github.com/google/syzkaller@v0.0.0-20251211124644-a066d2bc4b02/syz-cluster/pkg/emailclient/sender.go (about)

     1  // Copyright 2025 syzkaller project authors. All rights reserved.
     2  // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
     3  
     4  package emailclient
     5  
     6  import (
     7  	"context"
     8  	"fmt"
     9  
    10  	"github.com/google/syzkaller/syz-cluster/pkg/app"
    11  )
    12  
    13  type Email struct {
    14  	To        []string
    15  	Cc        []string
    16  	Subject   string
    17  	InReplyTo string
    18  	Body      []byte
    19  	BugID     string // In case it's to be included into Sender.
    20  }
    21  
    22  func (item *Email) recipients() []string {
    23  	var ret []string
    24  	ret = append(ret, item.To...)
    25  	ret = append(ret, item.Cc...)
    26  	return unique(ret)
    27  }
    28  
    29  type Sender func(context.Context, *Email) (string, error)
    30  
    31  func MakeSender(ctx context.Context, cfg *app.EmailConfig) (Sender, error) {
    32  	switch cfg.Sender {
    33  	case app.SenderSMTP:
    34  		sender, err := newSMTPSender(ctx, cfg)
    35  		if err != nil {
    36  			return nil, err
    37  		}
    38  		return sender.Send, nil
    39  	case app.SenderDashapi:
    40  		return makeDashapiSender(cfg)
    41  	}
    42  	return nil, fmt.Errorf("unsupported sender type: %q", cfg.Sender)
    43  }
    44  
    45  func unique(list []string) []string {
    46  	var ret []string
    47  	seen := map[string]struct{}{}
    48  	for _, str := range list {
    49  		if _, ok := seen[str]; ok {
    50  			continue
    51  		}
    52  		seen[str] = struct{}{}
    53  		ret = append(ret, str)
    54  	}
    55  	return ret
    56  }
    57  
    58  func TestEmailConfig() *app.EmailConfig {
    59  	return &app.EmailConfig{
    60  		Name:           "name",
    61  		DocsLink:       "docs",
    62  		ModerationList: "moderation@list.com",
    63  		ReportCC:       []string{"reported@list.com"},
    64  		ArchiveList:    "archive@list.com",
    65  		Sender:         app.SenderSMTP,
    66  		SMTP: &app.SMTPConfig{
    67  			From: "a@b.com",
    68  		},
    69  	}
    70  }