discourse/lib/tasks/posts.rake

737 lines
20 KiB
Ruby

# frozen_string_literal: true
require 'file_store/local_store'
desc 'Update each post with latest markdown'
task 'posts:rebake' => :environment do
ENV['RAILS_DB'] ? rebake_posts : rebake_posts_all_sites
end
task 'posts:rebake_uncooked_posts' => :environment do
# rebaking uncooked posts can very quickly saturate sidekiq
# this provides an insurance policy so you can safely run and stop
# this rake task without worrying about your sidekiq imploding
Jobs.run_immediately!
ENV['RAILS_DB'] ? rebake_uncooked_posts : rebake_uncooked_posts_all_sites
end
def rebake_uncooked_posts_all_sites
RailsMultisite::ConnectionManagement.each_connection do |db|
rebake_uncooked_posts
end
end
def rebake_uncooked_posts
puts "Rebaking uncooked posts on #{RailsMultisite::ConnectionManagement.current_db}"
uncooked = Post.where('baked_version <> ? or baked_version IS NULL', Post::BAKED_VERSION)
rebaked = 0
total = uncooked.count
ids = uncooked.pluck(:id)
# work randomly so you can run this job from lots of consoles if needed
ids.shuffle!
ids.each do |id|
# may have been cooked in interim
post = uncooked.where(id: id).first
if post
rebake_post(post)
end
print_status(rebaked += 1, total)
end
puts "", "#{rebaked} posts done!", ""
end
desc 'Update each post with latest markdown and refresh oneboxes'
task 'posts:refresh_oneboxes' => :environment do
ENV['RAILS_DB'] ? rebake_posts(invalidate_oneboxes: true) : rebake_posts_all_sites(invalidate_oneboxes: true)
end
desc 'Rebake all posts with a quote using a letter_avatar'
task 'posts:fix_letter_avatars' => :environment do
return unless SiteSetting.external_system_avatars_enabled
search = Post.where("user_id <> -1")
.where("raw LIKE '%/letter\_avatar/%' OR cooked LIKE '%/letter\_avatar/%'")
rebaked = 0
total = search.count
search.find_each do |post|
rebake_post(post)
print_status(rebaked += 1, total)
end
puts "", "#{rebaked} posts done!", ""
end
desc 'Rebake all posts matching string/regex and optionally delay the loop'
task 'posts:rebake_match', [:pattern, :type, :delay] => [:environment] do |_, args|
args.with_defaults(type: 'string')
pattern = args[:pattern]
type = args[:type]&.downcase
delay = args[:delay]&.to_i
if !pattern
puts "ERROR: Expecting rake posts:rebake_match[pattern,type,delay]"
exit 1
elsif delay && delay < 1
puts "ERROR: delay parameter should be an integer and greater than 0"
exit 1
elsif type != 'string' && type != 'regex'
puts "ERROR: Expecting rake posts:rebake_match[pattern,type] where type is string or regex"
exit 1
end
search = Post.raw_match(pattern, type)
rebaked = 0
total = search.count
search.find_each do |post|
rebake_post(post)
print_status(rebaked += 1, total)
sleep(delay) if delay
end
puts "", "#{rebaked} posts done!", ""
end
def rebake_posts_all_sites(opts = {})
RailsMultisite::ConnectionManagement.each_connection do |db|
rebake_posts(opts)
end
end
def rebake_posts(opts = {})
puts "Rebaking post markdown for '#{RailsMultisite::ConnectionManagement.current_db}'"
begin
disable_system_edit_notifications = SiteSetting.disable_system_edit_notifications
SiteSetting.disable_system_edit_notifications = true
total = Post.count
rebaked = 0
batch = 1000
Post.update_all('baked_version = NULL')
(0..(total - 1).abs).step(batch) do |i|
Post.order(id: :desc).offset(i).limit(batch).each do |post|
rebake_post(post, opts)
print_status(rebaked += 1, total)
end
end
ensure
SiteSetting.disable_system_edit_notifications = disable_system_edit_notifications
end
puts "", "#{rebaked} posts done!", "-" * 50
end
def rebake_post(post, opts = {})
if !opts[:priority]
opts[:priority] = :ultra_low
end
post.rebake!(opts)
rescue => e
puts "", "Failed to rebake (topic_id: #{post.topic_id}, post_id: #{post.id})", e, e.backtrace.join("\n")
end
def print_status(current, max)
print "\r%9d / %d (%5.1f%%)" % [current, max, ((current.to_f / max.to_f) * 100).round(1)]
end
desc 'normalize all markdown so <pre><code> is not used and instead backticks'
task 'posts:normalize_code' => :environment do
lang = ENV['CODE_LANG'] || ''
require 'import/normalize'
puts "Normalizing"
i = 0
Post.where("raw like '%<pre>%<code>%'").each do |p|
normalized = Import::Normalize.normalize_code_blocks(p.raw, lang)
if normalized != p.raw
p.revise(Discourse.system_user, raw: normalized)
putc "."
