74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
package oa
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import (
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"bytes"
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"context"
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"crypto/hmac"
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"io"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/go-kratos/kratos/v3/errors"
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"kra/internal/biz/business"
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"kra/internal/config"
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)
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type activationGateway struct {
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config *config.Store
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client *http.Client
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}
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func NewActivationGateway(store *config.Store) business.ActivationGateway {
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return &activationGateway{config: store, client: &http.Client{Timeout: 15 * time.Second, CheckRedirect: func(*http.Request, []*http.Request) error { return http.ErrUseLastResponse }}}
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}
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func (g *activationGateway) Apply(ctx context.Context, a business.ActivationApplication) error {
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cfg := g.config.Snapshot()
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if cfg == nil || cfg.BusinessOA == nil || cfg.BusinessOA.URL == "" || cfg.BusinessOA.Key == "" {
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return business.ErrActivationSource
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}
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body, err := json.Marshal(struct {
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UserID string `json:"userId"`
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PoolID string `json:"poolId"`
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BusierID string `json:"busierId"`
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SourceDB string `json:"sourceDb"`
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}{strconv.FormatUint(uint64(a.UserID), 10), strconv.FormatUint(a.PoolID, 10), strconv.FormatUint(a.BusierID, 10), a.SourceDB})
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if err != nil {
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return err
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, strings.TrimRight(cfg.BusinessOA.URL, "/")+"/internal/business/activation/apply", bytes.NewReader(body))
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if err != nil {
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return business.ErrActivationSource
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}
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stamp := strconv.FormatInt(time.Now().Unix(), 10)
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mac := hmac.New(sha256.New, []byte(cfg.BusinessOA.Key))
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mac.Write([]byte(req.Method + "\n" + req.URL.EscapedPath() + "\n" + stamp + "\n"))
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mac.Write(body)
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("X-Business-Timestamp", stamp)
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req.Header.Set("X-Business-Signature", hex.EncodeToString(mac.Sum(nil)))
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res, err := g.client.Do(req)
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if err != nil {
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return business.ErrActivationSource
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}
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defer res.Body.Close()
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if res.StatusCode != http.StatusOK {
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return business.ErrActivationSource
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}
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var result struct {
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Code *int `json:"code"`
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Message string `json:"msg"`
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}
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if err := json.NewDecoder(io.LimitReader(res.Body, 65536)).Decode(&result); err != nil || result.Code == nil {
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return business.ErrActivationSource
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}
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if *result.Code != 0 {
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return errors.BadRequest("SW_ACTIVATION_APPLY", result.Message)
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}
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return nil
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}
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