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* pgp: add attach key commandTim Culverhouse2022-05-067-3/+174
| | | | | | | | | Add compose command ("attach-key") to attach the public key associated with the sending account. Public key is attached in ascii armor format, with the mimetype set according to RFC 3156 ("application/pgp-keys"). Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Koni Marti <koni.marti@gmail.com>
* pgp: check encryption keys before sending messageTim Culverhouse2022-05-067-21/+107
| | | | | | | | | | | | | | | | Add check for public keys of all message recipients (to, cc, and bcc) before sending the message. Adds an OnFocusLost callback to header editors to facilitate a callback for checking keys whenever a new recipient is added (OnChange results in too many keyring checks). Once encryption is initially set, the callbacks are registered. If a public key is not available for any recipient, encryption is turned off. However, notably, the callbacks are still registered meaning as s soon as the user removes the recipients with missing keys, encryption is turned back on. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Koni Marti <koni.marti@gmail.com>
* pgp: add options auto-sign & opportunistic-encryptTim Culverhouse2022-05-063-1/+29
| | | | | | | | Add account level config options for auto-sign and opportunistic encryption. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Koni Marti <koni.marti@gmail.com>
* store: remove callbacks on errorKoni Marti2022-05-061-3/+28
| | | | | | | | | | | | | | | | | | | | | Unmark deleted messages and remove pending headers in the callback function when an error in the backend occurs (e.g. due to connection issues). The message store marks messages that should be deleted. If the delete operation in the backend fails, messages are never unmarked and will remain rendered as empty lines in the message list. This also affects the move and archive commands that rely on a copy and delete operation. A similar issue occurs with the pending headers when the operation to fetch them fails. In this case, messages will appear as loading indefinitely in the message list and are never re-fetched because the corresponding pending headers from the failed operations are still present. Fixes: https://todo.sr.ht/~rjarry/aerc/28 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: use selected account ui config for security headerRobin Jarry2022-05-041-1/+2
| | | | | | | Do not use the default ui config. Fixes: 78b7e4e993f5 ("compose: add sign/encrypt persistent display") Signed-off-by: Robin Jarry <robin@jarry.cc>
* pgp: fix crash on gpg decrypt failTim Culverhouse2022-05-041-0/+1
| | | | | | | | | | The gpg decrypt function was catching errors but not returning them. This patch returns errors that are caught instead of aerc panicking. Reported-by: ReK2 <rek2@hispagatos.org> Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: ReK2 <rek2@hispagatos.org> Acked-by: Robin Jarry <robin@jarry.cc>
* pgp: check for signing key before signing timeTim Culverhouse2022-05-047-7/+93
| | | | | | | | | | Check that the signing key exists when the user issues the :sign command. The signing key ID will be displayed in the security status also, allowing the user to see what key will be used to sign the message. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Jens Grassel <jens@wegtam.com>
* imap: add timeout to tcp connect functionsKoni Marti2022-05-042-120/+188
| | | | | | | | | Extract the tcp connection details and timeout the tcp connect functions (net.ResolveTCPAddr and net.DialTCP). If timed out, ensure that the connection is properly closed. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* imap: add debouncer to the idlerKoni Marti2022-05-043-11/+35
| | | | | | | | | | | | | Add a debouncer to the idle mode. Avoid unnecessary idling when another job arrives within a certain time frame. For example, the ui sends three messages to the worker at the same time when we open a message (FlagMessage, FetchMessageBodyPart, and the FetchMessageHeaders). The debouncer prevents the unnecessary entering and leaving of the idle mode between those messages. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* imap: monitor the logout channel with an observerKoni Marti2022-05-043-86/+186