i += 1
end
end
puts
puts "#{i} posts normalized!"
end
def remap_posts(find, type, ignore_case, replace = "")
ignore_case = ignore_case == 'true'
i = 0
Post.raw_match(find, type).find_each do |p|
regex =
case type
when 'string' then
Regexp.new(Regexp.escape(find), ignore_case)
when 'regex' then
Regexp.new(find, ignore_case)
end
new_raw = p.raw.gsub(regex, replace)
if new_raw != p.raw
begin
p.revise(Discourse.system_user, { raw: new_raw }, bypass_bump: true, skip_revision: true)
putc "."
i += 1
rescue
puts "\nFailed to remap post (topic_id: #{p.topic_id}, post_id: #{p.id})\n"
end
end
end
i
end
desc 'Remap all posts matching specific string'
task 'posts:remap', [:find, :replace, :type, :ignore_case] => [:environment] do |_, args|
require 'highline/import'
args.with_defaults(type: 'string', ignore_case: 'false')
find = args[:find]
replace = args[:replace]
type = args[:type]&.downcase
ignore_case = args[:ignore_case]&.downcase
if !find
puts "ERROR: Expecting rake posts:remap['find','replace']"
exit 1
elsif !replace
puts "ERROR: Expecting rake posts:remap['find','replace']. Want to delete a word/string instead? Try rake posts:delete_word['word-to-delete']"
exit 1
elsif type != 'string' && type != 'regex'
puts "ERROR: Expecting rake posts:remap['find','replace',type] where type is string or regex"
exit 1
elsif ignore_case != 'true' && ignore_case != 'false'
puts "ERROR: Expecting rake posts:remap['find','replace',type,ignore_case] where ignore_case is true or false"
exit 1
else
confirm_replace = ask("Are you sure you want to replace all #{type} occurrences of '#{find}' with '#{replace}'? (Y/n)")
exit 1 unless (confirm_replace == "" || confirm_replace.downcase == 'y')
end
puts "Remapping"
total = remap_posts(find, type, ignore_case, replace)
puts "", "#{total} posts remapped!", ""
end
desc 'Delete occurrence of a word/string'
task 'posts:delete_word', [:find, :type, :ignore_case] => [:environment] do |_, args|
require 'highline/import'
args.with_defaults(type: 'string', ignore_case: 'false')
find = args[:find]
type = args[:type]&.downcase
ignore_case = args[:ignore_case]&.downcase
if !find
puts "ERROR: Expecting rake posts:delete_word['word-to-delete']"
exit 1
elsif type != 'string' && type != 'regex'
puts "ERROR: Expecting rake posts:delete_word[pattern, type] where type is string or regex"
exit 1
elsif ignore_case != 'true' && ignore_case != 'false'
puts "ERROR: Expecting rake posts:delete_word[pattern, type,ignore_case] where ignore_case is true or false"
exit 1
else
confirm_delete = ask("Are you sure you want to remove all #{type} occurrences of '#{find}'? (Y/n)")
exit 1 unless (confirm_delete == "" || confirm_delete.downcase == 'y')
end
puts "Processing"
total = remap_posts(find, type, ignore_case)
puts "", "#{total} posts updated!", ""
end
desc 'Delete all likes'
task 'posts:delete_all_likes' => :environment do
post_actions = PostAction.where(post_action_type_id: PostActionType.types[:like])
likes_deleted = 0
total = post_actions.count
post_actions.each do |post_action|
begin
post_action.remove_act!(Discourse.system_user)
print_status(likes_deleted += 1, total)
rescue
# skip
end
end
UserStat.update_all(likes_given: 0, likes_received: 0) # clear user likes stats
DirectoryItem.update_all(likes_given: 0, likes_received: 0) # clear user directory likes stats
puts "", "#{likes_deleted} likes deleted!", ""
end
desc 'Refreshes each post that was received via email'
task 'posts:refresh_emails', [:topic_id] => [:environment] do |_, args|
posts = Post.where.not(raw_email: nil).where(via_email: true)
posts = posts.where(topic_id: args[:topic_id]) if args[:topic_id]
updated = 0
total = posts.count
posts.find_each do |post|
begin
receiver = Email::Receiver.new(post.raw_email)
body, elided = receiver.select_body
body = receiver.add_attachments(body || '', post.user)
body << Email::Receiver.elided_html(elided) if elided.present?
