init: pristine aerc 0.20.0 source

This commit is contained in:
Mortdecai
2026-04-07 19:54:54 -04:00
commit 083402a548
502 changed files with 68722 additions and 0 deletions
+59
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@@ -0,0 +1,59 @@
package mboxer
import (
"io"
"os"
"path/filepath"
"strings"
)
func createMailboxContainer(path string) (*mailboxContainer, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
fileInfo, err := file.Stat()
if err != nil {
return nil, err
}
mbdata := &mailboxContainer{mailboxes: make(map[string]*container)}
openMboxFile := func(path string, r io.Reader) error {
// read mbox file
messages, err := Read(r)
if err != nil {
return err
}
_, name := filepath.Split(path)
name = strings.TrimSuffix(name, ".mbox")
mbdata.mailboxes[name] = &container{filename: path, messages: messages}
return nil
}
if fileInfo.IsDir() {
files, err := filepath.Glob(filepath.Join(path, "*.mbox"))
if err != nil {
return nil, err
}
for _, file := range files {
f, err := os.Open(file)
if err != nil {
continue
}
if err := openMboxFile(file, f); err != nil {
return nil, err
}
f.Close()
}
} else {
if err := openMboxFile(path, file); err != nil {
return nil, err
}
}
return mbdata, nil
}
+49
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package mboxer
import (
"errors"
"io"
"time"
"git.sr.ht/~rjarry/aerc/lib/rfc822"
"git.sr.ht/~rjarry/aerc/models"
"github.com/emersion/go-mbox"
)
func Read(r io.Reader) ([]rfc822.RawMessage, error) {
mbr := mbox.NewReader(r)
messages := make([]rfc822.RawMessage, 0)
for {
msg, err := mbr.NextMessage()
if errors.Is(err, io.EOF) {
break
} else if err != nil {
return nil, err
}
content, err := io.ReadAll(msg)
if err != nil {
return nil, err
}
messages = append(messages, &message{
uid: uidFromContents(content),
flags: models.SeenFlag,
content: content,
})
}
return messages, nil
}
func Write(w io.Writer, reader io.Reader, from string, date time.Time) error {
wc := mbox.NewWriter(w)
mw, err := wc.CreateMessage(from, time.Now())
if err != nil {
return err
}
_, err = io.Copy(mw, reader)
if err != nil {
return err
}
return wc.Close()
}
+185
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package mboxer
import (
"bytes"
"crypto/sha256"
"encoding/hex"
"fmt"
"io"
"git.sr.ht/~rjarry/aerc/lib/rfc822"
"git.sr.ht/~rjarry/aerc/models"
)
type mailboxContainer struct {
mailboxes map[string]*container
}
func (md *mailboxContainer) Names() []string {
files := make([]string, 0)
for file := range md.mailboxes {
files = append(files, file)
}
return files
}
func (md *mailboxContainer) Mailbox(f string) (*container, bool) {
mb, ok := md.mailboxes[f]
return mb, ok
}
func (md *mailboxContainer) Create(file string) *container {
md.mailboxes[file] = &container{filename: file}
return md.mailboxes[file]
}
func (md *mailboxContainer) Remove(file string) error {
delete(md.mailboxes, file)
return nil
}
func (md *mailboxContainer) DirectoryInfo(file string) *models.DirectoryInfo {
var exists int
if md, ok := md.Mailbox(file); ok {
exists = len(md.Uids())
}
return &models.DirectoryInfo{
Name: file,
Exists: exists,
Recent: 0,
Unseen: 0,
}
}
func (md *mailboxContainer) Copy(dest, src string, uids []models.UID) error {
srcmbox, ok := md.Mailbox(src)
if !ok {
return fmt.Errorf("source %s not found", src)
}
destmbox, ok := md.Mailbox(dest)
if !ok {
return fmt.Errorf("destination %s not found", dest)
}
for _, uidSrc := range srcmbox.Uids() {
found := false
for _, uid := range uids {
if uid == uidSrc {
found = true
break
}
}
if found {
msg, err := srcmbox.Message(uidSrc)
if err != nil {
return fmt.Errorf("could not get message with uid %s from folder %s", uidSrc, src)
}
r, err := msg.NewReader()
if err != nil {
return fmt.Errorf("could not get reader for message with uid %s", uidSrc)
}
flags, err := msg.ModelFlags()
if err != nil {
return fmt.Errorf("could not get flags for message with uid %s", uidSrc)
}
err = destmbox.Append(r, flags)
if err != nil {
