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| -rw-r--r-- | dot_vim/plugin/gnupg.vim | 1226 |
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diff --git a/dot_vim/plugin/gnupg.vim b/dot_vim/plugin/gnupg.vim deleted file mode 100644 index e2e7665..0000000 --- a/dot_vim/plugin/gnupg.vim +++ /dev/null @@ -1,1226 +0,0 @@ -" Name: gnupg.vim -" Last Change: 2011 Nov 23 -" Maintainer: James McCoy <vega.james@gmail.com> -" Original Author: Markus Braun <markus.braun@krawel.de> -" Summary: Vim plugin for transparent editing of gpg encrypted files. -" License: This program is free software; you can redistribute it and/or -" modify it under the terms of the GNU General Public License -" as published by the Free Software Foundation; either version -" 2 of the License, or (at your option) any later version. -" See http://www.gnu.org/copyleft/gpl-2.0.txt -" -" Section: Documentation {{{1 -" -" Description: {{{2 -" -" This script implements transparent editing of gpg encrypted files. The -" filename must have a ".gpg", ".pgp" or ".asc" suffix. When opening such -" a file the content is decrypted, when opening a new file the script will -" ask for the recipients of the encrypted file. The file content will be -" encrypted to all recipients before it is written. The script turns off -" viminfo and swapfile to increase security. -" -" Installation: {{{2 -" -" Copy the gnupg.vim file to the $HOME/.vim/plugin directory. -" Refer to ':help add-plugin', ':help add-global-plugin' and ':help -" runtimepath' for more details about Vim plugins. -" -" From "man 1 gpg-agent": -" -" ... -" You should always add the following lines to your .bashrc or whatever -" initialization file is used for all shell invocations: -" -" GPG_TTY=`tty` -" export GPG_TTY -" -" It is important that this environment variable always reflects the out‐ -" put of the tty command. For W32 systems this option is not required. -" ... -" -" Most distributions provide software to ease handling of gpg and gpg-agent. -" Examples are keychain or seahorse. -" -" Commands: {{{2 -" -" :GPGEditRecipients -" Opens a scratch buffer to change the list of recipients. Recipients that -" are unknown (not in your public key) are highlighted and have -" a prepended "!". Closing the buffer makes the changes permanent. -" -" :GPGViewRecipients -" Prints the list of recipients. -" -" :GPGEditOptions -" Opens a scratch buffer to change the options for encryption (symmetric, -" asymmetric, signing). Closing the buffer makes the changes permanent. -" WARNING: There is no check of the entered options, so you need to know -" what you are doing. -" -" :GPGViewOptions -" Prints the list of options. -" -" Variables: {{{2 -" -" g:GPGExecutable -" If set used as gpg executable, otherwise the system chooses what is run -" when "gpg" is called. Defaults to "gpg". -" -" g:GPGUseAgent -" If set to 0 a possible available gpg-agent won't be used. Defaults to 1. -" -" g:GPGPreferSymmetric -" If set to 1 symmetric encryption is preferred for new files. Defaults to 0. -" -" g:GPGPreferArmor -" If set to 1 armored data is preferred for new files. Defaults to 0 -" unless a "*.asc" file is being edited. -" -" g:GPGPreferSign -" If set to 1 signed data is preferred for new files. Defaults to 0. -" -" g:GPGDefaultRecipients -" If set, these recipients are used as defaults when no other recipient is -" defined. This variable is a Vim list. Default is unset. -" -" g:GPGUsePipes -" If set to 1, use pipes instead of temporary files when interacting with -" gnupg. When set to 1, this can cause terminal-based gpg agents to not -" display correctly when prompting for passwords. Defaults to 0. -" -" Known Issues: {{{2 -" -" In some cases gvim can't decrypt files - -" This is caused by the fact that a running gvim has no TTY and thus gpg is -" not able to ask for the passphrase by itself. This is a problem for Windows -" and Linux versions of gvim and could not be solved unless a "terminal -" emulation" is implemented for gvim. To circumvent this you have to use any -" combination of gpg-agent and a graphical pinentry program: -" -" - gpg-agent only: -" you need to provide the passphrase for the needed key to gpg-agent -" in a terminal before you open files with gvim which require this key. -" -" - pinentry only: -" you will get a popup window every time you open a file that needs to -" be decrypted. -" -" - gpgagent and pinentry: -" you will get a popup window the first time you open a file that -" needs to be decrypted. -" -" Credits: {{{2 -" -" - Mathieu Clabaut for inspirations through his vimspell.vim script. -" - Richard Bronosky for patch to enable ".pgp" suffix. -" - Erik Remmelzwaal for