mirror of
https://github.com/scinote-eln/scinote-web.git
synced 2024-11-18 07:01:58 +08:00
599 lines
18 KiB
Ruby
599 lines
18 KiB
Ruby
class Asset < ApplicationRecord
|
|
include SearchableModel
|
|
include DatabaseHelper
|
|
include Encryptor
|
|
include WopiUtil
|
|
|
|
require 'tempfile'
|
|
# Lock duration set to 30 minutes
|
|
LOCK_DURATION = 60*30
|
|
|
|
# Paperclip validation
|
|
has_attached_file :file,
|
|
styles: lambda { |a|
|
|
if a.previewable_document?
|
|
{
|
|
large: { processors: [:custom_file_preview],
|
|
geometry: Constants::LARGE_PIC_FORMAT,
|
|
format: :jpg },
|
|
medium: { processors: [:custom_file_preview],
|
|
geometry: Constants::MEDIUM_PIC_FORMAT,
|
|
format: :jpg }
|
|
}
|
|
else
|
|
{
|
|
large: [Constants::LARGE_PIC_FORMAT, :jpg],
|
|
medium: [Constants::MEDIUM_PIC_FORMAT, :jpg]
|
|
}
|
|
end
|
|
},
|
|
convert_options: {
|
|
medium: '-quality 70 -strip',
|
|
all: '-background "#d2d2d2" -flatten +matte'
|
|
}
|
|
|
|
before_post_process :previewable?
|
|
before_post_process :extract_image_quality
|
|
|
|
# adds image processing in background job
|
|
process_in_background :file, processing_image_url: '/images/:style/processing.gif'
|
|
|
|
validates_attachment :file,
|
|
presence: true,
|
|
size: {
|
|
less_than: Rails.configuration.x.file_max_size_mb.megabytes
|
|
}
|
|
validates :estimated_size, presence: true
|
|
validates :file_present, inclusion: { in: [true, false] }
|
|
|
|
# Should be checked for any security leaks
|
|
do_not_validate_attachment_file_type :file
|
|
|
|
# Asset validation
|
|
# This could cause some problems if you create empty asset and want to
|
|
# assign it to result
|
|
validate :step_or_result_or_repository_asset_value
|
|
validate :wopi_filename_valid,
|
|
on: :wopi_file_creation
|
|
|
|
belongs_to :created_by,
|
|
foreign_key: 'created_by_id',
|
|
class_name: 'User',
|
|
optional: true
|
|
belongs_to :last_modified_by,
|
|
foreign_key: 'last_modified_by_id',
|
|
class_name: 'User',
|
|
optional: true
|
|
belongs_to :team, optional: true
|
|
has_one :step_asset, inverse_of: :asset, dependent: :destroy
|
|
has_one :step, through: :step_asset, dependent: :nullify
|
|
has_one :result_asset, inverse_of: :asset, dependent: :destroy
|
|
has_one :result, through: :result_asset, dependent: :nullify
|
|
has_one :repository_asset_value, inverse_of: :asset, dependent: :destroy
|
|
has_one :repository_cell, through: :repository_asset_value,
|
|
dependent: :nullify
|
|
has_many :report_elements, inverse_of: :asset, dependent: :destroy
|
|
has_one :asset_text_datum, inverse_of: :asset, dependent: :destroy
|
|
|
|
# Specific file errors propagate to "file" error hash key,
|
|
# so use just these errors
|
|
after_validation :filter_paperclip_errors
|
|
# Needed because Paperclip validatates on creation
|
|
after_initialize :filter_paperclip_errors, if: :new_record?
