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1 | # Redmine - project management software | |||
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2 | # Copyright (C) 2006-2016 Jean-Philippe Lang | |||
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3 | # | |||
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4 | # This program is free software; you can redistribute it and/or | |||
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5 | # modify it under the terms of the GNU General Public License | |||
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6 | # as published by the Free Software Foundation; either version 2 | |||
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7 | # of the License, or (at your option) any later version. | |||
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8 | # | |||
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9 | # This program is distributed in the hope that it will be useful, | |||
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10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
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11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
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12 | # GNU General Public License for more details. | |||
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13 | # | |||
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14 | # You should have received a copy of the GNU General Public License | |||
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15 | # along with this program; if not, write to the Free Software | |||
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16 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |||
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17 | ||||
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18 | require 'uri' | |||
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19 | ||||
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20 | module Redmine | |||
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21 | module Helpers | |||
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22 | module URL | |||
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23 | def uri_with_safe_scheme?(uri, schemes = ['http', 'https', 'ftp', 'mailto', nil]) | |||
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24 | # URLs relative to the current document or document root (without a protocol | |||
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25 | # separator, should be harmless | |||
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26 | return true unless uri.include? ":" | |||
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27 | ||||
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28 | # Other URLs need to be parsed | |||
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29 | schemes.include? URI.parse(uri).scheme | |||
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30 | rescue URI::InvalidURIError | |||
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31 | false | |||
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32 | end | |||
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33 | end | |||
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34 | end | |||
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35 | end |
@@ -22,8 +22,11 module Redmine | |||||
22 | module Markdown |
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22 | module Markdown | |
23 | class HTML < Redcarpet::Render::HTML |
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23 | class HTML < Redcarpet::Render::HTML | |
24 | include ActionView::Helpers::TagHelper |
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24 | include ActionView::Helpers::TagHelper | |
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25 | include Redmine::Helpers::URL | |||
25 |
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26 | |||
26 | def link(link, title, content) |
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27 | def link(link, title, content) | |
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28 | return nil unless uri_with_safe_scheme?(link) | |||
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29 | ||||
27 | css = nil |
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30 | css = nil | |
28 | unless link && link.starts_with?('/') |
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31 | unless link && link.starts_with?('/') | |
29 | css = 'external' |
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32 | css = 'external' |
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