1570                .mt_1()
1571                .mb_2p5(),
1572            )
1573            .child(section_header("Using the an API key".into()))
1574            .child(self.bearer_token_editor.clone())
1575            .child(
1576                Label::new(format!(
1577                    "Region is configured via {} environment variable or settings.json (defaults to us-east-1).",
1578                    ZED_BEDROCK_REGION_VAR.name
1579                ))
1580                .size(LabelSize::Small)
1581                .color(Color::Muted)
1582            )
1583    }
1584}