|
|
before_destroy :paperclip_delete, prepend: true
|
|
after_save { result&.touch; step&.touch }
|
|
|
|
attr_accessor :file_content, :file_info, :preview_cached, :in_template
|
|
|
|
def file_empty(name, size)
|
|
file_ext = name.split(".").last
|
|
self.file_file_name = name
|
|
self.file_content_type = Rack::Mime.mime_type(".#{file_ext}")
|
|
self.file_file_size = size
|
|
self.file_updated_at = DateTime.now
|
|
self.file_present = false
|
|
end
|
|
|
|
def self.new_empty(name, size)
|
|
asset = self.new
|
|
asset.file_empty name, size
|
|
asset
|
|
end
|
|
|
|
def self.search(
|
|
user,
|
|
include_archived,
|
|
query = nil,
|
|
page = 1,
|
|
_current_team = nil,
|
|
options = {}
|
|
)
|
|
|
|
teams = user.teams.select(:id)
|
|
|
|
assets_in_steps = Asset.joins(:step).where(
|
|
'steps.id IN (?)',
|
|
Step.search(user, include_archived, nil, Constants::SEARCH_NO_LIMIT)
|
|
.select(:id)
|
|
).pluck(:id)
|
|
|
|
assets_in_results = Asset.joins(:result).where(
|
|
'results.id IN (?)',
|
|
Result.search(user, include_archived, nil, Constants::SEARCH_NO_LIMIT)
|
|
.select(:id)
|
|
).pluck(:id)
|
|
|
|
assets_in_inventories = Asset.joins(
|
|
repository_cell: { repository_column: :repository }
|
|
).where('repositories.team_id IN (?)', teams).pluck(:id)
|
|
|
|
assets =
|
|
Asset.distinct
|
|
.where('assets.id IN (?) OR assets.id IN (?) OR assets.id IN (?)',
|
|
assets_in_steps, assets_in_results, assets_in_inventories)
|
|
|
|
new_query = Asset.left_outer_joins(:asset_text_datum)
|
|
.from(assets, 'assets')
|
|
|
|
a_query = s_query = ''
|
|
|
|
if options[:whole_word].to_s == 'true' ||
|
|
options[:whole_phrase].to_s == 'true'
|
|
like = options[:match_case].to_s == 'true' ? '~' : '~*'
|
|
s_query = query.gsub(/[!()&|:]/, ' ')
|
|
.strip
|
|
.split(/\s+/)
|
|
.map { |t| t + ':*' }
|
|
if options[:whole_word].to_s == 'true'
|
|
a_query = query.split
|
|
.map { |a| Regexp.escape(a) }
|
|
.join('|')
|
|
s_query = s_query.join('|')
|
|
else
|
|
a_query = Regexp.escape(query)
|
|
s_query = s_query.join('&')
|
|
end
|
|
a_query = '\\y(' + a_query + ')\\y'
|
|
s_query = s_query.tr('\'', '"')
|
|
|
|
new_query = new_query.where(
|
|
"(trim_html_tags(assets.file_file_name) #{like} ? " \
|
|
"OR asset_text_data.data_vector @@ to_tsquery(?))",
|
|
a_query,
|
|
s_query
|
|
)
|
|
else
|
|
like = options[:match_case].to_s == 'true' ? 'LIKE' : 'ILIKE'
|
|
a_query = query.split.map { |a| "%#{sanitize_sql_like(a)}%" }
|
|
|
|
# Trim whitespace and replace it with OR character. Make prefixed
|
|
# wildcard search term and escape special characters.
|
|
# For example, search term 'demo project' is transformed to
|
|
# 'demo:*|project:*' which makes word inclusive search with postfix
|
|
# wildcard.
|
|
s_query = query.gsub(/[!()&|:]/, ' ')
|
|
.strip
|
|
.split(/\s+/)
|
|
.map { |t| t + ':*' }
|
|
.join('|')
|
|
.tr('\'', '"')
|
|
new_query = new_query.where(
|
|
"(trim_html_tags(assets.file_file_name) #{like} ANY (array[?]) " \
|
|
"OR asset_text_data.data_vector @@ to_tsquery(?))",
|
|
a_query,
|
|
s_query
|
|
)
|
|
end
|
|
|
|
# Show all results if needed
|
|
if page != Constants::SEARCH_NO_LIMIT
|
|
new_query = new_query.select('assets.*, asset_text_data.data AS data')
|
|
.limit(Constants::SEARCH_LIMIT)
|
|
.offset((page - 1) * Constants::SEARCH_LIMIT)
|
|
Asset.select(
|
|
"assets_search.*, ts_headline(assets_search.data, to_tsquery('" +
|
|
sanitize_sql_for_conditions(s_query) +
|
|
"'), 'StartSel=<mark>, StopSel=</mark>') AS headline"
|
|
).from(new_query, 'assets_search')
|
|
else
|
|
new_query
|
|
end
|
|
end
|
|
|
|
def extract_image_quality
|
|
return unless ['image/jpeg', 'image/pjpeg'].include? file_content_type
|
|
|
|
tempfile = file.queued_for_write[:original]
|
|
unless tempfile.nil?
|
|
quality = Paperclip::Processor.new(tempfile).identify(" -format '%Q' #{tempfile.path}")
|
|
self.file_image_quality = quality.to_i
|
|
end
|
|
rescue StandardError => e
|
|
Rails.logger.info "There was an error extracting image quality - #{e}"
|
|
end
|
|
|
|
def previewable?
|
|
file.previewable_image? || file.previewable_document?
|
|
end
|
|
|
|
def is_image?
