mirror of https://github.com/coder/coder.git
608 lines
20 KiB
Go
608 lines
20 KiB
Go
package coderd
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import (
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"crypto/tls"
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"crypto/x509"
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"io"
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"net/http"
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"net/url"
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"path/filepath"
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"regexp"
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"sync"
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"sync/atomic"
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"time"
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"github.com/andybalholm/brotli"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/klauspost/compress/zstd"
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"github.com/prometheus/client_golang/prometheus"
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"go.opentelemetry.io/otel/trace"
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"golang.org/x/xerrors"
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"google.golang.org/api/idtoken"
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"tailscale.com/derp"
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"tailscale.com/derp/derphttp"
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"tailscale.com/tailcfg"
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"tailscale.com/types/key"
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"cdr.dev/slog"
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"github.com/coder/coder/buildinfo"
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"github.com/coder/coder/coderd/audit"
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"github.com/coder/coder/coderd/awsidentity"
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"github.com/coder/coder/coderd/database"
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"github.com/coder/coder/coderd/gitsshkey"
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"github.com/coder/coder/coderd/httpapi"
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"github.com/coder/coder/coderd/httpmw"
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"github.com/coder/coder/coderd/metricscache"
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"github.com/coder/coder/coderd/rbac"
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"github.com/coder/coder/coderd/telemetry"
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"github.com/coder/coder/coderd/tracing"
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"github.com/coder/coder/coderd/workspacequota"
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"github.com/coder/coder/coderd/wsconncache"
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"github.com/coder/coder/codersdk"
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"github.com/coder/coder/site"
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"github.com/coder/coder/tailnet"
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)
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// Options are requires parameters for Coder to start.
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type Options struct {
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AccessURL *url.URL
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// AppHostname should be the wildcard hostname to use for workspace
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// applications INCLUDING the asterisk, (optional) suffix and leading dot.
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// E.g. "*.apps.coder.com" or "*-apps.coder.com".
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AppHostname string
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// AppHostnameRegex contains the regex version of options.AppHostname as
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// generated by httpapi.CompileHostnamePattern(). It MUST be set if
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// options.AppHostname is set.
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AppHostnameRegex *regexp.Regexp
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Logger slog.Logger
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Database database.Store
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Pubsub database.Pubsub
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// CacheDir is used for caching files served by the API.
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CacheDir string
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Auditor audit.Auditor
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WorkspaceQuotaEnforcer workspacequota.Enforcer
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AgentConnectionUpdateFrequency time.Duration
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AgentInactiveDisconnectTimeout time.Duration
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// APIRateLimit is the minutely throughput rate limit per user or ip.
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// Setting a rate limit <0 will disable the rate limiter across the entire
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// app. Specific routes may have their own limiters.
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APIRateLimit int
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AWSCertificates awsidentity.Certificates
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Authorizer rbac.Authorizer
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AzureCertificates x509.VerifyOptions
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GoogleTokenValidator *idtoken.Validator
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GithubOAuth2Config *GithubOAuth2Config
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OIDCConfig *OIDCConfig
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PrometheusRegistry *prometheus.Registry
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SecureAuthCookie bool
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SSHKeygenAlgorithm gitsshkey.Algorithm
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Telemetry telemetry.Reporter
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TracerProvider trace.TracerProvider
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AutoImportTemplates []AutoImportTemplate
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// TLSCertificates is used to mesh DERP servers securely.
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TLSCertificates []tls.Certificate
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TailnetCoordinator tailnet.Coordinator
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DERPServer *derp.Server
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DERPMap *tailcfg.DERPMap
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MetricsCacheRefreshInterval time.Duration
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AgentStatsRefreshInterval time.Duration
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Experimental bool
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DeploymentFlags *codersdk.DeploymentFlags
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}
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// New constructs a Coder API handler.
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func New(options *Options) *API {
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if options == nil {
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options = &Options{}
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}
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if options.AppHostname != "" && options.AppHostnameRegex == nil || options.AppHostname == "" && options.AppHostnameRegex != nil {
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panic("coderd: both AppHostname and AppHostnameRegex must be set or unset")
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}
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if options.AgentConnectionUpdateFrequency == 0 {
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options.AgentConnectionUpdateFrequency = 3 * time.Second
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}
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if options.AgentInactiveDisconnectTimeout == 0 {
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// Multiply the update by two to allow for some lag-time.
