mirror of
https://github.com/philomena-dev/philomena.git
synced 2024-11-23 20:18:00 +01:00
Add framework for zip data export
This commit is contained in:
Liam
parent
78a9caf083
commit
1de4a7b820
8 changed files with 509 additions and 8 deletions
171
lib/philomena/data_exports/aggregator.ex
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171
lib/philomena/data_exports/aggregator.ex
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@ -0,0 +1,171 @@
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defmodule Philomena.DataExports.Aggregator do
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@moduledoc """
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Data generation module for data export logic.
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"""
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import Ecto.Query
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alias PhilomenaQuery.Batch
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# Direct PII
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alias Philomena.Donations.Donation
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alias Philomena.UserFingerprints.UserFingerprint
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alias Philomena.UserIps.UserIp
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alias Philomena.UserNameChanges.UserNameChange
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alias Philomena.Users.User
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# UGC for export
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alias Philomena.ArtistLinks.ArtistLink
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alias Philomena.Badges.Award
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alias Philomena.Comments.Comment
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alias Philomena.Commissions.Commission
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alias Philomena.DnpEntries.DnpEntry
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alias Philomena.DuplicateReports.DuplicateReport
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alias Philomena.Filters.Filter
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alias Philomena.ImageFaves.ImageFave
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alias Philomena.ImageHides.ImageHide
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alias Philomena.ImageVotes.ImageVote
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alias Philomena.Images.Image
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alias Philomena.PollVotes.PollVote
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alias Philomena.Posts.Post
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alias Philomena.Reports.Report
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alias Philomena.SourceChanges.SourceChange
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alias Philomena.TagChanges.TagChange
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alias Philomena.Topics.Topic
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alias Philomena.Bans.User, as: UserBan
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# Direct UGC from form submission
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@user_columns [
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:created_at,
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:name,
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:email,
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:description,
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:current_filter_id,
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:spoiler_type,
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:theme,
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:images_per_page,
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:show_large_thumbnails,
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:show_sidebar_and_watched_images,
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:fancy_tag_field_on_upload,
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:fancy_tag_field_on_edit,
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:fancy_tag_field_in_settings,
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:autorefresh_by_default,
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:anonymous_by_default,
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:comments_newest_first,
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:comments_always_jump_to_last,
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:comments_per_page,
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:watch_on_reply,
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:watch_on_new_topic,
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:watch_on_upload,
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:messages_newest_first,
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:serve_webm,
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:no_spoilered_in_watched,
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:watched_images_query_str,
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:watched_images_exclude_str,
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:use_centered_layout,
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:personal_title,
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:hide_vote_counts,
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:scale_large_images
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]
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# All these also have created_at and are selected by user_id
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@indirect_columns [
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{Donation, [:email, :amount, :fee, :note]},
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{UserFingerprint, [:fingerprint, :uses, :updated_at]},
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{UserIp, [:ip, :uses, :updated_at]},
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{UserNameChange, [:name]},
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{ArtistLink, [:aasm_state, :uri, :public, :tag_id]},
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{Award, [:label, :badge_name, :badge_id]},
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{Comment,
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[
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:ip,
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:fingerprint,
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:user_agent,
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:referrer,
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:anonymous,
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:image_id,
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:edited_at,
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:edit_reason,
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:body
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]},
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{Commission,
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[:open, :sheet_image_id, :categories, :information, :contact, :will_create, :will_not_create]},
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{DnpEntry, [:tag_id, :aasm_state, :dnp_type, :hide_reason, :feedback, :reason, :instructions],
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:requesting_user_id},
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{DuplicateReport, [:reason, :image_id, :duplicate_of_image_id]},
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{Filter,
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[
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:name,
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:description,
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:public,
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:hidden_complex_str,
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:spoilered_complex_str,
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:hidden_tag_ids,
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:spoilered_tag_ids
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]},
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{ImageFave, [:image_id], :user_id, :image_id},
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{ImageHide, [:image_id], :user_id, :image_id},
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{ImageVote, [:image_id, :up], :user_id, :image_id},
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{Image, [:ip, :fingerprint, :user_agent, :referrer, :anonymous, :description]},
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{PollVote, [:rank, :poll_option_id]},
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{Post,
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[:ip, :fingerprint, :user_agent, :referrer, :anonymous, :edited_at, :edit_reason, :body]},
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{Report,
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[:ip, :fingerprint, :user_agent, :referrer, :reason, :reportable_id, :reportable_type]},
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{SourceChange, [:ip, :fingerprint, :user_agent, :referrer, :image_id, :added, :value]},
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{TagChange,
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[:ip, :fingerprint, :user_agent, :referrer, :image_id, :added, :tag_id, :tag_name_cache]},
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{Topic, [:title, :anonymous, :forum_id]},
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{UserBan, [:reason, :generated_ban_id]}
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]
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@doc """
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Get all of the export data for the given user.
