Allows users to choose their own password security level instead of enforcing a 12-character minimum. Users are adults.
43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package auth
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import (
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"fmt"
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"golang.org/x/crypto/bcrypt"
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)
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const (
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// BcryptCost is the cost factor for bcrypt hashing
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// Higher values are more secure but slower
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BcryptCost = 12
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// MinPasswordLength is the minimum required password length
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// Set to 1 to allow users to choose their own password security
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MinPasswordLength = 1
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)
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// HashPassword generates a bcrypt hash from a plain text password
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func HashPassword(password string) (string, error) {
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bytes, err := bcrypt.GenerateFromPassword([]byte(password), BcryptCost)
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if err != nil {
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return "", err
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}
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return string(bytes), nil
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}
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// CheckPasswordHash compares a plain text password with a hash
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func CheckPasswordHash(password, hash string) bool {
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err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
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return err == nil
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}
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// ValidatePasswordComplexity checks if a password meets complexity requirements
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func ValidatePasswordComplexity(password string) error {
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if len(password) < MinPasswordLength {
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return fmt.Errorf("password must be at least %d characters long", MinPasswordLength)
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}
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// That's it - let users choose their own passwords
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// No annoying character type requirements
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return nil
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}
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