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package ca.uhn.hl7v2.hoh.encoder; |
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import static ca.uhn.hl7v2.hoh.util.StringUtils.*; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import ca.uhn.hl7v2.hoh.api.DecodeException; |
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import ca.uhn.hl7v2.hoh.api.IAuthorizationServerCallback; |
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import ca.uhn.hl7v2.hoh.util.StringUtils; |
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12 | 330 | public class Hl7OverHttpRequestDecoder extends AbstractHl7OverHttpDecoder { |
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private IAuthorizationServerCallback myAuthorizationCallback; |
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private String myActionLine; |
16 | 5 | private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(Hl7OverHttpRequestDecoder.class); |
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protected void authorize() throws AuthorizationFailureException { |
19 | 270 | if (myAuthorizationCallback != null) { |
20 | 155 | String username = getUsername(); |
21 | 155 | if (!myAuthorizationCallback.authorize(getPath(), username, getPassword())) { |
22 | 0 | if (StringUtils.isBlank(username)) { |
23 | 0 | throw new AuthorizationFailureException("Authorization failed: No username provided"); |
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} else { |
25 | 0 | throw new AuthorizationFailureException("Authorization failed for user: " + getUsername()); |
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} |
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} |
28 | 155 | } else { |
29 | 115 | if (isNotBlank(getUsername()) || isNotBlank(getPassword())) { |
30 | 95 | ourLog.warn("Request contains username and/or password, but no authorization callback has been set so credentials can not be validated"); |
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} |
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} |
33 | 270 | } |
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@Override |
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protected String readActionLineAndDecode(InputStream theInputStream) throws DecodeException, IOException, NoMessageReceivedException { |
37 | 280 | ourLog.trace("Entering readActionLineAndDecode(InputStream)"); |
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39 | 280 | if (myActionLine == null) { |
40 | 280 | String firstLine = readFirstLine(theInputStream); |
41 | 220 | if (firstLine == null || isBlank(firstLine)) { |
42 | 0 | throw new NoMessageReceivedException(); |
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} |
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45 | 220 | if (!firstLine.startsWith("POST ")) { |
46 | 0 | throw new DecodeException("HTTP request line message is not valid. Only POST action is supported. Request line was: " + firstLine); |
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} |
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49 | 220 | firstLine = firstLine.substring(5); |
50 | 220 | int nextSpace = firstLine.indexOf(' '); |
51 | 220 | if (nextSpace == -1) { |
52 | 0 | throw new DecodeException("HTTP request line message is not valid. Not HTTP version found. Request line was: " + firstLine); |
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} |
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55 | 220 | setPath(firstLine.substring(0, nextSpace)); |
56 | 220 | if (isBlank(getPath())) { |
57 | 0 | throw new DecodeException("HTTP request line message is not valid. No request URI found. Request line was: " + firstLine); |
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} |
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60 | 220 | String protocolVersion = firstLine.substring(nextSpace + 1); |
61 | 220 | if (!"HTTP/1.1".equals(protocolVersion)) { |
62 | 0 | throw new DecodeException("HTTP request line message is not valid. HTTP version not supported. Request line was: " + firstLine); |
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} |
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65 | 220 | myActionLine = firstLine; |
66 | 220 | ourLog.trace("Action line is {}", myActionLine); |
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68 | 220 | } else { |
69 | 0 | ourLog.trace("Already have an action line"); |
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} |
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72 | 220 | return myActionLine; |
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} |
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public void setAuthorizationCallback(IAuthorizationServerCallback theAuthorizationCallback) { |
80 | 270 | myAuthorizationCallback = theAuthorizationCallback; |
81 | 270 | } |
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} |