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"""
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def get_for_user(user_id) do
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[select_user(user_id)] ++ select_indirect(user_id)
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end
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defp select_user(user_id) do
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select_schema_by_key(user_id, User, @user_columns, :id)
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end
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defp select_indirect(user_id) do
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Enum.map(@indirect_columns, fn
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{schema_name, columns} ->
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select_schema_by_key(user_id, schema_name, columns)
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{schema_name, columns, key_column} ->
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select_schema_by_key(user_id, schema_name, columns, key_column)
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{schema_name, columns, key_column, id_field} ->
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select_schema_by_key(user_id, schema_name, columns, key_column, id_field)
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end)
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end
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defp select_schema_by_key(
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user_id,
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schema_name,
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columns,
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key_column \\ :user_id,
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id_field \\ :id
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) do
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table_name = schema_name.__schema__(:source)
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columns = [:created_at] ++ columns
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{"#{table_name}.jsonl",
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schema_name
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|> where([s], field(s, ^key_column) == ^user_id)
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|> select([s], map(s, ^columns))
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|> Batch.records(id_field: id_field)
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|> results_as_json_lines()}
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end
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defp results_as_json_lines(list_of_maps) do
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Stream.map(list_of_maps, fn map ->
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map
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|> Map.new(fn {k, v} -> {k, to_string(v)} end)
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|> Jason.encode!()
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|> Kernel.<>("\n")
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end)
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end
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end
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56
lib/philomena/data_exports/zip_generator.ex
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56
lib/philomena/data_exports/zip_generator.ex
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@ -0,0 +1,56 @@
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defmodule Philomena.DataExports.ZipGenerator do
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@moduledoc """
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ZIP file generator for an export.
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"""
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alias Philomena.Native
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@doc """
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Write the ZIP file for the given aggregate data.
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Expects a list of 2-tuples, with the first element being the name of the
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file to generate, and the second element being a stream which generates the
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binary contents of the file.
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"""
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@spec generate(Path.t(), Enumerable.t()) :: :ok | atom()
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def generate(filename, aggregate) do
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case Native.zip_open_writer(filename) do
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{:ok, zip} ->
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stream_aggregate(zip, aggregate)
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error ->
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error
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end
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end
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@spec stream_aggregate(reference(), Enumerable.t()) :: {:ok, reference()} | :error
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defp stream_aggregate(zip, aggregate) do
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aggregate
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|> Enum.reduce_while(:ok, fn {name, content_stream}, _ ->
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with :ok <- Native.zip_start_file(zip, name),
