discourse/script/import_scripts/smf1.rb

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# frozen_string_literal: true
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require "mysql2"
require "htmlentities"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
class ImportScripts::Smf1 < ImportScripts::Base
BATCH_SIZE ||= 5000
UPLOADS_DIR ||= ENV["UPLOADS_DIR"].presence
FORUM_URL ||= ENV["FORUM_URL"].presence
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def initialize
fail "UPLOADS_DIR env variable is required (example: '/path/to/attachments')" unless UPLOADS_DIR
fail "FORUM_URL env variable is required (example: 'https://domain.com/forum')" unless FORUM_URL
@client =
Mysql2::Client.new(
host: ENV["DB_HOST"] || "localhost",
username: ENV["DB_USER"] || "root",
password: ENV["DB_PW"],
database: ENV["DB_NAME"],
)
check_version!
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super
@htmlentities = HTMLEntities.new
puts "Loading existing usernames..."
@old_to_new_usernames =
UserCustomField
.joins(:user)
.where(name: "import_username")
.pluck("value", "users.username")
.to_h
puts "Loading pm mapping..."
@pm_mapping = {}
Topic
.joins(:topic_allowed_users)
.where(archetype: Archetype.private_message)
.where("title NOT ILIKE 'Re: %'")
.group(:id)
.order(:id)
.pluck(
"string_agg(topic_allowed_users.user_id::text, ',' ORDER BY topic_allowed_users.user_id), title, topics.id",
)
.each do |users, title, topic_id|
@pm_mapping[users] ||= {}
@pm_mapping[users][title] ||= []
@pm_mapping[users][title] << topic_id
end
end
def execute
SiteSetting.permalink_normalizations = "/(.+)\\?.*/\\1"
import_groups
import_users
import_categories
import_posts
import_personal_posts
import_attachments
import_likes
import_feedbacks
import_banned_domains
import_banned_emails
import_banned_ips
end
def check_version!
version =
mysql_query("SELECT value FROM smf_settings WHERE variable = 'smfVersion' LIMIT 1").first[
"value"
]
fail "Incompatible version (#{version})" unless version&.start_with?("1.")
end
def import_groups
puts "", "Importing groups..."
# skip administrators/moderators
groups = mysql_query("SELECT id_group, groupName FROM smf_membergroups WHERE id_group > 3").to_a
create_groups(groups) do |g|
next if g["groupName"].blank?
{ id: g["id_group"], full_name: g["groupName"] }
end
end
def import_users
puts "", "Importing users..."
last_user_id = -1
total = mysql_query("SELECT COUNT(*) count FROM smf_members").first["count"]
batches(BATCH_SIZE) do |offset|
users = mysql_query(<<~SQL).to_a
SELECT m.id_member
, memberName
, dateRegistered
, id_group
, lastLogin
, realName
, emailAddress
, personalText
, CASE WHEN birthdate > '1900-01-01' THEN birthdate ELSE NULL END birthdate
, websiteUrl
, location
, usertitle
, memberIP
, memberIP2
, is_activated
, additionalGroups
, avatar
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, id_attach
, attachmentType
, filename
FROM smf_members m
LEFT JOIN smf_attachments a ON a.id_member = m.id_member
WHERE m.id_member > #{last_user_id}
ORDER BY m.id_member
LIMIT #{BATCH_SIZE}
SQL
break if users.empty?
last_user_id = users[-1]["id_member"]
user_ids = users.map { |u| u["id_member"] }
next if all_records_exist?(:users, user_ids)
create_users(users, total: total, offset: offset) do |u|
created_at = Time.zone.at(u["dateRegistered"])
group_ids = [u["id_group"], *u["additionalGroups"].split(",").map(&:to_i)].uniq
{
id: u["id_member"],
username: u["memberName"],
created_at: created_at,
first_seen_at: created_at,
primary_group_id: group_id_from_imported_group_id(u["id_group"]),
admin: group_ids.include?(1),
moderator: group_ids.include?(2) || group_ids.include?(3),
last_seen_at: Time.zone.at(u["lastLogin"]),
name: u["realName"].presence,
email: u["emailAddress"],
bio_raw: pre_process_raw(u["personalText"].presence),
date_of_birth: u["birthdate"],
website: u["website"].presence,
location: u["location"].presence,
title: u["usertitle"].presence,
registration_ip_address: u["memberIP"],
ip_address: u["memberIP2"],
active: u["is_activated"] == 1,
approved: u["is_activated"] == 1,
post_create_action:
proc do |user|
# usernames
@old_to_new_usernames[u["memberName"]] = user.username
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# groups
GroupUser.transaction do
group_ids.each do |gid|
(group_id = group_id_from_imported_group_id(gid)) &&
GroupUser.find_or_create_by(user: user, group_id: group_id)
end
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end
# avatar
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avatar_url = nil
if u["avatar"].present?
