discourse/script/import_scripts/phpbb3.rb

392 lines
13 KiB
Ruby

require File.expand_path(File.dirname(__FILE__) + "/../../config/environment")
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
require "mysql2"
class ImportScripts::PhpBB3 < ImportScripts::Base
include ActionView::Helpers::NumberHelper
PHPBB_DB = "phpbb"
BATCH_SIZE = 1000
ORIGINAL_SITE_PREFIX = "oldsite.example.com/forums" # without http(s)://
NEW_SITE_PREFIX = "http://discourse.example.com" # with http:// or https://
# Set ATTACHMENTS_BASE_DIR to the base directory where attachment files are found.
# If nil, [attachment] tags won't be processed.
# Edit AUTHORIZED_EXTENSIONS as needed.
ATTACHMENTS_BASE_DIR = nil
AUTHORIZED_EXTENSIONS = ['jpg', 'jpeg', 'png', 'gif', 'zip', 'rar']
def initialize
super
@client = Mysql2::Client.new(
host: "localhost",
username: "root",
#password: "password",
database: PHPBB_DB
)
end
def execute
import_users
import_categories
import_posts
import_private_messages
import_attachments unless ATTACHMENTS_BASE_DIR.nil?
suspend_users
end
def import_users
puts '', "creating users"
total_count = mysql_query("SELECT count(*) count
FROM phpbb_users u
JOIN phpbb_groups g ON g.group_id = u.group_id
WHERE g.group_name != 'BOTS'
AND u.user_type != 1;").first['count']
batches(BATCH_SIZE) do |offset|
results = mysql_query(
"SELECT user_id id, user_email email, username, user_regdate, group_name
FROM phpbb_users u
JOIN phpbb_groups g ON g.group_id = u.group_id
WHERE g.group_name != 'BOTS'
AND u.user_type != 1
ORDER BY u.user_id ASC
LIMIT #{BATCH_SIZE}
OFFSET #{offset};")
break if results.size < 1
create_users(results, total: total_count, offset: offset) do |user|
{ id: user['id'],
email: user['email'],
username: user['username'],
created_at: Time.zone.at(user['user_regdate']),
moderator: user['group_name'] == 'GLOBAL_MODERATORS',
admin: user['group_name'] == 'ADMINISTRATORS' }
end
end
end
def import_categories
results = mysql_query("
SELECT forum_id id, parent_id, left(forum_name, 50) name, forum_desc description
FROM phpbb_forums
ORDER BY parent_id ASC, forum_id ASC
")
create_categories(results) do |row|
h = {id: row['id'], name: CGI.unescapeHTML(row['name']), description: CGI.unescapeHTML(row['description'])}
if row['parent_id'].to_i > 0
parent = category_from_imported_category_id(row['parent_id'])
h[:parent_category_id] = parent.id if parent
end
h
end
end
def import_posts
puts "", "creating topics and posts"
total_count = mysql_query("SELECT count(*) count from phpbb_posts").first["count"]
batches(BATCH_SIZE) do |offset|
results = mysql_query("
SELECT p.post_id id,
p.topic_id topic_id,
t.forum_id category_id,
t.topic_title title,
t.topic_first_post_id first_post_id,
p.poster_id user_id,
p.post_text raw,
p.post_time post_time
FROM phpbb_posts p,
phpbb_topics t
WHERE p.topic_id = t.topic_id
ORDER BY id
LIMIT #{BATCH_SIZE}
OFFSET #{offset};
")
break if results.size < 1
create_posts(results, total: total_count, offset: offset) do |m|
skip = false
mapped = {}
mapped[:id] = m['id']
mapped[:user_id] = user_id_from_imported_user_id(m['user_id']) || -1
mapped[:raw] = process_phpbb_post(m['raw'], m['id'])
mapped[:created_at] = Time.zone.at(m['post_time'])
if m['id'] == m['first_post_id']
mapped[:category] = category_from_imported_category_id(m['category_id']).try(:name)
mapped[:title] = CGI.unescapeHTML(m['title'])
else
parent = topic_lookup_from_imported_post_id(m['first_post_id'])
if parent
mapped[:topic_id] = parent[:topic_id]
else
puts "Parent post #{m['first_post_id']} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}"
skip = true
end
end
skip ? nil : mapped
end
end
end
def import_private_messages
puts "", "creating private messages"
total_count = mysql_query("SELECT count(*) count from phpbb_privmsgs").first["count"]
batches(BATCH_SIZE) do |offset|
results = mysql_query("
SELECT msg_id id,
root_level,
author_id user_id,
message_time,
message_subject,
message_text
FROM phpbb_privmsgs
ORDER BY root_level ASC, msg_id ASC
LIMIT #{BATCH_SIZE}
OFFSET #{offset};
")
break if results.size < 1
create_posts(results, total: total_count, offset: offset) do |m|
skip = false
mapped = {}
mapped[:id] = "pm:#{m['id']}"
mapped[:user_id] = user_id_from_imported_user_id(m['user_id']) || -1
mapped[:raw] = process_phpbb_post(m['message_text'], m['id'])
mapped[:created_at] = Time.zone.at(m['message_time'])
if m['root_level'] == 0
mapped[:title] = CGI.unescapeHTML(m['message_subject'])
