initial commit; working state

db/models.go

@@ -0,0 +1,31 @@
+package db
+
+import (
+	"time"
+)
+
+type Paste struct {
+	ID             string    `json:"id"`
+	Text           string    `json:"-"`
+	EncryptedBytes []byte    `json:"-"`
+	Key            string    `json:"-"`
+	CreatedAt      time.Time `json:"createdAt"`
+	ExpiresAt      time.Time `json:"expiresAt"`
+}
+
+func NewEncryptedPaste(text string, expiresAt time.Time) (*Paste, error) {
+	key := randomKey()
+	encryptedText, err := encrypt(text, key)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Paste{
+		ID:             randomKey(),
+		Text:           text,
+		EncryptedBytes: encryptedText,
+		Key:            key,
+		CreatedAt:      time.Now(),
+		ExpiresAt:      expiresAt,
+	}, nil
+}