if u["avatar"].start_with?("http")
avatar_url = u["avatar"]
elsif u["avatar"].start_with?("avatar_")
avatar_url = "#{FORUM_URL}/avatar-members/#{u["avatar"]}"
end
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end
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avatar_url ||=
if u["attachmentType"] == 0 && u["id_attach"].present?
"#{FORUM_URL}/index.php?action=dlattach;attach=#{u["id_attach"]};type=avatar"
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elsif u["attachmentType"] == 1 && u["filename"].present?
"#{FORUM_URL}/avatar-members/#{u["filename"]}"
end
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if avatar_url.present?
begin
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UserAvatar.import_url_for_user(avatar_url, user)
rescue StandardError
nil
end
end
end,
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}
end
end
end
def import_categories
puts "", "Importing categories..."
categories = mysql_query(<<~SQL).to_a
SELECT id_board
, id_parent
, boardOrder
, name
, description
FROM smf_boards
ORDER BY id_parent, id_board
SQL
parent_categories = categories.select { |c| c["id_parent"] == 0 }
children_categories = categories.select { |c| c["id_parent"] != 0 }
create_categories(parent_categories) do |c|
{
id: c["id_board"],
name: c["name"],
description: pre_process_raw(c["description"].presence),
position: c["boardOrder"],
post_create_action:
proc do |category|
Permalink.find_or_create_by(
url: "forums/index.php/board,#{c["id_board"]}.0.html",
category_id: category.id,
)
end,
}
end
create_categories(children_categories) do |c|
{
id: c["id_board"],
parent_category_id: category_id_from_imported_category_id(c["id_parent"]),
name: c["name"],
description: pre_process_raw(c["description"].presence),
position: c["boardOrder"],
post_create_action:
proc do |category|
Permalink.find_or_create_by(
url: "forums/index.php/board,#{c["id_board"]}.0.html",
category_id: category.id,
)
end,
}
end
end
def import_posts
puts "", "Importing posts..."
last_post_id = -1
total = mysql_query("SELECT COUNT(*) count FROM smf_messages").first["count"]
batches(BATCH_SIZE) do |offset|
posts = mysql_query(<<~SQL).to_a
SELECT m.id_msg
, m.id_topic
, m.id_board
, m.posterTime
, m.id_member
, m.subject
, m.body
, t.isSticky
, t.id_first_msg
, t.numViews
FROM smf_messages m
JOIN smf_topics t ON t.id_topic = m.id_topic
WHERE m.id_msg > #{last_post_id}
ORDER BY m.id_msg
LIMIT #{BATCH_SIZE}
SQL
break if posts.empty?
last_post_id = posts[-1]["id_msg"]
post_ids = posts.map { |p| p["id_msg"] }
next if all_records_exist?(:post, post_ids)
create_posts(posts, total: total, offset: offset) do |p|
created_at = Time.at(p["posterTime"])
post = {
id: p["id_msg"],
created_at: created_at,
user_id: user_id_from_imported_user_id(p["id_member"]) || -1,
raw: pre_process_raw(p["body"]),
}
if p["id_msg"] == p["id_first_msg"]
post[:category] = category_id_from_imported_category_id(p["id_board"])
post[:title] = @htmlentities.decode(p["subject"])
post[:views] = p["numViews"]
post[:pinned_at] = created_at if p["isSticky"] == 1
post[:post_create_action] = proc do |pp|
Permalink.find_or_create_by(
url: "forums/index.php/topic,#{p["id_topic"]}.0.html",
topic_id: pp.topic_id,
)
end
elsif parent = topic_lookup_from_imported_post_id(p["id_first_msg"])
post[:topic_id] = parent[:topic_id]
post[:post_create_action] = proc do |pp|
Permalink.find_or_create_by(
url: "forums/index.php/topic,#{p["id_topic"]}.msg#{p["id_msg"]}.html",
post_id: pp.id,
)
end
else
next
end
post
end
end
end
def import_personal_posts
puts "", "Importing personal posts..."