post.revise(Discourse.system_user, { raw: body, cook_method: Post.cook_methods[:regular] },
skip_revision: true, skip_validations: true, bypass_bump: true)
rescue
puts "Failed to refresh post (topic_id: #{post.topic_id}, post_id: #{post.id})"
end
updated += 1
print_status(updated, total)
end
puts "", "Done. #{updated} posts updated.", ""
end
desc 'Reorders all posts based on their creation_date'
task 'posts:reorder_posts', [:topic_id] => [:environment] do |_, args|
Post.transaction do
builder = DB.build <<~SQL
WITH ordered_posts AS (
SELECT
id,
ROW_NUMBER() OVER (
PARTITION BY
topic_id
ORDER BY
created_at,
post_number
) AS new_post_number
FROM
posts
/*where*/
)
UPDATE
posts AS p
SET
sort_order = o.new_post_number,
post_number = p.post_number * -1
FROM
ordered_posts AS o
WHERE
p.id = o.id AND
p.post_number <> o.new_post_number
SQL
builder.where("topic_id = ?", args[:topic_id]) if args[:topic_id]
builder.exec
[
["notifications", "post_number"],
["post_timings", "post_number"],
["posts", "reply_to_post_number"],
["topic_users", "last_read_post_number"],
["topic_users", "highest_seen_post_number"],
["topic_users", "last_emailed_post_number"],
].each do |table, column|
builder = DB.build <<~SQL
UPDATE
#{table} AS x
SET
#{column} = p.sort_order * -1
FROM
posts AS p
/*where*/
SQL
builder.where("p.topic_id = ?", args[:topic_id]) if args[:topic_id]
builder.where("p.post_number < 0")
builder.where("x.topic_id = p.topic_id")
builder.where("x.#{column} = ABS(p.post_number)")
builder.exec
DB.exec <<~SQL
UPDATE
#{table}
SET
#{column} = #{column} * -1
WHERE
#{column} < 0
SQL
end
builder = DB.build <<~SQL
UPDATE
posts
SET
post_number = sort_order
/*where*/
SQL
builder.where("topic_id = ?", args[:topic_id]) if args[:topic_id]
builder.where("post_number < 0")
builder.exec
end
puts "", "Done.", ""
end
def missing_uploads
puts "Looking for missing uploads on: #{RailsMultisite::ConnectionManagement.current_db}"
old_scheme_upload_count = 0
count_missing = 0
missing = Post.find_missing_uploads(include_local_upload: true) do |post, src, path, sha1|
next if sha1.present?
puts "Fixing missing uploads: " if count_missing == 0
count_missing += 1
upload_id = nil
# recovering old scheme upload.
local_store = FileStore::LocalStore.new
public_path = "#{local_store.public_dir}#{path}"
file_path = nil
if File.file?(public_path)
file_path = public_path
else
tombstone_path = public_path.sub("/uploads/", "/uploads/tombstone/")
file_path = tombstone_path if File.file?(tombstone_path)
end
if file_path.present?
if (upload = UploadCreator.new(File.open(file_path), File.basename(path)).create_for(Discourse.system_user.id)).persisted?