return fmt.Errorf("could not append data to mbox: %w", err)
}
}
}
md.mailboxes[dest] = destmbox
return nil
}
type container struct {
filename string
messages []rfc822.RawMessage
}
func (f *container) Uids() []models.UID {
uids := make([]models.UID, len(f.messages))
for i, m := range f.messages {
uids[i] = m.UID()
}
return uids
}
func (f *container) Message(uid models.UID) (rfc822.RawMessage, error) {
for _, m := range f.messages {
if uid == m.UID() {
return m, nil
}
}
return &message{}, fmt.Errorf("uid [%s] not found", uid)
}
func (f *container) Delete(uids []models.UID) (deleted []models.UID) {
newMessages := make([]rfc822.RawMessage, 0)
for _, m := range f.messages {
del := false
for _, uid := range uids {
if m.UID() == uid {
del = true
break
}
}
if del {
deleted = append(deleted, m.UID())
} else {
newMessages = append(newMessages, m)
}
}
f.messages = newMessages
return
}
func (f *container) Append(r io.Reader, flags models.Flags) error {
data, err := io.ReadAll(r)
if err != nil {
return err
}
f.messages = append(f.messages, &message{
uid: uidFromContents(data),
flags: flags,
content: data,
})
return nil
}
func uidFromContents(data []byte) models.UID {
sum := sha256.New()
sum.Write(data)
return models.UID(hex.EncodeToString(sum.Sum(nil)))
}
// message implements the lib.RawMessage interface
type message struct {
uid models.UID
flags models.Flags
content []byte
}
func (m *message) NewReader() (io.ReadCloser, error) {
return io.NopCloser(bytes.NewReader(m.content)), nil
}
func (m *message) ModelFlags() (models.Flags, error) {
return m.flags, nil
}
func (m *message) Labels() ([]string, error) {
return nil, nil
}
func (m *message) UID() models.UID {
return m.uid
}
func (m *message) SetFlag(flag models.Flags, state bool) error {
if state {
m.flags |= flag
} else {
m.flags &^= flag
}
return nil
}
+474
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@@ -0,0 +1,474 @@
package mboxer
import (
"bytes"
"errors"
"fmt"
"io"
"net/url"
"os"
"path/filepath"
"sort"
"git.sr.ht/~rjarry/aerc/lib/log"
"git.sr.ht/~rjarry/aerc/lib/rfc822"
"git.sr.ht/~rjarry/aerc/models"
"git.sr.ht/~rjarry/aerc/worker/handlers"
"git.sr.ht/~rjarry/aerc/worker/lib"
"git.sr.ht/~rjarry/aerc/worker/types"
)
func init() {
handlers.RegisterWorkerFactory("mbox", NewWorker)
}
var errUnsupported = fmt.Errorf("unsupported command")
type mboxWorker struct {
data *mailboxContainer
name string
folder *container
worker *types.Worker
capabilities *models.Capabilities
headers []string
headersExclude []string
}
func NewWorker(worker *types.Worker) (types.Backend, error) {
return &mboxWorker{
worker: worker,
capabilities: &models.Capabilities{
Sort: true,
Thread: false,
},
}, nil
}
func (w *mboxWorker) handleMessage(msg types.WorkerMessage) error {
var reterr error // will be returned at the end, needed to support idle
switch msg := msg.(type) {
case *types.Unsupported:
// No-op
case *types.Configure:
u, err := url.Parse(msg.Config.Source)
if err != nil {
reterr = err
break
}
if u.Host == "" && u.Path == "" {
u, err = url.Parse("mbox://" + u.Opaque)
if err != nil {
reterr = err
break
}
}
var dir string
if u.Host == "~" {
home, err := os.UserHomeDir()
if err != nil {
reterr = err
break
}
dir = filepath.Join(home, u.Path)
} else {
dir = filepath.Join(u.Host, u.Path)
}
w.headers = msg.Config.Headers
w.headersExclude = msg.Config.HeadersExclude
w.data, err = createMailboxContainer(dir)
if err != nil || w.data == nil {
w.data = &mailboxContainer{
mailboxes: make(map[string]*container),
}
reterr = err
break
} else {
w.worker.Debugf("configured with mbox file %s", dir)
}
case *types.Connect, *types.Reconnect, *types.Disconnect:
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.ListDirectories:
dirs := w.data.Names()
sort.Strings(dirs)
for _, name := range dirs {
w.worker.PostMessage(&types.Directory{
Message: types.RespondTo(msg),
Dir: &models.Directory{
Name: name,
},
}, nil)
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(name),
}, nil)
}