|
|
%r{^image/#{Regexp.union(Constants::WHITELISTED_IMAGE_TYPES)}} ===
|
|
file.content_type
|
|
end
|
|
|
|
def text?
|
|
Constants::TEXT_EXTRACT_FILE_TYPES.any? do |v|
|
|
file_content_type.start_with? v
|
|
end
|
|
end
|
|
|
|
# TODO: get the current_user
|
|
# before_save do
|
|
# if current_user
|
|
# self.created_by ||= current_user
|
|
# self.last_modified_by = current_user if self.changed?
|
|
# end
|
|
# end
|
|
|
|
def is_stored_on_s3?
|
|
file.options[:storage].to_sym == :s3
|
|
end
|
|
|
|
def post_process_file(team = nil)
|
|
# Update self.empty
|
|
self.update(file_present: true)
|
|
|
|
# Extract asset text if it's of correct type
|
|
if text?
|
|
Rails.logger.info "Asset #{id}: Creating extract text job"
|
|
# The extract_asset_text also includes
|
|
# estimated size calculation
|
|
Asset.delay(queue: :assets, run_at: 20.minutes.from_now)
|
|
.extract_asset_text(id, in_template)
|
|
else
|
|
# Update asset's estimated size immediately
|
|
update_estimated_size(team)
|
|
end
|
|
end
|
|
|
|
def self.extract_asset_text(asset_id, in_template = false)
|
|
asset = find_by_id(asset_id)
|
|
return unless asset.present? && asset.file.present?
|
|
asset.in_template = in_template
|
|
|
|
begin
|
|
file_path = asset.file.path
|
|
|
|
if asset.file.is_stored_on_s3?
|
|
fa = asset.file.fetch
|
|
file_path = fa.path
|
|
end
|
|
|
|
# Start Tika as a server
|
|
if !ENV['NO_TIKA_SERVER'] && Yomu.class_variable_get(:@@server_pid).nil?
|
|
Yomu.server(:text)
|
|
end
|
|
|
|
y = Yomu.new file_path
|
|
text_data = y.text
|
|
|
|
if asset.asset_text_datum.present?
|
|
# Update existing text datum if it exists
|
|
asset.asset_text_datum.update(data: text_data)
|
|
else
|
|
# Create new text datum
|
|
AssetTextDatum.create(data: text_data, asset: asset)
|
|
end
|
|
|
|
Rails.logger.info "Asset #{asset.id}: Asset file successfully extracted"
|
|
|
|
# Finally, update asset's estimated size to include
|
|
# the data vector
|
|
asset.update_estimated_size(asset.team)
|
|
rescue StandardError => e
|
|
Rails.logger.fatal(
|
|
"Asset #{asset.id}: Error extracting contents from asset "\
|
|
"file #{asset.file.path}: #{e.message}"
|
|
)
|
|
ensure
|
|
File.delete file_path if fa
|
|
end
|
|
end
|
|
|
|
# Workaround for making Paperclip work with asset deletion (might be because
|
|
# of how the asset models are implemented)
|
|
def paperclip_delete
|
|
report_elements.destroy_all
|
|
asset_text_datum.destroy if asset_text_datum.present?
|
|
# Nullify needed to force paperclip file deletion
|
|
file = nil
|
|
save && reload
|
|
end
|
|
|
|
def destroy
|
|
super()
|
|
# Needed, otherwise the object isn't deleted, because of how the asset
|
|
# models are implemented
|
|
delete
|
|
end
|
|
|
|
# If team is provided, its space_taken
|
|
# is updated as well
|
|
def update_estimated_size(team = nil)
|
|
return if file_file_size.blank? || in_template
|
|
|
|
es = file_file_size
|
|
if asset_text_datum.present? && asset_text_datum.persisted?
|
|
asset_text_datum.reload
|
|
es += get_octet_length_record(asset_text_datum, :data)
|
|
es += get_octet_length_record(asset_text_datum, :data_vector)
|
|
end
|
|
es *= Constants::ASSET_ESTIMATED_SIZE_FACTOR
|
|
update(estimated_size: es)
|
|
Rails.logger.info "Asset #{id}: Estimated size successfully calculated"
|
|
|
|
# Finally, update team's space
|
|
if team.present?
|
|
team.take_space(es)
|
|
team.save
|
|
end
|
|
end
|
|
|
|
def url(style = :original, timeout: Constants::URL_SHORT_EXPIRE_TIME)
|
|
if file.is_stored_on_s3? && !file.processing?
|
|
presigned_url(style, timeout: timeout)
|
|
else
|
|
file.url(style)
|
|
end
|
|
end
|
|
|
|
# When using S3 file upload, we can limit file accessibility with url signing
|
|
def presigned_url(style = :original,
|
|
download: false,
|
|
timeout: Constants::URL_SHORT_EXPIRE_TIME)
|
|
if file.is_stored_on_s3?