| | | | | | | | | Untangle the observer functionality from the message handling routine. Observe the imap client's logout channel and trigger a connection error when necessary to start the reconnect cycle. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* imap: manage idle mode with an idlerKoni Marti2022-05-043-24/+181
| | | | | | | | | Untangle the idle functionality from the message handling routine. Wait for the idle mode to properly exit every time to ensure a consistent imap state. Timeout when hanging in idle mode and inform the ui. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* imap: extract imap config and configure handlingKoni Marti2022-05-042-97/+123
| | | | | | | | Extract the imap config and move the configure part out of the message handler. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* recall: mention the -f option in the error messageinwit2022-04-291-2/+2
| | | | | | | | | Commit bc593ac7cdb2 ("recall: allow recalling messages from any folder") added the possibility to recall any message by providing the -f flag. Mention the flag in the error message. Signed-off-by: inwit <inwit@sindominio.net> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: add sign/encrypt persistent displayTim Culverhouse2022-04-291-5/+78
| | | | | | | | | | Add a text row below the header editors to (persistently) display if the current message will be signed, encrypted, or both. The display will disappear if the message will not be signed or encrypted. The display is visible on the reviewMessage screen as well Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Koni Marti <koni.marti@gmail.com>
* dirlist: add format specifier to compact folder nameKoni Marti2022-04-293-0/+33
| | | | | | | | | | | Add the format specifier %N to the dirlist-format to display compacted folder names. A folder such as INBOX/WORK/PROJECT will be compacted to I/W/PROJECT in the directoy list. Signed-off-by: Koni Marti <koni.marti@gmail.com> Tested-by: Tim Culverhouse <tim@timculverhouse.com>
* imap: fix out-of-range panic for imap updatesKoni Marti2022-04-291-0/+14
| | | | | | | | | | Check slice bounds before using it for the message and expunge updates. Log the error but ignore the affected updates. Link: https://lists.sr.ht/~rjarry/aerc-devel/%3CCJEHBFFUI11T.1AYGOMVGZ87ZS%40rek2system%3E Reported-by: ReK2 <rek2@hispagatos.org> Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: use account ui config where missingRobin Jarry2022-04-281-5/+5
| | | | | | | | | | | | The composer widget already has a reference to the AccountView object. Get the UI config from it directly. This completes commit 6edfbfa8ce37 ("aerc: use contextual ui styleset for tabs/compose"). Fixes: https://todo.sr.ht/~rjarry/aerc/3 Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Koni Marti <koni.marti@gmail.com>
* grid: don't draw at a negative offsetConnor Kuehl2022-04-281-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | aerc panics when using macOS's default terminal emulator, Terminal.app, when closing all but aerc's tab: This error was also written to: /tmp/aerc-crash-20220427-194134.log panic: Attempted to create context with negative offset [recovered] panic: Attempted to create context with negative offset goroutine 1 [running]: git.sr.ht/~rjarry/aerc/logging.PanicHandler() /Users/ckuehl/src/aerc/logging/panic-logger.go:47 +0x58c panic({0x100d077a0, 0x14000032700}) /opt/homebrew/Cellar/go/1.18.1/libexec/src/runtime/panic.go:844 +0x258 git.sr.ht/~rjarry/aerc/lib/ui.(*Context).Subcontext(0x1400013e420?, 0x14000202360?, 0x140000ffc48?, 0x1009a10e4?, 0x100da9440?) /Users/ckuehl/src/aerc/lib/ui/context.go:47 +0x160 git.sr.ht/~rjarry/aerc/lib/ui.(*Grid).Draw(0x1400013e420, 0x14000202360) /Users/ckuehl/src/aerc/lib/ui/grid.go:143 +0x2bc git.sr.ht/~rjarry/aerc/widgets.(*Aerc).Draw(0x1400013e4d0, 0x14000202360) /Users/ckuehl/src/aerc/widgets/aerc.go:178 +0x30 git.sr.ht/~rjarry/aerc/lib/ui.