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options.AgentInactiveDisconnectTimeout = options.AgentConnectionUpdateFrequency * 2
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}
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if options.AgentStatsRefreshInterval == 0 {
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options.AgentStatsRefreshInterval = 10 * time.Minute
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}
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if options.MetricsCacheRefreshInterval == 0 {
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options.MetricsCacheRefreshInterval = time.Hour
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}
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if options.APIRateLimit == 0 {
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options.APIRateLimit = 512
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}
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if options.AgentStatsRefreshInterval == 0 {
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options.AgentStatsRefreshInterval = 10 * time.Minute
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}
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if options.MetricsCacheRefreshInterval == 0 {
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options.MetricsCacheRefreshInterval = time.Hour
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}
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if options.Authorizer == nil {
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options.Authorizer = rbac.NewAuthorizer()
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}
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if options.PrometheusRegistry == nil {
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options.PrometheusRegistry = prometheus.NewRegistry()
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}
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if options.TailnetCoordinator == nil {
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options.TailnetCoordinator = tailnet.NewCoordinator()
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}
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if options.DERPServer == nil {
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options.DERPServer = derp.NewServer(key.NewNode(), tailnet.Logger(options.Logger.Named("derp")))
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}
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if options.Auditor == nil {
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options.Auditor = audit.NewNop()
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}
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if options.WorkspaceQuotaEnforcer == nil {
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options.WorkspaceQuotaEnforcer = workspacequota.NewNop()
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}
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siteCacheDir := options.CacheDir
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if siteCacheDir != "" {
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siteCacheDir = filepath.Join(siteCacheDir, "site")
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}
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binFS, err := site.ExtractOrReadBinFS(siteCacheDir, site.FS())
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if err != nil {
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panic(xerrors.Errorf("read site bin failed: %w", err))
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}
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metricsCache := metricscache.New(
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options.Database,
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options.Logger.Named("metrics_cache"),
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options.MetricsCacheRefreshInterval,
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)
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r := chi.NewRouter()
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api := &API{
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Options: options,
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RootHandler: r,
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siteHandler: site.Handler(site.FS(), binFS),
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HTTPAuth: &HTTPAuthorizer{
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Authorizer: options.Authorizer,
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Logger: options.Logger,
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},
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metricsCache: metricsCache,
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Auditor: atomic.Pointer[audit.Auditor]{},
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WorkspaceQuotaEnforcer: atomic.Pointer[workspacequota.Enforcer]{},
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}
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api.Auditor.Store(&options.Auditor)
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api.WorkspaceQuotaEnforcer.Store(&options.WorkspaceQuotaEnforcer)
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api.workspaceAgentCache = wsconncache.New(api.dialWorkspaceAgentTailnet, 0)
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api.TailnetCoordinator.Store(&options.TailnetCoordinator)
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oauthConfigs := &httpmw.OAuth2Configs{
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Github: options.GithubOAuth2Config,
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OIDC: options.OIDCConfig,
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}
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apiKeyMiddleware := httpmw.ExtractAPIKey(httpmw.ExtractAPIKeyConfig{
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DB: options.Database,
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OAuth2Configs: oauthConfigs,
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RedirectToLogin: false,
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Optional: false,
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})
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// Same as above but it redirects to the login page.
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apiKeyMiddlewareRedirect := httpmw.ExtractAPIKey(httpmw.ExtractAPIKeyConfig{
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DB: options.Database,
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OAuth2Configs: oauthConfigs,
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RedirectToLogin: true,
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Optional: false,
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})
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r.Use(
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httpmw.AttachRequestID,
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httpmw.Recover(api.Logger),
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httpmw.Logger(api.Logger),
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httpmw.Prometheus(options.PrometheusRegistry),
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// handleSubdomainApplications checks if the first subdomain is a valid
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// app URL. If it is, it will serve that application.
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api.handleSubdomainApplications(
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// Middleware to impose on the served application.
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httpmw.RateLimitPerMinute(options.APIRateLimit),
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httpmw.ExtractAPIKey(httpmw.ExtractAPIKeyConfig{
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DB: options.Database,
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OAuth2Configs: oauthConfigs,
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// The code handles the the case where the user is not
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// authenticated automatically.