upload_id = upload.id
post.reload
new_raw = post.raw.dup
new_raw = new_raw.gsub(path, upload.url)
PostRevisor.new(post, Topic.with_deleted.find_by(id: post.topic_id)).revise!(
Discourse.system_user,
{
raw: new_raw
},
skip_validations: true,
force_new_version: true,
bypass_bump: true
)
print "🆗"
else
print ""
end
else
print "🚫"
old_scheme_upload_count += 1
end
upload_id
end
puts "", "#{missing[:count]} post uploads are missing.", ""
if missing[:count] > 0
puts "#{missing[:uploads].count} uploads are missing."
puts "#{old_scheme_upload_count} of #{missing[:uploads].count} are old scheme uploads." if old_scheme_upload_count > 0
puts "#{missing[:post_uploads].count} of #{Post.count} posts are affected.", ""
if ENV['GIVE_UP'] == "1"
missing[:post_uploads].each do |id, uploads|
post = Post.with_deleted.find_by(id: id)
if post
puts "#{post.full_url} giving up on #{uploads.length} upload(s)"
PostCustomField.create!(post_id: post.id, name: Post::MISSING_UPLOADS_IGNORED, value: "t")
else
puts "could not find post #{id}"
end
end
end
if ENV['VERBOSE'] == "1"
puts "missing uploads!"
missing[:uploads].each do |path|
puts "#{path}"
end
if missing[:post_uploads].count > 0
puts
puts "Posts with missing uploads"
missing[:post_uploads].each do |id, uploads|
post = Post.with_deleted.find_by(id: id)
if post
puts "#{post.full_url} missing #{uploads.join(", ")}"
else
puts "could not find post #{id}"
end
end
end
end
end
missing[:count] == 0
end
desc 'Finds missing post upload records from cooked HTML content'
task 'posts:missing_uploads' => :environment do |_, args|
if ENV["RAILS_DB"]
missing_uploads
else
RailsMultisite::ConnectionManagement.each_connection do
missing_uploads
end
end
end
def recover_uploads_from_index(path)
lookup = []
db = RailsMultisite::ConnectionManagement.current_db
cdn_path = SiteSetting.cdn_path("/uploads/#{db}").sub(/https?:/, "")
Post.where("cooked LIKE '%#{cdn_path}%'").each do |post|
regex = Regexp.new("((https?:)?#{Regexp.escape(cdn_path)}[^,;\\]\\>\\t\\n\\s)\"\']+)")
uploads = []
post.raw.scan(regex).each do |match|
uploads << match[0]
end
if uploads.length > 0
lookup << [post.id, uploads]
else
print "."
post.rebake!
end
end
PostCustomField.where(name: Post::MISSING_UPLOADS).pluck(:post_id, :value).each do |post_id, uploads|
uploads = JSON.parse(uploads)
raw = Post.where(id: post_id).pluck_first(:raw)
uploads.map! do |upload|
orig = upload
if raw.scan(upload).length == 0
upload = upload.sub(SiteSetting.Upload.s3_cdn_url, SiteSetting.Upload.s3_base_url)
end
if raw.scan(upload).length == 0
upload = upload.sub(SiteSetting.Upload.s3_base_url, Discourse.base_url)
end
if raw.scan(upload).length == 0
upload = upload.sub(Discourse.base_url + "/", "/")
end
if raw.scan(upload).length == 0
# last resort, try for sha
sha = upload.split("/")[-1]
sha = sha.split(".")[0]
if sha.length == 40 && raw.scan(sha).length == 1
raw.match(Regexp.new("([^\"'<\\s\\n]+#{sha}[^\"'>\\s\\n]+)"))
upload = $1
end
end
if raw.scan(upload).length == 0
puts "can not find #{orig} in\n\n#{raw}"
upload = nil
end
upload
end
uploads.compact!
if uploads.length > 0
lookup << [post_id, uploads]
end
end
lookup.each do |post_id, uploads|
post = Post.find(post_id)
changed = false
uploads.each do |url|
if (n = post.raw.scan(url).length) != 1
puts "Skipping #{url} in #{post.full_url} cause it appears #{n} times"
next
end
name = File.basename(url).split("_")[0].split(".")[0]
puts "Searching for #{url} (#{name}) in index"
if name.length != 40
puts "Skipping #{url} in #{post.full_url} cause it appears to have a short file name"
next
end
found = `cat #{path} | grep #{name} | grep original`.split("\n")[0] rescue nil
if found.blank?
