polyculeconnect/cmd/serve/serve.go

@@ -72,6 +72,7 @@ func serve() {
 	// 	- do a try-loop?
 	//	- only init when using them in a request?
 	for _, c := range backendConfs {
+		logger.L.Debugf("Initializing backend %s", c.Name)
 		b, err := client.New(context.Background(), c)
 		if err != nil {
 			utils.Failf("failed to init backend client: %s", err.Error())

polyculeconnect/go.sum

@@ -125,6 +125,8 @@ github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
 github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/jeremija/gosubmit v0.2.7 h1:At0OhGCFGPXyjPYAsCchoBUhE099pcBXmsb4iZqROIc=
+github.com/jeremija/gosubmit v0.2.7/go.mod h1:Ui+HS073lCFREXBbdfrJzMB57OI/bdxTiLtrDHHhFPI=
 github.com/jonboulle/clockwork v0.2.2 h1:UOGuzwb1PwsrDAObMuhUnj0p5ULPj8V/xJ7Kx9qUBdQ=
 github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
 github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=

polyculeconnect/internal/client/client.go

@@ -3,21 +3,37 @@ package client
 import (
 	"context"
 	"fmt"
+	"log/slog"
 
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/db"
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/model"
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/logger"
 	"github.com/zitadel/oidc/v3/pkg/client/rp"
+	"go.uber.org/zap"
+	"go.uber.org/zap/exp/zapslog"
 )
 
 type OIDCClient struct {
-	Conf     *model.Backend
+	conf *model.Backend
+
 	provider rp.RelyingParty
+	ctx      context.Context
+	st       db.Storage
+	l        *zap.SugaredLogger
 }
 
-func New(ctx context.Context, conf *model.Backend) (*OIDCClient, error) {
-	pr, err := rp.NewRelyingPartyOIDC(ctx, conf.OIDCConfig.Issuer, conf.OIDCConfig.ClientID, conf.OIDCConfig.ClientSecret, conf.OIDCConfig.RedirectURI, []string{})
+func New(ctx context.Context, conf *model.Backend, l *zap.SugaredLogger) (*OIDCClient, error) {
+	options := []rp.Option{
+		rp.WithLogger(slog.New(zapslog.NewHandler(logger.L.Desugar().Core(), nil))),
+	}
+	pr, err := rp.NewRelyingPartyOIDC(ctx, conf.OIDCConfig.Issuer, conf.OIDCConfig.ClientID, conf.OIDCConfig.ClientSecret, conf.OIDCConfig.RedirectURI, []string{}, options...)
 	if err != nil {
 		return nil, fmt.Errorf("failed to init relying party provider: %w", err)
 	}
 
-	return &OIDCClient{Conf: conf, provider: pr}, nil
+	return &OIDCClient{ctx: ctx, conf: conf, provider: pr, l: l}, nil
+}
+
+func (c *OIDCClient) toto() {
+	c.provider.GetDeviceAuthorizationEndpoint()
 }

polyculeconnect/internal/db/authrequest/authrequest.go

@@ -0,0 +1,77 @@
+package authrequest
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/model"
+	"github.com/google/uuid"
+)
+
+var ErrNotFound = errors.New("backend not found")
+
+const authRequestRows = `"id", "client_id", "backend_id", "scopes", "redirect_uri", "state", "nonce", "response_type", "creation_time"`
+
+type AuthRequestDB interface {
+	GetAuthRequestByID(ctx context.Context, id uuid.UUID) (*model.AuthRequest, error)
+	CreateAuthRequest(ctx context.Context, req model.AuthRequest) error
+}
+
+type sqlAuthRequestDB struct {
+	db *sql.DB
+}
+
+func (db *sqlAuthRequestDB) GetAuthRequestByID(ctx context.Context, id uuid.UUID) (*model.AuthRequest, error) {
+	query := fmt.Sprintf(`SELECT %s FROM "auth_request_2" WHERE "id" = ?`, authRequestRows)
+	row := db.db.QueryRowContext(ctx, query, id)
+
+	var res model.AuthRequest
+	var scopesStr []byte
+
+	if err := row.Scan(&res.ID, &res.ClientID, &res.BackendID, &scopesStr, &res.RedirectURI, &res.State, &res.Nonce, &res.ResponseType, &res.CreationDate); err != nil {
+		return nil, fmt.Errorf("failed to get auth request from DB: %w", err)
+	}
+	if err := json.Unmarshal(scopesStr, &res.Scopes); err != nil {
+		return nil, fmt.Errorf("invalid format for scopes: %w", err)
+	}
+
+	fmt.Println(res)
+
+	return &res, nil
+}
+
+func (db *sqlAuthRequestDB) CreateAuthRequest(ctx context.Context, req model.AuthRequest) error {
+	tx, err := db.db.BeginTx(ctx, nil)
+	if err != nil {
+		return fmt.Errorf("failed to start transaction: %w", err)
+	}
+	defer func() { _ = tx.Rollback() }()
+
+	scopesStr, err := json.Marshal(req.Scopes)
+	if err != nil {
+		return fmt.Errorf("failed to serialize scopes: %w", err)
+	}
+
+	query := fmt.Sprintf(`INSERT INTO "auth_request_2" (%s) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)`, authRequestRows)
+	_, err = tx.ExecContext(ctx, query,
+		req.ID, req.ClientID, req.BackendID,
+		scopesStr, req.RedirectURI, req.State,
+		req.Nonce, req.ResponseType, req.CreationDate, req.AuthTime,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to insert in DB: %w", err)
+	}
+
+	if err := tx.Commit(); err != nil {
+		return fmt.Errorf("failed to commit transaction: %w", err)
+	}
+
+	return nil
+}
+
+func New(db *sql.DB) *sqlAuthRequestDB {
+	return &sqlAuthRequestDB{db: db}
+}

