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class FileUploader < GitlabUploader
include RecordsUploads
include UploaderHelper
MARKDOWN_PATTERN = %r{\!?\[.*?\]\(/uploads/(?<secret>[0-9a-f]{32})/(?<file>.*?)\)}
storage :file
def self.absolute_path(upload_record)
File.join(
self.dynamic_path_segment(upload_record.model),
upload_record.path
)
end
# Not using `GitlabUploader.base_dir` because all project namespaces are in
# the `public/uploads` dir.
#
def self.base_dir
root_dir
end
# Returns the part of `store_dir` that can change based on the model's current
# path
#
# This is used to build Upload paths dynamically based on the model's current
# namespace and path, allowing us to ignore renames or transfers.
#
# model - Object that responds to `full_path` and `disk_path`
#
# Returns a String without a trailing slash
def self.dynamic_path_segment(model)
if model.hashed_storage?(:attachments)
dynamic_path_builder(model.disk_path)
else
dynamic_path_builder(model.full_path)
end
end
# Auxiliary method to build dynamic path segment when not using a project model
#
# Prefer to use the `.dynamic_path_segment` as it includes Hashed Storage specific logic
def self.dynamic_path_builder(path)
File.join(CarrierWave.root, base_dir, path)
end
attr_accessor :model
attr_reader :secret
def initialize(model, secret = nil)
@model = model
@secret = secret || generate_secret
end
def store_dir
File.join(dynamic_path_segment, @secret)
end
def relative_path
self.file.path.sub("#{dynamic_path_segment}/", '')
end
def to_markdown
to_h[:markdown]
end
def to_h
filename = image_or_video? ? self.file.basename : self.file.filename
escaped_filename = filename.gsub("]", "\\]")
markdown = "[#{escaped_filename}](#{secure_url})"
markdown.prepend("!") if image_or_video? || dangerous?
{
alt: filename,
url: secure_url,
markdown: markdown
}
end
private
def dynamic_path_segment
self.class.dynamic_path_segment(model)
end
def generate_secret
SecureRandom.hex
end
def secure_url
File.join('/uploads', @secret, file.filename)
end
end
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