jro_apps/redmine Commit - r15763:d4dcd3a8dc42

1

# Redmine - project management software

1

# Redmine - project management software

2

3

#

3

#

4

# This program is free software; you can redistribute it and/or

4

# This program is free software; you can redistribute it and/or

5

# modify it under the terms of the GNU General Public License

5

# modify it under the terms of the GNU General Public License

6

# as published by the Free Software Foundation; either version 2

6

# as published by the Free Software Foundation; either version 2

7

# of the License, or (at your option) any later version.

7

# of the License, or (at your option) any later version.

8

#

8

#

9

# This program is distributed in the hope that it will be useful,

9

# This program is distributed in the hope that it will be useful,

10

# but WITHOUT ANY WARRANTY; without even the implied warranty of

10

# but WITHOUT ANY WARRANTY; without even the implied warranty of

11

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

11

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

12

# GNU General Public License for more details.

12

# GNU General Public License for more details.

13

#

13

#

14

# You should have received a copy of the GNU General Public License

14

# You should have received a copy of the GNU General Public License

15

# along with this program; if not, write to the Free Software

15

# along with this program; if not, write to the Free Software

16

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

16

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

17

18

require 'fileutils'

18

require 'fileutils'

19

require 'mimemagic'

19

require 'mimemagic'

20

21

module Redmine

21

module Redmine

22

module Thumbnail

22

module Thumbnail

23

extend Redmine::Utils::Shell

23

extend Redmine::Utils::Shell

24

25

CONVERT_BIN = (Redmine::Configuration['imagemagick_convert_command'] || 'convert').freeze

25

CONVERT_BIN = (Redmine::Configuration['imagemagick_convert_command'] || 'convert').freeze

26

ALLOWED_TYPES = %w(image/bmp image/gif image/jpeg image/png)

26

27

# Generates a thumbnail for the source image to target

28

# Generates a thumbnail for the source image to target

28

def self.generate(source, target, size)

29

def self.generate(source, target, size)

29

return nil unless convert_available?

30

return nil unless convert_available?

30

unless File.exists?(target)

31

unless File.exists?(target)

31

# Make sure we only invoke Imagemagick if th~~is is actually an image~~

32

# Make sure we only invoke Imagemagick if the file type is allowed

32

unless File.open(source) {|f| MimeMagic.by_magic(f).try(:~~image?~~)}

33

unless File.open(source) {|f| ALLOWED_TYPES.include? MimeMagic.by_magic(f).try(:type) }

33

return nil

34

return nil

34

end

35

end

35

directory = File.dirname(target)

36

directory = File.dirname(target)

36

unless File.exists?(directory)

37

unless File.exists?(directory)

37

FileUtils.mkdir_p directory

38

FileUtils.mkdir_p directory

38

end

39

end

39

size_option = "#{size}x#{size}>"

40

size_option = "#{size}x#{size}>"

40

cmd = "#{shell_quote CONVERT_BIN} #{shell_quote source} -thumbnail #{shell_quote size_option} #{shell_quote target}"

41

cmd = "#{shell_quote CONVERT_BIN} #{shell_quote source} -thumbnail #{shell_quote size_option} #{shell_quote target}"

41

unless system(cmd)

42

unless system(cmd)

42

logger.error("Creating thumbnail failed (#{$?}):\nCommand: #{cmd}")

43

logger.error("Creating thumbnail failed (#{$?}):\nCommand: #{cmd}")

43

return nil

44

return nil

44

end

45

end

45

end

46

end

46

target

47

target

47

end

48

end

48

49

def self.convert_available?

50

def self.convert_available?

50

return @convert_available if defined?(@convert_available)

51

return @convert_available if defined?(@convert_available)

51

@convert_available = system("#{shell_quote CONVERT_BIN} -version") rescue false

52

@convert_available = system("#{shell_quote CONVERT_BIN} -version") rescue false

52

logger.warn("Imagemagick's convert binary (#{CONVERT_BIN}) not available") unless @convert_available

53

logger.warn("Imagemagick's convert binary (#{CONVERT_BIN}) not available") unless @convert_available

53

@convert_available

54

@convert_available

54

end

55

end

55

56

def self.logger

57

def self.logger

57

Rails.logger

58

Rails.logger

58

end

59

end

59

end

60

end

60

end

61

end

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

             # Redmine - project management software
             # Copyright (C) 2006-2016  Jean-Philippe Lang
             #
             # 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 2
             # 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, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             require 'fileutils'
             require 'mimemagic'
             module Redmine
               module Thumbnail
                 extend Redmine::Utils::Shell
                 CONVERT_BIN = (Redmine::Configuration['imagemagick_convert_command'] || 'convert').freeze
+                ALLOWED_TYPES = %w(image/bmp image/gif image/jpeg image/png)
                 # Generates a thumbnail for the source image to target
                 def self.generate(source, target, size)
                   return nil unless convert_available?
                   unless File.exists?(target)
-                    # Make sure we only invoke Imagemagick if this is actually an image
+                    # Make sure we only invoke Imagemagick if the file type is allowed
-                    unless File.open(source) {|f| MimeMagic.by_magic(f).try(:image?)}
+                    unless File.open(source) {|f| ALLOWED_TYPES.include? MimeMagic.by_magic(f).try(:type) }
                       return nil
                     end
                     directory = File.dirname(target)
                     unless File.exists?(directory)
                       FileUtils.mkdir_p directory
                     end
                     size_option = "#{size}x#{size}>"
                     cmd = "#{shell_quote CONVERT_BIN} #{shell_quote source} -thumbnail #{shell_quote size_option} #{shell_quote target}"
                     unless system(cmd)
                       logger.error("Creating thumbnail failed (#{$?}):\nCommand: #{cmd}")
                       return nil
                     end
                   end
                   target
                 end
                 def self.convert_available?
                   return @convert_available if defined?(@convert_available)
                   @convert_available = system("#{shell_quote CONVERT_BIN} -version") rescue false
                   logger.warn("Imagemagick's convert binary (#{CONVERT_BIN}) not available") unless @convert_available
                   @convert_available
                 end
                 def self.logger
                   Rails.logger
                 end
               end
             end