(*UI).Tick(0x1400022bcc0) /Users/ckuehl/src/aerc/lib/ui/ui.go:116 +0x248 main.main() /Users/ckuehl/src/aerc/aerc.go:226 +0x9e8 I'm not entirely sure what the interactions are between the terminal emulator, aerc's grid, and the space that moves around when the tab bar disappears because there are no more tabs, but this fixes the issue 100% of the time and I haven't noticed any issues. Signed-off-by: Connor Kuehl <cipkuehl@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* imap: avoid crash when replying to unread messageRobin Jarry2022-04-281-2/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When running `:reply -q` on an unread message, aerc crashes after opening the editor: panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x5d1019] goroutine 63 [running]: bufio.(*Reader).fill(0xc000086ef8) /usr/lib/golang/src/bufio/bufio.go:106 +0xd9 bufio.(*Reader).Peek(0xc00020bef8, 0x1) /usr/lib/golang/src/bufio/bufio.go:144 +0x5d github.com/emersion/go-message/textproto.ReadHeader(0xc00004a700?) emersion/go-message@v0.15.0/textproto/header.go:525 +0x5f git.sr.ht/~rjarry/aerc/worker/imap.(*IMAPWorker).handleFetchMessageBodyPart.func1(0xc00056e280) worker/imap/fetch.go:99 +0x1ab git.sr.ht/~rjarry/aerc/worker/imap.(*IMAPWorker).handleFetchMessages.func1() worker/imap/fetch.go:178 +0xd7 created by git.sr.ht/~rjarry/aerc/worker/imap.(*IMAPWorker).handleFetchMessages worker/imap/fetch.go:172 +0x12b This happens because the flags are updated in the callback that receives the message itself. It causes the flag update to arrive in the same channel/request. Ignore the messages that have an empty body (i.e. only containing flag updates). This is inherently racy but there seems no way to get rid of these extra messages. Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Connor Kuehl <cipkuehl@gmail.com>
* feat: add gpg integrationTim Culverhouse2022-04-2718-30/+1493
| | | | | | | | | | | | | | | | | | | This commit adds gpg system integration. This is done through two new packages: gpgbin, which handles the system calls and parsing; and gpg which is mostly a copy of emersion/go-pgpmail with modifications to interface with package gpgbin. gpg includes tests for many cases, and by it's nature also tests package gpgbin. I separated these in case an external dependency is ever used for the gpg sys-calls/parsing (IE we mirror how go-pgpmail+openpgp currently are dependencies) Two new config options are introduced: * pgp-provider. If it is not explicitly set to "gpg", aerc will default to it's internal pgp provider * pgp-key-id: (Optionally) specify a key by short or long keyId Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* refactor: refactor pgp implementationTim Culverhouse2022-04-2715-193/+356
| | | | | | | | | This commit refactors the internal PGP implementation to make way for GPG integration. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* style: add style config options for dirlist_unread and dirlist_recentTim Culverhouse2022-04-274-10/+46
| | | | | | | | Adds two style options: dirlist_unread and dirlist_recent. These options apply in layers, in the same way as msglist_* styles do. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* pgp: ensure CRLF line endings in pgpmail readerKoni Marti2022-04-252-1/+12
| | | | | | | | | | | | | | | | | | Ensure CRLF line endings in the pgpmail reader. Fix the pgp signature verification for maildir and notmuch. These backends do not return the full message body with CRLF line endings. But the accepted OpenPGP convention is for signed data to end with a <CR><LF> sequence (see RFC3156). If this is not the case the signed and transmitted data are considered not the same and thus signature verification fails. Link: https://datatracker.ietf.org/doc/html/rfc3156 Reported-by: Tim Culverhouse <tim@timculverhouse.com> Signed-off-by: Koni Marti <koni.marti@gmail.com> Tested-by: Tim Culverhouse <tim@timculverhouse.com>
* msgviewer: show available bindings when filter not configuredkt programs2022-04-251-27/+59
| | | | | | | | | | Show what command can be used to achieve the described effect so users can add it as a binding. Fixes: https://todo.sr.ht/~rjarry/aerc/40 Signed-off-by: kt programs <ktprograms@gmail.com> Tested-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* config: add unsafe-accounts-conf optionVictor Freire2022-04-253-6/+32
| | | | | | | | | | | This adds the option "unsafe-accounts-conf" under the section [general] of aerc.conf. This allows an user to specify if the accounts.conf file must be restrict to be read by the file owner (0600). By default it is set to "false". Signed-off-by: Victor Freire <victor@freire.dev.br> Acked-by: Robin Jarry <robin@jarry.cc>
