ae9a71034d
Add HTTP /v1 MVC, TCP send path, groups with server-side member-avatar collage, object-storage upload, and friends/favorites around the architecture-v3 layout. Co-authored-by: Cursor <cursoragent@cursor.com>
32 lines
528 B
Go
32 lines
528 B
Go
package entity
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import (
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"strings"
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"github.com/teris-io/shortid"
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)
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const (
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qrTokenMin = 9
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qrTokenMax = 20
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)
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// NewQRCode is an opaque scan ticket from shortid. It is not uid, spark_id, or a Redis key.
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func NewQRCode() (string, error) {
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return shortid.Generate()
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}
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func ValidQRCode(s string) bool {
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s = strings.TrimSpace(s)
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n := len(s)
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if n < qrTokenMin || n > qrTokenMax {
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return false
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}
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for i := 0; i < n; i++ {
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if !strings.ContainsRune(shortid.DefaultABC, rune(s[i])) {
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return false
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}
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}
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return true
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}
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