我需要将所有请求(包括 HTTP 标头、正文等)记录到某个 url。我试过这段代码:
def index
global_request_logging
end
private
def global_request_logging
http_request_header_keys = request.headers.keys.select{|header_name| header_name.match("^HTTP.*")}
http_request_headers = request.headers.select{|header_name, header_value| http_request_header_keys.index(header_name)}
logger.info "Received #{request.method.inspect} to #{request.url.inspect} from #{request.remote_ip.inspect}. Processing with headers #{http_request_headers.inspect} and params #{params.inspect}"
begin
yield
ensure
logger.info "Responding with #{response.status.inspect} => #{response.body.inspect}"
end
end
但它说
request.headers
不包含名为keys
的方法。我还认为应该有一个更简单的方法或标准来做到这一点。最好不要使用宝石。
看起来
request.headers
返回一个哈希值,但实际上,它返回一个 Http::Headers
的实例,但没有定义 keys
方法。
但是
Http::Headers
会响应 env
,返回原始的 env 哈希值。因此,以下工作:
http_request_header_keys = request.headers.env.keys.select do |header_name|
header_name.match("^HTTP.*")
end
或者您可以迭代所有键值对并将它们复制到另一个哈希中:
http_envs = {}.tap do |envs|
request.headers.each do |key, value|
envs[key] = value if key.downcase.starts_with?('http')
end
end
logger.info <<-LOG.squish
Received #{request.method.inspect}
to #{request.url.inspect}
from #{request.remote_ip.inspect}.
Processing
with headers #{http_envs.inspect}
and params #{params.inspect}"
LOG
总结一下:
around_action :log_everything, only: :index
def index
# ...
end
private
def log_everything
log_headers
yield
ensure
log_response
end
def log_headers
http_envs = {}.tap do |envs|
request.headers.each do |key, value|
envs[key] = value if key.downcase.starts_with?('http')
end
end
logger.info "Received #{request.method.inspect} to #{request.url.inspect} from #{request.remote_ip.inspect}. Processing with headers #{http_envs.inspect} and params #{params.inspect}"
end
def log_response
logger.info "Responding with #{response.status.inspect} => #{response.body.inspect}"
end
我用它来获取完整的标题:
request.headers.env.select do |k, _|
k.downcase.start_with?('http') ||
k.in?(ActionDispatch::Http::Headers::CGI_VARIABLES)
end