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messages.go
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messages.go
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package storage
import (
"bytes"
"context"
"database/sql"
"encoding/base64"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/mail"
"strings"
"time"
"github.com/axllent/mailpit/config"
"github.com/axllent/mailpit/internal/logger"
"github.com/axllent/mailpit/internal/tools"
"github.com/axllent/mailpit/server/webhook"
"github.com/axllent/mailpit/server/websockets"
"github.com/jhillyerd/enmime"
"github.com/leporo/sqlf"
"github.com/lithammer/shortuuid/v4"
)
// Store will save an email to the database tables.
// Returns the database ID of the saved message.
func Store(body *[]byte) (string, error) {
// Parse message body with enmime
env, err := enmime.ReadEnvelope(bytes.NewReader(*body))
if err != nil {
logger.Log().Warnf("[message] %s", err.Error())
return "", nil
}
from := &mail.Address{}
fromJSON := addressToSlice(env, "From")
if len(fromJSON) > 0 {
from = fromJSON[0]
} else if env.GetHeader("From") != "" {
from = &mail.Address{Name: env.GetHeader("From")}
}
obj := DBMailSummary{
From: from,
To: addressToSlice(env, "To"),
Cc: addressToSlice(env, "Cc"),
Bcc: addressToSlice(env, "Bcc"),
ReplyTo: addressToSlice(env, "Reply-To"),
}
messageID := strings.Trim(env.Root.Header.Get("Message-ID"), "<>")
created := time.Now()
// use message date instead of created date
if config.UseMessageDates {
if mDate, err := env.Date(); err == nil {
created = mDate
}
}
// generate the search text
searchText := createSearchText(env)
// generate unique ID
id := shortuuid.New()
summaryJSON, err := json.Marshal(obj)
if err != nil {
return "", err
}
// begin a transaction to ensure both the message
// and data are stored successfully
ctx := context.Background()
tx, err := db.BeginTx(ctx, nil)
if err != nil {
return "", err
}
// roll back if it fails
defer tx.Rollback()
subject := env.GetHeader("Subject")
size := float64(len(*body))
inline := len(env.Inlines)
attachments := len(env.Attachments)
snippet := tools.CreateSnippet(env.Text, env.HTML)
sql := fmt.Sprintf(`INSERT INTO %s
(Created, ID, MessageID, Subject, Metadata, Size, Inline, Attachments, SearchText, Read, Snippet)
VALUES(?,?,?,?,?,?,?,?,?,0,?)`,
tenant("mailbox"),
) // #nosec
// insert mail summary data
_, err = tx.Exec(sql, created.UnixMilli(), id, messageID, subject, string(summaryJSON), size, inline, attachments, searchText, snippet)
if err != nil {
return "", err
}
// insert compressed raw message
encoded := dbEncoder.EncodeAll(*body, make([]byte, 0, int(size)))
hexStr := hex.EncodeToString(encoded)
_, err = tx.Exec(fmt.Sprintf(`INSERT INTO %s (ID, Email) VALUES(?, x'%s')`, tenant("mailbox_data"), hexStr), id) // #nosec
if err != nil {
return "", err
}
if err := tx.Commit(); err != nil {
return "", err
}
// extract tags from body matches
rawTags := findTagsInRawMessage(body)
// extract plus addresses tags from enmime.Envelope
plusTags := obj.tagsFromPlusAddresses()
// extract tags from X-Tags header
xTags := tools.SetTagCasing(strings.Split(strings.TrimSpace(env.Root.Header.Get("X-Tags")), ","))
// extract tags from search matches
searchTags := tagFilterMatches(id)
// combine all tags into one slice
tags := append(rawTags, plusTags...)
tags = append(tags, xTags...)
