103 lines
2.9 KiB
Go
103 lines
2.9 KiB
Go
package entities
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import (
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"git.infra.nkode.tech/dkelly/nkode-core/config"
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"git.infra.nkode.tech/dkelly/nkode-core/security"
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"git.infra.nkode.tech/dkelly/nkode-core/sqlc"
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"git.infra.nkode.tech/dkelly/nkode-core/utils"
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"github.com/DonovanKelly/sugar-n-spice/set"
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"github.com/google/uuid"
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)
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type Customer struct {
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ID CustomerID
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NKodePolicy NKodePolicy
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Attributes CustomerAttributes
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}
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func NewCustomer(nkodePolicy NKodePolicy) (*Customer, error) {
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customerAttrs, err := NewCustomerAttributes()
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if err != nil {
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return nil, err
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}
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customer := Customer{
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ID: CustomerID(uuid.New()),
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NKodePolicy: nkodePolicy,
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Attributes: *customerAttrs,
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}
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return &customer, nil
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}
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func (c *Customer) IsValidNKode(kp KeypadDimension, passcodeAttrIdx []int) error {
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nkodeLen := len(passcodeAttrIdx)
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if nkodeLen < c.NKodePolicy.MinNkodeLen || nkodeLen > c.NKodePolicy.MaxNkodeLen {
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return config.ErrInvalidNKodeLength
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}
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if validIdx := kp.ValidateAttributeIndices(passcodeAttrIdx); !validIdx {
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return config.ErrInvalidNKodeIdx
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}
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passcodeSetVals := make(set.Set[uint64])
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passcodeAttrVals := make(set.Set[uint64])
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attrVals, err := c.Attributes.AttrValsForKp(kp)
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if err != nil {
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return err
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}
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for idx := 0; idx < nkodeLen; idx++ {
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attrVal := attrVals[passcodeAttrIdx[idx]]
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setVal, err := c.Attributes.GetAttrSetVal(attrVal, kp)
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if err != nil {
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return err
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}
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passcodeSetVals.Add(setVal)
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passcodeAttrVals.Add(attrVal)
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}
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if passcodeSetVals.Size() < c.NKodePolicy.DistinctSets {
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return config.ErrTooFewDistinctSet
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}
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if passcodeAttrVals.Size() < c.NKodePolicy.DistinctAttributes {
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return config.ErrTooFewDistinctAttributes
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}
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return nil
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}
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func (c *Customer) RenewKeys() ([]uint64, []uint64, error) {
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oldAttrs := make([]uint64, len(c.Attributes.AttrVals))
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oldSets := make([]uint64, len(c.Attributes.SetVals))
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copy(oldAttrs, c.Attributes.AttrVals)
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copy(oldSets, c.Attributes.SetVals)
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if err := c.Attributes.Renew(); err != nil {
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return nil, nil, err
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}
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attrsXor, err := security.XorLists(oldAttrs, c.Attributes.AttrVals)
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if err != nil {
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return nil, nil, err
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}
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setXor, err := security.XorLists(oldSets, c.Attributes.SetVals)
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if err != nil {
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return nil, nil, err
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}
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return setXor, attrsXor, nil
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}
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func (c *Customer) ToSqlcCreateCustomerParams() sqlc.CreateCustomerParams {
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return sqlc.CreateCustomerParams{
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ID: uuid.UUID(c.ID).String(),
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MaxNkodeLen: int64(c.NKodePolicy.MaxNkodeLen),
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MinNkodeLen: int64(c.NKodePolicy.MinNkodeLen),
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DistinctSets: int64(c.NKodePolicy.DistinctSets),
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DistinctAttributes: int64(c.NKodePolicy.DistinctAttributes),
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LockOut: int64(c.NKodePolicy.LockOut),
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Expiration: int64(c.NKodePolicy.Expiration),
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AttributeValues: c.Attributes.AttrBytes(),
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SetValues: c.Attributes.SetBytes(),
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LastRenew: utils.TimeStamp(),
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CreatedAt: utils.TimeStamp(),
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}
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}
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