mapped[:archetype] = Archetype.private_message
# Find the users who are part of this private message.
# Found from the to_address of phpbb_privmsgs, by looking at
# all the rows with the same root_level.
# to_address looks like this: "u_91:u_1234:u_200"
# The "u_" prefix is discarded and the rest is a user_id.
import_user_ids = mysql_query("
SELECT to_address
FROM phpbb_privmsgs
WHERE msg_id = #{m['id']}
OR root_level = #{m['id']}").map { |r| r['to_address'].split(':') }.flatten!.map! { |u| u[2..-1] }
mapped[:target_usernames] = import_user_ids.map! do |import_user_id|
import_user_id.to_s == m['user_id'].to_s ? nil : User.find_by_id(user_id_from_imported_user_id(import_user_id)).try(:username)
end.compact.uniq
skip = true if mapped[:target_usernames].empty? # pm with yourself?
else
parent = topic_lookup_from_imported_post_id("pm:#{m['root_level']}")
if parent
mapped[:topic_id] = parent[:topic_id]
else
puts "Parent post pm:#{m['root_level']} doesn't exist. Skipping #{m["id"]}: #{m["message_subject"][0..40]}"
skip = true
end
end
skip ? nil : mapped
end
end
end
def suspend_users
puts '', "updating banned users"
where = "ban_userid > 0 AND (ban_end = 0 OR ban_end > #{Time.zone.now.to_i})"
banned = 0
failed = 0
total = mysql_query("SELECT count(*) count FROM phpbb_banlist WHERE #{where}").first['count']
system_user = Discourse.system_user
mysql_query("SELECT ban_userid, ban_start, ban_end, ban_give_reason FROM phpbb_banlist WHERE #{where}").each do |b|
user = find_user_by_import_id(b['ban_userid'])
if user
user.suspended_at = Time.zone.at(b['ban_start'])
user.suspended_till = b['ban_end'] > 0 ? Time.zone.at(b['ban_end']) : 200.years.from_now
if user.save
StaffActionLogger.new(system_user).log_user_suspend(user, b['ban_give_reason'])
banned += 1
else
puts "Failed to suspend user #{user.username}. #{user.errors.try(:full_messages).try(:inspect)}"
failed += 1
end
else
puts "Not found: #{b['ban_userid']}"
failed += 1
end
print_status banned + failed, total
end
end
def process_phpbb_post(raw, import_id)
s = raw.dup
# :) is encoded as <!-- s:) --><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
s.gsub!(/<!-- s(\S+) -->(?:.*)<!-- s(?:\S+) -->/, '\1')
# Internal forum links of this form: <!-- l --><a class="postlink-local" href="https://example.com/forums/viewtopic.php?f=26&amp;t=3412">viewtopic.php?f=26&amp;t=3412</a><!-- l -->
s.gsub!(/<!-- l --><a(?:.+)href="(?:\S+)"(?:.*)>viewtopic(?:.*)t=(\d+)<\/a><!-- l -->/) do |phpbb_link|
replace_internal_link(phpbb_link, $1, import_id)
end
# Some links look like this: <!-- m --><a class="postlink" href="http://www.onegameamonth.com">http://www.onegameamonth.com</a><!-- m -->
s.gsub!(/<!-- \w --><a(?:.+)href="(\S+)"(?:.*)>(.+)<\/a><!-- \w -->/, '[\2](\1)')
# Many phpbb bbcode tags have a hash attached to them. Examples:
# [url=https&#58;//google&#46;com:1qh1i7ky]click here[/url:1qh1i7ky]
# [quote=&quot;cybereality&quot;:b0wtlzex]Some text.[/quote:b0wtlzex]
s.gsub!(/:(?:\w{8})\]/, ']')
s = CGI.unescapeHTML(s)
# phpBB shortens link text like this, which breaks our markdown processing:
# [http://answers.yahoo.com/question/index ... 223AAkkPli](http://answers.yahoo.com/question/index?qid=20070920134223AAkkPli)
#
# Work around it for now:
s.gsub!(/\[http(s)?:\/\/(www\.)?/, '[')
