chore: 并入 iotlcm-upstream-chan 历史到 upstream-chan/（原提交 1e74497）

upstream-chan/internal/logic/upstreamimpl/qianxun_token_provider.go

@@ -0,0 +1,116 @@
+package upstreamimpl
+
+import (
+	"context"
+	"crypto/md5"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	sharedtoken "git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/token"
+)
+
+type QianxunTokenConfig struct {
+	BaseURL    string
+	Path       string
+	OperatorID string
+	AppID      string
+	TokenType  string
+	Key        string
+	Timeout    time.Duration
+}
+
+type QianxunTokenProvider struct {
+	baseURL, path, operatorID, appID, tokenType, key string
+	client                                           *http.Client
+}
+
+type qianxunTokenResponse struct {
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+	Data struct {
+		Token      string `json:"token"`
+		ExpireDate int64  `json:"expireDate"`
+	} `json:"data"`
+}
+
+func NewQianxunTokenProvider(config QianxunTokenConfig) *QianxunTokenProvider {
+	timeout := config.Timeout
+	if timeout <= 0 {
+		timeout = defaultUpstreamHTTPTimeout
+	}
+	return &QianxunTokenProvider{
+		baseURL: strings.TrimRight(strings.TrimSpace(config.BaseURL), "/"),
+		path:    normalizeProviderPath(config.Path, "/"), operatorID: strings.TrimSpace(config.OperatorID),
+		appID: strings.TrimSpace(config.AppID), tokenType: strings.TrimSpace(config.TokenType), key: config.Key,
+		client: &http.Client{Timeout: timeout},
+	}
+}
+
+func qianxunSharedSign(operatorID, appID, key string) string {
+	sum := md5.Sum([]byte(operatorID + appID + key))
+	return hex.EncodeToString(sum[:])
+}
+
+func (p *QianxunTokenProvider) Fetch(ctx context.Context) (sharedtoken.OneLinkToken, error) {
+	if p == nil || p.client == nil {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("qianxun token provider is not initialized")
+	}
+	if p.baseURL == "" || p.operatorID == "" || p.appID == "" || p.tokenType == "" || p.key == "" {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("qianxun token endpoint and credentials are required")
+	}
+	payload := map[string]string{"operatorId": p.operatorID, "appId": p.appID, "tokenType": p.tokenType, "sign": qianxunSharedSign(p.operatorID, p.appID, p.key)}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("encode qianxun token request: %w", err)
+	}
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, joinProviderURL(p.baseURL, p.path), strings.NewReader(string(body)))
+	if err != nil {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("create qianxun token request: %w", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Accept", "application/json")
+	resp, err := p.client.Do(req)
+	if err != nil {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("request qianxun token: %w", err)
+	}
+	defer resp.Body.Close()
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("read qianxun token response: %w", err)
+	}
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("qianxun token HTTP status %d", resp.StatusCode)
+	}
+	var output qianxunTokenResponse
+	if err := json.Unmarshal(responseBody, &output); err != nil {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("decode qianxun token response: %w", err)
+	}
+	if output.Code != 0 {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("qianxun token failed: code=%d msg=%s", output.Code, output.Msg)
+	}
+	value := strings.TrimSpace(output.Data.Token)
+	if value == "" {
+		return sharedtoken.OneLinkToken{}, fmt.Errorf("qianxun token is empty")
+	}
+	now := time.Now()
+	var expiresAt time.Time
+	if output.Data.ExpireDate > 0 {
+		expiresAt = now.Add(time.Duration(output.Data.ExpireDate) * time.Second)
+	}
+	return sharedtoken.OneLinkToken{Value: value, CreatedAt: now, ExpiresAt: expiresAt}, nil
+}
+
+func (p *QianxunTokenProvider) FetchToken(ctx context.Context, _ string) (sharedtoken.OneLinkToken, error) {
+	return p.Fetch(ctx)
+}
+
+type qianxunFetcher struct{ provider *QianxunTokenProvider }
+
+func (f qianxunFetcher) FetchToken(ctx context.Context, _ string) (sharedtoken.OneLinkToken, error) {
+	return f.provider.Fetch(ctx)
+}