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:ok <- stream_file_data(zip, content_stream) do
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{:cont, :ok}
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else
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error ->
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{:halt, error}
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end
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end)
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|> case do
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:ok ->
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Native.zip_finish(zip)
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error ->
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error
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end
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end
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@spec stream_file_data(reference(), Enumerable.t(iodata())) :: :ok | :error
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defp stream_file_data(zip, content_stream) do
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Enum.reduce_while(content_stream, :ok, fn iodata, _ ->
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case Native.zip_write(zip, IO.iodata_to_binary(iodata)) do
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:ok -> {:cont, :ok}
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error -> {:halt, error}
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end
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end)
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end
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end
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@ -11,4 +11,16 @@ defmodule Philomena.Native do
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@spec camo_image_url(String.t()) :: String.t()
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@spec camo_image_url(String.t()) :: String.t()
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def camo_image_url(_uri), do: :erlang.nif_error(:nif_not_loaded)
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def camo_image_url(_uri), do: :erlang.nif_error(:nif_not_loaded)
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@spec zip_open_writer(Path.t()) :: {:ok, reference()} | {:error, atom()}
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def zip_open_writer(_path), do: :erlang.nif_error(:nif_not_loaded)
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@spec zip_start_file(reference(), String.t()) :: :ok | :error
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def zip_start_file(_zip, _name), do: :erlang.nif_error(:nif_not_loaded)
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@spec zip_write(reference(), binary()) :: :ok | :error
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def zip_write(_zip, _data), do: :erlang.nif_error(:nif_not_loaded)
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@spec zip_finish(reference()) :: :ok | :error
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def zip_finish(_zip), do: :erlang.nif_error(:nif_not_loaded)
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end
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end
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@ -125,8 +125,9 @@ defmodule PhilomenaQuery.Batch do
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batch_size = Keyword.get(opts, :batch_size, 1000)
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batch_size = Keyword.get(opts, :batch_size, 1000)
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queryable
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queryable
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|> exclude(:preload)
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|> exclude(:order_by)
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|> exclude(:order_by)
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|> exclude(:preload)
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|> exclude(:select)
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|> order_by(asc: ^id_field)
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|> order_by(asc: ^id_field)
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|> where([m], field(m, ^id_field) > ^max_id)
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|> where([m], field(m, ^id_field) > ^max_id)
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|> select([m], field(m, ^id_field))
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|> select([m], field(m, ^id_field))
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169
native/philomena/Cargo.lock
generated
169
native/philomena/Cargo.lock
generated
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@ -2,6 +2,12 @@
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# It is not intended for manual editing.
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# It is not intended for manual editing.
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version = 3
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version = 3
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[[package]]
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name = "adler2"
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version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
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[[package]]
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[[package]]
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name = "aho-corasick"
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name = "aho-corasick"
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version = "1.1.3"