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.OpenDirectory:
w.name = msg.Directory
var ok bool
w.folder, ok = w.data.Mailbox(w.name)
if !ok {
w.folder = w.data.Create(w.name)
w.worker.PostMessage(&types.Done{
Message: types.RespondTo(&types.CreateDirectory{}),
}, nil)
}
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(msg.Directory),
}, nil)
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
w.worker.Debugf("%s opened", msg.Directory)
case *types.FetchDirectoryContents:
uids, err := filterUids(w.folder, w.folder.Uids(), msg.Filter)
if err != nil {
reterr = err
break
}
uids, err = sortUids(w.folder, uids, msg.SortCriteria)
if err != nil {
reterr = err
break
}
if len(uids) == 0 {
reterr = fmt.Errorf("mbox: no uids in directory")
break
}
w.worker.PostMessage(&types.DirectoryContents{
Message: types.RespondTo(msg),
Uids: uids,
}, nil)
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.FetchDirectoryThreaded:
reterr = errUnsupported
case *types.CreateDirectory:
w.data.Create(msg.Directory)
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.RemoveDirectory:
if err := w.data.Remove(msg.Directory); err != nil {
reterr = err
break
}
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.FetchMessageHeaders:
for _, uid := range msg.Uids {
m, err := w.folder.Message(uid)
if err != nil {
reterr = err
break
}
msgInfo, err := messageInfo(m, true)
if err != nil {
w.worker.PostMessage(&types.MessageInfo{
Info: &models.MessageInfo{
Envelope: &models.Envelope{},
Flags: models.SeenFlag,
Uid: uid,
Error: err,
},
Message: types.RespondTo(msg),
}, nil)
continue
} else {
switch {
case len(w.headersExclude) > 0:
msgInfo.RFC822Headers = lib.LimitHeaders(msgInfo.RFC822Headers, w.headersExclude, true)
case len(w.headers) > 0:
msgInfo.RFC822Headers = lib.LimitHeaders(msgInfo.RFC822Headers, w.headers, false)
}
w.worker.PostMessage(&types.MessageInfo{
Message: types.RespondTo(msg),
Info: msgInfo,
}, nil)
}
}
w.worker.PostMessage(
&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.FetchMessageBodyPart:
m, err := w.folder.Message(msg.Uid)
if err != nil {
w.worker.Errorf("could not get message %d: %v", msg.Uid, err)
reterr = err
break
}
contentReader, err := m.NewReader()
if err != nil {
reterr = fmt.Errorf("could not get message reader: %w", err)
break
}
fullMsg, err := rfc822.ReadMessage(contentReader)
if err != nil {
reterr = fmt.Errorf("could not read message: %w", err)
break
}
r, err := rfc822.FetchEntityPartReader(fullMsg, msg.Part)
if err != nil {
w.worker.Errorf(
"could not get body part reader for message=%d, parts=%#v: %w",
msg.Uid, msg.Part, err)
reterr = err
break
}
w.worker.PostMessage(&types.MessageBodyPart{
Message: types.RespondTo(msg),
Part: &models.MessageBodyPart{
Reader: r,
Uid: msg.Uid,
},
}, nil)
case *types.FetchFullMessages:
for _, uid := range msg.Uids {
m, err := w.folder.Message(uid)
if err != nil {
w.worker.Errorf("could not get message for uid %d: %v", uid, err)
continue
}
r, err := m.NewReader()
if err != nil {
w.worker.Errorf("could not get message reader: %v", err)
continue
}
defer r.Close()
b, err := io.ReadAll(r)
if err != nil {
w.worker.Errorf("could not get message reader: %v", err)
continue
}
w.worker.PostMessage(&types.FullMessage{
Message: types.RespondTo(msg),
Content: &models.FullMessage{
Uid: uid,
Reader: bytes.NewReader(b),
},
}, nil)
}
w.worker.PostMessage(&types.Done{
Message: types.RespondTo(msg),
}, nil)
case *types.DeleteMessages:
deleted := w.folder.Delete(msg.Uids)
if len(deleted) > 0 {
w.worker.PostMessage(&types.MessagesDeleted{
Message: types.RespondTo(msg),
Uids: deleted,
}, nil)
}
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(w.name),
}, nil)
w.worker.PostMessage(
&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.FlagMessages:
for _, uid := range msg.Uids {
m, err := w.folder.Message(uid)
if err != nil {
w.worker.Errorf("could not get message: %v", err)
continue
}
if err := m.(*message).SetFlag(msg.Flags, msg.Enable); err != nil {