// sort and extract only unique tags
tags = sortedUniqueTags(append(tags, searchTags...))
if len(tags) > 0 {
if err := SetMessageTags(id, tags); err != nil {
return "", err
}
}
c := &MessageSummary{}
if err := json.Unmarshal(summaryJSON, c); err != nil {
return "", err
}
c.Created = created
c.ID = id
c.MessageID = messageID
c.Attachments = attachments
c.Subject = subject
c.Size = size
c.Tags = tags
c.Snippet = snippet
websockets.Broadcast("new", c)
webhook.Send(c)
dbLastAction = time.Now()
BroadcastMailboxStats()
return id, nil
}
// List returns a subset of messages from the mailbox,
// sorted latest to oldest
func List(start, limit int) ([]MessageSummary, error) {
results := []MessageSummary{}
tsStart := time.Now()
q := sqlf.From(tenant("mailbox") + " m").
Select(`m.Created, m.ID, m.MessageID, m.Subject, m.Metadata, m.Size, m.Attachments, m.Read, m.Snippet`).
OrderBy("m.Created DESC").
Limit(limit).
Offset(start)
if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
var created float64
var id string
var messageID string
var subject string
var metadata string
var size float64
var attachments int
var read int
var snippet string
em := MessageSummary{}
if err := row.Scan(&created, &id, &messageID, &subject, &metadata, &size, &attachments, &read, &snippet); err != nil {
logger.Log().Errorf("[db] %s", err.Error())
return
}
if err := json.Unmarshal([]byte(metadata), &em); err != nil {
logger.Log().Errorf("[json] %s", err.Error())
return
}
em.Created = time.UnixMilli(int64(created))
em.ID = id
em.MessageID = messageID
em.Subject = subject
em.Size = size
em.Attachments = attachments
em.Read = read == 1
em.Snippet = snippet
// artificially generate ReplyTo if legacy data is missing Reply-To field
if em.ReplyTo == nil {
em.ReplyTo = []*mail.Address{}
}
results = append(results, em)
}); err != nil {
return results, err
}
// set tags for listed messages only
for i, m := range results {
results[i].Tags = getMessageTags(m.ID)
}
dbLastAction = time.Now()
elapsed := time.Since(tsStart)
logger.Log().Debugf("[db] list INBOX in %s", elapsed)
return results, nil
}
// GetMessage returns a Message generated from the mailbox_data collection.
// If the message lacks a date header, then the received datetime is used.
func GetMessage(id string) (*Message, error) {
raw, err := GetMessageRaw(id)
if err != nil {
return nil, err
}
r := bytes.NewReader(raw)
env, err := enmime.ReadEnvelope(r)
if err != nil {
return nil, err
}
var from *mail.Address
fromData := addressToSlice(env, "From")
if len(fromData) > 0 {
from = fromData[0]
} else if env.GetHeader("From") != "" {
from = &mail.Address{Name: env.GetHeader("From")}
}
messageID := strings.Trim(env.GetHeader("Message-ID"), "<>")
returnPath := strings.Trim(env.GetHeader("Return-Path"), "<>")
if returnPath == "" && from != nil {
returnPath = from.Address
}
date, err := env.Date()
if err != nil {
// return received datetime when message does not contain a date header
q := sqlf.From(tenant("mailbox")).
Select(`Created`).
Where(`ID = ?`, id)
if err := q.QueryAndClose(context.TODO(), db, func(row *sql.Rows) {
var created float64
if err := row.Scan(&created); err != nil {
logger.Log().Errorf("[db] %s", err.Error())
return
}
logger.Log().Debugf("[db] %s does not contain a date header, using received datetime", id)
date = time.UnixMilli(int64(created))
}); err != nil {
logger.Log().Errorf("[db] %s", err.Error())
}
}
obj := Message{
ID: id,
MessageID: messageID,
From: from,
Date: date,
To: addressToSlice(env, "To"),
Cc: addressToSlice(env, "Cc"),
Bcc: addressToSlice(env, "Bcc"),
ReplyTo: addressToSlice(env, "Reply-To"),
ReturnPath: returnPath,
Subject: env.GetHeader("Subject"),
