Add connector config support

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/probod/connector_config.go

@@ -0,0 +1,75 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package probod
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/getprobo/probo/pkg/connector"
+)
+
+type (
+	connectorConfig struct {
+		Name   string              `json:"name"`
+		Type   string              `json:"type"`
+		Config connector.Connector `json:"-"`
+	}
+
+	connectorOAuth2Config struct {
+		ClientID     string   `json:"client-id"`
+		ClientSecret string   `json:"client-secret"`
+		RedirectURI  string   `json:"redirect-uri"`
+		Scopes       []string `json:"scopes"`
+		AuthURL      string   `json:"auth-url"`
+		TokenURL     string   `json:"token-url"`
+	}
+)
+
+func (c *connectorConfig) UnmarshalJSON(data []byte) error {
+	var tmp struct {
+		Name      string          `json:"name"`
+		Type      string          `json:"type"`
+		RawConfig json.RawMessage `json:"config"`
+	}
+
+	if err := json.Unmarshal(data, &tmp); err != nil {
+		return fmt.Errorf("cannot unmarshal connector config: %w", err)
+	}
+
+	c.Name = tmp.Name
+	c.Type = tmp.Type
+
+	switch tmp.Type {
+	case "oauth2":
+		var cfg connectorOAuth2Config
+		if err := json.Unmarshal(tmp.RawConfig, &cfg); err != nil {
+			return fmt.Errorf("cannot unmarshal oauth2 config: %w", err)
+		}
+
+		c.Config = &connector.OAuth2Connector{
+			ClientID:     cfg.ClientID,
+			ClientSecret: cfg.ClientSecret,
+			RedirectURI:  cfg.RedirectURI,
+			Scopes:       cfg.Scopes,
+			AuthURL:      cfg.AuthURL,
+			TokenURL:     cfg.TokenURL,
+		}
+	default:
+		return fmt.Errorf("unknown %q connector type: %s", tmp.Name, tmp.Type)
+	}
+
+	return nil
+}

pkg/probod/probod.go

@@ -25,6 +25,7 @@ import (
 
 	"github.com/aws/aws-sdk-go-v2/service/s3"
 	"github.com/getprobo/probo/pkg/awsconfig"
+	"github.com/getprobo/probo/pkg/connector"
 	"github.com/getprobo/probo/pkg/coredata"
 	"github.com/getprobo/probo/pkg/crypto/passwdhash"
 	"github.com/getprobo/probo/pkg/mailer"
@@ -48,12 +49,13 @@ type (
 	}
 
 	config struct {
-		Hostname string       `json:"hostname"`
+		Hostname   string            `json:"hostname"`
-		Pg       pgConfig     `json:"pg"`
+		Pg         pgConfig          `json:"pg"`
-		Api      apiConfig    `json:"api"`
+		Api        apiConfig         `json:"api"`
-		Auth     authConfig   `json:"auth"`
+		Auth       authConfig        `json:"auth"`
-		AWS      awsConfig    `json:"aws"`
+		AWS        awsConfig         `json:"aws"`
-		Mailer   mailerConfig `json:"mailer"`
+		Mailer     mailerConfig      `json:"mailer"`
+		Connectors []connectorConfig `json:"connectors"`
 	}
 )
 
@@ -174,6 +176,11 @@ func (impl *Implm) Run(
 		return fmt.Errorf("cannot create hashing profile: %w", err)
 	}
 
+	defaultConnectorRegistry := connector.NewConnectorRegistry()
+	for _, connector := range impl.cfg.Connectors {
+		defaultConnectorRegistry.Register(connector.Name, connector.Config)
+	}
+
 	usrmgrService, err := usrmgr.NewService(
 		ctx,
 		pgClient,
@@ -193,9 +200,10 @@ func (impl *Implm) Run(
 
 	serverHandler, err := server.NewServer(
 		server.Config{
-			AllowedOrigins: impl.cfg.Api.Cors.AllowedOrigins,
+			AllowedOrigins:    impl.cfg.Api.Cors.AllowedOrigins,
-			Probo:          proboService,
+			Probo:             proboService,
-			Usrmgr:         usrmgrService,
+			Usrmgr:            usrmgrService,
+			ConnectorRegistry: defaultConnectorRegistry,
 			Auth: console_v1.AuthConfig{
 				CookieName:      impl.cfg.Auth.Cookie.Name,
 				CookieDomain:    impl.cfg.Auth.Cookie.Domain,