Implement database access for user information

active.de.toml

@@ -70,3 +70,7 @@ other = "Deine Nutzerprofilinformationen inklusive Name, Geburtsdatum und Sprach
 [TitleRequestConsent]
 hash = "sha1-14984a9e08cda5390677458a98408baa955f9f8b"
 other = "Anwendung erbittet deine Zustimmung"
+
+[WrongOrLockedUserOrInvalidPassword]
+hash = "sha1-87e0a0ac67c6c3a06bed184e10b22aae4d075b64"
+other = "Du hast einen ungültigen Nutzernamen oder ein ungültiges Passwort eingegeben oder dein Benutzerkonto wurde gesperrt."

active.en.toml

@@ -15,6 +15,7 @@ Scope-offline_access-Description = "Keep access to your information until you re
 Scope-openid-Description = "Request information about your identity."
 Scope-profile-Description = "Access your user profile information including your name, birth date and locale."
 TitleRequestConsent = "Application requests your consent"
+WrongOrLockedUserOrInvalidPassword = "You entered an invalid username or password or your account has been locked."
 
 [LogoutLabel]
 description = "A label on a logout button or link"

cmd/idp/main.go

@@ -85,6 +85,11 @@ func main() {
 	clientTransport := client.New(adminURL.Host, adminURL.Path, []string{adminURL.Scheme})
 	adminClient := hydra.New(clientTransport, nil)
 
+	ctx, err = services.InitDatabase(ctx, services.NewDatabaseParams(config.MustString("db.dsn")))
+	if err != nil {
+		logger.Fatalf("error initializing the database connection: %v", err)
+	}
+
 	handlerContext := context.WithValue(ctx, handlers.CtxAdminClient, adminClient.Admin)
 	loginHandler, err := handlers.NewLoginHandler(handlerContext, logger)
 	if err != nil {
@@ -94,7 +99,7 @@ func main() {
 	if err != nil {
 		logger.Fatalf("error initializing consent handler: %v", err)
 	}
-	logoutHandler := handlers.NewLogoutHandler(logger, handlerContext)
+	logoutHandler := handlers.NewLogoutHandler(handlerContext, logger)
 	logoutSuccessHandler := handlers.NewLogoutSuccessHandler()
 	errorHandler := handlers.NewErrorHandler()
 

go.mod

@@ -7,9 +7,11 @@ require (
 	github.com/go-openapi/runtime v0.19.22
 	github.com/go-playground/form/v4 v4.1.1
 	github.com/go-playground/validator/v10 v10.4.1
+	github.com/go-sql-driver/mysql v1.5.0
 	github.com/golang/protobuf v1.4.0 // indirect
 	github.com/gorilla/csrf v1.7.0
 	github.com/gorilla/sessions v1.2.1
+	github.com/jmoiron/sqlx v1.2.0
 	github.com/knadh/koanf v0.14.0
 	github.com/lestrrat-go/jwx v1.0.6
 	github.com/nicksnyder/go-i18n/v2 v2.1.1
@@ -20,6 +22,7 @@ require (
 	golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 // indirect
 	golang.org/x/net v0.0.0-20200625001655-4c5254603344 // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
-	golang.org/x/text v0.3.3
+	golang.org/x/text v0.3.4
 	google.golang.org/appengine v1.6.5 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.sum

