imc-vibe/backend/internal/db/imc_users.go
Christoph Haas b76ea568ae Remove ADMIN_PASSWORD configuration
Authentication now works only via hashed passwords in imc_users table.
Users must be created through the password reset flow or directly in the database.
2026-03-23 21:28:52 +01:00

217 lines
8.2 KiB
Go

package db
import "time"
// =============================================================================
// Admin User (ImcUser) Operations
// These functions manage admin users who can log into the web interface.
// =============================================================================
// GetImcUserByUsername looks up an admin user by their username.
// Returns the user with their associated domain permissions preloaded.
// username: the username to search for.
// Returns: the user and any error.
func (d *DB) GetImcUserByUsername(username string) (*ImcUser, error) {
var user ImcUser
// Preload loads related data (Domains) to avoid N+1 queries.
// Where creates a SQL WHERE clause, ? is a placeholder for the username.
if err := d.Preload("Domains.Domain").Where("username = ?", username).First(&user).Error; err != nil {
return nil, err // Return nil user and the error
}
return &user, nil
}
// GetImcUserByID looks up an admin user by their ID.
// Returns the user with their associated domain permissions preloaded.
// id: the user's primary key ID.
// Returns: the user and any error.
func (d *DB) GetImcUserByID(id uint) (*ImcUser, error) {
var user ImcUser
// First(&user, id) looks up by primary key.
if err := d.Preload("Domains.Domain").First(&user, id).Error; err != nil {
return nil, err
}
return &user, nil
}
// CreateImcUser creates a new admin user account.
// username: the login username (must be unique).
// passwordHash: the bcrypt hash of the password (NOT the plain password).
// role: "admin" or "user".
// Returns: the created user and any error.
func (d *DB) CreateImcUser(username, passwordHash, role string) (*ImcUser, error) {
user := ImcUser{
Username: username,
PasswordHash: passwordHash,
Role: role,
}
// Create inserts the record into the database.
if err := d.Create(&user).Error; err != nil {
return nil, err
}
return &user, nil
}
// UpdateImcUserPassword updates the password hash for a user.
// id: the user's ID.
// passwordHash: the new bcrypt hash of the password.
func (d *DB) UpdateImcUserPassword(id uint, passwordHash string) error {
// Model specifies which table/struct to update.
// Where filters which rows to update.
// Update only changes the specified fields.
return d.Model(&ImcUser{}).Where("id = ?", id).Update("password_hash", passwordHash).Error
}
// DeleteImcUser removes an admin user from the database.
// id: the user's ID to delete.
func (d *DB) DeleteImcUser(id uint) error {
return d.Delete(&ImcUser{}, id).Error // Delete by primary key
}
// =============================================================================
// Domain Access Control
// These functions manage which domains users can access.
// =============================================================================
// GetUserAccessibleDomains returns all domains a user can access.
// Admin users can access all domains; regular users only their assigned domains.
// userID: the ID of the user.
// isAdmin: whether the user has admin privileges.
// Returns: a list of accessible domains.
func (d *DB) GetUserAccessibleDomains(userID uint, isAdmin bool) ([]Domain, error) {
// Admins get access to all domains.
if isAdmin {
var domains []Domain
if err := d.Order("name ASC").Find(&domains).Error; err != nil {
return nil, err
}
return domains, nil
}
// Regular users query the imc_users2domains table.
// We use raw SQL with Joins because GORM's association methods
// don't handle our cross-database queries well.
var domains []Domain
err := d.Table("imc_users2domains"). // Query from this table
Select("virtual_domains.*"). // Select all columns from domains
Joins("JOIN virtual_domains ON virtual_domains.id = imc_users2domains.domain_id"). // Join to get domain details
Where("imc_users2domains.user_id = ?", userID). // Only this user's domains
Order("name ASC").
Find(&domains).Error
if err != nil {
return nil, err
}
if domains == nil {
domains = []Domain{} // Return empty slice, not nil
}
return domains, nil
}
// CanAccessDomain checks if a user can access a specific domain.
