30 lines
1.1 KiB
Ruby
30 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
# This log formatter limits the number of characters in each log message to prevent malicious requests from filling up the disk
|
|
# in a short amount of time. The number of characters is determined by the `log_line_max_chars` global setting which can be
|
|
# configured via the `DISCOURSE_MAX_LOG_LINES` environment variable or via the `discourse_defaults.conf` file.
|
|
class TruncateLogsFormatter < ::ActiveSupport::Logger::SimpleFormatter
|
|
include ::ActiveSupport::TaggedLogging::Formatter
|
|
|
|
def initialize(log_line_max_chars:)
|
|
@log_line_max_chars = log_line_max_chars
|
|
end
|
|
|
|
def call(*args)
|
|
# Lograge formatters are only called with a single argument instead of the usual 4 arguments of `severity`, `datetime`, `progname` and `message`.
|
|
message =
|
|
if args.length == 1
|
|
args[0]
|
|
else
|
|
args[3]
|
|
end
|
|
|
|
if message.length > @log_line_max_chars
|
|
newlines = message.length - message.chomp.length
|
|
"#{message[0, @log_line_max_chars]}...(truncated)#{"\n" * newlines}"
|
|
else
|
|
message
|
|
end
|
|
end
|
|
end
|