@@ -102,6 +102,9 @@ github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD87
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
 github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
 github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
+github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
+github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
+github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gobuffalo/attrs v0.0.0-20190224210810-a9411de4debd/go.mod h1:4duuawTqi2wkkpB4ePgWMaai6/Kc6WEz83bhFwpHzj0=
@@ -155,6 +158,8 @@ github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/jmoiron/sqlx v1.2.0 h1:41Ip0zITnmWNR/vHV+S4m+VoUivnWY5E4OJfLZjCJMA=
+github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
 github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
 github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
 github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaRPx4tDPEn4=
@@ -180,6 +185,8 @@ github.com/lestrrat-go/jwx v1.0.6 h1:0absmJ/XlsxNkXr9syeIHjCJnu3rZa+DKzdCI6QfYgU
 github.com/lestrrat-go/jwx v1.0.6/go.mod h1:NNxs6i86gQDGEqgIszN/pkJihMqzYrXMIJt2Yhxhkvs=
 github.com/lestrrat-go/pdebug v0.0.0-20200204225717-4d6bd78da58d h1:aEZT3f1GGg5RIlHMAy4/4fe4ciOi3SCwYoaURphcB4k=
 github.com/lestrrat-go/pdebug v0.0.0-20200204225717-4d6bd78da58d/go.mod h1:B06CSso/AWxiPejj+fheUINGeBKeeEZNt8w+EoU7+L8=
+github.com/lib/pq v1.0.0 h1:X5PMW56eZitiTeO7tKzZxFCSpbFZJtkMMooicw2us9A=
+github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
@@ -188,11 +195,14 @@ github.com/mailru/easyjson v0.7.1 h1:mdxE1MF9o53iCb2Ghj1VfWvh7ZOwHpnVG/xwXrV90U8
 github.com/mailru/easyjson v0.7.1/go.mod h1:KAzv3t3aY1NaHWoQz1+4F1ccyAH66Jk7yos7ldAVICs=
 github.com/markbates/oncer v0.0.0-20181203154359-bf2de49a0be2/go.mod h1:Ld9puTsIW75CHf65OeIOkyKbteujpZVXDpWK6YGZbxE=
 github.com/markbates/safe v1.0.1/go.mod h1:nAqgmRi7cY2nqMc92/bSEeQA+R4OheNU2T1kNSCBdG0=
+github.com/mattn/go-sqlite3 v1.9.0 h1:pDRiWfl+++eC2FEFRy6jXmQlvp4Yh3z1MJKg4UeYM/4=
+github.com/mattn/go-sqlite3 v1.9.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.2.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/mapstructure v1.3.2 h1:mRS76wmkOn3KkKAyXDu42V+6ebnXWIztFSYGN7GeoRg=
 github.com/mitchellh/mapstructure v1.3.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
+github.com/nicksnyder/go-i18n v1.10.1 h1:isfg77E/aCD7+0lD/D00ebR2MV5vgeQ276WYyDaCRQc=
 github.com/nicksnyder/go-i18n/v2 v2.1.1 h1:ATCOanRDlrfKVB4WHAdJnLEqZtDmKYsweqsOUYflnBU=
 github.com/nicksnyder/go-i18n/v2 v2.1.1/go.mod h1:d++QJC9ZVf7pa48qrsRWhMJ5pSHIPmS3OLqK1niyLxs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
@@ -297,6 +307,8 @@ golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
+golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -332,6 +344,8 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=

idp/handlers/consent.go

@@ -2,12 +2,15 @@ package handlers
 
 import (
 	"context"
+	"database/sql"
 	"fmt"
 	"html/template"
 	"net/http"
+	"strings"
 	"time"
 
 	"github.com/go-playground/form/v4"
+	"github.com/go-sql-driver/mysql"
 	"github.com/gorilla/csrf"
 	"github.com/lestrrat-go/jwx/jwt/openid"
 	"github.com/nicksnyder/go-i18n/v2/i18n"
@@ -16,12 +19,14 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	commonServices "git.cacert.org/oidc_login/common/services"
+	"git.cacert.org/oidc_login/idp/services"
 )
 
 type consentHandler struct {
 	adminClient     *admin.Client
 	bundle          *i18n.Bundle
 	consentTemplate *template.Template
+	context         context.Context
 	logger          *log.Logger
 	messageCatalog  *commonServices.MessageCatalog
 }
@@ -30,6 +35,31 @@ type ConsentInformation struct {
 	ConsentChecked bool `form:"consent"`
 }
 
