Class: Upload
- Inherits:
-
ActiveRecord::Base
- Object
- ActiveRecord::Base
- Upload
- Includes:
- ActionView::Helpers::NumberHelper, HasUrl
- Defined in:
- app/models/upload.rb
Constant Summary collapse
- SHA1_LENGTH =
40
- SEEDED_ID_THRESHOLD =
0
- URL_REGEX =
%r{(/original/\dX[/\.\w]*/(\h+)[\.\w]*)}
- MAX_IDENTIFY_SECONDS =
5
- DOMINANT_COLOR_COMMAND_TIMEOUT_SECONDS =
5
Instance Attribute Summary collapse
-
#for_export ⇒ Object
Returns the value of attribute for_export.
-
#for_gravatar ⇒ Object
Returns the value of attribute for_gravatar.
-
#for_group_message ⇒ Object
Returns the value of attribute for_group_message.
-
#for_private_message ⇒ Object
Returns the value of attribute for_private_message.
-
#for_site_setting ⇒ Object
Returns the value of attribute for_site_setting.
-
#for_theme ⇒ Object
Returns the value of attribute for_theme.
-
#validate_file_size ⇒ Object
Returns the value of attribute validate_file_size.
Class Method Summary collapse
- .add_in_use_callback(&block) ⇒ Object
- .add_unused_callback(&block) ⇒ Object
- .backfill_dominant_colors!(count) ⇒ Object
- .base62_sha1(sha1) ⇒ Object
- .consider_for_reuse(upload, post) ⇒ Object
- .extract_upload_ids(raw) ⇒ Object
- .generate_digest(path) ⇒ Object
- .in_use_callbacks ⇒ Object
- .mark_invalid_s3_uploads_as_missing ⇒ Object
- .migrate_to_new_scheme(limit: nil) ⇒ Object
- .reset_in_use_callbacks ⇒ Object
- .reset_unused_callbacks ⇒ Object
- .secure_uploads_url?(url) ⇒ Boolean
- .secure_uploads_url_from_upload_url(url) ⇒ Object
- .sha1_from_base62_encoded(encoded_sha1) ⇒ Object
- .sha1_from_long_url(url) ⇒ Object
- .sha1_from_short_path(path) ⇒ Object
- .sha1_from_short_url(url) ⇒ Object
- .short_path(sha1:, extension:) ⇒ Object
- .signed_url_from_secure_uploads_url(url) ⇒ Object
- .unused_callbacks ⇒ Object
- .verification_statuses ⇒ Object
- .with_no_non_post_relations ⇒ Object
Instance Method Summary collapse
-
#access_control_post ⇒ Object
when we access this post we don’t care if the post is deleted.
- #base62_sha1 ⇒ Object
- #calculate_dominant_color!(local_path = nil) ⇒ Object
- #content ⇒ Object
- #copied_from_other_post?(post) ⇒ Boolean
- #create_thumbnail!(width, height, opts = nil) ⇒ Object
- #destroy ⇒ Object
- #dominant_color(calculate_if_missing: false) ⇒ Object
- #fix_dimensions! ⇒ Object
- #fix_image_extension ⇒ Object
-
#get_dimension(key) ⇒ Object
on demand image size calculation, this allows us to null out image sizes and still handle as needed.
-
#get_optimized_image(width, height, opts = nil) ⇒ Object
this method attempts to correct old incorrect extensions.
- #has_thumbnail?(width, height) ⇒ Boolean
- #height ⇒ Object
- #human_filesize ⇒ Object
-
#initialize(*args) ⇒ Upload
constructor
A new instance of Upload.