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RedirectToLogin: false,
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Optional: true,
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}),
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httpmw.ExtractUserParam(api.Database, false),
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httpmw.ExtractWorkspaceAndAgentParam(api.Database),
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),
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// Build-Version is helpful for debugging.
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func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Add("X-Coder-Build-Version", buildinfo.Version())
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next.ServeHTTP(w, r)
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})
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},
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httpmw.CSRF(options.SecureAuthCookie),
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)
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apps := func(r chi.Router) {
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r.Use(
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tracing.Middleware(api.TracerProvider),
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httpmw.RateLimitPerMinute(options.APIRateLimit),
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httpmw.ExtractAPIKey(httpmw.ExtractAPIKeyConfig{
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DB: options.Database,
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OAuth2Configs: oauthConfigs,
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// Optional is true to allow for public apps. If an
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// authorization check fails and the user is not authenticated,
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// they will be redirected to the login page by the app handler.
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RedirectToLogin: false,
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Optional: true,
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}),
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// Redirect to the login page if the user tries to open an app with
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// "me" as the username and they are not logged in.
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httpmw.ExtractUserParam(api.Database, true),
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// Extracts the <workspace.agent> from the url
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httpmw.ExtractWorkspaceAndAgentParam(api.Database),
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)
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r.HandleFunc("/*", api.workspaceAppsProxyPath)
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}
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// %40 is the encoded character of the @ symbol. VS Code Web does
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// not handle character encoding properly, so it's safe to assume
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// other applications might not as well.
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r.Route("/%40{user}/{workspace_and_agent}/apps/{workspaceapp}", apps)
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r.Route("/@{user}/{workspace_and_agent}/apps/{workspaceapp}", apps)
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r.Route("/derp", func(r chi.Router) {
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r.Get("/", derphttp.Handler(api.DERPServer).ServeHTTP)
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// This is used when UDP is blocked, and latency must be checked via HTTP(s).
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r.Get("/latency-check", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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})
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})
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r.Route("/api/v2", func(r chi.Router) {
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api.APIHandler = r
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r.NotFound(func(rw http.ResponseWriter, r *http.Request) { httpapi.RouteNotFound(rw) })
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r.Use(
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tracing.Middleware(api.TracerProvider),
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// Specific routes can specify smaller limits.
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httpmw.RateLimitPerMinute(options.APIRateLimit),
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)
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r.Get("/", func(w http.ResponseWriter, r *http.Request) {
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httpapi.Write(r.Context(), w, http.StatusOK, codersdk.Response{
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//nolint:gocritic
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Message: "👋",
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})
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})
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// All CSP errors will be logged
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r.Post("/csp/reports", api.logReportCSPViolations)
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r.Route("/buildinfo", func(r chi.Router) {
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r.Get("/", func(rw http.ResponseWriter, r *http.Request) {
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httpapi.Write(r.Context(), rw, http.StatusOK, codersdk.BuildInfoResponse{
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ExternalURL: buildinfo.ExternalURL(),
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Version: buildinfo.Version(),
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})
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})
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})
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r.Route("/flags", func(r chi.Router) {
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r.Use(apiKeyMiddleware)
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r.Get("/deployment", api.deploymentFlags)
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})
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r.Route("/audit", func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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)
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r.Get("/", api.auditLogs)
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r.Get("/count", api.auditLogCount)
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r.Post("/testgenerate", api.generateFakeAuditLog)
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})
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r.Route("/files", func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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// This number is arbitrary, but reading/writing
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// file content is expensive so it should be small.