Tags: getMessageTags(id),
Size: float64(len(raw)),
Text: env.Text,
}
obj.HTML = env.HTML
obj.Inline = []Attachment{}
obj.Attachments = []Attachment{}
for _, i := range env.Inlines {
if i.FileName != "" || i.ContentID != "" {
obj.Inline = append(obj.Inline, AttachmentSummary(i))
}
}
for _, i := range env.OtherParts {
if i.FileName != "" || i.ContentID != "" {
obj.Inline = append(obj.Inline, AttachmentSummary(i))
}
}
for _, a := range env.Attachments {
if a.FileName != "" || a.ContentID != "" {
obj.Attachments = append(obj.Attachments, AttachmentSummary(a))
}
}
// get List-Unsubscribe links if set
obj.ListUnsubscribe = ListUnsubscribe{}
obj.ListUnsubscribe.Links = []string{}
if env.GetHeader("List-Unsubscribe") != "" {
l := env.GetHeader("List-Unsubscribe")
links, err := tools.ListUnsubscribeParser(l)
obj.ListUnsubscribe.Header = l
obj.ListUnsubscribe.Links = links
if err != nil {
obj.ListUnsubscribe.Errors = err.Error()
}
obj.ListUnsubscribe.HeaderPost = env.GetHeader("List-Unsubscribe-Post")
}
// mark message as read
if err := MarkRead(id); err != nil {
return &obj, err
}
dbLastAction = time.Now()
return &obj, nil
}
// GetMessageRaw returns an []byte of the full message
func GetMessageRaw(id string) ([]byte, error) {
var i string
var msg string
q := sqlf.From(tenant("mailbox_data")).
Select(`ID`).To(&i).
Select(`Email`).To(&msg).
Where(`ID = ?`, id)
err := q.QueryRowAndClose(context.Background(), db)
if err != nil {
return nil, err
}
if i == "" {
return nil, errors.New("message not found")
}
var data []byte
if sqlDriver == "rqlite" {
data, err = base64.StdEncoding.DecodeString(msg)
if err != nil {
return nil, fmt.Errorf("error decoding base64 message: %w", err)
}
} else {
data = []byte(msg)
}
raw, err := dbDecoder.DecodeAll(data, nil)
if err != nil {
return nil, fmt.Errorf("error decompressing message: %s", err.Error())
}
dbLastAction = time.Now()
return raw, err
}
// GetAttachmentPart returns an *enmime.Part (attachment or inline) from a message
func GetAttachmentPart(id, partID string) (*enmime.Part, error) {
raw, err := GetMessageRaw(id)
if err != nil {
return nil, err
}
r := bytes.NewReader(raw)
env, err := enmime.ReadEnvelope(r)
if err != nil {
return nil, err
}
for _, a := range env.Inlines {
if a.PartID == partID {
return a, nil
}
}
for _, a := range env.OtherParts {
if a.PartID == partID {
return a, nil
}
}
for _, a := range env.Attachments {
if a.PartID == partID {
return a, nil
}
}
dbLastAction = time.Now()
return nil, errors.New("attachment not found")
}
// LatestID returns the latest message ID
//
// If a query argument is set in the request the function will return the
// latest message matching the search
func LatestID(r *http.Request) (string, error) {
var messages []MessageSummary
var err error
search := strings.TrimSpace(r.URL.Query().Get("query"))
if search != "" {
messages, _, err = Search(search, r.URL.Query().Get("tz"), 0, 1)
if err != nil {
return "", err
}
} else {
messages, err = List(0, 1)
if err != nil {
return "", err
}
}
if len(messages) == 0 {
return "", errors.New("Message not found")
}
return messages[0].ID, nil
}
// MarkRead will mark a message as read
func MarkRead(id string) error {
if !IsUnread(id) {
return nil
}
_, err := sqlf.Update(tenant("mailbox")).
Set("Read", 1).
Where("ID = ?", id).
ExecAndClose(context.Background(), db)
if err == nil {
logger.Log().Debugf("[db] marked message %s as read", id)
}
BroadcastMailboxStats()
return err
}
// MarkAllRead will mark all messages as read
func MarkAllRead() error {
var (
start = time.Now()
total = CountUnread()
)
_, err := sqlf.Update(tenant("mailbox")).
Set("Read", 1).
Where("Read = ?", 0).
