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add funtionality to import zip/tgz with maildirs/mboxes to account page

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so users can easily take their email out of somewhere else, and import it into mox.

this goes a little way to give feedback as the import progresses: upload
progress is shown (surprisingly, browsers aren't doing this...), imported
mailboxes/messages are counted (batched) and import issues/warnings are
displayed, all sent over an SSE connection. an import token is stored in
sessionstorage. if you reload the page (e.g. after a connection error), the
browser will reconnect to the running import and show its progress again. and
you can just abort the import before it is finished and committed, and nothing
will have changed.

this also imports flags/keywords from mbox files.
This commit is contained in:
Mechiel Lukkien
2023-02-16 09:57:27 +01:00
parent 23b530ae36
commit 5336032088
32 changed files with 1968 additions and 518 deletions
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10
mox-/lifecycle.go
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@ -11,11 +11,12 @@ import (
"github.com/prometheus/client_golang/prometheus/promauto"
)
// Shutdown is closed when a graceful shutdown is initiated. SMTP, IMAP, periodic
// Shutdown is canceled when a graceful shutdown is initiated. SMTP, IMAP, periodic
// processes should check this before starting a new operation. If true, the
// operation should be aborted, and new connections should receive a message that
// the service is currently not available.
var Shutdown chan struct{}
var Shutdown context.Context
var ShutdownCancel func()
// Context should be used as parent by all operations. It is canceled when mox is
// shutdown, aborting all pending operations.
@ -25,10 +26,9 @@ var Shutdown chan struct{}
// context.WithTimeout based on this context, so those contexts are still canceled
// when shutting down.
//
// Explicit read/write deadlines on connections, typically 30s.
//
// HTTP servers don't get graceful shutdown, their connections are just aborted.
var Context context.Context
var ContextCancel func()
// Connections holds all active protocol sockets (smtp, imap). They will be given
// an immediate read/write deadline shortly after initiating mox shutdown, after
@ -61,7 +61,7 @@ func (c *connections) Register(nc net.Conn, protocol, listener string) {
// This can happen, when a connection was initiated before a shutdown, but it
// doesn't hurt to log it.
select {
case <-Shutdown:
case <-Shutdown.Done():
xlog.Error("new connection added while shutting down")
debug.PrintStack()
default: