ddBkk0rF

1package hello;
2
3import org.springframework.boot.SpringApplication;
4import org.springframework.boot.autoconfigure.SpringBootApplication;
5import org.springframework.http.HttpHeaders;
6import javax.crypto.Mac;
7import javax.crypto.spec.SecretKeySpec;
8import java.util.*;
9
10@SpringBootApplication
11public class Application {
12
13    public static void main(String[] args) {
14        SpringApplication.run(Application.class, args);
15
16        String urlO = "https://api.twitter.com/1.1/direct_messages/events/new.json";
17        createOAuthHeader("POST", urlO, "texttt");
18    }
19
20    public static String createTwitterBody(String text, String recipients) {
21        return String.format("{\"event\": {\"type\": \"message_create\", \"message_create\": {\"target\": {\"recipient_id\": \"%s\"}, \"message_data\": {\"text\": \"%s\"}}}}", recipients, text);
22    }
23
24    public static void printMap(Map<String, String> map) {
25        //System.out.println(">>>>>>>>>>>>>>>MAP_BEGIN");
26        for (Map.Entry<String, String> entry : map.entrySet()) {
27            //System.out.println(entry.getKey() + " => " + entry.getValue());
28        }
29        //System.out.println(">>>>>>>>>>>>>>>MAP_END");
30    }
31
32    public static String createParameterString (String oauth_consumer_key, String oauth_token, String nonce, String epochTime, String text) {
33        Map<String, String> map = new TreeMap<>(new Comparator<String>() {
34            public int compare(String o1, String o2) {
35                return o1.toLowerCase().compareTo(o2.toLowerCase());
36            }
37        });
38
39        map.put(HTTPClient.percentEncode("oauth_consumer_key"), HTTPClient.percentEncode(oauth_consumer_key));
40        map.put(HTTPClient.percentEncode("oauth_nonce"), HTTPClient.percentEncode(nonce));
41        map.put(HTTPClient.percentEncode("oauth_signature_method"), HTTPClient.percentEncode("HMAC-SHA1"));
42        map.put(HTTPClient.percentEncode("oauth_timestamp"), HTTPClient.percentEncode(epochTime));
43        map.put(HTTPClient.percentEncode("oauth_token"), HTTPClient.percentEncode(oauth_token));
44        map.put(HTTPClient.percentEncode("oauth_version"), HTTPClient.percentEncode("1.0"));
45
46        //debug:
47        printMap(map);
48
49        StringBuilder sb = new StringBuilder("");
50        for (Map.Entry<String, String> entry : map.entrySet()) {
51            String a;
52            if(sb.toString().equals("")) {
53                a = entry.getKey() + "=" + entry.getValue();
54            }
55            else {
56                a = "&" + entry.getKey() + "=" + entry.getValue();
57            }
58            sb.append(a);
59        }
60
61        //debug
62        //System.out.println(">>>>>parameterString: " + sb.toString());
63
64        return sb.toString();
65    }
66
67    public static String createOAuthBaseString(String httpMethod, String url, String parameterString) {
68        StringBuilder sb = new StringBuilder(httpMethod.toUpperCase());
69        sb.append("&");
70        sb.append(HTTPClient.percentEncode(url));
71        sb.append("&");
72        sb.append(HTTPClient.percentEncode(parameterString));
73
74        //debug
75        //System.out.println(">>>>>baseString: " + sb.toString());
76
77        return sb.toString();
78    }
79
80    public static String createOAuthSigningKey(String oauth_consumer_secret, String oauth_token_secret) {
81        StringBuilder sb = new StringBuilder(HTTPClient.percentEncode(oauth_consumer_secret));
82        sb.append("&");
83        sb.append(HTTPClient.percentEncode(HTTPClient.percentEncode(oauth_token_secret)));
84
