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Editing: zip.vim
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" zip.vim: Handles browsing zipfiles " AUTOLOAD PORTION " Date: Jan 07, 2020 " Version: 31 " Maintainer: Charles E Campbell <NcampObell@SdrPchip.AorgM-NOSPAM> " License: Vim License (see vim's :help license) " Copyright: Copyright (C) 2005-2019 Charles E. Campbell {{{1 " Permission is hereby granted to use and distribute this code, " with or without modifications, provided that this copyright " notice is copied with it. Like anything else that's free, " zip.vim and zipPlugin.vim are provided *as is* and comes with " no warranty of any kind, either expressed or implied. By using " this plugin, you agree that in no event will the copyright " holder be liable for any damages resulting from the use " of this software. "redraw!|call DechoSep()|call inputsave()|call input("Press <cr> to continue")|call inputrestore() " --------------------------------------------------------------------- " Load Once: {{{1 if &cp || exists("g:loaded_zip") finish endif let g:loaded_zip= "v31" if v:version < 702 echohl WarningMsg echo "***warning*** this version of zip needs vim 7.2 or later" echohl Normal finish endif let s:keepcpo= &cpo set cpo&vim "DechoTabOn let s:zipfile_escape = ' ?&;\' let s:ERROR = 2 let s:WARNING = 1 let s:NOTE = 0 " --------------------------------------------------------------------- " Global Values: {{{1 if !exists("g:zip_shq") if &shq != "" let g:zip_shq= &shq elseif has("unix") let g:zip_shq= "'" else let g:zip_shq= '"' endif endif if !exists("g:zip_zipcmd") let g:zip_zipcmd= "zip" endif if !exists("g:zip_unzipcmd") let g:zip_unzipcmd= "unzip" endif if !exists("g:zip_extractcmd") let g:zip_extractcmd= g:zip_unzipcmd endif " ---------------- " Functions: {{{1 " ---------------- " --------------------------------------------------------------------- " zip#Browse: {{{2 fun! zip#Browse(zipfile) " call Dfunc("zip#Browse(zipfile<".a:zipfile.">)") " sanity check: insure that the zipfile has "PK" as its first two letters " (zipped files have a leading PK as a "magic cookie") if !filereadable(a:zipfile) || readfile(a:zipfile, "", 1)[0] !~ '^PK' exe "noswapfile noautocmd noswapfile e ".fnameescape(a:zipfile) " call Dret("zip#Browse : not a zipfile<".a:zipfile.">") return " else " Decho " call Decho("zip#Browse: a:zipfile<".a:zipfile."> passed PK test - it's a zip file") endif let repkeep= &report set report=10 " sanity checks if !exists("*fnameescape") if &verbose > 1 echoerr "the zip plugin is not available (your vim doens't support fnameescape())" endif return endif if !executable(g:zip_unzipcmd) redraw! echohl Error | echo "***error*** (zip#Browse) unzip not available on your system" " call inputsave()|call input("Press <cr> to continue")|call inputrestore() let &report= repkeep " call Dret("zip#Browse") return endif if !filereadable(a:zipfile) if a:zipfile !~# '^\a\+://' " if it's an url, don't complain, let url-handlers such as vim do its thing redraw! echohl Error | echo "***error*** (zip#Browse) File not readable<".a:zipfile.">" | echohl None " call inputsave()|call input("Press <cr> to continue")|call inputrestore() endif let &report= repkeep " call Dret("zip#Browse : file<".a:zipfile."