|
|
if download
|
|
download_arg = 'attachment; filename=' + URI.escape(file_file_name)
|
|
else
|
|
download_arg = nil
|
|
end
|
|
|
|
signer = Aws::S3::Presigner.new(client: S3_BUCKET.client)
|
|
signer.presigned_url(:get_object,
|
|
bucket: S3_BUCKET.name,
|
|
key: file.path(style)[1..-1],
|
|
expires_in: timeout,
|
|
# this response header forces object download
|
|
response_content_disposition: download_arg)
|
|
end
|
|
end
|
|
|
|
def open
|
|
if file.is_stored_on_s3?
|
|
Kernel.open(presigned_url, "rb")
|
|
else
|
|
File.open(file.path, "rb")
|
|
end
|
|
end
|
|
|
|
# Preserving attachments (on client-side) between failed validations
|
|
# (only usable for small/few files!).
|
|
# Needs to be called before save method and view needs to have
|
|
# :file_content and :file_info hidden field.
|
|
# If file is an image, it can be viewed on front-end
|
|
# using @preview_cached with image_tag tag.
|
|
def preserve(file_data)
|
|
if file_data[:file_content].present?
|
|
restore_cached(file_data[:file_content], file_data[:file_info])
|
|
end
|
|
cache
|
|
end
|
|
|
|
def can_perform_action(action)
|
|
if ENV['WOPI_ENABLED'] == 'true'
|
|
file_ext = file_file_name.split('.').last
|
|
|
|
if file_ext == 'wopitest' &&
|
|
(!ENV['WOPI_TEST_ENABLED'] || ENV['WOPI_TEST_ENABLED'] == 'false')
|
|
return false
|
|
end
|
|
action = get_action(file_ext, action)
|
|
return false if action.nil?
|
|
true
|
|
else
|
|
false
|
|
end
|
|
end
|
|
|
|
def get_action_url(user, action, with_tokens = true)
|
|
file_ext = file_file_name.split('.').last
|
|
action = get_action(file_ext, action)
|
|
if !action.nil?
|
|
action_url = action.urlsrc
|
|
if ENV['WOPI_BUSINESS_USERS'] && ENV['WOPI_BUSINESS_USERS'] == 'true'
|
|
action_url = action_url.gsub(/<IsLicensedUser=BUSINESS_USER&>/,
|
|
'IsLicensedUser=1&')
|
|
action_url = action_url.gsub(/<IsLicensedUser=BUSINESS_USER>/,
|
|
'IsLicensedUser=1')
|
|
else
|
|
action_url = action_url.gsub(/<IsLicensedUser=BUSINESS_USER&>/,
|
|
'IsLicensedUser=0&')
|
|
action_url = action_url.gsub(/<IsLicensedUser=BUSINESS_USER>/,
|
|
'IsLicensedUser=0')
|
|
end
|
|
action_url = action_url.gsub(/<.*?=.*?>/, '')
|
|
|
|
rest_url = Rails.application.routes.url_helpers.wopi_rest_endpoint_url(
|
|
host: ENV['WOPI_ENDPOINT_URL'],
|
|
id: id
|
|
)
|
|
action_url += "WOPISrc=#{rest_url}"
|
|
if with_tokens
|
|
token = user.get_wopi_token
|
|
action_url + "&access_token=#{token.token}"\
|
|
"&access_token_ttl=#{(token.ttl * 1000)}"
|
|
else
|
|
action_url
|
|
end
|
|
else
|
|
return nil
|
|
end
|
|
end
|
|
|
|
def favicon_url(action)
|
|
file_ext = file_file_name.split('.').last
|
|
action = get_action(file_ext, action)
|
|
action.wopi_app.icon if action.try(:wopi_app)
|
|
end
|
|
|
|
# locked?, lock_asset and refresh_lock rely on the asset
|
|
# being locked in the database to prevent race conditions
|
|
def locked?
|
|
!lock.nil?
|
|
end
|
|
|
|
def lock_asset(lock_string)
|
|
self.lock = lock_string
|
|
self.lock_ttl = Time.now.to_i + LOCK_DURATION
|
|
delay(queue: :assets, run_at: LOCK_DURATION.seconds.from_now).unlock_expired
|
|
save!
|
|
end
|
|
|
|
def refresh_lock
|
|
self.lock_ttl = Time.now.to_i + LOCK_DURATION
|
|
delay(queue: :assets, run_at: LOCK_DURATION.seconds.from_now).unlock_expired
|
|
save!