+type UserInfo struct {
+	Email         string         `db:"email"`
+	EmailVerified bool           `db:"verified"`
+	GivenName     string         `db:"fname"`
+	MiddleName    string         `db:"mname"`
+	FamilyName    string         `db:"lname"`
+	BirthDate     mysql.NullTime `db:"dob"`
+	Language      string         `db:"language"`
+	Modified      mysql.NullTime `db:"modified"`
+}
+
+func (i *UserInfo) GetFullName() string {
+	nameParts := make([]string, 0)
+	if len(i.GivenName) > 0 {
+		nameParts = append(nameParts, i.GivenName)
+	}
+	if len(i.MiddleName) > 0 {
+		nameParts = append(nameParts, i.MiddleName)
+	}
+	if len(i.FamilyName) > 0 {
+		nameParts = append(nameParts, i.FamilyName)
+	}
+	return strings.Join(nameParts, " ")
+}
+
 func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	challenge := r.URL.Query().Get("consent_challenge")
 	h.logger.Debugf("received consent challenge %s", challenge)
@@ -47,26 +77,7 @@ func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 	switch r.Method {
 	case http.MethodGet:
-		trans := h.messageCatalog.LookupMessage
+		h.renderConsentForm(w, r, consentData, err, localizer)
-
-		// render consent form
-		client := consentData.GetPayload().Client
-		err = h.consentTemplate.Lookup("base").Execute(w, map[string]interface{}{
-			"Title":          trans("TitleRequestConsent", nil, localizer),
-			csrf.TemplateTag: csrf.TemplateField(r),
-			"errors":         map[string]string{},
-			"client":         client,
-			"requestedScope": h.mapRequestedScope(consentData.GetPayload().RequestedScope, localizer),
-			"LabelSubmit":    trans("LabelSubmit", nil, localizer),
-			"LabelConsent":   trans("LabelConsent", nil, localizer),
-			"IntroMoreInformation": template.HTML(trans("IntroConsentMoreInformation", map[string]interface{}{
-				"client":     client.ClientName,
-				"clientLink": client.ClientURI,
-			}, localizer)),
-			"IntroConsentRequested": template.HTML(trans("IntroConsentRequested", map[string]interface{}{
-				"client": client.ClientName,
-			}, localizer)),
-		})
 		break
 	case http.MethodPost:
 		var consentInfo ConsentInformation
@@ -82,25 +93,56 @@ func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		if consentInfo.ConsentChecked {
 			idTokenData := make(map[string]interface{}, 0)
 
+			db := services.GetDb(h.context)
+
+			stmt, err := db.PreparexContext(
+				r.Context(),
+				`SELECT email, verified, fname, mname, lname, dob, language, modified
+FROM users
+WHERE id = ?
+  AND LOCKED = 0`,
+			)
+			if err != nil {
+				h.logger.Errorf("error preparing user information SQL: %v", err)
+				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+				return
+			}
+			defer func() { _ = stmt.Close() }()
+
+			userInfo := &UserInfo{}
+
+			err = stmt.QueryRowxContext(r.Context(), consentData.GetPayload().Subject).StructScan(userInfo)
+			switch {
+			case err == sql.ErrNoRows:
+				http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
+				return
+			case err != nil:
+				h.logger.Errorf("error performing user information SQL: %v", err)
+				http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+				return
+			default:
 				for _, scope := range consentData.GetPayload().RequestedScope {
 					switch scope {
 					case "email":
-					idTokenData[openid.EmailKey] = "john@theripper.mil"
+						idTokenData[openid.EmailKey] = userInfo.Email
-					idTokenData[openid.EmailVerifiedKey] = true
+						idTokenData[openid.EmailVerifiedKey] = userInfo.EmailVerified
 						break
 					case "profile":
-					idTokenData[openid.GivenNameKey] = "John"
+						idTokenData[openid.GivenNameKey] = userInfo.GivenName
-					idTokenData[openid.FamilyNameKey] = "The ripper"
+						idTokenData[openid.FamilyNameKey] = userInfo.FamilyName
-					idTokenData[openid.MiddleNameKey] = ""
+						idTokenData[openid.MiddleNameKey] = userInfo.MiddleName
-					idTokenData[openid.NameKey] = "John the Ripper"
+						idTokenData[openid.NameKey] = userInfo.GetFullName()
-					idTokenData[openid.BirthdateKey] = "1970-01-01"
+						if userInfo.BirthDate.Valid {
-					idTokenData[openid.ZoneinfoKey] = "Europe/London"
+							idTokenData[openid.BirthdateKey] = userInfo.BirthDate.Time.Format("2006-01-02")
-					idTokenData[openid.LocaleKey] = "en_UK"
+						}
+						idTokenData[openid.LocaleKey] = userInfo.Language
 						idTokenData["https://cacert.localhost/groups"] = []string{"admin", "user"}
+						if userInfo.Modified.Valid {
+							idTokenData[openid.UpdatedAtKey] = userInfo.Modified.Time.Unix()
+						}
 						break
 					}
 				}
-
 				sessionData := &models.ConsentRequestSession{
 					AccessToken: nil,
 					IDToken:     idTokenData,
@@ -122,6 +164,8 @@ func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 				}
 				w.Header().Add("Location", *consentRequest.GetPayload().RedirectTo)
 				w.WriteHeader(http.StatusFound)
+				return
+			}
 		} else {
 			consentRequest, err := h.adminClient.RejectConsentRequest(
 				admin.NewRejectConsentRequestParams().WithConsentChallenge(challenge).WithBody(
@@ -137,6 +181,34 @@ func (h *consentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func (h *consentHandler) renderConsentForm(w http.ResponseWriter, r *http.Request, consentData *admin.GetConsentRequestOK, err error, localizer *i18n.Localizer) {
+	trans := func(id string, values ...map[string]interface{}) string {
+		if len(values) > 0 {
+			return h.messageCatalog.LookupMessage(id, values[0], localizer)
+		}
+		return h.messageCatalog.LookupMessage(id, nil, localizer)
+	}
+
+	// render consent form
+	client := consentData.GetPayload().Client
+	err = h.consentTemplate.Lookup("base").Execute(w, map[string]interface{}{
+		"Title":          trans("TitleRequestConsent"),
+		csrf.TemplateTag: csrf.TemplateField(r),
+		"errors":         map[string]string{},
+		"client":         client,
+		"requestedScope": h.mapRequestedScope(consentData.GetPayload().RequestedScope, localizer),
+		"LabelSubmit":    trans("LabelSubmit"),
+		"LabelConsent":   trans("LabelConsent"),
+		"IntroMoreInformation": template.HTML(trans("IntroConsentMoreInformation", map[string]interface{}{
+			"client":     client.ClientName,
+			"clientLink": client.ClientURI,
+		})),
+		"IntroConsentRequested": template.HTML(trans("IntroConsentRequested", map[string]interface{}{
+			"client": client.ClientName,
+		})),
+	})
+}
+
 type scopeWithLabel struct {
 	Name  string
 	Label string
@@ -162,6 +234,7 @@ func NewConsentHandler(ctx context.Context, logger *log.Logger) (*consentHandler
 		adminClient:     ctx.Value(CtxAdminClient).(*admin.Client),
 		bundle:          commonServices.GetI18nBundle(ctx),
 		consentTemplate: consentTemplate,
+		context:         ctx,
 		logger:          logger,
 		messageCatalog:  commonServices.GetMessageCatalog(ctx),
 	}, nil

