Class: File

Inherits:
Object
  • Object
show all
Defined in:
lib/dyndoc/common/file.rb

Class Method Summary collapse

Class Method Details



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# File 'lib/dyndoc/common/file.rb', line 25

alias_method :old_symlink, :symlink

.old_symlink? ⇒ Object 



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# File 'lib/dyndoc/common/file.rb', line 26

alias_method :old_symlink?, :symlink?

.symlink(target_name, link_name) ⇒ Object 



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# File 'lib/dyndoc/common/file.rb', line 28

def symlink(target_name, link_name)
  #if on windows, call mklink, else self.symlink
  if RUBY_PLATFORM =~ /mswin32|cygwin|mingw|bccwin/
    #windows mklink syntax is reverse of unix ln -s
    #windows mklink is built into cmd.exe
    #vulnerable to command injection, but okay because this is a hack to make a cli tool work.
    opt = (File.directory? target_name) ? "/D" : ""
    stdin, stdout, stderr, wait_thr = Open3.popen3('cmd.exe', "/c mklink " + opt + "#{link_name} #{target_name}")
    wait_thr.value.exitstatus
  else
    self.old_symlink(target_name, link_name)
  end
end

.symlink?(file_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dyndoc/common/file.rb', line 42

def symlink?(file_name)
  #if on windows, call mklink, else self.symlink
  if RUBY_PLATFORM =~ /mswin32|cygwin|mingw|bccwin/
    #vulnerable to command injection because calling with cmd.exe with /c?
    stdin, stdout, stderr, wait_thr = Open3.popen3("cmd.exe /c dir #{file_name} | find \"SYMLINK\"")
    wait_thr.value.exitstatus
  else
    self.old_symlink?(file_name)
  end
end