patch to enable windows support and patient beta -" testing. -" - Lars Becker for patch to make gpg2 working. -" - Thomas Arendsen Hein for patch to convert encoding of gpg output. -" - Karl-Heinz Ruskowski for patch to fix unknown recipients and trust model -" and patient beta testing. -" - Giel van Schijndel for patch to get GPG_TTY dynamically. -" - Sebastian Luettich for patch to fix issue with symmetric encryption an set -" recipients. -" - Tim Swast for patch to generate signed files. -" - James Vega for patches for better '*.asc' handling, better filename -" escaping and better handling of multiple keyrings. -" -" Section: Plugin header {{{1 - -" guard against multiple loads {{{2 -if (exists("g:loaded_gnupg") || &cp || exists("#BufReadCmd*.\(gpg\|asc\|pgp\)")) - finish -endif -let g:loaded_gnupg = '2.3' -let s:GPGInitRun = 0 - -" check for correct vim version {{{2 -if (v:version < 702) - echohl ErrorMsg | echo 'plugin gnupg.vim requires Vim version >= 7.2' | echohl None - finish -endif - -" Section: Autocmd setup {{{1 - -augroup GnuPG - autocmd! - - " do the decryption - autocmd BufReadCmd,FileReadCmd *.\(gpg\|asc\|pgp\) call s:GPGInit() - autocmd BufReadCmd,FileReadCmd *.\(gpg\|asc\|pgp\) call s:GPGDecrypt() - autocmd BufReadCmd *.\(gpg\|asc\|pgp\) call s:GPGBufReadPost() - - " convert all text to encrypted text before writing - autocmd BufWriteCmd,FileWriteCmd *.\(gpg\|asc\|pgp\) call s:GPGInit() - autocmd BufWriteCmd,FileWriteCmd *.\(gpg\|asc\|pgp\) call s:GPGEncrypt() - - " cleanup on leaving vim - autocmd VimLeave *.\(gpg\|asc\|pgp\) call s:GPGCleanup() -augroup END - -" Section: Constants {{{1 - -let s:GPGMagicString = "\t \t" - -" Section: Highlight setup {{{1 - -highlight default link GPGWarning WarningMsg -highlight default link GPGError ErrorMsg -highlight default link GPGHighlightUnknownRecipient ErrorMsg - -" Section: Functions {{{1 - -" Function: s:GPGInit() {{{2 -" -" initialize the plugin -" -function s:GPGInit() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGInit()") - - " we don't want a swap file, as it writes unencrypted data to disk - setl noswapfile - - " if persistent undo is present, disable it for this buffer - if exists('+undofile') - setl noundofile - endif - - " the rest only has to be run once - if s:GPGInitRun - return - endif - - " first make sure nothing is written to ~/.viminfo while editing - " an encrypted file. - set viminfo= - - " check what gpg command to use - if (!exists("g:GPGExecutable")) - let g:GPGExecutable = "gpg --trust-model always" - endif - - " check if gpg-agent is allowed - if (!exists("g:GPGUseAgent")) - let g:GPGUseAgent = 1 - endif - - " check if symmetric encryption is preferred - if (!exists("g:GPGPreferSymmetric")) - let g:GPGPreferSymmetric = 0 - endif - - " check if armored files are preferred - if (!exists("g:GPGPreferArmor")) - " .asc files should be armored as that's what the extension is used for - if expand('<afile>') =~ '\.asc$' - let g:GPGPreferArmor = 1 - else - let g:GPGPreferArmor = 0 - endif - endif - - " check if signed files are preferred - if (!exists("g:GPGPreferSign")) - let g:GPGPreferSign = 0 - endif - - " start with empty default recipients if none is defined so far - if (!exists("g:GPGDefaultRecipients")) - let g:GPGDefaultRecipients = [] - endif - - " prefer not to use pipes since it can garble gpg agent display - if (!exists("g:GPGUsePipes")) - let g:GPGUsePipes = 0 - endif - - " allow alternate gnupg homedir - if (!exists('g:GPGHomedir')) - let g:GPGHomedir = '' - endif - - " print version - call s:GPGDebug(1, "gnupg.vim ". g:loaded_gnupg) - - " determine if gnupg can use the gpg-agent - if (exists("$GPG_AGENT_INFO") && g:GPGUseAgent == 1) - if (!exists("$GPG_TTY") && !has("gui_running")) - let $GPG_TTY = system("tty") - if (v:shell_error) - let $GPG_TTY = "" - echohl GPGError - echom "The GPG_TTY is not set and no TTY could be found using the `tty` command!" - echom "gpg-agent might not work." - echohl None - endif - endif - let s:GPGCommand = g:GPGExecutable . " --use-agent" - else - let s:GPGCommand = g:GPGExecutable . " --no-use-agent" - endif - - " don't use tty in gvim except for windows: we get their a tty for free. - " FIXME find a better way to avoid an error. - " with this solution only --use-agent will work - if (has("gui_running") && !has("gui_win32")) - let s:GPGCommand = s:GPGCommand . " --no-tty" - endif - - " setup shell environment for unix and windows - let s:shellredirsave = &shellredir - let s:shellsave = &shell - let s:shelltempsave = &shelltemp - " noshelltemp isn't currently supported on Windows, but it doesn't cause any - " errors and this future proofs us against requiring changes