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* compose: allow sending format=flowed messagesRobin Jarry2023-01-261-8/+13
| | | | | | | | | | | | | | | | | | | | Allow composing and sending messages with: Content-Type: text/plain; Format=Flowed This requires additional configuration in the text editor to actually produce the required trailing spaces at the end of lines that are part of the same paragraph. For example, with vim: "~/.vim/ftplugin/mail.vim setlocal textwidth=72 setlocal formatoptions=1jnwtcql setlocal comments+=nb:> Link: https://www.rfc-editor.org/rfc/rfc3676.html Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Moritz Poldrack <moritz@poldrack.dev>
* switch-account: also switch account configurationBence Ferdinandy2023-01-261-1/+1
| | | | | | | | | When switching accounts, headers were updated, but not the account configurations in the composer. Switch the account config also and add a debug log to send with the uri being used. Signed-off-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Robin Jarry <robin@jarry.cc>
* pgp: add configurable error level for opportunistic encryptionTim Culverhouse2023-01-061-1/+15
| | | | | | | | | | | | | | Add a user-configurable error level for when opportunistic encryption is enabled but the message cannot be encrypted. Set the default level to this as "warn". This config option *only* applies when opportunistic encryption is enabled. If a user tries to manually encrypt a message, an error will still be shown. Don't show encryption status until at least one recipient is added. Fixes: https://todo.sr.ht/~rjarry/aerc/95 Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* doc: fix English typosRobin Jarry2023-01-061-1/+1
| | | | | | | Reported by Lintian (Debian). Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* templates: add more fields and functionsRobin Jarry2023-01-041-1/+14
| | | | | | | | | | | Add functions and fields in preparation for more than only message templates. The idea is to reuse the same symbols for the message list format and other parts of the UI. Update the man page accordingly. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* templates: change fields as lazy functionsRobin Jarry2023-01-041-3/+3
| | | | | | | | | No need to pre-render fields that are not necessarily accessed in templates. Change fields to functions that are evaluated only when required. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* config: parse account from and aliases onceRobin Jarry2023-01-041-31/+4
| | | | | | | | | Instead of accepting any garbage for these configuration fields, parse them when parsing accounts.conf and store mail.Address objects. Reuse these objects everywhere. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* send: add option to send&archiveBence Ferdinandy2023-01-041-1/+7
| | | | | | | | | Add `:send -a flat|month|year` to send, which archives the message being replied to. Extract most of archive logic into a separate function to make sure it behaves as manual archiving. Signed-off-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Robin Jarry <robin@jarry.cc>
* config: make various sections accessible via global varsRobin Jarry2022-12-141-22/+20
| | | | | | | | | | | | | | | | | | | | There is only one instance of AercConfig which is associated to the Aerc widget. Everywhere we need to access configuration options, we need somehow to get a reference either to the Aerc widget or to a pointer to the AercConfig instance. This makes the code cluttered. Remove the AercConfig structure and every place where it is referenced. Instead, declare global variables for every configuration section and access them directly from the `config` module. Since bindings and ui sections can be "contextual" (i.e. per account, per folder or per subject), leave most local references intact. Replacing them with config.{Ui,Binds}.For{Account,Folder,Subject} would make this patch even more unreadable. This is something that may be addressed in the future. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* config: rework contextual sections implementationRobin Jarry2022-12-141-4/+1
| | | | | | | | | | | | | The current contextual binds and ui config API is awkward and cumbersome to use. Rework it to make it more elegant. Store the contextual sections as private fields of the UIConfig and KeyBindings structures. Add cache to avoid recomputation of the composed UIConfig and KeyBindings objects every time a contextual item is requested. Replace the cache from DirectoryList with that. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* compose: allow writing multipart/alternative messagesRobin Jarry2022-12-071-1/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new :multipart command that can be executed on the composer review screen. This command takes a MIME type as argument which needs to match a setting in the new [multipart-converters] section of aerc.conf. A part can be removed by using the -d flag. The [multipart-converters] section has MIME types associated with commands. These commands are executed with sh -c every time the main email body is updated to generate each part content. The commands are expected to output valid UTF-8 text. If a command fails, an explicit error will be printed next to the part MIME type to allow users to debug their issue but the email may still be sent anyway with an empty alternative part. This is mostly intended for people who *really* need to send html messages for their boss or for corporate reasons. For now, it is a manual and explicit action to convert a message in such a way. Here is an example configuration: [multipart-converters] text/html = pandoc -f markdown -t html And the associated binding to append an HTML alternative to a message: [compose::review] H = :multipart text/html<enter> hh = :multipart -d text/html<enter> Link: https://lists.sr.ht/~rjarry/aerc-discuss/%3CCO5KH4W57XNB.2PZLR1CNFK22H%40mashenka%3E Co-authored-by: Eric McConville <emcconville@emcconville.com> Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* compose: show relevant bindings on review screenBence Ferdinandy2022-12-021-20/+48
| | | | | | | | | | Currently compose will always show only some hardcoded default commands. If hardcoded command is not bound to any key remove it from the list. If user adds new bindings to compose::review add them - without help text - at the bottom. Signed-off-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Robin Jarry <robin@jarry.cc>
* logging: rename package to logRobin Jarry2022-12-021-15/+15
| | | | | | | | | | Use the same name than the builtin "log" package. That way, we do not risk logging in the wrong place. Suggested-by: Tim Culverhouse <tim@timculverhouse.com> Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* logging: homogenize levelsRobin Jarry2022-12-021-2/+2
| | | | | | | | | | | | | | | | | | The main goal is to ensure that by default, the log file (if configured) does not grow out of proportions. Most of the logging messages in aerc are actually for debugging and/or trace purposes. Define clear rules for logging levels. Enforce these rules everywhere. After this patch, here is what the log file looks like after starting up with a single account: INFO 2022/11/24 20:26:16.147164 aerc.go:176: Starting up version 0.13.0-100-g683981479c60 (go1.18.7 amd64 linux) INFO 2022/11/24 20:26:17.546448 account.go:254: [work] connected. Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* composer: add message previewKoni Marti2022-11-091-6/+8
| | | | | | | | | | Add message preview to the composer. Add preview option to the review window. Open the message in a message viewer before sending to check the headers and attachments. Implements: https://todo.sr.ht/~rjarry/aerc/86 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* lib: prepare attachments for multiple readsKoni Marti2022-11-091-15/+32
| | | | | | | | | | | Prepare attachments for multiple reads. The data for lib.PartAttachment is stored as an io.Reader which can only be read once. This will cause an issue when we want to call composer.WriteMessage multiple times, i.e. for a message preview. We fix this by keeping a copy of the data and create a new reader everytime the attachment is read. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: warn user when editor is not in PATHTim Culverhouse2022-11-061-5/+8
| | | | | | | | | Warn user when configured editor is not in path. Attempt fallbacks, and throw error if none of the fallbacks are in PATH. Fixes: https://todo.sr.ht/~rjarry/aerc/94 Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* auto-completion: add option to require a min number of charsRobin Jarry2022-11-061-3/+15
| | | | | | | | | | When doing address completion via commands that take a while to run, having the completion trigger even with a single character can be non-optimal. Add an option to allow requiring a minimum number of characters to actually run the completion command. Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Tim Culverhouse <tim@timculverhouse.com>
* compose: warn before sending without attachmentJason Cox2022-10-171-0/+20
| | | | | | | | | | Prevent the embarrassing forgotten attachment scenario by warning the user before sending a message that may need an attachment but does not have one. Whether a message needs an attachment is determined by testing a configurable regex against the message body. Signed-off-by: Jason Cox <dev@jasoncarloscox.com> Acked-by: Robin Jarry <robin@jarry.cc>
* switch-account: fix out-of-bounds panicKoni Marti2022-10-171-0/+3
| | | | | | | | | | Fix out-of-bounds panic by updating the focused int variable when headers change in the switch-account commands. Fixes: d371c1ac8 ("commands: add switch-account command for composer") Reported-by: Bence Ferdinandy <bence@ferdinandy.com> Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: don't lock call to composer.grid.MouseEventTim Culverhouse2022-10-121-1/+3
| | | | | | | | | | | | | | | | The MouseEvent method of the composer passes on the mouse event to it's underlying grid while the composer is locked. The underlying grid then passes on the mouse event to child objects of the grid, which are referenced via fields of the composer (c.editor is a field in composer but a child of c.grid, for example). When the grid attempts to pass on the mouse event, it is referencing a pointer which is locked, and a deadlock occurs due to the original lock in composer.MouseEvent. Unlock before calling the grid.MouseEvent, and lock the composer again after it is called. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* invalidatable: cleanup dead codeTim Culverhouse2022-10-121-30/+5