idp/handlers/login.go

@@ -2,6 +2,9 @@ package handlers
 
 import (
 	"context"
+	"crypto/sha1"
+	"database/sql"
+	"encoding/hex"
 	"html/template"
 	"net/http"
 	"time"
@@ -16,11 +19,13 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	commonServices "git.cacert.org/oidc_login/common/services"
+	"git.cacert.org/oidc_login/idp/services"
 )
 
 type loginHandler struct {
 	adminClient    *admin.Client
 	bundle         *i18n.Bundle
+	context        context.Context
 	logger         *log.Logger
 	loginTemplate  *template.Template
 	messageCatalog *commonServices.MessageCatalog
@@ -47,24 +52,15 @@ func (h *loginHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	var err error
 	challenge := r.URL.Query().Get("login_challenge")
 	h.logger.Debugf("received login challenge %s\n", challenge)
+	accept := r.Header.Get("Accept-Language")
+	localizer := i18n.NewLocalizer(h.bundle, accept)
+
 	validate := validator.New()
 
 	switch r.Method {
 	case http.MethodGet:
 		// render login form
-		err = h.loginTemplate.Lookup("base").Execute(w, map[string]interface{}{
+		h.renderLoginForm(w, r, map[string]string{}, &LoginInformation{}, localizer)
-			"Title":          "Title",
-			csrf.TemplateTag: csrf.TemplateField(r),
-			"LabelEmail":     "Email",
-			"LabelPassword":  "Password",
-			"LabelLogin":     "Login",
-			"errors":         map[string]string{},
-		})
-		if err != nil {
-			h.logger.Error(err)
-			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
-			return
-		}
 		break
 	case http.MethodPost:
 		var loginInfo LoginInformation
@@ -84,34 +80,57 @@ func (h *loginHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 				accept := r.Header.Get("Accept-Language")
 				errors[err.Field()] = h.messageCatalog.LookupErrorMessage(err.Tag(), err.Field(), err.Value(), i18n.NewLocalizer(h.bundle, accept))
 			}
+			h.renderLoginForm(w, r, errors, &loginInfo, localizer)
+			return
+		}
 
