[4231] | 1 | package oauth.signpost.signature;
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| 2 |
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[6849] | 3 | import java.util.Iterator;
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| 4 |
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[4231] | 5 | import oauth.signpost.OAuth;
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| 6 | import oauth.signpost.http.HttpParameters;
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| 7 | import oauth.signpost.http.HttpRequest;
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| 8 |
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| 9 | /**
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| 10 | * Writes to the HTTP Authorization header field.
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| 11 | *
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| 12 | * @author Matthias Kaeppler
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| 13 | */
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| 14 | public class AuthorizationHeaderSigningStrategy implements SigningStrategy {
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| 15 |
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| 16 | private static final long serialVersionUID = 1L;
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| 17 |
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| 18 | public String writeSignature(String signature, HttpRequest request,
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| 19 | HttpParameters requestParameters) {
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| 20 | StringBuilder sb = new StringBuilder();
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| 21 |
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| 22 | sb.append("OAuth ");
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[6849] | 23 |
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| 24 | // add the realm parameter, if any
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[4231] | 25 | if (requestParameters.containsKey("realm")) {
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| 26 | sb.append(requestParameters.getAsHeaderElement("realm"));
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| 27 | sb.append(", ");
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| 28 | }
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[6849] | 29 |
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| 30 | // add all (x_)oauth parameters
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| 31 | HttpParameters oauthParams = requestParameters.getOAuthParameters();
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| 32 | oauthParams.put(OAuth.OAUTH_SIGNATURE, signature, true);
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| 33 |
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| 34 | Iterator<String> iter = oauthParams.keySet().iterator();
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| 35 | while (iter.hasNext()) {
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| 36 | String key = iter.next();
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| 37 | sb.append(oauthParams.getAsHeaderElement(key));
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| 38 | if (iter.hasNext()) {
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| 39 | sb.append(", ");
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| 40 | }
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[4231] | 41 | }
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| 42 |
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| 43 | String header = sb.toString();
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[6849] | 44 | OAuth.debugOut("Auth Header", header);
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[4231] | 45 | request.setHeader(OAuth.HTTP_AUTHORIZATION_HEADER, header);
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| 46 |
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| 47 | return header;
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| 48 | }
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| 49 |
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| 50 | }
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