w.worker.Errorf("could not change flag %v to %t on message: %v",
msg.Flags, msg.Enable, err)
continue
}
info, err := rfc822.MessageInfo(m)
if err != nil {
w.worker.Errorf("could not get message info: %v", err)
continue
}
w.worker.PostMessage(&types.MessageInfo{
Message: types.RespondTo(msg),
Info: info,
}, nil)
}
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(w.name),
}, nil)
w.worker.PostMessage(
&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.CopyMessages:
err := w.data.Copy(msg.Destination, w.name, msg.Uids)
if err != nil {
reterr = err
break
}
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(w.name),
}, nil)
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(msg.Destination),
}, nil)
w.worker.PostMessage(
&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.MoveMessages:
err := w.data.Copy(msg.Destination, w.name, msg.Uids)
if err != nil {
reterr = err
break
}
deleted := w.folder.Delete(msg.Uids)
if len(deleted) > 0 {
w.worker.PostMessage(&types.MessagesDeleted{
Message: types.RespondTo(msg),
Uids: deleted,
}, nil)
}
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(msg.Destination),
}, nil)
w.worker.PostMessage(
&types.Done{Message: types.RespondTo(msg)}, nil)
case *types.SearchDirectory:
uids, err := filterUids(w.folder, w.folder.Uids(), msg.Criteria)
if err != nil {
reterr = err
break
}
w.worker.PostMessage(&types.SearchResults{
Message: types.RespondTo(msg),
Uids: uids,
}, nil)
case *types.AppendMessage:
if msg.Destination == "" {
reterr = fmt.Errorf("AppendMessage with empty destination directory")
break
}
folder, ok := w.data.Mailbox(msg.Destination)
if !ok {
folder = w.data.Create(msg.Destination)
w.worker.PostMessage(&types.Done{
Message: types.RespondTo(&types.CreateDirectory{}),
}, nil)
}
if err := folder.Append(msg.Reader, msg.Flags); err != nil {
reterr = err
break
} else {
w.worker.PostMessage(&types.DirectoryInfo{
Info: w.data.DirectoryInfo(msg.Destination),
}, nil)
w.worker.PostMessage(&types.Done{Message: types.RespondTo(msg)}, nil)
}
case *types.AnsweredMessages:
reterr = errUnsupported
default:
reterr = errUnsupported
}
return reterr
}
func (w *mboxWorker) Run() {
for msg := range w.worker.Actions() {
msg = w.worker.ProcessAction(msg)
if err := w.handleMessage(msg); errors.Is(err, errUnsupported) {
w.worker.PostMessage(&types.Unsupported{
Message: types.RespondTo(msg),
}, nil)
} else if err != nil {
w.worker.PostMessage(&types.Error{
Message: types.RespondTo(msg),
Error: err,
}, nil)
}
}
}
func (w *mboxWorker) Capabilities() *models.Capabilities {
return w.capabilities
}
func (w *mboxWorker) PathSeparator() string {
return "/"
}
func filterUids(folder *container, uids []models.UID, criteria *types.SearchCriteria) ([]models.UID, error) {
log.Debugf("Search with parsed criteria: %#v", criteria)
m := make([]rfc822.RawMessage, 0, len(uids))
for _, uid := range uids {
msg, err := folder.Message(uid)
if err != nil {
log.Errorf("failed to get message for uid: %d", uid)
continue
}
m = append(m, msg)
}
return lib.Search(m, criteria)
}
func sortUids(folder *container, uids []models.UID,
criteria []*types.SortCriterion,
) ([]models.UID, error) {
var infos []*models.MessageInfo
needSize := false
for _, item := range criteria {
if item.Field == types.SortSize {
needSize = true
}
}
for _, uid := range uids {
m, err := folder.Message(uid)
if err != nil {
log.Errorf("could not get message %v", err)
continue
}
info, err := messageInfo(m, needSize)
if err != nil {
log.Errorf("could not get message info %v", err)
continue
}
infos = append(infos, info)
}
return lib.Sort(infos, criteria)
}
func messageInfo(m rfc822.RawMessage, needSize bool) (*models.MessageInfo, error) {
info, err := rfc822.MessageInfo(m)
if err != nil {
return nil, err
}
if !needSize {
return info, nil
}
r, err := m.NewReader()
if err != nil {
return nil, err
}
size, err := io.Copy(io.Discard, r)
if err != nil {
return nil, err
}
info.Size = uint32(size)
return info, nil
}