57 lines
1.9 KiB
Go
57 lines
1.9 KiB
Go
// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package probod
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import (
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"encoding/base64"
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"fmt"
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)
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type (
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authConfig struct {
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// Pepper is a secret key used for password hashing
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// It should be at least 32 bytes long
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Pepper string `json:"pepper"`
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SessionDuration int `json:"session-duration"`
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CookieName string `json:"cookie-name"`
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CookieSecure bool `json:"cookie-secure"`
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CookieHTTPOnly bool `json:"cookie-http-only"`
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CookieDomain string `json:"cookie-domain"`
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CookiePath string `json:"cookie-path"`
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}
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)
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// GetPepperBytes returns the pepper as a byte array
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func (c authConfig) GetPepperBytes() ([]byte, error) {
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if c.Pepper == "" {
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return nil, fmt.Errorf("pepper cannot be empty")
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}
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// If the pepper is base64 encoded, decode it
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if decoded, err := base64.StdEncoding.DecodeString(c.Pepper); err == nil {
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if len(decoded) < 32 {
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return nil, fmt.Errorf("decoded pepper must be at least 32 bytes long")
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}
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return decoded, nil
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}
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// Otherwise use the raw string as the pepper
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if len(c.Pepper) < 32 {
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return nil, fmt.Errorf("pepper must be at least 32 bytes long")
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}
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return []byte(c.Pepper), nil
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}
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