54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
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class NotificationFactory::Template
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=begin
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examples how to use
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cleaned_template = NotificationFactory::Template.new(
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'some template <b>#{ticket.title}</b> #{config.fqdn}',
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true,
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false, # Allow ERB tags in the template?
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).to_s
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=end
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def initialize(template, escape, trusted)
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@template = template
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@escape = escape
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@trusted = trusted
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end
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def to_s
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result = @template
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result.gsub!(%r{<%(?!%)}, '<%%') if !@trusted
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result.gsub(%r{\#{\s*(.*?)\s*}}m) do
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# some browsers start adding HTML tags
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# fixes https://github.com/zammad/zammad/issues/385
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input_template = $1.gsub(%r{\A<.+?>\s*|\s*<.+?>\z}, '')
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case input_template
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when %r{\At\('(.+?)'\)\z}m
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%(<%= t "#{sanitize_text($1)}", #{@escape} %>)
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when %r{\At\((.+?)\)\z}m
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%(<%= t d"#{sanitize_object_name($1)}", #{@escape} %>)
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when %r{\Aconfig\.(.+?)\z}m
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%(<%= c "#{sanitize_object_name($1)}", #{@escape} %>)
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else
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%(<%= d "#{sanitize_object_name(input_template)}", #{@escape} %>)
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end
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end
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end
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def sanitize_text(string)
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string&.tr("\t\r\n", '')
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&.gsub(%r{(?<!\\)(?=")}, '\\')
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end
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def sanitize_object_name(string)
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string&.tr("\t\r\n\f \"'§;", '')
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end
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end
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