* binds: fix incorrect key names for c-] and c-[Ivan Oleynikov2022-04-251-2/+2
| | | | | | | The left and right square brackets are inverted. Fix that. Signed-off-by: Ivan Oleynikov <ivan.oleynikov95@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* filter: clear filter when called with no argsKoni Marti2022-04-251-0/+3
| | | | | | | | Clear filter when called with no arguments. Fixes: https://todo.sr.ht/~rjarry/aerc/35 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* statusline: refactor to make it more customizableKoni Marti2022-04-258-93/+407
| | | | | | | | | | | | | | | | | Refactor statusline by clearly separating the rendering part from the text display. Use printf-like format string for statusline customization. Document printf-like format string to customize the statusline. Allow to completely mute the statusline (except for push notifications) with a format specifier. Provide a display mode with unicode icons for the status elements. Implements: https://todo.sr.ht/~rjarry/aerc/34 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* config: clarify threading-enabled optionKenneth Flak2022-04-192-1/+7
| | | | | | | This is only supported with notmuch and specific imap servers. Signed-off-by: Kenneth Flak <kennethflak@protonmail.com> Signed-off-by: Robin Jarry <robin@jarry.cc>
* store: keep current message selectedKoni Marti2022-04-174-2/+55
| | | | | | | | | | | | Keep current message selected when clearing or changing filters and when toggling threads. Add -s flag to the clear command to also clear the selected message and set cursor to the top of the message list. Implements: https://todo.sr.ht/~rjarry/aerc/36 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* status: use contextual ui styleset for statuslineKoni Marti2022-04-171-7/+9
| | | | | | | Use contextual ui styleset for statusline widget. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* aerc: use contextual ui styleset for tabs/composeKoni Marti2022-04-172-8/+24
| | | | | | | | | Use contextual ui styleset for tabs and compose widgets. If no account is selected, use default styleset as fallback. Fixes: https://todo.sr.ht/~rjarry/aerc/3 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* Add html "unsafe" filter to work also without danteJens Grassel2022-04-172-0/+17
| | | | | | | | If socksify (from dante) is not installed then the filter uses w3m without it to render an html message part. Signed-off-by: Jens Grassel <jens@wegtam.com> Acked-by: Robin Jarry <robin@jarry.cc>
* binds: allow to bind a command to < and >Koni Marti2022-04-171-0/+8
| | | | | | | | | | | | | | | Allow to bind to < and > by using \< and \> in binds.conf. Ensure that the single \ can still be properly used to bind to other commands. For example, the following binds would work now: \< = :prev-tab<Enter> \> = :next-tab<Enter> \ = :filter<space> Fixes: https://todo.sr.ht/~rjarry/aerc/37 Signed-off-by: Koni Marti <koni.marti@gmail.com> Tested-by: Sebastian LaVine <mail@smlavine.com> Acked-by: Robin Jarry <robin@jarry.cc>
* review: show command that will be executed by bindingkt programs2022-04-141-4/+2
| | | | | | | | Also show commands that don't have a binding. This allows users to see what's available to bind. Signed-off-by: kt programs <ktprograms@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* main: remove unnecessary pointer dereferenceConnor Kuehl2022-04-141-2/+2
| | | | | | | Calling a method on a pointer will dereference it automatically. Signed-off-by: Connor Kuehl <cipkuehl@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* binds: add binding for :open by default in viewerkt programs2022-04-141-1/+2
| | | | | | | | Also move binding for :delete such that the :open, :save, :pipe command bindings are grouped together. Signed-off-by: kt programs <ktprograms@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* forward: allow ':forward -A' with no addressTim Culverhouse2022-04-141-6/+9
| | | | | | | | Allow using the command ':forward -A' without specifying an email address inline. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* config: don't swallow error in checkConfigPermsConnor Kuehl2022-04-141-1/+5