if Windows - " gains noshelltemp functionality - let s:shelltemp = !g:GPGUsePipes - if (has("unix")) - " unix specific settings - let s:shellredir = ">%s 2>&1" - let s:shell = '/bin/sh' - let s:stderrredirnull = '2>/dev/null' - let s:GPGCommand = "LANG=C LC_ALL=C " . s:GPGCommand - else - " windows specific settings - let s:shellredir = '>%s' - let s:shell = &shell - let s:stderrredirnull = '2>nul' - endif - - call s:GPGDebug(3, "shellredirsave: " . s:shellredirsave) - call s:GPGDebug(3, "shellsave: " . s:shellsave) - call s:GPGDebug(3, "shelltempsave: " . s:shelltempsave) - - call s:GPGDebug(3, "shell: " . s:shell) - call s:GPGDebug(3, "shellcmdflag: " . &shellcmdflag) - call s:GPGDebug(3, "shellxquote: " . &shellxquote) - call s:GPGDebug(3, "shellredir: " . s:shellredir) - call s:GPGDebug(3, "stderrredirnull: " . s:stderrredirnull) - - call s:GPGDebug(3, "shell implementation: " . resolve(s:shell)) - - " find the supported algorithms - let output = s:GPGSystem({ 'level': 2, 'args': '--version' }) - - let s:GPGPubkey = substitute(output, ".*Pubkey: \\(.\\{-}\\)\n.*", "\\1", "") - let s:GPGCipher = substitute(output, ".*Cipher: \\(.\\{-}\\)\n.*", "\\1", "") - let s:GPGHash = substitute(output, ".*Hash: \\(.\\{-}\\)\n.*", "\\1", "") - let s:GPGCompress = substitute(output, ".*Compress.\\{-}: \\(.\\{-}\\)\n.*", "\\1", "") - - call s:GPGDebug(2, "public key algorithms: " . s:GPGPubkey) - call s:GPGDebug(2, "cipher algorithms: " . s:GPGCipher) - call s:GPGDebug(2, "hashing algorithms: " . s:GPGHash) - call s:GPGDebug(2, "compression algorithms: " . s:GPGCompress) - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGInit()") - let s:GPGInitRun = 1 -endfunction - -" Function: s:GPGCleanup() {{{2 -" -" cleanup on leaving vim -" -function s:GPGCleanup() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGCleanup()") - - " wipe out screen - new +only - redraw! - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGCleanup()") -endfunction - -" Function: s:GPGDecrypt() {{{2 -" -" decrypt the buffer and find all recipients of the encrypted file -" -function s:GPGDecrypt() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGDecrypt()") - - " get the filename of the current buffer - let filename = expand("<afile>:p") - - " clear GPGRecipients and GPGOptions - let b:GPGRecipients = g:GPGDefaultRecipients - let b:GPGOptions = [] - - " File doesn't exist yet, so nothing to decrypt - if empty(glob(filename)) - return - endif - - " Only let this if the file actually exists, otherwise GPG functionality - " will be disabled when editing a buffer that doesn't yet have a backing - " file - let b:GPGEncrypted = 0 - - " find the recipients of the file - let cmd = { 'level': 3 } - let cmd.args = '--verbose --decrypt --list-only --dry-run --batch --no-use-agent --logger-fd 1 ' . shellescape(filename) - let output = s:GPGSystem(cmd) - - let asymmPattern = 'gpg: public key is \%(0x\)\=[[:xdigit:]]\{8,16}' - " check if the file is symmetric/asymmetric encrypted - if (match(output, "gpg: encrypted with [[:digit:]]\\+ passphrase") >= 0) - " file is symmetric encrypted - let b:GPGEncrypted = 1 - call s:GPGDebug(1, "this file is symmetric encrypted") - - let b:GPGOptions += ["symmetric"] - - " find the used cipher algorithm - let cipher = substitute(output, ".*gpg: \\([^ ]\\+\\) encrypted data.*", "\\1", "") - if (match(s:GPGCipher, "\\<" . cipher . "\\>") >= 0) - let b:GPGOptions += ["cipher-algo " . cipher] - call s:GPGDebug(1, "cipher-algo is " . cipher) - else - echohl GPGWarning - echom "The cipher " . cipher . " is not known by the local gpg command. Using default!" - echo - echohl None - endif - elseif (match(output, asymmPattern) >= 0) - " file is asymmetric encrypted - let b:GPGEncrypted = 1 - call s:GPGDebug(1, "this file is asymmetric encrypted") - - let b:GPGOptions += ["encrypt"] - - " find the used public keys - let start = match(output, asymmPattern) - while (start >= 0) - let start = start + strlen("gpg: public key is ") - let recipient = matchstr(output, '[[:xdigit:]]\{8,16}', start) - call s:GPGDebug(1, "recipient is " . recipient) - let name = s:GPGNameToID(recipient) - if (strlen(name) > 0) - let b:GPGRecipients += [name] - call s:GPGDebug(1, "name of recipient is " . name) - else - let b:GPGRecipients += [recipient] - echohl GPGWarning - echom "The recipient \"" . recipient . "\" is not in your public keyring!" - echohl None - end - let start = match(output, asymmPattern, start) - endwhile - else - " file is not encrypted - let b:GPGEncrypted = 0 - call s:GPGDebug(1, "this file is not encrypted") - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - silent exe '.r ' . fnameescape(filename) - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGDecrypt()") - return - endif - - " check if the message is armored - if (match(output, "gpg: armor header") >= 0) - call s:GPGDebug(1, "this file is armored") - let b:GPGOptions += ["armor"] - endif - - " finally decrypt the buffer content - " since even with the --quiet option passphrase typos will be reported, - " we must redirect stderr (using shell temporarily) - call s:GPGDebug(1, "decrypting file") - let cmd = { 'level': 1, 'ex': 'r !' } - let cmd.args = '--quiet --decrypt ' . shellescape(filename, 1) - call s:GPGExecute(cmd) - - if (v:shell_error) " message could not be decrypted - echohl GPGError - let blackhole = input("Message could not be decrypted! (Press ENTER)") - echohl None - silent bwipeout! - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGDecrypt()") - return - endif - - " refresh screen - redraw! - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGDecrypt()") -endfunction - -function s:GPGBufReadPost() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGBufReadPost()") - silent 1delete - " call the autocommand for the file minus .gpg$ - execute ':doautocmd BufReadPost ' . fnameescape(expand('<afile>:r')) - call s:GPGDebug(2, 'called autocommand for ' . fnameescape(expand('<afile>:r'))) - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGBufReadPost()") -endfunction - -" Function: s:GPGEncrypt() {{{2 -" -" encrypts the buffer to all previous recipients -" -function s:GPGEncrypt() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGEncrypt()") - - " store encoding and switch to a safe one - if (&fileencoding != &encoding) - let s:GPGEncoding = &encoding - let &encoding = &fileencoding - call s:GPGDebug(2, "encoding was \"" . s:GPGEncoding . "\", switched to \"" . &encoding . "\"") - else - let s:GPGEncoding = "" - call s:GPGDebug(2, "encoding and fileencoding are the same (\"" . &encoding . "\"), not switching") - endif - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGError - let blackhole = input("Message could not be encrypted! (Press ENTER)") - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()") - return - endif - - " initialize GPGOptions if not happened before - if (!exists("b:GPGOptions") || len(b:GPGOptions) == 0) - let b:GPGOptions = [] - if (exists("g:GPGPreferSymmetric") && g:GPGPreferSymmetric == 1) - let b:GPGOptions += ["symmetric"] - let b:GPGRecipients = [] - else - let b:GPGOptions += ["encrypt"] - endif - if (exists("g:GPGPreferArmor") && g:GPGPreferArmor == 1) - let b:GPGOptions += ["armor"] - endif - if (exists("g:GPGPreferSign") && g:GPGPreferSign == 1) - let b:GPGOptions += ["sign"] - endif - call s:GPGDebug(1, "no options set, so using default options: " . string(b:GPGOptions)) - endif - - " built list of options - let options = "" - for option in b:GPGOptions - let options = options . " --" . option . " " - endfor - - if (!exists('b:GPGRecipients')) - let b:GPGRecipients = [] - endif - - " check here again if all recipients are available in the keyring - let [ recipients, unknownrecipients ] = s:GPGCheckRecipients(b:GPGRecipients) - - " check if there are unknown recipients and warn - if (len(unknownrecipients) > 0) - echohl GPGWarning - echom "Please use GPGEditRecipients to correct!!" - echo - echohl None - - " Let user know whats happend and copy known_recipients back to buffer - let dummy = input("Press ENTER to quit") - endif - - " built list of recipients - if (len(recipients) > 0) - for gpgid in recipients - let options = options . " -r " . gpgid - endfor - endif - - " encrypt the buffer - let destfile = tempname() - let cmd = { 'level': 1, 'ex': "'[,']w !" } - let cmd.args = '--quiet --no-encrypt-to ' . options - let cmd.redirect = '>' . shellescape(destfile, 1) - call s:GPGExecute(cmd) - - " restore encoding - if (s:GPGEncoding != "") - let &encoding = s:GPGEncoding - call s:GPGDebug(2, "restored encoding \"" . &encoding . "\"") - endif - - if (v:shell_error) " message could not be encrypted - " Command failed, so clean up the tempfile - call delete(destfile) - echohl GPGError - let blackhole = input("Message could not be encrypted! (Press ENTER)") - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()") - return - endif - - call rename(destfile, resolve(expand('<afile>'))) - setl nomodified - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEncrypt()") -endfunction - -" Function: s:GPGViewRecipients() {{{2 -" -" echo the recipients -" -function s:GPGViewRecipients() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGViewRecipients()") - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGViewRecipients()") - return - endif - - let [ recipients, unknownrecipients ] = s:GPGCheckRecipients(b:GPGRecipients) - - echo 'This file has following recipients (Unknown recipients have a prepended "!"):' - " echo the recipients - for name in recipients - let name = s:GPGIDToName(name) - echo name - endfor - - " echo the unknown recipients - echohl GPGWarning - for name in unknownrecipients - let name = "!" . name - echo name - endfor - echohl None - - " check if there is any known recipient - if (len(recipients) == 0) - echohl GPGError - echom 'There are no known recipients!' - echohl None - endif - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGViewRecipients()") -endfunction - -" Function: s:GPGEditRecipients() {{{2 -" -" create a scratch buffer with all recipients to add/remove recipients -" -function s:GPGEditRecipients() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGEditRecipients()") - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEditRecipients()") - return - endif - - " only do this if it isn't already a GPGRecipients_* buffer - if (match(bufname("%"), "^\\(GPGRecipients_\\|GPGOptions_\\)") != 0 && match(bufname("%"), "\.\\(gpg\\|asc\\|pgp\\)$") >= 0) - - " save buffer name - let buffername = bufname("%") - let editbuffername = "GPGRecipients_" . buffername - - " check if this buffer exists - if (!bufexists(editbuffername)) - " create scratch buffer - execute 'silent! split ' . fnameescape(editbuffername) - - " add a autocommand to regenerate the recipients after a write - autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call s:GPGFinishRecipientsBuffer() - else - if (bufwinnr(editbuffername) >= 0) - " switch to scratch buffer window - execute 'silent! ' . bufwinnr(editbuffername) . "wincmd w" - else - " split scratch buffer window - execute 'silent! sbuffer ' . fnameescape(editbuffername) - - " add a autocommand to regenerate the recipients after a write - autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call s:GPGFinishRecipientsBuffer() - endif - - " empty the buffer - silent %delete - endif - - " Mark the buffer as a scratch buffer - setlocal buftype=acwrite - setlocal bufhidden=hide - setlocal noswapfile - setlocal nowrap - setlocal nobuflisted - setlocal nonumber - - " so we know for which other buffer this edit buffer is - let b:GPGCorrespondingTo = buffername - - " put some comments to the scratch buffer - silent put ='GPG: ----------------------------------------------------------------------' - silent put ='GPG: Please edit the list of recipients, one recipient per line.' - silent put ='GPG: Unknown recipients have a prepended \"!\".' - silent put ='GPG: Lines beginning with \"GPG:\" are removed automatically.' - silent put ='GPG: Data after recipients between and including \"(\" and \")\" is ignored.' - silent put ='GPG: Closing this buffer commits changes.' - silent put ='GPG: ----------------------------------------------------------------------' - - " get the recipients - let [ recipients, unknownrecipients ] = s:GPGCheckRecipients(getbufvar(b:GPGCorrespondingTo, "GPGRecipients")) - - " if there are no known or unknown recipients, use the default ones - if (len(recipients) == 0 && len(unknownrecipients) == 0) - if (type(g:GPGDefaultRecipients) == type([])) - let [ recipients, unknownrecipients ] = s:GPGCheckRecipients(g:GPGDefaultRecipients) - else - echohl GPGWarning - echom "g:GPGDefaultRecipients is not a Vim list, please correct this in your vimrc!" - echohl None - endif - endif - - " put the recipients in the scratch buffer - for name in recipients - let name = s:GPGIDToName(name) - silent put =name - endfor - - " put the unknown recipients in the scratch buffer - let syntaxPattern = "\\(nonexxistinwordinthisbuffer" - for name in unknownrecipients - let name = "!" . name - let syntaxPattern = syntaxPattern . "\\|" . fnameescape(name) - silent put =name - endfor - let syntaxPattern = syntaxPattern . "\\)" - - " define highlight - if (has("syntax") && exists("g:syntax_on")) - execute 'syntax match GPGUnknownRecipient "' . syntaxPattern . '"' - highlight clear GPGUnknownRecipient - highlight link GPGUnknownRecipient GPGHighlightUnknownRecipient - - syntax match GPGComment "^GPG:.*$" - execute 'syntax match GPGComment "' . s:GPGMagicString . '.