- #local? ⇒ Boolean
- #matching_access_control_post?(post) ⇒ Boolean
- #rebake_posts_on_old_scheme ⇒ Object
- #secure_params(secure, reason, source = "unknown") ⇒ Object
- #short_path ⇒ Object
- #short_url ⇒ Object
- #target_image_quality(local_path, test_quality) ⇒ Object
- #thumbnail(width = self.thumbnail_width, height = self.thumbnail_height) ⇒ Object
- #thumbnail_height ⇒ Object
- #thumbnail_width ⇒ Object
- #to_markdown ⇒ Object
- #to_s ⇒ Object
- #update_secure_status(source: "unknown", override: nil) ⇒ Object
- #uploaded_before_secure_uploads_enabled? ⇒ Boolean
- #width ⇒ Object
Constructor Details
#initialize(*args) ⇒ Upload
Returns a new instance of Upload.
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# File 'app/models/upload.rb', line 115 def initialize(*args) super self.validate_file_size = true end |
Instance Attribute Details
#for_export ⇒ Object
Returns the value of attribute for_export.
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# File 'app/models/upload.rb', line 35 def for_export @for_export end |
#for_gravatar ⇒ Object
Returns the value of attribute for_gravatar.
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# File 'app/models/upload.rb', line 37 def for_gravatar @for_gravatar end |
#for_group_message ⇒ Object
Returns the value of attribute for_group_message.
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# File 'app/models/upload.rb', line 32 def @for_group_message end |
#for_private_message ⇒ Object
Returns the value of attribute for_private_message.
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# File 'app/models/upload.rb', line 34 def @for_private_message end |
#for_site_setting ⇒ Object
Returns the value of attribute for_site_setting.
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# File 'app/models/upload.rb', line 36 def for_site_setting @for_site_setting end |
#for_theme ⇒ Object
Returns the value of attribute for_theme.
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# File 'app/models/upload.rb', line 33 def for_theme @for_theme end |
#validate_file_size ⇒ Object
Returns the value of attribute validate_file_size.
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# File 'app/models/upload.rb', line 38 def validate_file_size @validate_file_size end |
Class Method Details
.add_in_use_callback(&block) ⇒ Object
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# File 'app/models/upload.rb', line 97 def self.add_in_use_callback(&block) (@in_use_callbacks ||= []) << block end |
.add_unused_callback(&block) ⇒ Object
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# File 'app/models/upload.rb', line 85 def self.add_unused_callback(&block) (@unused_callbacks ||= []) << block end |
.backfill_dominant_colors!(count) ⇒ Object
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# File 'app/models/upload.rb', line 655 def self.backfill_dominant_colors!(count) Upload .where(dominant_color: nil) .order("id desc") .first(count) .each { |upload| upload.calculate_dominant_color! } end |
.base62_sha1(sha1) ⇒ Object
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# File 'app/models/upload.rb', line 277 def self.base62_sha1(sha1) Base62.encode(sha1.hex) end |
.consider_for_reuse(upload, post) ⇒ Object
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# File 'app/models/upload.rb', line 234 def self.consider_for_reuse(upload, post) return upload if !SiteSetting.secure_uploads? || upload.blank? || post.blank? if !upload.matching_access_control_post?(post) || upload.uploaded_before_secure_uploads_enabled? return nil end upload end |
.extract_upload_ids(raw) ⇒ Object
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# File 'app/models/upload.rb', line 641 def self.extract_upload_ids(raw) return [] if raw.blank? sha1s = [] raw.scan(/\/(\h{40})/).each { |match| sha1s << match[0] } raw .scan(%r{/([a-zA-Z0-9]+)}) .each { |match| sha1s << Upload.sha1_from_base62_encoded(match[0]) } Upload.where(sha1: sha1s.uniq).pluck(:id) end |
.generate_digest(path) ⇒ Object
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# File 'app/models/upload.rb', line 473 def self.generate_digest(path) Digest::SHA1.file(path).hexdigest end |
.in_use_callbacks ⇒ Object
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# File 'app/models/upload.rb', line 101 def self.in_use_callbacks @in_use_callbacks end |
