ci(arch): forbid pkg packages from depending on project core packages

backend/plugins/domain/message_gateway/push/pushover.go

@@ -0,0 +1,93 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package push
+
+import (
+	"Wavelet/pkg/httppool"
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+const (
+	pushoverAPIEndpoint = "https://api.pushover.net/1/messages.json"
+)
+
+func init() {
+	Register("pushover", &PushoverPusher{})
+}
+
+// PushoverPusher Pushover 移动端推送实现
+type PushoverPusher struct{}
+
+// Send 发送 Pushover 通知
+func (p *PushoverPusher) Send(ctx context.Context, cfg Config, target string, body map[string]any, _ string, _ map[string]any) (string, error) {
+	appToken := cfg.Key
+	if appToken == "" {
+		appToken = cfg.Secret
+	}
+	if appToken == "" {
+		return "", errors.New("pushover: app token is required")
+	}
+
+	userKey := cfg.URL
+	if userKey == "" && cfg.Ext != nil {
+		if k, ok := cfg.Ext["user_key"].(string); ok {
+			userKey = k
+		}
+	}
+	if target != "" {
+		userKey = target
+	}
+	if userKey == "" {
+		return "", errors.New("pushover: user key is required")
+	}
+
+	title := bodyTitle(body)
+	content := bodyContent(body, "%s: %v", "\n")
+
+	formData := url.Values{}
+	formData.Set("token", appToken)
+	formData.Set("user", userKey)
+	formData.Set("title", title)
+	formData.Set("message", content)
+
+	httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, pushoverAPIEndpoint, strings.NewReader(formData.Encode()))
+	if err != nil {
+		return "", fmt.Errorf("pushover: create request failed: %w", err)
+	}
+	httpReq.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+	client := httppool.NewClient(defaultHTTPClientTimeout)
+	resp, err := client.Do(httpReq)
+	if err != nil {
+		return "", fmt.Errorf("pushover: http request failed: %w", err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	respBody, _ := io.ReadAll(io.LimitReader(resp.Body, maxResponseBodyBytes))
+	upstreamResp := strings.TrimSpace(string(respBody))
+
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return upstreamResp, fmt.Errorf("pushover: http status %s", resp.Status)
+	}
+
+	return upstreamResp, nil
+}
+
+// ValidateConfig 校验 Pushover 配置
+func (p *PushoverPusher) ValidateConfig(cfg Config) error {
+	appToken := cfg.Key
+	if appToken == "" {
+		appToken = cfg.Secret
+	}
+	if appToken == "" {
+		return errors.New("app token is required")
+	}
+	return nil
+}