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Code Issues Releases Wiki Activity

Correctly verify when the user is authenticated or not. Handle "quasi-absolute" form targets during authentication.

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unknown 2011-02-12 16:10:12 -05:00
parent 2d347826a7
commit 9d0201edae
1 changed files with 73 additions and 17 deletions
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90
src/com/fsck/k9/mail/store/WebDavStore.java
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@ -539,8 +539,7 @@ public class WebDavStore extends Store {
info.requiredAuthType = AUTH_TYPE_BASIC;
} else if ((info.statusCode >= 200 && info.statusCode < 300) || // Success
(info.statusCode >= 300 && info.statusCode < 400) || // Redirect
(info.statusCode == 440)) // Unauthorized
(info.statusCode == 440)) // Unauthorized
{
// We will handle all 3 situations the same. First we take an educated
// guess at where the authorization DLL is located. If this is this
@ -588,7 +587,7 @@ public class WebDavStore extends Store {
WebDavHttpClient httpClient = getHttpClient();
String loginUrl = "";
String loginUrl;
if (info != null) {
loginUrl = info.guessedAuthUrl;
} else if (mCachedLoginUrl != null && !mCachedLoginUrl.equals("")) {
@ -614,13 +613,9 @@ public class WebDavStore extends Store {
request.setEntity(formEntity);
HttpResponse response = httpClient.executeOverride(request, mContext);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode >= 200 && statusCode < 300 &&
mAuthCookies != null && !mAuthCookies.getCookies().isEmpty()) {
// Success, we're authenticated and cookies have been added to mAuthCookies for us.
} else {
// Check our response from the authentication URL above for a form action.
boolean authenticated = testAuthenticationResponse(response);
if (!authenticated) {
// Check the response from the authentication request above for a form action.
String formAction = findFormAction(WebDavHttpClient.getUngzippedContent(response.getEntity()));
if (formAction == null) {
// If there is no form action, try using our redirect URL from the initial connection.
@ -644,11 +639,16 @@ public class WebDavStore extends Store {
loginUrl = formAction;
} else {
// Append the form action to our current URL, minus the file name.
String urlPath = loginUri.getPath();
int lastPathPos = urlPath.lastIndexOf('/');
if (lastPathPos > -1) {
urlPath = urlPath.substring(0, lastPathPos + 1);
urlPath = urlPath.concat(formAction);
String urlPath;
if (formAction.startsWith("/")) {
urlPath = formAction;
} else {
urlPath = loginUri.getPath();
int lastPathPos = urlPath.lastIndexOf('/');
if (lastPathPos > -1) {
urlPath = urlPath.substring(0, lastPathPos + 1);
urlPath = urlPath.concat(formAction);
}
}
// Reconstruct the login URL based on the original login URL and the form action.
@ -666,7 +666,9 @@ public class WebDavStore extends Store {
request = new HttpGeneric(loginUrl);
request.setMethod("POST");
request.setEntity(formEntity);
httpClient.executeOverride(request, mContext);
response = httpClient.executeOverride(request, mContext);
authenticated = testAuthenticationResponse(response);
} catch (URISyntaxException e) {
Log.e(K9.LOG_TAG, "URISyntaxException caught " + e + "\nTrace: " + processException(e));
throw new MessagingException("URISyntaxException caught", e);
@ -676,9 +678,11 @@ public class WebDavStore extends Store {
}
}
if (mAuthCookies != null && !mAuthCookies.getCookies().isEmpty()) {
if (authenticated) {
mAuthentication = AUTH_TYPE_FORM_BASED;
mCachedLoginUrl = loginUrl;
} else {
throw new MessagingException("Invalid credentials provided for authentication.");
}
}
@ -716,6 +720,58 @@ public class WebDavStore extends Store {
return formAction;
}
private boolean testAuthenticationResponse(HttpResponse response)
throws MessagingException {
boolean authenticated = false;
int statusCode = response.getStatusLine().getStatusCode();
// Exchange 2007 will return a 302 status code no matter what.
if (((statusCode >= 200 && statusCode < 300) || statusCode == 302) &&
mAuthCookies != null && !mAuthCookies.getCookies().isEmpty()) {
// We may be authenticated, we need to send a test request to know for sure.
// Exchange 2007 adds the same cookies whether the username and password were valid or not.
ConnectionInfo info = doInitialConnection();
if (info.statusCode >= 200 && info.statusCode < 300) {
authenticated = true;
} else if (info.statusCode == 302) {
// If we are successfully authenticated, Exchange will try to redirect us to our OWA inbox.
// Otherwise, it will redirect us to a logon page.
// Our URL is in the form: https://hostname:port/Exchange/alias.
// The redirect is in the form: https://hostname:port/owa/alias.
// Do a simple replace and compare the resulting strings.
try {
String thisPath = new URI(mUrl).getPath();
String redirectPath = new URI(info.redirectUrl).getPath();
if (!thisPath.endsWith("/")) {
thisPath = thisPath.concat("/");
}
if (!redirectPath.endsWith("/")) {
redirectPath = redirectPath.concat("/");
}
if (redirectPath.equalsIgnoreCase(thisPath)) {
authenticated = true;
} else {
int found = thisPath.indexOf('/', 1);
if (found != -1) {
String replace = thisPath.substring(0, found + 1);
redirectPath = redirectPath.replace("/owa/", replace);
if (redirectPath.equalsIgnoreCase(thisPath)) {
authenticated = true;
}
}
}
} catch (URISyntaxException e) {
Log.e(K9.LOG_TAG, "URISyntaxException caught " + e + "\nTrace: " + processException(e));
throw new MessagingException("URISyntaxException caught", e);
}
}
}
return authenticated;
}
public CookieStore getAuthCookies() {
return mAuthCookies;