| | | | | | | | | | os.Stat might return other errors aside from one stating that the file does not exist. If it does, propagate the error down. As before, if the file does not exist, just do nothing. Signed-off-by: Connor Kuehl <cipkuehl@gmail.com> Reviewed-by: Moritz Poldrack <moritz@poldrack.dev> Tested-by: Moritz Poldrack <moritz@poldrack.dev>
* Initialization fix for dynamic foldersAivars Vaivods2022-04-141-0/+9
| | | | | | | | | | | | | | | | | | | There is an issue with backends, that provide dynamic folders, namely when opening folder, that isn't defined in config file, you get empty folder. To actually get messages listed, you need to open that folder twice. At first attempt only DirectoryInfo is fetched and new MessageStore created. Second attempt populates previously created MessageStore with list of messages. For pre-configured folders, DirectoryInfos are fetched upon connection to backend and, when folder is opened, MessageStore is updated with list of messages. Fixes: https://todo.sr.ht/~rjarry/aerc/30 Signed-off-by: Aivars Vaivods <aivars@vaivods.lv> Acked-by: Robin Jarry <robin@jarry.cc>
* mk: do not depend on cmp being availableRobin Jarry2022-04-141-3/+1
| | | | | | | cmp is part of gnu diffutils which may not be available. Use grep which is more widespread. Signed-off-by: Robin Jarry <robin@jarry.cc>
* builds: add gnupg in preparation of gpg integrationRobin Jarry2022-04-145-1/+5
| | | | | | This is required for future gpg unit tests to run. Signed-off-by: Robin Jarry <robin@jarry.cc>
* builds: test with notmuchRobin Jarry2022-04-144-1/+8
| | | | | | This is never tested. Let's check that it compiles at least. Signed-off-by: Robin Jarry <robin@jarry.cc>
* builds: reformat yamlRobin Jarry2022-04-144-50/+53
| | | | | | Use two spaces for indentation consistently. Signed-off-by: Robin Jarry <robin@jarry.cc>
* imap: fix no-envelope-for-message errorKoni Marti2022-04-111-1/+3
| | | | | | | | | | | | | | | | | | | | | Fix the "no envelope available for this message" error that can occur when using the same imap mailbox in another mailclient (e.g. through a webmail interface) at the same time. Complements the fixes in commit 7fe7fe4 ("ui: fix panic in header formatter") and commit 074b0a1 ("view,list: fix crash when viewing incomplete imap messages"). The error is caused when a message attribute update is received by the message store before the message list had a chance to fetch the proper header first. In this case, an (incomplete) message info is stored in the message store and the message list will never fetch the correct header. To prevent this, add only messages to the store with a non-nil envelope but make sure that message attribute updates are properly merged. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* stylesets: allow specifying color by numberTobias Wölfel2022-04-072-2/+18
| | | | | | | | | Make it possible to specify the color in the style sets by number in addition to the color name. This allows using colors defined by the terminal. Signed-off-by: Tobias Wölfel <tobias.woelfel@mailbox.org> Acked-by: Robin Jarry <robin@jarry.cc>
* fix: out-of-bounds error in command headerMoritz Poldrack2022-04-061-0/+6
| | | | | | | | This commit fixes an out-of-bound error that happened while parsing commands. Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* header: remove trailing colon in header fieldMoritz Poldrack2022-04-061-0/+2
| | | | | | | | With this commit trailing colons in the :header command's field are removed to prevent double-colon-headers from being sent. Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* ui: fix panic in header formatterMoritz Poldrack2022-04-061-0/+4
| | | | | | Reported-by: noex Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: parse headers correctly from -HEvan Gates2022-04-061-2/+15
| | | | | | | | | | | | By using :compose -H <header> a user should be able to add arbitrary headers to an email. The existing implementation from 5b523880b4b4cd2abd9457b4b09c384af33be14b added the headers as lines to the beginning of the body. These lines were not interpreted as headers anywhere and ended up as plain text in the body of the email. Fix the code to parse and add the headers correctly. Signed-off-by: Evan Gates <evan.gates@gmail.com> Tested-by: Moritz Poldrack <moritz@poldrack.dev>
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