Class: Script

Inherits:
Object
  • Object
show all
Includes:
Neo4jBolt
Defined in:
src/ruby/print-sus.rb,
src/ruby/mail-forwarder.rb,
src/ruby/mig-2021-09-05.rb,
src/ruby/create-nc-users.rb,
src/ruby/dump-lesson-info.rb,
src/ruby/share-nc-folders.rb,
src/ruby/create-nc-folders.rb,
src/ruby/archive-nc-folders.rb,
src/ruby/print-email-letters.rb,
src/ruby/mark-lehrbuchverein-paid.rb,
src/ruby/unshare-shares-to-klassen.rb,
src/ruby/write-matrix-corporal-policy.rb,
src/ruby/collect-nextcloud-files-from-sus.rb

Constant Summary collapse

CHARS = 
'BCDFGHJKMNPQRSTVWXYZ23456789'.split('')
SPECIAL = 
'-'.split('')

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Script

Returns a new instance of Script.



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# File 'src/ruby/mail-forwarder.rb', line 24

def initialize
#         @shutdown = false
#         Signal.trap("TERM") do 
#             STDERR.puts "Caught SIGTERM"
#             @shutdown = true
#         end
    @@schueler_for_klasse = Main.class_variable_get(:@@schueler_for_klasse)
    @@klassen_order = Main.class_variable_get(:@@klassen_order)
    @@teachers_for_klasse = Main.class_variable_get(:@@teachers_for_klasse)
    @@shorthands = Main.class_variable_get(:@@shorthands)
    @@user_info = Main.class_variable_get(:@@user_info)
    @@mailing_lists = nil
    @@mailing_list_mtime = 0
    begin
        imap = Net::IMAP.new(SCHUL_MAIL_LOGIN_IMAP_HOST)
    rescue
        STDERR.puts "Unable to resolve #{SCHUL_MAIL_LOGIN_IMAP_HOST}, exiting..."
        exit(1)
    end
    STDERR.puts "Mail forwarder ready with #{fresh_mailing_list().size} mailing lists at #{MAILING_LIST_EMAIL}!"
end

Instance Method Details

#allowed_senders ⇒ Object 



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# File 'src/ruby/mail-forwarder.rb', line 62

def allowed_senders()
    results = Set.new()
    results |= Set.new(@@user_info.keys.select { |email| @@user_info[email][:teacher] })
    results |= Set.new(SV_USERS)
    temp = $neo4j.neo4j_query(<<~END_OF_QUERY).map { |x| { :email => x['u.email'] } }
        MATCH (u:User {ev: true})
        RETURN u.email;
    END_OF_QUERY
    temp.each do |row|
        results << 'eltern.' + row[:email]
    end
    path = '/app/mail-forwarder-emails.txt'
    if File.exist?(path)
        File.open(path) do |f|
            f.each do |line|
                line.strip!
                next if line[0] == '#'
                results << line
            end
        end
    end
    @@klassen_order.each do |klasse|
        results << "ev.#{klasse}@mail.gymnasiumsteglitz.de"
    end
    results.map { |x| x.downcase }
end

#emit(s) ⇒ Object 



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# File 'src/ruby/create-nc-folders.rb', line 7

def emit(s)
    puts "__RUN__ #{s}"
end

#exit_if_not_exists(path) ⇒ Object 



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# File 'src/ruby/create-nc-folders.rb', line 11

def exit_if_not_exists(path)
    emit "if [ ! -d \"#{path}\" ]"
    emit "then"
    emit "    echo \"Path does not exist: #{path}\""
    emit "    exit 1"
    emit "fi"
end

#fresh_mailing_list ⇒ Object 



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# File 'src/ruby/mail-forwarder.rb', line 46

def fresh_mailing_list()
    refresh = false
    path = '/internal/mailing_lists.yaml'
    if @@mailing_lists.nil?
        refresh = true
    elsif File.mtime(path) > @@mailing_list_mtime
        refresh = true
    end
    if refresh
        STDERR.puts "Re-reading mailing lists from disk..."
        @@mailing_list = YAML.load(File.read(path), aliases: true)
        @@mailing_list_mtime = File.mtime(path)
    end
    @@mailing_list
end