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httpmw.RateLimitPerMinute(12),
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)
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r.Get("/{fileID}", api.fileByID)
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r.Post("/", api.postFile)
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})
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r.Route("/provisionerdaemons", func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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)
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r.Get("/", api.provisionerDaemons)
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})
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r.Route("/organizations", func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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)
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r.Post("/", api.postOrganizations)
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r.Route("/{organization}", func(r chi.Router) {
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r.Use(
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httpmw.ExtractOrganizationParam(options.Database),
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)
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r.Get("/", api.organization)
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r.Post("/templateversions", api.postTemplateVersionsByOrganization)
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r.Route("/templates", func(r chi.Router) {
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r.Post("/", api.postTemplateByOrganization)
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r.Get("/", api.templatesByOrganization)
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r.Get("/{templatename}", api.templateByOrganizationAndName)
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})
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r.Route("/members", func(r chi.Router) {
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r.Get("/roles", api.assignableOrgRoles)
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r.Route("/{user}", func(r chi.Router) {
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r.Use(
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httpmw.ExtractUserParam(options.Database, false),
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httpmw.ExtractOrganizationMemberParam(options.Database),
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)
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r.Put("/roles", api.putMemberRoles)
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r.Post("/workspaces", api.postWorkspacesByOrganization)
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})
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})
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})
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})
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r.Route("/parameters/{scope}/{id}", func(r chi.Router) {
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r.Use(apiKeyMiddleware)
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r.Post("/", api.postParameter)
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r.Get("/", api.parameters)
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r.Route("/{name}", func(r chi.Router) {
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r.Delete("/", api.deleteParameter)
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})
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})
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r.Route("/templates/{template}", func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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httpmw.ExtractTemplateParam(options.Database),
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)
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r.Get("/daus", api.templateDAUs)
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r.Get("/", api.template)
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r.Delete("/", api.deleteTemplate)
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r.Patch("/", api.patchTemplateMeta)
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r.Route("/versions", func(r chi.Router) {
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r.Get("/", api.templateVersionsByTemplate)
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r.Patch("/", api.patchActiveTemplateVersion)
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r.Get("/{templateversionname}", api.templateVersionByName)
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})
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})
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r.Route("/templateversions/{templateversion}", func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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httpmw.ExtractTemplateVersionParam(options.Database),
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)
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r.Get("/", api.templateVersion)
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r.Patch("/cancel", api.patchCancelTemplateVersion)
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r.Get("/schema", api.templateVersionSchema)
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r.Get("/parameters", api.templateVersionParameters)
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r.Get("/resources", api.templateVersionResources)
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r.Get("/logs", api.templateVersionLogs)
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r.Route("/dry-run", func(r chi.Router) {
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r.Post("/", api.postTemplateVersionDryRun)
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r.Get("/{jobID}", api.templateVersionDryRun)
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r.Get("/{jobID}/resources", api.templateVersionDryRunResources)
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r.Get("/{jobID}/logs", api.templateVersionDryRunLogs)
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r.Patch("/{jobID}/cancel", api.patchTemplateVersionDryRunCancel)
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})
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})
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r.Route("/users", func(r chi.Router) {
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r.Get("/first", api.firstUser)
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r.Post("/first", api.postFirstUser)
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r.Post("/login", api.postLogin)
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r.Get("/authmethods", api.userAuthMethods)
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r.Route("/oauth2", func(r chi.Router) {
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r.Route("/github", func(r chi.Router) {
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r.Use(httpmw.ExtractOAuth2(options.GithubOAuth2Config))
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r.Get("/callback", api.userOAuth2Github)
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})
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})
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r.Route("/oidc/callback", func(r chi.Router) {
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r.Use(httpmw.ExtractOAuth2(options.OIDCConfig))
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r.Get("/", api.userOIDC)
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})
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r.Group(func(r chi.Router) {
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r.Use(
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apiKeyMiddleware,
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)
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r.Post("/", api.postUser)
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r.Get("/", api.users)
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r.Post("/logout", api.postLogout)
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// These routes query information about site wide roles.
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r.Route("/roles", func(r chi.Router) {
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r.Get("/", api.assignableSiteRoles)
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})
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r.Route("/{user}", func(r chi.Router) {
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r.Use(httpmw.ExtractUserParam(options.Database, false))
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r.Delete("/", api.deleteUser)
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r.Get("/", api.userByName)
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r.Put("/profile", api.putUserProfile)
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r.Route("/status", func(r chi.Router) {
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r.Put("/suspend", api.putUserStatus(database.UserStatusSuspended))
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r.Put("/activate", api.putUserStatus(database.UserStatusActive))
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})
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r.Route("/password", func(r chi.Router) {
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r.Put("/", api.putUserPassword)
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})
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// These roles apply to the site wide permissions.