.mark_invalid_s3_uploads_as_missing ⇒ Object
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# File 'app/models/upload.rb', line 79 def self.mark_invalid_s3_uploads_as_missing Upload.with_invalid_etag_verification_status.update_all( verification_status: Upload.verification_statuses[:s3_file_missing_confirmed], ) end |
.migrate_to_new_scheme(limit: nil) ⇒ Object
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# File 'app/models/upload.rb', line 518 def self.migrate_to_new_scheme(limit: nil) problems = [] DistributedMutex.synchronize("migrate_upload_to_new_scheme") do if SiteSetting.migrate_to_new_scheme max_file_size_kb = [ SiteSetting.max_image_size_kb, SiteSetting., ].max.kilobytes local_store = FileStore::LocalStore.new db = RailsMultisite::ConnectionManagement.current_db scope = Upload .by_users .where("url NOT LIKE '%/original/_X/%' AND url LIKE ?", "%/uploads/#{db}%") .order(id: :desc) scope = scope.limit(limit) if limit if scope.count == 0 SiteSetting.migrate_to_new_scheme = false return problems end remap_scope = nil scope.each do |upload| begin # keep track of the url previous_url = upload.url.dup # where is the file currently stored? external = previous_url =~ %r{\A//} # download if external if external url = SiteSetting.scheme + ":" + previous_url begin retries ||= 0 file = FileHelper.download( url, max_file_size: max_file_size_kb, tmp_file_name: "discourse", follow_redirect: true, ) rescue OpenURI::HTTPError retry if (retries += 1) < 1 next end path = file.path else path = local_store.path_for(upload) end # compute SHA if missing upload.sha1 = Upload.generate_digest(path) if upload.sha1.blank? # store to new location & update the filesize File.open(path) do |f| upload.url = Discourse.store.store_upload(f, upload) upload.filesize = f.size upload.save!(validate: false) end # remap the URLs DbHelper.remap(UrlHelper.absolute(previous_url), upload.url) unless external DbHelper.remap( previous_url, upload.url, excluded_tables: %w[ posts post_search_data incoming_emails notifications single_sign_on_records stylesheet_cache topic_search_data users user_emails draft_sequences optimized_images ], ) remap_scope ||= begin Post .with_deleted .where( "raw ~ '/uploads/#{db}/\\d+/' OR raw ~ '/uploads/#{db}/original/(\\d|[a-z])/'", ) .select(:id, :raw, :cooked) .all end remap_scope.each do |post| post.raw.gsub!(previous_url, upload.url) post.cooked.gsub!(previous_url, upload.url) if post.changed? Post.with_deleted.where(id: post.id).update_all(raw: post.raw, cooked: post.cooked) end end upload.optimized_images.find_each(&:destroy!) upload.rebake_posts_on_old_scheme # remove the old file (when local) FileUtils.rm(path, force: true) unless external rescue => e problems << { upload: upload, ex: e } ensure file&.unlink file&.close end end end end problems end |
.reset_in_use_callbacks ⇒ Object
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# File 'app/models/upload.rb', line 105 def self.reset_in_use_callbacks @in_use_callbacks = [] end |
.reset_unused_callbacks ⇒ Object
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# File 'app/models/upload.rb', line 93 def self.reset_unused_callbacks @unused_callbacks = [] end |
.secure_uploads_url?(url) ⇒ Boolean
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# File 'app/models/upload.rb', line 242 def self.secure_uploads_url?(url) # we do not want to exclude topic links that for whatever reason # have secure-uploads in the URL e.g. /t/secure-uploads-are-cool/223452 route = UrlHelper.rails_route_from_url(url) return false if route.blank? route[:action] == "show_secure" && route[:controller] == "uploads" && FileHelper.is_supported_media?(url) rescue ActionController::RoutingError false end |
.secure_uploads_url_from_upload_url(url) ⇒ Object
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# File 'app/models/upload.rb', line 260 def self.secure_uploads_url_from_upload_url(url) return url if !url.include?(SiteSetting.Upload.absolute_base_url) uri = URI.parse(url) Rails.application.routes.url_for( controller: "uploads", action: "show_secure", path: uri.path[1..-1], only_path: true, ) end |
.sha1_from_base62_encoded(encoded_sha1) ⇒ Object
