http - Ruby - Send GET request with headers

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http - Ruby - Send GET request with headers

posted Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

http - Ruby - Send GET request with headers

I am trying to use ruby with a website's api. The instructions are to send a GET request with a header. These are the instructions from the website and the example php code they give. I am to calculate a HMAC hash and include it under an apisign header.

$apikey='xxx';
$apisecret='xxx';
$nonce=time();
$uri='https://bittrex.com/api/v1.1/market/getopenorders?apikey='.$apikey.'&nonce='.$nonce;
$sign=hash_hmac('sha512',$uri,$apisecret);
$ch = curl_init($uri);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('apisign:'.$sign));
$execResult = curl_exec($ch);
$obj = json_decode($execResult);

I am simply using an .rb file with ruby installed on windows from command prompt. I am using net/http in the ruby file. How can I send a GET request with a header and print the response?

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深蓝 · Answer 1 · 2021-10-23T17:55:56+0000

Using net/http as suggested by the question.

References:

Net::HTTP https://ruby-doc.org/stdlib-2.4.1/libdoc/net/http/rdoc/Net/HTTP.html
Net::HTTP::get https://ruby-doc.org/stdlib-2.4.1/libdoc/net/http/rdoc/Net/HTTP.html#method-c-get
Setting headers: https://ruby-doc.org/stdlib-2.4.1/libdoc/net/http/rdoc/Net/HTTP.html#class-Net::HTTP-label-Setting+Headers
Net::HTTP::Get https://ruby-doc.org/stdlib-2.4.1/libdoc/net/http/rdoc/Net/HTTP/Get.html
Net::HTTPGenericRequest https://ruby-doc.org/stdlib-2.4.1/libdoc/net/http/rdoc/Net/HTTPGenericRequest.html and Net::HTTPHeader https://ruby-doc.org/stdlib-2.4.1/libdoc/net/http/rdoc/Net/HTTPHeader.html (for methods that you can call on Net::HTTP::Get)

So, for example:

require 'net/http'    

uri = URI("http://www.ruby-lang.org")
req = Net::HTTP::Get.new(uri)
req['some_header'] = "some_val"

res = Net::HTTP.start(uri.hostname, uri.port) {|http|
  http.request(req)
}

puts res.body # <!DOCTYPE html> ... </html> => nil

Note: if your response has HTTP result state 301 (Moved permanently), see Ruby Net::HTTP - following 301 redirects

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http - Ruby - Send GET request with headers

http - Ruby - Send GET request with headers

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