overleaf/services/web/test/unit/coffee/Project/SafePathTests.coffee

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2018-02-05 07:49:15 -05:00
chai = require('chai')
assert = require('chai').assert
should = chai.should()
expect = chai.expect
sinon = require 'sinon'
modulePath = "../../../../app/js/Features/Project/SafePath"
SandboxedModule = require('sandboxed-module')
describe 'SafePath', ->
beforeEach ->
@SafePath = SandboxedModule.require modulePath
describe 'isCleanFilename', ->
it 'should accept a valid filename "main.tex"', ->
result = @SafePath.isCleanFilename 'main.tex'
result.should.equal true
it 'should not accept an empty filename', ->
result = @SafePath.isCleanFilename ''
result.should.equal false
it 'should not accept / anywhere', ->
result = @SafePath.isCleanFilename 'foo/bar'
result.should.equal false
it 'should not accept .', ->
result = @SafePath.isCleanFilename '.'
result.should.equal false
it 'should not accept ..', ->
result = @SafePath.isCleanFilename '..'
result.should.equal false
it 'should not accept * anywhere', ->
result = @SafePath.isCleanFilename 'foo*bar'
result.should.equal false
it 'should not accept leading whitespace', ->
result = @SafePath.isCleanFilename ' foobar.tex'
result.should.equal false
it 'should not accept trailing whitespace', ->
result = @SafePath.isCleanFilename 'foobar.tex '
result.should.equal false
it 'should not accept leading and trailing whitespace', ->
result = @SafePath.isCleanFilename ' foobar.tex '
result.should.equal false
it 'should not accept control characters (0-31)', ->
result = @SafePath.isCleanFilename 'foo\u0010bar'
result.should.equal false
it 'should not accept control characters (127, delete)', ->
result = @SafePath.isCleanFilename 'foo\u007fbar'
result.should.equal false
it 'should not accept control characters (128-159)', ->
result = @SafePath.isCleanFilename 'foo\u0080\u0090bar'
result.should.equal false
it 'should not accept surrogate characters (128-159)', ->
result = @SafePath.isCleanFilename 'foo\uD800\uDFFFbar'
result.should.equal false
# it 'should not accept a trailing .', ->
# result = @SafePath.isCleanFilename 'hello.'
# result.should.equal false
# it 'should not accept \\', ->
# result = @SafePath.isCleanFilename 'foo\\bar'
# result.should.equal false
describe 'isAllowedLength', ->
it 'should accept a valid path "main.tex"', ->
result = @SafePath.isAllowedLength 'main.tex'
result.should.equal true
it 'should not accept an extremely long path', ->
longPath = new Array(1000).join("/subdir") + '/main.tex'
result = @SafePath.isAllowedLength longPath
result.should.equal false
it 'should not accept an empty path', ->
result = @SafePath.isAllowedLength ''
result.should.equal false
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describe 'clean', ->
it 'should not modify a valid filename', ->
result = @SafePath.clean 'main.tex'
result.should.equal 'main.tex'
it 'should replace invalid characters with _', ->
result = @SafePath.clean 'foo/bar*/main.tex'
result.should.equal 'foo_bar__main.tex'
it 'should replace "." with "_"', ->
result = @SafePath.clean '.'
result.should.equal '_'
it 'should replace ".." with "__"', ->
result = @SafePath.clean '..'
result.should.equal '__'
it 'should replace a single trailing space with _', ->
result = @SafePath.clean 'foo '
result.should.equal 'foo_'
it 'should replace a multiple trailing spaces with ___', ->
result = @SafePath.clean 'foo '
result.should.equal 'foo__'
it 'should replace a single leading space with _', ->
result = @SafePath.clean ' foo'
result.should.equal '_foo'
it 'should replace a multiple leading spaces with ___', ->
result = @SafePath.clean ' foo'
result.should.equal '__foo'