64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package client
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import (
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"errors"
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"time"
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"github.com/altcha-org/altcha-lib-go"
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)
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type Client struct {
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hmacKey string
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maxNumber int64
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algorithm altcha.Algorithm
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salt string
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expire time.Duration
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checkExpire bool
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}
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func New(hmacKey string, maxNumber int64, algorithm string, salt string, expire time.Duration, checkExpire bool) (*Client, error) {
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if len(hmacKey) == 0 {
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return &Client{}, errors.New("HMAC key not found")
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}
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return &Client {
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hmacKey: hmacKey,
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maxNumber: maxNumber,
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algorithm: altcha.Algorithm(algorithm),
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salt: salt,
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expire: expire,
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checkExpire: checkExpire,
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}, nil
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}
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func (c *Client) Generate() (altcha.Challenge, error) {
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expiration := time.Now().Add(c.expire)
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options := altcha.ChallengeOptions{
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HMACKey: c.hmacKey,
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MaxNumber: c.maxNumber,
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Algorithm: c.algorithm,
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Expires: &expiration,
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}
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if len(c.salt) > 0 {
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options.Salt = c.salt
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}
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return altcha.CreateChallenge(options)
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}
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func (c *Client) Solve(challenge string) (*altcha.Solution, error) {
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return altcha.SolveChallenge(challenge, c.salt, c.algorithm, int(c.maxNumber), 0, make(<-chan struct{}))
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}
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func (c *Client) VerifySolution(payload interface{}) (bool, error) {
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return altcha.VerifySolution(payload, c.hmacKey, c.checkExpire)
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}
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func (c *Client) VerifyServerSignature(payload interface{}) (bool, altcha.ServerSignatureVerificationData, error) {
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return altcha.VerifyServerSignature(payload, c.hmacKey)
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}
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func (c *Client) VerifyFieldsHash(formData map[string][]string, fields []string, fieldsHash string) (bool, error) {
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return altcha.VerifyFieldsHash(formData, fields, fieldsHash, c.algorithm)
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} |