goweb-oidc/cmd/server/container.go

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package main
import (
"context"
"net/http"
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"gitlab.com/wpetit/goweb/logger"
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"gitlab.com/wpetit/goweb/template/html"
oidc "forge.cadoles.com/wpetit/goweb-oidc"
"forge.cadoles.com/wpetit/goweb-oidc/internal/config"
"github.com/gorilla/sessions"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/service"
"gitlab.com/wpetit/goweb/service/build"
"gitlab.com/wpetit/goweb/service/session"
"gitlab.com/wpetit/goweb/service/template"
"gitlab.com/wpetit/goweb/session/gorilla"
)
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func getServiceContainer(ctx context.Context, conf *config.Config) (*service.Container, error) {
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// Initialize and configure service container
ctn := service.NewContainer()
ctn.Provide(build.ServiceName, build.ServiceProvider(ProjectVersion, GitRef, BuildDate))
// Generate random cookie authentication key if none is set
if conf.HTTP.CookieAuthenticationKey == "" {
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logger.Info(ctx, "could not find cookie authentication key. generating one...")
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cookieAuthenticationKey, err := gorilla.GenerateRandomBytes(64)
if err != nil {
return nil, errors.Wrap(err, "could not generate cookie authentication key")
}
conf.HTTP.CookieAuthenticationKey = string(cookieAuthenticationKey)
}
// Generate random cookie encryption key if none is set
if conf.HTTP.CookieEncryptionKey == "" {
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logger.Info(ctx, "could not find cookie encryption key. generating one...")
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cookieEncryptionKey, err := gorilla.GenerateRandomBytes(32)
if err != nil {
return nil, errors.Wrap(err, "could not generate cookie encryption key")
}
conf.HTTP.CookieEncryptionKey = string(cookieEncryptionKey)
}
// Create and initialize HTTP session service provider
cookieStore := sessions.NewCookieStore(
[]byte(conf.HTTP.CookieAuthenticationKey),
[]byte(conf.HTTP.CookieEncryptionKey),
)
// Define default cookie options
cookieStore.Options = &sessions.Options{
Path: "/",
HttpOnly: true,
MaxAge: conf.HTTP.CookieMaxAge,
SameSite: http.SameSiteStrictMode,
}
ctn.Provide(
session.ServiceName,
gorilla.ServiceProvider("oidc-test", cookieStore),
)
// Create and expose template service provider
ctn.Provide(template.ServiceName, html.ServiceProvider(
conf.HTTP.TemplateDir,
))
// Create and expose config service provider
ctn.Provide(config.ServiceName, config.ServiceProvider(conf))
provider, err := oidc.NewProvider(ctx, conf.OIDC.IssuerURL)
if err != nil {
return nil, errors.Wrap(err, "could not create oidc provider")
}
ctn.Provide(oidc.ServiceName, oidc.ServiceProvider(
oidc.WithCredentials(conf.OIDC.ClientID, conf.OIDC.ClientSecret),
oidc.WithProvider(provider),
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oidc.WithScopes("email", "openid"),
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))
return ctn, nil
}