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package web
import (
"context"
"io/fs"
"log"
"os"
"time"
"code.crute.us/mcrute/cloud-identity-broker/app"
"code.crute.us/mcrute/cloud-identity-broker/app/controllers"
"code.crute.us/mcrute/cloud-identity-broker/app/middleware"
"code.crute.us/mcrute/cloud-identity-broker/app/models"
"code.crute.us/mcrute/cloud-identity-broker/auth"
"code.crute.us/mcrute/cloud-identity-broker/auth/github"
"code.crute.us/mcrute/golib/cli"
"code.crute.us/mcrute/golib/clients/autocert/v2"
"code.crute.us/mcrute/golib/clients/netbox/v3"
"code.crute.us/mcrute/golib/db/mongodb/v2"
glecho "code.crute.us/mcrute/golib/echo"
glmw "code.crute.us/mcrute/golib/echo/middleware"
"code.crute.us/mcrute/golib/secrets"
echomw "github.com/labstack/echo/v4/middleware"
"github.com/labstack/echo/v4"
"github.com/spf13/cobra"
"golang.org/x/time/rate"
)
func Register(root *cobra.Command, embeddedTemplates fs.FS, appVersion string) {
webCmd := &cobra.Command{
Use: "web [options]",
Short: "Run web server",
Run: func(c *cobra.Command, args []string) {
cfg := app.Config{}
cli.MustGetConfig(c, &cfg)
webMain(cfg, embeddedTemplates, appVersion)
},
}
cli.AddFlags(webCmd, &app.Config{}, app.DefaultConfig, "web")
root.AddCommand(webCmd)
}
// webMain does the pretty standard golib/Echo setup
func webMain(cfg app.Config, embeddedTemplates fs.FS, version string) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
s, err := glecho.NewEchoWrapper(ctx, cfg.Debug)
if err != nil {
log.Fatalf("Error building echo: %s", err)
}
vc, err := glecho.MakeVaultSecretsClient(ctx)
if err != nil {
log.Fatalf("Error making vault client %s", err)
}
if err = s.Configure(glecho.EchoConfig{
ApplicationName: "cloud-identity-broker",
ApplicationVersion: version,
BindAddresses: cfg.Bind,
DiskTemplates: os.DirFS("templates/"),
EmbeddedTemplates: embeddedTemplates,
TrustedProxyIPRanges: cfg.TrustedIPRanges,
CombinedHostLogFile: cfg.LogFile,
ContentSecurityPolicy: &glmw.ContentSecurityPolicyConfig{
DefaultSrc: []glmw.CSPDirective{
glmw.CSPSelf,
glmw.CSPUnsafeInline,
},
StyleSrc: []glmw.CSPDirective{
glmw.CSPSelf,
glmw.CSPData,
glmw.CSPUnsafeInline,
},
},
Autocert: autocert.MustNewAutocertWrapper(ctx, autocert.AutocertConfig{
ApiKey: secrets.MustGetApiKey(vc, ctx, cfg.DNSApiKeyVaultPath).Key,
Hosts: cfg.Hostnames,
Email: cfg.AutocertEmail,
CertHost: cfg.AutocertHost,
}),
NetboxClient: &netbox.BasicNetboxClient{
Endpoint: cfg.NetboxHost,
ApiKey: secrets.MustGetApiKey(vc, ctx, cfg.NetboxApiKeyVaultPath).Key,
},
}); err != nil {
log.Fatalf("Error building echo: %s", err)
}
glecho.AttachSecretsClient(vc, cancel, s.Runner(), s.Logger)
mongo, err := mongodb.Connect(ctx, cfg.MongoDbUri, vc)
if err != nil {
log.Fatalf("Error connecting to mongodb: %s", err)
}
setupApplication(ctx, cfg, s, mongo, vc)
s.RunForever(!cfg.DisableBackgroundJobs)
}
// setupApplication does the setup work that's specific to this
// application
func setupApplication(ctx context.Context, cfg app.Config, s *glecho.EchoWrapper, mongo *mongodb.Mongo, vc secrets.Client) {
rateLimit := echomw.RateLimiter(
echomw.NewRateLimiterMemoryStoreWithConfig(
echomw.RateLimiterMemoryStoreConfig{
Rate: rate.Every(cfg.RateLimit),
Burst: cfg.RateLimitBurst,
ExpiresIn: time.Hour,
},
),
)
// These admin prefixed stores have unsafe-by-default behavior that's
// necessary for some admin workflows. They should never be used in
// non-admin workflows.
adminAccountStore := &models.MongoDbAccountStore{
Db: mongo,
ReturnDeleted: true,
}
adminUserStore := &models.MongoDbUserStore{
Db: mongo,
ReturnDeleted: true,
}
// Use these for non-admin workflows
as := &models.MongoDbAccountStore{Db: mongo}
us := &models.MongoDbUserStore{Db: mongo}
aws := &controllers.AWSAPI{
Store: as,
Secrets: vc,
}
if errs := aws.Preload(ctx); len(errs) > 0 {
for _, err := range errs {
log.Printf("Error preloading AWS accounts: %s", err)
}
log.Fatalf("Could not preload all AWS accounts")
}
ghCred := &app.GitHubOauthCreds{}
if _, err := vc.Secret(ctx, cfg.GitHubOauthCreds, &ghCred); err != nil {
log.Fatalf("Error retrieving GitHub credentials: %s", err)
}
am := &middleware.AuthenticationMiddleware{
Store: us,
CookieDuration: cfg.AuthCookieDuration,
GitHub: &github.GitHubAuthenticator{
ClientId: ghCred.ClientId,
ClientSecret: ghCred.ClientSecret,
},
JWTManager: &auth.JWTManager{
Store: us,
Audience: cfg.JWTAudience,
TokenExpires: cfg.AuthCookieDuration,
},
}
am.RegisterUrls(s)
api := s.Group("/api")
api.Use(glmw.VaryCookie())
api.Use(glmw.CacheNeverMiddleware)
api.Use(am.Middleware)
{
api.GET("", controllers.APIIndexHandler)
account := api.Group("/account")
{
account.GET("", controllers.NewAPIAccountListHandler(as))
account.GET(
"/:provider/:account/credentials",
controllers.NewAPIRegionListHandler(aws),
)
account.GET(
"/:provider/:account/console",
controllers.NewAPIConsoleRedirectHandler(aws, cfg.IssuerEndpoint),
rateLimit,
)
account.GET(
"/:provider/:account/credentials/:region",
controllers.NewAPICredentialsHandler(aws),
rateLimit,
)
(&controllers.APIAccountHandler{
Store: as,
AdminStore: adminAccountStore,
}).Register("/:provider/:account", "", account)
}
user := api.Group("/user")
user.Use(middleware.RequireAdminPrivileges)
{
user.GET("", controllers.NewAPIUserListHandler(us))
(&controllers.APIUserHandler{
Store: adminUserStore,
}).Register("/:user", "", user)
}
}
s.GET("/favicon.ico", echo.NotFoundHandler)
s.GET("/logout", controllers.LogoutHandler)
s.CachedStaticRoute("/assets", "assets")
s.GET("/", controllers.IndexHandler, am.Middleware)
}
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