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version = "1.1.3"
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@ -11,6 +17,15 @@ dependencies = [
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"memchr",
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"memchr",
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]
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]
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[[package]]
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name = "arbitrary"
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version = "1.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dde20b3d026af13f561bdd0f15edf01fc734f0dafcedbaf42bba506a9517f223"
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dependencies = [
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"derive_arbitrary",
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]
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[[package]]
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[[package]]
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name = "base64"
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name = "base64"
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version = "0.21.7"
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version = "0.21.7"
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@ -57,6 +72,21 @@ dependencies = [
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"unicode_categories",
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"unicode_categories",
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]
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]
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|
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[[package]]
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|
name = "crc32fast"
|
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|
version = "1.4.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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|
checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
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||||||
|
dependencies = [
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|
"cfg-if",
|
||||||
|
]
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|
|
||||||
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[[package]]
|
||||||
|
name = "crossbeam-utils"
|
||||||
|
version = "0.8.20"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "darling"
|
name = "darling"
|
||||||
version = "0.20.9"
|
version = "0.20.9"
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||||||
|
|
@ -92,6 +122,17 @@ dependencies = [
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||||||
"syn",
|
"syn",
|
||||||
]
|
]
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||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "derive_arbitrary"
|
||||||
|
version = "1.4.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||||
|
checksum = "30542c1ad912e0e3d22a1935c290e12e8a29d704a420177a31faad4a601a0800"
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||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
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||||||
|
"quote",
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||||||
|
"syn",
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||||||
|
]
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||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "derive_builder"
|
name = "derive_builder"
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||||||
version = "0.20.0"
|
version = "0.20.0"
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||||||
|
|
@ -129,12 +170,39 @@ version = "1.4.4"
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||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "322ef0094744e63628e6f0eb2295517f79276a5b342a4c2ff3042566ca181d4e"
|
checksum = "322ef0094744e63628e6f0eb2295517f79276a5b342a4c2ff3042566ca181d4e"
|
||||||
|
|
||||||
|
[[package]]
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||||||
|
name = "displaydoc"
|
||||||
|
version = "0.2.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "entities"
|
name = "entities"
|
||||||
version = "1.0.1"
|
version = "1.0.1"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "b5320ae4c3782150d900b79807611a59a99fc9a1d61d686faafc24b93fc8d7ca"
|
checksum = "b5320ae4c3782150d900b79807611a59a99fc9a1d61d686faafc24b93fc8d7ca"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "equivalent"
|
||||||
|
version = "1.0.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "flate2"
|
||||||
|
version = "1.0.34"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a1b589b4dc103969ad3cf85c950899926ec64300a1a46d76c03a6072957036f0"
|
||||||
|
dependencies = [
|
||||||
|
"crc32fast",
|
||||||
|
"miniz_oxide",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "fnv"
|
name = "fnv"
|
||||||
version = "1.0.7"
|
version = "1.0.7"
|
||||||
|
|
@ -150,6 +218,12 @@ dependencies = [
|
||||||
"percent-encoding",
|
"percent-encoding",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "hashbrown"
|
||||||
|
version = "0.15.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3a9bfc1af68b1726ea47d3d5109de126281def866b33970e10fbab11b5dafab3"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "heck"
|
name = "heck"
|
||||||
version = "0.4.1"
|
version = "0.4.1"
|
||||||
|
|
@ -183,6 +257,16 @@ dependencies = [
|
||||||
"unicode-normalization",
|
"unicode-normalization",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "indexmap"
|
||||||
|
version = "2.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
|
||||||
|
dependencies = [
|
||||||
|
"equivalent",
|
||||||
|
