############################################################################### # # SageMathCloud: A collaborative web-based interface to Sage, IPython, LaTeX and the Terminal. # # Copyright (C) 2015, William Stein # # 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 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # ############################################################################### misc = require('misc') {salvus_client} = require('salvus_client') {alert_message} = require('alerts') async = require('async') {defaults, required} = misc templates = $(".smc-archive-templates") exports.archive = (project_id, filename, editor) -> element = templates.find(".smc-archive-editor").clone() new Archive(project_id, filename, element, editor) return element # For tar, see http://en.wikipedia.org/wiki/Tar_%28computing%29 COMMANDS = zip : list : command : 'unzip' args : ['-l'] extract : command : 'unzip' args : ['-B'] tar : list : command : 'tar' args : ['-tf'] extract : command : 'tar' args : ['-xvf'] gz : list : command : 'gzip' args : ['-l'] extract : command : 'gunzip' args : ['-vf'] bzip2 : list : command : 'ls' args : ['-l'] extract : command : 'bunzip2' args : ['-vf'] lzip : list : command : 'ls' args : ['-l'] extract : command : 'lzip' args : ['-vfd'] xz : list : command : 'xz' args : ['-l'] extract : command : 'xz' args : ['-vfd'] class Archive constructor : (@project_id, @filename, @element, @editor) -> @element.data('archive', @) @element.find(".smc-archive-filename").text(@filename) @init (err) => if not err @element.find("a[href=#extract]").removeClass('disabled').click () => @extract() return false show: () => @element.maxheight() parse_file_type: (file_info) => # See editor.coffee, where we claim to handle these: # zip gz bz2 z lz xz lzma tgz tbz tbz2 tb2 taz tz tlz txz lzip @element.find(".smc-archive-type").text(file_info) if file_info.indexOf('Zip archive data') != -1 @file_type = 'zip' else if file_info.indexOf('tar archive') != -1 @file_type = 'tar' else if file_info.indexOf('gzip compressed data') != -1 @file_type = 'gz' else if file_info.indexOf('bzip2 compressed data') != -1 @file_type = 'bzip2' else if file_info.indexOf('lzip compressed data') != -1 @file_type = 'lzip' else if file_info.indexOf('XZ compressed data') != -1 @file_type = 'xz' else return "Unsupported archive type -- '#{file_info}'\n\nYou might try using a terminal." return undefined init: (cb) => #console.log("init") out = undefined async.series([ (cb) => #console.log("calling file") salvus_client.exec project_id : @project_id command : "file" args : ["-z", "-b", @filename] err_on_exit: true cb : (err, output) => if err if err.indexOf('No such file or directory') != -1 err = "No such file or directory" out = err cb(err) else out = @parse_file_type(output.stdout.trim()) cb(out) (cb) => @list_contents (err, contents) => if err out = err else @contents = contents out = contents cb(err) ], (err) => @element.find(".smc-archive-extract-contents").text(out) cb?(err) ) list_contents: (cb) => {command, args} = COMMANDS[@file_type].list #console.log("list_contents ", command, args) salvus_client.exec project_id : @project_id command : command args : args.concat([@filename]) err_on_exit: false cb : (err, out) => if err cb(err) else cb(undefined, out.stdout + '\n' + out.stderr) extract: (cb) => {command, args} = COMMANDS[@file_type].extract output = @element.find(".smc-archive-extract-output") error = @element.find(".smc-archive-extract-error") output.text('') error.text('') @element.find("a[href=#extract]").icon_spin(start:true) s = misc.path_split(@filename) extra_args = [] post_args = [] async.series([ (cb) => if not @contents? cb(); return if @file_type == 'zip' # special case for zip files: if heuristically it looks like not everything is contained # in a subdirectory with name the zip file, then create that subdirectory. base = s.tail.slice(0, s.tail.length - 4) if @contents.indexOf(base+'/') == -1 extra_args = ['-d', base] cb() else if @file_type == 'tar' # special case for tar files: if heuristically it looks like not everything is contained # in a subdirectory with name the tar file, then create that subdirectory. i = s.tail.lastIndexOf('.t') # hopefully that's good enough. base = s.tail.slice(0, i) if @contents.indexOf(base+'/') == -1 post_args = ['-C', base] salvus_client.exec project_id : @project_id path : s.head command : "mkdir" args : ['-p', base] cb : cb else cb() else cb() (cb) => args = args.concat(extra_args).concat([s.tail]).concat(post_args) args_str = ((if x.indexOf(' ')!=-1 then "'#{x}'" else x) for x in args).join(' ') cmd = "cd #{s.head} ; #{command} #{args_str}" @element.find(".smc-archive-extract-cmd").show().text(cmd) salvus_client.exec project_id : @project_id path : s.head command : command args : args err_on_exit: false timeout : 120 cb : (err, out) => #console.log("done extract: ", err, out) @element.find("a[href=#extract]").icon_spin(false) if err error.show() error.text(err) else if out.stdout output.show() output.text(out.stdout) if out.stderr error.show() error.text(out.stderr) cb(err) ], (err) => cb?(err) )