| | | | | | | | Remove invalidatable type and all associated calls. All items can directly invalidate the UI. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: avoid deadlock when adding new headerRobin Jarry2022-10-111-1/+5
| | | | | | | | | | | | AddEditor acquires the lock and calls FocusEditor which also attempts to acquire it. Since the lock is not re-entrant, it ends in deadlock. Add an internal focusEditor fonction that does not acquire the lock. Fixes: bf2bf8c242cb ("compose: prevent out of bounds access") Reported-by: Moritz Poldrack <moritz@poldrack.dev> Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Thomas Vigouroux <thomas.vigouroux@protonmail.com>
* compose: fix mouse focus of header editorsRobin Jarry2022-10-111-0/+6
| | | | | | | | | The algorithm is broken, there may be more than one header editor with focused=true. Reset the focused flag before forwarding the mouse event to the composer grid. Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Bence Ferdinandy <bence@ferdinandy.com>
* compose: avoid double lock in MouseEventTim Culverhouse2022-10-051-2/+5
| | | | | | | | | | | | | The MouseEvent locks the composer, and also calls FocusEditor which attempts to lock the composer. This results in a deadlock. No need to call FocusEditor which takes a name as parameter and needs to iterate over all editors to find the correct one. We already have the headerEditor object, use it directly. Fixes: bf2bf8c242cb ("compose: prevent out of bounds access") Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Signed-off-by: Robin Jarry <robin@jarry.cc>
* compose: prevent out of bounds accessRobin Jarry2022-09-291-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following panic, seen while switching accounts: runtime error: index out of range [4] with length 4 goroutine 6 [running]: git.sr.ht/~rjarry/aerc/widgets.(*Composer).Focus(0xc005cfbe30?, 0x40?) git.sr.ht/~rjarry/aerc/widgets/compose.go:618 +0x51 git.sr.ht/~rjarry/aerc/widgets.(*Aerc).focus(0xc00034c000, {0x0?, 0x0}) git.sr.ht/~rjarry/aerc/widgets/aerc.go:568 +0xec git.sr.ht/~rjarry/aerc/widgets.(*Aerc).BeginExCommand.func2() git.sr.ht/~rjarry/aerc/widgets/aerc.go:590 +0x4c git.sr.ht/~rjarry/aerc/widgets.(*ExLine).Event(0xc009453860, {0xbb6820?, 0xc009baa320?}) git.sr.ht/~rjarry/aerc/widgets/exline.go:81 +0xbc git.sr.ht/~rjarry/aerc/widgets.(*Aerc).Event(0xc009ab1950?, {0xbb6820?, 0xc009baa320?}) git.sr.ht/~rjarry/aerc/widgets/aerc.go:285 +0x470 git.sr.ht/~rjarry/aerc/lib/ui.(*UI).ProcessEvents(0xc000327540) git.sr.ht/~rjarry/aerc/lib/ui/ui.go:117 +0x202 created by main.main git.sr.ht/~rjarry/aerc/aerc.go:244 +0x94c Protect Composer.editable and Composer.focus with a mutex. Reported-by: Bence Ferdinandy <bence@ferdinandy.com> Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* composer: restructure to implement account switchingKoni Marti2022-09-191-30/+91
| | | | | | | | | Extract some functionality of the composer constructor into a account-specific setup function that can be used to implement account switching. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: protect calls to terminal methods throughout aercTim Culverhouse2022-09-191-0/+3
| | | | | | | | | | | | | | A race condition can occur when a PartViewer is closing and also working on a draw. The closing process sets the terminal to nil, which will create a panic. This can be tested in development by setting the timer in the main aerc tick loop to something very low (1 ms for example). One other unprotected call to terminal exists in the composer widget. Check that the terminal is not nil before calling methods on it. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* config: add option to hide timezone in sent emailsMoritz Poldrack2022-09-141-1/+5
| | | | | | | | | | | | Some people are worried that they might leak their timezone and wish to send their mails with the Date header in UTC. For this a new key is added to the account sections to enforce sending in UTC instead of the system's timezone. Suggested-by: "Ricardo Correia" <aerc-lists.sr.ht@wizy.org> Thanks: to Ricardo for checking and correcting my incorrect assertions Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* go: removed io/ioutilMoritz Poldrack2022-08-221-3/+2
| | | | | | | | | | Since the minimum required version of Go has been bumped to 1.16, the deprecation of io/ioutil can now be acted upon. This Commit removes the remaining dependencies on ioutil and replaces them with their io or os counterparts. Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* lint: work nicely with wrapped errors (errorlint)Moritz Poldrack2022-08-041-4/+4
| | | | | | | | Error wrapping as introduced in Go 1.13 adds some additional logic to use for comparing errors and adding information to it. Signed-off-by: Moritz Poldrack <moritz@poldrack.dev> Acked-by: Robin Jarry <robin@jarry.cc>