"hashbrown",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "itoa"
|
name = "itoa"
|
||||||
version = "1.0.11"
|
version = "1.0.11"
|
||||||
|
|
@ -230,6 +314,12 @@ version = "0.2.153"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
|
checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lockfree-object-pool"
|
||||||
|
version = "0.1.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9374ef4228402d4b7e403e5838cb880d9ee663314b0a900d5a6aabf0c213552e"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "log"
|
name = "log"
|
||||||
version = "0.4.21"
|
version = "0.4.21"
|
||||||
|
|
@ -238,9 +328,18 @@ checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "memchr"
|
name = "memchr"
|
||||||
version = "2.7.2"
|
version = "2.7.4"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
|
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "miniz_oxide"
|
||||||
|
version = "0.8.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
|
||||||
|
dependencies = [
|
||||||
|
"adler2",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "once_cell"
|
name = "once_cell"
|
||||||
|
|
@ -266,13 +365,14 @@ dependencies = [
|
||||||
"ring",
|
"ring",
|
||||||
"rustler",
|
"rustler",
|
||||||
"url",
|
"url",
|
||||||
|
"zip",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "proc-macro2"
|
name = "proc-macro2"
|
||||||
version = "1.0.80"
|
version = "1.0.89"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "a56dea16b0a29e94408b9aa5e2940a4eedbd128a1ba20e8f7ae60fd3d465af0e"
|
checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
"unicode-ident",
|
"unicode-ident",
|
||||||
]
|
]
|
||||||
|
|
@ -363,6 +463,12 @@ dependencies = [
|
||||||
"unreachable",
|
"unreachable",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simd-adler32"
|
||||||
|
version = "0.3.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "slug"
|
name = "slug"
|
||||||
version = "0.1.5"
|
version = "0.1.5"
|
||||||
|
|
@ -387,15 +493,35 @@ checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "syn"
|
name = "syn"
|
||||||
version = "2.0.59"
|
version = "2.0.87"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "4a6531ffc7b071655e4ce2e04bd464c4830bb585a61cabb96cf808f05172615a"
|
checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
"proc-macro2",
|
"proc-macro2",
|
||||||
"quote",
|
"quote",
|
||||||
"unicode-ident",
|
"unicode-ident",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror"
|
||||||
|
version = "1.0.68"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "02dd99dc800bbb97186339685293e1cc5d9df1f8fae2d0aecd9ff1c77efea892"
|
||||||
|
dependencies = [
|
||||||
|
"thiserror-impl",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror-impl"
|
||||||
|
version = "1.0.68"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a7c61ec9a6f64d2793d8a45faba21efbe3ced62a886d44c36a009b2b519b4c7e"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "tinyvec"
|
name = "tinyvec"
|
||||||
version = "1.6.0"
|
version = "1.6.0"
|
||||||
|
|
@ -561,3 +687,34 @@ name = "winapi-x86_64-pc-windows-gnu"
|
||||||
version = "0.4.0"
|
version = "0.4.0"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zip"
|
||||||
|
version = "2.2.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "dc5e4288ea4057ae23afc69a4472434a87a2495cafce6632fd1c4ec9f5cf3494"
|
||||||
|
dependencies = [
|
||||||
|
"arbitrary",
|
||||||
|
"crc32fast",
|
||||||
|
"crossbeam-utils",
|
||||||
|
"displaydoc",
|
||||||
|
"flate2",
|
||||||
|
"indexmap",
|
||||||
|
"memchr",
|
||||||
|
"thiserror",
|
||||||
|
"zopfli",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zopfli"
|
||||||
|
version = "0.8.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e5019f391bac5cf252e93bbcc53d039ffd62c7bfb7c150414d61369afe57e946"
|
||||||
|
dependencies = [
|
||||||
|
"bumpalo",
|
||||||
|
"crc32fast",
|
||||||
|
"lockfree-object-pool",
|
||||||
|
"log",
|
||||||
|
"once_cell",
|
||||||
|
"simd-adler32",
|
||||||
|
]
|
||||||
|
|
|
||||||
|
|
@ -18,6 +18,7 @@ regex = "1"
|
||||||
ring = "0.16"
|
ring = "0.16"
|
||||||
rustler = "0.28"
|
rustler = "0.28"
|
||||||
url = "2.3"
|
url = "2.3"
|
||||||
|
zip = { version = "2.2.0", features = ["deflate"], default-features = false }
|
||||||
|
|
||||||
[profile.release]
|
[profile.release]
|
||||||
opt-level = 3
|
opt-level = 3
|
||||||
|
|
|
||||||
|
|
@ -1,16 +1,28 @@
|
||||||
use jemallocator::Jemalloc;
|
use jemallocator::Jemalloc;
|
||||||
|
use rustler::{Atom, Binary, Env, Term};
|
||||||
use std::collections::HashMap;
|
use std::collections::HashMap;
|
||||||
|
|
||||||
mod camo;
|
mod camo;
|
||||||
mod domains;
|
mod domains;
|
||||||
mod markdown;
|
mod markdown;
|
||||||
|
mod zip;
|
||||||
|
|
||||||
#[global_allocator]
|
#[global_allocator]
|
||||||
static GLOBAL: Jemalloc = Jemalloc;
|
static GLOBAL: Jemalloc = Jemalloc;
|
||||||
|
|
||||||
rustler::init! {
|
rustler::init! {
|
||||||
"Elixir.Philomena.Native",
|
"Elixir.Philomena.Native",
|
||||||
[markdown_to_html, markdown_to_html_unsafe, camo_image_url]
|
[
|
||||||
|
markdown_to_html, markdown_to_html_unsafe, camo_image_url,
|
||||||
|
zip_open_writer, zip_start_file, zip_write, zip_finish
|
||||||
|
],
|
||||||
|
load = load
|
||||||
|
}
|
||||||
|
|
||||||
|
// Setup.
|
||||||
|
|
||||||
|
fn load(env: Env, arg: Term) -> bool {
|
||||||
|
zip::load(env, arg)
|
||||||
}
|
}
|
||||||
|
|
||||||
// Markdown NIF wrappers.
|
// Markdown NIF wrappers.
|
||||||
|
|
@ -31,3 +43,25 @@ fn markdown_to_html_unsafe(input: &str, reps: HashMap<String, String>) -> String
|
||||||
fn camo_image_url(input: &str) -> String {
|
fn camo_image_url(input: &str) -> String {
|
||||||
camo::image_url_careful(input)
|
camo::image_url_careful(input)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Zip NIF wrappers.