*$"' - highlight clear GPGComment - highlight link GPGComment Comment - endif - - " delete the empty first line - silent 1delete - - " jump to the first recipient - silent $ - - endif - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEditRecipients()") -endfunction - -" Function: s:GPGFinishRecipientsBuffer() {{{2 -" -" create a new recipient list from RecipientsBuffer -" -function s:GPGFinishRecipientsBuffer() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGFinishRecipientsBuffer()") - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGFinishRecipientsBuffer()") - return - endif - - " go to buffer before doing work - if (bufnr("%") != expand("<abuf>")) - " switch to scratch buffer window - execute 'silent! ' . bufwinnr(expand("<afile>")) . "wincmd w" - endif - - " delete the autocommand - autocmd! * <buffer> - - - " get the recipients from the scratch buffer - let recipients = [] - let lines = getline(1,"$") - for recipient in lines - " delete all text after magic string - let recipient = substitute(recipient, s:GPGMagicString . ".*$", "", "") - - " delete all spaces at beginning and end of the recipient - " also delete a '!' at the beginning of the recipient - let recipient = substitute(recipient, "^[[:space:]!]*\\(.\\{-}\\)[[:space:]]*$", "\\1", "") - - " delete comment lines - let recipient = substitute(recipient, "^GPG:.*$", "", "") - - " only do this if the line is not empty - if (strlen(recipient) > 0) - let gpgid = s:GPGNameToID(recipient) - if (strlen(gpgid) > 0) - if (match(recipients, gpgid) < 0) - let recipients += [gpgid] - endif - else - if (match(recipients, recipient) < 0) - let recipients += [recipient] - echohl GPGWarning - echom "The recipient \"" . recipient . "\" is not in your public keyring!" - echohl None - endif - endif - endif - endfor - - " write back the new recipient list to the corresponding buffer and mark it - " as modified. Buffer is now for sure a encrypted buffer. - call setbufvar(b:GPGCorrespondingTo, "GPGRecipients", recipients) - call setbufvar(b:GPGCorrespondingTo, "&mod", 1) - call setbufvar(b:GPGCorrespondingTo, "GPGEncrypted", 1) - - " check if there is any known recipient - if (len(recipients) == 0) - echohl GPGError - echom 'There are no known recipients!' - echohl None - endif - - " reset modified flag - setl nomodified - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGFinishRecipientsBuffer()") -endfunction - -" Function: s:GPGViewOptions() {{{2 -" -" echo the recipients -" -function s:GPGViewOptions() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGViewOptions()") - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGViewOptions()") - return - endif - - if (exists("b:GPGOptions")) - echo 'This file has following options:' - " echo the options - for option in b:GPGOptions - echo option - endfor - endif - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGViewOptions()") -endfunction - -" Function: s:GPGEditOptions() {{{2 -" -" create a scratch buffer with all recipients to add/remove recipients -" -function s:GPGEditOptions() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGEditOptions()") - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEditOptions()") - return - endif - - " only do this if it isn't already a GPGOptions_* buffer - if (match(bufname("%"), "^\\(GPGRecipients_\\|GPGOptions_\\)") != 0 && match(bufname("%"), "\.\\(gpg\\|asc\\|pgp\\)$") >= 0) - - " save buffer name - let buffername = bufname("%") - let editbuffername = "GPGOptions_" . buffername - - " check if this buffer exists - if (!bufexists(editbuffername)) - " create scratch buffer - execute 'silent! split ' . fnameescape(editbuffername) - - " add a autocommand to regenerate the options after a write - autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call s:GPGFinishOptionsBuffer() - else - if (bufwinnr(editbuffername) >= 0) - " switch to scratch buffer window - execute 'silent! ' . bufwinnr(editbuffername) . "wincmd w" - else - " split scratch buffer window - execute 'silent! sbuffer ' . fnameescape(editbuffername) - - " add a autocommand to regenerate the options after a write - autocmd BufHidden,BufUnload,BufWriteCmd <buffer> call s:GPGFinishOptionsBuffer() - endif - - " empty the buffer - silent %delete - endif - - " Mark the buffer as a scratch buffer - setlocal buftype=nofile - setlocal noswapfile - setlocal nowrap - setlocal nobuflisted - setlocal nonumber - - " so we know for which other buffer this edit buffer is - let b:GPGCorrespondingTo = buffername - - " put some comments to the scratch buffer - silent put ='GPG: ----------------------------------------------------------------------' - silent put ='GPG: THERE IS NO CHECK OF THE ENTERED OPTIONS!' - silent put ='GPG: YOU NEED TO KNOW WHAT YOU ARE DOING!' - silent put ='GPG: IF IN DOUBT, QUICKLY EXIT USING :x OR :bd.' - silent put ='GPG: Please edit the list of options, one option per line.' - silent put ='GPG: Please refer to the gpg documentation for valid options.' - silent put ='GPG: Lines beginning with \"GPG:\" are removed automatically.' - silent put ='GPG: Closing this buffer commits changes.' - silent put ='GPG: ----------------------------------------------------------------------' - - " put the options in the scratch buffer - let options = getbufvar(b:GPGCorrespondingTo, "GPGOptions") - - for option in options - silent put =option - endfor - - " delete the empty first line - silent 1delete - - " jump to the first option - silent $ - - " define highlight - if (has("syntax") && exists("g:syntax_on")) - syntax match GPGComment "^GPG:.