#gen_password_for_email(email) ⇒ Object 



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# File 'src/ruby/print-email-letters.rb', line 11

def gen_password_for_email(email)
    sha2 = Digest::SHA256.new()
    sha2 << EMAIL_PASSWORD_SALT
    sha2 << email
    srand(sha2.hexdigest.to_i(16))
    password = ''
    while true do
        if password =~ /[a-z]/ &&
        password =~ /[A-Z]/ &&
        password =~ /[0-9]/ &&
        password.include?('-')
            break
        end
        password = ''
        8.times do 
            c = CHARS.sample.dup
            c.downcase! if [0, 1].sample == 1
            password += c
        end
        password += '-'
        4.times do 
            c = CHARS.sample.dup
            c.downcase! if [0, 1].sample == 1
            password += c
        end
    end
    password
end

#generate_matrix_corporal_policy ⇒ Object 



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# File 'src/ruby/write-matrix-corporal-policy.rb', line 19

def generate_matrix_corporal_policy
    result = {
        :schemaVersion => 1,
        :flags => {
            :allowCustomUserDisplayNames => false,
            :allowCustomUserAvatars => false,
            :allowCustomPassthroughUserPasswords => false,
            :allowUnauthenticatedPasswordResets => false,
            :forbidRoomCreation => false,
            :forbidEncryptedRoomCreation => false,
            :forbidUnencryptedRoomCreation => false
        },
        :managedCommunityIds => [],
        :managedRoomIds => [],
        :users => [],
        :hooks => [],
    }
    matrix_handle_to_email = {}
    stored_etags = {}
    temp = neo4j_query(<<~END_OF_QUERY)
        MATCH (u:User)
        RETURN u.email AS email, u.avatar_etag AS etag, u.avatar_etag_path AS etag_path;
    END_OF_QUERY
    temp.each do |row|
        stored_etags[row['email']] = {:etag => row['etag'], :path => row['etag_path']}
    end

    host = NEXTCLOUD_URL_FROM_RUBY_CONTAINER
    begin
        http = HTTP.persistent host
        @@user_info.each_pair do |email, info|
            handle = info[:matrix_login]
            matrix_handle_to_email[handle] = email
            stored_etag = stored_etags[email][:etag]
            stored_path = stored_etags[email][:path]
            
            user_entry = {
                :id => handle,
                :active => true,
                :authType => 'rest',
                :authCredential => "#{WEB_ROOT}/api/confirm_chat_login",
                :displayName => info[:teacher] ? info[:display_last_name] : info[:display_name],
                :joinedCommunityIds => [],
                :joinedRoomIds => [],
            }
            
            avatar_uri_nc = "#{NEXTCLOUD_URL_FROM_RUBY_CONTAINER}/index.php/avatar/#{info[:nc_login]}/512"
            STDERR.write '.'
            headers = {}
            if stored_etag && (stored_path.nil? || File.exist?(stored_path))
                headers['If-None-Match'] = stored_etag.split('.').first 
            end
            response = http.headers(headers).get("/index.php/avatar/#{info[:nc_login]}/512")
            etag = response.headers['ETag']
            raw_etag = etag.gsub('"', '')
            content_type = response.headers['Content-Type']
            ext = (content_type == 'image/png') ? 'png' : 'jpg'
            avatar_cache_path = "/gen/a/#{raw_etag[0, 2]}/#{raw_etag[2, raw_etag.size]}.#{ext}"
            if response.status.success?
                STDERR.puts "Re-caching #{avatar_uri_nc} to #{avatar_cache_path}"
                unless File::exist?(avatar_cache_path)
                    FileUtils::mkpath(File::dirname(avatar_cache_path))
                    File.open(avatar_cache_path, 'w') do |f|
                        f.write response.body
                    end
                end
                stored_etags[email] = {:etag => etag,
                                       :path => avatar_cache_path}
                temp = neo4j_query(<<~END_OF_QUERY, :email => email, :etag => etag, :path => avatar_cache_path)
                    MATCH (u:User {email: $email})
                    SET u.avatar_etag = $etag
                    SET u.avatar_etag_path = $path;
                END_OF_QUERY
                user_entry[:avatarUri] = "#{WEB_ROOT}#{avatar_cache_path}"
            else
                user_entry[:avatarUri] = WEB_ROOT + Dir["/gen/a/#{raw_etag[0, 2]}/#{raw_etag[2, raw_etag.size]}.*"].first
            end
            
