Class: SSHScan::Update

Inherits:
Object
  • Object
show all
Defined in:
lib/ssh_scan/update.rb

Overview

Handle SSHScan updates.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Update 



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# File 'lib/ssh_scan/update.rb', line 9

def initialize
  @errors = []
end

Instance Method Details

#errors ⇒ Object 



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# File 'lib/ssh_scan/update.rb', line 57

def errors
  @errors.uniq
end

#gem_exists?(version = SSHScan::VERSION) ⇒ Boolean

Returns true if the given gem version exists.



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# File 'lib/ssh_scan/update.rb', line 40

def gem_exists?(version = SSHScan::VERSION)
  uri = URI("https://rubygems.org/gems/ssh_scan/versions/#{version}")

  begin
    res = Net::HTTP.get_response(uri)
  rescue SocketError => e
    @errors << e.message
    return false
  end

  if res.code != "200"
    return false
  else
    return true
  end
end

#newer_gem_available?(version = SSHScan::VERSION) ⇒ Boolean

Tries to check if the next patch, minor or major version is available or not. If so, returns true.



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# File 'lib/ssh_scan/update.rb', line 66

def newer_gem_available?(version = SSHScan::VERSION)
  if gem_exists?(next_patch_version(version))
    return true
  end

  if gem_exists?(next_minor_version(version))
    return true
  end

  if gem_exists?(next_major_version(version))
    return true
  end

  return false
end

#next_major_version(version = SSHScan::VERSION) ⇒ Object 



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# File 'lib/ssh_scan/update.rb', line 29

def next_major_version(version = SSHScan::VERSION)
  major = version.split(".")[0]
  major_num = major.to_i
  major_num += 1

  return [major_num.to_s, "0", "0"].join(".")
end

#next_minor_version(version = SSHScan::VERSION) ⇒ Object 



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# File 'lib/ssh_scan/update.rb', line 21

def next_minor_version(version = SSHScan::VERSION)
  major, minor = version.split(".")[0, 2]
  minor_num = minor.to_i
  minor_num += 1

  return [major, minor_num.to_s, "0"].join(".")
end

#next_patch_version(version = SSHScan::VERSION) ⇒ Object 



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# File 'lib/ssh_scan/update.rb', line 13

def next_patch_version(version = SSHScan::VERSION)
  major, minor, patch = version.split(".")
  patch_num = patch.to_i
  patch_num += 1

  return [major, minor, patch_num.to_s].join(".")
end