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# File 'app/models/upload.rb', line 463 def self.sha1_from_base62_encoded(encoded_sha1) sha1 = Base62.decode(encoded_sha1).to_s(16) if sha1.length > SHA1_LENGTH nil else sha1.rjust(SHA1_LENGTH, "0") end end |
.sha1_from_long_url(url) ⇒ Object
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# File 'app/models/upload.rb', line 459 def self.sha1_from_long_url(url) $2 if url =~ URL_REGEX || url =~ OptimizedImage::URL_REGEX end |
.sha1_from_short_path(path) ⇒ Object
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# File 'app/models/upload.rb', line 451 def self.sha1_from_short_path(path) self.sha1_from_base62_encoded($2) if path =~ %r{(/uploads/short-url/)([a-zA-Z0-9]+)(\..*)?} end |
.sha1_from_short_url(url) ⇒ Object
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# File 'app/models/upload.rb', line 455 def self.sha1_from_short_url(url) self.sha1_from_base62_encoded($2) if url =~ %r{(upload://)?([a-zA-Z0-9]+)(\..*)?} end |
.short_path(sha1:, extension:) ⇒ Object
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# File 'app/models/upload.rb', line 271 def self.short_path(sha1:, extension:) @url_helpers ||= Rails.application.routes.url_helpers @url_helpers.upload_short_path(base62: self.base62_sha1(sha1), extension: extension) end |
.signed_url_from_secure_uploads_url(url) ⇒ Object
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# File 'app/models/upload.rb', line 253 def self.signed_url_from_secure_uploads_url(url) route = UrlHelper.rails_route_from_url(url) url = Rails.application.routes.url_for(route.merge(only_path: true)) secure_upload_s3_path = url[url.index(route[:path])..-1] Discourse.store.signed_url_for_path(secure_upload_s3_path) end |
.unused_callbacks ⇒ Object
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# File 'app/models/upload.rb', line 89 def self.unused_callbacks @unused_callbacks end |
.verification_statuses ⇒ Object
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# File 'app/models/upload.rb', line 69 def self.verification_statuses @verification_statuses ||= Enum.new( unchecked: 1, verified: 2, invalid_etag: 3, # Used by S3Inventory to mark S3 Upload records that have an invalid ETag value compared to the ETag value of the inventory file s3_file_missing_confirmed: 4, # Used by S3Inventory to skip S3 Upload records that are confirmed to not be backed by a file in the S3 file store ) end |
.with_no_non_post_relations ⇒ Object
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# File 'app/models/upload.rb', line 109 def self.with_no_non_post_relations self.joins( "LEFT JOIN upload_references ur ON ur.upload_id = uploads.id AND ur.target_type != 'Post'", ).where("ur.upload_id IS NULL") end |
Instance Method Details
#access_control_post ⇒ Object
when we access this post we don’t care if the post is deleted
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# File 'app/models/upload.rb', line 20 def access_control_post Post.unscoped { super } end |
#base62_sha1 ⇒ Object
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# File 'app/models/upload.rb', line 281 def base62_sha1 Upload.base62_sha1(self.sha1) end |
#calculate_dominant_color!(local_path = nil) ⇒ Object
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# File 'app/models/upload.rb', line 371 def calculate_dominant_color!(local_path = nil) color = nil color = "" if !FileHelper.is_supported_image?("image.#{extension}") || extension == "svg" if color.nil? local_path ||= if local? Discourse.store.path_for(self) else Discourse.store.download_safe(self)&.path end if local_path.nil? # Download failed. Could be too large to download, or file could be missing in s3 color = "" end color ||= begin data = Discourse::Utils.execute_command( "nice", "-n", "10", "convert", local_path, "-depth", "8", "-resize", "1x1", "-define", "histogram:unique-colors=true", "-format", "%c", "histogram:info:", timeout: DOMINANT_COLOR_COMMAND_TIMEOUT_SECONDS, ) # Output format: # 1: (110.873,116.226,93.8821) #6F745E srgb(43.4798%,45.5789%,36.8165%) color = data[/#([0-9A-F]{6})/, 1] raise "Calculated dominant color but unable to parse output:\n#{data}" if color.nil? color rescue Discourse::Utils::CommandError => e # Timeout or unable to parse image # This can happen due to bad user input - ignore and save # an empty string to prevent re-evaluation "" end end if persisted? self.update_column(:dominant_color, color) else self.dominant_color = color end end |