-			err = h.loginTemplate.Lookup("base").Execute(w, map[string]interface{}{
+		db := services.GetDb(h.context)
-				"Title":          "Title",
+
-				csrf.TemplateTag: csrf.TemplateField(r),
+		stmt, err := db.PrepareContext(
-				"LabelEmail":     "Email",
+			r.Context(),
-				"LabelPassword":  "Password",
+			`SELECT id
-				"LabelLogin":     "Login",
+FROM users
-				"Email":          loginInfo.Email,
+WHERE email = ?
-				"errors":         errors,
+  AND password = ?
-			})
+  AND locked = 0`,
+		)
 		if err != nil {
-				h.logger.Error(err)
+			h.logger.Errorf("error preparing login SQL: %v", err)
 			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
 			return
 		}
-			return
+		defer func() { _ = stmt.Close() }()
-		}
 
+		// FIXME: replace with a real password hash algorithm
+		passwordHash := sha1.Sum([]byte(loginInfo.Password))
+		password := hex.EncodeToString(passwordHash[:])
+		// FIXME: introduce a real opaque identifier (i.e. a UUID)
+		var userId string
 		// GET user data
+		err = stmt.QueryRowContext(r.Context(), loginInfo.Email, password).Scan(&userId)
+		switch {
+		case err == sql.ErrNoRows:
+			errors := map[string]string{
+				"Form": h.messageCatalog.LookupMessage(
+					"WrongOrLockedUserOrInvalidPassword",
+					nil,
+					localizer,
+				),
+			}
+			h.renderLoginForm(w, r, errors, &loginInfo, localizer)
+			return
+		case err != nil:
+			h.logger.Errorf("error performing login SQL: %v", err)
+			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+			return
+		default:
 			// finish login and redirect to target
-		// TODO: get or generate a user id
-		subject := "a-user-with-an-id"
 			loginRequest, err := h.adminClient.AcceptLoginRequest(
 				admin.NewAcceptLoginRequestParams().WithLoginChallenge(challenge).WithBody(&models.AcceptLoginRequest{
-				Acr:         string(NoCredentials),
+					Acr:         string(Password),
 					Remember:    true,
 					RememberFor: 0,
-				Subject:     &subject,
+					Subject:     &userId,
 				}).WithTimeout(time.Second * 10))
 			if err != nil {
 				h.logger.Errorf("error getting login request: %#v", err)
@@ -120,6 +139,7 @@ func (h *loginHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			}
 			w.Header().Add("Location", *loginRequest.GetPayload().RedirectTo)
 			w.WriteHeader(http.StatusFound)
+		}
 		break
 	default:
 		http.Error(w, http.StatusText(http.StatusMethodNotAllowed), http.StatusMethodNotAllowed)
@@ -127,6 +147,27 @@ func (h *loginHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func (h *loginHandler) renderLoginForm(w http.ResponseWriter, r *http.Request, errors map[string]string, info *LoginInformation, localizer *i18n.Localizer) {
+	trans := func(label string) string {
+		return h.messageCatalog.LookupMessage(label, nil, localizer)
+	}
+
+	err := h.loginTemplate.Lookup("base").Execute(w, map[string]interface{}{
+		"Title":          trans("LoginTitle"),
+		csrf.TemplateTag: csrf.TemplateField(r),
+		"LabelEmail":     trans("LabelEmail"),
+		"LabelPassword":  trans("LabelPassword"),
+		"LabelLogin":     trans("LabelLogin"),
+		"Email":          info.Email,
+		"errors":         errors,
+	})
+	if err != nil {
+		h.logger.Error(err)
+		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+		return
+	}
+}
+
 func NewLoginHandler(ctx context.Context, logger *log.Logger) (*loginHandler, error) {
 	loginTemplate, err := template.ParseFiles(
 		"templates/idp/base.gohtml", "templates/idp/login.gohtml")
@@ -136,6 +177,7 @@ func NewLoginHandler(ctx context.Context, logger *log.Logger) (*loginHandler, er
 	return &loginHandler{
 		adminClient:    ctx.Value(CtxAdminClient).(*admin.Client),
 		bundle:         commonServices.GetI18nBundle(ctx),
+		context:        ctx,
 		logger:         logger,
 		loginTemplate:  loginTemplate,
 		messageCatalog: commonServices.GetMessageCatalog(ctx),

idp/handlers/logout.go

@@ -39,7 +39,7 @@ func (h *logoutHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusFound)
 }
 
