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-rw-r--r--lib/axlsx/workbook/worksheet/sheet_protection.rb23
1 files changed, 11 insertions, 12 deletions
diff --git a/lib/axlsx/workbook/worksheet/sheet_protection.rb b/lib/axlsx/workbook/worksheet/sheet_protection.rb
index 717e2f8b..d8855008 100644
--- a/lib/axlsx/workbook/worksheet/sheet_protection.rb
+++ b/lib/axlsx/workbook/worksheet/sheet_protection.rb
@@ -103,8 +103,7 @@ module Axlsx
# @return [Boolean]
# @default true
attr_reader :sort
-
-
+
# Password hash
# @return [String]
# @default nil
@@ -133,7 +132,7 @@ module Axlsx
@objects = @scenarios = @select_locked_cells = @select_unlocked_cells = false
@sheet = @format_cells = @format_rows = @format_columns = @insert_columns = @insert_rows = @insert_hyperlinks = @delete_columns = @delete_rows = @sort = @auto_filter = @pivot_tables = true
@password = nil
-
+
options.each do |o|
self.send("#{o[0]}=", o[1]) if self.respond_to? "#{o[0]}="
end
@@ -144,9 +143,9 @@ module Axlsx
# @return [Boolean]
[:sheet, :objects, :scenarios, :select_locked_cells, :sort,
:select_unlocked_cells, :format_cells, :format_rows, :format_columns,
- :insert_columns, :insert_rows, :insert_hyperlinks, :delete_columns,
+ :insert_columns, :insert_rows, :insert_hyperlinks, :delete_columns,
:delete_rows, :auto_filter, :pivot_tables].each do |f_name|
- define_method "#{f_name.to_s}=".to_sym do |v|
+ define_method "#{f_name.to_s}=".to_sym do |v|
Axlsx::validate_boolean(v)
instance_variable_set "@#{f_name.to_s}".to_sym, v
end
@@ -184,20 +183,20 @@ module Axlsx
str << instance_values.map{ |k,v| k.gsub(/_(.)/){ $1.upcase } << %{="#{v.to_s}"} }.join(' ')
str << '/>'
end
-
+
private
# Creates a password hash for a given password
# @return [String]
def create_password_hash(password)
encoded_password = encode_password(password)
-
+
password_as_hex = [encoded_password].pack("v")
password_as_string = password_as_hex.unpack("H*").first.upcase
-
+
password_as_string[2..3] + password_as_string[0..1]
end
-
-
+
+
# Encodes a given password
# Based on the algorithm provided by Daniel Rentz of OpenOffice.
# http://www.openoffice.org/sc/excelfileformat.pdf, Revision 1.42, page 115 (21.05.2012)
@@ -206,7 +205,7 @@ module Axlsx
i = 0
chars = password.split(//)
count = chars.size
-
+
chars.collect! do |char|
i += 1
char = char.unpack('c')[0] << i #ord << i
@@ -215,7 +214,7 @@ module Axlsx
high_15 = high_15 >> 15
char = low_15 | high_15
end
-
+
encoded_password = 0x0000
chars.each { |c| encoded_password ^= c }
encoded_password ^= count