last_post_id = -1
total =
mysql_query(
"SELECT COUNT(*) count FROM smf_personal_messages WHERE deletedBySender = 0",
).first[
"count"
]
batches(BATCH_SIZE) do |offset|
posts = mysql_query(<<~SQL).to_a
SELECT id_pm
, id_member_from
, msgtime
, subject
, body
, (SELECT GROUP_CONCAT(id_member) FROM smf_pm_recipients r WHERE r.id_pm = pm.id_pm) recipients
FROM smf_personal_messages pm
WHERE deletedBySender = 0
AND id_pm > #{last_post_id}
ORDER BY id_pm
LIMIT #{BATCH_SIZE}
SQL
break if posts.empty?
last_post_id = posts[-1]["id_pm"]
post_ids = posts.map { |p| "pm-#{p["id_pm"]}" }
next if all_records_exist?(:post, post_ids)
create_posts(posts, total: total, offset: offset) do |p|
next unless user_id = user_id_from_imported_user_id(p["id_member_from"])
next if p["recipients"].blank?
recipients =
p["recipients"].split(",").map { |id| user_id_from_imported_user_id(id) }.compact.uniq
next if recipients.empty?
id = "pm-#{p["id_pm"]}"
next if post_id_from_imported_post_id(id)
post = {
id: id,
created_at: Time.at(p["msgtime"]),
user_id: user_id,
raw: pre_process_raw(p["body"]),
}
users = (recipients + [user_id]).sort.uniq.join(",")
title = @htmlentities.decode(p["subject"])
if topic_id = find_pm_topic_id(users, title)
post[:topic_id] = topic_id
else
post[:archetype] = Archetype.private_message
post[:title] = title
post[:target_usernames] = User.where(id: recipients).pluck(:username)
post[:post_create_action] = proc do |action_post|
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@pm_mapping[users] ||= {}
@pm_mapping[users][title] ||= []
@pm_mapping[users][title] << action_post.topic_id
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end
end
post
end
end
end
def find_pm_topic_id(users, title)
return unless title.start_with?("Re: ")
return unless @pm_mapping[users]
title = title.gsub(/^(Re: )+/i, "")
return unless @pm_mapping[users][title]
@pm_mapping[users][title][-1]
end
def import_attachments
puts "", "Importing attachments..."
count = 0
last_upload_id = -1
total =
mysql_query("SELECT COUNT(*) count FROM smf_attachments WHERE id_msg IS NOT NULL").first[
"count"
]
batches(BATCH_SIZE) do |offset|
uploads = mysql_query(<<~SQL).to_a
SELECT id_attach
, id_msg
, filename
, file_hash
FROM smf_attachments
WHERE id_msg IS NOT NULL
AND id_attach > #{last_upload_id}
ORDER BY id_attach
LIMIT #{BATCH_SIZE}
SQL
break if uploads.empty?
last_upload_id = uploads[-1]["id_attach"]
uploads.each do |u|
count += 1
unless post =
PostCustomField
.joins(:post)
.find_by(name: "import_id", value: u["id_msg"].to_s)
&.post
next
end
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path = File.join(UPLOADS_DIR, "#{u["id_attach"]}_#{u["file_hash"]}")
next unless File.exist?(path) && File.size(path) > 0
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if upload = create_upload(post.user_id, path, u["filename"])
html = html_for_upload(upload, u["filename"])
unless post.raw[html] || PostUpload.where(upload: upload, post: post).exists?
