diff --git a/middleware/share_preview.go b/middleware/share_preview.go
index 1537dfff..4f312357 100644
--- a/middleware/share_preview.go
+++ b/middleware/share_preview.go
@@ -216,7 +216,14 @@ func loadShareForOG(c *gin.Context, shareID int, password string) (*explorer.Sha
 
 func renderOGHTML(data *ogData) string {
 	var buf bytes.Buffer
-	if err := ogTemplate.Execute(&buf, data); err != nil {
+	if err := ogTemplate.Execute(&buf, map[string]string{
+		"SiteName":    data.SiteName,
+		"Title":       data.Title,
+		"Description": data.Description,
+		"ImageURL":    data.ImageURL,
+		"ShareURL":    data.ShareURL,
+		"RedirectURL": data.RedirectURL,
+	}); err != nil {
 		return ""
 	}
 	return buf.String()
diff --git a/pkg/email/template.go b/pkg/email/template.go
index 213c092c..5813e891 100644
--- a/pkg/email/template.go
+++ b/pkg/email/template.go
@@ -44,7 +44,7 @@ func NewResetEmail(ctx context.Context, settings setting.Provider, user *ent.Use
 	}
 
 	var resTitle strings.Builder
-	err = tmplTitle.Execute(&resTitle, resetCtx)
+	err = tmplTitle.Execute(&resTitle, resetCtx.templateData())
 	if err != nil {
 		return "", "", fmt.Errorf("failed to execute email title: %w", err)
 	}
@@ -55,7 +55,7 @@ func NewResetEmail(ctx context.Context, settings setting.Provider, user *ent.Use
 	}
 
 	var resBody strings.Builder
-	err = tmplBody.Execute(&resBody, resetCtx)
+	err = tmplBody.Execute(&resBody, resetCtx.templateData())
 	if err != nil {
 		return "", "", fmt.Errorf("failed to execute email template: %w", err)
 	}
@@ -90,7 +90,7 @@ func NewActivationEmail(ctx context.Context, settings setting.Provider, user *en
 	}
 
 	var resTitle strings.Builder
-	err = tmplTitle.Execute(&resTitle, activationCtx)
+	err = tmplTitle.Execute(&resTitle, activationCtx.templateData())
 	if err != nil {
 		return "", "", fmt.Errorf("failed to execute email title: %w", err)
 	}
@@ -101,7 +101,7 @@ func NewActivationEmail(ctx context.Context, settings setting.Provider, user *en
 	}
 
 	var resBody strings.Builder
-	err = tmplBody.Execute(&resBody, activationCtx)
+	err = tmplBody.Execute(&resBody, activationCtx.templateData())
 	if err != nil {
 		return "", "", fmt.Errorf("failed to execute email template: %w", err)
 	}
@@ -112,24 +112,57 @@ func NewActivationEmail(ctx context.Context, settings setting.Provider, user *en
 func commonContext(ctx context.Context, settings setting.Provider) *CommonContext {
 	logo := settings.Logo(ctx)
 	siteUrl := settings.SiteURL(ctx)
-	res := &CommonContext{
-		SiteBasic: settings.SiteBasic(ctx),
-		Logo:      settings.Logo(ctx),
-		SiteUrl:   siteUrl.String(),
-	}
+	resolvedLogo := *logo
 
 	// Add site url if logo is not an url
 	if !strings.HasPrefix(logo.Light, "http") {
 		logoPath, _ := url.Parse(logo.Light)
-		res.Logo.Light = siteUrl.ResolveReference(logoPath).String()
+		resolvedLogo.Light = siteUrl.ResolveReference(logoPath).String()
 	}
 
 	if !strings.HasPrefix(logo.Normal, "http") {
 		logoPath, _ := url.Parse(logo.Normal)
-		res.Logo.Normal = siteUrl.ResolveReference(logoPath).String()
+		resolvedLogo.Normal = siteUrl.ResolveReference(logoPath).String()
+	}
+
+	return &CommonContext{
+		SiteBasic: settings.SiteBasic(ctx),
+		Logo:      &resolvedLogo,
+		SiteUrl:   siteUrl.String(),
+	}
+}
+
+func (c *CommonContext) templateData() map[string]any {
+	return map[string]any{
+		"SiteBasic": map[string]string{
+			"Name":        c.SiteBasic.Name,
+			"Title":       c.SiteBasic.Title,
+			"ID":          c.SiteBasic.ID,
+			"Description": c.SiteBasic.Description,
+			"Script":      c.SiteBasic.Script,
+		},
+		"Logo": map[string]string{
+			"Normal": c.Logo.Normal,
+			"Light":  c.Logo.Light,
+		},
+		"SiteUrl": c.SiteUrl,
+	}
+}
+
+func (c ResetContext) templateData() map[string]any {
+	return map[string]any{
+		"CommonContext": c.CommonContext.templateData(),
+		"User":          c.User,
+		"Url":           c.Url,
 	}
+}
 