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r.Put("/roles", api.putUserRoles)
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r.Get("/roles", api.userRoles)
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r.Route("/keys", func(r chi.Router) {
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r.Post("/", api.postAPIKey)
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r.Route("/tokens", func(r chi.Router) {
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r.Post("/", api.postToken)
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r.Get("/", api.tokens)
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})
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r.Route("/{keyid}", func(r chi.Router) {
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r.Get("/", api.apiKey)
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r.Delete("/", api.deleteAPIKey)
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})
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})
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r.Route("/organizations", func(r chi.Router) {
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r.Get("/", api.organizationsByUser)
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r.Get("/{organizationname}", api.organizationByUserAndName)
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})
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r.Route("/workspace/{workspacename}", func(r chi.Router) {
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r.Get("/", api.workspaceByOwnerAndName)
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r.Get("/builds/{buildnumber}", api.workspaceBuildByBuildNumber)
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})
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r.Get("/gitsshkey", api.gitSSHKey)
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r.Put("/gitsshkey", api.regenerateGitSSHKey)
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})
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})
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})
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r.Route("/workspaceagents", func(r chi.Router) {
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r.Post("/azure-instance-identity", api.postWorkspaceAuthAzureInstanceIdentity)
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r.Post("/aws-instance-identity", api.postWorkspaceAuthAWSInstanceIdentity)
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r.Post("/google-instance-identity", api.postWorkspaceAuthGoogleInstanceIdentity)
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r.Route("/me", func(r chi.Router) {
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r.Use(httpmw.ExtractWorkspaceAgent(options.Database))
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r.Get("/apps", api.workspaceAgentApps)
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r.Get("/metadata", api.workspaceAgentMetadata)
|
|
r.Post("/version", api.postWorkspaceAgentVersion)
|
|
r.Post("/app-health", api.postWorkspaceAppHealth)
|
|
r.Get("/gitsshkey", api.agentGitSSHKey)
|
|
r.Get("/coordinate", api.workspaceAgentCoordinate)
|
|
r.Get("/report-stats", api.workspaceAgentReportStats)
|
|
})
|
|
r.Route("/{workspaceagent}", func(r chi.Router) {
|
|
r.Use(
|
|
apiKeyMiddleware,
|
|
httpmw.ExtractWorkspaceAgentParam(options.Database),
|
|
httpmw.ExtractWorkspaceParam(options.Database),
|
|
)
|
|
r.Get("/", api.workspaceAgent)
|
|
r.Get("/pty", api.workspaceAgentPTY)
|
|
r.Get("/listening-ports", api.workspaceAgentListeningPorts)
|
|
r.Get("/connection", api.workspaceAgentConnection)
|
|
r.Get("/coordinate", api.workspaceAgentClientCoordinate)
|
|
// TODO: This can be removed in October. It allows for a friendly
|
|
// error message when transitioning from WebRTC to Tailscale. See:
|
|
// https://github.com/coder/coder/issues/4126
|
|
r.Get("/dial", func(w http.ResponseWriter, r *http.Request) {
|
|
httpapi.Write(r.Context(), w, http.StatusGone, codersdk.Response{
|
|
Message: "Your Coder CLI is out of date, and requires v0.8.15+ to connect!",
|
|
})
|
|
})
|
|
})
|
|
})
|
|
r.Route("/workspaces", func(r chi.Router) {
|
|
r.Use(
|
|
apiKeyMiddleware,
|
|
)
|
|
r.Get("/", api.workspaces)
|
|
r.Route("/{workspace}", func(r chi.Router) {
|
|
r.Use(
|
|
httpmw.ExtractWorkspaceParam(options.Database),
|
|
)
|
|
r.Get("/", api.workspace)
|
|
r.Patch("/", api.patchWorkspace)
|
|
r.Route("/builds", func(r chi.Router) {
|
|
r.Get("/", api.workspaceBuilds)
|
|
r.Post("/", api.postWorkspaceBuilds)
|
|
})
|
|
r.Route("/autostart", func(r chi.Router) {
|
|
r.Put("/", api.putWorkspaceAutostart)
|
|
})
|
|
r.Route("/ttl", func(r chi.Router) {
|
|
r.Put("/", api.putWorkspaceTTL)
|
|
})
|
|
r.Get("/watch", api.watchWorkspace)
|
|
r.Put("/extend", api.putExtendWorkspace)
|
|
})
|
|
})
|
|
r.Route("/workspacebuilds/{workspacebuild}", func(r chi.Router) {
|
|
r.Use(
|
|
apiKeyMiddleware,
|
|
httpmw.ExtractWorkspaceBuildParam(options.Database),
|
|
httpmw.ExtractWorkspaceParam(options.Database),
|
|
)
|
|
r.Get("/", api.workspaceBuild)
|
|
r.Patch("/cancel", api.patchCancelWorkspaceBuild)
|
|
r.Get("/logs", api.workspaceBuildLogs)
|
|
r.Get("/resources", api.workspaceBuildResources)
|
|
r.Get("/state", api.workspaceBuildState)
|
|
})
|
|
r.Route("/authcheck", func(r chi.Router) {
|
|
r.Use(apiKeyMiddleware)
|
|
r.Post("/", api.checkAuthorization)
|
|
})
|
|
r.Route("/applications", func(r chi.Router) {
|
|
r.Route("/host", func(r chi.Router) {
|
|
// Don't leak the hostname to unauthenticated users.