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post.raw += "\n\n#{html}\n\n"
post.save
PostUpload.create(upload: upload, post: post)
end
end
print_status(count, total, get_start_time("attachments"))
end
end
end
def import_likes
return if mysql_query("SHOW TABLES LIKE 'smf_thank_you_post'").first.nil?
puts "", "Importing likes..."
count = 0
total =
mysql_query("SELECT COUNT(*) count FROM smf_thank_you_post WHERE thx_time > 0").first["count"]
like = PostActionType.types[:like]
mysql_query(
"SELECT id_msg, id_member, thx_time FROM smf_thank_you_post WHERE thx_time > 0 ORDER BY id_thx_post",
).each do |l|
print_status(count += 1, total, get_start_time("likes"))
next unless post_id = post_id_from_imported_post_id(l["id_msg"])
next unless user_id = user_id_from_imported_user_id(l["id_member"])
if PostAction.where(post_action_type_id: like, post_id: post_id, user_id: user_id).exists?
next
end
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PostAction.create(
post_action_type_id: like,
post_id: post_id,
user_id: user_id,
created_at: Time.at(l["thx_time"]),
)
end
end
FEEDBACKS ||= -"feedbacks"
def import_feedbacks
return if mysql_query("SHOW TABLES LIKE 'smf_feedback'").first.nil?
puts "", "Importing feedbacks..."
User.register_custom_field_type(FEEDBACKS, :json)
count = 0
total = mysql_query("SELECT COUNT(*) count FROM smf_feedback WHERE approved").first["count"]
mysql_query(<<~SQL).each do |f|
SELECT feedbackid
, id_member
, feedbackmember_id
, saledate
, saletype
, salevalue
, comment_short
, comment_long
FROM smf_feedback
WHERE approved
ORDER BY feedbackid
SQL
print_status(count += 1, total, get_start_time("feedbacks"))
next unless user_id_from = user_id_from_imported_user_id(f["feedbackmember_id"])
next unless user_id_to = user_id_from_imported_user_id(f["id_member"])
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next unless user = User.find_by(id: user_id_to)
feedbacks = user.custom_fields[FEEDBACKS] || []
next if feedbacks.find { |ff| ff["id"] == f["feedbackid"] }
feedbacks << {
id: f["feedbackid"],
created_at: Time.at(f["saledate"]),
from: user_id_from,
type: f["saletype"],
value: f["salevalue"],
comment_short: @htmlentities.decode(f["comment_short"]).strip.presence,
comment_long: @htmlentities.decode(f["comment_long"]).strip.presence,
}
user.custom_fields[FEEDBACKS] = feedbacks.to_json
user.save_custom_fields
end
end
def import_banned_domains
puts "", "Importing banned email domains..."
blocklist = SiteSetting.blocked_email_domains.split("|")
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banned_domains =
mysql_query(
"SELECT SUBSTRING(email_address, 3) domain FROM smf_ban_items WHERE email_address RLIKE '^%@[^%]+$' GROUP BY email_address",
).map { |r| r["domain"] }
SiteSetting.blocked_email_domains = (blocklist + banned_domains).uniq.sort.join("|")
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end
def import_banned_emails
puts "", "Importing banned emails..."
count = 0
banned_emails =
mysql_query(
"SELECT email_address FROM smf_ban_items WHERE email_address RLIKE '^[^%]+@[^%]+$' GROUP BY email_address",
).map { |r| r["email_address"] }
banned_emails.each do |email|
print_status(count += 1, banned_emails.size, get_start_time("banned_emails"))
ScreenedEmail.find_or_create_by(email: email)
end
end
def import_banned_ips
puts "", "Importing banned IPs..."
count = 0
banned_ips = mysql_query(<<~SQL).to_a
SELECT CONCAT_WS('.', ip_low1, ip_low2, ip_low3, ip_low4) low
, CONCAT_WS('.', ip_high1, ip_high2, ip_high3, ip_high4) high
, hits
FROM smf_ban_items
WHERE (ip_low1 + ip_low2 + ip_low3 + ip_low4 + ip_high1 + ip_high2 + ip_high3 + ip_high4) > 0
GROUP BY low, high, hits;
SQL
banned_ips.each do |r|
print_status(count += 1, banned_ips.size, get_start_time("banned_ips"))
if r["low"] == r["high"]
if !ScreenedIpAddress.where("? <<= ip_address", r["low"]).exists?