> not readable") return endif " call Decho("passed sanity checks") if &ma != 1 set ma endif let b:zipfile= a:zipfile setlocal noswapfile setlocal buftype=nofile setlocal bufhidden=hide setlocal nobuflisted setlocal nowrap set ft=tar " give header call append(0, ['" zip.vim version '.g:loaded_zip, \ '" Browsing zipfile '.a:zipfile, \ '" Select a file with cursor and press ENTER']) keepj $ " call Decho("exe silent r! ".g:zip_unzipcmd." -l -- ".s:Escape(a:zipfile,1)) exe "keepj sil! r! ".g:zip_unzipcmd." -Z -1 -- ".s:Escape(a:zipfile,1) if v:shell_error != 0 redraw! echohl WarningMsg | echo "***warning*** (zip#Browse) ".fnameescape(a:zipfile)." is not a zip file" | echohl None " call inputsave()|call input("Press <cr> to continue")|call inputrestore() keepj sil! %d let eikeep= &ei set ei=BufReadCmd,FileReadCmd exe "keepj r ".fnameescape(a:zipfile) let &ei= eikeep keepj 1d " call Dret("zip#Browse") return endif " Maps associated with zip plugin setlocal noma nomod ro noremap <silent> <buffer> <cr> :call <SID>ZipBrowseSelect()<cr> noremap <silent> <buffer> x :call zip#Extract()<cr> if &mouse != "" noremap <silent> <buffer> <leftmouse> <leftmouse>:call <SID>ZipBrowseSelect()<cr> endif let &report= repkeep " call Dret("zip#Browse") endfun " --------------------------------------------------------------------- " ZipBrowseSelect: {{{2 fun! s:ZipBrowseSelect() " call Dfunc("ZipBrowseSelect() zipfile<".b:zipfile."> curfile<".expand("%").">") let repkeep= &report set report=10 let fname= getline(".") " sanity check if fname =~ '^"' let &report= repkeep " call Dret("ZipBrowseSelect") return endif if fname =~ '/$' redraw! echohl Error | echo "***error*** (zip#Browse) Please specify a file, not a directory" | echohl None " call inputsave()|call input("Press <cr> to continue")|call inputrestore() let &report= repkeep " call Dret("ZipBrowseSelect") return endif " call Decho("fname<".fname.">") " get zipfile to the new-window let zipfile = b:zipfile let curfile = expand("%") " call Decho("zipfile<".zipfile.">") " call Decho("curfile<".curfile.">") noswapfile new if !exists("g:zip_nomax") || g:zip_nomax == 0 wincmd _ endif let s:zipfile_{winnr()}= curfile " call Decho("exe e ".fnameescape("zipfile:".zipfile.'::'.fname)) exe "noswapfile e ".fnameescape("zipfile:".zipfile.'::'.fname) filetype detect let &report= repkeep " call Dret("ZipBrowseSelect : s:zipfile_".winnr()."<".s:zipfile_{winnr()}.">") endfun " --------------------------------------------------------------------- " zip#Read: {{{2 fun! zip#Read(fname,mode) " call Dfunc("zip#Read(fname<".a:fname.">,mode=".a:mode.")") let repkeep= &report set report=10 if has("unix") let zipfile = substitute(a:fname,'zipfile:\(.\{-}\)::[^\\].*$','\1','') let fname = substitute(a:fname,'zipfile:.\{-}::\([^\\].*\)$','\1','') else let zipfile = substitute(a:fname,'^.\{-}zipfile:\(.\{-}\)::[^\\].*$','\1','') let fname = substitute(a:fname,'^.\{-}zipfile:.\{-}::\([^\\].*\)$','\1','') let fname = substitute(fname, '[', '[[]', 'g') endif " call Decho("zipfile<".zipfile.">") " call Decho("fname <".fname.">") " sanity check if !executable(substitute(g:zip_unzipcmd,'\s\+.*$','','')) redraw! echohl Error | echo "***error*** (zip#Read) sorry, your system doesn't appear to have the ".g:zip_unzipcmd." program" | echohl None " call inputsave()|call input("Press <cr> to continue")|call inputrestore() let &report= repkeep " call Dret("zip#Write") return endif " the following code does much the same thing as " exe "keepj sil! r! ".g:zip_unzipcmd." -p -- ".s:Escape(zipfile,1)." ".s:Escape(fnameescape(fname),1) " but allows zipfile:... entries in quickfix lists let temp = tempname() " call Decho("using temp file<".temp.">") let fn = expand('%:p') exe "sil! !".g:zip_unzipcmd." -p -- ".s:Escape(zipfile,1)." ".s:Escape(fnameescape(fname),1).' > '.temp " call Decho("exe sil! !".g:zip_unzipcmd." -p -- ".s:Escape(zipfile,1)." ".s:Escape(fnameescape(fname),1).' > '.temp) sil exe 'keepalt file '.temp sil keepj e! sil exe 'keepalt file '.fnameescape(fn) call delete(temp) filetype detect " cleanup " keepj 0d " used to be needed for the ...r! ... method set nomod let &report= repkeep " call Dret("zip#Read") endfun " --------------------------------------------------------------------- " zip#Write: {{{2 fun! zip#Write(fname) " call Dfunc("zip#Write(fname<".a:fname.">) zipfile_".winnr()."