# Replace internal forum links that aren't in the <!-- l --> format
s.gsub!(internal_url_regexp) do |phpbb_link|
replace_internal_link(phpbb_link, $1, import_id)
end
s
end
def replace_internal_link(phpbb_link, import_topic_id, from_import_post_id)
results = mysql_query("select topic_first_post_id from phpbb_topics where topic_id = #{import_topic_id}")
return phpbb_link unless results.size > 0
linked_topic_id = results.first['topic_first_post_id']
lookup = topic_lookup_from_imported_post_id(linked_topic_id)
return phpbb_link unless lookup
t = Topic.find_by_id(lookup[:topic_id])
if t
"#{NEW_SITE_PREFIX}/t/#{t.slug}/#{t.id}"
else
phpbb_link
end
end
def internal_url_regexp
@internal_url_regexp ||= Regexp.new("http(?:s)?://#{ORIGINAL_SITE_PREFIX.gsub('.', '\.')}/viewtopic\\.php?(?:\\S*)t=(\\d+)")
end
# This step is done separately because it can take multiple attempts to get right (because of
# missing files, wrong paths, authorized extensions, etc.).
def import_attachments
setting = AUTHORIZED_EXTENSIONS.join('|')
SiteSetting.authorized_extensions = setting if setting != SiteSetting.authorized_extensions
r = /\[attachment=[\d]+\]<\!-- [\w]+ --\>([\S]+)<\!-- [\w]+ --\>\[\/attachment\]/
user = Discourse.system_user
current_count = 0
total_count = Post.count
success_count = 0
fail_count = 0
puts '', "Importing attachments...", ''
Post.find_each do |post|
current_count += 1
print_status current_count, total_count
new_raw = post.raw.dup
new_raw.gsub!(r) do |s|
matches = r.match(s)
real_filename = matches[1]
sql = "SELECT physical_filename,
mimetype
FROM phpbb_attachments
WHERE post_msg_id = #{post.custom_fields['import_id']}
AND real_filename = '#{real_filename}';"
begin
results = mysql_query(sql)
rescue Mysql2::Error => e
puts "SQL Error"
puts e.message
puts sql
fail_count += 1
next s
end
row = results.first
if !row
puts "Couldn't find phpbb_attachments record for post.id = #{post.id}, import_id = #{post.custom_fields['import_id']}, real_filename = #{real_filename}"
fail_count += 1
next s
end
filename = File.join(ATTACHMENTS_BASE_DIR, row['physical_filename'])
if !File.exists?(filename)
puts "Attachment file doesn't exist: #{filename}"
fail_count += 1
next s
end
upload = create_upload(user.id, filename, real_filename)
if upload.nil? || !upload.valid?
puts "Upload not valid :("
puts upload.errors.inspect if upload
fail_count += 1
next s
end
success_count += 1
if FileHelper.is_image?(upload.url)
%Q[<img src="#{upload.url}" width="#{[upload.width, 640].compact.min}" height="#{[upload.height,480].compact.min}"><br/>]
else
"<a class='attachment' href='#{upload.url}'>#{real_filename}</a> (#{number_to_human_size(upload.filesize)})"
end
end
if new_raw != post.raw
PostRevisor.new(post).revise!(post.user, new_raw, {bypass_bump: true, edit_reason: 'Migrate from PHPBB3'})
end
end
puts '', ''
puts "succeeded: #{success_count}"
puts " failed: #{fail_count}" if fail_count > 0
puts ''
end
def mysql_query(sql)
@client.query(sql, cache_rows: false)
end
end
ImportScripts::PhpBB3.new.perform