ScreenedIpAddress.create(ip_address: r["low"], match_count: r["hits"])
end
else
low_values = r["low"].split(".").map(&:to_i)
high_values = r["high"].split(".").map(&:to_i)
first_diff = low_values.zip(high_values).count { |a, b| a == b }
first_diff -= 1 if low_values[first_diff] == 0 && high_values[first_diff] == 255
prefix = low_values[0...first_diff]
suffix = [0] * (3 - first_diff)
mask = 8 * (first_diff + 1)
values = (low_values[first_diff]..high_values[first_diff])
hits = (r["hits"] / [1, values.count].max).floor
values.each do |v|
range_values = prefix + [v] + suffix
ip_address = "#{range_values.join(".")}/#{mask}"
if !ScreenedIpAddress.where("? <<= ip_address", ip_address).exists?
ScreenedIpAddress.create(ip_address: ip_address, match_count: hits)
end
end
end
end
ScreenedIpAddress.where(last_match_at: nil).update_all(last_match_at: Time.new(2000, 01, 01))
puts "", "Rolling up..."
ScreenedIpAddress.roll_up
end
IGNORED_BBCODE ||= %w[
black
blue
center
color
email
flash
font
glow
green
iurl
left
list
move
red
right
shadown
size
table
time
white
]
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def pre_process_raw(raw)
return "" if raw.blank?
raw = @htmlentities.decode(raw)
# [acronym]
raw.gsub!(%r{\[acronym=([^\]]+)\](.*?)\[/acronym\]}im) { %{<abbr title="#{$1}">#{$2}</abbr>} }
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# [br]
raw.gsub!(/\[br\]/i, "\n")
raw.gsub!(%r{<br\s*/?>}i, "\n")
# [hr]
raw.gsub!(/\[hr\]/i, "<hr/>")
# [sub]
raw.gsub!(%r{\[sub\](.*?)\[/sub\]}im) { "<sub>#{$1}</sub>" }
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# [sup]
raw.gsub!(%r{\[sup\](.*?)\[/sup\]}im) { "<sup>#{$1}</sup>" }
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# [html]
raw.gsub!(/\[html\]/i, "\n```html\n")
raw.gsub!(%r{\[/html\]}i, "\n```\n")
# [php]
raw.gsub!(/\[php\]/i, "\n```php\n")
raw.gsub!(%r{\[/php\]}i, "\n```\n")
# [code]
raw.gsub!(%r{\[/?code\]}i, "\n```\n")
# [pre]
raw.gsub!(%r{\[/?pre\]}i, "\n```\n")
# [tt]
raw.gsub!(%r{\[/?tt\]}i, "`")
# [ftp]
raw.gsub!(/\[ftp/i, "[url")
raw.gsub!(%r{\[/ftp\]}i, "[/url]")
# [me]
raw.gsub!(%r{\[me=([^\]]*)\](.*?)\[/me\]}im) { "_\\* #{$1} #{$2}_" }
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# [li]
raw.gsub!(%r{\[li\](.*?)\[/li\]}im) { "- #{$1}" }
# puts [img] on their own line
raw.gsub!(%r{\[img[^\]]*\](.*?)\[/img\]}im) { "\n#{$1}\n" }
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# puts [youtube] on their own line
raw.gsub!(%r{\[youtube\](.*?)\[/youtube\]}im) { "\n#{$1}\n" }
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IGNORED_BBCODE.each { |code| raw.gsub!(%r{\[#{code}[^\]]*\](.*?)\[/#{code}\]}im, '\1') }
# ensure [/quote] are on their own line
raw.gsub!(%r{\s*\[/quote\]\s*}im, "\n[/quote]\n")
# [quote]
raw.gsub!(/\s*\[quote (.+?)\]\s/im) do
params = $1
post_id = params[/msg(\d+)/, 1]
username = params[/author=(.+) link=/, 1]
username = @old_to_new_usernames[username] if @old_to_new_usernames.has_key?(username)
if t = topic_lookup_from_imported_post_id(post_id)
%{\n[quote="#{username},post:#{t[:post_number]},topic:#{t[:topic_id]}"]\n}
else
%{\n[quote="#{username}"]\n}
end
end
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# remove tapatalk mess
raw.gsub!(%r{Sent from .+? using \[url=.*?\].+?\[/url\]}i, "")
raw.gsub!(/Sent from .+? using .+?\z/i, "")
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# clean URLs
raw.gsub!(%r{\[url=(.+?)\]\1\[/url\]}i, '\1')
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raw
end
def mysql_query(sql)
@client.query(sql)
end
end
ImportScripts::Smf1.new.perform