puts "Skipping #{url} in #{post.full_url} cause it missing from index"
next
end
found = File.expand_path(File.join(File.dirname(path), found))
if !File.exist?(found)
puts "Skipping #{url} in #{post.full_url} cause it missing from disk"
next
end
File.open(found) do |f|
begin
upload = UploadCreator.new(f, "upload").create_for(post.user_id)
if upload && upload.url
post.raw = post.raw.sub(url, upload.url)
changed = true
else
puts "Skipping #{url} in #{post.full_url} unable to create upload (unknown error)"
next
end
rescue Discourse::InvalidAccess
puts "Skipping #{url} in #{post.full_url} unable to create upload (bad format)"
next
end
end
end
if changed
puts "Recovered uploads on #{post.full_url}"
post.save!(validate: false)
post.rebake!
end
end
end
desc 'Attempts to recover missing uploads from an index file'
task 'posts:recover_uploads_from_index' => :environment do |_, args|
path = File.expand_path(Rails.root + "public/uploads/all_the_files")
if File.exist?(path)
puts "Found existing index file at #{path}"
else
puts "Can not find index #{path} generating index this could take a while..."
`cd #{File.dirname(path)} && find -type f > #{path}`
end
if RailsMultisite::ConnectionManagement.current_db != "default"
recover_uploads_from_index(path)
else
RailsMultisite::ConnectionManagement.each_connection do
recover_uploads_from_index(path)
end
end
end
desc 'invalidate broken images'
task 'posts:invalidate_broken_images' => :environment do
puts "Invalidating broken images.."
posts = Post.where("raw like '%<img%'")
rebaked = 0
total = posts.count
posts.find_each do |p|
rebake_post(p, invalidate_broken_images: true)
print_status(rebaked += 1, total)
end
puts
puts "", "#{rebaked} posts rebaked!"
end
desc "Coverts full upload URLs in `Post#raw` to short upload url"
task 'posts:inline_uploads' => :environment do |_, args|
if ENV['RAILS_DB']
correct_inline_uploads
else
RailsMultisite::ConnectionManagement.each_connection do |db|
puts "Correcting #{db}..."
puts
correct_inline_uploads
end
end
end
def correct_inline_uploads
dry_run = (ENV["DRY_RUN"].nil? ? true : ENV["DRY_RUN"] != "false")
verbose = ENV["VERBOSE"]
scope = Post.joins(:post_uploads).distinct("posts.id")
.where(<<~SQL)
raw LIKE '%/uploads/#{RailsMultisite::ConnectionManagement.current_db}/original/%'
SQL
affected_posts_count = scope.count
fixed_count = 0
not_corrected_post_ids = []
failed_to_correct_post_ids = []
scope.find_each do |post|
if post.raw !~ Upload::URL_REGEX
affected_posts_count -= 1
next
end
begin
new_raw = InlineUploads.process(post.raw)
if post.raw != new_raw
if !dry_run
PostRevisor.new(post, Topic.with_deleted.find_by(id: post.topic_id))
.revise!(
Discourse.system_user,
{
raw: new_raw
},
skip_validations: true,
force_new_version: true,
bypass_bump: true
)
end
if verbose
require 'diffy'
Diffy::Diff.default_format = :color
puts "Cooked diff for Post #{post.id}"
puts Diffy::Diff.new(PrettyText.cook(post.raw), PrettyText.cook(new_raw), context: 1)
puts
elsif dry_run
putc "#"
else
putc "."
end
fixed_count += 1
else
putc "X"
not_corrected_post_ids << post.id
end
rescue
putc "!"
failed_to_correct_post_ids << post.id
end
end
puts
puts "#{fixed_count} out of #{affected_posts_count} affected posts corrected"
if not_corrected_post_ids.present?
puts "Ids of posts that were not corrected: #{not_corrected_post_ids}"
end
if failed_to_correct_post_ids.present?
puts "Ids of posts that encountered failures: #{failed_to_correct_post_ids}"
end
if dry_run
puts "Task was ran in dry run mode. Set `DRY_RUN=false` to revise affected posts"
end
end