*$" - highlight clear GPGComment - highlight link GPGComment Comment - endif - endif - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGEditOptions()") -endfunction - -" Function: s:GPGFinishOptionsBuffer() {{{2 -" -" create a new option list from OptionsBuffer -" -function s:GPGFinishOptionsBuffer() - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGFinishOptionsBuffer()") - - " guard for unencrypted files - if (exists("b:GPGEncrypted") && b:GPGEncrypted == 0) - echohl GPGWarning - echom "File is not encrypted, all GPG functions disabled!" - echohl None - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGFinishOptionsBuffer()") - return - endif - - " go to buffer before doing work - if (bufnr("%") != expand("<abuf>")) - " switch to scratch buffer window - execute 'silent! ' . bufwinnr(expand("<afile>")) . "wincmd w" - endif - - " clear options and unknownOptions - let options = [] - let unknownOptions = [] - - " delete the autocommand - autocmd! * <buffer> - - " get the options from the scratch buffer - let lines = getline(1, "$") - for option in lines - " delete all spaces at beginning and end of the option - " also delete a '!' at the beginning of the option - let option = substitute(option, "^[[:space:]!]*\\(.\\{-}\\)[[:space:]]*$", "\\1", "") - " delete comment lines - let option = substitute(option, "^GPG:.*$", "", "") - - " only do this if the line is not empty - if (strlen(option) > 0 && match(options, option) < 0) - let options += [option] - endif - endfor - - " write back the new option list to the corresponding buffer and mark it - " as modified - call setbufvar(b:GPGCorrespondingTo, "GPGOptions", options) - call setbufvar(b:GPGCorrespondingTo, "&mod", 1) - - " reset modified flag - setl nomodified - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGFinishOptionsBuffer()") -endfunction - -" Function: s:GPGCheckRecipients(tocheck) {{{2 -" -" check if recipients are known -" Returns: two lists recipients and unknownrecipients -" -function s:GPGCheckRecipients(tocheck) - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGCheckRecipients()") - - let recipients = [] - let unknownrecipients = [] - - if (type(a:tocheck) == type([])) - for recipient in a:tocheck - let gpgid = s:GPGNameToID(recipient) - if (strlen(gpgid) > 0) - if (match(recipients, gpgid) < 0) - let recipients += [gpgid] - endif - else - if (match(unknownrecipients, recipient) < 0) - let unknownrecipients += [recipient] - echohl GPGWarning - echom "The recipient \"" . recipient . "\" is not in your public keyring!" - echohl None - endif - end - endfor - endif - - call s:GPGDebug(2, "recipients are: " . string(recipients)) - call s:GPGDebug(2, "unknown recipients are: " . string(unknownrecipients)) - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGCheckRecipients()") - return [ recipients, unknownrecipients ] -endfunction - -" Function: s:GPGNameToID(name) {{{2 -" -" find GPG key ID corresponding to a name -" Returns: ID for the given name -" -function s:GPGNameToID(name) - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGNameToID()") - - " ask gpg for the id for a name - let cmd = { 'level': 2 } - let cmd.args = '--quiet --with-colons --fixed-list-mode --list-keys ' . shellescape(a:name) - let output = s:GPGSystem(cmd) - - " when called with "--with-colons" gpg encodes its output _ALWAYS_ as UTF-8, - " so convert it, if necessary - if (&encoding != "utf-8") - let output = iconv(output, "utf-8", &encoding) - endif - let lines = split(output, "\n") - - " parse the output of gpg - let pubseen = 0 - let counter = 0 - let gpgids = [] - let duplicates = {} - let choices = "The name \"" . a:name . "\" is ambiguous. Please select the correct key:\n" - for line in lines - - " check if this line has already been processed - if !has_key(duplicates, line) - let duplicates[line] = 1 - - let fields = split(line, ":") - " search for the next uid - if (pubseen == 1) - if (fields[0] == "uid") - let choices = choices . " " . fields[9] . "\n" - else - let pubseen = 0 - endif - endif - - " search for the next pub - if (pubseen == 0) - if (fields[0] == "pub") - let identity = fields[4] - let gpgids += [identity] - if exists("*strftime") - let choices = choices . counter . ": ID: 0x" . identity . " created at " . strftime("%c", fields[5]) . "\n" - else - let choices = choices . counter . ": ID: 0x" . identity . "\n" - endif - let counter = counter+1 - let pubseen = 1 - endif - endif - endif - - endfor - - " counter > 1 means we have more than one results - let answer = 0 - if (counter > 1) - let choices = choices . "Enter number: " - let answer = input(choices, "0") - while (answer == "") - let answer = input("Enter number: ", "0") - endwhile - endif - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGNameToID()") - return get(gpgids, answer, "") -endfunction - -" Function: s:GPGIDToName(identity) {{{2 -" -" find name corresponding to a GPG key ID -" Returns: Name for the given ID -" -function s:GPGIDToName(identity) - call s:GPGDebug(3, ">>>>>>>> Entering s:GPGIDToName()") - - " TODO is the encryption subkey really unique? - - " ask gpg for the id for a name - let cmd = { 'level': 2 } - let cmd.args = '--quiet --with-colons --fixed-list-mode --list-keys ' . a:identity - let output = s:GPGSystem(cmd) - - " when called with "--with-colons" gpg encodes its output _ALWAYS_ as UTF-8, - " so convert it, if necessary - if (&encoding != "utf-8") - let output = iconv(output, "utf-8", &encoding) - endif - let lines = split(output, "\n") - - " parse the output of gpg - let pubseen = 0 - let uid = "" - for line in lines - let fields = split(line, ":") - if (pubseen == 0) " search for the next pub - if (fields[0] == "pub") - let pubseen = 1 - endif - else " search for the next uid - if (fields[0] == "uid") - let pubseen = 0 - if exists("*strftime") - let uid = fields[9] . s:GPGMagicString . "(ID: 0x" . a:identity . " created at " . strftime("%c", fields[5]) . ")" - else - let uid = fields[9] . s:GPGMagicString . "(ID: 0x" . a:identity . ")" - endif - break - endif - endif - endfor - - call s:GPGDebug(3, "<<<<<<<< Leaving s:GPGIDToName()") - return uid -endfunction - -function s:GPGPreCmd() - let &shellredir = s:shellredir - let &shell = s:shell - let &shelltemp = s:shelltemp -endfunction - -function s:GPGPostCmd() - let &shellredir = s:shellredirsave - let &shell = s:shellsave - let &shelltemp = s:shelltempsave -endfunction - -" Function: s:GPGSystem(dict) {{{2 -" -" run g:GPGCommand using system(), logging the commandline and output -" Recognized keys are: -" level - Debug level at which the commandline and output will be logged -" args - Arguments to be given to g:GPGCommand -" -" Returns: command output -" -function s:GPGSystem(dict) - let commandline = printf('%s %s', s:GPGCommand, a:dict.args) - if (!empty(g:GPGHomedir)) - let commandline .= ' --homedir ' . shellescape(g:GPGHomedir) - endif - let commandline .= ' ' . s:stderrredirnull - call s:GPGDebug(a:dict.level, "command: ". commandline) - - call s:GPGPreCmd() - let output = system(commandline) - call s:GPGPostCmd() - - call s:GPGDebug(a:dict.level, "output: ". output) - return output -endfunction - -" Function: s:GPGExecute(dict) {{{2 -" -" run g:GPGCommand using :execute, logging the commandline -" Recognized keys are: -" level - Debug level at which the commandline will be logged -" args - Arguments to be given to g:GPGCommand -" ex - Ex command which will be :executed -" redirect - Shell redirect to use, if needed -" -function s:GPGExecute(dict) - let commandline = printf('%s%s %s', a:dict.ex, s:GPGCommand, a:dict.args) - if (!empty(g:GPGHomedir)) - let commandline .= ' --homedir ' . shellescape(g:GPGHomedir, 1) - endif - if (has_key(a:dict, 'redirect')) - let commandline .= ' ' . a:dict.redirect - endif - let commandline .= ' ' . s:stderrredirnull - call s:GPGDebug(a:dict.level, "command: " . commandline) - - call s:GPGPreCmd() - execute commandline - call s:GPGPostCmd() -endfunction - -" Function: s:GPGDebug(level, text) {{{2 -" -" output debug message, if this message has high enough importance -" only define function if GPGDebugLevel set at all -" -function s:GPGDebug(level, text) - if exists("g:GPGDebugLevel") && g:GPGDebugLevel >= a:level - if exists("g:GPGDebugLog") - execute "redir >> " . g:GPGDebugLog - echom "GnuPG: " . a:text - redir END - else - echom "GnuPG: " . a:text - endif - endif -endfunction - -" Section: Commands {{{1 - -command! GPGViewRecipients call s:GPGViewRecipients() -command! GPGEditRecipients call s:GPGEditRecipients() -command! GPGViewOptions call s:GPGViewOptions() -command! GPGEditOptions call s:GPGEditOptions() - -" Section: Menu {{{1 - -if (has("menu")) - amenu <silent> Plugin.GnuPG.View\ Recipients :GPGViewRecipients<CR> - amenu <silent> Plugin.GnuPG.Edit\ Recipients :GPGEditRecipients<CR> - amenu <silent> Plugin.GnuPG.View\ Options :GPGViewOptions<CR> - amenu <silent> Plugin.GnuPG.Edit\ Options :GPGEditOptions<CR> -endif - -" vim600: set foldmethod=marker foldlevel=0 : |