* lint: homogenize operations and minor fixes (gocritic)Moritz Poldrack2022-08-041-12/+9
| | | | | | | | | | | | | | | | | | Apply GoDoc comment policy (comments for humans should have a space after the //; machine-readable comments shouldn't) Use strings.ReplaceAll instead of strings.Replace when appropriate Remove if/else chains by replacing them with switches Use short assignment/increment notation Replace single case switches with if statements Combine else and if when appropriate Signed-off-by: Moritz Poldrack <moritz@poldrack.dev> Acked-by: Robin Jarry <robin@jarry.cc>
* lint: ensure errors are at least logged (errcheck)Moritz Poldrack2022-08-041-13/+50
| | | | | Signed-off-by: Moritz Poldrack <moritz@poldrack.dev> Acked-by: Robin Jarry <robin@jarry.cc>
* lint: remove unused structs and functions (unused)Moritz Poldrack2022-08-041-7/+0
| | | | | Signed-off-by: Moritz Poldrack <moritz@poldrack.dev> Acked-by: Robin Jarry <robin@jarry.cc>
* lint: apply new formatting rulesMoritz Poldrack2022-08-011-16/+15
| | | | | | | Run `make fmt`. Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* logging: use level-based logger functionsRobin Jarry2022-07-231-1/+2
| | | | | | | | | | | | Do not pass logger objects around anymore. Shuffle some messages to make them consistent with the new logging API. Avoid using %v when a more specific verb exists for the argument types. The loggers are completely disabled (i.e. Sprintf is not even called) by default. They are only enabled when redirecting stdout to a file. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* config: allow per-account address-book-cmdRobin Jarry2022-07-171-1/+5
| | | | | | | | When using multiple accounts, the contacts may be different. Allow using specific address book commands per account. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* completer: remove useless logger parameterRobin Jarry2022-07-171-1/+1
| | | | | | | Report the error to the user directly. Signed-off-by: Robin Jarry <robin@jarry.cc> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* composer: remove header if emptyKoni Marti2022-07-101-1/+2
| | | | | | | | | | | | Remove a header when it is empty. Commit a253e89bdae6 ("compose: prevent sending empty address list headers") tried to avoid sending empty headers; but instead of deleting the header, the empty string value was just ignored. Fixes: https://todo.sr.ht/~rjarry/aerc/55 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* uiconfig: use pointer references to uiConfigTim Culverhouse2022-07-031-3/+3
| | | | | | | | This patch changes references to uiConfig in function signatures and structs to be pointers. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: refactor attachment handlingKoni Marti2022-07-021-149/+83
| | | | | | | | | | | | Refactor the attachment handling process in the composer. The composer can currently only handle attachments that are stored as files (or pgp keys). This patch removes this limitation so that any message part can be handled as an attachment. With this we can treat files, pgp keys and message parts on an equal footing and it will enable us also to easily forward attachments. Signed-off-by: Koni Marti <koni.marti@gmail.com> Tested-by: Tim Culverhouse <tim@timculverhouse.com>
* gpg: don't send messages that failed encryptionTim Culverhouse2022-06-261-1/+4
| | | | | | | | | | | | Add error handling for messages that were unable to be encrypted. Previously, messages that failed encryption would be sent with no content. This patch adds error handling - when encryption fails, the user is returned to the Review screen and instructed to check the public keys for their recipients. Reported-by: Moritz Poldrack <moritz@poldrack.dev> Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* compose: append text partsKoni Marti2022-05-311-13/+58
| | | | | | | | Append text parts to emails in the composer as multipart/alternative. Display the mime-type of the parts in the review window. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* compose: prevent sending empty address list headersTim Culverhouse2022-05-251-0/+4
| | | | | | | | | | Aerc was sending empty address list header fields (specifically CC by default). This was causing DKIM failures in lists.sr.ht. RFC 5322 states that an address field should consist of the field name and one or more addresses, implying empty fields are not allowed. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* pgp: add attach key commandTim Culverhouse2022-05-061-2/+78
| | | | | | | | | 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 Culverhouse2022-05-061-9/+70
| | | | | | | | | | | | | | | | 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 Culverhouse2022-05-061-0/+7
| | | | | | | | 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>
* 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: check for signing key before signing timeTim Culverhouse2022-05-041-6/+30
| | | | | | | | | | 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>
* 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>
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