Refactor configuration

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/probod/connector_config.go

@@ -15,6 +15,7 @@
 package probod
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
 	"strings"
@@ -27,6 +28,7 @@ type (
 		Provider string                 `json:"provider"`
 		Protocol connector.ProtocolType `json:"protocol"`
 		Config   connector.Connector    `json:"-"`
+		Settings any                    `json:"-"`
 	}
 
 	connectorConfigOAuth2 struct {
@@ -39,24 +41,46 @@ type (
 	}
 )
 
+func (c *config) GetSlackSigningSecret() string {
+	for _, conn := range c.Connectors {
+		if conn.Provider == "SLACK" {
+			if settings, ok := conn.Settings.(map[string]any); ok {
+				if signingSecret, ok := settings["signing-secret"].(string); ok {
+					return signingSecret
+				}
+			}
+		}
+	}
+	return ""
+}
+
 func (c *connectorConfig) UnmarshalJSON(data []byte) error {
 	var tmp struct {
 		Provider  string          `json:"provider"`
 		Protocol  string          `json:"protocol"`
 		RawConfig json.RawMessage `json:"config"`
+		Settings  json.RawMessage `json:"settings"`
 	}
 
-	if err := json.Unmarshal(data, &tmp); err != nil {
+	if err := json.NewDecoder(bytes.NewReader(data)).Decode(&tmp); err != nil {
 		return fmt.Errorf("cannot unmarshal connector config: %w", err)
 	}
 
 	c.Provider = strings.ToUpper(tmp.Provider)
 	c.Protocol = connector.ProtocolType(strings.ToUpper(tmp.Protocol))
 
+	if len(tmp.Settings) > 0 {
+		var settings map[string]any
+		if err := json.NewDecoder(bytes.NewReader(tmp.Settings)).Decode(&settings); err != nil {
+			return fmt.Errorf("cannot unmarshal settings: %w", err)
+		}
+		c.Settings = settings
+	}
+
 	switch c.Protocol {
 	case connector.ProtocolOAuth2:
 		var config connectorConfigOAuth2
-		if err := json.Unmarshal(tmp.RawConfig, &config); err != nil {
+		if err := json.NewDecoder(bytes.NewReader(tmp.RawConfig)).Decode(&config); err != nil {
 			return fmt.Errorf("cannot unmarshal oauth2 connector config: %w", err)
 		}
 

pkg/probod/mailer_config.go

@@ -16,9 +16,10 @@ package probod
 
 type (
 	mailerConfig struct {
-		SenderName  string     `json:"sender-name"`
-		SenderEmail string     `json:"sender-email"`
-		SMTP        smtpConfig `json:"smtp"`
+		MailerInterval int        `json:"mailer-interval"`
+		SenderName     string     `json:"sender-name"`
+		SenderEmail    string     `json:"sender-email"`
+		SMTP           smtpConfig `json:"smtp"`
 	}
 
 	smtpConfig struct {

pkg/probod/notifications_config.go

@@ -0,0 +1,20 @@
+// 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
+
+type notificationsConfig struct {
+	Mailer mailerConfig `json:"mailer"`
+	Slack  slackConfig  `json:"slack"`
+}

pkg/probod/probod.go

@@ -72,8 +72,7 @@ type (
 		TrustAuth     trustAuthConfig      `json:"trust-auth"`
 		TrustCenter   trustCenterConfig    `json:"trust-center"`
 		AWS           awsConfig            `json:"aws"`
-		Mailer        mailerConfig         `json:"mailer"`
-		Slack         slackConfig          `json:"slack"`
+		Notifications notificationsConfig  `json:"notifications"`
 		Connectors    []connectorConfig    `json:"connectors"`
 		OpenAI        openaiConfig         `json:"openai"`
 		ChromeDPAddr  string               `json:"chrome-dp-addr"`
@@ -138,15 +137,18 @@ func New() *Implm {
 				Region: "us-east-1",
 				Bucket: "probod",
 			},
-			Mailer: mailerConfig{
-				SenderEmail: "no-reply@notification.getprobo.com",
-				SenderName:  "Probo",
-				SMTP: smtpConfig{
-					Addr: "localhost:1025",
+			Notifications: notificationsConfig{
+				Mailer: mailerConfig{
+					MailerInterval: 60,
+					SenderEmail:    "no-reply@notification.getprobo.com",
+					SenderName:     "Probo",
+					SMTP: smtpConfig{
+						Addr: "localhost:1025",
+					},
+				},
+				Slack: slackConfig{
+					SenderInterval: 60,
 				},
-			},
-			Slack: slackConfig{
-				SenderInterval: 60,
 			},
 			CustomDomains: customDomainsConfig{
 				RenewalInterval:   3600,
@@ -346,7 +348,7 @@ func (impl *Implm) Run(
 		impl.cfg.Hostname,
 		impl.cfg.EncryptionKey,
 		impl.cfg.TrustAuth.TokenSecret,
-		impl.cfg.Slack.SigningSecret,
+		impl.cfg.GetSlackSigningSecret(),
 		authService,
 		html2pdfConverter,
 		fileManagerService,
@@ -405,13 +407,14 @@ func (impl *Implm) Run(
 
 	mailerCtx, stopMailer := context.WithCancel(context.Background())
 	mailer := mailer.NewMailer(pgClient, l, mailer.Config{
-		SenderEmail: impl.cfg.Mailer.SenderEmail,
-		SenderName:  impl.cfg.Mailer.SenderName,
-		Addr:        impl.cfg.Mailer.SMTP.Addr,
-		User:        impl.cfg.Mailer.SMTP.User,
-		Password:    impl.cfg.Mailer.SMTP.Password,
-		TLSRequired: impl.cfg.Mailer.SMTP.TLSRequired,
+		SenderEmail: impl.cfg.Notifications.Mailer.SenderEmail,
+		SenderName:  impl.cfg.Notifications.Mailer.SenderName,
+		Addr:        impl.cfg.Notifications.Mailer.SMTP.Addr,
+		User:        impl.cfg.Notifications.Mailer.SMTP.User,
+		Password:    impl.cfg.Notifications.Mailer.SMTP.Password,
+		TLSRequired: impl.cfg.Notifications.Mailer.SMTP.TLSRequired,
 		Timeout:     time.Second * 10,
+		Interval:    time.Duration(impl.cfg.Notifications.Mailer.MailerInterval) * time.Second,
 	})
 	wg.Go(
 		func() {
@@ -423,7 +426,7 @@ func (impl *Implm) Run(
 
 	slackSenderCtx, stopSlackSender := context.WithCancel(context.Background())
 	slackSender := slack.NewSender(pgClient, l.Named("slack-sender"), impl.cfg.EncryptionKey, slack.Config{
-		Interval: time.Duration(impl.cfg.Slack.SenderInterval) * time.Second,
+		Interval: time.Duration(impl.cfg.Notifications.Slack.SenderInterval) * time.Second,
 	})
 	wg.Go(
 		func() {