ExecAndClose(context.Background(), db)
if err != nil {
return err
}
elapsed := time.Since(start)
logger.Log().Debugf("[db] marked %v messages as read in %s", total, elapsed)
BroadcastMailboxStats()
dbLastAction = time.Now()
return nil
}
// MarkAllUnread will mark all messages as unread
func MarkAllUnread() error {
var (
start = time.Now()
total = CountRead()
)
_, err := sqlf.Update(tenant("mailbox")).
Set("Read", 0).
Where("Read = ?", 1).
ExecAndClose(context.Background(), db)
if err != nil {
return err
}
elapsed := time.Since(start)
logger.Log().Debugf("[db] marked %v messages as unread in %s", total, elapsed)
BroadcastMailboxStats()
dbLastAction = time.Now()
return nil
}
// MarkUnread will mark a message as unread
func MarkUnread(id string) error {
if IsUnread(id) {
return nil
}
_, err := sqlf.Update(tenant("mailbox")).
Set("Read", 0).
Where("ID = ?", id).
ExecAndClose(context.Background(), db)
if err == nil {
logger.Log().Debugf("[db] marked message %s as unread", id)
}
dbLastAction = time.Now()
BroadcastMailboxStats()
return err
}
// DeleteMessages deletes one or more messages in bulk
func DeleteMessages(ids []string) error {
if len(ids) == 0 {
return nil
}
start := time.Now()
args := make([]interface{}, len(ids))
for i, id := range ids {
args[i] = id
}
sql := fmt.Sprintf(`SELECT ID, Size FROM %s WHERE ID IN (?%s)`, tenant("mailbox"), strings.Repeat(",?", len(args)-1)) // #nosec
rows, err := db.Query(sql, args...)
if err != nil {
return err
}
defer rows.Close()
toDelete := []string{}
var totalSize float64
for rows.Next() {
var id string
var size float64
if err := rows.Scan(&id, &size); err != nil {
return err
}
toDelete = append(toDelete, id)
totalSize = totalSize + size
}
if err = rows.Err(); err != nil {
return err
}
if len(toDelete) == 0 {
return nil // nothing to delete
}
tx, err := db.BeginTx(context.Background(), nil)
if err != nil {
return err
}
args = make([]interface{}, len(toDelete))
for i, id := range toDelete {
args[i] = id
}
tables := []string{"mailbox", "mailbox_data", "message_tags"}
for _, t := range tables {
sql = fmt.Sprintf(`DELETE FROM %s WHERE ID IN (?%s)`, tenant(t), strings.Repeat(",?", len(ids)-1))
_, err = tx.Exec(sql, args...) // #nosec
if err != nil {
return err
}
}
err = tx.Commit()
dbLastAction = time.Now()
addDeletedSize(int64(totalSize))
logMessagesDeleted(len(toDelete))
_ = pruneUnusedTags()
elapsed := time.Since(start)
messages := "messages"
if len(toDelete) == 1 {
messages = "message"
}
logger.Log().Debugf("[db] deleted %d %s in %s", len(toDelete), messages, elapsed)
BroadcastMailboxStats()
return nil
}
// DeleteAllMessages will delete all messages from a mailbox
func DeleteAllMessages() error {
var (
start = time.Now()
total int
)
_ = sqlf.From(tenant("mailbox")).
Select("COUNT(*)").To(&total).
QueryRowAndClose(context.TODO(), db)
// begin a transaction to ensure both the message
// summaries and data are deleted successfully
tx, err := db.BeginTx(context.Background(), nil)
if err != nil {
return err
}
// roll back if it fails
defer tx.Rollback()
tables := []string{"mailbox", "mailbox_data", "tags", "message_tags"}
for _, t := range tables {
sql := fmt.Sprintf(`DELETE FROM %s`, tenant(t)) // #nosec
_, err := tx.Exec(sql)
if err != nil {
return err
}
}
if err := tx.Commit(); err != nil {
return err
}
elapsed := time.Since(start)
logger.Log().Debugf("[db] deleted %d messages in %s", total, elapsed)
vacuumDb()
dbLastAction = time.Now()
if err := SettingPut("DeletedSize", "0"); err != nil {
logger.Log().Warnf("[db] %s", err.Error())
}
logMessagesDeleted(total)
websockets.Broadcast("prune", nil)
BroadcastMailboxStats()
return err
}