polyculeconnect/internal/db/backend/backend.go

@@ -21,6 +21,7 @@ type scannable interface {
 type BackendDB interface {
 	GetAllBackends(ctx context.Context) ([]*model.Backend, error)
 
+	GetBackendByID(ctx context.Context, id uuid.UUID) (*model.Backend, error)
 	GetBackendByName(ctx context.Context, name string) (*model.Backend, error)
 
 	AddBackend(ctx context.Context, newBackend *model.Backend) error
@@ -50,6 +51,12 @@ func (db *sqlBackendDB) GetBackendByName(ctx context.Context, name string) (*mod
 	return backendFromRow(row)
 }
 
+func (db *sqlBackendDB) GetBackendByID(ctx context.Context, id uuid.UUID) (*model.Backend, error) {
+	query := fmt.Sprintf(`SELECT %s FROM "backend" WHERE "id" = ?`, backendRows)
+	row := db.db.QueryRowContext(ctx, query, id)
+	return backendFromRow(row)
+}
+
 func (db *sqlBackendDB) GetAllBackends(ctx context.Context) ([]*model.Backend, error) {
 	rows, err := db.db.QueryContext(ctx, fmt.Sprintf(`SELECT %s FROM "backend"`, backendRows))
 	if err != nil {

polyculeconnect/internal/db/base.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/config"
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/db/authrequest"
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/db/backend"
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/db/client"
 )
@@ -13,6 +14,7 @@ type Storage interface {
 	DB() *sql.DB
 	ClientStorage() client.ClientDB
 	BackendStorage() backend.BackendDB
+	AuthRequestStorage() authrequest.AuthRequestDB
 }
 
 type sqlStorage struct {
@@ -31,6 +33,10 @@ func (s *sqlStorage) BackendStorage() backend.BackendDB {
 	return backend.New(s.db)
 }
 
+func (s *sqlStorage) AuthRequestStorage() authrequest.AuthRequestDB {
+	return authrequest.New(s.db)
+}
+
 func New(conf config.AppConfig) (Storage, error) {
 	db, err := sql.Open("sqlite3", conf.StorageConfig.File)
 	if err != nil {

polyculeconnect/internal/model/authrequest.go

@@ -1,7 +1,6 @@
 package model
 
 import (
-	"fmt"
 	"strings"
 	"time"
 
@@ -29,6 +28,8 @@ type AuthRequest struct {
 	CodeChallengeMethod string
 
 	BackendID uuid.UUID
+	Backend   *Backend
+
 	UserID uuid.UUID
 	done   bool
 }
@@ -54,7 +55,7 @@ func (a AuthRequest) GetAuthTime() time.Time {
 }
 
 func (a AuthRequest) GetClientID() string {
-	return a.ClientID
+	return a.ID.String() // small hack since we actually need the AuthRequestID here
 }
 
 func (a AuthRequest) GetCodeChallenge() *oidc.CodeChallenge {
@@ -97,8 +98,6 @@ func (a AuthRequest) Done() bool {
 }
 
 func (a *AuthRequest) FromOIDCAuthRequest(req *oidc.AuthRequest, backendID uuid.UUID) {
-	fmt.Println(req)
-
 	a.ID = uuid.New()
 	a.ClientID = req.ClientID
 	a.Scopes = strings.Split(req.Scopes.String(), " ")
@@ -110,7 +109,4 @@ func (a *AuthRequest) FromOIDCAuthRequest(req *oidc.AuthRequest, backendID uuid.
 	a.CodeChallenge = req.CodeChallenge
 	a.CodeChallengeMethod = string(req.CodeChallengeMethod)
 	a.BackendID = backendID
-
-	fmt.Println(a)
-
 }

