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Code Issues Releases Wiki Activity

Implement javascript redirect in executeFollowRedirects

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git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@1992 3d1905a2-6b24-0410-a738-b14d5a86fcbd
This commit is contained in:
mguessan 2012-08-23 22:05:40 +00:00
parent d52555bc26
commit f1f4356259
1 changed files with 33 additions and 1 deletions
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34
src/java/davmail/http/DavGatewayHttpClientFacade.java
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@ -51,6 +51,8 @@ import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Create HttpClient instance according to DavGateway Settings
@ -290,7 +292,33 @@ public final class DavGatewayHttpClientFacade {
return status;
}
protected static String getLocationValue(HttpMethod method) throws URIException {
/**
* Checks if there is a Javascript redirect inside the page,
* and returns it.
*
* A Javascript redirect is usually found on OTP pre-auth page,
* when the pre-auth form is in a distinct page from the regular Exchange login one.
*
* @param method http method
* @return the redirect URL if found, or null if no Javascript redirect has been found
*/
private static String getJavascriptRedirectUrl(HttpMethod method) throws IOException {
String responseBody = method.getResponseBodyAsString();
String jsRedirectionUrl = null;
if (responseBody.indexOf("javascript:go_url()") > 0) {
// Create a pattern to match a javascript redirect url
Pattern p = Pattern.compile("go_url\\(\\)[^{]+\\{[^l]+location.replace\\(\"(/[^\"]+)\"\\)");
Matcher m = p.matcher(responseBody);
if (m.find()) {
// Javascript redirect found!
jsRedirectionUrl = m.group(1);
}
}
return jsRedirectionUrl;
}
private static String getLocationValue(HttpMethod method) throws URIException {
String locationValue = null;
Header location = method.getResponseHeader("Location");
if (location != null && isRedirect(method.getStatusCode())) {
@ -323,6 +351,10 @@ public final class DavGatewayHttpClientFacade {
checkNTLM(httpClient, currentMethod);
String locationValue = getLocationValue(currentMethod);
// check javascript redirect (multiple authentication pages)
if (locationValue == null) {
locationValue = getJavascriptRedirectUrl(currentMethod);
}
int redirectCount = 0;
while (redirectCount++ < 10