<".s:zipfile_{winnr()}.">") let repkeep= &report set report=10 let need_rename = 0 " sanity checks if !executable(substitute(g:zip_zipcmd,'\s\+.*$','','')) redraw! echohl Error | echo "***error*** (zip#Write) sorry, your system doesn't appear to have the ".g:zip_zipcmd." program" | echohl None " call inputsave()|call input("Press <cr> to continue")|call inputrestore() let &report= repkeep " call Dret("zip#Write") return endif if simplify(a:fname) =~ '\.\.[/\\]' redraw! echohl Error | echo "***error*** (zip#Write) Path Traversal Attack detected, not writing!" | echohl None let &report= repkeep return endif let curdir= getcwd() let tmpdir= tempname() " call Decho("orig tempname<".tmpdir.">") if tmpdir =~ '\.' let tmpdir= substitute(tmpdir,'\.[^.]*$','','e') endif " call Decho("tmpdir<".tmpdir.">") call mkdir(tmpdir,"p") " attempt to change to the indicated directory if s:ChgDir(tmpdir,s:ERROR,"(zip#Write) cannot cd to temporary directory") let &report= repkeep " call Dret("zip#Write") return endif " call Decho("current directory now: ".getcwd()) " place temporary files under .../_ZIPVIM_/ if isdirectory("_ZIPVIM_") call s:Rmdir("_ZIPVIM_") endif call mkdir("_ZIPVIM_") cd _ZIPVIM_ " call Decho("current directory now: ".getcwd()) if has("unix") let zipfile = substitute(a:fname,'zipfile:\(.\{-}\)::[^\\].*$','\1','') let fname = substitute(a:fname,'zipfile:.\{-}::\([^\\].*\)$','\1','') " fname should not start with a leading slash to avoid writing anywhere into the system if fname =~ '^/' redraw! echohl Error | echo "***error*** (zip#Write) Path Traversal Attack detected, not writing!" | echohl None call s:ChgDir(curdir,s:WARNING,"(zip#Write) unable to return to ".curdir."!") let &report= repkeep return endif else let zipfile = substitute(a:fname,'^.\{-}zipfile:\(.\{-}\)::[^\\].*$','\1','') let fname = substitute(a:fname,'^.\{-}zipfile:.\{-}::\([^\\].*\)$','\1','') endif if fname =~ '^[.]\{1,2}/' call system(g:zip_zipcmd." -d ".s:Escape(fnamemodify(zipfile,":p"),0)." ".s:Escape(fname,0)) let fname = fname->substitute('^\([.]\{1,2}/\)\+', '', 'g') let need_rename = 1 endif " call Decho("zipfile<".zipfile.">") " call Decho("fname <".fname.">") if fname =~ '/' let dirpath = substitute(fname,'/[^/]\+$','','e') if has("win32unix") && executable("cygpath") let dirpath = substitute(system("cygpath ".s:Escape(dirpath,0)),'\n','','e') endif " call Decho("mkdir(dirpath<".dirpath.">,p)") call mkdir(dirpath,"p") endif if zipfile !~ '/' let zipfile= curdir.'/'.zipfile endif " call Decho("zipfile<".zipfile."> fname<".fname.">") exe "w ".fnameescape(fname) if has("win32unix") && executable("cygpath") let zipfile = substitute(system("cygpath ".s:Escape(zipfile,0)),'\n','','e') endif if (has("win32") || has("win95") || has("win64") || has("win16")) && &shell !~? 'sh$' let fname = substitute(fname, '[', '[[]', 'g') endif " call Decho(g:zip_zipcmd." -u ".s:Escape(fnamemodify(zipfile,":p"),0)." ".s:Escape(fname,0)) call system(g:zip_zipcmd." -u ".s:Escape(fnamemodify(zipfile,":p"),0)." ".s:Escape(fname,0)) if v:shell_error != 0 redraw! echohl Error | echo "***error*** (zip#Write) sorry, unable to update ".zipfile." with ".fname | echohl None " call inputsave()|call input("Press <cr> to continue")|call inputrestore() elseif s:zipfile_{winnr()} =~ '^\a\+://' " support writing zipfiles across a network let netzipfile= s:zipfile_{winnr()} " call Decho("handle writing <".zipfile."> across network as <".netzipfile.">") 1split|enew let binkeep= &binary let eikeep = &ei set binary ei=all exe "noswapfile e! ".fnameescape(zipfile) call netrw#NetWrite(netzipfile) let &ei = eikeep let &binary = binkeep q! unlet s:zipfile_{winnr()} elseif need_rename exe $"sil keepalt file {fnameescape($"zipfile://{zipfile}::{fname}")}" redraw! echohl Error | echo "***error*** (zip#Browse) Path Traversal Attack detected, dropping relative path" | echohl None endif " cleanup and restore current directory cd .. call s:Rmdir("_ZIPVIM_") call s:ChgDir(curdir,s:WARNING,"(zip#Write) unable to return to ".curdir."