polyculeconnect/internal/model/client.go

@@ -49,12 +49,11 @@ func (c Client) GrantTypes() []oidc.GrantType {
 }
 
 func (c Client) LoginURL(authRequestID string) string {
-	// here we have the requestID, meaning we should:
-	//	- get the request from its ID
-	//	- get the associated backend
-	//	- build the correct URI to use as a redirection, which is from the backend
-	//	- afterwards would should basically handle it as a OIDC client
-	return authRequestID
+	if c.AuthRequest == nil {
+		return "" // we don't have a request, let's return nothing
+	}
+
+	return c.AuthRequest.Backend.OIDCConfig.Issuer
 }
 
 func (c Client) AccessTokenType() op.AccessTokenType {

polyculeconnect/internal/storage/storage.go

@@ -9,6 +9,7 @@ import (
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/db"
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/internal/model"
 	"github.com/go-jose/go-jose/v4"
+	"github.com/google/uuid"
 	"github.com/zitadel/oidc/v3/pkg/oidc"
 	"github.com/zitadel/oidc/v3/pkg/op"
 )
@@ -39,6 +40,10 @@ func (s *Storage) CreateAuthRequest(ctx context.Context, req *oidc.AuthRequest,
 	var opReq model.AuthRequest
 	opReq.FromOIDCAuthRequest(req, selectedBackend.ID)
 
+	if err := s.LocalStorage.AuthRequestStorage().CreateAuthRequest(ctx, opReq); err != nil {
+		return nil, fmt.Errorf("failed to save auth request: %w", err)
+	}
+
 	return opReq, nil
 }
 
@@ -98,13 +103,43 @@ func (s *Storage) KeySet(ctx context.Context) ([]op.Key, error) {
 	OP storage
 */
 
-func (s *Storage) GetClientByClientID(ctx context.Context, clientID string) (op.Client, error) {
-	clt, err := s.LocalStorage.ClientStorage().GetClientByID(ctx, clientID)
+func (s *Storage) getClientWithDetails(ctx context.Context, authRequestID uuid.UUID) (op.Client, error) {
+	authRequest, err := s.LocalStorage.AuthRequestStorage().GetAuthRequestByID(ctx, authRequestID)
 	if err != nil {
-		return nil, fmt.Errorf("failed to get client from local storage: %w", err)
+		return nil, fmt.Errorf("failed to get authRequest from local storage: %w", err)
+	}
+	backend, err := s.LocalStorage.BackendStorage().GetBackendByID(ctx, authRequest.BackendID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get associated backend from local storage: %w", err)
+	}
+	client, err := s.LocalStorage.ClientStorage().GetClientByID(ctx, authRequest.ClientID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get associated client from local storage: %w", err)
 	}
 
-	return clt, nil
+	authRequest.Backend = backend
+	client.AuthRequest = authRequest
+
+	return client, nil
+}
+
+// We're cheating a bit here since we're using the authrequest to get its associated client
+// but a request is always associated to a backend, and we really need both, so we have no
+// choice here. I'll maybe need to have a more elegant solution later, but not choice for now
+func (s *Storage) GetClientByClientID(ctx context.Context, id string) (op.Client, error) {
+
+	authRequestID, err := uuid.Parse(id)
+	if err != nil {
+		// it's not a UUID, it means this was called using client_id, we just return the client without details
+		client, err := s.LocalStorage.ClientStorage().GetClientByID(ctx, id)
+		if err != nil {
+			return nil, fmt.Errorf("failed to get client %s from local storage: %w", id, err)
+		}
+		return client, nil
+	}
+
+	// we have a UUID, it means we got a requestID, so we can get all details here
+	return s.getClientWithDetails(ctx, authRequestID)
 }
 
 func (s *Storage) AuthorizeClientIDSecret(ctx context.Context, clientID, clientSecret string) error {

polyculeconnect/migrations/1_create_auth_request.down.sql

@@ -0,0 +1 @@
+DROP TABLE "auth_request_2";

polyculeconnect/migrations/1_create_auth_request.up.sql

@@ -0,0 +1,11 @@
+CREATE TABLE "auth_request_2" (
+    id TEXT NOT NULL PRIMARY KEY,
+    client_id TEXT NOT NULL,
+    backend_id TEXT NOT NULL,
+    scopes blob NOT NULL, -- list of strings, json-encoded
+    redirect_uri TEXT NOT NULL,
+    state TEXT NOT NULL,
+    nonce TEXT NOT NULL,
+    response_type TEXT NOT NULL,
+    CREATION_TIME timestamp NOT NULL
+);