85        //debug
86        //System.out.println(">>>>>signingKey: " + sb.toString());
87
88        return sb.toString();
89    }
90
91    public static String createSignatureBase64(String baseString, String signingKey) {
92
93        byte[] signature = null;
94        try {
95            Mac mac = Mac.getInstance("HmacSHA1");
96            SecretKeySpec spec = new SecretKeySpec(signingKey.getBytes(), "HmacSHA1");
97            mac.init(spec);
98            signature = mac.doFinal(baseString.getBytes());
99        }
100        catch (Exception e) {
101            e.printStackTrace();
102            return "error";
103        }
104
105        //System.out.println(">>>>>>>>>signature: " + HTTPClient.bytesToString(signature));
106
107        String signatureBase64 = HTTPClient.bytesBase64Encode(signature);
108
109        System.out.println(">>>>>>>>>signature_Base64: " + signatureBase64);
110
111        return signatureBase64;
112    }
113
114    private static String generateNonce() {
115        return HTTPClient.generateRandomLettersString(42);
116    }
117
118    //https://developer.twitter.com/en/docs/basics/authentication/guides/creating-a-signature.html
119    public static HttpHeaders createOAuthHeader(String httpMethod, String url, String text) {
120
121        String oauth_consumer_keyA = "xvz1evFS4wEEPTGEFPHBog";
122        String oauth_tokenA = "370773112-GmHxMAgYyLbNEtIKZeRNFsMKPR9EyMZeS9weJAEb";
123
124        String epochO = HTTPClient.getCurrentEpochTimeAsString();
125        String epochA = "1318622958";
126
127        String nonce = generateNonce();
128        String nonceA = "kYjzVBB8Y0ZFabxSWbWovY3uYSQ2pTgmZeNu2VS4cg";
129        String parameterString = createParameterString(oauth_consumer_keyA, oauth_tokenA, nonceA, epochA, text);
130
131        //String baseString = createOAuthBaseString(httpMethod, url, parameterString);
132        String baseString = "POST&https%3A%2F%2Fapi.twitter.com%2F1.1%2Fstatuses%2Fupdate.json&include_entities%3Dtrue%26oauth_consumer_key%3Dxvz1evFS4wEEPTGEFPHBog%26oauth_nonce%3DkYjzVBB8Y0ZFabxSWbWovY3uYSQ2pTgmZeNu2VS4cg%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1318622958%26oauth_token%3D370773112-GmHxMAgYyLbNEtIKZeRNFsMKPR9EyMZeS9weJAEb%26oauth_version%3D1.0%26status%3DHello%2520Ladies%2520%252B%2520Gentlemen%252C%2520a%2520signed%2520OAuth%2520request%2521";
133
134        String oauth_consumer_secretA = "kAcSOqF21Fu85e7zjz7ZN2U4ZRhfV3WpwPAoE3Z7kBw";
135        String oauth_token_secretA = "LswwdoUaIvS8ltyTt5jkRh4J50vUPVVHtR2YPi5kE";
136
137        String signingKey = createOAuthSigningKey(oauth_consumer_secretA, oauth_token_secretA);
138
139        //String signature = generateSignature(baseString, oauth_consumer_secret, oauth_token_secret);
140        String signatureBase64 = createSignatureBase64(baseString, signingKey);
141
142        //model: OAuth oauth_consumer_key="YOUR_CONSUMER_KEY", oauth_nonce="AUTO_GENERATED_NONCE", oauth_signature="AUTO_GENERATED_SIGNATURE", oauth_signature_method="HMAC-SHA1", oauth_timestamp="AUTO_GENERATED_TIMESTAMP", oauth_token="USERS_ACCESS_TOKEN", oauth_version="1.0"
143        String headerText = "OAuth oauth_consumer_key=\"" + oauth_consumer_keyA + "\", oauth_nonce=\"" + nonceA + "\", oauth_signature=\"" + signatureBase64 + "\", oauth_signature_method=\"HMAC-SHA1\", oauth_timestamp=\"" + epochA + "\", oauth_token=\"" + oauth_tokenA + "\", oauth_version=\"1.0\"";
144
145        //System.out.println(">>>>>>>>>header: " + headerText);
146
147        HttpHeaders httpHeaders = new HttpHeaders();
148        httpHeaders.add("Authorization", headerText);
149
150        return httpHeaders;
151    }
152
153
154}