!") call s:Rmdir(tmpdir) setlocal nomod let &report= repkeep " call Dret("zip#Write") endfun " --------------------------------------------------------------------- " zip#Extract: extract a file from a zip archive {{{2 fun! zip#Extract() " call Dfunc("zip#Extract()") let repkeep= &report set report=10 let fname= getline(".") " call Decho("fname<".fname.">") " sanity check if fname =~ '^"' let &report= repkeep " call Dret("zip#Extract") return endif if fname =~ '/$' redraw! echohl Error | echo "***error*** (zip#Extract) Please specify a file, not a directory" | echohl None let &report= repkeep " call Dret("zip#Extract") return elseif fname =~ '^[.]\?[.]/' || simplify(fname) =~ '\.\.[/\\]' redraw! echohl Error | echo "***error*** (zip#Browse) Path Traversal Attack detected, not extracting!" | echohl None let &report= repkeep return endif " block absolute paths if has("unix") if fname =~ '^/' redraw! echohl Error | echo "***error*** (zip#Extract) Path Traversal Attack detected, not extracting!" | echohl None let &report= repkeep return endif else if fname =~ '^\%(\a:[\\/]\|[\\/]\)' redraw! echohl Error | echo "***error*** (zip#Extract) Path Traversal Attack detected, not extracting!" | echohl None let &report= repkeep return endif endif " extract the file mentioned under the cursor " call Decho("system(".g:zip_extractcmd." ".shellescape(b:zipfile)." ".shellescape(shell).")") call system(g:zip_extractcmd." ".shellescape(b:zipfile)." ".shellescape(shell)) " call Decho("zipfile<".b:zipfile.">") if v:shell_error != 0 echohl Error | echo "***error*** ".g:zip_extractcmd." ".b:zipfile." ".fname.": failed!" | echohl NONE elseif !filereadable(fname) echohl Error | echo "***error*** attempted to extract ".fname." but it doesn't appear to be present!" else echo "***note*** successfully extracted ".fname endif " restore option let &report= repkeep " call Dret("zip#Extract") endfun " --------------------------------------------------------------------- " s:Escape: {{{2 fun! s:Escape(fname,isfilt) " call Dfunc("QuoteFileDir(fname<".a:fname."> isfilt=".a:isfilt.")") if exists("*shellescape") if a:isfilt let qnameq= shellescape(a:fname,1) else let qnameq= shellescape(a:fname) endif else let qnameq= g:zip_shq.escape(a:fname,g:zip_shq).g:zip_shq endif " call Dret("QuoteFileDir <".qnameq.">") return qnameq endfun " --------------------------------------------------------------------- " ChgDir: {{{2 fun! s:ChgDir(newdir,errlvl,errmsg) " call Dfunc("ChgDir(newdir<".a:newdir."> errlvl=".a:errlvl." errmsg<".a:errmsg.">)") try exe "cd ".fnameescape(a:newdir) catch /^Vim\%((\a\+)\)\=:E344/ redraw! if a:errlvl == s:NOTE echo "***note*** ".a:errmsg elseif a:errlvl == s:WARNING echohl WarningMsg | echo "***warning*** ".a:errmsg | echohl NONE elseif a:errlvl == s:ERROR echohl Error | echo "***error*** ".a:errmsg | echohl NONE endif " call inputsave()|call input("Press <cr> to continue")|call inputrestore() " call Dret("ChgDir 1") return 1 endtry " call Dret("ChgDir 0") return 0 endfun " --------------------------------------------------------------------- " s:Rmdir: {{{2 fun! s:Rmdir(fname) " call Dfunc("Rmdir(fname<".a:fname.">)") if (has("win32") || has("win95") || has("win64") || has("win16")) && &shell !~? 'sh$' call system("rmdir /S/Q ".s:Escape(a:fname,0)) else call system("/bin/rm -rf ".s:Escape(a:fname,0)) endif " call Dret("Rmdir") endfun " ------------------------------------------------------------------------ " Modelines And Restoration: {{{1 let &cpo= s:keepcpo unlet s:keepcpo " vim:ts=8 fdm=marker
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