add: cors handler route and readme

internal/auth/jwt.go

@@ -34,16 +34,30 @@ type CustomClaims struct {
 	UserID    string `json:"user_id"`
 	Email     string `json:"email"`
 	Role      string `json:"role"`
+	UserName  string `json:"user_name"`
 	TokenType string `json:"token_type"` // access or refresh
+
+	// Patient-specific fields
+	PatientID       string `json:"patient_id,omitempty"`
+	PatientName     string `json:"patient_name,omitempty"`
+	AccessionNumber string `json:"accession_number,omitempty"`
+	StudyIUID       string `json:"study_iuid,omitempty"`
+
+	// Navigation and permissions
+	HomeURL   string `json:"home_url,omitempty"`
+	StudyList string `json:"study_list,omitempty"` // enabled or disabled
+	FilterURL string `json:"filter_url,omitempty"` // for ref_doctor filtering
+
 	jwt.RegisteredClaims
 }
 
-// GenerateAccessToken creates a new access token
-func (m *JWTManager) GenerateAccessToken(userID, email, role string) (string, error) {
+// GenerateAccessToken creates a new access token with role-specific claims
+func (m *JWTManager) GenerateAccessToken(userID, email, role, userName string, additionalClaims map[string]string) (string, error) {
 	claims := CustomClaims{
 		UserID:    userID,
 		Email:     email,
 		Role:      role,
+		UserName:  userName,
 		TokenType: "access",
 		RegisteredClaims: jwt.RegisteredClaims{
 			ExpiresAt: jwt.NewNumericDate(time.Now().Add(m.accessExpiry)),
@@ -51,16 +65,42 @@ func (m *JWTManager) GenerateAccessToken(userID, email, role string) (string, er
 		},
 	}
 
+	// Add role-specific additional claims
+	if additionalClaims != nil {
+		if val, ok := additionalClaims["patient_id"]; ok {
+			claims.PatientID = val
+		}
+		if val, ok := additionalClaims["patient_name"]; ok {
+			claims.PatientName = val
+		}
+		if val, ok := additionalClaims["accession_number"]; ok {
+			claims.AccessionNumber = val
+		}
+		if val, ok := additionalClaims["study_iuid"]; ok {
+			claims.StudyIUID = val
+		}
+		if val, ok := additionalClaims["home_url"]; ok {
+			claims.HomeURL = val
+		}
+		if val, ok := additionalClaims["study_list"]; ok {
+			claims.StudyList = val
+		}
+		if val, ok := additionalClaims["filter_url"]; ok {
+			claims.FilterURL = val
+		}
+	}
+
 	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
 	return token.SignedString([]byte(m.secretKey))
 }
 
-// GenerateRefreshToken creates a new refresh token
-func (m *JWTManager) GenerateRefreshToken(userID, email, role string) (string, error) {
+// GenerateRefreshToken creates a new refresh token with the same claims as access token
+func (m *JWTManager) GenerateRefreshToken(userID, email, role, userName string, additionalClaims map[string]string) (string, error) {
 	claims := CustomClaims{
 		UserID:    userID,
 		Email:     email,
 		Role:      role,
+		UserName:  userName,
 		TokenType: "refresh",
 		RegisteredClaims: jwt.RegisteredClaims{
 			ExpiresAt: jwt.NewNumericDate(time.Now().Add(m.refreshExpiry)),
@@ -68,6 +108,31 @@ func (m *JWTManager) GenerateRefreshToken(userID, email, role string) (string, e
 		},
 	}
 
+	// Add role-specific additional claims (same as access token)
+	if additionalClaims != nil {
+		if val, ok := additionalClaims["patient_id"]; ok {
+			claims.PatientID = val
+		}
+		if val, ok := additionalClaims["patient_name"]; ok {
+			claims.PatientName = val
+		}
+		if val, ok := additionalClaims["accession_number"]; ok {
+			claims.AccessionNumber = val
+		}
+		if val, ok := additionalClaims["study_iuid"]; ok {
+			claims.StudyIUID = val
+		}
+		if val, ok := additionalClaims["home_url"]; ok {
+			claims.HomeURL = val
+		}
+		if val, ok := additionalClaims["study_list"]; ok {
+			claims.StudyList = val
+		}
+		if val, ok := additionalClaims["filter_url"]; ok {
+			claims.FilterURL = val
+		}
+	}
+
 	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
 	return token.SignedString([]byte(m.secretKey))
 }