-func NewLogoutHandler(logger *log.Logger, ctx context.Context) *logoutHandler {
+func NewLogoutHandler(ctx context.Context, logger *log.Logger) *logoutHandler {
 	return &logoutHandler{
 		logger:      logger,
 		adminClient: ctx.Value(CtxAdminClient).(*admin.Client),

idp/services/database.go

@@ -0,0 +1,46 @@
+package services
+
+import (
+	"context"
+	"time"
+
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/jmoiron/sqlx"
+)
+
+type dbContextKey int
+
+const (
+	ctxDbConnection dbContextKey = iota
+)
+
+type DatabaseParams struct {
+	ConnMaxLifeTime    time.Duration
+	DSN                string
+	MaxOpenConnections int
+	MaxIdleConnections int
+}
+
+func NewDatabaseParams(dsn string) *DatabaseParams {
+	return &DatabaseParams{
+		DSN:                dsn,
+		ConnMaxLifeTime:    time.Minute * 3,
+		MaxOpenConnections: 10,
+		MaxIdleConnections: 10,
+	}
+}
+
+func InitDatabase(ctx context.Context, params *DatabaseParams) (context.Context, error) {
+	db, err := sqlx.Connect("mysql", params.DSN)
+	if err != nil {
+		return nil, err
+	}
+	db.SetConnMaxLifetime(params.ConnMaxLifeTime)
+	db.SetMaxOpenConns(params.MaxOpenConnections)
+	db.SetMaxIdleConns(params.MaxIdleConnections)
+	return context.WithValue(ctx, ctxDbConnection, db), nil
+}
+
+func GetDb(ctx context.Context) *sqlx.DB {
+	return ctx.Value(ctxDbConnection).(*sqlx.DB)
+}

idp/services/i18n.go

@@ -66,5 +66,9 @@ func AddMessages(ctx context.Context) {
 		ID:    "Scope-email-Description",
 		Other: "Access your primary email address.",
 	}
+	messages["WrongOrLockedUserOrInvalidPassword"] = &i18n.Message{
+		ID:    "WrongOrLockedUserOrInvalidPassword",
+		Other: "You entered an invalid username or password or your account has been locked.",
+	}
 	services.GetMessageCatalog(ctx).AddMessages(messages)
 }

templates/idp/login.gohtml

@@ -1,6 +1,7 @@
 {{ define "content" }}
     <form method="post">
         {{ .csrfField }}
+        {{ if .errors.Form}}<p>{{ .errors.Form }}</p>{{ end }}
         {{ if .errors.Email }}<p>{{ .errors.Email }}</p>{{ end }}
         <label for="email">{{ .LabelEmail }}</label>
         <input type="text" id="email" name="email" value="{{ .Email }}"/><br/>

translate.de.toml

@@ -1,16 +1,3 @@
-[IndexGreeting]
+[WrongOrLockedUserOrInvalidPassword]
-hash = "sha1-d4a13058e497fa24143ea96d50d82b818455ef61"
+hash = "sha1-87e0a0ac67c6c3a06bed184e10b22aae4d075b64"
-other = "Hallo {{ .User }}"
+other = "Du hast einen ungültigen Nutzernamen oder ein ungültiges Passwort eingegeben oder dein Benutzerkonto wurde gesperrt."
-
-[IndexIntroductionText]
-hash = "sha1-c2c530e263fc9c38482338ed290aafb496794179"
-other = "Das ist eine zugriffsgeschützte Resource"
-
-[IndexTitle]
-hash = "sha1-eccb2b889c068d3f25496c1dad3fb0f88d021bd9"
-other = "Willkommen in der Demo-Anwendung"
-
-[LogoutLabel]
-description = "A label on a logout button or link"
-hash = "sha1-8acfdeb9a8286f00c8e5dd48471cfdc994807579"
-other = "Ausloggen"