-
Notifications
You must be signed in to change notification settings - Fork 1
/
trigger.go
143 lines (121 loc) · 3.04 KB
/
trigger.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
package main
import (
"encoding/json"
"flag"
"fmt"
"io"
"log"
"os"
"path"
"github.com/aws/aws-lambda-go/events"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/lambda"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/jhillyerd/enmime"
)
var (
lambdaName = flag.String("lambda-name", "", "Name of lambda function")
bucketName = flag.String("bucket", "", "Email bucket")
bucketPrefix = flag.String("bucket-prefix", "email", "Bucket msg prefix")
emailID = flag.String("email-id", "", "Email id")
defaultRegion = "us-east-1"
)
func main() {
flag.Parse()
if *emailID == "" {
log.Fatalf("-email-id is required")
}
if *lambdaName == "" {
log.Fatalf("-lambda-name is required")
}
if *lambdaName == "" {
log.Fatalf("-bucket is required")
}
region := os.Getenv("AWS_DEFAULT_REGION")
if region == "" {
region = defaultRegion
}
awsSession := session.New(&aws.Config{
Region: ®ion,
})
s3Client := s3.New(awsSession)
lambdaClient := lambda.New(awsSession)
s3Path := path.Join(*bucketPrefix, *emailID)
obj, err := s3Client.GetObject(&s3.GetObjectInput{
Bucket: bucketName,
Key: &s3Path,
})
if err != nil {
log.Fatalf("Failed to fetch s3://%s/%s: %s", *bucketName, s3Path, err)
}
r := io.LimitReader(obj.Body, 1<<22)
env, err := enmime.ReadEnvelope(r)
if err != nil {
log.Fatalf("Read email err: %s", err)
}
recipients := make([]string, 0, 1)
for _, to := range env.Root.Header["To"] {
recipients = append(recipients, to)
}
for _, cc := range env.Root.Header["Cc"] {
recipients = append(recipients, cc)
}
for _, bcc := range env.Root.Header["Bcc"] {
recipients = append(recipients, bcc)
}
rec := events.SimpleEmailRecord{
SES: events.SimpleEmailService{
Mail: events.SimpleEmailMessage{
MessageID: *emailID,
CommonHeaders: events.SimpleEmailCommonHeaders{
Subject: env.Root.Header.Get("Subject"),
From: []string{env.Root.Header.Get("From")},
To: []string{env.Root.Header.Get("To")},
MessageID: env.Root.Header.Get("Message-ID"),
},
},
Receipt: events.SimpleEmailReceipt{
Recipients: recipients,
DKIMVerdict: events.SimpleEmailVerdict{
Status: "PASS",
},
SpamVerdict: events.SimpleEmailVerdict{
Status: "PASS",
},
SPFVerdict: events.SimpleEmailVerdict{
Status: "PASS",
},
VirusVerdict: events.SimpleEmailVerdict{
Status: "PASS",
},
},
},
}
evt := events.SimpleEmailEvent{
Records: []events.SimpleEmailRecord{rec},
}
payload, err := json.MarshalIndent(evt, "", " ")
if err != nil {
panic(err)
}
log.Printf("payload: %s\n", payload)
out, err := lambdaClient.Invoke(&lambda.InvokeInput{
FunctionName: lambdaName,
Payload: payload,
})
if err != nil {
log.Fatalf("Invoke err: %s", err)
}
var (
code int64
logResult string
)
if out.StatusCode != nil {
code = *out.StatusCode
}
if out.LogResult != nil {
logResult = *out.LogResult
}
fmt.Printf("Resp: %d\n%s\n%s\n", code, out.Payload, logResult)
}