aboutsummaryrefslogtreecommitdiff
path: root/commands/msg/recall.go
blob: 7c59ac8595ad214b6f32cd5f006828297842eb7a (plain)
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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
package msg

import (
	"fmt"
	"io"
	"math/rand"
	"sync"
	"time"

	_ "github.com/emersion/go-message/charset"
	"github.com/pkg/errors"

	"git.sr.ht/~rjarry/aerc/app"
	"git.sr.ht/~rjarry/aerc/commands"
	"git.sr.ht/~rjarry/aerc/config"
	"git.sr.ht/~rjarry/aerc/lib"
	"git.sr.ht/~rjarry/aerc/lib/log"
	"git.sr.ht/~rjarry/aerc/models"
	"git.sr.ht/~rjarry/aerc/worker/types"
)

type Recall struct {
	Force  bool `opt:"-f"`
	Edit   bool `opt:"-e"`
	NoEdit bool `opt:"-E"`
}

func init() {
	commands.Register(Recall{})
}

func (Recall) Context() commands.CommandContext {
	return commands.MESSAGE_LIST | commands.MESSAGE_VIEWER
}

func (Recall) Aliases() []string {
	return []string{"recall"}
}

func (r Recall) Execute(args []string) error {
	editHeaders := (config.Compose.EditHeaders || r.Edit) && !r.NoEdit

	widget := app.SelectedTabContent().(app.ProvidesMessage)
	acct := widget.SelectedAccount()
	if acct == nil {
		return errors.New("No account selected")
	}
	store := widget.Store()
	if store == nil {
		return errors.New("Cannot perform action. Messages still loading")
	}

	msgInfo, err := widget.SelectedMessage()
	if err != nil {
		return errors.Wrap(err, "Recall failed")
	}

	if acct.SelectedDirectory() != acct.AccountConfig().Postpone &&
		!msgInfo.Flags.Has(models.DraftFlag) && !r.Force {
		return errors.New("Use -f to recall non-draft messages from outside the " +
			acct.AccountConfig().Postpone + " directory.")
	}

	log.Debugf("Recalling message <%s>", msgInfo.Envelope.MessageId)

	addTab := func(composer *app.Composer) {
		subject := msgInfo.Envelope.Subject
		if subject == "" {
			subject = "Recalled email"
		}
		composer.Tab = app.NewTab(composer, subject)
		composer.OnClose(func(composer *app.Composer) {
			uids := []uint32{msgInfo.Uid}

			deleteMessage := func() {
				store.Delete(
					uids,
					nil,
					func(msg types.WorkerMessage) {
						switch msg := msg.(type) {
						case *types.Done:
							app.PushStatus("Recalled message deleted", 10*time.Second)
						case *types.Error:
							app.PushError(msg.Error.Error())
						}
					},
				)
			}

			if composer.Sent() || composer.Postponed() {
				deleteMessage()
			}
		})
	}

	lib.NewMessageStoreView(msgInfo, acct.UiConfig().AutoMarkRead,
		store, app.CryptoProvider(), app.DecryptKeys,
		func(msg lib.MessageView, err error) {
			if err != nil {
				app.PushError(err.Error())
				return
			}
			var path []int
			if len(msg.BodyStructure().Parts) != 0 {
				path = lib.FindPlaintext(msg.BodyStructure(), path)
			}

			msg.FetchBodyPart(path, func(reader io.Reader) {
				composer, err := app.NewComposer(acct,
					acct.AccountConfig(), acct.Worker(), editHeaders,
					"", msgInfo.RFC822Headers, nil, reader)
				if err != nil {
					app.PushError(err.Error())
					return
				}
				if md := msg.MessageDetails(); md != nil {
					if md.IsEncrypted {
						composer.SetEncrypt(md.IsEncrypted)
					}
					if md.IsSigned {
						err = composer.SetSign(md.IsSigned)
						if err != nil {
							log.Warnf("failed to set signed state: %v", err)
						}
					}
				}

				// add attachements if present
				var mu sync.Mutex
				parts := lib.FindAllNonMultipart(msg.BodyStructure(), nil, nil)
				for _, p := range parts {
					if lib.EqualParts(p, path) {
						continue
					}
					bs, err := msg.BodyStructure().PartAtIndex(p)
					if err != nil {
						log.Warnf("cannot get PartAtIndex %v: %v", p, err)
						continue
					}
					msg.FetchBodyPart(p, func(reader io.Reader) {
						mime := bs.FullMIMEType()
						params := lib.SetUtf8Charset(bs.Params)
						name, ok := params["name"]
						if !ok {
							name = fmt.Sprintf("%s_%s_%d", bs.MIMEType, bs.MIMESubType, rand.Uint64())
						}
						mu.Lock()
						err := composer.AddPartAttachment(name, mime, params, reader)
						mu.Unlock()
						if err != nil {
							log.Errorf(err.Error())
							app.PushError(err.Error())
						}
					})
				}

				if r.Force {
					composer.SetRecalledFrom(acct.SelectedDirectory())
				}

				// focus the terminal since the header fields are likely already done
				composer.FocusTerminal()
				addTab(composer)
			})
		})

	return nil
}