#content ⇒ Object
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# File 'app/models/upload.rb', line 163 def content original_path = Discourse.store.path_for(self) external_copy = nil if original_path.blank? external_copy = Discourse.store.download!(self) original_path = external_copy.path end File.read(original_path) ensure File.unlink(external_copy.path) if external_copy end |
#copied_from_other_post?(post) ⇒ Boolean
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# File 'app/models/upload.rb', line 225 def copied_from_other_post?(post) return false if access_control_post_id.blank? !matching_access_control_post?(post) end |
#create_thumbnail!(width, height, opts = nil) ⇒ Object
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# File 'app/models/upload.rb', line 136 def create_thumbnail!(width, height, opts = nil) return unless SiteSetting.create_thumbnails? opts ||= {} save(validate: false) if get_optimized_image(width, height, opts) end |
#destroy ⇒ Object
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# File 'app/models/upload.rb', line 206 def destroy Upload.transaction do Discourse.store.remove_upload(self) super end end |
#dominant_color(calculate_if_missing: false) ⇒ Object
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# File 'app/models/upload.rb', line 361 def dominant_color(calculate_if_missing: false) val = read_attribute(:dominant_color) if val.nil? && calculate_if_missing calculate_dominant_color! read_attribute(:dominant_color) else val end end |
#fix_dimensions! ⇒ Object
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# File 'app/models/upload.rb', line 289 def fix_dimensions! return if !FileHelper.is_supported_image?("image.#{extension}") begin path = if local? Discourse.store.path_for(self) else Discourse.store.download!(self).path end if extension == "svg" w, h = begin Discourse::Utils.execute_command( "identify", "-ping", "-format", "%w %h", path, timeout: MAX_IDENTIFY_SECONDS, ).split(" ") rescue StandardError [0, 0] end else w, h = FastImage.new(path, raise_on_failure: true).size end self.width = w || 0 self.height = h || 0 self.thumbnail_width, self.thumbnail_height = ImageSizer.resize(w, h) self.update_columns( width: width, height: height, thumbnail_width: thumbnail_width, thumbnail_height: thumbnail_height, ) rescue => e Discourse.warn_exception(e, message: "Error getting image dimensions") end nil end |
#fix_image_extension ⇒ Object
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# File 'app/models/upload.rb', line 177 def fix_image_extension return false if extension == "unknown" begin # this is relatively cheap once cached original_path = Discourse.store.path_for(self) if original_path.blank? external_copy = Discourse.store.download_safe(self) original_path = external_copy&.path end image_info = begin FastImage.new(original_path) rescue StandardError nil end new_extension = image_info&.type&.to_s || "unknown" if new_extension != self.extension self.update_columns(extension: new_extension) true end rescue StandardError self.update_columns(extension: "unknown") true end end |
#get_dimension(key) ⇒ Object
on demand image size calculation, this allows us to null out image sizes and still handle as needed
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# File 'app/models/upload.rb', line 337 def get_dimension(key) if v = read_attribute(key) return v end fix_dimensions! read_attribute(key) end |
#get_optimized_image(width, height, opts = nil) ⇒ Object
this method attempts to correct old incorrect extensions
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# File 'app/models/upload.rb', line 144 def get_optimized_image(width, height, opts = nil) opts ||= {} fix_image_extension if (!extension || extension.length == 0) opts = opts.merge(raise_on_error: true) begin OptimizedImage.create_for(self, width, height, opts) rescue => ex Rails.logger.info ex if Rails.env.development? opts = opts.merge(raise_on_error: false) if fix_image_extension OptimizedImage.create_for(self, width, height, opts) else nil end end end |
#has_thumbnail?(width, height) ⇒ Boolean
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# File 'app/models/upload.rb', line 132 def has_thumbnail?(width, height) thumbnail(width, height).present? end |