-	return res
+func (c ActivationContext) templateData() map[string]any {
+	return map[string]any{
+		"CommonContext": c.CommonContext.templateData(),
+		"User":          c.User,
+		"Url":           c.Url,
+	}
 }
 
 func selectTemplate(templates []setting.EmailTemplate, u *ent.User) setting.EmailTemplate {
@@ -144,4 +177,4 @@ func selectTemplate(templates []setting.EmailTemplate, u *ent.User) setting.Emai
 	}
 
 	return selected
-}
\ No newline at end of file
+}
diff --git a/service/explorer/entity.go b/service/explorer/entity.go
index d182a26f..2b0a2c6c 100644
--- a/service/explorer/entity.go
+++ b/service/explorer/entity.go
@@ -56,8 +56,8 @@ func (s *EntityDownloadService) Serve(c *gin.Context) error {
 type (
 	SetCurrentVersionParamCtx struct{}
 	SetCurrentVersionService  struct {
-		Uri     string `uri:"uri" binding:"required"`
-		Version string `uri:"version" binding:"required"`
+		Uri     string `json:"uri" uri:"uri" binding:"required"`
+		Version string `json:"version" uri:"version" binding:"required"`
 	}
 )
 
@@ -88,8 +88,8 @@ func (s *SetCurrentVersionService) Set(c *gin.Context) error {
 type (
 	DeleteVersionParamCtx struct{}
 	DeleteVersionService  struct {
-		Uri     string `uri:"uri" binding:"required"`
-		Version string `uri:"version" binding:"required"`
+		Uri     string `json:"uri" uri:"uri" binding:"required"`
+		Version string `json:"version" uri:"version" binding:"required"`
 	}
 )
 
diff --git a/service/explorer/response.go b/service/explorer/response.go
index f4084f54..92de9bb5 100644
--- a/service/explorer/response.go
+++ b/service/explorer/response.go
@@ -59,8 +59,8 @@ func BuildArchiveListFilesResponse(files []manager.ArchivedFile) *ArchiveListFil
 }
 
 type PutRelativeResponse struct {
-	Name string
-	Url  string
+	Name string `json:"Name"`
+	Url  string `json:"Url"`
 }
 
 type DirectLinkResponse struct {
@@ -196,45 +196,45 @@ func BuildUploadSessionResponse(session *fs.UploadCredential, hasher hashid.Enco
 // WopiFileInfo Response for `CheckFileInfo`
 type WopiFileInfo struct {
 	// Required
-	BaseFileName string
-	Version      string
-	Size         int64
+	BaseFileName string `json:"BaseFileName"`
+	Version      string `json:"Version"`
+	Size         int64  `json:"Size"`
 
 	// Breadcrumb
-	BreadcrumbBrandName  string
-	BreadcrumbBrandUrl   string
-	BreadcrumbFolderName string
-	BreadcrumbFolderUrl  string
+	BreadcrumbBrandName  string `json:"BreadcrumbBrandName"`
+	BreadcrumbBrandUrl   string `json:"BreadcrumbBrandUrl"`
+	BreadcrumbFolderName string `json:"BreadcrumbFolderName"`
+	BreadcrumbFolderUrl  string `json:"BreadcrumbFolderUrl"`
 
 	// Post Message
-	FileSharingPostMessage bool
-	FileVersionPostMessage bool
-	ClosePostMessage       bool
-	PostMessageOrigin      string
+	FileSharingPostMessage bool   `json:"FileSharingPostMessage"`
+	FileVersionPostMessage bool   `json:"FileVersionPostMessage"`
+	ClosePostMessage       bool   `json:"ClosePostMessage"`
+	PostMessageOrigin      string `json:"PostMessageOrigin"`
 
 	// Other miscellaneous properties
-	FileNameMaxLength int
-	LastModifiedTime  string
+	FileNameMaxLength int    `json:"FileNameMaxLength"`
+	LastModifiedTime  string `json:"LastModifiedTime"`
 
 	// User metadata
-	IsAnonymousUser  bool
-	UserFriendlyName string
-	UserId           string
-	OwnerId          string
+	IsAnonymousUser  bool   `json:"IsAnonymousUser"`
+	UserFriendlyName string `json:"UserFriendlyName"`
+	UserId           string `json:"UserId"`
+	OwnerId          string `json:"OwnerId"`
 
 	// Permission
-	ReadOnly                bool
-	UserCanRename           bool
-	UserCanReview           bool
-	UserCanWrite            bool
-	UserCanNotWriteRelative bool
-
-	SupportsRename    bool
-	SupportsReviewing bool
-	SupportsUpdate    bool
-	SupportsLocks     bool
-
-	EnableShare bool
+	ReadOnly                bool `json:"ReadOnly"`
+	UserCanRename           bool `json:"UserCanRename"`
+	UserCanReview           bool `json:"UserCanReview"`
+	UserCanWrite            bool `json:"UserCanWrite"`
+	UserCanNotWriteRelative bool `json:"UserCanNotWriteRelative"`
+
+	SupportsRename    bool `json:"SupportsRename"`
+	SupportsReviewing bool `json:"SupportsReviewing"`
+	SupportsUpdate    bool `json:"SupportsUpdate"`
+	SupportsLocks     bool `json:"SupportsLocks"`
+
+	EnableShare bool `json:"EnableShare"`
 }
 
 type ViewerSessionResponse struct {
diff --git a/service/explorer/upload.go b/service/explorer/upload.go
index cc12c377..4332a110 100644
--- a/service/explorer/upload.go
+++ b/service/explorer/upload.go
@@ -30,7 +30,7 @@ type (
 		Metadata            map[string]string `json:"metadata" binding:"max=256"`
 		EntityType          string            `json:"entity_type" binding:"eq=|eq=live_photo|eq=version"`
 		EncryptionSupported []types.Cipher    `json:"encryption_supported"`
-		Previous            string            `form:"previous"`
+		Previous            string            `json:"previous" form:"previous"`
 	}
 )