            result[:users] << user_entry
        end
    ensure
        http.close if http
    end
        
    result[:hooks] << {
        :id => 'dashboard-hook-before-create-room',
        :eventType => 'beforeAuthenticatedRequest',
        :matchRules => [
            {:type => 'method', :regex => 'POST'},
            {:type => 'route', :regex => '^/_matrix/client/r0/createRoom'}
        ],
        :action => 'consult.RESTServiceURL',
        :RESTServiceURL => "#{WEB_ROOT}/api/matrix_hook",
        :RESTServiceRequestHeaders => {
            "Authorization" => "Bearer #{MATRIX_CORPORAL_CALLBACK_BEARER_TOKEN}",
        },
        :RESTServiceRequestTimeoutMilliseconds => 10000,
        :RESTServiceRetryAttempts => 1,
        :RESTServiceRetryWaitTimeMilliseconds => 5000
    }
    result[:hooks] << {
        :id => 'dashboard-hook-before-leave-room',
        :eventType => 'beforeAuthenticatedRequest',
        :matchRules => [
            {:type => 'method', :regex => 'POST'},
            {:type => 'route', :regex => '^/_matrix/client/r0/rooms/([^/]+)/leave'}
        ],
        :action => 'consult.RESTServiceURL',
        :RESTServiceURL => "#{WEB_ROOT}/api/matrix_hook",
        :RESTServiceRequestHeaders => {
            "Authorization" => "Bearer #{MATRIX_CORPORAL_CALLBACK_BEARER_TOKEN}",
        },
        :RESTServiceRequestTimeoutMilliseconds => 10000,
        :RESTServiceRetryAttempts => 1,
        :RESTServiceRetryWaitTimeMilliseconds => 5000
    }
    result[:hooks] << {
        :id => 'dashboard-hook-before-enable-encryption',
        :eventType => 'beforeAuthenticatedRequest',
        :matchRules => [
            {:type => 'method', :regex => 'PUT'},
            {:type => 'route', :regex => '^/_matrix/client/r0/rooms/([^/]+)/state/m.room.encryption/'}
        ],
        :action => 'consult.RESTServiceURL',
        :RESTServiceURL => "#{WEB_ROOT}/api/matrix_hook",
        :RESTServiceRequestHeaders => {
            "Authorization" => "Bearer #{MATRIX_CORPORAL_CALLBACK_BEARER_TOKEN}",
        },
        :RESTServiceRequestTimeoutMilliseconds => 10000,
        :RESTServiceRetryAttempts => 1,
        :RESTServiceRetryWaitTimeMilliseconds => 5000
    }
    result
end

#run ⇒ Object 



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# File 'src/ruby/print-sus.rb', line 8

def run
    parser = Parser.new()
    entries = []

    parser.parse_schueler do |record|
        entries << {:email => record[:email],
                    :display_name => record[:display_name],
                    :display_first_name => record[:display_first_name],
                    :last_name => record[:last_name],
                    :display_last_name => record[:display_last_name],
                    :klasse => record[:klasse]
                   }
    end
    @@klassen_order = Main.class_variable_get(:@@klassen_order)
    entries.sort do |a, b|
        (a[:klasse] == b[:klasse]) ?
        ([a[:last_name], a[:display_first_name]].join('/') <=> [b[:last_name], b[:display_first_name]].join('/')) :
        ((@@klassen_order.index(a[:klasse]) || -1) <=> (@@klassen_order.index(b[:klasse]) || -1))
    end.each do |record|
        STDERR.puts "[#{record[:klasse]}] #{record[:display_name]} <#{record[:email]}>"
    end
end