tgvpn
123 lines
2.5 KiB
Go
123 lines
2.5 KiB
Go
package remnawave
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strings"
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"time"
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)
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type Client struct {
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baseURL string
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token string
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caddyToken string
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http *http.Client
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}
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func NewClient(baseURL, apiToken, caddyToken string) *Client {
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return &Client{
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baseURL: strings.TrimRight(baseURL, "/"),
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token: apiToken,
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caddyToken: caddyToken,
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http: &http.Client{
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Timeout: 15 * time.Second,
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},
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}
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}
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func (c *Client) countFromEndpoint(ctx context.Context, path, arrayKey string) (int, error) {
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resp, body, err := c.get(ctx, path)
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if err != nil {
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return 0, err
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}
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if resp.StatusCode != http.StatusOK {
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return 0, fmt.Errorf("HTTP %d", resp.StatusCode)
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}
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return parseCount(body, arrayKey), nil
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}
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func (c *Client) get(ctx context.Context, path string) (*http.Response, []byte, error) {
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, c.baseURL+path, nil)
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if err != nil {
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return nil, nil, err
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}
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req.Header.Set("Authorization", "Bearer "+c.token)
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req.Header.Set("Accept", "application/json")
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if c.caddyToken != "" {
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req.Header.Set("X-Api-Key", c.caddyToken)
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}
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resp, err := c.http.Do(req)
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if err != nil {
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return nil, nil, fmt.Errorf("нет связи с панелью: %w", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(io.LimitReader(resp.Body, 1<<20))
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if err != nil {
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return resp, nil, err
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}
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return resp, body, nil
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}
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func parseCount(body []byte, arrayKey string) int {
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var raw map[string]json.RawMessage
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if err := json.Unmarshal(body, &raw); err != nil {
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return 0
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}
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if n := countInRaw(raw["response"], arrayKey); n > 0 {
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return n
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}
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return countInRaw(json.RawMessage(body), arrayKey)
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}
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func countInRaw(data json.RawMessage, arrayKey string) int {
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if len(data) == 0 {
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return 0
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}
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var obj map[string]json.RawMessage
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if err := json.Unmarshal(data, &obj); err != nil {
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var arr []json.RawMessage
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if err := json.Unmarshal(data, &arr); err == nil {
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return len(arr)
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}
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return 0
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}
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if totalRaw, ok := obj["total"]; ok {
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var total int
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if err := json.Unmarshal(totalRaw, &total); err == nil && total > 0 {
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return total
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}
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}
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if items, ok := obj[arrayKey]; ok {
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var arr []json.RawMessage
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if err := json.Unmarshal(items, &arr); err == nil {
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return len(arr)
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}
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}
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for _, v := range obj {
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var arr []json.RawMessage
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if err := json.Unmarshal(v, &arr); err == nil && len(arr) > 0 {
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return len(arr)
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}
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}
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return 0
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}
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func trimBody(b []byte, max int) string {
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s := strings.TrimSpace(string(b))
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if len(s) > max {
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return s[:max] + "…"
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}
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return s
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}
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