#height ⇒ Object
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# File 'app/models/upload.rb', line 349 def height get_dimension(:height) end |
#human_filesize ⇒ Object
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# File 'app/models/upload.rb', line 477 def human_filesize number_to_human_size(self.filesize) end |
#local? ⇒ Boolean
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# File 'app/models/upload.rb', line 285 def local? !(url =~ %r{\A(https?:)?//}) end |
#matching_access_control_post?(post) ⇒ Boolean
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# File 'app/models/upload.rb', line 221 def matching_access_control_post?(post) access_control_post_id == post.id end |
#rebake_posts_on_old_scheme ⇒ Object
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# File 'app/models/upload.rb', line 481 def rebake_posts_on_old_scheme self.posts.where("cooked LIKE '%/_optimized/%'").find_each(&:rebake!) end |
#secure_params(secure, reason, source = "unknown") ⇒ Object
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# File 'app/models/upload.rb', line 510 def secure_params(secure, reason, source = "unknown") { secure: secure, security_last_changed_reason: reason + " | source: #{source}", security_last_changed_at: Time.zone.now, } end |
#short_path ⇒ Object
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# File 'app/models/upload.rb', line 230 def short_path self.class.short_path(sha1: self.sha1, extension: self.extension) end |
#short_url ⇒ Object
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# File 'app/models/upload.rb', line 213 def short_url "upload://#{short_url_basename}" end |
#target_image_quality(local_path, test_quality) ⇒ Object
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# File 'app/models/upload.rb', line 433 def target_image_quality(local_path, test_quality) @file_quality ||= begin Discourse::Utils.execute_command( "identify", "-ping", "-format", "%Q", local_path, timeout: MAX_IDENTIFY_SECONDS, ).to_i rescue StandardError 0 end test_quality if @file_quality == 0 || @file_quality > test_quality end |
#thumbnail(width = self.thumbnail_width, height = self.thumbnail_height) ⇒ Object
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# File 'app/models/upload.rb', line 128 def thumbnail(width = self.thumbnail_width, height = self.thumbnail_height) optimized_images.find_by(width: width, height: height) end |
#thumbnail_height ⇒ Object
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# File 'app/models/upload.rb', line 357 def thumbnail_height get_dimension(:thumbnail_height) end |
#thumbnail_width ⇒ Object
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# File 'app/models/upload.rb', line 353 def thumbnail_width get_dimension(:thumbnail_width) end |
#to_markdown ⇒ Object
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# File 'app/models/upload.rb', line 124 def to_markdown UploadMarkdown.new(self).to_markdown end |
#to_s ⇒ Object
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# File 'app/models/upload.rb', line 120 def to_s self.url end |
#update_secure_status(source: "unknown", override: nil) ⇒ Object
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# File 'app/models/upload.rb', line 485 def update_secure_status(source: "unknown", override: nil) if override.nil? mark_secure, reason = UploadSecurity.new(self).should_be_secure_with_reason else mark_secure = override reason = "manually overridden" end secure_status_did_change = self.secure? != mark_secure self.update(secure_params(mark_secure, reason, source)) if secure_status_did_change && SiteSetting.s3_use_acls && Discourse.store.external? begin Discourse.store.update_upload_ACL(self) rescue Aws::S3::Errors::NotImplemented => err Discourse.warn_exception( err, message: "The file store object storage provider does not support setting ACLs", ) end end secure_status_did_change end |
#uploaded_before_secure_uploads_enabled? ⇒ Boolean
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# File 'app/models/upload.rb', line 217 def uploaded_before_secure_uploads_enabled? original_sha1.blank? end |
#width ⇒ Object
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# File 'app/models/upload.rb', line 345 def width get_dimension(:width) end |