Feature #22481 » Render-PDF-thumbnail-using-ImageMagick-GhostScript-20190326.patch
| app/controllers/admin_controller.rb | ||
|---|---|---|
| 77 | 77 |
[:text_file_repository_writable, File.writable?(Attachment.storage_path)], |
| 78 | 78 |
["#{l :text_plugin_assets_writable} (./public/plugin_assets)", File.writable?(Redmine::Plugin.public_directory)],
|
| 79 | 79 |
[:text_rmagick_available, Object.const_defined?(:Magick)], |
| 80 |
[:text_convert_available, Redmine::Thumbnail.convert_available?] |
|
| 80 |
[:text_convert_available, Redmine::Thumbnail.convert_available?], |
|
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[:text_gs_available, Redmine::Thumbnail.gs_available?] |
|
| 81 | 82 |
] |
| 82 | 83 |
end |
| 83 | 84 |
end |
| app/controllers/attachments_controller.rb | ||
|---|---|---|
| 83 | 83 |
if stale?(:etag => tbnail) |
| 84 | 84 |
send_file tbnail, |
| 85 | 85 |
:filename => filename_for_content_disposition(@attachment.filename), |
| 86 |
:type => detect_content_type(@attachment), |
|
| 86 |
:type => detect_content_type(@attachment, true),
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|
| 87 | 87 |
:disposition => 'inline' |
| 88 | 88 |
end |
| 89 | 89 |
else |
| ... | ... | |
| 236 | 236 |
@attachment.deletable? ? true : deny_access |
| 237 | 237 |
end |
| 238 | 238 | |
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def detect_content_type(attachment) |
|
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def detect_content_type(attachment, is_thumb = false)
|
|
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content_type = attachment.content_type |
| 241 | 241 |
if content_type.blank? || content_type == "application/octet-stream" |
| 242 | 242 |
content_type = Redmine::MimeType.of(attachment.filename) |
| 243 | 243 |
end |
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content_type.to_s |
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content_type = content_type.to_s |
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| 245 | ||
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if is_thumb and content_type == "application/pdf" |
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# PDF previews are stored in PNG format |
|
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content_type = "image/png" |
|
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end |
|
| 250 | ||
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content_type |
|
| 245 | 252 |
end |
| 246 | 253 | |
| 247 | 254 |
def disposition(attachment) |
| app/models/attachment.rb | ||
|---|---|---|
| 201 | 201 |
end |
| 202 | 202 | |
| 203 | 203 |
def thumbnailable? |
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image? |
|
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image? || (is_pdf? && Redmine::Thumbnail.gs_available?)
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|
| 205 | 205 |
end |
| 206 | 206 | |
| 207 | 207 |
# Returns the full path the attachment thumbnail, or nil |
| ... | ... | |
| 221 | 221 |
target = thumbnail_path(size) |
| 222 | 222 | |
| 223 | 223 |
begin |
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Redmine::Thumbnail.generate(self.diskfile, target, size) |
|
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Redmine::Thumbnail.generate(self.diskfile, target, size, is_pdf?)
|
|
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rescue => e |
| 226 | 226 |
logger.error "An error occured while generating thumbnail for #{disk_filename} to #{target}\nException was: #{e.message}" if logger
|
| 227 | 227 |
return nil |
| config/locales/de.yml | ||
|---|---|---|
| 1067 | 1067 |
text_caracters_minimum: "Muss mindestens %{count} Zeichen lang sein."
