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# File 'lib/aws/pa_api.rb', line 29
def get_items(asin, locale)
asin = isbn13to10(asin) if asin.length == 13
payload = {
"PartnerTag" => @partner_tag,
"PartnerType" => "Associates",
"Marketplace" => MARKETS[locale].host.sub('webservices', 'www'),
"ItemIds" => [asin],
"Resources" => [
"Images.Primary.Small",
"Images.Primary.Medium",
"Images.Primary.Large",
"ItemInfo.ByLineInfo",
"ItemInfo.Title",
"Offers.Listings.Price"
]
}.to_json
time_stamp = Time.now.utc.strftime("%Y%m%dT%H%M%SZ")
signature = AWS::SigV4.signature(@secret_key, time_stamp, MARKETS[locale].region, MARKETS[locale].host, payload)
authorization = "AWS4-HMAC-SHA256 Credential=#{@access_key}/#{time_stamp[0,8]}/#{MARKETS[locale].region}/ProductAdvertisingAPI/aws4_request, SignedHeaders=content-encoding;host;x-amz-content-sha256;x-amz-date;x-amz-target, Signature=#{signature}"
= {
"X-Amz-Target" => "com.amazon.paapi5.v1.ProductAdvertisingAPIv1.GetItems",
"Content-Encoding" => "amz-1.0",
"Host" => MARKETS[locale].host,
"X-Amz-Date" => time_stamp,
"X-Amz-Content-Sha256" => OpenSSL::Digest::SHA256.hexdigest(payload),
"Authorization" => authorization,
"Content-Type" => "application/json; charset=utf-8"
}
uri = URI("https://#{MARKETS[locale].host}/paapi5/getitems")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
response = http.post(uri.path, payload, )
response.value return response.body
end
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