|
|
end
|
|
|
|
def unlock
|
|
self.lock = nil
|
|
self.lock_ttl = nil
|
|
save!
|
|
end
|
|
|
|
def unlock_expired
|
|
with_lock do
|
|
if !lock_ttl.nil? && lock_ttl >= Time.now.to_i
|
|
self.lock = nil
|
|
self.lock_ttl = nil
|
|
save!
|
|
end
|
|
end
|
|
end
|
|
|
|
def update_contents(new_file)
|
|
new_file.class.class_eval { attr_accessor :original_filename }
|
|
new_file.original_filename = file_file_name
|
|
self.file = new_file
|
|
self.version = version.nil? ? 1 : version + 1
|
|
save
|
|
end
|
|
|
|
def editable_image?
|
|
!locked? && %r{^image/#{Regexp.union(Constants::WHITELISTED_IMAGE_TYPES_EDITABLE)}} =~ file.content_type
|
|
end
|
|
|
|
def generate_base64(style)
|
|
image = if file.options[:storage].to_sym == :s3
|
|
URI.parse(url(style)).open.to_a.join
|
|
else
|
|
File.open(file.path(style)).to_a.join
|
|
end
|
|
encoded_data = Base64.strict_encode64(image)
|
|
"data:#{file_content_type};base64,#{encoded_data}"
|
|
end
|
|
|
|
protected
|
|
|
|
# Checks if attachments is an image (in post processing imagemagick will
|
|
# generate styles)
|
|
def allow_styles_on_images
|
|
if !(file.content_type =~ %r{^(image|(x-)?application)/(x-png|pjpeg|jpeg|jpg|png|gif)$})
|
|
return false
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def filter_paperclip_errors
|
|
if errors.size > 1
|
|
temp_errors = errors[:file]
|
|
errors.clear
|
|
errors.add(:file, temp_errors)
|
|
end
|
|
end
|
|
|
|
def file_changed?
|
|
previous_changes.present? and
|
|
(
|
|
(
|
|
previous_changes.key? "file_file_name" and
|
|
previous_changes["file_file_name"].first !=
|
|
previous_changes["file_file_name"].last
|
|
) or (
|
|
previous_changes.key? "file_file_size" and
|
|
previous_changes["file_file_size"].first !=
|
|
previous_changes["file_file_size"].last
|
|
)
|
|
)
|
|
end
|
|
|
|
def step_or_result_or_repository_asset_value
|
|
# We must allow both step and result to be blank because of GUI
|
|
# (even though it's not really a "valid" asset)
|
|
if step.present? && result.present? ||
|
|
step.present? && repository_asset_value.present? ||
|
|
result.present? && repository_asset_value.present?
|
|
errors.add(
|
|
:base,
|
|
'Asset can only be result or step or repository cell, not ever.'
|
|
)
|
|
end
|
|
end
|
|
|
|
def wopi_filename_valid
|
|
# Check that filename without extension is not blank
|
|
unless file.original_filename[0..-6].present?
|
|
errors.add(
|
|
:file,
|
|
I18n.t('general.text.not_blank')
|
|
)
|
|
end
|
|
# Check maximum filename length
|
|
if file.original_filename.length > Constants::FILENAME_MAX_LENGTH
|
|
errors.add(
|
|
:file,
|
|
I18n.t(
|
|
'general.file.file_name_too_long',
|
|
limit: Constants::FILENAME_MAX_LENGTH
|
|
)
|
|
)
|
|
end
|
|
end
|
|
|
|
def cache
|
|
fetched_file = file.fetch
|
|
file_content = fetched_file.read
|
|
@file_content = encrypt(file_content)
|
|
@file_info = %Q[{"content_type" : "#{file.content_type}", "original_filename" : "#{file.original_filename}"}]
|
|
@file_info = encrypt(@file_info)
|
|
if !(file.content_type =~ /^image/).nil?
|
|
@preview_cached = "data:image/png;base64," + Base64.encode64(file_content)
|
|
end
|
|
end
|
|
|
|
def restore_cached(file_content, file_info)
|
|
decoded_data = decrypt(file_content)
|
|
decoded_data_info = decrypt(file_info)
|
|
decoded_data_info = JSON.parse decoded_data_info
|
|
|
|
data = StringIO.new(decoded_data)
|
|
data.class_eval do
|
|
attr_accessor :content_type, :original_filename
|
|
end
|
|
data.content_type = decoded_data_info['content_type']
|
|
data.original_filename = File.basename(decoded_data_info['original_filename'])
|
|
|
|
self.file = data
|
|
end
|
|
end
|