// userID: the ID of the user.
// domainName: the name of the domain (e.g., "example.org").
// isAdmin: whether the user has admin privileges.
// Returns: true if the user can access the domain, false otherwise.
func (d *DB) CanAccessDomain(userID uint, domainName string, isAdmin bool) (bool, error) {
// Admins can access all domains.
if isAdmin {
return true, nil
}
// Count matching records - if count > 0, access is granted.
var count int64
err := d.Table("imc_users2domains").
Select("COUNT(*)"). // Count matching rows
Joins("JOIN virtual_domains ON virtual_domains.id = imc_users2domains.domain_id"). // Join to domain table
Where("imc_users2domains.user_id = ? AND virtual_domains.name = ?", userID, domainName). // Match user and domain name
Count(&count).Error
if err != nil {
return false, err
}
return count > 0, nil // True if at least one match found
}
// AddUserToDomain grants a user access to a domain.
// userID: the ID of the user.
// domainID: the ID of the domain.
func (d *DB) AddUserToDomain(userID, domainID uint) error {
ud := ImcUserDomain{
UserID: userID,
DomainID: domainID,
}
return d.Create(&ud).Error
}
// RemoveUserFromDomain revokes a user's access to a domain.
// userID: the ID of the user.
// domainID: the ID of the domain.
func (d *DB) RemoveUserFromDomain(userID, domainID uint) error {
// Delete records matching both user_id and domain_id.
return d.Where("user_id = ? AND domain_id = ?", userID, domainID).Delete(&ImcUserDomain{}).Error
}
// GetUsersForDomain returns all admin users who can access a specific domain.
// domainID: the ID of the domain.
// Returns: a list of users who can access this domain.
func (d *DB) GetUsersForDomain(domainID uint) ([]ImcUser, error) {
var users []ImcUser
err := d.Table("imc_users2domains").
Select("imc_users.*"). // Select all columns from imc_users
Joins("JOIN imc_users ON imc_users.id = imc_users2domains.user_id"). // Join to users table
Where("imc_users2domains.domain_id = ?", domainID).
Find(&users).Error
if err != nil {
return nil, err
}
if users == nil {
users = []ImcUser{}
}
return users, nil
}
// IsUserInDomain checks if a user already has access to a domain.
// userID: the ID of the user.
// domainID: the ID of the domain.
// Returns: true if the user already has access, false otherwise.
func (d *DB) IsUserInDomain(userID, domainID uint) (bool, error) {
var count int64
err := d.Model(&ImcUserDomain{}).Where("user_id = ? AND domain_id = ?", userID, domainID).Count(&count).Error
return count > 0, err
}
// =============================================================================
// Password Reset Tokens
// These functions manage one-time tokens for password reset.
// =============================================================================
// CreatePasswordResetToken creates a new password reset token.
// userID: the ID of the user requesting password reset.
// token: the random token string.
// expiresAt: when this token becomes invalid.
func (d *DB) CreatePasswordResetToken(userID uint, token string, expiresAt time.Time) error {
resetToken := PasswordResetToken{
UserID: userID,
Token: token,
ExpiresAt: expiresAt,
}
return d.Create(&resetToken).Error
}
// GetValidPasswordResetToken looks up a valid (unused, not expired) reset token.
// token: the token string to look up.
// Returns: the token if valid, or an error if not found/expired/used.
func (d *DB) GetValidPasswordResetToken(token string) (*PasswordResetToken, error) {
var resetToken PasswordResetToken
// Check token exists, hasn't been used, and hasn't expired.
err := d.Where("token = ? AND used = false AND expires_at > ?", token, time.Now()).First(&resetToken).Error
if err != nil {
return nil, err
}
return &resetToken, nil
}
// MarkResetTokenUsed marks a token as used (prevents reuse).
// token: the token string to mark as used.
func (d *DB) MarkResetTokenUsed(token string) error {
return d.Model(&PasswordResetToken{}).Where("token = ?", token).Update("used", true).Error
}