|
|
r.Use(apiKeyMiddleware)
|
|
r.Get("/", api.appHost)
|
|
})
|
|
r.Route("/auth-redirect", func(r chi.Router) {
|
|
// We want to redirect to login if they are not authenticated.
|
|
r.Use(apiKeyMiddlewareRedirect)
|
|
|
|
// This is a GET request as it's redirected to by the subdomain app
|
|
// handler and the login page.
|
|
r.Get("/", api.workspaceApplicationAuth)
|
|
})
|
|
})
|
|
})
|
|
|
|
r.NotFound(compressHandler(http.HandlerFunc(api.siteHandler.ServeHTTP)).ServeHTTP)
|
|
return api
|
|
}
|
|
|
|
type API struct {
|
|
*Options
|
|
Auditor atomic.Pointer[audit.Auditor]
|
|
WorkspaceClientCoordinateOverride atomic.Pointer[func(rw http.ResponseWriter) bool]
|
|
WorkspaceQuotaEnforcer atomic.Pointer[workspacequota.Enforcer]
|
|
TailnetCoordinator atomic.Pointer[tailnet.Coordinator]
|
|
HTTPAuth *HTTPAuthorizer
|
|
|
|
// APIHandler serves "/api/v2"
|
|
APIHandler chi.Router
|
|
// RootHandler serves "/"
|
|
RootHandler chi.Router
|
|
|
|
metricsCache *metricscache.Cache
|
|
siteHandler http.Handler
|
|
websocketWaitMutex sync.Mutex
|
|
websocketWaitGroup sync.WaitGroup
|
|
workspaceAgentCache *wsconncache.Cache
|
|
}
|
|
|
|
// Close waits for all WebSocket connections to drain before returning.
|
|
func (api *API) Close() error {
|
|
api.websocketWaitMutex.Lock()
|
|
api.websocketWaitGroup.Wait()
|
|
api.websocketWaitMutex.Unlock()
|
|
|
|
api.metricsCache.Close()
|
|
coordinator := api.TailnetCoordinator.Load()
|
|
if coordinator != nil {
|
|
_ = (*coordinator).Close()
|
|
}
|
|
return api.workspaceAgentCache.Close()
|
|
}
|
|
|
|
func compressHandler(h http.Handler) http.Handler {
|
|
cmp := middleware.NewCompressor(5,
|
|
"text/*",
|
|
"application/*",
|
|
"image/*",
|
|
)
|
|
cmp.SetEncoder("br", func(w io.Writer, level int) io.Writer {
|
|
return brotli.NewWriterLevel(w, level)
|
|
})
|
|
cmp.SetEncoder("zstd", func(w io.Writer, level int) io.Writer {
|
|
zw, err := zstd.NewWriter(w, zstd.WithEncoderLevel(zstd.EncoderLevelFromZstd(level)))
|
|
if err != nil {
|
|
panic("invalid zstd compressor: " + err.Error())
|
|
}
|
|
return zw
|
|
})
|
|
|
|
return cmp.Handler(h)
|
|
}
|