OAuth1.0でTwitterAPIを利用しようとしていますが、どうも認証エラーがでます。
swift
1 //get trend 2 public class trend_get{ 3 public var trends=[Trend]() 4 5 let time:Int = Int(NSDate().timeIntervalSince1970) 6 7 public func loadData(reset: Bool=false){ 8 9 var api_key = "APIキー"; // APIキー 10 var api_secret = "APIシークレット"; // APIシークレット 11 12 var id="1110809" //ID 13 14 let request_url="https://api.twitter.com/1.1/trends/place.json?id=1110809" 15 16 //署名用キー作成 17 let api_encode=urlEncode(string: api_key) 18 let api_secret_encode=urlEncode(string: api_secret) 19 20 let key=api_encode + "&" + api_secret_encode 21 let data=urlEncode(string: "id=" + id) //データ部分 22 let method=urlEncode(string: "POST") 23 let request_url_encode=urlEncode(string: request_url) 24 25 let signature_data=method+"&"+request_url_encode+"&"+data 26 27 let signature=signature_data.hmac(algorithm: .SHA1, key: key) 28 29 30 let datas: Data = signature.data(using: .utf8)! 31 // オプション無しだと明示したい場合(rawValueよりこっちを推奨) 32 let signatures=datas.base64EncodedString(options: []) 33 34 35 36 let params=["screen_name":"takapon_jp"] 37 /*API開始通知 */ 38 NotificationCenter.default.post(name: .TrendLoadStart, object: nil) 39 40 if let url = URL(string: request_url) { 41 var urlRequest = URLRequest(url: url) 42 urlRequest.httpMethod = HTTPMethod.post.rawValue 43 44 var headers: HTTPHeaders 45 if let existingHeaders = urlRequest.allHTTPHeaderFields { 46 headers = existingHeaders 47 } else { 48 headers = HTTPHeaders() 49 } 50 51 52 headers["Authorization"]="OAuth" 53 headers["oauth_consumer_key"]=api_key 54 headers["oauth_nonce"]=time.description 55 headers["oauth_signature_method"]="HMAC-SHA1" 56 headers["oauth_timestamp"]=time.description 57 headers["oauth_token"]=api_secret 58 headers["oauth_version"]="1.0" 59 headers["oauth_signature"]=signatures 60 61 62 63 print(headers) 64 urlRequest.allHTTPHeaderFields = headers 65 let request = Alamofire.request(urlRequest) 66 .responseJSON { response in 67 debugPrint(response) 68 } 69 debugPrint(request) 70 } 71 72 73 } 74} 75 76func urlEncode(string: String) -> String { 77 return string.addingPercentEncoding(withAllowedCharacters: NSCharacterSet.urlQueryAllowed)! 78}
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