|
| 1068 | 1068 |
text_comma_separated: Mehrere Werte erlaubt (durch Komma getrennt). |
| 1069 | 1069 |
text_convert_available: ImageMagick-Konvertierung verfügbar (optional) |
| 1070 |
text_gs_available: ImageMagick PDF-Unterstützung verfügbar (optional) |
|
| 1070 | 1071 |
text_custom_field_possible_values_info: 'Eine Zeile pro Wert' |
| 1071 | 1072 |
text_default_administrator_account_changed: Administrator-Passwort geändert |
| 1072 | 1073 |
text_destroy_time_entries: Gebuchte Aufwände löschen |
| config/locales/en-GB.yml | ||
|---|---|---|
| 1088 | 1088 |
current password |
| 1089 | 1089 |
setting_mail_handler_excluded_filenames: Exclude attachments by name |
| 1090 | 1090 |
text_convert_available: ImageMagick convert available (optional) |
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text_gs_available: ImageMagick PDF support available (optional) |
|
| 1091 | 1092 |
label_link: Link |
| 1092 | 1093 |
label_only: only |
| 1093 | 1094 |
label_drop_down_list: drop-down list |
| config/locales/en.yml | ||
|---|---|---|
| 1162 | 1162 |
text_plugin_assets_writable: Plugin assets directory writable |
| 1163 | 1163 |
text_rmagick_available: RMagick available (optional) |
| 1164 | 1164 |
text_convert_available: ImageMagick convert available (optional) |
| 1165 |
text_gs_available: ImageMagick PDF support available (optional) |
|
| 1165 | 1166 |
text_destroy_time_entries_question: "%{hours} hours were reported on the issues you are about to delete. What do you want to do?"
|
| 1166 | 1167 |
text_destroy_time_entries: Delete reported hours |
| 1167 | 1168 |
text_assign_time_entries_to_project: Assign reported hours to the project |
| lib/redmine/thumbnail.rb | ||
|---|---|---|
| 25 | 25 |
extend Redmine::Utils::Shell |
| 26 | 26 | |
| 27 | 27 |
CONVERT_BIN = (Redmine::Configuration['imagemagick_convert_command'] || 'convert').freeze |
| 28 |
ALLOWED_TYPES = %w(image/bmp image/gif image/jpeg image/png) |
|
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ALLOWED_TYPES = %w(image/bmp image/gif image/jpeg image/png application/pdf)
|
|
| 29 | 29 | |
| 30 | 30 |
# Generates a thumbnail for the source image to target |
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def self.generate(source, target, size) |
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def self.generate(source, target, size, is_pdf = false)
|
|
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return nil unless convert_available? |
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return nil if is_pdf && !gs_available? |
|
| 33 | 34 |
unless File.exists?(target) |
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mime_type = File.open(source) {|f| MimeMagic.by_magic(f).try(:type) }
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return nil if mime_type.nil? |
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return nil if !ALLOWED_TYPES.include? mime_type |
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return nil if is_pdf && mime_type != "application/pdf" |
|
| 39 | ||
| 34 | 40 |
# Make sure we only invoke Imagemagick if the file type is allowed |
| 35 | 41 |
unless File.open(source) {|f| ALLOWED_TYPES.include? MimeMagic.by_magic(f).try(:type) }
|
| 36 | 42 |
return nil |
| ... | ... | |
| 40 | 46 |
FileUtils.mkdir_p directory |
| 41 | 47 |
end |
| 42 | 48 |
size_option = "#{size}x#{size}>"
|
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cmd = "#{shell_quote CONVERT_BIN} #{shell_quote source} -auto-orient -thumbnail #{shell_quote size_option} #{shell_quote target}"
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if is_pdf |
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cmd = "#{shell_quote CONVERT_BIN} #{shell_quote "#{source}[0]"} -thumbnail #{shell_quote size_option} #{shell_quote "png:#{target}"}"
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else |
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cmd = "#{shell_quote CONVERT_BIN} #{shell_quote source} -auto-orient -thumbnail #{shell_quote size_option} #{shell_quote target}"
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| 54 |
end |
|
| 44 | 55 |
unless system(cmd) |
| 45 | 56 |
logger.error("Creating thumbnail failed (#{$?}):\nCommand: #{cmd}")
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| 46 | 57 |
return nil |
| ... | ... | |
| 56 | 67 |
@convert_available |
| 57 | 68 |
end |
| 58 | 69 | |
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def self.gs_available? |
|
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return @gs_available if defined?(@gs_available) |
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if Redmine::Platform.mswin? |
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@gs_available = false |
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else |
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@gs_available = system("gs -version") rescue false
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end |
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@gs_available |
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end |
|
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| 59 | 82 |
def self.logger |
| 60 | 83 |
Rails.logger |
| 61 | 84 |
end |