|
||||||
|
|
||||||
|
#[rustler::nif]
|
||||||
|
fn zip_open_writer(path: &str) -> Result<zip::WriterResourceArc, Atom> {
|
||||||
|
zip::open_writer(path)
|
||||||
|
}
|
||||||
|
|
||||||
|
#[rustler::nif]
|
||||||
|
fn zip_start_file(writer: zip::WriterResourceArc, name: &str) -> Atom {
|
||||||
|
zip::start_file(writer, name)
|
||||||
|
}
|
||||||
|
|
||||||
|
#[rustler::nif(schedule = "DirtyCpu")]
|
||||||
|
fn zip_write(writer: zip::WriterResourceArc, data: Binary) -> Atom {
|
||||||
|
zip::write(writer, data.as_slice())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[rustler::nif(schedule = "DirtyCpu")]
|
||||||
|
fn zip_finish(writer: zip::WriterResourceArc) -> Atom {
|
||||||
|
zip::finish(writer)
|
||||||
|
}
|
||||||
|
|
|
||||||
69
native/philomena/src/zip.rs
Normal file
69
native/philomena/src/zip.rs
Normal file
|
|
@ -0,0 +1,69 @@
|
||||||
|
use std::fs::{File, OpenOptions};
|
||||||
|
use std::io::Write;
|
||||||
|
use std::sync::Mutex;
|
||||||
|
|
||||||
|
use rustler::{Atom, Env, ResourceArc, Term};
|
||||||
|
use zip::{write::SimpleFileOptions, CompressionMethod, ZipWriter};
|
||||||
|
|
||||||
|
mod atoms {
|
||||||
|
rustler::atoms! {
|
||||||
|
ok,
|
||||||
|
error,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub struct WriterResource {
|
||||||
|
inner: Mutex<Option<ZipWriter<File>>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
pub type WriterResourceArc = ResourceArc<WriterResource>;
|
||||||
|
|
||||||
|
pub fn load(env: Env, _: Term) -> bool {
|
||||||
|
rustler::resource!(WriterResource, env);
|
||||||
|
true
|
||||||
|
}
|
||||||
|
|
||||||
|
fn with_writer<F, T>(writer: WriterResourceArc, f: F) -> Atom
|
||||||
|
where
|
||||||
|
F: FnOnce(&mut Option<ZipWriter<File>>) -> Option<T>,
|
||||||
|
{
|
||||||
|
let mut guard = match (*writer).inner.lock() {
|
||||||
|
Ok(g) => g,
|
||||||
|
Err(_) => return atoms::error(),
|
||||||
|
};
|
||||||
|
|
||||||
|
match f(&mut guard) {
|
||||||
|
Some(_) => atoms::ok(),
|
||||||
|
None => atoms::error(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn open_writer(path: &str) -> Result<WriterResourceArc, Atom> {
|
||||||
|
match OpenOptions::new()
|
||||||
|
.create(true)
|
||||||
|
.truncate(true)
|
||||||
|
.write(true)
|
||||||
|
.open(path)
|
||||||
|
{
|
||||||
|
Ok(file) => Ok(ResourceArc::new(WriterResource {
|
||||||
|
inner: Mutex::new(Some(ZipWriter::new(file))),
|
||||||
|
})),
|
||||||
|
Err(_) => Err(atoms::error()),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn start_file(writer: WriterResourceArc, name: &str) -> Atom {
|
||||||
|
let options = SimpleFileOptions::default().compression_method(CompressionMethod::Deflated);
|
||||||
|
|
||||||
|
with_writer(writer, move |writer| {
|
||||||
|
writer.as_mut()?.start_file(name, options).ok()
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn write(writer: WriterResourceArc, data: &[u8]) -> Atom {
|
||||||
|
with_writer(writer, move |writer| writer.as_mut()?.write(data).ok())
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn finish(writer: WriterResourceArc) -> Atom {
|
||||||
|
with_writer(writer, move |writer| writer.take().map(|w| w.finish().ok()))
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue